1 2006-11-07 Richard Sandiford <richard@codesourcery.com>
3 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5 2006-11-07 Josh Conner <jconner@apple.com>
7 * doc/invoke.texi (fstrict-aliasing): Move implementation
9 * doc/tree-ssa.texi (Alias analysis): ...here.
11 2006-11-07 Richard Guenther <rguenther@suse.de>
13 PR tree-optimization/29610
14 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
15 of tree_purge_dead_eh_edges as it may free dominators.
17 * g++.dg/other/pr29610.C: New testcase.
19 2006-11-07 David Ung <davidu@mips.com>
21 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
22 costs when optimizing for size.
23 (override_options): Use mips_rtx_cost_optimize_size table for cost
26 2006-11-07 Jie Zhang <jie.zhang@analog.com>
28 * gcc.c (process_command): Treat -b as normal switch if its argument
31 2006-11-07 David Ung <davidu@mips.com>
33 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
36 2006-11-06 Eric Christopher <echristo@apple.com>
38 * config.gcc: Add x86_64-darwin host support.
40 * config/i386/darwin64.h: New file.
41 * config/i386/t-darwin64: Ditto.
43 2006-11-06 Janis Johnson <janis187@us.ibm.com>
45 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
46 and output-exists-not.
48 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
51 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
52 checking for overflow.
54 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
56 * configure.ac: Fixed typo in case statement: :: changed to ;;
58 2006-11-06 Bob Wilson <bob.wilson@acm.org>
60 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
61 count_leading_zeros, and count_trailing_zeros.
62 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
63 (TARGET_FOLD_BUILTIN): Define.
64 (TARGET_EXPAND_BUILTIN): Define.
65 (xtensa_init_builtins): New.
66 (xtensa_fold_builtin): New.
67 (xtensa_expand_builtin): New.
68 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
69 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
70 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
71 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
72 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
73 (any_extend): New code macro.
74 (u, su): New code attributes.
75 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
76 (nsau): Remove; replaced by clzsi2.
78 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
79 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
80 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
81 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
82 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
84 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
86 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
88 * config/arm/t-strongarm-elf: Likewise.
89 * config/arm/t-pe: Likewise.
90 * config/arm/t-arm-elf: Likewise.
91 * config/arm/t-xscale-elf: Likewise.
92 * config/arm/t-arm-coff: Likewise.
93 * config/arm/t-xscale-coff: Likewise.
94 * config/arm/t-wince-pe: Likewise.
96 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
98 * config/sh/lib1funcs-4-300.asm: Guard entire file with
101 2006-11-05 Jakub Jelinek <jakub@redhat.com>
104 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
107 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
110 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
111 as a valid 80387 constant.
112 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
113 * config/i386/i386.md (unnamed splitter): Split the load of
114 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
117 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
119 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
120 from the soft-frame, argument and virtual registers.
122 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
124 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
125 patterns for standard 80387 constants.
127 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
128 Steven Bosscher <steven@gcc.gnu.org>
130 * fwprop.c: New file.
131 * Makefile.in: Add fwprop.o.
132 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
133 * passes.c (init_optimization_passes): Schedule forward propagation.
134 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
136 * timevar.def (TV_FWPROP): New.
137 * common.opt (-fforward-propagate): New.
138 * opts.c (decode_options): Enable forward propagation at -O2.
139 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
140 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
141 canon_for_address, table_size): Remove.
142 (new_basic_block, insert, remove_from_table): Remove references to
144 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
145 simplification loop more straightforward by not calling fold_rtx
147 (equiv_constant): Move here a small part of fold_rtx_subreg,
148 do not call fold_rtx. Call avoid_constant_pool_reference
150 * recog.h (canonicalize_change_group): New.
152 * doc/invoke.texi (Optimization Options): Document fwprop.
153 * doc/passes.texi (RTL passes): Document fwprop.
155 2006-11-03 Geoffrey Keating <geoffk@apple.com>
157 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
158 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
159 (grokdeclarator): Likewise.
161 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
163 * tree-dump.c (dump_enable_all): Rename local variable
164 ir_type to avoid name conflicts.
165 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
166 instead of using ir_type().
167 * profile.c (tree_register_profile_hooks): Likewise.
168 * value-prof.c (tree_register_value_prof_hooks): Likewise.
169 * basic-block.h (struct edge_def): Likewise.
170 * config/arm/arm.c (legitimize_pic_address): Likewise.
171 * coretypes.h (ir_type): New enum of all intermediate languages
173 * cfghooks.c (ir_type): Rename to...
174 (current_ir_type): ...this. Distinguish between cfgrtl and
175 cfglayout mode when the current IR is RTL. Return enum ir_type.
176 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
178 2006-11-03 Paul Brook <paul@codesourcery.com>
180 * config/arm/arm.c (arm_file_start): New function.
181 (TARGET_ASM_FILE_START): Define.
182 (arm_default_cpu): New variable.
183 (arm_override_options): Set arm_default_cpu.
185 2006-11-03 David Ung <davidu@mips.com>
187 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
188 PROCESSOR_24KC and PROCESSOR_24KF.
189 * config/mips/mips.c (mips_cpu_info_table): Add processor names
190 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
191 (mips_rtx_cost_data): Add costs for the 24kc.
192 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
193 * config/mips/24k.md: Remove references to 24k and replace with
194 uses of 24kc/24kf in the appropriate reservations.
195 * doc/invoke.texi (MIPS Options): Updated.
197 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
199 * config/sh/crt1.asm: Fix #ifdef indent.
201 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
202 Merged from STMicroelectronics sources:
203 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
204 * config/sh/crt1.asm (vbr_600): Add missing #if.
205 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
206 * sh.opt (mfused-madd): New option.
207 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
208 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
209 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
210 Remove pointless handler at VBR+0.
211 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
212 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
213 fr7. Make sure the timer handler is called with the correct FPU
214 precision setting, according to the ABI.
215 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
216 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
217 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
218 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
219 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
220 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
221 zero as second operand.
222 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
223 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
224 Fixed some bugs related to negative values, in particular -0
225 and overflow at -0x80000000.
226 * config/sh/divcost-analysis: Added sh4-300 figures.
227 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
228 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
229 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
230 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
231 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
232 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
234 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
236 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
237 SH4-300 scheduling description & fixes to SH4-[12]00 description:
238 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
239 mac_mem, mem_mac, dfp_mul, fp_cmp.
240 (insn_class, dfp_comp, any_fp_comp): Update.
241 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
242 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
243 (muldf3_i): Likewise.
244 (movsi_i): Split rI08 alternative into two separate alternatives.
246 (movsi_ie, movsi_i_lowpart): Likewise.
247 (movqi_i): Split ri alternative into two separate alternatives.
249 * sh1.md (sh1_load_store, sh1_fp): Update.
250 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
251 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
252 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
253 (sh4a_fp_double_arith): Likewise.
254 * sh4-300.md: New file.
255 * sh.c (sh_handle_option): Handle m4-300* options.
256 (sh_adjust_cost): Fix latency of auto-increments.
257 Handle SH4-300 differently than other SH4s. Check for new insn types.
258 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
259 been set by an option.
260 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
261 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
262 (mbranch-cost=): Likewise.
263 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
265 * sh.md (mulsf3): Remove special expansion code.
266 (mulsf3_ie): Now a define_insn_and_split.
267 (macsf3): Allow for TARGET_SH4.
269 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
270 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
271 (expand_cbranchdi4): Likewise.
272 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
273 CONST_DOUBLE if the outer code is COMPARE.
274 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
275 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
276 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
277 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
278 Remove redundant fp_{zero,one}_operand checks.
279 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
280 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
281 (expand_cbranchdi4): Likewise.
282 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
283 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
285 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
287 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
290 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
292 * doc/invoke.texi: Fix mfp-trap-mode typo.
294 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
296 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
297 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
298 file_end_indicate_exec_stack.
299 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
301 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
302 for a non-executable stack.
303 * crti.asm: Likewise.
304 * crtn.asm: Likewise.
305 * libunwind.S: Likewise.
307 2006-11-02 Ben Elliston <bje@au.ibm.com>
309 * tree-ssa.c (warn_uninit): Use expand_location variables for
310 locus and declaration locus.
312 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
315 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
316 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
317 cmp{eq,gt,gtu}{si,di}_media.
318 (*cmpne0si_media): Remove.
319 (*movsicc_umin): Adjust gen_cmp*_media call.
320 (unordered): Change the mode of unordered and operands[1] to
322 (seq): Adjust gen_cmp*_media calls. Make the mode of
323 a temporary result of compare SImode if needed. If the mode
324 of operands[0] is DImode, extend the temporary result to DImode.
325 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
326 (sunorderd): Change the mode of match_operand and unorderd to
328 (cmpeq{sf,df}_media): Remove.
329 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
330 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
331 and compare operation to SImode.
333 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
335 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
337 (sparc64-sun-solaris2*): Likewise.
339 2006-11-02 Paul Brook <paul@codesourcery.com>
341 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
342 from priority argument. Use different section for non-default
344 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
346 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
349 * except.c (switch_to_exception_section): Do not cache the section
350 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
351 and flag_function_sections is set.
353 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
356 * builtins.c (do_mpfr_sincos): New.
357 (fold_builtin_1): Use it to fold builtin sincos.
359 2006-11-01 Roger Sayle <roger@eyesopen.com>
361 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
362 it into -D_REENTRANT.
364 2006-11-01 Roger Sayle <roger@eyesopen.com>
366 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
367 whether the assembler supports taking the difference of symbols in
368 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
369 * configure: Regenerate.
370 * config.in: Regenerate.
371 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
372 the assembler doesn't support taking the difference of symbols in
373 different sections, i.e. we're using the native solaris assembler.
375 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
376 Peter Bergner <bergner@vnet.ibm.com>
378 * doc/invoke.texi: Add cpu_type power6x
379 (RS/6000 and PowerPC Options): Add -mmfpgpr.
380 * config.gcc: Add cpu_type power6x.
381 * configure.ac: Add test for mf{t,f}gpr instructions.
382 (HAVE_AS_MFPGPR): New.
383 * config.in: Regenerate.
384 * configure: Regenerate.
385 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
386 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
387 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
388 and mftgpr attributes.
389 (define_attr "cpu"): Add power6.
390 Change instruction sequences to use new attributes.
391 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
392 (fix_truncdfsi2_mfpgpr): New.
393 (floatsidf_ppc64_mfpgpr): New.
394 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
395 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
396 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
397 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
398 (fix_truncdfsi2): Use gpc_reg_operand constraint.
399 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
400 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
401 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
402 cntlz,exts and var_delayed_compare.
403 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
404 _ARCH_PWR6X, if features enabled.
405 * config/rs6000/rs6000.opt (mmfpgpr): New.
406 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
407 (cached_can_issue_more): New variable.
408 (processor_costs): Add power6_cost.
409 (rs6000_sched_init): New function.
410 (is_dispatch_slot_restricted): Deleted.
411 (set_to_load_agen): New function.
412 (is_load_insn,is_store_insn): New functions.
413 (adjacent_mem_locations): New function.
414 (insn_must_be_first_in_group): New function.
415 (insn_must_be_last_in_group): New function.
416 (rs6000_sched_reorder): New function.
417 (rs6000_sched_reorder2): New function.
418 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
419 TARGET_SCHED_REORDER2): Define.
420 (processor_target_table): Use PROCESSOR_POWER6 for power6.
421 Add power6x. Add MASK_MFPGPR for power6x.
422 (POWERPC_MASKS): Add MASK_MFPGPR.
423 (rs6000_override_options): Set rs6000_always_hint to false
424 for power6. Set rs6000_align_branch_targets. Replace
425 rs6000_sched_groups check with rs6000_align_branch_targets.
426 Use PROCESSOR_POWER6.
427 (last_scheduled_insn): New variable.
428 (load_store_pendulum): New variable.
429 (rs6000_variable_issue): Set last_scheduled_insn and
430 cached_can_issue_more.
431 (rs6000_adjust_cost): Add power6 cost adjustments.
432 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
433 with insn_must_be_first_in_group. Add power6 priority adjustments.
434 (rs6000_issue_rate): Add CPU_POWER6.
435 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
436 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
437 (TARGET_MFPGPR): New.
438 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
439 (ASM_CPU_SPEC): Add power6x.
440 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
442 * config/rs6000/power6.md: New file.
444 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
446 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
447 HOST_WIDE_INT_PRINT to print high and low parts. Use
448 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
449 printing a hexadecimal number prefix it with 0x.
451 2006-11-01 Chris Johns <chris@contemporary.net.au>
454 * Makefile.in (install-driver): Use exeext when installing
455 $target-gcc-$version.
457 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
459 * c-common.c (flag_cpp0x): New.
460 * c-common.h (flag_cpp0x): New.
461 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
462 supported, define __GXX_EXPERIMENTAL_CPP0X__.
463 * c-opts.c (set_std_cxx0x): New.
464 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
465 * c.opt (std=c++0x): Document.
466 (std=gnu++0x): Ditto.
467 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
468 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
470 2006-11-01 Richard Guenther <rguenther@suse.de>
472 * config/i386/i386.c (ix86_expand_rint): Fix issues with
474 (ix86_expand_floorceildf_32): Likewise.
475 (ix86_expand_floorceil): Likewise.
476 (ix86_expand_trunc): Likewise.
478 2006-10-31 Andrew Pinski <pinskia@gmail.com>
480 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
483 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
485 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
487 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
489 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
491 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
492 * configure.ac (use_cxa_atexit): As a special case, don't test
493 for libc definition of __cxa_atexit on mingw32
494 * configure: Regenerate.
495 * config.gcc (i[34567]86-pc-mingw32): Default to
496 enable__cxa_atexit=yes.
498 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
500 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
502 2006-10-31 Geoffrey Keating <geoffk@apple.com>
505 * c-decl.c (start_struct): Don't create self-containing
507 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
509 * config/rs6000/rs6000-protos.h
510 (darwin_rs6000_special_round_type_align): New.
511 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
512 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
514 2006-10-31 Geoffrey Keating <geoffk@apple.com>
516 * toplev.c (compile_file): Call final_write_globals
517 even if there have been errors.
519 2006-10-31 Eric Christopher <echristo@apple.com>
520 Falk Hueffner <falk@debian.org>
522 * doc/extend.texi (__builtin_bswap32): Document.
523 (__builtin_bswap64): Ditto.
524 * doc/libgcc.texi (bswapsi2): Document.
526 * doc/rtl.texi (bswap): Document.
527 * optabs.c (expand_unop): Don't widen a bswap.
528 (init_optabs): Init bswap. Set libfuncs explicitly
529 for bswapsi2 and bswapdi2.
530 * optabs.h (OTI_bswap): New.
531 (bswap_optab): Ditto.
532 * genopinit.c (optabs): Handle bswap_optab.
533 * tree.h (tree_index): Add TI_UINT32_TYPE and
535 (uint32_type_node): New.
536 (uint64_type_node): Ditto.
537 * tree.c (build_common_tree_nodes_2): Initialize
538 uint32_type_node and uint64_type_node.
539 * builtins.c (expand_builtin_bswap): New.
540 (expand_builtin): Call.
541 (fold_builtin_bswap): New.
542 (fold_builtin_1): Call.
543 * fold-const.c (tree_expr_nonnegative_p): Return true
545 * builtin-types.def (BT_UINT32): New.
547 (BT_FN_UINT32_UINT32): Ditto.
548 (BT_FN_UINT64_UINT64): Ditto.
549 * builtins.def (BUILT_IN_BSWAP32): New.
550 (BUILT_IN_BSWAP64): Ditto.
551 * rtl.def (BSWAP): New.
552 * genattrtab.c (check_attr_value): New.
553 * libgcc2.c (__bswapSI2): New.
555 * libgcc2.h (__bswapSI2): Declare.
557 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
558 * simplify-rtx.c (simplify_const_unary_operation): Return
560 * libgcc-std.ver (__bwapsi2): Add.
562 * reload1.c (eliminate_regs_1): Add bswap.
563 (elimination_effects): Ditto.
564 * config/i386/i386.h (x86_bswap): New.
566 * config/i386/i386.c (x86_bswap): Set.
568 2006-10-31 Geoffrey Keating <geoffk@apple.com>
570 * coverage.c (coverage_checksum_string): Update comment.
571 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
572 of get_file_function_name.
573 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
574 of get_file_function_name_long.
575 * tree.c (get_file_function_name): Rename from
576 get_file_function_name_long; improve comment; handle 'I' and 'D'
577 specially when the target has ctor/dtor support; remove special
579 (get_file_function_name): Remove.
580 * tree.h (get_file_function_name): Rename from
581 get_file_function_name_long.
582 (get_file_function_name): Remove prototype.
584 2006-10-31 Geoffrey Keating <geoffk@apple.com>
586 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
587 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
589 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
590 Call dsymutil when compiling and linking one or more source files
593 2006-10-31 Geoffrey Keating <geoffk@apple.com>
596 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
598 2006-10-31 Geoffrey Keating <geoffk@apple.com>
600 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
601 inline static functions in c99 mode.
604 * doc/extend.texi (Inline): Update.
605 * c-tree.h (struct language_function): Remove field 'extern_inline'.
606 * c-decl.c (current_extern_inline): Delete.
607 (pop_scope): Adjust test for an undefined nested function.
608 Add warning about undeclared inline function.
609 (diagnose_mismatched_decls): Update comments. Disallow overriding
610 of inline functions in a translation unit in C99. Allow inline
611 declarations in C99 at any time.
612 (merge_decls): Boolize variables. Handle C99 'extern inline'
614 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
615 C99 inline semantics.
616 (start_function): Don't clear current_extern_inline. Don't set
618 (c_push_function_context): Don't push current_extern_inline.
619 (c_pop_function_context): Don't restore current_extern_inline.
622 * c-typeck.c (build_external_ref): Warn about static variables
623 used in extern inline functions.
624 * c-decl.c (start_decl): Warn about static variables declared
625 in extern inline functions.
627 2006-10-31 Roger Sayle <roger@eyesopen.com>
630 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
631 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
632 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
633 or y is an even integer.
635 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
638 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
639 * gthr-posix95.h (__gthread_active_p): Likewise.
641 2006-10-31 Richard Guenther <rguenther@suse.de>
643 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
644 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
645 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
646 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
647 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
648 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
649 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
650 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
653 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
655 * opts.c (decode_options): Disable CSE skip blocks.
657 2006-10-30 Dirk Mueller <dmueller@suse.de>
659 * c-common.h (strict_aliasing_warning): Fix whitespace.
660 * c-decl (start_function): Move code for main decl warning ..
661 * c-common.c (check_main_parameter_types): .. here.
662 * c-common.h (check_main_parameter_types): Declare.
664 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
667 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
669 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
671 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
672 be a PARALLEL containing sets. Return false when out_pat is not
675 2006-10-30 Richard Sandiford <richard@codesourcery.com>
677 * config/mips/mips.md (mul<mode>3): Split into...
678 (mulsi3, muldi3): ...these separate patterns.
680 2006-10-30 Richard Sandiford <richard@codesourcery.com>
682 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
683 but with each set of options separated by spaces.
685 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
687 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
688 dwarf_reg_size_table has been initialized.
690 2006-10-30 Roger Sayle <roger@eyesopen.com>
692 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
693 * ddg.c (print_ddg_edge): Likewise.
694 * dwarf2out.c (prune_unused_types_walk): Likewise.
695 * ifcvt.c (noce_try_cmove_arith): Likewise.
696 * langhooks.c (add_builtin_function): Likewise.
697 * reg-stack.c (subst_stack_regs_pat): Likewise.
698 * tree.c (expanded_location): Likewise.
699 * tree-dump.c (dequeue_and_dump): Likewise.
701 2006-10-30 David Daney <ddaney@avtrex.com>
703 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
705 2006-10-30 Jakub Jelinek <jakub@redhat.com>
707 PR tree-optimization/29637
708 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
709 of the innertype is the innertype itself.
711 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
713 * dwarf2out.c (file_name_acquire): Correct typo.
715 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
717 * tree.h (tree_value_handle): Remove struct value_set declaration.
718 Change value_set to bitmap_set.
719 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
720 * tree-vn.c (get_value_handle): Made inline and moved to
722 * tree-flow-inline.h: (has_stmt_ann): New function.
723 * tree-ssa-pre.c (expressions): New variable.
724 (next_expression_id): Ditto.
725 (alloc_expression_id): New function.
726 (struct value_set): Remove.
727 (get_expression_id): New function.
728 (get_or_alloc_expression_id): Ditto.
729 (expression_for_id): Ditto.
730 (clear_expression_ids): Ditto.
731 (FOR_EACH_EXPR_ID_IN_SET): New macro.
732 (bb_value_sets): Renamed to bb_bitmap_sets.
733 All value sets replaced with bitmap_sets.
735 (BB_VISITED): New macro.
736 (postorder): New variable.
737 (add_to_value): Removed.
738 (value_exists_in_set_bitmap): Ditto.
739 (value_insert_into_set_bitmap): Ditto.
743 (set_contains_value): Ditto.
744 (insert_into_set): Ditto.
746 (find_leader): Ditto.
747 (bitmap_set_subtract_from_value_set): Ditto.
748 (value_insert_into_set): Ditto.
749 (print_value_set): Ditto.
750 (debug_value_set): Ditto.
751 (constant_expr_p): New function.
752 (bitmap_remove_from_set): Ditto.
753 (bitmap_insert_into_set): Ditto.
754 (bitmap_set_free): Ditto.
756 (sorted_array_from_bitmap_set): Ditto.
757 (bitmap_set_subtract): Ditto.
758 (bitmap_set_equal): Ditto.
759 (debug_bitmap_set): Ditto.
760 (find_leader_in_sets): Ditto.
761 (bitmap_set_replace_value): Modify for bitmapped sets.
762 (phi_translate): Ditto.
763 (phi_translate_set): Ditto.
764 (bitmap_find_leader): Ditto.
765 (valid_in_sets): Ditto.
766 (union_contains_value): Ditto.
768 (compute_antic_aux): Ditto. Mark changed blocks.
769 (compute_antic): Ditto. Iterate in postorder and only over
771 (compute_rvuse_and_antic_safe): Reuse postorder.
772 (create_component_ref_by_pieces): Modify for bitmapped sets.
773 (find_or_generate_expression): Ditto.
774 (create_expression_by_pieces): Ditto.
775 (insert_into_preds_of_block): Ditto.
776 (changed_blocks): New variable.
777 (do_regular_insertion): Broken out from insert_aux.
778 (insert_aux): Modified for bitmapped sets.
779 (find_existing_value_expr): New function.
780 (create_value_expr_from): Use it.
781 (insert_extra_phis): Removed.
782 (print_bitmap_set): Renamed from bitmap_print_value_set.
783 (compute_avail): Handle RETURN_EXPR.
784 (init_pre): Modify for bitmapped sets.
785 * tree-flow.h (has_stmt_ann): New function.
787 2006-10-29 Roger Sayle <roger@eyesopen.com>
789 * builtins.c (fold_builtin_floor): Check for the availability of
790 the C99 trunc function before transforming floor into trunc.
792 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
794 * builtins.c (fold_builtin_hypot): Rearrange recursive
795 transformation before others, and also do ABS_EXPR. When
796 necessary, check flag_unsafe_math_optimizations. When necessary,
799 2006-10-29 Roger Sayle <roger@eyesopen.com>
801 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
802 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
803 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
804 Fold -X eq/ne -Y as X eq/ne Y.
806 2006-10-29 Richard Sandiford <richard@codesourcery.com>
808 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
809 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
810 rather than GENERATE_MULT3_SI in the various define_peephole2s.
811 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
812 Use an inclusive test for "mult" rather than "mul".
813 (rotr<mode>3): Depend on ISA_HAS_ROR.
814 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
816 (GENERATE_MULT3_DI): Delete.
817 (ISA_HAS_64BIT_REGS): Use consistent formatting.
818 (ISA_HAS_MUL3): New macro.
819 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
820 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
821 (ISA_HAS_CLZ_CLO): Likewise.
822 (ISA_HAS_DCLZ_DCLO): Delete.
823 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
824 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
825 the VR4120 and VR4130.
826 (ISA_HAS_MACCHI): Use consistent formatting.
827 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
828 (ISA_HAS_ROR): ...this new macro.
829 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
830 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
831 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
833 2006-10-29 Roger Sayle <roger@eyesopen.com>
835 PR tree-optimization/15458
836 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
839 2006-10-29 Richard Guenther <rguenther@suse.de>
841 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
842 (ix86_expand_truncdf_32): Likewise.
843 * config/i386/i386.c (ix86_expand_trunc): New function expanding
844 trunc inline for SSE math and -fno-trapping-math and if not
846 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
847 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
848 for expanding btrunc inline for SSE math.
850 2006-10-29 Joseph Myers <joseph@codesourcery.com>
852 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
853 Handle tuning for bi-arch i[34567]86-*-linux* like that for
854 i[34567]86-*-solaris2.1[0-9]*.
855 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
856 Define conditionally depending on TARGET_64BIT_DEFAULT.
857 (SPEC_32, SPEC_64): Define.
858 (LINK_SPEC): Use them.
859 * doc/install.texi (--enable-targets=all): Document for x86-linux.
861 2006-10-29 Richard Guenther <rguenther@suse.de>
863 * config/i386/i386-protos.h (ix86_expand_round): Declare.
864 (ix86_expand_rounddf_32): Likewise.
865 * config/i386/i386.c (ix86_expand_round): New function expanding
866 round inline for SSE math and -fno-trapping-math and if not
868 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
869 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
870 round via ix86_expand_round.
872 2006-10-29 Richard Guenther <rguenther@suse.de>
874 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
875 (ix86_expand_floorceildf_32): Likewise.
876 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
877 static helper function.
878 (ix86_expand_floorceil): Expander for floor and ceil to SSE
880 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
881 * config/i386/i386.md (floordf2): Adjust to enable floor
882 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
883 -fno-trapping-math is enabled and if not optimizing for size.
884 (floorsf2, ceildf2, ceilsf2): Likewise.
885 * config/i386/sse.md (sse_maskcmpsf3): New insn.
886 (sse2_maskcmpdf3): Likewise.
888 2006-10-29 Richard Guenther <rguenther@suse.de>
890 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
891 rint in case -fno-trapping-math is enabled.
892 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
893 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
894 (ix86_expand_sse_fabs): Likewise.
895 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
896 * config/i386/i386.md (rintdf2): Enable for SSE math if
897 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
900 2006-10-29 Richard Guenther <rguenther@suse.de>
902 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
903 to conversion optabs.
904 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
906 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
907 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
908 (lfloor_optab, lceil_optab): Adjust defines.
909 * builtins.c (expand_builtin_int_roundingfn): Adjust for
910 lfloor and lceil optabs now being conversion optabs.
911 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
912 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
913 New static helper function.
914 (ix86_expand_lfloorceil): New function to expand lfloor and
916 * config/i386/i386.md (lfloor<mode>2): Split into ...
917 (lfloorxf<mode>2): ... x87 variant
918 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
919 using ix86_expand_lfloorceil.
920 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
922 * doc/md.texi (lfloorMN, lceilMN): Document.
924 2006-10-29 Richard Sandiford <richard@codesourcery.com>
926 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
927 -mno-shared assembler option on mips targets.
928 * configure, config.in: Regenerate.
929 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
930 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
931 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
933 2006-10-29 Richard Sandiford <richard@codesourcery.com>
935 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
936 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
938 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
940 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
941 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
944 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
947 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
948 (fold_builtin_pow): Evaluate constant arguments at compile-time
950 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
951 (do_mpfr_ckconv): New helper function.
952 (do_mpfr_arg1): Use do_mpfr_ckconv.
955 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
958 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
959 (-fdump-rtl-sched): Rename to ..
960 (-fdump-rtl-sched1): here. Also fix file extension number.
962 2006-10-28 Richard Guenther <rguenther@suse.de>
964 * fold-const.c (maybe_canonicalize_comparison): Fix code
967 2006-10-28 Uros Bizjak <uros@kss-loka.si>
969 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
970 (NON_QI_REG_P): Use IN_RANGE.
971 (REX_INT_REGNO_P): Use IN_RANGE.
972 (FP_REGNO_P): Use IN_RANGE.
973 (SSE_REGNO_P): Use IN_RANGE.
974 (REX_SSE_REGNO_P): Use IN_RANGE.
975 (MMX_REGNO_P): Use IN_RANGE.
976 (STACK_REGNO_P): New macro.
977 (STACK_REG_P): Use STACK_REGNO_P.
978 (NON_STACK_REG_P): Use STACK_REGNO_P.
979 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
980 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
981 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
982 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
983 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
985 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
987 * except.h (output_function_exception_table): Add 'const char*' param.
988 * except.c (switch_to_exception_section): Add 'const char*' param.
989 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
990 and flag_function_sections is set, use a function-specific section.
991 (output_function_exception_table): Add 'const char*' param.
992 Adjust call to switch_to_exception_section.
993 * final.c (rest_of_handle_final): Adjust calls to
994 output_function_exception_table.
995 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
996 * config.in: Regenerate.
997 * configure: Likewise.
999 2006-10-28 Richard Guenther <rguenther@suse.de>
1002 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1003 for maybe_canonicalize_comparison.
1004 (maybe_canonicalize_comparison): New function for canonicalizing
1006 (fold_comparison): Call it to canonicalize comparisons with
1009 2006-10-28 Richard Guenther <rguenther@suse.de>
1012 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1013 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1014 (expand_builtin): Adjust likewise.
1015 * genopinit.c (optabs[]): Add lround optab.
1016 * optabs.c (init_optabs): Initialize lround_optab.
1017 * optabs.h (enum convert_optab_index): Add COI_lround.
1018 (lround_optab): Define.
1019 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1020 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1022 (ix86_expand_lround): New function.
1023 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1025 * doc/md.texi (lroundMN2): Document.
1027 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1030 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1031 argument to HOST_WIDE_INT. Update function prototype.
1032 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1033 "size" argument to HOST_WIDE_INT. Update function prototype.
1035 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1037 * config/i386/i386.c (output_387_ffreep): Create output from a
1038 template string for !HAVE_AS_IX86_FFREEP.
1040 2006-10-27 Eric Christopher <echristo@apple.com>
1042 * config/darwin.c: Fix formatting and grammar.
1044 2006-10-27 Jan Hubicka <jh@suse.cz>
1046 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1047 to be thrown away soon when IGNORE is set.
1048 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1049 indicating when return value shall not be computed.
1050 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1052 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1054 * config/i386/i386.h (TARGET_GEODE):
1055 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1056 (TARGET_CPU_DEFAULT_geode): New macro.
1057 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1058 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1059 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1060 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1061 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1063 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1064 (processor_type): Add PROCESSOR_GEODE.
1066 * config/i386/i386.md: Include geode.md.
1069 * config/i386/i386.c (geode_cost): New initialized global
1071 (m_GEODE, m_K6_GEODE): New macros.
1072 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1073 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1074 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1075 x86_schedule): Use m_K6_GEODE instead of m_K6.
1076 (x86_movx, x86_cmove): Set up m_GEODE.
1077 (x86_integer_DFmode_moves): Clear m_GEODE.
1078 (processor_target_table): Add entry for geode.
1079 (processor_alias_table): Ditto.
1081 * config/i386/geode.md: New file.
1083 * doc/invoke.texi: Add entry about geode processor.
1085 2006-10-27 Mike Stump <mrs@apple.com>
1087 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1088 __DYNAMIC__ from here back to ...
1089 * config/darwin.h (CPP_SPEC): ... here.
1091 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1092 Nathan Sidwell <nathan@codesourcery.com>
1094 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1095 when choosing the minimum heapsize.
1097 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1099 * gcc/unwind-dw2.h: Move cfa-related variables into
1100 struct frame_state_reg_info to ensure that the CFA is properly
1101 handled when executing DW_CFA_{remember,restore}_state.
1102 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1103 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1104 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1105 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1106 gcc/config/rs6000/linux-unwind.h,
1107 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1108 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1109 Modify to use new cfa_* fields.
1111 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1113 * config/s390/s390.c (s390_init_frame_layout): Check positive
1116 2006-10-26 Ben Elliston <bje@au.ibm.com>
1118 * gimplify.c (get_name): Remove extraneous break.
1119 (gimplify_omp_for): Initialise ret with GS_OK.
1121 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1123 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1124 Add unix98.o to link line.
1126 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1129 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1130 Calculate compile-time constants using MPFR.
1131 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1132 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1134 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1136 * config/xtensa/lib2funcs.S: Use C-style comments.
1138 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1140 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1141 (file_table_relative_p): Likewise.
1142 (dwarf2out_finish): Likewise.
1143 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1145 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1147 * tree-ssa-structalias.c (intra_create_variable_infos):
1148 Don't recreate nonlocal_all if it already exists.
1150 2006-10-25 Richard Guenther <rguenther@suse.de>
1153 * optabs.h (enum optab_index): Remove OTI_lrint.
1154 (enum convert_optab_index): Add COI_lrint.
1155 (lrint_optab): Adjust.
1156 (expand_sfix_optab): Declare.
1157 * optabs.c (expand_sfix_optab): New function.
1158 (init_optabs): Init lrint_optab as conversion optab.
1159 * genopinit.c (lrint_optab): Change to a conversion optab.
1160 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1161 expansion via conversion optab.
1162 * config/i386/i386.md (*fistdi2_1): Remove
1163 flag_unsafe_math_optimizations guard.
1164 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1165 fist<mode>2_with_temp): Likewise.
1166 (lrint<mode>2): Split into...
1167 (lrintxf<mode>2): ... x87 part
1168 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1169 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1170 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1171 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1172 * doc/md.texi (lrintMN2): Document.
1174 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1177 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1178 Use inc and dec instructions for TARGET_USE_INCDEC.
1179 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1180 ("sync_double_compare_and_swap<mode>"): Likewise.
1181 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1182 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1183 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1184 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1185 ("sync_old_add<mode>"): Likewise.
1186 ("sync_lock_test_and_set<mode>"): Likewise.
1187 ("sync_lock_test_and_set<mode>"): Likewise.
1188 ("sync_add<mode>"): Likewise.
1189 ("sync_sub<mode>"): Likewise.
1190 ("sync_ior<mode>"): Likewise.
1191 ("sync_and<mode>"): Likewise.
1192 ("sync_xor<mode>"): Likewise.
1194 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1196 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1197 (remainder_optab): Define corresponding macro.
1198 (drem_optab): Remove.
1199 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1200 drem_optab initialization.
1201 * genopinit.c (optabs): Implement remainder_optab using
1202 remainder?f3 patterns. Remove drem_optab.
1203 * builtins.c (expand_builtin_mathfn_2): Handle
1204 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1205 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1206 expand_builtin_mathfn_2.
1208 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1209 depend on flag_unsafe_math_optimizations.
1211 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1212 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1213 Do not depend on flag_unsafe_math_optimizations. Use
1214 truncxf?f expander instead of truncxf?f_i387_noop.
1216 ("fpremxf4", "fprem1xf4"): Do not depend on
1217 flag_unsafe_math_optimizations.
1218 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1219 flag_unsafe_math_optimizations. Use truncxf?f expander
1220 instead of truncxf?f_i387_noop.
1222 * doc/md.texi (fmod, remainder): Document standard named pattern.
1224 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1225 David Daney <ddaney@avtrex.com>
1228 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1230 2006-10-25 Ben Elliston <bje@au.ibm.com>
1232 * doc/extend.texi (Variable Attributes): Typo fix.
1234 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1236 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1237 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1238 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1239 (FRAME_POINTER_REGNUM): Update register number to 21.
1240 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1241 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1243 * config/i386/i386.c (regclass_map): Add fpcr entry.
1244 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1246 (print_reg): Assert REGNO (x) != FPCR_REG.
1248 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1249 (DIRFLAG_REG): Renumber.
1250 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1251 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1252 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1253 hardcoded SSE register numbers.
1255 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1256 hardcoded MMX register numbers.
1258 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1261 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1262 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1264 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1265 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1266 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1267 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1269 2006-10-24 Richard Guenther <rguenther@suse.de>
1272 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1273 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1274 for deciding optimizations in consistency with fold-const.c
1275 (fold_builtin_unordered_cmp): Likewise.
1277 2006-10-24 Richard Guenther <rguenther@suse.de>
1279 * builtins.c (fold_builtin_floor): Fold floor (x) where
1280 x is nonnegative to trunc (x).
1281 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1282 nonnegative to FIX_TRUNC_EXPR.
1284 2006-10-24 Richard Guenther <rguenther@suse.de>
1286 PR tree-optimization/29567
1287 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1288 for TRUTH_NOT_EXPR. Clarify comments.
1290 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1293 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1294 at compile-time using MPFR. Change parameter VALUE to FUNC,
1296 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1297 for overflow and underflow at all times and avoid folding in
1300 2006-10-24 Ben Elliston <bje@au.ibm.com>
1302 * reload1.c: Formatting fixes.
1304 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1306 PR tree-optimization/14784
1307 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1308 * tree-ssa-structalias.c (get_constraint_for,
1309 intra_create_variable_infos): Set is_heapvar.
1310 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1311 non-heapvar pointer variables specially.
1313 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1316 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1317 fold_builtin_tan): Fold all constant arguments. Take a "type"
1318 argument as necessary.
1319 (do_mpfr_arg1): New.
1320 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1322 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1324 * config/xtensa/lib1funcs.asm: Use C-style comments.
1326 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1328 * tree.c (local_define_builtin): Replace calls to
1329 lang_hooks.builtin_function with add_builtin_function.
1330 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1332 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1334 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1335 common code to add_builtin_function.
1336 * langhooks.c (add_builtin_function): New function.
1337 (lhd_builtin_function): New function.
1338 * langhooks.h (struct lang_hooks): Change the signature of
1340 (add_builtin_function): New function.
1341 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1342 calls to lang_hooks.builtin_function with add_builtin_function.
1343 * c-common.c (decl_builtin_1): Replace calls to
1344 lang_hooks.builtin_function with add_builtin_function.
1345 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1346 lang_hooks.builtin_function with add_builtin_function.
1347 * config/frv/frv.c (def_builtin): Replace calls to
1348 lang_hooks.builtin_function with add_builtin_function.
1349 * config/s390/s390.c (s390_init_builtins): Replace calls to
1350 lang_hooks.builtin_function with add_builtin_function.
1351 * config/sparc/sparc.c (def_builtin): Replace calls to
1352 lang_hooks.builtin_function with add_builtin_function.
1353 * config/i386/i386.c (def_builtin): Replace calls to
1354 lang_hooks.builtin_function with add_builtin_function.
1355 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1356 lang_hooks.builtin_function with add_builtin_function.
1357 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1358 lang_hooks.builtin_function with add_builtin_function.
1359 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1360 Replace calls to lang_hooks.builtin_function with
1361 add_builtin_function.
1362 * config/iq2000/iq2000.c (def_builtin):
1363 Replace calls to lang_hooks.builtin_function with
1364 add_builtin_function.
1365 * config/ia64/ia64.c (def_builtin): Replace calls to
1366 lang_hooks.builtin_function with add_builtin_function.
1367 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1368 lang_hooks.builtin_function with add_builtin_function.
1369 (altivec_init_builtins): Replace calls to
1370 lang_hooks.builtin_function with add_builtin_function.
1371 * config/arm/arm.c (def_mbuiltin): Replace calls to
1372 lang_hooks.builtin_function with add_builtin_function.
1373 (arm_init_tls_builtins): Replace calls to
1374 lang_hooks.builtin_function with add_builtin_function.
1375 * config/mips/mips.c (mips_init_builtins): Replace calls to
1376 lang_hooks.builtin_function with add_builtin_function.
1377 * config/bfin/bfin.c (def_builtin): Replace calls to
1378 lang_hooks.builtin_function with add_builtin_function.
1379 * langhooks-def.h (lhd_builtin_function): New function.
1380 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1382 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1384 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1385 BUILT_IN_STRNCAT_CHK.
1387 2006-10-23 Jan Hubicka <jh@suse.cz>
1389 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1390 don't do conversion from memmove to memcpy here.
1391 (expand_builtin_bcopy, expand_builtin): Update call of
1392 expand_builtin_memmove.
1393 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1395 2006-10-23 Paul Brook <paul@codesourcery.com>
1397 * stor-layout.c (start_record_layout): maximum_field_alignment
1398 overrides STRUCTURE_SIZE_BOUNDARY.
1400 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1402 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1403 nonlocal function symbols if flag_pic.
1405 2006-10-23 Richard Guenther <rguenther@suse.de>
1409 * builtins.c (fold_binary): Remove checks for flag_wrapv
1410 and flag_trapv where negate_expr_p covers these cases.
1412 2006-10-23 Richard Guenther <rguenther@suse.de>
1415 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1416 of two on the absolute value.
1417 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1418 and negating -C does not overflow.
1420 2006-10-23 Richard Guenther <rguenther@suse.de>
1423 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1424 only if not flag_rounding_math.
1426 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1427 Kaz Kojima <kkojima@gcc.gnu.org>
1430 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1431 SImode memory reference for the source of a movua.
1432 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1433 (movua): Use an unspec instead of sign_extract. Expect the source
1434 to have mode BLKmode.
1435 (extv, insv): Use a BLKmode rather than SImode memory reference
1436 for the source of a movua.
1438 2006-10-22 Jeff Law <law@redhat.com>
1439 Richard Guenther <rguenther@suse.de>
1441 PR tree-optimization/15911
1442 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1443 (register_edge_assert_for_1): Likewise.
1444 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1445 (find_conditional_asserts): Adjust for new function signature.
1446 (find_assert_locations): Likewise.
1448 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1450 * config/i386/tmmintrin.h: Remove the duplicated content.
1452 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1454 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1455 (x86_64-*-*): Likewise.
1457 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1458 (override_options): Check SSSE3.
1459 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1460 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1461 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1462 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1463 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1464 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1465 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1466 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1467 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1468 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1469 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1470 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1471 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1472 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1473 IX86_BUILTIN_PABSD128.
1474 (bdesc_2arg): Add SSSE3.
1475 (bdesc_1arg): Likewise.
1476 (ix86_init_mmx_sse_builtins): Support SSSE3.
1477 (ix86_expand_builtin): Likewise.
1478 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1480 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1481 (UNSPEC_PSIGN): Likewise.
1482 (UNSPEC_PALIGNR): Likewise.
1483 Include mmx.md before sse.md.
1485 * config/i386/i386.opt: Add -mssse3.
1487 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1488 (ssse3_phaddwv4hi3): Likewise.
1489 (ssse3_phadddv4si3): Likewise.
1490 (ssse3_phadddv2si3): Likewise.
1491 (ssse3_phaddswv8hi3): Likewise.
1492 (ssse3_phaddswv4hi3): Likewise.
1493 (ssse3_phsubwv8hi3): Likewise.
1494 (ssse3_phsubwv4hi3): Likewise.
1495 (ssse3_phsubdv4si3): Likewise.
1496 (ssse3_phsubdv2si3): Likewise.
1497 (ssse3_phsubswv8hi3): Likewise.
1498 (ssse3_phsubswv4hi3): Likewise.
1499 (ssse3_pmaddubswv8hi3): Likewise.
1500 (ssse3_pmaddubswv4hi3): Likewise.
1501 (ssse3_pmulhrswv8hi3): Likewise.
1502 (ssse3_pmulhrswv4hi3): Likewise.
1503 (ssse3_pshufbv16qi3): Likewise.
1504 (ssse3_pshufbv8qi3): Likewise.
1505 (ssse3_psign<mode>3): Likewise.
1506 (ssse3_psign<mode>3): Likewise.
1507 (ssse3_palignrti): Likewise.
1508 (ssse3_palignrdi): Likewise.
1509 (abs<mode>2): Likewise.
1510 (abs<mode>2): Likewise.
1512 * config/i386/tmmintrin.h: New file.
1514 * doc/extend.texi: Document SSSE3 built-in functions.
1516 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1518 2006-10-22 Ira Rosen <irar@il.ibm.com>
1520 * tree-vect-transform.c (vectorizable_load): Use the type of the
1521 return value of the mask_for_load builtin to create realign_load
1524 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1526 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1529 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1531 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1532 (UNSPEC_LDDQU): This.
1533 * config/i386/sse.md (sse3_lddqu): Updated.
1535 2006-10-21 Richard Guenther <rguenther@suse.de>
1537 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1538 (expand_builtin): Use it to expand lrint instead of
1539 expand_builtin_mathfn.
1541 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1544 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1545 flag_unsafe_math_optimizations is set.
1547 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1550 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1551 patterns to use memory input operand in x87->mem->XMM
1552 reload sequences. Skip transformation for TARGET_K8.
1554 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1556 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1557 force operand1 to register if both operands are memory operands.
1558 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1559 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1560 if both operands are memory operands.
1561 (truncdfsf2): Do not force operand1 to register if both operands
1562 are memory operands.
1564 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1566 * Makefile.in (LIBS): Add $(GMPLIBS).
1567 * doc/install.texi: Update GMP and MPFR requirements.
1568 * doc/sourcebuild.texi (need_gmp): Delete.
1570 2006-10-21 Richard Guenther <rguenther@suse.de>
1572 PR tree-optimization/3511
1573 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1574 got new invariant arguments during PHI translation.
1576 2006-10-21 Richard Guenther <rguenther@suse.de>
1579 * fold-const.c (fold_comparison): Fold signed comparisons
1580 of the form X +- C1 CMP Y +- C2.
1582 2006-10-21 Richard Guenther <rguenther@suse.de>
1585 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1586 if flag_unsafe_math_optimizations is specified. We have
1587 flag_finite_math_only for that.
1588 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1589 or flag_unsafe_math_optimizations.
1591 2006-10-21 Richard Guenther <rguenther@suse.de>
1593 * builtins.c (fold_builtin_classify): Fix typo.
1595 2006-10-21 Richard Guenther <rguenther@suse.de>
1598 * simplify-rtx.c (simplify_const_relational_operation):
1599 Do not constant-fold ORDERED and UNORDERED for
1600 flag_unsafe_math_optimizations but only we do not need to
1601 honor NaNs for the given mode.
1603 2006-10-21 Richard Guenther <rguenther@suse.de>
1606 * config/i386/i386.c (classify_argument): Remove redundant
1607 walking of the BINFOs.
1608 (contains_128bit_aligned_vector_p): Likewise.
1610 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1612 * BASE-VER: Set to 4.3.0.
1614 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1616 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1617 (tree_decl_with_vis): Remove artificial_pta_var flag.
1618 * tree-flow.h (referenced_var_check_and_insert): Expose.
1619 (nonlocal_all): New prototype.
1620 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1621 (nonlocal_all): Make global.
1622 (nonlocal_lookup): Remove.
1623 (nonlocal_insert): Ditto.
1624 (create_nonlocal_var): Do not call nonlocal_insert.
1625 (get_nonlocal_id_for_type): Remove.
1626 (find_global_initializers): Mark new vars we find for renaming.
1627 (intra_create_variable_infos): Only create one nonlocal.
1628 (expand_nonlocal_solutions): Remove.
1629 (compute_points_to_sets): Don't call it.
1630 (ipa_pta_execute): Ditto.
1631 (init_alias_heapvars): Don't create nonlocal_for_type.
1632 (delete_alias_heapvars): Don't remove it.
1633 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1636 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1638 * doc/install.texi (Downloading GCC): Clarify mention of
1639 Fortran in the "full distribution" description.
1641 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1643 Fix PR tree-optimization/28778
1644 Fix PR tree-optimization/29156
1645 Fix PR tree-optimization/29415
1646 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1647 (tree_decl_with_vis): Add artificial_pta_var flag.
1648 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1649 pushed into callers.
1650 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1651 (nonlocal_all): Ditto.
1652 (struct variable_info): Add directly_dereferenced member.
1653 (var_escaped_vars): New variable.
1654 (escaped_vars_tree): Ditto.
1655 (escaped_vars_id): Ditto.
1656 (nonlocal_vars_id): Ditto.
1657 (new_var_info): Set directly_dereferenced.
1658 (graph_size): New variable
1659 (build_constraint_graph): Use graph_size.
1660 (solve_graph): Don't process constraints that cannot change the
1661 solution, don't try to propagate an empty solution to our
1663 (process_constraint): Set directly_dereferenced.
1664 (could_have_pointers): New function.
1665 (get_constraint_for_component_ref): Don't process STRING_CST.
1666 (nonlocal_lookup): New function.
1667 (nonlocal_insert): Ditto.
1668 (create_nonlocal_var): Ditto.
1669 (get_nonlocal_id_for_type): Ditto.
1670 (get_constraint_for): Allow results vector to be empty in the case
1671 of string constants.
1672 Handle results of calls properly.
1673 (update_alias_info): Update alias info stats on number and type of
1675 (find_func_aliases): Use could_have_pointers.
1676 (make_constraint_from_escaped): Renamed from
1677 make_constraint_to_anything, and changed to make constraints from
1679 (make_constraint_to_escaped): New function.
1680 (find_global_initializers): Ditto.
1681 (create_variable_info_for): Make constraint from escaped to any
1682 global variable, and from any global variable to the set of
1684 (intra_create_variable_infos): Deal with escaped instead of
1685 pointing to anything.
1686 (set_uids_in_ptset): Do type pruning on directly dereferenced
1688 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1689 (init_base_vars): Fix comment, and initialize escaped_vars.
1690 (need_to_solve): Removed.
1691 (find_escape_constraints): New function.
1692 (expand_nonlocal_solutions): Ditto.
1693 (compute_points_to_sets): Call find_escape_constraints and
1694 expand_nonlocal_solutions.
1695 (delete_points_to_sets): Don't fall off the end of the graph.
1696 (init_alias_heapvars): Initialize nonlocal_for_type and
1698 (delete_alias_heapvars): Free nonlocal_for_type and null out
1701 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1703 * fold-const.c (add_double): Rename to add_double_with_sign.
1704 Add 'unsigned_p' parameter and take it into account for the overflow.
1705 (mul_double): Rename to mul_double_with_sign.
1706 Add 'unsigned_p' parameter and take it into account for the overflow.
1707 (fold_div_compare): Call add_double_with_sign instead of add_double
1708 and mul_double_with_sign instead of mul_double, passing them the
1709 unsignedness of the type.
1710 * tree.h (add_double): Macroize.
1711 (add_double_with_sign): New prototype.
1712 (mul_double): Macroize.
1713 (mul_double_with_sign): New prototype.
1715 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1717 * config/score/crti.asm: New file.
1718 * config/score/crtn.asm: New file.
1719 * config/score/elf.h: New file.
1720 * config/score/mac.md: New file.
1721 * config/score/misc.md: New file.
1722 * config/score/mul-div.S: New file.
1723 * config/score/predicates.md: New file.
1724 * config/score/score7.md: New file.
1725 * config/score/score.c: New file.
1726 * config/score/score-conv.h: New file.
1727 * config/score/score.h: New file.
1728 * config/score/score.md: New file.
1729 * config/score/score-mdaux.c: New file.
1730 * config/score/score-mdaux.h: New file.
1731 * config/score/score-modes.def: New file.
1732 * config/score/score.opt: New file.
1733 * config/score/score-protos.h: New file.
1734 * config/score/score-version.h: New file.
1735 * config/score/t-score-elf: New file.
1736 * config.gcc: Add score*-*-* configurations(Update before).
1737 * doc/invoke.texi (Score Options): New section.
1738 * doc/md.texi (Score family): New section to document constraints.
1740 2006-10-19 Nick Clifton <nickc@redhat.com>
1742 * config/arm/arm.c: Fix spelling typo.
1744 2006-10-18 Tom Tromey <tromey@redhat.com>
1746 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1748 2006-10-18 Jan Hubicka <jh@suse.cz>
1751 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1754 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1756 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1757 TSI_SAME_STMT, since that's the desired entity.
1759 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1761 * config/s390/contraints.md: New file.
1762 * config/s390/s390-protos.h (s390_mem_constraint,
1763 s390_O_constraint_str, s390_N_constraint_str,
1764 s390_float_const_zero_p): Function prototypes added.
1765 * config/s390/s390.c (s390_extra_constraint_str,
1766 s390_const_double_ok_for_constraint_p,
1767 s390_const_ok_for_constraint_p): Functions removed.
1768 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1769 s390_float_const_zero_p): New functions.
1770 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1771 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1772 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1773 Macro definitions removed.
1774 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1775 s390_extra_constraint_str): Functions removed.
1777 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1778 Richard Sandiford <richard@codesourcery.com>
1781 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1782 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1784 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1786 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1787 (DWARF2_FRAME_REG_OUT): Likewise.
1788 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1789 (DWARF2_FRAME_REG_OUT): Likewise.
1791 2006-10-17 Paul Brook <paul@codesourcery.com>
1793 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1795 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1797 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1798 Standardize on "GNU Fortran" as the official name of the Fortran
1801 2006-10-16 Mike Stump <mrs@apple.com>
1803 * doc/invoke.texi (Darwin Options): Document -mkernel.
1804 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1806 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1807 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1808 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1809 (OS_MISSING_ALTIVEC): Add.
1810 * config/i386/i386.c (override_options): Add
1811 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1812 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1813 -mkernel, -static or -mdynamic-no-pic is given.
1814 (C_COMMON_OVERRIDE_OPTIONS): Add.
1815 * config/darwin.opt (fapple-kext): Add.
1817 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1818 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1820 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1821 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1822 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1823 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1824 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1825 (flag_mkernel): Add.
1826 (flag_apple_kext): Add.
1827 (TARGET_KEXTABI): Add.
1828 * config/darwin.c (darwin_handle_kext_attribute): Add.
1829 (DARWIN_VTABLE_P): Add.
1830 (darwin_binds_local_p): Add partial support for rebinding vtables
1832 (darwin_kextabi_p): Add.
1833 (darwin_override_options): Add.
1834 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1835 (darwin_kextabi_p): Add.
1836 (darwin_override_options): Add.
1837 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1838 __DYNAMIC__ and __STATIC__ here.
1840 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1842 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1843 Added mention of "make pdf" target, and Texinfo requirements for
1846 2006-10-16 DJ Delorie <dj@redhat.com>
1848 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1849 into the GOT in case we need a subreg of the address.
1851 2006-10-16 Richard Guenther <rguenther@suse.de>
1854 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1855 SSE builtin documentation. Document SSE2 builtins.
1857 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1859 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1860 symbol in the output file for non-shared links when -nostdlib or
1861 -nodefaultlibs isn't specified.
1863 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1864 posix thread support.
1866 2006-10-15 Jan Hubicka <jh@suse.cz>
1869 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1870 declared always_inline even when not inlining.
1872 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1873 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1874 Andrew Pinski <pinskia@gmail.com>
1877 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1879 2006-10-15 Jan Hubicka <jh@suse.cz>
1880 Richard Guenther <rguenther@suse.de>
1883 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1884 process_function_and_variable_attributes on all variables, including
1885 those discovered during cgraph construction phase.
1887 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1889 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1891 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1893 * config/i386/athlon.md (athlon_fist): Add fisttp.
1895 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1896 Ian Lance Taylor <ian@airs.com>
1899 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1900 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1903 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1905 * config/score/score.c, config/score/score.h: Fix comment
1908 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1911 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1914 2006-10-13 Eric Christopher <echristo@apple.com>
1916 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1918 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1921 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 Eric Christopher <echristo@apple.com>
1927 * config/darwin.c (darwin_emit_unwind_label): Strip
1928 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1930 2006-10-13 Richard Guenther <rguenther@suse.de>
1932 PR tree-optimization/29446
1933 * tree-vrp.c (fix_equivalence_set): Remove.
1934 (extract_range_from_assert): Do not call fix_equivalence_set.
1935 (debug_value_range): Print a newline.
1936 (compare_name_with_value): For equivalence sets with
1937 inconsistent value ranges conservatively bail out.
1938 (compare_names): Likewise.
1940 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1942 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1943 and MPFR for gfortran.
1945 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1947 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1948 alignment supported by 32-bit ELF.
1950 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1954 * c-typeck.c (digest_init): Always allow initializing vectors
1955 that have static storage duration with compound literals.
1956 * tree.c (build_type_attribute_qual_variant): New, based on
1957 build_type_attribute_variant.
1958 (build_type_attribute_variant): Rewrite using the former.
1959 (make_vector_type): Use build_type_attribute_qual_variant to build
1960 type variants. Use type_hash_canon on the others.
1962 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1963 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1965 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1967 2006-10-12 Jan Hubicka <jh@suse.cz>
1970 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1971 current_function_decl is set but current_function_scope is not.
1973 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1975 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1976 emit_insn to emit eh_return_internal instruction.
1977 (eh_return_internal): Explicitly set pc.
1979 2006-10-11 Richard Guenther <rguenther@suse.de>
1981 PR tree-optimization/28230
1982 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1983 to the correct place.
1985 2006-10-11 Richard Guenther <rguenther@suse.de>
1988 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1991 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1993 * configure.ac: Added pdf to "Make-hooks"
1994 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1995 targets and *.pdf file patterns in cleanup targets.
1996 * configure: Regenerated.
1998 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2000 * config/avr/predicates.md: New file.
2001 * config/avr/avr.md: Include it.
2002 (REG_SP): New constant.
2003 (peepholes): Use predicates.
2004 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2005 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2006 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2008 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2010 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2013 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2016 * builtins.c (var_decl_component_p): New function.
2017 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2018 single entry optimization to variables and components thereof.
2020 2006-10-10 Richard Guenther <rguenther@suse.de>
2022 PR rtl-optimization/29323
2023 * except.c (set_nothrow_function_flags): For functions
2024 that do not bind local bail out early.
2026 2006-10-10 Ben Elliston <bje@au.ibm.com>
2028 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2031 2006-10-09 Richard Henderson <rth@redhat.com>
2033 Revert emutls patch.
2035 2006-10-09 Richard Guenther <rguenther@suse.de>
2038 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2041 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2044 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2045 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2046 * configure: Regenerate.
2047 * config.in: Regenerate.
2049 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2051 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2053 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2055 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2056 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2057 Remove stray newline.
2059 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2061 * config/mips/mips.c (mips_classify_symbol): Do not return
2062 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2063 (mips_in_small_data_p): Tweak comments.
2065 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2067 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2069 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2071 * gimplify.c, sched-int.h: Fix comment typos.
2073 * sched-int.h: Fix comment typos.
2075 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2077 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2079 * sched-ebb.c (begin_schedule_ready): Use them.
2080 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2081 add_to_speculative_block, create_check_block_twin, speculate_insn,
2082 fix_jump_move, move_block_after_check): Ditto.
2083 * sched-rgn.c (new_ready): Ditto.
2085 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2087 PR rtl-optimization/29128
2088 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2089 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2090 allow interblock movement of speculation checks.
2092 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2095 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2096 casted to integer type.
2097 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2098 if they are significantly more expensive than [reg + index] ones.
2100 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2102 PR tree-optimization/29330
2103 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2104 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2105 on newly allocated ddrs.
2106 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2107 to VEC (loop_p, heap) pointer.
2108 (compute_data_dependences_for_loop): Adjust caller.
2109 (free_dependence_relations): Free DDR_LOOP_NEST.
2111 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2112 free DEPENDENCE_RELATIONS and DATAREFS.
2115 * builtins.c (expand_builtin_sync_operation,
2116 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2117 Use convert_to_mode to handle promoted arguments.
2119 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2121 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2123 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2125 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2127 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2129 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2130 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2131 Use <modeconstraint> instead of "r" as operand 1 constraint.
2133 2006-10-06 Olivier Hainque <hainque@adacore.com>
2135 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2136 Don't recurse on the pointed-to type.
2137 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2138 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2139 types with components of variable size.
2141 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2143 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2145 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2147 PR tree-optimization/29290
2148 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2152 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2153 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2156 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2157 the number of vector elements fill the rest with zeros.
2159 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2161 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2162 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2165 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2167 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2168 unnamed pattern into subsi3. Use correct constraints/predicates.
2169 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2170 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2172 2006-10-05 Ira Rosen <irar@il.ibm.com>
2174 * doc/loop.texi: Add data references analysis description.
2176 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2178 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2180 2006-10-04 Richard Henderson <rth@redhat.com>
2181 Jakub Jelinek <jakub@redhat.com>
2183 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2184 * builtin-types.def (BT_WORD): Make unsigned.
2185 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2186 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2187 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2188 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2189 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2190 * cgraph.c (decide_is_variable_needed): Look at force_output.
2191 Recurse for emulated tls.
2192 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2193 checks redundant with decide_is_variable_needed.
2194 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2195 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2197 * expr.c (emutls_var_address): New.
2198 (expand_expr_real_1): Expand emulated tls.
2199 (expand_expr_addr_expr_1): Likewise.
2200 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2201 * output.h (emutls_finish): Declare.
2202 * toplev.c (compile_file): Call it.
2203 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2204 address before wrapping in CONST.
2205 * varasm.c (emutls_htab, emutls_object_type): New.
2206 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2207 (get_emutls_object_name, get_emutls_object_type): New.
2208 (get_emutls_init_templ_addr, emutls_decl): New.
2209 (emutls_common_1, emutls_finish): New.
2210 (assemble_variable): When emulating tls, swap decls; generate
2211 constructor for the emutls objects.
2212 (do_assemble_alias): When emulating tls, swap decl and target name.
2213 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2215 * emutls.c: New file.
2216 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2217 tls_object for real tls.
2219 2006-10-04 Zack Weinberg <zackw@panix.com>
2221 Fix bug in constraint-check generator, reported by Rask Ingemann
2223 * genpreds.c (add_constraint): Don't remove anything from the
2225 (write_tm_constrs_h): Detect whether "op" argument is used, and
2226 mark it ARG_UNUSED if it isn't.
2227 (write_insn_const_int_ok_for_constraint): Skip the part of the
2228 expression that would test whether "op" (which is not available
2229 here) is a CONST_INT.
2231 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2234 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2236 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2238 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2239 current Leopard versions.
2240 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2242 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2244 * doc/install.texi: Fix typos.
2246 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2248 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2249 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2250 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2252 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2254 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2255 arg to be struct mach_header_64* instead.
2257 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2260 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2261 side effects after the outer expression's post side effects.
2263 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2265 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2266 comments to reflect actual behavior and relationship between
2267 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2269 * doc/c-tree.texi (Working with declarations): Fix documentation
2270 of FIELD_DECL likewise.
2272 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2275 * doc/extend.texi: Add used variable attribute description.
2277 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2280 * c.opt (Woverride-init): New.
2281 * c-opts.c (c_common_post_options): Default warn_override_init to
2283 * c-typeck.c (add_pending_init, output_init_element): Warn for
2284 overriding initializers without side effects.
2285 * doc/invoke.texi (-Woverride-init): Document.
2288 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2290 PR rtl-optimization/28096
2291 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2292 assignment has already been used as a destination earlier in the block.
2294 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2296 * builtins.c (expand_builtin_setjmp): Delete.
2297 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2298 <BUILT_IN_SETJMP_SETUP>: New case.
2299 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2300 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2301 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2302 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2303 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2304 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2305 (lower_function_body): Initialize it to false. If it is set to true
2306 at the end of the processing, emit the setjmp dispatcher.
2307 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2308 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2309 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2310 on the rhs of the assignment.
2311 (lower_builtin_setjmp): New function.
2312 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2313 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2314 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2315 to detect calls that can go to non-local labels. Use specific
2316 helper to create the abnormal edges associated with them.
2317 <MODIFY_EXPR>: Likewise.
2318 (make_abnormal_goto_edges): New function extracted from...
2319 (make_goto_expr_edges): ...here. Call it for computed gotos.
2320 (simple_goto_p): Minor tweak.
2321 (tree_can_make_abnormal_goto): New predicate.
2322 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2323 (tree_purge_dead_abnormal_call_edges): New function.
2324 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2325 (tree_purge_dead_abnormal_call_edges): Likewise.
2326 (make_abnormal_goto_edges): Likewise.
2327 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2328 Purge all dead abnormal edges if the call was in the last statement.
2329 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2330 (execute_fixup_cfg): If there are non-local labels in the function,
2331 scan the basic blocks and split them at calls that can go to non-local
2332 labels or add missing abnormal call edges. Write down the CFG in the
2334 (pass_fixup_cfg): Remove TODO_dump_func flag.
2335 * unwind-sjlj.c: Poison setjmp.
2336 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2337 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2338 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2339 (DONT_USE_BUILTIN_SETJMP): Document it.
2341 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2344 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2345 to 1 when __ppc64__ is defined.
2346 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2348 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2350 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2352 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2353 * config/ia64/unwind-hpux.c: Delete.
2355 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2357 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2358 on the element before gimplifying it, instead of punting if it is of
2361 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2363 * doc/loop.texi: New file.
2364 * doc/gccint.texi: Reference loop.texi.
2365 * Makefile.in (loop.texi): Add.
2367 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2369 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2371 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2372 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2374 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2376 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2378 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2380 * doc/install.texi: Document required versions of GMP and MPFR.
2382 2006-09-27 Paul Brook <paul@codesourcery.com>
2385 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2387 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2389 * reload1.c (alter_reg): Require the alignment of the stack slot to
2390 be at least reg_max_ref_width bytes.
2391 (scan_paradoxical_subregs): Record the largest width in
2394 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2398 * tree-nested.c (struct nesting_info): Added static_chain_added.
2399 (convert_call_expr): Set static_chain_added when adding static
2400 chain. Handle OMP_PARALLEL and OMP_SECTION.
2402 2006-09-25 Matthias Klose <doko@debian.org>
2404 * doc/invoke.texi: Add missing full stop.
2406 2006-09-25 Richard Henderson <rth@redhat.com>
2408 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2409 before cgraph_function_flags_ready.
2411 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2412 Adam Nemet <anemet@caviumnetworks.com>
2414 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2415 determine_common_wider_type): New functions.
2416 (get_computation_aff): Use them to simplify arithmetic between
2417 UBASE and CBASE if they are shortened from the same type.
2419 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2422 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2423 -2147483647 - 1 instead of 0x80000000.
2425 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2427 * flags.h (HONOR_NANS): Fix typo in comment.
2429 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2431 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2433 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2437 * tree.c (merge_attributes, attribute_list_contained): If both
2438 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2440 * c-typeck.c (comptypes_internal): Don't consider aggregates
2441 in different TUs as compatible if there one set of attributes is
2442 not a subset of the other type's attributes.
2443 (composite_type): Try harder not to create a new aggregate type.
2445 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2447 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2448 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2449 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2450 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2451 than replicating condition above.
2452 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2454 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2455 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2456 the linker by default.
2458 2006-09-22 Mike Stump <mrs@apple.com>
2460 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2463 2006-09-22 Richard Guenther <rguenther@suse.de>
2466 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2467 sort of stack variables stable.
2469 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2472 * explow.c (force_reg): Set REG_POINTER flag according to
2475 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2477 PR tree-optimization/28888
2478 * tree-if-conv.c (combine_blocks): Rewritten.
2479 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2480 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2482 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2484 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2487 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2489 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2491 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2493 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2495 2006-09-21 Roger Sayle <roger@eyesopen.com>
2498 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2499 dw_fde_current_label, to be the start of the function, i.e. the same
2500 value as dw_fde_begin.
2502 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2504 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2505 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2506 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2507 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2508 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2509 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2510 (abs<mode>2, neg<mode>2): Likewise.
2511 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2512 (*mips_abs_ps): New define_insn.
2514 2006-09-20 Josh Conner <jconner@apple.com>
2517 * calls.c (expand_call): Allow reuse of structure return stack
2520 2006-09-20 Paul Brook <paul@codesourcery.com>
2522 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2525 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2527 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2528 clean up terminology.
2530 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2533 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2534 with tablejumps in them.
2536 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2539 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2540 wrap it into TARGET_EXPR.
2542 2006-09-20 Eric Christopher <echristo@apple.com>
2544 * config/i386/i386.c (x86_fisttp): Remove.
2545 * config/i386/i386.h (x86_fisttp): Ditto.
2546 (TARGET_FISTTP): Ditto.
2548 2006-09-19 Eric Christopher <echristo@apple.com>
2550 * doc/tm.texi (OBJC_JBLEN): Describe.
2551 * config/i386/darwin.h (OBJC_JBLEN): Define.
2552 * config/rs6000/darwin.h: Ditto.
2554 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2556 PR rtl-optimization/21299
2557 * reload1.c (reload): Purge invalid ASMs in the final pass.
2559 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2562 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2563 pointers as legitimate constants.
2565 2006-09-19 Paul Brook <paul@codesourcery.com>
2568 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2570 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2572 PR tree-optimization/28887
2573 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2574 component parts from the reference.
2575 (gather_memory_references_ref): Record the reference without the
2576 nonaddressable component parts.
2578 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2581 * c-opts.c (c_common_handle_option): Ignore the -std options
2582 if the input language is assembly.
2584 2006-09-17 Ira Rosen <irar@il.ibm.com>
2587 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2589 (ptr_ptr_may_alias_p): Likewise.
2590 (record_record_differ_p): New function.
2591 (base_object_differ_p): Call record_record_differ_p.
2593 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2596 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2597 away for the expr argument.
2599 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2602 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2603 before using it for dumping after vectorizing loops.
2605 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2606 Jack Howarth <howarth@bromo.med.uc.edu>
2609 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2610 skip on error_mark_node.
2611 (rs6000_darwin64_record_arg_recurse): Likewise.
2613 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2615 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2616 * doc/rtl.texi: Remove related documentation.
2618 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2620 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2623 2006-09-15 Jim Wilson <wilson@specifix.com>
2625 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2626 Handle symbol offsets same as they are handled in ia64_expand_move
2629 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2631 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2632 Add forgotten parameter to the fprintf call.
2634 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2636 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2638 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2640 * doc/contrib.texi: Add my entry.
2642 2006-09-15 Nick Clifton <nickc@redhat.com>
2644 * doc/md.texi (Processor pipeline description): Fix typo in
2645 example of how to use the absence_set directive and reword the
2646 description to make it slightly easier to read.
2648 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2650 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2651 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2652 expanding the number of iterations.
2653 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2655 * cfgrtl.c (emit_insn_at_entry): New function.
2656 * rtl.h (emit_insn_at_entry): Declare it.
2657 * integrate.c (emit_initial_value_sets): Use it.
2659 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2661 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2663 (struct loop_work and related VEC declarations): Delete.
2664 (bfin_dump_loops): Print out new member bad.
2665 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2666 (bfin_scan_loop): Don't recurse.
2667 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2668 loops. No longer need to update outer loops if the current one is
2669 found bad. Move some validitiy checks to bfin_discover_loop.
2670 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2671 but changed not to check for nesting. Also changed to use the new bad
2673 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2674 time. Use bitmap based test to discover loop nesting.
2676 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2678 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2681 2006-09-14 Richard Guenther <rguenther@suse.de>
2682 Kazu Hirata <kazu@codesourcery.com>
2684 PR middle-end/28884.
2685 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2686 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2687 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2688 with TARGET_FUNCTION_VALUE.
2690 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2693 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2695 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2697 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2700 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2703 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2706 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2708 * basic_block.h (bb_has_eh_pred): Fix comment.
2710 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2712 * flow.c (calculate_global_regs_live): Invalidate eh registers
2713 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2714 (propagate_block): Handle eh registers as if they were set at basic
2716 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2718 * global.c (global_conflicts): Make eh registers to conflict with
2719 pseudos live at basic block begin.
2720 * basic_block.h (bb_has_eh_pred): New function.
2722 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2724 PR rtl-optimization/28982
2725 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2726 index of a PRE_MODIFY or POST_MODIFY address.
2727 * reload1.c (inc_for_reload): Use find_replacement on the original
2728 base and index registers.
2730 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2732 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2733 for -Os. Update __m128 alignment requirement.
2735 2006-09-13 Jan Hubicka <jh@suse.cz>
2737 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2739 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2741 PR rtl-optimization/28243
2742 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2743 the insn to which the note was originally attached.
2745 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2746 Roger Sayle <roger@eyesopen.com>
2748 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2749 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2750 on platforms that don't use dwarf for debug info.
2752 2006-09-12 Jason Merrill <jason@redhat.com>
2755 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2756 hard_frame_pointer_rtx after using it to update the frame pointer.
2758 2006-09-12 Roger Sayle <roger@eyesopen.com>
2760 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2761 (TARGET_ASM_CLOSE_PAREN): Likewise.
2762 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2763 (TARGET_ASM_CLOSE_PAREN): Likewise.
2765 2006-09-12 Roger Sayle <roger@eyesopen.com>
2768 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2769 frame information for frames larger than 512 Kbytes on Tru64 when
2770 using the native assembler.
2772 2006-09-12 Roger Sayle <roger@eyesopen.com>
2776 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2777 and symbols. Instead use the implementation from cse.c's hash_rtx.
2779 2006-09-12 Jan Hubicka <jh@suse.cz>
2781 PR rtl-optimization/28071
2782 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2783 (vect_transform_loop): Likewise.
2784 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2785 (new_loop_vec_info): Likewise.
2786 (destroy_loop_vec_info): Likewise.
2787 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2788 (create_stmt_ann): Likewise.
2789 (create_tree_ann): Rename to ...
2790 (create_tree_common_ann): ... this one; allocate only the common part
2792 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2793 (get_value_handle): Likewise.
2794 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2795 get_tree_common_ann.
2796 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2797 (vinfo_for_stmt): Use stmt annotations.
2798 * tree-flow.h (tree_ann_common_t): New type.
2799 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2800 (tree_ann, get_tree_ann, create_tree_ann): New.
2801 * tree-flow-inline.h (get_function_ann): Do more type checking.
2802 (stmt_ann): Likewise.
2803 (tree_ann): Rename to ...
2804 (tree_common_ann): ... this one; return ony common_ann
2805 (get_tree_ann): Rename to ...
2806 (tree_common_ann): This one; return only common_ann.
2807 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2810 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2812 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2813 with_cpu by default.
2815 * dwarf2out.c (dwarf_file_data): New.
2816 (enum dw_val_class): Add dw_val_class_file.
2817 (struct dw_val_struct): Add val_file.
2818 (file_table): Change to a hash table.
2819 (file_table_emitted): Delete.
2820 (file_table_last_lookup_index): Delete.
2821 (emitcount): Delete.
2822 (last_emitted_file): New.
2823 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2824 (init_file_table): Delete.
2825 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2826 (AT_addr): Add comment.
2830 (print_die): Handle dw_val_class_file.
2831 (print_dwarf_line_table): Update for new file table structure.
2832 (attr_checksum): Do checksum a filename.
2833 (same_dw_val_p, same_attr_p): Do compare a filename.
2834 (size_of_die): Handle dw_val_class_file.
2835 (value_format): Likewise.
2836 (output_die): Likewise. Also, call maybe_emit_file here.
2837 (struct file_info): Constify filenames. Make file_idx a pointer
2838 to a struct dwarf_file_data.
2839 (struct dir_info): Constify directory names. Remove 'used' field.
2840 (struct file_name_acquire_data): New.
2841 (file_name_acquire): New.
2842 (output_file_names): Modify to handle new file data structures.
2843 (add_src_coords_attributes): Use add_AT_file.
2844 (add_call_src_coords_attributes): Likewise.
2845 (dwarf2out_imported_module_or_decl): Likewise.
2846 (gen_subprogram_die): Modify for new file data structures.
2847 (gen_variable_die): Likewise.
2848 (file_table_eq): New.
2849 (file_table_hash): New.
2850 (file_table_last_lookup): New.
2851 (lookup_filename): Rewrite to handle new file data structures.
2852 (maybe_emit_file): Rewrite to handle new file data structures.
2853 (dwarf2out_source_line): Always call lookup_filename and
2855 (dwarf2out_init): Create file_table here.
2856 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2857 (file_table_relative_p): New.
2858 (dwarf2out_finish): Change detection of relative filenames
2859 to work with new file data structures. Move output_line_info call
2860 after debug_info output.
2862 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2867 * config/i386/i386.c (override_options): Always default to 16
2868 byte stack boundary.
2870 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2873 * var-tracking.c (dump_dataflow_set): Start dumping at
2875 (clobber_variable_part): Kill only the variable part in
2876 registers holding it, leaving other variables alone.
2878 2006-09-11 Josh Triplett <josh@freedesktop.org>
2880 * doc/extend.texi (Other Builtins): Actually use the macro
2881 argument in the documentation example for
2882 __builtin_types_compatible_p.
2884 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2886 PR rtl-optimization/28726
2887 * sched-deps.c (sched_analyze_reg): New function extracted from...
2888 (sched_analyze_1): ...here. Call it to analyze references to
2889 registers. Treat again writes to a stack register as writing to the
2891 (sched_analyze_2): ...and here. Call it to analyze references to
2892 registers. Treat again reads of a stack register as reading the
2895 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2896 David Edelsohn <edelsohn@gnu.org>
2899 * config/rs6000/spe.md (frob_df_di): Remove %H.
2900 (frob_di_df): Remove %H. Change evmergelo to mr.
2901 (frob_di_df_2): Remove %H. Change evldd to two loads.
2903 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2905 * doc/cpp.texi: Fix names of charset options.
2907 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2910 * config/i386/i386.c (override_options): Use 128-bit
2911 stack boundary always for 64bits.
2913 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2915 PR rtl-optimization/28636
2916 * combine.c (force_to_mode): Test for side-effects before
2917 substituting by zero.
2918 (simplify_shift_const): Likewise for zero or other constants.
2920 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2923 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2926 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2929 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2930 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2931 returned by mode_for_size, rather than the mode of src itself,
2932 to choose between 32-bit and 64-bit patterns.
2933 (mips_mem_fits_mode_p): New function.
2934 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2935 that the size of the source matches the size of the destination.
2936 (mov_<store>l, mov_<store>r): Likewise.
2938 2006-09-10 Eric Christopher <echristo@apple.com>
2940 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2943 2006-09-09 Eric Christopher <echristo@apple.com>
2946 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2949 2006-09-09 Roger Sayle <roger@eyesopen.com>
2950 Nicolas Setton <setton@adacore.com>
2952 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2954 2006-09-10 Andreas Schwab <schwab@suse.de>
2956 * config/m68k/m68k.md (bungt_rev): New pattern.
2958 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2959 Dale Johannesen <dalej@apple.com>
2962 * regclass.c (struct reg_pref): Update documentation.
2963 (regclass): Set prefclass to NO_REGS if memory is the best option.
2964 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2966 2006-09-08 Eric Christopher <echristo@apple.com>
2968 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2969 * config/t-slibgcc-darwin: Support x86_64 multilib.
2970 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2971 Return 1 for x86_64-darwin.
2972 * config/i386/t-darwin: Add m64 multilib.
2973 (LIB2_SIDITI_CONV_FUNCS): Use.
2974 (LIB2FUNCS_EXTRA): Ditto.
2975 * config/i386/darwin.h: Support x86_64.
2976 * config/i386/i386.c (override_options): Turn on flag_pic
2977 for x86_64-darwin. Disable flag_omit_pointer.
2978 (get_pc_thunk_name): Assert !TARGET_64BIT.
2979 (legitimate_address_p): Disable machopic addressing for
2981 (legitimize_pic_address): Ditto.
2982 (ix86_expand_move): Ditto.
2983 (ix86_expand_call): Ditto.
2984 (machopic_output_stub): Ditto.
2985 * config/darwin.c (machopic_select_section): Support literal16.
2986 (machopic_select_rtx_section): Ditto.
2987 * config/darwin-sections.def: Ditto.
2988 * config/darwin-64.c: New.
2990 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2993 * c-tree.h (struct c_arg_info): Add pending_sizes.
2994 * c-parser.c (c_parser_parms_declarator,
2995 c_parser_parms_list_declarator): Initialize pending_sizes.
2996 * c-decl.c (get_parm_info): Initialize pending_sizes.
2997 (get_parm_info): Set pending_sizes.
2998 (grokdeclarator): Call put_pending_sizes for parameters for
2999 function definition only.
3001 2006-09-07 Jason Merrill <jason@redhat.com>
3004 * varasm.c (output_constant): Only strip actual no-op conversions.
3007 * config/i386/i386.c (override_options): Use 128-bit
3008 stack boundary if -msse.
3010 2006-09-07 Eric Christopher <echristo@apple.com>
3012 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3014 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3017 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3019 * dwarf2out.c: Remove strange characters from comment above
3020 dwarf2out_frame_debug_expr.
3022 2006-09-07 Eric Christopher <echristo@apple.com>
3024 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3025 * config/darwin.h: ... to here.
3027 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3029 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3031 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3032 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3034 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3035 TARGET_PARTIAL_FLAG_REG_STALL.
3036 (*ashldi3_cconly_rex64): Likewise.
3037 (*ashlsi3_cmp): Likewise.
3038 (*ashlsi3_cconly): Likewise.
3039 (*ashlsi3_cmp_zext): Likewise.
3040 (*ashlhi3_cmp): Likewise.
3041 (*ashlhi3_cconly): Likewise.
3042 (*ashlqi3_cmp): Likewise.
3043 (*ashlqi3_cconly): Likewise.
3044 (*ashrdi3_cmp_rex64): Likewise.
3045 (*ashrdi3_cconly_rex64): Likewise.
3046 (*ashrsi3_cmp): Likewise.
3047 (*ashrsi3_cconly): Likewise.
3048 (*ashrsi3_cmp_zext): Likewise.
3049 (*ashrhi3_cmp): Likewise.
3050 (*ashrhi3_cconly): Likewise.
3051 (*ashrqi3_cmp): Likewise.
3052 (*ashrqi3_cconly): Likewise.
3053 (*lshrdi3_cmp_rex64): Likewise.
3054 (*lshrdi3_cconly_rex64): Likewise.
3055 (*lshrsi3_cmp): Likewise.
3056 (*lshrsi3_cconly): Likewise.
3057 (*lshrsi3_cmp_zext): Likewise.
3058 (*lshrhi3_cmp): Likewise.
3059 (*lshrhi3_cconly): Likewise.
3060 (*lshrqi2_cmp): Likewise.
3061 (*lshrqi2_cconly): Likewise.
3063 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3066 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3067 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3068 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3069 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3070 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3071 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3072 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3073 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3074 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3075 implement only CC setting effects of shift instructions.
3077 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3079 * doc/contrib.texi: Add myself.
3081 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3084 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3085 was set by the user.
3087 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3090 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3091 (divsi_inv_m1): Use them.
3092 (UNSPEC_DIV_INV_TABLE): New constant.
3094 2006-09-06 James E Wilson <wilson@specifix.com>
3097 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3098 then call count_or_remove_death_notes.
3100 2006-09-06 Jason Merrill <jason@redhat.com>
3103 * tree-inline.c (copy_result_decl_to_var): New fn.
3104 (declare_return_variable): Use it. Call declare_inline_vars here.
3105 (expand_call_inline): Not here.
3107 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3109 * doc/contrib.texi: Update my entry.
3111 2006-09-06 Nick Clifton <nickc@redhat.com>
3113 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3115 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3118 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3119 (canonicalize_induction_variables): Likewise.
3120 (tree_unroll_loops_completely): Likewise.
3121 (tree_ssa_prefetch_arrays): Likewise.
3122 (remove_empty_loops): Likewise.
3123 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3124 TODO_cleanup_cfg instead of directly calling
3125 cleanup_tree_cfg_loop.
3126 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3128 (tree_unroll_loops_completely): Likewise.
3129 (remove_empty_loops): Likewise.
3130 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3131 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3132 of tree_ssa_unswitch_loops.
3133 (tree_ssa_loop_ivcanon): Use the return value of
3134 canonicalize_induction_variables.
3135 (tree_ssa_empty_loop): Use the return value of
3137 (tree_complete_unroll): Use the return value of
3138 tree_unroll_loops_completely.
3139 (tree_ssa_loop_prefetch): Use the return value of
3140 tree_ssa_prefetch_arrays.
3141 * passes.c (execute_todo): Before Cleanup CFG, set
3142 updating_used_alone and after cleanup CFG, call
3143 recalculate_used_alone.
3145 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3148 * tree-vect-transform.c (vectorizable_condition): Move the check
3149 for the type after the check for simple condition.
3151 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3152 Kaz Kojima <kkojima@gcc.gnu.org>
3155 * mode-switching.c (optimize_mode_switching): Make the destination
3156 block of an abnormal edge have no anticipatable mode. Don't
3157 insert mode switching code at the end of the source block of
3160 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3162 PR rtl-optimization/26847
3163 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3164 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3165 (simplify_plus_minus): Count n_constants while filling ops. Replace
3166 qsort with insertion sort. Before going through the array to simplify
3167 pairs, sort it. Delay early exit until after the first sort, exiting
3168 only if no swaps occurred. Simplify pairs in reversed order, without
3169 special-casing the first iteration. Pack ops after simplifying pairs.
3171 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3173 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3174 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3175 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3176 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3178 2006-09-05 Richard Guenther <rguenther@suse.de>
3180 PR tree-optimization/28900
3181 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3182 compound conditional before creating COND_EXPR condition.
3184 2006-09-05 Richard Guenther <rguenther@suse.de>
3186 PR tree-optimization/28905
3187 * tree-vrp.c (fix_equivalence_set): Manually implement
3188 !value_ranges_intersect_p to also handle symbolic ranges.
3190 2006-09-05 Richard Guenther <rguenther@suse.de>
3193 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3196 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3198 PR rtl-optimization/27616
3199 * cse.c (table_size): New static variable.
3200 (new_basic_block): Initialize it to 0.
3201 (remove_from_table): Decrement it.
3202 (insert): Increment it.
3203 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3204 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3205 fold_rtx_mem_1 if under the cap.
3206 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3207 the lookup of the equivalent expression and test for equality of the
3208 first operand of the equivalent expression before in turn looking up
3209 an equivalent constant for the second operand.
3211 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3214 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3215 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3216 pointer, instead of assuming it is possible to derive the
3217 correct args size from a call insn.
3219 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3222 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3223 (fold_builtin_mempcpy): Rename to...
3224 (fold_builtin_memory_op): ... this. Optimize one element copy
3226 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3228 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3229 (expand_builtin_memcpy, expand_builtin_mempcpy,
3230 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3231 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3232 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3233 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3235 2006-09-01 DJ Delorie <dj@redhat.com>
3237 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3238 (stzx_16): Likewise.
3239 ("stzx_24_<mode>"): Likewise.
3240 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3241 ("cmp<mode>_op"): New.
3242 (cmp<mode>): Change to expander; just save operands.
3244 (b<code>): Change to expander, emit compare here.
3245 (s<code>_op): Change to use split and expander.
3246 (s<code>_24_op): Likewise.
3247 (s<code>_<mode>): New.
3248 (s<code>_<mode>_24): New.
3249 (movqicc_<code>_<mode): New.
3250 (movhicc_<code>_<mode>): New.
3253 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3254 (m32c_pend_compare): New.
3255 (m32c_unpend_compare): New.
3256 (m32c_expand_scc): New.
3257 (m32c_expand_movcc): Emit the compare also.
3258 * config/m32c/predicates.md (mra_nopp_operand): New.
3260 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3261 Richard Guenther <rguenther@suse.de>
3262 Adam Nemet <anemet@caviumnetworks.com>
3265 * builtins.c (get_pointer_alignment): Handle more forms
3266 of base addresses that can be used to derive more precise
3267 information about alignment.
3269 2006-09-01 Jason Merrill <jason@redhat.com>
3272 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3275 * gimplify.c (voidify_wrapper_expr): Handle null type.
3277 2006-09-01 Josh Conner <jconner@apple.com>
3280 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3281 (execute_return_slot_opt): Use it.
3283 2006-08-31 Josh Conner <jconner@apple.com>
3286 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3287 returning aggregates.
3289 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3291 PR tree-optimization/28839
3292 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3293 blocks in that phi arguments appear.
3295 2006-08-31 Roger Sayle <roger@eyesopen.com>
3298 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3299 NULL, otherwise use an advance_loc4 to adjust relative to the
3301 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3302 (dwarf2out_switch_text_section): Reset the current label to avoid
3303 using advance_loc4 over section boundaries.
3305 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3308 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3309 r12 + SYMBOLIC_CONST.
3311 2006-08-30 Richard Guenther <rguenther@suse.de>
3313 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3315 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3317 PR rtl-optimization/27735
3318 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3319 Add new argument to keep track of whether an irreducible region
3320 was affected. All callers changed.
3321 (fix_irreducible_loops): Removed.
3322 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3323 flags were invalidated.
3325 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3327 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3328 instead of SF operands.
3329 (*fop_df_comm_sse): Likewise.
3330 (*fop_df_comm_i387): Likewise.
3331 (*fop_df_1_mixed): Likewise.
3332 (*fop_df_1_sse): Likewise.
3334 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3335 J"orn Rennecke <joern.rennecke@st.com>
3337 PR tree-optimization/17506
3338 * tree-ssa.c (warn_uninit): If warning about a location outside of
3339 the current function, note where the variable was declared.
3341 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3343 PR tree-optimization/28411
3344 * double-int.c (double_int_div): Use double_int_divmod.
3345 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3346 double_int_mod, double_int_smod, double_int_umod): New functions.
3347 * double-int.h (double_int_divmod, double_int_sdivmod,
3348 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3350 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3352 (get_computation_aff, get_computation_cost_at): Handle double_int
3353 return type of constant_multiple_of.
3355 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3358 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3359 an implicit conversion.
3361 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3363 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3365 2006-08-27 Roger Sayle <roger@eyesopen.com>
3367 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3370 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3372 * config/i386/crtfastmath.c: Fix a comment typo.
3374 2006-08-26 Roger Sayle <roger@eyesopen.com>
3376 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3377 temporary visit flags on CASE_LABEL_EXPRs.
3378 * c-common.c (match_case_to_enum): Add function comment. Avoid
3379 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3380 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3381 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3382 a constant, only warn if that constant value isn't handled.
3384 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3387 * input.h (restore_input_file_stack): Declare.
3388 (INPUT_FILE_STACK_BITS): Define.
3389 * toplev.c (fs_p, input_file_stack_history,
3390 input_file_stack_restored, restore_input_file_stack): New.
3391 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3392 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3393 (pop_srcloc): Don't free old state of stack.
3395 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3398 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3399 (PowerPC Type Attributes): New.
3401 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3403 * config/xtensa/xtensa.c (function_arg_boundary): New.
3404 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3406 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3407 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3409 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3412 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3415 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3417 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3418 (verify_local_live_at_start): Likewise.
3420 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3423 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3424 omp_add_variable): Treat sizes as variable whenever not
3427 2006-08-26 Richard Guenther <rguenther@suse.de>
3430 * fold-const.c (fold_binary): Fold temporary to correct
3431 type before constructing new comparison.
3433 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3436 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3437 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3439 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3442 * c-decl.c (start_function): Don't try to process prototype
3443 information from old declaration that isn't a function.
3445 2006-08-25 Jan Hubicka <jh@suse.cz>
3448 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3450 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3453 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3456 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3458 PR tree-optimization/16876
3459 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3460 exit if PARM doesn't match VALUE.
3462 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3464 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3465 literal_prefix directive.
3466 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3467 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3468 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3470 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3473 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3474 predicate to general_operand. Add 0->y and I->r alternatives.
3476 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3478 * doc/tm.texi: Fix a typo.
3479 * predict.c: Fix comment typos.
3481 2006-08-25 Nick Clifton <nickc@redhat.com>
3483 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3484 assertions of "cpu" and "machine".
3486 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3489 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3490 the access through a base which has an alias set of 0 cannot
3493 2006-08-24 Bill Wendling <wendling@apple.com>
3495 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3497 2006-08-24 Jan Hubicka <jh@suse.cz>
3499 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3501 2006-08-24 Jan Hubicka <jh@suse.cz>
3504 * cgraph.c: Fix comments.
3505 (cgraph_varpool_mark_needed_node): Mark only variables not already
3507 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3508 (cgraph_varpool_assembled_nodes_queue): New static variable.
3509 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3510 (cgraph_varpool_output_debug_info): New function.
3511 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3512 * Makefile.in: Add gt-cgraphunit.h
3514 2006-08-24 Jan Hubicka <jh@suse.cz>
3516 * predict.c (probability_reliable_p): New predicate.
3517 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3518 (predict_loops): Do not predict loop exit with less than 2%
3520 * basic-block.h (edge_probability_reliable_p,
3521 br_prob_note_reliable_p): Declare.
3522 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3523 prediction when static predictor is not reliable.
3524 * rs6000.c (output_cbranch): Likewise.
3526 2006-08-23 Stuart Hastings <stuart@apple.com>
3529 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3530 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3532 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3535 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3536 complex values, nor for generic vector values.
3538 2006-08-22 Richard Guenther <rguenther@suse.de>
3541 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3542 parameter. Convert arguments to arithmetic expression to the
3544 (analyze_scalar_evolution_1): Adjust caller.
3546 2006-08-22 Jan Hubicka <jh@suse.cz>
3548 Patch by Paolo Bonzini
3549 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3552 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3554 PR tree-optimization/28003
3555 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3556 before grouping aliases.
3558 2006-08-22 Roger Sayle <roger@eyesopen.com>
3560 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3561 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3563 2006-08-21 Jason Merrill <jason@redhat.com>
3566 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3567 wrapper. Loop to handle nested wrappers.
3568 (gimplify_bind_expr): Remove temp parameter.
3569 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3570 and STATEMENT_LIST on the rhs.
3571 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3572 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3573 (gimplify_target_expr): Remove special BIND_EXPR handling.
3575 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3577 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3580 2006-08-21 Olivier Hainque <hainque@adacore.com>
3582 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3583 Arrange for the temporary captures of components overlapping the lhs
3584 to happen before the lhs is possibly cleared.
3586 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3588 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3589 necessary places to pass the correct "number of registers" values
3592 2006-08-20 Jan Hubicka <jh@suse.cz>
3594 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3595 (create_name_tags): Instead of quadratic checking use hashtable.
3596 * bitmap.h: Include hashtab.h.
3597 (bitmap_hash): Declare.
3598 * bitmap.c (bitmap_hash): New function.
3600 2006-08-20 Jan Hubicka <jh@suse.cz>
3602 PR rtl-optimization/28071
3603 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3605 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3606 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3607 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3608 cgraph_decide_inlining_incrementally): Update use of
3609 cgraph_check_inline_limits.
3610 * cgraph.c (edge_hash, edge_eq): New function.
3611 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3612 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3613 cgraph_remove_node): Maintain call site hash.
3614 * cgraph.h (struct cgraph_node): Add call_site_hash.
3615 (cgraph_set_call_stmt): New function.
3617 2006-08-20 Jan Hubicka <jh@suse.cz>
3619 PR rtl-optimization/28071
3620 * reload1.c (reg_has_output_reload): Turn into regset.
3621 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3622 choose_reload_regs, emit_reload_insns): Update to new
3623 reg_has_output_reload.
3625 2006-08-20 Jan Hubicka <jh@suse.cz>
3628 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3629 function body sizes.
3630 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3632 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3635 * tree.c (handle_dll_attribute): Return early if not a
3636 var or function decl.
3638 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3641 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3642 alignment of SPE vector types.
3644 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3646 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3648 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3651 * cgraph.h (struct cgraph_node): Remove externally_visible
3653 * cgraphunit.c (process_function_and_variable_attributes): Set
3654 local.externally_visible rather than externally_visible.
3657 * c-common.c (handle_externally_visible_attribute): First look
3658 at TREE_CODE and only if it is function or var decl, check for
3659 non-public objects. Don't warn for DECL_EXTERNAL.
3660 * cgraphunit.c (process_function_and_variable_attributes): Warn
3661 if externally_visible attribute is used on non-public object.
3663 2006-08-17 Jan Hubicka <jh@suse.cz>
3665 PR tree-optimization/27865
3666 * reload1.c (forget_marked_reloads): New function.
3667 (forget_old_reloads_1): When data are passed, just mark the registers
3669 (reload_as_needed): Use the new mechanizm.
3671 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3674 * reload.h (reg_equiv_alt_mem_list): New declaration.
3675 * reload1.c (reg_equiv_alt_mem_list): New definition.
3676 (reload): Initialize it and release it.
3677 (delete_output_reload): Use it.
3678 * reload.c (push_reg_equiv_alt_mem): New function.
3679 (find_reloads_toplev): Call it.
3680 (find_reloads_address, find_reloads_address_1): Likewise.
3681 (find_reloads_subreg_address): Likewise.
3683 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3685 PR rtl-optimization/28489
3686 * sched-ebb.c (begin_schedule_ready): Create basic block
3688 (advance_target_bb): Skip empty blocks.
3689 * haifa-sched.c (bb_note): Make global.
3690 * sched-int.h (bb_note): Add prototype.
3692 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3694 PR tree-optimization/27865
3695 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3697 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3698 fold_used_pointer, pointer_used_p): New functions.
3699 (analyze_scalar_evolution_1): Use fold_used_pointer.
3700 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3701 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3704 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3707 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3708 or the INTEGER_CST. Fail on a CALL_EXPR.
3709 (fold_offsetof): Pass new argument to fold_offsetof_1.
3710 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3711 operand into an INDIRECT_REF.
3712 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3714 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3716 PR gcov/profile/26570
3717 * value-prof.c (static_values): Removed.
3718 (tree_find_values_to_profile): Do not set static_values.
3719 (find_values_to_profile): Do not free static_values.
3720 * profile.c (instrument_values): Do not free the values.
3721 (branch_prob): Free the values.
3723 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3725 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3727 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3730 * c-typeck.c (build_component_ref): Combine qualifiers of
3731 structure or union and field.
3733 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3735 PR rtl-optimization/28071
3736 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3737 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3738 * tree-into-ssa.c (struct dom_dfsnum): New.
3739 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3741 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3742 compute_global_livein.
3743 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3744 in phi nodes in the correct blocks.
3746 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3748 PR tree-optimization/28364
3749 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3751 (fold_affine_expr): New function.
3752 (may_eliminate_iv): Use fold_affine_expr.
3754 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3757 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3760 2006-08-16 Mike Stump <mrs@apple.com>
3762 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3763 * doc/cppopts.texi (-MD): Likewise.
3765 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3768 * c-common.c (handle_weak_attribute): Ignore and warn if
3769 not a FUNCTION_ or VAR_DECL.
3771 2006-07-15 Mike Stump <mrs@apple.com>
3774 * c-parser.c (c_parser_typeof_specifier): Don't use
3775 c_finish_expr_stmt, open code desired semantics instead.
3777 2006-08-15 Nick Clifton <nickc@redhat.com>
3779 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3780 fragment to tmake_file only if threads are enabled.
3781 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3782 * config/i386/t-gthr-win32: New file. ... here.
3784 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3787 * c-parser.c (c_parser_compound_statement_nostart): Reset
3788 parser->error after each statement.
3790 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3793 * omp-low.c (lower_omp_parallel): Convert t to
3794 receiver_decl's type.
3795 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3796 source before comparison.
3799 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3800 to itype in assignment to oldival2.
3802 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3806 * c-typeck.c (build_compound_expr): If the second expression
3807 is an error mark, then just return an error mark instead of
3808 creating a COMPOUND_EXPR.
3810 2006-07-14 Mike Stump <mrs@apple.com>
3812 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3814 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3816 * c-decl.c, var-tracking.c: Fix comment typos.
3818 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3820 PR rtl-optimization/28634
3821 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3822 for floating-point modes unless flag_unsafe_math_optimizations.
3824 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3825 Andrew Pinski <pinskia@physics.uc.edu>
3828 * tree.c (build_array_type): Unify array types with
3829 unspecified index_type.
3830 * c-decl.c (grokdeclarator): Make sure we do not modify a
3831 unified incomplete array type.
3832 * c-typeck.c (store_init_value): Create distinct type before
3833 filling in the index type in an initializer from a compound
3836 * c-decl.c (grokdeclarator): Remove code where we copy the
3839 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3841 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3842 into account for TODO_dump_cgraph.
3843 (TODO_update_ssa_no_phi): Likewise.
3844 (TODO_update_ssa_full_phi): Likewise.
3845 (TODO_update_ssa_only_virtuals): Likewise.
3846 (TODO_remove_unused_locals): Likewise.
3847 (TODO_set_props): Likewise.
3848 (TODO_update_stmt_usage): Likewise.
3850 2006-08-13 Dirk Mueller <dmueller@suse.de>
3852 * c-common.c (strict_aliasing_warning): Fix formatting.
3854 2006-08-13 Matthias Klose <doko@debian.org>
3856 * doc/invoke.texi: Fix spelling errors.
3858 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3860 PR rtl-optimization/23454
3861 * reorg.c (relax_delay_slots): Update comment.
3863 2006-08-11 Richard Guenther <rguenther@suse.de>
3866 * simplify-rtx.c (simplify_const_relational_operation):
3867 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3870 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3872 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3873 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3875 2006-08-10 Paul Brook <paul@codesourcery.com>
3877 * final.c (final_scan_insn): Clear current_insn_predicate before
3878 outputting inline asm.
3880 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3882 PR tree-optimization/26197
3883 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3884 get_ref_base_and_extent and overlap_subvar to add only relevant
3885 subvars as may-aliases.
3886 (add_may_alias_for_new_tag): New function, factored out of
3888 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3889 with additional argument.
3890 * tree-flow.h (new_type_alias): Takes additional argument.
3892 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3894 * gcov.c (no_data_file): New flag.
3895 (read_count_file): Set it if data file not present. Assume counts
3897 (output_lines): Don't name the data file, if there wasn't one.
3899 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3901 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3902 (rs6000_generate_compare): Tweak comments.
3903 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3905 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3907 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3908 (var_debug_decl): New function.
3909 (var_reg_set): Follow debug decl link. Add location even if
3910 reg is already known to hold some other variable.
3911 (var_mem_set): Follow debug decl link.
3912 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3913 decl link. Delete other known locations of the variable part
3915 (var_reg_delete, var_mem_delete): Delete other known locations
3916 of the variable part if requested.
3917 (same_variable_part_p): New function.
3918 (add_stores): Select MO_COPY when appropriate.
3919 (vt_initialize): Handle it.
3920 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3921 known locations for MO_SET and MO_CLOBBER.
3922 (find_variable_location_part): New function.
3923 (set_variable_part, delete_variable_part): Use it.
3924 (clobber_variable_part): New function.
3925 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3928 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3930 PR tree-optimization/26969
3931 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3932 with an empty list of PHIs.
3934 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3938 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3941 2006-08-06 Andreas Schwab <schwab@suse.de>
3943 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3944 string. Whitespace and comment fixup.
3946 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3949 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3953 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3956 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3958 2006-08-04 Jan Hubicka <jh@suse.cz>
3962 * reload.c (push_reload): Patch out the mismatching instruction;
3964 (find_reload): Bail out if the instruction was patched out.
3966 2006-08-04 Jan Hubicka <jh@suse.cz>
3968 PR tree-optimization/24888
3969 * tree-inline.c (expand_call_inline): Do not re-record variables.
3970 (declare_inline_vars): Add variable to unexpanded_var_list.
3972 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3973 Roger Sayle <roger@eyesopen.com>
3975 PR rtl-optimization/26244
3976 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3977 inner_const are negative or greater than or equal to the bitsize of
3978 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3979 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3980 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3981 CONST0_RTX (mode) when the new shift count is greater than or equal to
3982 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3985 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3987 * tree-cfg.c: Fix a comment typo.
3989 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3992 * varasm.c (output_constant): Give the front end another chance to
3993 expand constants, after stripping NOPs.
3995 2006-08-03 Jan Hubicka <jh@suse.cz>
3997 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4000 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4002 PR tree-optimization/27770
4003 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4004 declaration removed (moved to tree-flow.h).
4005 (vect_can_force_dr_alignment_p): Likewise.
4006 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4007 (moved from tree-vectorizer.h).
4008 (vect_can_force_dr_alignment_p): Likewise.
4009 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4010 from outside the vectorizer - in particular from cgraph stage.
4011 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4012 the alignment of global arrays when -fsection-anchors is enabled.
4013 * cgraphunit.c (cgraph_increase_alignment): New function.
4014 (cgraph_optimize): Call cgraph_increase_alignment.
4016 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4019 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4020 not reload a SPE symbol_ref into a lo_sum address.
4022 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4025 * dwarf2out.c (prune_unused_types_prune): Move call to
4026 prune_unused_types_update_strings to cover the parent DIE also.
4028 2006-08-02 Jan Hubicka <jh@suse.cz>
4030 PR gcov/profile/28480
4031 * tree-cfg.c (change_bb_for_stmt): New function.
4032 (tree_merge_blocks, tree_split_blocks): Use it.
4034 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4040 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4041 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4042 (cgraph_optimize): Likewise.
4044 2006-08-01 Stuart Hastings <stuart@apple.com>
4046 * rtl.h (UINTVAL) New.
4047 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4048 * testsuite/gcc.dg/20060801-1.c: New.
4050 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4053 * c-typeck.c (build_external_type): Mark used enum types.
4054 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4056 (gen_subprogram_die): Whitespace fix.
4058 2006-08-01 Jan Hubicka <jh@suse.cz>
4060 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4061 bitmap when not needed.
4062 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4065 2006-08-01 Dirk Mueller <dmueller@suse.de>
4067 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4069 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4071 * Makefile.in: Revert part of previous patch:
4072 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4075 2006-07-30 Eric Christopher <echristo@apple.com>
4078 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4079 (PowerPC Variable Attributes): New section.
4081 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4083 PR target/28126 (partial fix)
4084 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4086 2006-07-28 Jan Hubicka <jh@suse.cz>
4088 PR rtl-optimization/28071
4089 * cfgrtl.c (rtl_delete_block): Free regsets.
4090 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4092 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4094 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4095 and variables used in dependencies.
4097 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4099 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4100 %fs for -mcmodel=kernel.
4101 (stack_tls_protect_test_di): Likewise.
4103 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4105 * Makefile.in: Use mkinstalldirs.
4107 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4110 * opts-common.c (prune_options): Skip joined switches.
4112 2006-07-27 Jan Hubicka <jh@suse.cz>
4114 PR rtl-optimization/28071
4115 * cselib.c (cselib_process_insn): Don't remove useless values too
4116 often for very large hashtables.
4118 2006-07-27 Jan Hubicka <jh@suse.cz>
4120 PR rtl-optimization/28071
4121 * global.c (greg_obstack): New obstack.
4122 (allocate_bb_info): Use it.
4123 (free_bb_info): Likewise.
4124 (modify_reg_pav): Likewise.
4126 2006-07-27 Roger Sayle <roger@eyesopen.com>
4128 * builtins.c (fold_fixed_mathfn): When long and long long are the
4129 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4130 functions to their lceil*, lfloor*, lround* and lrint* forms.
4132 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4135 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4137 (rev_branch_insn): Likewise.
4139 2006-07-27 Jan Hubicka <jh@suse.cz>
4141 PR rtl-optimization/28071
4142 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4143 (reg_set_in_bb, max_reg_computed): New static variables.
4144 (regmove_optimize): Free the new array.
4145 (fixup_match_1): Update call of reg_is_remote_constant_p.
4147 2006-07-26 Jan Hubicka <jh@suse.cz>
4149 PR tree-optimization/27882
4150 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4152 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4154 (cgraph_analyze_compilation_unit): Likewise.
4155 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4156 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4157 (cgraph_early_inlinine): Make order garbage collected.
4158 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4160 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4162 * dbxout.c (output_types_sort): Add a comment.
4163 (output_used_types): Free the VEC.
4165 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4167 * function.c (reorder_fix_fragments): Delete.
4168 (reorder_blocks): Don't call it.
4169 (reorder_blocks_1): Put all subblocks under the origin block.
4171 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4173 PR rtl-optimization/27907
4174 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4177 2006-07-25 Roger Sayle <roger@eyesopen.com>
4180 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4181 bar(x) check that bar's result type can represent all the values of T.
4183 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4185 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4187 2006-07-25 Nick Clifton <nickc@redhat.com>
4189 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4190 size_lookup[] array.
4191 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4192 (ggc_pch_count_object): Likewise.
4193 (ggc_pch_alloc_object): Likewise.
4194 (ggc_pch_write_object): Likewise.
4195 (init_ggc): Do not attempt to initialize entries in the
4196 size_lookup[] array for objects whose size is greater than than
4197 the length of the array.
4199 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4201 * dbxout.c (output_used_types_helper): Push queued types
4203 (output_types_sort): New.
4204 (output_used_types): Collect used types on a VEC and sort them
4207 2006-07-24 Richard Guenther <rguenther@suse.de>
4210 * cgraph.c (cgraph_remove_node): Do not check if dumps
4212 * cgraphunit.c (cgraph_optimize): Likewise.
4214 2006-07-24 Jan Hubicka <jh@suse.cz>
4216 PR rtl-optimization/28071
4217 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4218 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4219 splitting before first stmt.
4221 2006-07-24 Jan Hubicka <jh@suse.cz>
4223 PR rtl-optimization/28071
4224 * ipa-inline.c (update_caller_keys): Remove edges that
4225 are no longer inline candidates.
4227 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4230 * dbxout.c (output_used_types_helper, output_used_types): New.
4231 (dbxout_symbol): Call output_used_types.
4233 2006-07-23 Jan Hubicka <jh@suse.cz>
4237 * cgraph.c (cgraph_varpool_nodes): Export.
4238 (decide_is_variable_needed): Ignored "used" attribute in
4239 unit-at-a-time mode.
4240 * cgraph.h (cgraph_varpool_nodes): Declare.
4241 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4242 unit-at-a-time mode.
4244 2006-07-23 Roger Sayle <roger@eyesopen.com>
4247 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4248 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4249 the __gthrw form of thr_keycreate.
4250 (__gthread_key_delete): Silence the unused argument warning.
4252 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4255 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4256 Cache the last found '\0' marker to avoid quadratic behavior.
4258 2006-07-23 Jan Hubicka <jh@suse.cz>
4260 * i386.md (subsi_3_zext): Fix output template.
4262 2006-07-21 Mike Stump <mrs@apple.com>
4264 * doc/invoke.texi (C++ Dialect Options): Note that
4265 -fvisibility-inlines-hidden doesn't affect explicitly
4266 instantiationed inline methods.
4268 2006-07-20 Roger Sayle <roger@eyesopen.com>
4270 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4271 if the target assembler is GNU binutils' gas.
4272 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4273 whether to pass GNU gas or native as command line options.
4275 2006-07-20 Jason Merrill <jason@redhat.com>
4277 * tree.c (remove_attribute): New fn.
4278 * tree.h: Declare it.
4280 2006-07-20 Paul Brook <paul@codesourcery.com>
4283 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4284 they are invalidated by this instruction.
4286 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4289 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4291 2006-07-20 Eric Christopher <echristo@apple.com>
4294 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4296 2006-07-19 Eric Christopher <echristo@apple.com>
4298 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4299 Rewrite dependencies for libgcc_s.1.dylib.
4301 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4303 * except.c (duplicate_eh_regions_1): Clear next_peer.
4305 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4307 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4308 -mlongcall does not guarantee all calls will be long.
4309 * doc/extend.texi (long_call/short_call): Document that longcall
4310 does not guarantee a long call will be used.
4311 (longcall/shortcall): Likewise.
4313 2006-07-18 Roger Sayle <roger@eyesopen.com>
4316 * expmed.c (expand_shift): Additionally check that the shift_cost
4317 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4318 before implementing a LSHIFT_EXPR as a sequence of additions.
4319 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4320 middle-end that DImode shifts need to be synthesized by expand.
4322 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4325 * tree-ssa-operands.c (access_can_touch_variable): Update
4327 Return true if ALIAS is .GLOBAL_VAR.
4329 2006-07-18 David Daney <ddaney@avtrex.com>
4331 * gcc.c (display_help): Fix typo in help text.
4333 2006-07-18 Olivier Hainque <hainque@adacore.com>
4335 * tree.h (categorize_ctor_elements): Adjust prototype and add
4336 descriptive comment, both in accordance with the interface change
4338 * varasm.c (constructor_static_from_elts_p): New function.
4339 Whether a constructor node is a valid static constant initializer
4340 if all its elements are.
4341 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4342 * output.h: Declare it.
4343 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4344 is a valid constant initializer instead of computing the number of
4345 non-constant elements. Use constructor_static_from_elts_p for this
4346 purpose. Replace the head comment with an indication that this is a
4347 helper for categorize_ctor_elements.
4348 (categorize_ctor_elements): Same interface change as for the _1
4349 helper. Former head comment from this helper moved here, adjusted to
4350 account for the interface changes.
4351 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4352 (all_zeros_p): Likewise.
4353 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4354 static versions of the constructor from the categorize_ctor_elements
4355 return value instead of the formerly computed number of non-constant
4358 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4360 * configure: Regenerate.
4361 * Makefile.in (build_libsubdir): New configure substitution
4362 (build_libobjdir): New variable.
4363 (BUILD_LIBIBERTY): Use it.
4365 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4368 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4370 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4373 * c-common.c (handle_weakref_attribute): Ignore attribute in
4374 the same conditions the alias attribute is ignored.
4376 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4378 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4379 (dbxout_begin_prologue): Increment scope_labelno.
4381 2006-07-17 Richard Henderson <rth@redhat.com>
4384 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4387 2006-07-17 Roger Sayle <roger@eyesopen.com>
4388 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4390 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4391 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4392 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4393 functions such as sbrk, write, etc.. Add function prototypes.
4394 Convert function declarations from K&R to ISO C. Cast pointers
4395 to "long" and "unsigned long" instead of "int" and "unsigned int".
4396 Convert tokens following #endif into comments.
4398 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4400 * invoke.texi: Remove mention of f77; Reformat table for
4401 inline parameter options correctly; mention that -malign-double
4402 is default on x86-64 targets.
4404 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4406 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4407 (convert_affine_scev, chrec_convert_aggressive): Use
4408 avoid_arithmetics_in_type_p. Do not check for the subtypes
4411 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4414 * optabs.c (expand_doubleword_shift): Wrap the call to
4415 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4417 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4420 * optabs.c (expand_binop): Pass next_methods rather than methods
4421 to expand_doubleword_shift.
4423 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4426 * tree.h (dump_addr): Declare.
4427 * print-tree.c (dump_addr): New function.
4428 (print_node_brief, print_node): Use it.
4429 * print-rtl.c (print_rtx): Likewise.
4430 * common.opt (-fdump-noaddr): New option.
4431 * doc/invoke.texi (-fdump-noaddr): Document.
4432 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4433 (ve_info_hash): Likewise.
4435 2006-07-13 Andrew Haley <aph@redhat.com>
4437 PR tree-optimization/19505
4438 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4439 edge leaving this block, make sure that the destination of this
4440 block has only one predecessor.
4442 2006-07-17 Richard Guenther <rguenther@suse.de>
4444 PR tree-optimization/28238
4445 * tree-inline.c (copy_bb): Check if we produced valid
4446 gimple copying and substituting a stmt. If not, gimplify
4449 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4451 * optabs.c (maybe_encapsulate_block): New function extracted from...
4452 (emit_libcall_block): ...here. Invoke it on the block of insns to
4453 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4454 (emit_no_conflict_block): Likewise.
4456 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4458 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4460 2006-07-15 Roger Sayle <roger@eyesopen.com>
4462 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4463 a new NOP_EXPR case of the switch statement.
4465 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4468 * stor-layout.c (place_field): Take the bit field with
4469 an excessive size into account in the ms-bitfiled case.
4472 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4473 the previous bit field.
4475 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4478 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4480 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4482 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4483 signal frames correctly even when the signal was installed with
4486 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4488 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4489 (dbxout_function_end): Use local label LFBB. Remove hook
4491 (dbxout_source_line): Use local label LFBB.
4492 (dbxout_block): Likewise.
4493 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4494 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4495 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4496 and DBX_OUTPUT_NFUN.
4498 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4500 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4502 2006-07-13 Jan Hubicka <jh@suse.cz>
4504 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4506 * output.h (align_variable): Declare.
4507 * varasm.c (align_variable): Export.
4508 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4509 when basic block changed.
4511 2006-07-13 Nick Clifton <nickc@redhat.com>
4513 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4514 walking the LOG_LINKS chain.
4516 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4518 * doc/invoke.texi (C++ Dialect Options): Explain difference
4519 between -fvisibility-inlines-hidden and setting hidden
4520 visibility explicitly.
4522 2006-07-12 Eric Christopher <echristo@apple.com>
4524 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4525 (stmp-lipo): Depend on libgcc.a.
4527 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4529 * tree.c: Fix a comment typo.
4531 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4533 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4535 (umulhisi3_r): Likewise.
4537 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4540 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4541 x < 19, vs wchar_t support.
4543 2006-07-12 Nick Clifton <nickc@redhat.com>
4545 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4546 instead of -isa=sh4.
4548 2006-07-12 Mike Stump <mrs@apple.com>
4550 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4552 2006-07-10 Eric Christopher <echristo@apple.com>
4554 * config/t-slibgcc-darwin: Rewrite.
4556 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4559 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4562 2006-07-08 Matthias Klose <doko@debian.org>
4564 * doc/sourcebuild.texi: Fix typo.
4566 2006-07-07 Mike Stump <mrs@apple.com>
4568 * toplev.c (process_options): Don't give -ffunction-sections may
4569 affect debugging warning for Mach-O.
4571 2006-07-07 James E Wilson <wilson@specifix.com>
4573 * config/mips/mips.md (cpu): Add sb1a.
4574 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4575 addition to sb1. Adjust comments to clarify SB-1A differences from
4577 (ir_sb1a_load): New. Modify bypasses to use it.
4578 (ir_sb1a_simple_alu): Likewise.
4579 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4580 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4581 (mips_issue_rate): Add PROCESSOR_SB1A.
4582 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4583 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4584 (TARGET_SB1): Add PROCESSOR_SB1A check.
4585 (TUNE_SB1): Likewise.
4587 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4588 * config/mips/mips.c (mips_store_data_bypass_p): New.
4589 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4590 store_data_bypass_p.
4592 2006-07-08 Paul Brook <paul@codesourcery.com>
4595 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4597 2006-07-07 Richard Guenther <rguenther@suse.de>
4600 * tree.h (build_one_cst): Declare.
4601 * tree.c (build_one_cst): New function.
4602 * tree-ssa-math-opts.c (get_constant_one): Remove.
4603 (insert_reciprocals): Use build_one_cst.
4604 * fold-const.c (fold_plusminus_mult): Likewise.
4606 2006-07-07 Roger Sayle <roger@eyesopen.com>
4608 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4609 * cfgloopanal.c (dump_graph): Likewise.
4610 * dojump.c (discard_pending_stack_adjust): Likewise.
4611 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4613 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4614 * function.c (finalize_block_changes): Likewise.
4615 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4616 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4617 * rtl.c (dump_rtx_statistics): Likewise.
4618 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4620 * varray.c (dump_varray_statistics): Likewise.
4621 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4622 decode_decimal64, encode_decimal128, decode_decimal128,
4623 decimal_real_to_decimal): Likewise.
4625 2006-07-07 Richard Guenther <rguenther@suse.de>
4627 PR tree-optimization/28187
4628 * tree-vrp.c (vrp_operand_equal_p): New function.
4629 (vrp_bitmap_equal_p): Likewise.
4630 (update_value_range): Use them to compare old and new
4633 2006-07-06 Roger Sayle <roger@eyesopen.com>
4635 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4636 a default case to switch statement to silence compiler warnings.
4638 2006-07-06 Roger Sayle <roger@eyesopen.com>
4641 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4642 the configured assembler supports the x87's ffreep mnemonic.
4643 * configure: Regenerate.
4644 * config.in: Regenerate.
4646 * config/i386/i386.c (output_387_ffreep): New function.
4647 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4648 (output_387_reg_move): Likewise.
4650 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4652 Port to hosts whose 'sort' and 'tail' implementations
4653 treat operands with leading '+' as file names, as POSIX
4654 has required since 2001. However, make sure the code still
4655 works on pre-POSIX hosts.
4656 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4657 which says you should use "tail -c +N" rather than "tail +Nc".
4658 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4660 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4662 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4665 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4668 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4669 PRE_{INC,DEC} of TFmode.
4671 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4672 Alan Modra <amodra@bigpond.net.au>
4675 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4678 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4681 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4682 Remove duplicate gtu.
4684 2006-07-05 Jason Merrill <jason@redhat.com>
4688 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4689 * c-common.c (handle_packed_attribute): So don't copy it here.
4690 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4692 2006-07-05 Mike Stump <mrs@apple.com>
4694 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4696 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4699 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4701 2006-07-05 Richard Guenther <rguenther@suse.de>
4704 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4705 TARGET_SSE2 targets if using SSE math.
4706 (*absdf2_1): Likewise.
4708 2006-07-05 Richard Guenther <rguenther@suse.de>
4710 PR tree-optimization/28162
4711 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4712 make sure to convert the operands to the correct type.
4714 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4716 PR tree-optimization/28218
4718 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4719 to calculate and free the dominator information.
4721 2006-07-04 Peter O'Gorman <peter@pogma.com>
4723 * mklibgcc.in: chmod 644 before ranlib during install.
4725 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4726 J"orn Rennecke <joern.rennecke@st.com>
4728 * configure.ac (.eh_frame data check): Use diff -b.
4730 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4733 * Makefile.in (BUILD_RTL): Add build/vec.o.
4734 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4735 (build/genextract): Delete.
4736 (build/genautomata): Likewise.
4738 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4741 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4742 128-bit IBM long doubles for ABI_V4.
4744 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4746 * tree.c (range_in_array_bounds_p): New predicate.
4747 * tree.h (range_in_array_bounds_p): Declare it.
4748 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4749 return a less conservative answer.
4750 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4751 and flag 'is_group'.
4752 (IS_ELEMENT_FOR_GROUP): New macro.
4753 (FOR_EACH_ACTUAL_CHILD): Likewise.
4754 (next_child_for_group): New helper function.
4755 (can_completely_scalarize_p): Take into account groups.
4756 (sra_hash_tree): Handle RANGE_EXPR.
4757 (sra_elt_eq): Likewise.
4758 (lookup_element): Be prepared for handling groups.
4759 (is_valid_const_index): Delete.
4760 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4761 instead of is_valid_const_index.
4762 <ARRAY_RANGE_REF>: New case.
4763 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4764 is_valid_const_index.
4765 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4766 (scan_dump): Dump info for groups too.
4767 (decide_instantiation_1): Likewise.
4768 (decide_block_copy): Assert that the element is not a group.
4769 Propagate decision to groups.
4770 (generate_one_element_ref): Handle RANGE_EXPR.
4771 (mark_no_warning): Iterate over actual childs.
4772 (generate_copy_inout): Likewise.
4773 (generate_element_copy): Likewise.
4774 (generate_element_zero): Likewise.
4775 (generate_element_init_1): Likewise.
4776 (dump_sra_elt_name): Handle RANGE_EXPR.
4778 2006-07-03 Roger Sayle <roger@eyesopen.com>
4780 PR tree-optimization/26251
4781 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4782 (thread_block): When optimizing for size refuse to thread jumps
4783 that would require duplication of blocks other than redirection
4786 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4788 * configure.ac: Fix thinko in previous check-in.
4789 * configure: Regenerate.
4791 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4794 * configure.ac (for lang...): Simplify nesting of conditionals.
4795 Test subdir_requires for non-enabled languages. Move processing
4796 of lang_opt_files and lang_tree_fiels below that test.
4797 * configure: Regenerate.
4798 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4800 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4802 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4804 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4806 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4809 2006-06-29 Jason Merrill <jason@redhat.com>
4816 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4817 * c-common.c (c_determine_visibility): Handle it here.
4818 * c-decl.c (finish_decl): Call c_determine_visibility for
4820 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4822 * varasm.c (default_assemble_visibility): Likewise.
4823 * c-common.c (handle_visibility_attribute): Complain about trying
4824 to give visibility to an already defined class, or trying to change
4825 declared visibility. Always attach the attribute.
4830 * attribs.c (decl_attributes): Ignore type-in-place attributes
4831 once the type has been defined.
4833 2006-06-29 Roger Sayle <roger@eyesopen.com>
4836 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4837 to indicate the cpplib has issued an error message for us.
4839 2006-06-29 Asher Langton <langton2@llnl.gov>
4842 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4843 insert a label at the end of an function under Mach-O.
4845 2006-06-29 Eric Christopher <echristo@apple.com>
4846 Evan Cheng <evan.cheng@apple.com>
4848 * predicates.md (vector_all_ones_operand): New.
4849 (nonimmediate_or_sse_const_operand): Ditto.
4850 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4851 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4852 (standard_sse_mode_p): Ditto.
4853 (standard_sse_constant_p): Add case for -1 vector.
4854 (ix86_expand_vector_move): Try to use.
4855 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4856 Call standard_sse_constant_opcode.
4857 (*movv4sf_internal): Ditto.
4858 (*movv2df_internal): Ditto.
4860 2006-06-29 Roger Sayle <roger@eyesopen.com>
4862 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4863 of XEXP to extract the operands of a MATCH_CODE rtx.
4865 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4867 * tree.c (tree_size): Do not waste tail padding in
4868 struct tree_string and make the size be the same as
4869 build_string will generate.
4871 2006-06-28 Jason Merrill <jason@redhat.com>
4874 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4875 may_aliases already in the tag's annotations to the bitmap.
4877 2006-06-28 Roger Sayle <roger@eyesopen.com>
4879 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4881 2006-06-28 Roger Sayle <roger@eyesopen.com>
4883 * genpreds.c (generate_switch_p): New function.
4884 (add_mode_tests): Push the new mode test down inside an AND expr
4885 if this allows the switch-suitable MATCH_CODE to be near the root.
4886 (write_match_code_switch): New function to write a MATCH_CODE as
4888 (write_predicate_stmts): New function to write a predicate RTX
4889 expression as a sequence of statements.
4890 (write_one_predicate_function): Use write_predicate_stmts.
4891 (write_tm_constrs_h): Likewise.
4893 2006-06-26 Fred Fish <fnf@specifix.com>
4895 * config/mips/t-sb1: New file.
4896 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4899 2006-06-26 DJ Delorie <dj@redhat.com>
4901 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4903 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4904 Jayant Sonar <jayants@kpitcummins.com>
4905 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4907 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4908 (subsi3, subsi3_1, subsi3_2): New.
4909 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4910 * config/m32c/mov.md (SI mov peephole): New.
4911 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4912 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4914 2006-06-26 Olivier Hainque <hainque@adacore.com>
4916 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4917 a CALL_EXPR target function declaration.
4919 2006-06-26 Richard Guenther <rguenther@suse.de>
4921 * tree.c (build_string): Do not waste tail padding in
4924 2006-06-26 Richard Guenther <rguenther@suse.de>
4926 * ggc-page.c (init_ggc): Add missing element to size_lookup
4930 2006-06-23 Richard Guenther <rguenther@suse.de>
4932 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4933 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4934 alignment requests instead. Add verification code.
4935 Add struct tree_function_decl and struct tree_binfo size to
4936 extra_order_size_table. Add missing element to size_lookup
4939 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4942 * fold-const.c (const_binop): Be prepared for self returning zero.
4943 Simplify code handling complex values.
4945 2006-06-24 Olivier Hainque <hainque@adacore.com>
4947 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4948 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4951 2006-06-24 Olivier Hainque <hainque@adacore.com>
4953 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4954 ARRAY_REF, so have the callback called for the low bound expression.
4956 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4958 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4959 * c-typeck.c (c_common_type): Disallow operations on decimal float
4960 types and other float types.
4961 * convert.c (convert_to_real): Don't ignore conversions involving
4962 decimal float types.
4964 2006-06-23 Olivier Hainque <hainque@adacore.com>
4966 * tree.c (max_int_size_in_bytes): New function, inspired from
4967 code in function.c:assign_temp.
4968 * tree.h (max_int_size_in_bytes): Declare.
4969 * function.c (assign_temp): Use it.
4970 * gimplify.c (create_tmp_var): Relax the assertions on the type
4971 properties, not mandating constant size any more.
4972 (force_constant_size): New static function.
4973 (gimple_add_tmp_var): Use it, forcing variable size to a
4974 constant upper bound if it is not constant on entry.
4976 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4979 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4980 for initialization and setting of one_only flag to ...
4981 (i386_pe_encode_section_info): ...here.
4982 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4983 Recheck that the symbol has not been defined.
4985 2006-06-23 Richard Guenther <rguenther@suse.de>
4987 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4988 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4989 alignment requests instead. Add verification code.
4990 Add struct tree_function_decl and struct tree_binfo size to
4991 extra_order_size_table. Add missing element to size_lookup
4994 2006-06-22 Roger Sayle <roger@eyesopen.com>
4995 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4998 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4999 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5001 2006-06-23 Ben Elliston <bje@au.ibm.com>
5003 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5004 negate dn -- manipulate it directly.
5006 2006-06-22 Roger Sayle <roger@eyesopen.com>
5007 Steven Bosscher <stevenb.gcc@gmail.com>
5010 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5011 generated by gen_move_insn to add REG_LABEL notes if necessary.
5013 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5015 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5016 (leaf_entry): Remove use of MIN_ESA.
5018 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5020 PR rtl-optimization/28121
5021 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5024 2006-06-21 DJ Delorie <dj@redhat.com>
5026 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5028 (mulhisi3_r): Likewise.
5030 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5033 * coverage.c (coverage_counter_alloc): Leave the index type
5035 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5038 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5040 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5041 section from the "Options for Code Generation Conventions".
5043 2006-06-21 Richard Henderson <rth@redhat.com>
5047 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5049 (global_symbolic_operand): Allow weak symbols, even if local_p.
5051 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5053 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5054 (find_interesting_uses_address): Punt if above function returns true.
5056 2006-06-21 Richard Guenther <rguenther@suse.de>
5058 * configure: Regenerated.
5060 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5062 * config/mips/mips.c (function_arg): Where one part of a
5063 complex argument is in registers and the other part in the stack,
5064 return a REG not a PARALLEL.
5066 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5068 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5069 when cross-compiling. Do not substitute libstdcxx_incdir.
5070 * configure: Regenerated.
5072 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5074 * varasm.c (mergeable_string_section): Check for embedded NULs and
5075 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5076 rather than TREE_STRING_LENGTH bytes.
5078 2006-06-21 Richard Guenther <rguenther@suse.de>
5080 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5081 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5084 2006-06-21 Richrad Guenther <rguenther@suse.de>
5086 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5087 Limit iteration over the dominators.
5089 2006-06-20 Roger Sayle <roger@eyesopen.com>
5091 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5092 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5094 2006-06-20 Richard Guenther <rguenther@suse.de>
5095 Michael Matz <matz@suse.de>
5097 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5099 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5100 * et-forest.h (et_free_pools): Prototype new function.
5101 * et-forest.c (et_free_tree_force): Free parent occurrence.
5102 (et_free_pools): New function.
5103 * dominance.c (free_dominance_info): Free et-forest alloc
5106 2006-06-20 Roger Sayle <roger@eyesopen.com>
5108 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5109 integer modes, attempt to directly construct an integer constant.
5111 * fold-const.c (native_encode_vector): Determine the size of each
5112 element from the vector type instead of the first vector element.
5114 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5115 if all of its elements/components are constant.
5116 (build_constructor_from_list): Likewise.
5118 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5120 PR tree-optimization/27331
5121 * tree-data-ref.c (free_data_ref): New function.
5122 (create_data_ref): Fail if the data reference has unknown access
5124 (free_data_refs): Use free_data_ref.
5126 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5129 * tree-inline.c (setup_one_parameter): Strip useless
5130 type conversion before adding it to the IR.
5131 (declare_return_variable): Likewise.
5133 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5136 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5138 2006-06-19 Mike Stump <mrs@apple.com>
5140 * tree.c (variably_modified_type_p): VM arguments don't make the
5143 2006-06-19 Richard Guenther <rguenther@suse.de>
5145 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5146 type conversions after folding.
5148 2006-06-19 Richard Guenther <rguenther@suse.de>
5150 * ggc-page.c (extra_order_size_tab): Add entries with
5151 size of struct function and basic_block.
5152 (size_lookup): Extend to cover sizes up to 511.
5153 (ggc_alloc_stat): Adjust user.
5154 (ggc_pch_count_object): Likewise.
5155 (ggc_pch_alloc_object): Likewise.
5156 (ggc_pch_write_object): Likewise.
5158 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5160 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5161 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5164 2006-06-19 Denis Chertykov <denisc@overta.ru>
5166 * config/avr/libgcc.S : Correct my wrong previous commit.
5168 2006-06-19 Roger Sayle <roger@eyesopen.com>
5171 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5172 have stripped a SUBREG from the shift count, so we may need to
5173 convert_to_mode back to the type's mode before calling make_tree.
5174 Use new_amount instead of amount to avoid expanding a tree twice.
5176 2006-06-19 Richard Guenther <rguenther@suse.de>
5179 * fold-const.c (operand_equal_p): Check if the argument types
5180 have the same precision before stripping NOPs.
5182 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5184 Fix PR tree-optimization/27341
5185 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5187 * tree-complex.c (pass_lower_complex): Update SMT usage.
5189 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5191 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5192 Add a new alternative to the constraint strings. Add move of
5193 operand 1 to 3 to the splitter definition.
5194 ("doloop_si_long"): Second contraint alternative removed.
5196 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5198 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5199 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5201 (AVR_HAVE_MOVW) Define.
5202 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5203 (ASM_SPEC): Add avr25.
5204 (LINK_SPEC): Add avr25.
5205 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5206 (base_arch_s): Add new member 'have_movw_lpmx'.
5207 (avr_arch_types): Init 'have_movw_lpmx'.
5208 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5209 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5210 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5211 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5212 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5214 (avr_file_start): Do not output '.arh' derective.
5215 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5216 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5217 * config/avr/avr.md (mcu_enhanced): Delete.
5218 (mcu_have_movw): Define.
5219 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5220 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5221 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5222 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5223 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5224 attiny861 and at86rf401 devices.
5226 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5228 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5231 2006-06-17 Karl Berry <karl@gnu.org>
5233 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5234 doc/gccint.texi, doc/install.texi (@dircategory): Use
5235 "Software development" instead of "Programming", following
5236 the Free Software Directory.
5238 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5240 * config/i386/i386.c (legitimate_tls_address)
5241 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5242 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5243 (*tls_dynamic_gnu2_combine_64): Likewise.
5245 2006-06-16 Richard Guenther <rguenther@suse.de>
5248 * fold-const.c (negate_expr_p): Do not introduce undefined
5249 overflow in negating INTEGER_CSTs.
5250 (fold_negate_expr): Rename from negate_expr. Revert last
5251 change for folding BIT_NOT_EXPR. Change semantics to
5252 return NULL_TREE for non-simplified negations. Do not
5253 strip type conversions and unify type handling.
5254 (negate_expr): New function, wrap around fold_negate_expr
5255 but ensure building a tree always. Strip type conversions
5256 here, fold to result type.
5257 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5259 2006-06-16 Roger Sayle <roger@eyesopen.com>
5262 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5263 that (would) return their results in stack registers.
5265 2006-06-16 Michael Matz <matz@suse.de>
5266 Richard Guenther <rguenther@suse.de>
5268 * fold-const.c (fold_truthop): Only return new tree node if
5269 we canonicalized something.
5271 2006-06-16 Richard Guenther <rguenther@suse.de>
5273 * function.h (enum function_frequency): Move declaration
5274 out of struct function.
5275 (struct function): Move bool fields and the enum to the bitfield
5276 section. Reorder elements to avoid padding. Remove unused
5277 fields left over from the RTL inliner removal.
5278 * function.c (free_after_compilation): Do not zero removed fields.
5279 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5280 (ipa-type-escape.o): Likewise.
5282 2006-06-16 Richard Guenther <rguenther@suse.de>
5284 * cgraph.h (struct cgraph_local_info): Turn bool elements
5286 (struct cgraph_node): Likewise.
5287 (struct cgraph_varpool_node): Likewise.
5289 2006-06-15 Richard Guenther <rguenther@suse.de>
5291 * fold-const.c (fold_truth_not_expr): Rename from
5292 invert_truthvalue. Give it fold_* semantics to avoid
5294 (invert_truthvalue): New function. Wrapper around
5295 fold_truth_not_expr.
5296 (optimize_minmax_comparison): Avoid creating garbage.
5297 (fold_unary): Use fold_truth_not_expr for folding
5299 (fold_ternary): Replace uses of invert_truthvalue with
5300 fold_truth_not_expr where applicable.
5301 * tree.h (fold_truth_not_expr): Prototype.
5303 2006-06-16 Richard Guenther <rguenther@suse.de>
5305 PR tree-optimization/27781
5306 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5307 * ipa-pure-const.c (target.h): Include.
5308 (analyze_function): Do not analyze functions that do not
5311 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5314 * tree-dfa.c (referenced_vars_dup_list): Remove.
5315 (find_referenced_vars): Remove assert.
5316 (referenced_var_check_and_insert): Replace dup list with assert.
5317 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5318 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5320 2006-06-15 Richard Guenther <rguenther@suse.de>
5322 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5323 extra unused identifiers if not dumping.
5324 (create_variable_info_for): Likewise.
5326 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5328 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5329 (derive_constant_upper_bound): Derive more precise upper bound in
5330 common cases. Return type changed to double_int.
5331 (record_estimate): Reflect the changed return type of
5332 derive_constant_upper_bound.
5333 * double-int.c (double_int_zext, double_int_sext): Fix.
5335 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5337 * configure.ac (CFLAGS): Get them from the toplevel or from the
5338 configure invocation.
5339 * configure: Regenerate.
5340 * Makefile.in (CFLAGS): Substitute value provided by configure.
5342 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5345 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5346 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5347 rather than calling add_stmt on it.
5348 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5350 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5353 * reload1.c (reload): Remove registers returned by update_eliminables
5354 from used_spill_regs.
5356 2006-06-13 DJ Delorie <dj@redhat.com>
5358 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5360 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5362 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5363 html__strip_dir, html__mkdir_p. Enhance install-html target.
5364 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5365 * configure: Regenerate.
5367 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5369 * fold-const.c (fold_cond_expr_with_comparison): Check for
5370 Objective-C++ as language in deciding COND_EXPR transformation.
5372 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5375 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5376 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5377 * config/sh/lib1funcs.h (SL, SL1): Define.
5378 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5379 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5380 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5381 (OBJS_Os_4_200): New variable.
5382 ($(T)libgcc-Os-4-200.a): Use it.
5383 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5384 when dividing 1 and/or by 0.
5386 2006-06-13 Roger Sayle <roger@eyesopen.com>
5388 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5389 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5390 * configure: Regenerate.
5392 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5394 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5395 for real instruction.
5397 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5400 * haifa-sched.c (check_cfg): Handle special case.
5402 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5405 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5406 Add debug_info parameter. Chain the vars to the BLOCK instead
5407 of the BIND_EXPR if debug info are requested for them.
5408 (pop_gimplify_context): Adjust for above change.
5409 (gimple_add_tmp_var): Likewise.
5410 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5412 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5413 (convert_local_reference): Likewise.
5414 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5415 (finalize_nesting_tree_1): Request that debug info be emitted
5416 for debug_var_chain.
5418 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5420 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5421 for PR target/27863.
5423 2006-06-13 Richard Guenther <rguenther@suse.de>
5426 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5428 2006-06-13 Richard Guenther <rguenther@suse.de>
5430 PR tree-optimization/27830
5431 * tree-inline.c (copy_body_r): For copying the operand
5432 of an ADDR_EXPR make sure to fold &* afterwards.
5434 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5436 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5437 lvalues in the fb_none case with side-effects.
5439 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5441 * tree-flow.h: Remove the prototype for
5442 compute_phi_arg_on_exit.
5443 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5444 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5447 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5449 * builtins.c (expand_builtin_return_addr): Only use
5450 frame_pointer_rtx when count == 0 and we are expanding
5451 __builtin_return_address.
5453 2006-06-12 Fred Fish <fnf@specifix.com>
5455 * config/mips/mips.c (mips_file_start): Create special section
5456 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5458 2006-06-11 Eric Christopher <echristo@apple.com>
5461 * stor-layout.c (place_field): Remove check for
5462 remaining_in_alignment when aligning at the end of a run.
5464 2006-06-11 Eric Christopher <echristo@apple.com>
5467 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5470 2006-06-11 Roger Sayle <roger@eyesopen.com>
5473 Revert incorrect fix for PR target/27158
5474 2006-05-08 Roger Sayle <roger@eyesopen.com>
5475 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5476 of a reg_equiv_constant if the result is a legitimate constant.
5478 2006-06-11 Roger Sayle <roger@eyesopen.com>
5481 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5482 extract a CONST_VECTOR element and interpret it as an integer.
5483 (vspltis_constant): Use const_vector_elt_as_int instead of the
5484 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5485 * config/rs6000/predicates.md (easy_vector_const): Consider
5486 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5488 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5491 * stor-layout.c (update_alignment_for_field): Don't add extra
5492 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5495 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5497 * config/mips/t-rtems: Add EL/EB multilib variants.
5499 2006-06-09 Mike Stump <mrs@apple.com>
5501 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5503 2006-06-09 David Daney <ddaney@avtrex.com>
5505 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5507 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5509 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5511 2006-06-09 Richard Guenther <rguenther@suse.de>
5513 PR tree-optimization/26998
5514 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5515 of signed types, only TYPE_MIN_VALUE is special, but for both,
5516 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5517 in this case, as is -fwrapv.
5519 2006-06-08 Mike Stump <mrs@apple.com>
5522 * config/darwin.c (darwin_asm_output_anchor): Disable
5523 -fsection-anchors on darwin for now.
5524 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5525 * rs6000/rs6000.c (optimization_options): Likewise.
5527 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5530 * config/i386/i386.c (classify_argument): Skip fields with invalid
5533 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5535 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5536 (cse_insn): Likewise for the stack_pointer_rtx.
5538 2006-06-08 Roger Sayle <roger@eyesopen.com>
5540 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5541 conditions from floating point comparisons.
5543 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5546 * expmed.c (struct alg_hash_entry): Fix type of field T
5547 to match synth_mult argument.
5548 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5550 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5553 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5556 2006-06-08 Richard Guenther <rguenther@suse.de>
5559 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5560 only, if overflow is defined and not trapping.
5561 (negate_expr): Likewise.
5563 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5565 PR tree-optimization/27872
5566 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5567 flag on the new exit edge of the unrolled loop.
5569 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5571 PR rtl-optimization/26449
5572 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5574 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5577 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5578 referenced_variables with matching DECL_UID's.
5579 (find_referenced_vars): Make sure duplicate list is empty to start.
5580 (referenced_var_p): Remove.
5581 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5582 Check if var is in the list, and add if needed. Update the duplicate
5583 list if a different var is in the list with the same DECL_UID.
5584 (add_referenced_var): Call routine to check and insert.
5585 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5586 * tree-flow.h (referenced_vars_dup_list): External declaration.
5588 2006-06-07 Fred Fish <fnf@specifix.com>
5590 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5593 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5596 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5597 the imaginary and real parts of a clobbered register.
5598 Emit insn to set the imaginary part.
5600 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5602 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5603 in lieu of unwind-dw2-fde.c.
5605 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5607 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5609 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5612 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5613 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5614 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5615 V4SImode temporaries and operations instead.
5617 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5619 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5622 2006-06-06 Mike Stump <mrs@apple.com>
5624 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5625 installing during build.
5627 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5629 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5631 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5632 * config/ia64/ia64.c (params.h): New header.
5633 (ia64_optimization_options): New function to adjust parameters.
5634 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5635 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5636 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5638 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5640 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5642 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5645 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5647 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5648 Victor Kaplansky <victork@il.ibm.com>
5650 PR tree-optimization/26360
5651 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5654 2006-06-04 Roger Sayle <roger@eyesopen.com>
5655 Andrew Pinski <pinskia@physics.uc.edu>
5658 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5659 for LABEL_DECL before calling DECL_WEAK.
5662 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5663 LABEL_DECL and PARM_DECL.
5665 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5669 * c-decl.c (grokdeclarator): Disallow variably modified types at
5670 file scope. Avoid marking shared array type of constant size as
5673 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5676 * c-common.c (fold_offsetof_1): Handle static members.
5678 2006-06-04 Eric Christopher <echristo@apple.com>
5680 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5681 (debug_rli): Output value for remaining_in_alignment.
5682 (update_alignment_for_field): Unconditionalize
5683 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5684 extra alignment code.
5685 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5686 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5687 * tree.h (record_layout_info_s): Remove prev_packed.
5688 * doc/extend.texi (ms_struct): Add documentation of format.
5690 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5692 * tree.h: Declare folding_initializer.
5693 * builtins.c (fold_builtin_constant_p): Give definite answer
5694 if folding inside an initializer.
5695 * fold-const.c: Define folding_initializer.
5696 (START_FOLD_INIT): Save and then set folding_initializer.
5697 (END_FOLD_INIT): Restore folding_initializer.
5699 2006-06-04 Richard Guenther <rguenther@suse.de>
5701 PR tree-optimization/27039
5702 * fold-const.c (fold_comparison): Handle pointer comparison
5703 again for all comparison codes. Compare offsets in signed
5705 (fold_binary): Move code from here.
5707 2006-06-03 Roger Sayle <roger@eyesopen.com>
5710 * config/i386/i386.c (construct_container): Split static issued_error
5711 flag into issued_sse_arg_error, issued_sse_ret_error and
5712 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5713 requires the use of x87 registers and the user explicitly
5714 specified the -mno-80387 command line option.
5716 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5718 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5719 HAVE_DECL_SIGALTSTACK.
5721 (segv_handler): Use MC_FLD.
5722 * configure.ac: Check for a sigaltstack declaration.
5723 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5724 * configure: Regenerate.
5725 * config.in: Regenerate.
5727 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5730 * Makefile.in (stmp-fixinc): Fix typo.
5732 2006-06-02 Roger Sayle <roger@eyesopen.com>
5734 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5735 are type correct. Clean-up.
5736 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5737 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5739 2006-06-01 DJ Delorie <dj@redhat.com>
5741 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5742 shift, as we've disabled the "switch" insn that needs it.
5744 2006-06-01 Per Bothner <bothner@bothner.com>
5746 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5747 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5748 * c-ppoutput.c (cb_define): Don't increment line 0.
5750 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5752 * doc/invoke.texi: Add cpu_type power6.
5753 * config.gcc: Add cpu_type power6.
5754 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5755 to power5+ with Altivec.
5756 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5757 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5759 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5761 * config/avr/avr.h (SET_ASM_OP): Define.
5763 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5765 * config/bfin/bfin.c: Fix comment typos.
5767 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5770 * doc/install.texi: Document --enable-bootstrap and
5771 --disable-bootstrap.
5773 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5775 * doc/install.texi: Document that InfoZIP can replace jar.
5777 2006-05-31 Roger Sayle <roger@eyesopen.com>
5779 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5780 isn't available, directly generate the simpler x87 patterns without
5781 the (use (const_int 0)).
5782 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5783 implementation isn't available.
5784 (*negdf2_1): Likewise.
5785 (*negxf2_1): XF mode negation is always done using the x87.
5786 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5788 2006-05-31 Roger Sayle <roger@eyesopen.com>
5790 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5791 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5793 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5795 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5797 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5798 * config/bfin/bfin.c (basic-block.h): Include.
5799 (struct machine_function): New.
5800 (bfin_init_machine_status): New.
5801 (override_options): Initialize init_machine_status.
5802 (bfin_hardware_loop): New.
5803 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5804 (DEF_VEC_P (loop_info)): New.
5805 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5806 (struct loop_info): New.
5807 (loop_info): New typedef.
5808 (struct loop_work): New.
5809 (loop_work): New typedef.
5810 (DEF_VEC_O (loop_work)): New.
5811 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5812 (bfin_dump_loops): New.
5813 (bfin_bb_in_loop): New.
5814 (bfin_scan_loop): New.
5815 (bfin_optimize_loop): New.
5816 (bfin_reorg_loops): New.
5817 (bfin_reorg): Use bfin_reorg_loops.
5818 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5820 (I_REGNO_P): Simplify.
5821 (DP_REGNO_P, DPREG_P): New macros.
5822 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5823 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5824 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5825 Add LT_REGS, LC_REGS, LB_REGS.
5826 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5828 (REGNO_REG_CLASS): Deal with loop registers.
5829 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5831 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5832 New constants for loop registers.
5833 (UNSPEC_LSETUP_END): New.
5834 (seq_insns): New define_attr. Set it for appropriate insns.
5835 (movsi_insn): Add alternatives for move from/to
5836 loop count registers.
5837 (doloop_end): New define_expand.
5838 (loop_end): New define_insn.
5839 (define_split for bad doloop_end): New.
5840 (lsetup_with_autoinit): New define_insn.
5841 (lsetup_without_autoinit): New define_insn.
5842 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5843 * config/bfin/predicates.md (lc_register_operand): New.
5844 (lt_register_operand): New.
5845 (lb_register_operand): New.
5846 (nondp_register_operand): New.
5847 (nondp_reg_or_memory_operand): New.
5848 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5850 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5852 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5853 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5855 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5857 * Makefile.in (CATALOGS): Add po/ prefix.
5858 * configure: Regenerated.
5860 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5863 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5864 a shift operand before calling shift_op. Avoid redundant call of
5867 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5868 DJ Delorie <dj@redhat.com>
5870 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5871 we're inserting is a singlt-bit constant.
5873 2006-05-30 Roger Sayle <roger@eyesopen.com>
5875 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5876 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5878 2006-05-30 Roger Sayle <roger@eyesopen.com>
5880 PR tree-optimization/23452
5881 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5882 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5883 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5884 complex values and with -ffast-math for FP complex values.
5886 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5888 * c-common.h: Remove the prototype for yyparse.
5889 * rtl.h: Remove the prototype for init_loop.
5891 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5893 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5896 2006-05-30 Roger Sayle <roger@eyesopen.com>
5898 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5900 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5901 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5903 2006-05-30 Dirk Mueller <dmueller@suse.de>
5906 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5907 for CONSTANT_CLASS_P expresisons.
5909 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5912 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5914 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5916 PR tree-optimization/27779
5917 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5918 initial_condition instead of CHREC_LEFT.
5920 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5922 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5923 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5924 Make prototypes ISO C90.
5926 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5927 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5929 * see.c (see_analyze_one_def): Correct check.
5930 (see_get_extension_data): Check if extension is parallel.
5931 (see_get_extension_reg): Likewise.
5933 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5936 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5937 into register for (code == GTU).
5939 2006-05-29 Roger Sayle <roger@eyesopen.com>
5941 PR tree-optimization/24964
5942 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5943 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5944 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5945 abs(x)*abs(x) as x*x for scalar floating point modes.
5947 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5950 * lambda-code.c (perfect_nestify): Don't copy statements
5951 in the inner loop: move them to the inner loop header.
5953 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5956 * c-tree.texi: Document OpenMP directives and clauses.
5958 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5960 * varasm.c (globalize_decl): Fix indentation.
5962 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5965 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5966 pass_fre, pass_store_ccp, pass_copy_prop,
5967 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5968 pass_return_slot, pass_object_size, pass_lim,
5969 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5970 pass_loop_prefetch and pass_stdarg.
5972 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5974 * config/bfin/bfin.opt (mfdpic): New option.
5975 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5976 (EXTRA_MULTILIB_PARTS): Likewise.
5977 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5978 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5980 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5981 (CRT_CALL_STATIC_FUNCTION): New.
5982 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5984 (CRT_CALL_STATIC_FUNCTION): New.
5985 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5987 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5988 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5989 (initialize_trampoline): Changed to handle FD-PIC code generation.
5990 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5991 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5992 (override_options): Disallow -mid-shared-library -mfdpic combination.
5993 Can't do unaligned ops if FD-PIC.
5994 Turn off flag_pic if trying to generate non-id-shared-library
5995 non-fdpic code, since it's not supported.
5996 (bfin_assemble_integer): New function.
5997 (TARGET_ASM_INTEGER): Define.
5998 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6000 * config/bfin/crtn.s: Restore them.
6001 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6003 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6004 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6005 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6006 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6007 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6009 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6010 FDPIC_REGS and FDPIC_FPTR_REGS.
6011 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6012 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6013 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6014 (load_funcdescsi): New pattern.
6015 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6016 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6017 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6019 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6021 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6024 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6026 * tree-flow.h: Remove the prototype for add_type_alias.
6027 * tree-ssa-alias.c (add_type_alias): Remove.
6029 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6031 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6032 config/fr30/fr30.md, config/i386/i386-interix.h,
6033 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6034 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6035 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6036 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6037 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6038 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6039 Follow spelling conventions.
6040 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6041 Follow spelling conventions.
6043 2006-05-27 Richard Guenther <rguenther@suse.de>
6046 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6047 to produce a constant of value 1 of generic type.
6049 2006-05-27 Dirk Mueller <dmueller@suse.de>
6051 * cgraphunit.c (decide_is_function_needed): Fix wrong
6054 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6056 PR rtl-optimization/27661
6057 * reload.c (find_reloads): When reloading a VOIDmode constant
6058 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6059 use Pmode as mode of the reload register.
6061 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6063 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6064 is enabled at -O and above.
6066 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6069 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6072 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6075 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6076 for anonymous variables explicitly declared by front ends.
6078 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6080 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6081 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6082 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6083 ref-all pointers, run a finalization pass for them.
6084 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6085 (finalize_ref_all_pointers): New function.
6086 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6087 regular pointer type to a ref-all pointer type.
6088 (get_tmt_for): Return the special memory tag for ref-all pointers.
6090 2006-05-25 Richard Guenther <rguenther@suse.de>
6093 * fold-const.c (fold_binary): Do not look at the stripped
6094 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6096 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6098 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6099 for LT and GT if the computed range is effectively empty.
6101 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6104 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6105 mips_quad_format formats instead of ieee_single_format,
6106 ieee_double_format and ieee_quad_format formats, respectively.
6108 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6110 PR tree-optimization/27639
6111 PR tree-optimization/26719
6112 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6113 call to scev_probably_wraps_p.
6114 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6115 used_in_pointer_arithmetic_p, convert_step): Removed.
6116 (nowrap_type_p): New function.
6117 (scev_probably_wraps_p): Rewritten.
6118 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6119 chrec_convert if chrec_convert_aggressive might have been used.
6120 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6121 scev_direction): New functions.
6122 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6123 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6124 instead of convert_step.
6125 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6126 (convert_step): Declaration removed.
6127 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6129 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6131 * df-core.c: Added to header comments.
6132 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6133 df_ur_bb_info, df_urec_bb_info): Added comments.
6134 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6135 urec, ri problems): Fixed header comments.
6136 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6137 code from df_rd_transfer_function.
6139 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6141 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6142 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6143 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6145 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6147 * expr.c (undefined_operand_subword_p): New.
6148 (emit_move_multi_word): Do not generate move from undefined bits
6149 of a paradoxical subreg.
6151 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6153 PR rtl-optimization/27736
6154 * combine.c (replaced_rhs_value): New variable.
6155 (combine_instructions): Set it.
6156 (distribute_notes): When distributing a note in replaced_rhs_insn,
6157 check whether the value was used in replaced_rhs_value.
6159 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6162 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6163 add_referenced_var instead of add_referenced_tmp_var.
6164 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6165 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6167 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6168 tree_optimize_tail_calls_1): Use add_referenced_var.
6169 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6170 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6171 Use add_referenced_var.
6172 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6173 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6174 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6175 Use add_referenced_var.
6176 * tree-dfa.c (struct walk_state): Remove.
6177 (find_referenced_vars): Remove walk state and vars_found hash table.
6178 (make_rename_temp): Use add_referenced_var.
6179 (find_vars_r): Pass less parameters to add_referenced_var.
6180 (referenced_var_p): New. Is var in referenced_var hash table.
6181 (referenced_var_insert): Assert var isn't already in hash table.
6182 (add_referenced_var): Don't need walk_state parameter. Add var if it
6183 isn't already in the hash table.
6184 (add_referenced_tmp_var): Remove.
6185 (find_new_referenced_vars_1): Use add_referenced_var.
6186 * tree-ssa-pre.c (create_expression_by_pieces,
6187 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6188 Use add_referenced_var.
6189 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6190 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6191 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6193 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6194 vect_create_data_ref_ptr, vect_create_destination_var,
6195 vect_init_vector, vect_build_loop_niters,
6196 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6197 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6198 Use add_referenced_var.
6199 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6200 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6201 (add_referenced_var): Add prototype.
6202 * tree-ssa-structalias.c (get_constraint_for,
6203 intra_create_variable_infos): Use add_referenced_var.
6205 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6207 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6208 big-endian paradoxical subregs.
6209 * var-tracking.c (struct micro_operation_def): Document that,
6210 for modify micro operations, insn is the subsequent instruction.
6211 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6212 (var_reg_set, var_mem_set): ... new functions.
6213 (add_stores): Record subsequent insn.
6214 (compute_bb_dataflow): Use new functions for MO_USE.
6215 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6216 notes after the insn, and modify notes before the insn known
6217 to be the subsequent one.
6218 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6220 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6223 * config/i386/i386.c (ix86_expand_builtin): Use
6224 gen_sse3_monitor64 for TARGET_64BIT.
6226 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6228 PR rtl-optimization/26375
6229 PR rtl-optimization/26855
6230 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6232 (df_ru_bb_local_compute): Reversed statements and removed bogus
6233 comment explaining why they should be in wrong order.
6234 (df_ru_dump, df_rd_dump): Enhanced debug info.
6235 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6237 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6238 reaching uses and fixed space problem.
6240 2006-05-23 Jan Hubicka <jh@suse.cz>
6242 * cgraphunit.c (decide_is_function_needed): Also nested functions
6243 and functions declared inline can be optimized out at -O0.
6245 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6247 * doc/install.texi (Configuration): Remove reference to CrossGCC
6251 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6254 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6255 ix86_compare_emitted is non-NULL.
6257 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6260 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6263 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6265 PR rtl-optimization/25514
6266 * combine.c (replaced_rhs_insn): New variable.
6267 (combine_instructions): Set replaced_rhs_insn when trying to replace
6268 a SET_SRC with a REG_EQUAL note.
6269 (distribute_notes): Use replaced_rhs_insn when determining the live
6270 range of a REG_DEAD register.
6272 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6273 Anatoly Sokolov <aesok@post.ru>
6275 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6276 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6277 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6278 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6279 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6280 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6281 at90usb647, at90usb1286 and at90usb1287 devices.
6282 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6283 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6285 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6287 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6289 2006-05-22 Richard Guenther <rguenther@suse.de>
6292 2006-01-31 Richard Guenther <rguenther@suse.de>
6293 Paolo Bonzini <bonzini@gnu.org>
6295 * doc/install.texi (--disable-libgcc-math): Document.
6297 2006-05-22 Richard Guenther <rguenther@suse.de>
6300 2006-01-31 Richard Guenther <rguenther@suse.de>
6302 * doc/invoke.texi (-msselibm): Document.
6303 * target.h (expand_library_builtin): New target hook.
6304 * builtins.c (expand_builtin): Use expand_library_builtin.
6305 (default_expand_library_builtin): New function.
6306 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6307 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6308 (link_gcc_math_spec): Declare.
6309 (static_specs): Add link_gcc_math_spec.
6310 * expr.h (default_expand_library_builtin): Declare.
6311 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6312 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6313 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6314 * config/i386/i386.opt (msselibm): New target option.
6315 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6316 (ix86_init_sse_abi_builtins): New function.
6317 (ix86_expand_library_builtin): Likewise.
6318 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6319 (override_options): Handle error conditions wrt -msselibm.
6320 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6321 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6322 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6325 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6328 * c-common.c (self_promoting_args_p): Skip erroneous args.
6331 * c-decl.c (finish_struct): Skip erroneous fields.
6333 2006-05-22 Nick Clifton <nickc@redhat.com>
6335 * config/cris/cris.opt (march): Remove VarExists attribute.
6336 (max-stackframe=): Likewise.
6338 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6340 * doc/rtl.texi: Fix a typo.
6341 * see.c: Fix comment typos.
6343 * tree-ssa-structalias.h (alias_info): Remove num_references.
6345 2006-05-21 Mike Stump <mrs@apple.com>
6347 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6349 (darwin_pragma_options): Use BAD instead.
6350 (darwin_pragma_unused): Likewise.
6351 (darwin_pragma_ms_struct): Likewise.
6353 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6355 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6357 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6359 PR rtl-optimization/27671
6360 * simplify-rtx.c (simplify_relational_operation_1): Fix
6361 simplifications of (eq/ne (xor x y) y) and
6362 (eq/ne (xor x y) x).
6364 PR tree-optimization/26622.
6365 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6368 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6370 * tree-cfg.c: Prune whitespace.
6371 (debug_tree_cfg): Point to correct header containing the
6374 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6377 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6379 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6382 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6383 or sorry count is non zero.
6385 2006-05-20 Andreas Schwab <schwab@suse.de>
6387 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6389 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6390 Kenneth Zadeck <zadeck@naturalbridge.com>
6392 PR rtl-optimization/26855
6394 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6396 (df_scan_alloc): Added code to properly handle multiword hard
6397 registers and add all_blocks parameter.
6398 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6399 code to properly handle multiword hard registers.
6400 (df_rescan_blocks): Added code to remove deleted blocks from
6402 (df_ref_create_structure, df_ref_record): Added code to properly
6404 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6405 and set DF_REF_PARTIAL.
6406 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6407 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6408 (df_scan_add_problem): Added flags parameter.
6409 (df_ref_create_structure): Changed switching structure.
6410 (df_bb_refs_record): Fixed case where duplicate artificial refs
6411 were created. Changed location of flags.
6412 (df_record_entry_block_defs): Added code to make stack pointer
6413 live in entry block. Refined cases where frame pointer is needed.
6414 Changed location of flags.
6415 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6416 (df_set_state): Removed function.
6417 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6418 df_insn_create_insn_record, df_insn_refs_delete,
6419 df_ref_create_structure): Formatting changes.
6420 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6421 df_delete_basic_block): New function.
6422 (df_init): Changed location of flags.
6423 (df_add_problem): Added flags parameter and the way flags are
6425 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6426 debug_df_chain): Improved debugging output.
6427 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6428 (df_refs_chain_dump): Removed df parameter.
6429 (df_iterative_dataflow): Added consistency check.
6430 (df_prune_to_subcfg): Made public.
6431 (df_analyze_problem): Added blocks_to_init parameter and made
6433 (df_ref_record, df_bb_refs_record, df_mark_reg,
6434 df_record_exit_block_uses): Whitespace changes.
6435 (df_dump): Whitespace changes.
6436 * df.h: Some reordering to remove forward references.
6437 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6438 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6439 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6440 (dataflow.flags): New field.
6441 (df.flag): Deleted field.
6442 (df_alloc_function): Added additional bitmap parameter.
6443 (df_dependent_problem_function): New type.
6444 (df_problem.changeable_flags): New field.
6445 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6446 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6447 (df_mw_hardreg): New struct.
6448 (DF_INSN_UID_MWS): New macro.
6449 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6451 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6452 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6453 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6454 (df_set_state): Removed function.
6455 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6456 * df-problems.c (df_chain_dump): Removed df parameter.
6457 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6458 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6460 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6461 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6462 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6463 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6464 DF_REF_MUST_CLOBBER cases.
6465 (df_ru_bb_local_compute_process_def,
6466 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6467 df_lr_bb_local_compute, df_ur_bb_local_compute,
6468 df_chain_create_bb): Made subreg aware.
6469 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6470 df_lr_bb_local_compute, df_lr_bb_local_compute,
6471 df_chain_create_bb): Cleanup to use proper macros.
6472 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6473 code to fixup bitvectors.
6474 (df_ri_alloc): Cleared lifetime.
6475 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6476 df_create_unused_note): New function.
6477 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6478 REG_DEAD and REG_UNUSED notes as well as register information.
6479 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6480 df_chains_dump): Fixed crash if problem was never run.
6481 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6482 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6483 df_ri_add_problem): Processes flags in uniform manner.
6484 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6485 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6486 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6487 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6488 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6489 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6490 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6491 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6492 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6493 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6494 * see.c (see_initialize_data): Ditto.
6495 * final.c (rest_of_clean_state) Added regstack_completed.
6496 * rtl.h (regstack_completed): Ditto.
6497 * reg-stack.c (regstack_completed): Ditto.
6499 2006-05-19 Mike Stump <mrs@apple.com>
6501 * c-tree.h (default_conversion): Remove.
6502 * c-common.h (default_conversion): Add.
6504 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6506 * tree-vrp.c (valid_value_p): New function.
6507 (adjust_range_with_scev): Fail if the value of bound is not
6510 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6512 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6513 (mips_fallback_frame_state): Use syscall numbers to determine
6514 the appropriate li instruction for the current ABI. Only use
6515 __NR_sigreturn for o32.
6517 2006-05-19 Nicolas Setton <setton@adacore.com>
6519 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6520 * langhooks.c (lhd_dwarf_name): New function.
6521 * langhooks-def.h (lhd_dwarf_name): Declare.
6522 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6523 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6524 * ada/misc.c (gnat_dwarf_name): New function.
6525 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6527 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6529 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6531 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6532 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6533 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6534 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6535 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6536 determine the size of Wtype, etc.
6537 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6538 (swfloatfuncs): New variable.
6539 (dwfloatfuncs): Likewise.
6540 (lib2funcs): Remove floating-point conversion functions from
6541 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6542 the set of conversion routines needed. Allow entries to specify
6543 an object name, filename and word size. Update users accordingly.
6544 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6545 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6549 2006-02-08 Roger Sayle <roger@eyesopen.com>
6552 * config/fixtfdi.c: New libgcc source file.
6553 * config/fixunstfdi.c: New source file.
6554 * config/floatditf.c: New source file.
6555 * config/floatunditf.c: New souce file.
6556 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6557 files above instead of config/mips/_tilib.c.
6558 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6560 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6562 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6563 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6565 2006-05-18 Mike Stump <mrs@apple.com>
6567 Fix up vla, vm and [*] sematics.
6573 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6574 (c_vla_unspec_p): Add.
6575 (c_vla_type_p): Add.
6576 * c-decl.c (struct c_scope): Add had_vla_unspec.
6577 (build_array_declarator): Add support for [*].
6578 (grokdeclarator): Likewise.
6579 (grokparms): Likewise.
6580 (get_parm_info): Likewise.
6581 * c-objc-common.c (c_vla_unspec_p): Likewise.
6582 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6583 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6584 typeof when argument is a variably modified type not inside sizeof or alignof.
6585 (c_parser_direct_declarator_inner): Propagate errors.
6586 (c_parser_sizeof_expression): Add support for [*].
6587 (c_parser_parms_declarator): Initialize had_vla_unspec.
6588 (c_parser_parms_list_declarator): Likewise.
6589 * c-typeck.c (c_vla_type_p): Add.
6590 (composite_type): Add support for vla compositing.
6591 (comptypes_internal): Add support for vla compatibility.
6592 (c_expr_sizeof_expr): Evaluate vla arguments.
6593 * tree.c (variably_modified_type_p): Update comment for [*].
6595 2006-05-18 Michael Matz <matz@suse.de>
6598 * config.host: Make assignments to host_xmake_file cumulative.
6599 * config.host (*-darwin*): Test $host, not $target.
6601 2006-05-12 Stuart Hastings <stuart@apple.com>
6603 * config/i386/i386.opt (-mstackrealign): New flag.
6604 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6605 (ix86_handle_cconv_attribute): Emit error when
6606 force_align_arg_pointer attribute collides with too many regparms.
6607 (ix86_function_regparm): Limit regparms when used with
6608 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6609 Support stack-realigning prologue in non-main functions. Emit
6610 warning for nested functions under -mstackrealign, emit error for
6611 nested functions with force_align_arg_pointer attribute.
6612 * doc/extend.texi (force_align_arg_pointer): Document it.
6613 * doc/invoke.texi (-mstackrealign): Document it.
6615 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6617 PR rtl-optimization/27477
6618 * combine.c (try_combine): Don't split a parallel consisting
6619 of two sets into two individual sets if both sets reference
6622 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6624 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6625 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6627 * doc/options.texi (VarExists): Updated.
6629 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6631 * unwind-dw2.c: Add declarations for uw_update_context and
6633 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6634 detected, advance frame state and context once to skip over stub.
6636 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6640 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6641 Call rewrite_into_loop_closed_ssa only when something changed.
6642 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6643 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6644 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6645 Test for perfect_nest_p here. Fix formating.
6646 (replace_uses_equiv_to_x_with_y): Fix formating.
6647 (stmt_uses_op): Removed.
6648 (can_convert_to_perfect_nest): Removed loopivs parameter.
6649 Complete the test by checking the scalar dependences.
6650 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6653 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6656 From Dan Kegel <dank@kegel.com>:
6657 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6659 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6661 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6662 if the element type is variably modified without recursing.
6664 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6667 * tree-loop-linear.c (try_interchange_loops): Test for
6668 no data dependences.
6670 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6672 PR tree-optimization/27548
6673 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6674 range of ssa names that appear on abnormal edges.
6675 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6676 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6678 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6681 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6683 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6686 * tree.h (OMP_PARALLEL_COMBINED): Define.
6687 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6688 (new_omp_context): Add is_combined_parallel argument.
6689 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6690 new_omp_context caller.
6691 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6692 Adjust gimplify_scan_omp_clauses callers.
6693 (omp_is_private): Issue errors if iteration variable is firstprivate
6694 or reduction in the current context.
6695 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6696 on combined parallel workshare constructs.
6698 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6700 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6701 (gcc-options.o): New rule.
6703 * optc-gen.awk: Protect variables for gcc-options.o with
6704 #ifdef GCC_DRIVER/#endif.
6706 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6708 Fix PR tree-optimization/27373
6709 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6710 (forward_propagate_addr_expr): Update call.
6712 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6714 * doc/options.texi: Move the Negative option.
6716 2006-05-16 Richard Guenther <rguenther@suse.de>
6718 PR tree-optimization/22303
6719 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6721 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6722 ccp_fold did not simplify the statement.
6724 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6727 * Makefile.in (GCC_OBJS): New.
6728 (OBJS-common): Add opts-common.o.
6729 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6730 (cpp$(exeext)): Likewise.
6731 (gcc.o): Also depend on opts.h.
6732 (opts-common.o): New.
6734 * common.opt (gcoff): Add Negative(gdwarf-2).
6735 (gdwarf-2): Add Negative(gstabs).
6736 (gstabs): Add Negative(gstabs+).
6737 (gstabs+): Add Negative(gvms).
6738 (gvms): Add Negative(gxcoff).
6739 (gxcoff): Add Negative(gxcoff+).
6740 (gxcoff+): Add Negative(gcoff).
6741 * config/i386/i386.opt (m32): Add Negative(m64).
6742 (m64): Add Negative(m32).
6744 * doc/options.texi: Document the Negative option.
6746 * gcc.c: Include "opts.h".
6747 (main): Call prune_options after expandargv.
6749 * optc-gen.awk: Generate common declarations for all flag
6750 variables in options.c. Output the neg_index field.
6752 * opts.c (find_opt): Moved to ...
6753 * opts-common.c: Here. New file.
6755 * opts.h (cl_option): Add a neg_index field.
6757 (prune_options): Likewise.
6759 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6762 * omp-low.c (expand_omp_parallel): Don't assert
6763 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6764 instead search for it.
6767 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6770 2006-05-16 Andreas Schwab <schwab@suse.de>
6772 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6775 2006-05-15 Roger Sayle <roger@eyesopen.com>
6778 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6779 integer constants other than zero are only legitimate on TARGET_64BIT.
6780 <CONST_VECTOR> Only zero vectors are legitimate.
6781 (ix86_cannot_force_const_mem): Integral and vector constants can
6782 always be put in the constant pool.
6784 2006-05-16 DJ Delorie <dj@redhat.com>
6786 * crtstuff.c (__dso_handle): Set section from
6787 TARGET_LBIGCC_SDATA_SECTION if defined.
6788 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6789 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6791 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6794 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6797 2006-05-16 Ben Elliston <bje@au.ibm.com>
6799 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6801 2006-05-15 Per Bothner <per@bothner.com>
6803 * tree.c: (last_annotated_node): Use source_locus typedef.
6804 This permits bootstrapping with --enable-mapped-location.
6806 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6808 PR tree-optimization/26830
6809 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6810 (info_for_ssa_name, current_info_for_ssa_name_age,
6811 blocks_to_update): New variables.
6812 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6813 (clear_ssa_name_info, initialize_flags_in_bb,
6814 mark_block_for_update): New functions.
6815 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6816 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6817 prepare_def_site_for): Use mark_block_for_update.
6818 (mark_def_interesting): Assert that the processed block is marked in
6819 blocks_to_update. Do not take blocks argument.
6820 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6822 (rewrite_update_init_block, rewrite_update_stmt): Only process
6823 blocks with statements to rewrite.
6824 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6825 (update_ssa): Initialize and free blocks_to_update. Do not
6826 clear flags on statements. Do not use blocks bitmap.
6827 * tree.h (SSA_NAME_AUX): Removed.
6828 (struct tree_ssa_name): Removed aux field.
6829 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6831 2006-05-15 Richard Guenther <rguenther@suse.de>
6833 PR tree-optimization/27603
6834 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6835 Do computations in original type.
6837 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6839 * see.c: Code style changes such as redundant paranthesis,
6840 redundant intialization of local variables etc.
6841 (see_main): Declared now as static.
6842 * doc/invoke.texi: Update that -fsee is not enabled by
6845 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6847 * omp-low.c (check_omp_nesting_restrictions): New function.
6848 (scan_omp_1): Call it.
6851 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6852 construct, return *VAR.
6854 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6856 PR rtl-optimization/27406
6857 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6860 2006-05-14 Roger Sayle <roger@eyesopen.com>
6862 PR rtl-optimization/27538
6863 * combine.c (expand_compound_operation): Call gen_lowpart
6864 before calling simplify_shift_const.
6866 2006-05-14 Roger Sayle <roger@eyesopen.com>
6868 PR rtl-optimization/22563
6869 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6870 a fixed width bitfield, always force the intermediates into psuedos.
6872 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6875 * mkconfig.sh: Use operator = instead of == for test.
6877 2006-05-13 Nick Clifton <nickc@redhat.com>
6879 * dwarf2out.c (dbx_reg_number): Check return value from
6880 LEAF_REG_REMAP and only use it if it is valid.
6881 (multiple_reg_loc_descriptor): Likewise.
6883 2006-05-13 Richard Guenther <rguenther@suse.de>
6885 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6888 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6890 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6891 information attached to non-INSNs such as NOTEs.
6892 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6894 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6896 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6898 * config/s390/s390.md: Adjust comment describing On constraint.
6900 2006-05-11 Jan Hubicka <jh@suse.cz>
6902 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6903 to be output at -O0.
6905 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6908 * fold-const.c (size_binop): Move sanity check for arguments to
6909 the beginning of the function.
6912 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6915 2006-05-11 Richard Guenther <rguenther@suse.de>
6918 * fold-const.c (fold_unary): Handle intermediate conversion
6919 to a pointer type like intermediate conversion to an integer
6920 type in folding of (T1)(T2)var to var.
6921 Match the code to the comment in the final conversion for
6922 (T1)(T2)var to (T1)var regarding to type precision. Rather
6923 than disallow T1 being of pointer type, assert that both T1
6924 and var are of pointer type or not. Make sure not to fall
6925 over the frontends lazyness wrt array to pointer decay though.
6927 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6929 * arm.c (arm_struct_value_rtx): Delete.
6930 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6931 (arm_init_cumulative_args): Always initialize nregs to zero.
6933 2006-05-10 Richard Guenther <rguenther@suse.de>
6935 PR tree-optimization/27532
6936 * tree-object-size.c (plus_expr_object_size): Fix typo.
6938 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6941 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6942 ashrdi_const, ashrdi3): Use a scratch register.
6944 2006-05-10 Richard Guenther <rguenther@suse.de>
6946 PR tree-optimization/27302
6947 * fold-const.c (operand_equal_p): For two comparisons,
6948 try comparison of one comparison code swapped if that yields
6951 2006-05-10 Ben Elliston <bje@au.ibm.com>
6953 * tree-pretty-print.c (pretty_print_string): No need to handle
6954 '\0' as a special character.
6956 * tree.h: Include "hashtab.h".
6957 (iterative_hash_expr): Use hashval_t in its prototype.
6958 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6960 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6963 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6964 (hppa*64*-*-hpux11*): Ditto.
6965 (hppa[12]*-*-hpux11*): Ditto.
6967 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6970 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6972 2006-05-09 Michael Matz <matz@suse.de>
6974 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6975 host_extra_gcc_objs and host_xmake_file.
6976 (<*-*-linux*>): Don't overwrite host_xmake_file.
6977 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6978 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6979 (host_detect_local_cpu): Declare.
6980 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6981 * config/i386/i386.c (override_options): Handle -mtune=native
6983 * config/i386/x-i386: New file.
6984 * config/i386/driver-i386.c: New file.
6985 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6988 2006-05-09 Dirk Mueller <dmueller@suse.de>
6989 Richard Guenther <rguenther@suse.de>
6992 * fold-const.c (fold_read_from_constant_string): Relax check
6993 for matching types to matching modes.
6995 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6997 PR rtl-optimization/27335
6998 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7001 2006-05-08 Chao-ying Fu <fu@mips.com>
7002 Richard Sandiford <richard@codesourcery.com>
7004 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7005 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7006 * config/mips/mips.md (UNSPEC_SCC): New constant.
7007 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7008 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7009 (mips_emit_compare): Use it.
7010 (mips_expand_vcondv2sf): New function.
7012 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7014 Fix PR tree-optimization/27093
7015 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7016 renaming when they become not-used_alone.
7018 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7020 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7021 relocation and relocation stubs.
7023 2006-05-08 Eric Christopher <echristo@apple.com>
7025 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7028 2006-05-08 Jan Hubicka <jh@suse.cz>
7031 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7032 unused static functions are needed.
7034 2006-05-08 Roger Sayle <roger@eyesopen.com>
7037 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7038 of a reg_equiv_constant if the result is a legitimate constant.
7040 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7043 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7044 standard 80387 constants, raise the cost to prevent
7045 compress_float_constant() to generate load from memory.
7047 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7049 * config/arm/constraints.md (c): Fix a typo.
7051 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7054 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7057 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7059 (_mm_mwait): Likewise.
7061 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7063 (sse3_monitor): Make it 32bit only.
7064 (sse3_monitor64): New. 64bit monitor.
7066 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7069 * config/i386/i386.c (classify_argument): Skip fields with invalid
7072 2006-05-07 Richard Guenther <rguenther@suse.de>
7074 PR tree-optimization/27409
7075 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7076 Do not try to find zero-sized subvars.
7078 2006-05-07 Richard Guenther <rguenther@suse.de>
7080 PR tree-optimization/27136
7081 * tree-ssa-loop-niter.c (get_val_for): Correct function
7082 comment, assert requirements.
7083 (loop_niter_by_eval): Stop processing if the iterated
7084 value did not simplify.
7086 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7088 * opts.c (flag_see): remove its setting at -O3.
7090 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7092 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7093 * arm/constraints.md: New file.
7094 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7095 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7096 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7097 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7098 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7099 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7100 * arm.md: Include constraints.md.
7101 (thumb_movsi_insn): Use satisfies_constraint_J.
7102 (movhi, movqi): Use satisfies_constraint_I.
7104 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7106 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7107 for atmeg a645 device.
7109 2006-05-06 Richard Guenther <rguenther@suse.de>
7111 PR tree-optimization/27151
7112 * tree-vect-transform.c (vectorizable_condition): Punt on
7113 values that have a different type than the condition.
7115 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7118 * c-parser.c (c_parser_cast_expression): Only insert casts into
7119 hash table if pointer.
7120 * function.c (used_types_insert_helper): Rename from
7122 (used_types_insert): Call used_types_insert_helper.
7123 * function.h (used_types_insert): Accept only one argument.
7125 2006-05-05 David Edelsohn <edesohn@gnu.org>
7127 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7128 scratch with output modifier.
7130 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7133 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7134 with output modifier.
7136 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7139 * config/mips/mips.c (mips_symbolic_address_p): Return true
7140 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7141 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7143 2006-05-04 Richard Guenther <rguenther@suse.de>
7145 PR tree-optimization/14287
7146 PR tree-optimization/14844
7147 PR tree-optimization/19792
7148 PR tree-optimization/21608
7149 PR tree-optimization/27090
7150 * tree-ssa-pre.c (try_combine_conversion): New function.
7151 (compute_avail): After constructing the value-handle
7152 expression, use try_combine_conversion to combine NOP_EXPRs
7153 with previous value-handle expressions and use the result if it
7156 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7158 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7160 2006-05-04 Jan Hubicka <jh@suse.cz>
7163 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7165 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7167 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7168 that this only matches CONST_INTs. All users changed to VOIDmode
7171 * config/bfin/bfin.c: Include "optabs.h".
7172 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7174 (enum bfin_builtins): Add a number of fractional and vector builtins.
7175 (bfin_init_builtins): Likewise.
7176 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7177 (safe_vector_operand, bfin_expand_binop_builtin,
7178 bfin_expand_unop_builtin): New functions.
7179 (bfin_expand_builtin): Handle the new builtins.
7180 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7183 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7186 * Makefile.in (OBJS-common): Add see.o.
7187 (see.o): Add dependencies.
7188 * common.opt (fsee): New flag for the see optimization was added.
7189 * opts.c (flag_see): Initialized.
7190 * passes.c (init_optimization_passes, pass_see): New pass.
7191 * rtl.h (see_main): Declaration as extern.
7192 * timevar.def (TV_SEE): New.
7193 * tree-pass.h (pass_see): Declaration as extern.
7194 * invoke.texi (-fsee): Document.
7195 * recog.c (validate_simplify_insn): New function.
7196 * recog.h (validate_simplify_insn): Declaration as extern.
7197 * df-problems.c (df_chain_dump): Check for NULL.
7199 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7200 Daniel Berlin <dberlin@dberlin.org>
7202 * cfgrtl.c (insert_insn_bb_end_new): New function.
7203 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7205 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7207 * df.h (struct web_entry): Moved from web.c.
7208 (union_defs): Declaration as extern.
7209 (unionfind_root): Likewise.
7210 (unionfind_union): Likewise.
7211 * web.c (struct web_entry): Moved to df.h.
7212 (unionfind_root): Remove static declaration.
7213 (unionfind_union): Likewise.
7214 (union_defs): Likewise and generalize to use callback function.
7215 (web_main): Update arguments for union_defs function call.
7217 2006-05-04 Richard Guenther <rguenther@suse.de>
7219 PR tree-optimization/26447
7220 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7221 produce SSA_NAME copies before the store stmt to avoid
7222 breaking exception handling.
7224 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7227 * gimplify.c (omp_is_private): If var is shared in some outer context,
7228 return false instead of true. Stop searching on parallel context
7231 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7234 * coverage.c: Use get_gcov_unsigned_t() instead of
7235 unsigned_type_node all over.
7237 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7239 PR tree-optimization/27381
7240 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7241 maintain the same immediate_use links.
7242 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7243 node rather than segfaulting.
7245 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7248 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7249 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7250 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7252 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7254 Fix PR tree-optimization/26626
7255 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7257 * tree-ssa-operands.c (access_can_touch_variable): Allow
7258 typecasting through union pointers.
7260 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7263 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7264 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7265 to find if var will be a global variable even in the nested context.
7266 (omp_copy_decl): Only check for global variable at the end, it might
7267 be overridden in outer contexts.
7268 (scan_sharing_clauses): For global variables don't create a field.
7269 (lower_rec_input_clauses): Do nothing for global shared variables.
7270 Emit a barrier at the end of ILIST if there were any decls in both
7271 firstprivate and lastprivate clauses.
7272 (lower_send_clauses): Do nothing for global variables except for
7275 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7277 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7278 of the correct signedness is returned.
7280 2006-05-02 Jeff Law <law@redhat.com>
7282 PR tree-optimization/27364
7283 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7284 multiply expressions.
7286 2006-05-02 Tom Tromey <tromey@redhat.com>
7288 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7290 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7293 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7294 -mthumb -fPIC are used.
7296 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7297 Joshua Kinard <kumba@gentoo.org>
7300 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7301 with 64-bit pointers.
7303 2006-05-02 Paul Brook <paul@codesourcery.com>
7305 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7307 (create_fix_barrier): Check that a suitable barrier location is
7309 (arm_reorg): Include ftmp->address in allowable range of addresses.
7311 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7314 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7317 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7320 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7321 around RESULT_DECL for result passed by reference.
7322 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7323 * omp-low.c (use_pointer_for_field): Don't look at
7324 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7325 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7326 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7327 time or var for passing by reference for
7328 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7329 TREE_ADDRESSABLE variables when passing by reference.
7331 * omp-low.c (dump_omp_region): Fix output formatting.
7334 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7335 (expand_omp_parallel): Likewise.
7336 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7339 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7340 on statement list containing also constructors and destructors.
7341 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7344 * except.c (duplicate_eh_regions): Fix clearing of
7345 cfun->eh->region_array entries.
7347 2006-05-01 DJ Delorie <dj@redhat.com>
7349 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7351 (gcc_cv_objdump): Likewise.
7352 * configure: Regenerated.
7354 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7357 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7358 templates for case 3 and 4.
7360 2006-05-01 DJ Delorie <dj@redhat.com>
7362 * vec.c: Include bconfig.h when appropriate.
7363 * Makefile.in (build/vec.o): Adjust dependencies.
7364 * mkconfig.sh: Make sure config.h isn't used for build machine
7367 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7369 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7371 (mark_phi_for_rewrite): New function.
7372 (insert_phi_nodes_for, mark_use_interesting): Call
7373 mark_phi_for_rewrite.
7374 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7375 (update_ssa): Initialize and free phis_to_rewrite.
7377 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7379 PR rtl-optimization/27291
7380 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7381 folded to a constant.
7383 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7385 PR tree-optimization/27283
7386 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7387 not whole # of iteration descriptions.
7388 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7389 uses abnormal ssa name.
7390 (niter_for_single_dom_exit): Ditto.
7391 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7392 return just the number of iterations.
7394 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7396 PR tree-optimization/27144
7397 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7398 (record_estimate): Only record constant upper bound.
7399 (infer_loop_bounds_from_undefined): Call
7400 compute_estimated_nb_iterations just once.
7401 (proved_non_wrapping_p): Renamed to ...
7402 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7403 (convert_step_widening, scev_probably_wraps_p): Call
7404 n_of_executions_at_most instead of proved_non_wrapping_p.
7405 (substitute_in_loop_info): Do not replace values in bounds.
7406 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7409 2006-05-01 Richard Henderson <rth@redhat.com>
7412 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7413 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7416 2006-05-01 Roger Sayle <roger@eyesopen.com>
7418 * c-typeck.c (parser_build_binary_op): Don't call the function
7419 unsigned_conversion_warning to spot operand/result type overflow.
7420 (build_binary_op): Instead, call convert_and_check instead of
7421 convert to report the problem when the operands are promoted.
7422 * c-common.c (unsigned_conversion_warning): Make static.
7423 * c-common.h (unsigned_conversion_warning): Delete prototype.
7425 2006-05-01 Richard Guenther <rguenther@suse.de>
7427 PR tree-optimization/26726
7428 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7430 (find_interesting_uses_address): ... we work around here
7431 by folding INDIRECT_REFs in the substituted base.
7433 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7435 * omp-low.c (dump_omp_region): Add newlines.
7437 2006-04-30 Roger Sayle <roger@eyesopen.com>
7439 * common.opt (Woverflow): New command line option.
7440 * c-common.c (constant_expression_warning): Check warn_overflow.
7441 (overflow_waring): Pass OPT_Woverflow to warning.
7442 (unsigned_conversion_warning): Likewise.
7443 (convert_and_check): Likewise.
7444 * doc/invoke.texi: Document new command line option.
7446 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7448 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7449 TARGET_NO_FP_IN_TOC for section anchors.
7450 (optimization_options): Enable section anchors for all
7451 non-"Objective" languages.
7453 2006-04-28 Eric Christopher <echristo@apple.com>
7455 * config/darwin-c.c (darwin_ms_struct): Move this
7456 (darwin_set_default_type_attributes): and this...
7457 * config/darwin.c: ... here.
7458 * config/darwin.h (darwin_ms_struct): Declare.
7460 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7462 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7464 2006-04-28 Roger Sayle <roger@eyesopen.com>
7467 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7468 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7469 an unsigned HOST_WIDE_INT.
7470 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7472 (really_start_incremental_init): No need to call convert because
7473 bitsize_zero_node is already of type bitsizetype.
7474 (push_init_level): Extract the value of constructor_index as an
7475 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7476 (process_init_element): Likewise.
7478 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7480 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7481 value before passing to make_relative_prefix.
7483 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7486 * builtins.c (expand_builtin_memset): Expand val in original mode.
7488 2006-04-27 Eric Christopher <echristo@apple.com>
7490 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7491 with #ifndef/#endif.
7492 * config/darwin-c.c (darwin_ms_struct): New.
7493 (darwin_pragma_ms_struct): Ditto.
7494 (darwin_set_default_type_attributes): Ditto.
7495 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7496 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7497 Register ms_struct pragma.
7498 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7499 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7500 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7501 darwin_set_default_type_attributes if TARGET_MACHO.
7503 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7505 PR tree-optimization/26854
7506 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7507 * doc/tree-ssa.texi: Update immuse iterator documentation.
7508 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7509 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7510 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7511 first_safe_imm_use, next_safe_imm_use): Remove.
7512 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7513 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7514 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7515 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7516 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7517 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7518 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7519 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7520 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7521 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7522 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7523 (perfect_nestify): Use new iterator.
7524 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7526 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7527 (next_imm_name): New field in struct immediate_use_iterator_d.
7528 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7529 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7530 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7531 * tree-cfg.c (replace_uses_by): Use new iterator.
7532 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7533 * tree-ssa-operands.c (correct_use_link): Remove.
7534 (finalize_ssa_use_ops): No longer call correct_use_link.
7536 2006-04-27 Stuart Hastings <stuart@apple.com>
7538 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7539 * config/t-darwin (crt3.o): Use it.
7540 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7541 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7542 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7543 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7544 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7547 2006-04-27 Roger Sayle <roger@eyesopen.com>
7549 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7550 size, force the intermediate into a new pseudo rather instead of
7551 performing both a bitwise AND and a bitwise IOR in memory.
7553 2006-04-27 Richard Guenther <rguenther@suse.de>
7555 PR rtl-optimization/26685
7556 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7557 this one "max-flow-memory-locations".
7559 2006-04-27 Richard Guenther <rguenther@suse.de>
7561 PR tree-optimization/25148
7562 * tree-vrp.c (compare_values): Remove code dealing with
7563 comparisons against type min/max value. Honour overflow
7564 and negative constants in code dealing with comparisons
7565 of plus and minus expressions.
7566 (value_inside_range): Use fold_binary with LE_EXPR and
7567 GE_EXPR rather than compare_values.
7569 2006-04-27 Dirk Mueller <dmueller@suse.de>
7571 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7574 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7576 * basic-block.h (safe_insert_insn_on_edge): Removed.
7577 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7579 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7580 Paolo Bonzini <bonzini@gnu.org>
7583 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7584 (simplify_and_const_int): Same.
7586 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7588 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7590 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7593 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7594 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7595 cgraph_global_info_ready.
7598 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7601 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7602 either decl or init is error_mark_node.
7605 * tree-flow.h (struct omp_region): Add sched_kind.
7606 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7607 instead of extracting omp for data.
7608 (expand_omp_for): Save extracted sched_kind.
7610 2006-04-25 Roger Sayle <roger@eyesopen.com>
7612 * expmed.c (store_bit_field): Also check whether the bitsize is
7613 valid for the machine's "insv" instruction before moving the
7614 target into a pseudo for use with the insv.
7615 * config/i386/predicates.md (const8_operand): New predicate.
7616 * config/i386/i386.md (extv, extzv, insv): Use the new
7617 const8_operand predicate where appropriate.
7619 2006-04-25 DJ Delorie <dj@redhat.com>
7621 * doc/install.texi (Specific): Clarify that this is not a list of
7622 supported hosts or targets.
7624 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7626 PR rtl-optimization/26725
7627 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7628 block's BB_DIRTY flag.
7630 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7632 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7635 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7636 to print an integer.
7638 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7640 * varasm.c (align_variable): New function.
7641 (get_block_for_decl): Apply align_variable to DECL before
7642 calculating section information.
7643 (assemble_variable): Split out alignment computation.
7645 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7647 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7650 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7652 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7653 MODE_PARTIAL_INT mode.
7654 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7655 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7657 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7658 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7660 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7662 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7664 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7665 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7666 MACFLAG_IH): Likewise.
7667 (movstricthi_1): Renamed from "*movstricthi".
7668 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7669 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7670 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7671 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7672 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7673 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7674 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7675 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7676 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7677 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7678 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7679 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7680 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7681 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7682 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7684 * doc/rtl.texi (ss_ashift): Improve wording.
7686 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7688 * dwarf2out.c (verify_marks_clear): New.
7689 (prune_unused_types): Call verify_marks_clear initially, not
7692 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7694 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7695 * doc/rtl.texi: Document them.
7696 * simplify-rtx.c (simplify_unary_operation,
7697 simplify_binary_operation_1): Don't abort when we see them.
7699 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7702 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7703 * configure.ac: Completely disregard languages that are not
7705 * configure: Regenerated.
7707 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7708 Richard Guenther <rguenther@suse.de>
7710 PR tree-optimization/27236
7711 * tree-inline.c (copy_body_r): Make sure to copy
7712 TREE_THIS_VOLATILE flag.
7714 2006-04-24 Richard Guenther <rguenther@suse.de>
7717 * tree-complex.c (update_parameter_components): Don't handle
7718 unused parameters which have no default def.
7720 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7721 Richard Guenther <rguenther@suse.de>
7723 PR tree-optimization/27218
7724 * tree-inline.c (expand_call_inline): Strip useless type
7725 conversions for the return slot address.
7727 2006-04-24 Richard Guenther <rguenther@suse.de>
7729 * cfgloop.h (struct loops): Remove unused field array. Reorder
7731 (LOOP_PREFETCH): Remove.
7733 2006-04-24 Richard Guenther <rguenther@suse.de>
7735 PR tree-optimization/22525
7736 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7737 variable, adjust types of generated expressions.
7739 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7741 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7742 (tree-vect-patterns.o): Likewise.
7744 (cselib.o): Likewise.
7745 (loop-doloop.o): Likewise.
7746 (regclass.o): Likewise.
7747 (reload1.o): Likewise.
7748 (explow.o): Replace target.h with $(TARGET_H).
7749 (ipa-prop.o): Likewise.
7750 (ipa-cp.o): Likewise.
7751 (ipa-inline.o): Likewise.
7752 (reorg.o): Likewise.
7753 (reg-stack.o): Likewise.
7755 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7757 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7759 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7761 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7763 * configure.ac: Completely disregard languages that are not
7765 * configure: Regenerated.
7768 * c-common.h (c_build_bitfield_integer_type): Declare.
7769 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7770 * c-common.c (c_build_bitfield_integer_type): ... here.
7772 2006-04-23 Roger Sayle <roger@eyesopen.com>
7775 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7776 a SImode SUBREG of a floating point register after no_new_pseudos.
7778 2006-04-23 Roger Sayle <roger@eyesopen.com>
7780 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7781 identify potentially eliminable registers to additionally catch
7782 VIRTUAL_INCOMING_ARGS_REGNUM.
7783 (addsi3): Update the conditions on when to use addsi_small_int.
7785 2006-04-23 Roger Sayle <roger@eyesopen.com>
7788 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7789 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7790 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7792 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7794 * fold-const.c (range_predecessor): Use operand_equal_p
7795 as the predicate for equality.
7796 (range_successor): Likewise.
7798 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7801 * config/soft-fp/op-common.h: Fix a typo.
7803 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7806 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7807 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7809 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7811 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7813 * doc/tm.texi: Fix a typo.
7815 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7817 * dwarf2out.c (struct die_struct): Document that die_sib makes
7818 a circular linked list.
7819 (FOR_EACH_CHILD): New.
7820 (reverse_die_lists): Delete.
7821 (reverse_all_dies): Delete.
7822 (add_dwarf_attr): Correct documentation.
7823 (remove_child_with_prev): New.
7824 (remove_child_TAG): Update for change to die_struct, use
7825 remove_child_with_prev.
7826 (add_child_die): Update for change to die_struct.
7827 (splice_child_die): Use remove_child_with_prev and add_child_die.
7828 (print_die): Use FOR_EACH_CHILD.
7829 (die_checksum): Likewise.
7830 (assign_symbol_names): Likewise.
7831 (output_location_lists): Likewise.
7832 (build_abbrev_table): Likewise.
7833 (calc_die_sizes): Likewise.
7834 (mark_dies): Likewise.
7835 (unmark_dies): Likewise.
7836 (unmark_all_dies): Likewise.
7837 (output_die): Likewise.
7838 (prune_unused_types_mark): Likewise.
7839 (prune_unused_types_walk): Likewise.
7840 (same_die_p): Update for change to die_struct.
7841 (break_out_includes): Likewise.
7842 (prune_unused_types_prune): Likewise.
7843 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7844 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7846 (dwarf2out_finish): Don't call reverse_all_dies.
7848 2006-04-21 Eric Christopher <echristo@apple.com>
7850 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7851 in comments and function names.
7853 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7856 * c-typeck.c (digest_init): Robustify.
7858 * c-typeck.c (pop_init_level): Simplify.
7860 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7862 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7864 2006-04-21 Paul Brook <paul@codesourcery.com>
7866 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7867 hardware floating point.
7869 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7871 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7874 2006-04-21 Nick Clifton <nickc@redhat.com>
7876 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7879 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7882 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7883 C++ lang type in traceback table for Objective-C++.
7885 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7887 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7889 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7891 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7894 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7895 were errors. Remove check for erroneous objects.
7897 2006-04-20 Jeff Law <law@redhat.com>
7899 PR tree-optimization/26854
7900 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7901 checking for zero or one use.
7902 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7903 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7904 * tree-ssa-reassoc.c (negate_value): Similarly.
7905 (reassociate_bb): Similarly.
7907 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7909 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7910 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7911 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7913 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7915 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7916 fp regs if the last fp arg doesn't fit in regs.
7918 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7921 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7922 that the last insn has the REG_INC note.
7924 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7925 Nathan Sidwell <nathan@codesourcery.com>
7928 * stor-layout.c (update_alignment_for_field): Do not align
7930 (place_union_field): Place union field at the start of the union.
7931 (place_field): Move ERROR_MARK check later, and use the current
7932 allocation position to maintain monotonicity.
7934 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7936 * dominance.c: Include timevar.h.
7937 (calculate_dominance_info): Use TV_DOMINANCE.
7938 * timevar.def (TV_DOMINANCE): New timevar.
7939 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7941 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7943 PR rtl-optimization/14261
7944 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7945 move would be an INSV insn.
7946 (noce_process_if_block): Don't optimize if the destination is a
7947 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7949 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7951 * config/s390/s390.md: Add comments with the instructions emitted
7952 by an insn pattern if macros are used.
7954 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7956 PR rtl-optimization/26026
7957 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7958 is a known power of two shifted left a variable amount.
7960 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7962 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7963 to hash table twice when the debug_str section has SECTION_MERGE.
7965 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7967 * config/soft-fp: New directory. From glibc.
7968 * config/soft-fp/t-softfp: New.
7969 * config/soft-fp/README: New.
7970 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7971 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7972 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7973 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7974 * config.gcc: Use rs6000/t-fprules-fpbit or
7975 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7977 * config/rs6000/sfp-machine.h: New. Based on glibc.
7978 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7980 * config/rs6000/t-fprules: Remove fp-bit rules.
7981 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7982 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7983 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7984 (softfp_wrap_start, softfp_wrap_end): New.
7986 2006-04-18 DJ Delorie <dj@redhat.com>
7988 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7990 2006-04-18 Devang Patel <dpatel@apple.com>
7992 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7994 2006-04-18 Nick Clifton <nickc@redhat.com>
7996 * config/sh/t-symbian: Add rule to build sh-c.o
7997 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7998 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7999 (sh_symbian_encode_section_info): Likewise.
8001 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8003 * builtins.c (expand_builtin_strcmp): Cover label definition of
8004 do_libcall with HAVE_cmpstrnsi.
8006 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8008 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8010 * function.h (temp_slot_p): New.
8011 (function): Change the type of x_used_temp_slots to
8012 VEC(temp_slot_p,gc) *.
8014 2006-04-18 Nick Clifton <nickc@redhat.com>
8016 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8017 flag_strength_reduce.
8019 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8021 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8025 Partial revert of revision 112637
8026 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8027 Dale Johannesen <dalej@apple.com>
8030 * regclass.c (struct reg_pref): Update documentation.
8031 (regclass): Set prefclass to NO_REGS if memory is the best option.
8032 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8034 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8036 PR tree-optimization/26821
8037 * tree-ssa-math-opts.c (get_constant_one): New.
8038 (insert_reciprocals): Use it.
8040 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8042 * dwarf2out.c (free_AT): Delete.
8043 (remove_AT): Update string ref counts.
8044 (remove_child_TAG): Don't call free_die.
8046 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8047 or DW_TAG_GNU_EINCL.
8048 (prune_unused_types_walk_attribs): Reset string refcounts.
8049 (prune_unused_types_update_strings): New.
8050 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8051 call free_die. Do call prune_unused_types_update_strings.
8052 (prune_unused_types): Empty debug_str_hash.
8054 2006-04-17 Roger Sayle <roger@eyesopen.com>
8056 * expr.c (expand_assignment): Optimize away no-op moves where the
8057 source and destination are equal and have no side-effects.
8059 2006-04-17 Richard Guenther <rguenther@suse.de>
8062 * reload.c (push_reload): Guard calls to get_secondary_mem
8065 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8067 * alias.c (reg_base_value, old_reg_base_value): Change the
8068 type to VEC(rtx,gc) *.
8069 (REG_BASE_VALUE, find_base_value, record_set,
8070 init_alias_analysis): Use VEC instead of VARRAY.
8072 * alias.c (alias_sets): Change the type to
8073 VEC(alias_set_entry,gc) *.
8074 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8075 VEC instead of VARRAY.
8076 (last_alias_set): Remove.
8078 * cgraph.h (cgraph_edge_p): New.
8079 Update the prototype of cgraph_function_versioning.
8080 * cgraphunit.c (cgraph_copy_node_for_versioning,
8081 cgraph_function_versioning): Use VEC instead of VARRAY.
8082 * ipa-cp.c (ipcp_insert_stage): Likewise.
8084 2006-04-16 Roger Sayle <roger@eyesopen.com>
8087 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8088 "A op B" or "A op C", we may need to convert A to the type of B and C.
8090 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8092 * target.h (struct gcc_target): Add mode_rep_extended.
8093 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8094 (init_num_sign_bit_copies_in_rep): Initialize it using
8096 (truncate_to_mode): Use it.
8097 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8098 * targhooks.h (default_mode_rep_extended): Declare it.
8099 * targhooks.c (default_mode_rep_extended): Define it.
8100 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8101 default_mode_rep_extended.
8102 (TARGET_INITIALIZER): Include it.
8103 * doc/tm.texi (Misc): Document it.
8104 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8105 (mips_truncated_to_mode): New function.
8107 2006-04-16 Roger Sayle <roger@eyesopen.com>
8110 * expr.c (compress_float_constant): Copy the narrow constant into
8111 a new pseudo before extending it to its final width.
8113 2006-04-16 Roger Sayle <roger@eyesopen.com>
8114 Andrew Pinski <pinskia@gcc.gnu.org>
8115 Dale Johannesen <dalej@apple.com>
8118 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8119 special case code to implement V8HImode and V16QImode with SSE2.
8121 2006-04-15 Roger Sayle <roger@eyesopen.com>
8123 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8124 trees are constructed with a suitable tree type.
8126 2006-04-15 Roger Sayle <roger@eyesopen.com>
8128 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8129 (integer_onep): Likewise.
8130 (integer_all_onesp): Likewise.
8131 (integer_pow2p): Likewise.
8132 (integer_nonzerop): Likewise.
8133 (real_zerop): Likewise.
8134 (real_onep): Likewise.
8135 (real_twop): Likewise.
8136 (real_minus_onep): Likewise.
8137 (int_size_in_bytes): Likewise.
8138 (host_integerp): Likewise.
8140 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8142 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8143 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8144 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8146 * tree-ssa-structalias.h (alias_info): Remove num_references.
8148 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8150 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8151 (output_bvb patterns): Likewise.
8152 * pa.c (output_bb): Use 'bb' insn for long branch case.
8153 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8154 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8155 1. Correct length operand for alternatives 1 and 2.
8156 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8157 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8159 2006-04-14 Roger Sayle <roger@eyesopen.com>
8161 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8162 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8163 were accidentally reverted by r112959.
8165 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8168 * except.h (eh_region_outermost): New prototype.
8169 * except.c (eh_region_outermost): New function.
8170 * tree-cfg.c (find_outermost_region_in_block): Use it.
8172 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8174 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8176 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8177 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8178 (init_reload, reload): Use VEC instead of VARRAY.
8179 * reload.h: Update the prototype for
8180 reg_equiv_memory_loc_varray.
8182 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8183 Eric Botcazou <ebotcazou@libertysurf.fr>
8185 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8188 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8191 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8192 to expand fallback builtin function call.
8194 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8197 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8198 and emit libcall here in case the builtin fails.
8199 (expand_builtin_strcmp): Always emit the libcall here on failure.
8201 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8203 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8204 * flow.c (reg_n_info): Change the type to
8205 VEC(reg_info_p,heap) *.
8206 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8208 * regs.h (reg_info_p): New.
8209 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8210 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8211 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8214 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8216 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8218 * params.h (MAX_SCHED_READY_INSNS): New macro.
8219 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8220 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8221 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8222 the ready list for 1 cycle during the first scheduling pass.
8223 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8225 2006-04-13 Richard Henderson <rth@redhat.com>
8228 * gimple-low.c (lower_omp_directive): Remove dead code.
8229 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8230 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8231 * omp-low.c (struct omp_region): Move to tree-flow.h.
8232 (root_omp_region): Export.
8233 (omp_regions, lookup_omp_region): Remove.
8234 (determine_parallel_type): Update for struct omp_region changes.
8235 (dump_omp_region): Dump regions with block numbers.
8236 (new_omp_region): Take type and block instead of stmt; malloc
8238 (free_omp_region_1, free_omp_regions): New.
8239 (expand_parallel_call): Take entry_stmt as argument; update for
8240 changes to omp_region.
8241 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8242 (remove_exit_barriers): New.
8243 (expand_omp_parallel): Update for struct omp_region changes.
8244 (expand_omp_synch): Likewise.
8245 (expand_omp): Likewise.
8246 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8247 (expand_omp_for_static_chunk): Likewise.
8248 (expand_omp_for): Likewise.
8249 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8250 (expand_omp_sections): Similarly, with GOMP_sections_end.
8251 (expand_omp_single): New.
8252 (build_omp_regions_1): Update for OMP_CONTINUE.
8253 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8254 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8255 OMP_SECTIONS_SECTIONS.
8256 (lower_omp_single_simple): Don't emit barrier here.
8257 (lower_omp_single_copy): Likewise.
8258 (lower_omp_single): Fix bindings, and lower to straightline now.
8259 (lower_omp_master, lower_omp_ordered): Likewise.
8260 (lower_omp_critical): Likewise.
8261 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8262 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8263 omp edges, free it afterward.
8264 (make_omp_sections_edges): Remove.
8265 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8266 (move_stmt_r): Handle OMP_CONTINUE.
8267 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8268 statement pointers to basic blocks. Add type member.
8269 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8270 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8271 * tree-inline.c (estimate_num_insns_1): Likewise.
8272 * tree-pretty-print.c (dump_generic_node): Likewise.
8273 * tree-ssa-operands.c (get_expr_operands): Likewise.
8274 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8275 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8276 (OMP_CONTINUE): New.
8277 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8278 (OMP_SECTIONS_SECTIONS): Remove.
8279 (OMP_SECTION_LAST): New.
8280 (OMP_RETURN_NOWAIT): New.
8282 2006-04-13 Roger Sayle <roger@eyesopen.com>
8284 * fold-const.c (native_encode_vector, native_interpret_real):
8285 Correct obvious mistakes in the previous check-in.
8287 2006-04-13 Roger Sayle <roger@eyesopen.com>
8289 * fold-const.c (native_encode_expr): New function to encode
8290 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8291 or VECTOR_CST into a specified buffer.
8292 (native_encode_int): New function.
8293 (native_encode_real): New function.
8294 (native_encode_complex): New function.
8295 (native_encode_vector): New function.
8296 (native_interpret_expr): Inverse of native_encode_expr to convert
8297 a target representation into an INTEGER_CST, REAL_CST etc...
8298 (native_interpret_int): New function.
8299 (native_interpret_real): New function.
8300 (native_interpret_complex): New function.
8301 (native_interpret_vector): New function.
8302 (fold_view_convert_expr): New function to constant fold/evaluate
8303 a VIEW_CONVERT_EXPR of a suitable constant expression.
8304 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8305 Change call of build1 to fold_build1 when constructing a
8308 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8309 Ulrich Weigand <uweigand@de.ibm.com>
8312 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8315 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8318 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8319 optimize to lo_sum for DFmode if !TARGET_FPRS.
8321 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8323 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8324 delete_alias_info, compute_flow_sensitive_aliasing,
8325 group_aliases): Use VEC instead of VARRAY.
8326 * tree-ssa-structalias.c (update_alias_info): Likewise.
8327 * tree-ssa-structalias.h (alias_info): Change the type of
8328 processed_ptrs to VEC(tree,heap) *.
8330 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8333 * config/sh/lib1funcs.h: New file, broken out of:
8334 * config/sh/lib1funcs.asm.
8335 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8337 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8338 * config/sh/lib1funcs-Os-4-200.asm: New file.
8339 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8340 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8341 (EXTRA_MULTILIB_PARTS): Include it.
8342 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8343 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8344 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8345 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8348 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8350 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8351 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8352 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8354 * tree-ssa-live.h: Include vecprim.h.
8355 (tree_partition_associator_d): Change the type of
8356 first_partition to VEC(int,heap) *.
8357 (tpa_first_partition): Use VEC instead of VARRAY.
8359 * Makefile.in (GTFILES): Move functions.h after tree.h.
8360 * function.c (reset_block_changes, record_block_change,
8361 check_block_change, free_block_changes): Use VEC instead of
8363 * function.h (function): Change the type of
8364 ib_boundaries_block to VEC(tree,gc) *.
8365 * tree-inline.c (copy_cfg_body): Initialize
8366 ib_boundaries_block to NULL instead of (varray_type) 0.
8368 2006-04-12 Roger Sayle <roger@eyesopen.com>
8370 * expr.c (emit_group_store): Correct operand order in call to
8371 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8372 a SUBREG_BYTE of zero.
8374 2006-04-12 Richard Guenther <rguenther@suse.de>
8376 * profile.c (compute_branch_probabilities): Remove code
8377 encapsulated in !ir_type (), which are remanents of the
8378 removed RTL profiling code.
8379 * rtl-profile.c: Remove.
8381 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8383 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8384 magic NULL_RTX comment.
8385 (function_arg): Store entire fp arg to mem if any part should go
8387 (rs6000_arg_partial_bytes): Adjust for above change.
8389 2006-04-11 Roger Sayle <roger@eyesopen.com>
8391 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8392 if it hasn't been initialized by dwarf2out_init.
8394 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8396 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8397 symbolic constants in branch patterns.
8399 2006-04-11 Roger Sayle <roger@eyesopen.com>
8401 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8403 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8405 PR rtl-optimization/27073
8406 * gcse.c (try_replace_reg): Revert last change. Continue to search
8407 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8410 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8412 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8413 aggregate types other than record and union types.
8414 (function_arg): Likewise.
8415 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8417 (function_value): In 64-bit mode, return objects that require it
8420 2006-04-11 Roger Sayle <roger@eyesopen.com>
8422 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8424 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8426 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8428 2006-04-03 Jeff Law <law@redhat.com>
8431 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8432 alias information too.
8434 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8436 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8438 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8441 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8442 (premark_used_types_helper): New.
8443 (premark_used_types): New.
8444 (gen_subprogram_die): Call premark_used_types.
8445 (prune_unused_types_walk): Do not prune perennial dies.
8446 * function.c (used_types_insert): New.
8447 * function.h (struct function): Add used_types_hash field.
8448 (used_types_insert): Add prototype.
8449 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8450 * c-parser.c (c_parser_cast_expression): Save casted types in used
8453 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8456 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8457 rs6000_explicit_options.float_gprs.
8459 2006-04-10 Roger Sayle <roger@eyesopen.com>
8461 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8462 from ix86_expand_vector_init_low_nonzero. Take an additional
8463 one_var argument indicating which element is non-zero. Support
8464 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8465 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8466 with one_var instead of ix86_expand_vector_init_low_nonzero.
8468 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8470 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8471 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8472 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8473 build/genextract.o): Depend on vecprim.h.
8474 * cfglayout.c, df-problems.c, function.c, genextract.c,
8475 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8476 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8480 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8482 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8483 Declare VECs of this type.
8484 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8485 (remove_children): Delete.
8486 (add_dwarf_attr): Use VEC routines.
8487 (add_AT_flag): Update for changes to add_dwarf_attr.
8488 (add_AT_int): Likewise.
8489 (add_AT_unsigned): Likewise.
8490 (add_AT_long_long): Likewise.
8491 (add_AT_vec): Likewise.
8492 (add_AT_string): Likewise.
8493 (add_AT_die_ref): Likewise.
8494 (add_AT_fde_ref): Likewise.
8495 (add_AT_loc): Likewise.
8496 (add_AT_loc_list): Likewise.
8497 (add_AT_addr): Likewise.
8498 (add_AT_lbl_id): Likewise.
8499 (add_AT_lineptr): Likewise.
8500 (add_AT_macptr): Likewise.
8501 (add_AT_offset): Likewise.
8502 (add_AT_range_list): Likewise.
8503 (get_AT): Use VEC_iterate.
8504 (remove_AT): Use VEC_ordered_remove.
8505 (free_die): Fold remove_children into here; have it use VEC_iterate.
8506 (print_die): Use VEC_iterate on attrs.
8507 (reverse_die_lists): Don't reverse attr lists.
8508 (die_checksum): Use VEC_iterate on attrs.
8509 (same_die_p): Likewise.
8510 (output_location_lists): Likewise.
8511 (build_abbrev_table): Likewise.
8512 (size_of_die): Likewise.
8513 (unmark_all_dies): Likewise.
8514 (output_abbrev_section): Likewise.
8515 (output_die): Likewise.
8516 (prune_unused_types_walk_attribs): Likewise.
8518 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8520 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8522 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8525 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8527 2006-04-09 Roger Sayle <roger@eyesopen.com>
8529 * expr.c (store_constructor): Don't bother clearing target if
8530 we're about to assign a vector to it using vec_init_optab.
8532 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8534 * tree-ssa-alias.c (lhs_may_store_to): New function.
8535 (recalculate_used_alone): Handle LHS of calls.
8537 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8541 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8542 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8543 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8544 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8545 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8546 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8547 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8548 stubs. Add ".align 8" directives before all ".dword" directives.
8549 (GTHREAD_USE_WEAK): Revise comment.
8550 (TARGET_ATTRIBUTE_WEAK): Define.
8551 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8552 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8553 * stublib.c: New file.
8558 * pa.md (cbranch patterns): Revise arguments used in calls to
8559 output_cbranch, output_bb and output_bvd. Add long branch length
8561 (fbranch patterns): Handle long branches.
8562 (jump): Revise length check. Revise arguments for output_lbranch call.
8563 Add long branch length attributes.
8564 (decrement_and_branch_until_zero): Add long branch length attributes.
8565 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8566 Likewise. Revise arguments for output_parallel_addb and
8567 output_parallel_movb calls.
8568 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8569 output_parallel_movb and output_parallel_addb): Update prototypes.
8570 * pa.c (output_cbranch): Revise arguments. Correct handling of
8571 nullification in long branches.
8572 (output_lbranch): Add new argument to control extraction of delay
8574 (output_bb): Handle long branches.
8575 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8576 output_parallel_addb): Likewise.
8578 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8580 PR rtl-optimization/27073
8581 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8584 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8586 * tree.h (tree_memory_tag): Add old_used_alone.
8587 (SMT_OLD_USED_ALONE): New macro.
8588 * tree-ssa-alias.c (recalculate_used_alone): Stop
8589 marking things for renaming unnecessarily.
8591 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8593 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8594 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8595 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8596 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8597 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8598 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8599 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8600 spelling convensions.
8601 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8602 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8603 typos. Follow spelling conventions.
8605 2006-04-07 DJ Delorie <dj@redhat.com>
8607 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8608 passed on the stack.
8609 (m32c_init_cumulative_args): When a function returns a structure,
8610 always pass the pointer to that return area on the stack.
8611 (m32c_function_arg_advance): Don't increment the parameter number
8612 if we're processing the returned structure pointer.
8613 (pushm_info): Reverse order of registers.
8615 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8617 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8618 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8619 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8620 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8622 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8623 chrec_fold_multiply): Same.
8624 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8625 force_expr_to_var_cost): Same.
8626 * tree-mudflap.c (mf_xform_derefs_1): Same.
8627 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8629 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8631 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8632 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8635 2006-04-07 Jan Hubicka <jh@suse.cz>
8637 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8639 2006-04-07 Richard Guenther <rguenther@suse.de>
8641 PR tree-optimization/26135
8642 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8643 loads for store copy-prop.
8644 (copy_prop_visit_stmt): Likewise.
8646 2006-04-05 Robert Millan <robertmh@gnu.org>
8648 * config/i386/linux.h: Add a comment to mark macros that are
8649 being overriden in config/k*bsd-gnu.h.
8650 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8652 * config/knetbsd-gnu.h: Ditto.
8654 2006-04-06 Jan Hubicka <jh@suse.cz>
8658 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8661 2006-04-06 Mike Stump <mrs@apple.com>
8663 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8664 for HAVE_nonlocal_goto to be consistent.
8665 (expand_builtin_nonlocal_goto): Likewise.
8666 (expand_builtin_strcmp): Use #ifdef instead of #if
8667 for HAVE_cmpstrnsi to be consistent.
8669 2006-04-05 DJ Delorie <dj@redhat.com>
8671 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8674 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8676 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8677 got-relative addressing for anything but SImode.
8679 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8680 even if the calling function doesn't modify them.
8682 2006-04-05 Richard Guenther <rguenther@suse.de>
8684 PR tree-optimization/26919
8685 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8686 to cgraph_estimate_size_after_inlining.
8688 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8690 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8692 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8694 PR tree-optimization/26996
8695 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8696 VECTOR_TYPE variables.
8698 2006-04-05 Richard Guenther <rguenther@suse.de>
8700 PR tree-optimization/26763
8701 * fold-const.c (fold_comparison): Move folding of
8702 PTR + CST CMP PTR + CST ...
8703 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8705 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8707 * doc/install.texi (Prerequisites): Refine some wording on
8708 bootstrapping and ksh.
8709 Move the version numbers of DejaGnu here from the testing section
8710 and fix casing of names.
8711 Fix markup and clarify wording for autogen requirements.
8712 Refer to GCJ instead of just java.
8713 Refer to SVN instead of CVS.
8714 Describe diffutils as useful instead of necessary.
8715 (Downloading the source): Refer to SVN instead of CVS.
8716 Adjust a link to our web site accordingly.
8717 (Configuration): Fix casing of Bison.
8718 (Building): Refer to SVN instead of CVS.
8719 Fix a sentence on the use of Bison and remove duplicate (and
8720 incorrect) version number of Bison requirement.
8721 Remove one redundant list of packages needed for building.
8722 (Specific): Avoid reference to CVS.
8724 2006-04-04 Eric Christopher <echristo@apple.com>
8726 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8727 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8728 (rs6000_handle_struct_attribute): New.
8729 (rs6000_ms_bitfield_layout_p): Ditto.
8731 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8733 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8734 NULL for dso parameter to atexit_common.
8736 2006-04-04 Eric Christopher <echristo@apple.com>
8738 * config/i386/i386.c (machopic_output_stub): Output \t
8739 between instructions and operands.
8741 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8743 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8744 satisfies_constraint_[IL] to explicit tests on value.
8746 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8748 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8749 set_nb_iterations_in_loop): Use build_int_cst instead of
8751 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8752 build_int_cst instead of convert.
8754 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8756 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8757 new value 2 for incoming.
8758 * function.c (expand_function_start): Call struct_value_rtx
8760 * config/sparc/sparc.md: Comment updated_return.
8761 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8762 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8763 struct return if sparc_std_struct_return and incoming is 2.
8764 (print_operand): Do not adjust return if
8765 sparc_std_struct_return.
8767 2006-04-04 Roger Sayle <roger@eyesopen.com>
8769 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8770 convert in the middle-end.
8771 * expr.c (store_expr, store_constructor, get_inner_reference,
8772 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8774 * tree.c (build_range_type): Likewise.
8776 2006-04-04 Tom Tromey <tromey@redhat.com>
8778 * doc/install.texi (Prerequisites): Mention jar.
8780 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8782 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8785 2006-04-04 Matthias Klose <doko@debian.org>
8787 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8791 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8794 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8796 * doc/extend.texi (Function Attributes): Rewrite visibility
8797 attribute documentation.
8798 * doc/invoke.texi (C++ Dialect Options): Rewrite
8799 -fvisibility-inlines-hidden documentation to describe something
8800 entirely different, although in practise compatible.
8801 (Code Gen Options): Warn about system headers in -fvisibility=
8804 * doc/extend.texi (Other Builtins): Document that
8805 __builtin_nan is a compile-time constant only when its argument
8808 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8810 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8811 trying to remove TRUNCATE check if all bits outside the new mode
8812 are identical to the sign bit.
8814 2006-04-03 Jeff Law <law@redhat.com>
8816 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8817 and operand scanning in some common cases.
8819 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8820 Dale Johannesen <dalej@apple.com>
8823 * regclass.c (struct reg_pref): Update documentation.
8824 (regclass): Set prefclass to NO_REGS if memory is the best option.
8825 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8826 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8827 into account. For non-registers, equate an empty preferred
8828 reload class to a `!' in the constraint; move the if clause to
8829 do so after those that reject the insn.
8830 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8832 (find_dummy_reload): Likewise.
8833 * doc/tm.texi (Register Classes): Document what it means
8834 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8835 * config/i386/i386.c (ix86_preferred_reload_class): Force
8836 using SSE registers (and return NO_REGS for floating-point
8837 constants) if math is done with SSE.
8838 (ix86_preferred_output_reload_class): New.
8839 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8840 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8841 * config/i386/i386.md: Remove # register preferences.
8843 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8846 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8847 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8848 the type of nb_iter.
8849 (instantiate_parameters_1): Convert the operands before calling
8850 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8851 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8853 2006-04-02 Roger Sayle <roger@eyesopen.com>
8855 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8856 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8858 * dojump.c (do_jump): Likewise.
8859 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8860 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8861 gimplify_boolean_expr): Likewise.
8862 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8863 * varasm.c (array_size_for_constructor): Likewise.
8864 * tree-object-size.c (compute_object_offset): Likewise.
8866 2006-04-02 Roger Sayle <roger@eyesopen.com>
8869 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8870 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8872 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8874 PR tree-optimization/26939
8875 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8877 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8879 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8880 at_stmt. Convert the type of operands before calling
8881 build_polynomial_chrec.
8882 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8884 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8885 (instantiate_parameters_1): Convert the type of operands before calling
8886 build_polynomial_chrec.
8887 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8888 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8889 reset_evolution_in_loop): Insert asserts to check the types of the
8891 (chrec_type): Moved...
8892 (eq_evolutions_p): Use operand_equal_p.
8893 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8894 the types of the operands.
8895 (chrec_type): ...here.
8896 * tree-data-ref.c (create_data_ref): Convert the operands before
8897 calling chrec_replace_initial_condition.
8898 (same_access_functions, analyze_subscript_affine_affine,
8899 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8900 (compute_subscript_distance, analyze_ziv_subscript,
8901 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8902 analyze_miv_subscript): Convert the operands before calling
8903 chrec_fold_minus or chrec_fold_plus.
8905 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8907 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8908 the dependence_relations vector.
8909 (compute_data_dependences_for_loop): Adjust call to
8910 compute_all_dependences.
8912 2006-04-01 Roger Sayle <roger@eyesopen.com>
8913 Richard Henderson <rth@redhat.com>
8915 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8916 gimple_boolify on the condition before calling gimplify_expr.
8918 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8920 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8921 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8922 the frame size. Update to use the new macros.
8923 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8924 * config/xtensa/ieee754-df.S: Likewise.
8926 2006-03-31 Richard Henderson <rth@redhat.com>
8928 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8929 (make_edges): ... here. Control fallthru creation with a local
8930 variable. Do not play with fake edges.
8931 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8932 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8935 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8937 * dwarf2.h (DW64_CIE_ID): Define.
8938 * dwarf2out.c (DWARF_CIE_ID): Define.
8939 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8940 length header. Use DWARF_CIE_ID.
8941 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8942 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8944 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8946 * config/sh/linux-atomic.asm: New file.
8947 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8949 2006-03-31 DJ Delorie <dj@redhat.com>
8951 * config/m32c/cond.md: Set condition flags properly throughout.
8952 * config/m32c/minmax.md: Likewise.
8953 * config/m32c/prologue.md: Likewise.
8954 * config/m32c/bitops.md: Likewise.
8955 * config/m32c/muldiv.md: Likewise.
8956 * config/m32c/mov.md: Likewise.
8957 * config/m32c/addsub.md: Likewise.
8958 * config/m32c/m32c.md: Likewise.
8959 * config/m32c/jump.md: Likewise.
8960 * config/m32c/shift.md: Likewise.
8962 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8963 conditionally output the pattern for this.
8964 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8965 (m32c_compare_redundant): New.
8966 (m32c_output_compare): New.
8967 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8969 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8970 dest, not src. Allow other 4-byte modes.
8972 2006-03-30 Denis Chertykov <denisc@overta.ru>
8974 * doc/md.texi: Refer to avr/constraints.md instead of
8977 2006-03-30 Roger Sayle <roger@eyesopen.com>
8979 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8980 signed vs. unsigned comparison failures on some hosts.
8982 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8985 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8986 change to FLOAT_REGS.
8988 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8989 (rs6000_override_options): Use it.
8990 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8991 only for -mabi=spe/no-spe and -mabi=altivec.
8993 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8995 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8998 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9000 * Makefile.in: Rename docdir to gcc_docdir.
9002 2006-03-30 Roger Sayle <roger@eyesopen.com>
9005 * expr.c (emit_group_store): Optimize group stores into a pseudo
9006 register by using a paradoxical subreg to initialize the destination
9007 if the first or last member of the group specifies a "low part".
9009 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9012 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9013 * target.h (struct gcc_target.speculate_insn): Change type of the
9014 second parameter to 'int'.
9015 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9016 the second operand of the DEPS_LIST.
9017 (copy_DEPS_LIST_list): Update reference to the second operand of the
9019 * rtl.h (alloc_DEPS_LIST): Update signature.
9020 * sched-int.h (ds_t): Change typedef to 'int'.
9021 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9023 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9025 * haifa-sched.c (try_ready): Change condition to restore
9026 non-speculative pattern of the instruction.
9027 (process_insn_depend_be_in_spec): Code to keep probability of the
9028 speculative dependence non-decreasing.
9030 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9032 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9033 (single_move_for_movmem): ... this. Also change all uses.
9034 (bfin_expand_strmov): Renamed to...
9035 (bfin_expand_movmem): ... this. Also change all uses.
9036 * config/bfin/bfin.md (movstrsi): Renamed to...
9037 (movstrsi): ...this.
9039 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9041 PR tree-optimization/26830
9043 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9044 (copy_prop_visit_stmt): Remove write-only variable ann.
9045 (init_copy_prop): Check variable loop depth here. Do not simulate
9046 memory-tag and virtual operand PHIs except for store copy prop.
9048 2006-03-30 Richard Guenther <rguenther@suse.de>
9050 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9051 variants with double arguments.
9053 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9055 * genpreds.c (write_tm_constrs_h): Delete variable p.
9056 * genconditions.c (write_header): Add tm-constrs.h to included
9058 * genpeep.c (main): Add toplev.h to included headers.
9059 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9060 (build/genpeep.o): Add toplev.h dependency.
9061 * config/rs6000/constraints.md: Add "W" constraint.
9063 2006-03-29 Roger Sayle <roger@eyesopen.com>
9065 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9066 sizes by correctly testing whether the size fits a host integer.
9067 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9068 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9069 SImode range for the default sizetype and bitsizetype.
9071 2006-03-29 Roger Sayle <roger@eyesopen.com>
9073 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9074 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9075 quickly if the argument is already of the correct type.
9076 Call fold_build1 instead of build1. Tidy up blank lines.
9078 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9080 * genemit.c (main): Add tm-constrs.h to included headers.
9081 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9082 * genpeep.c (main): Add tm-constrs.h to included headers.
9083 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9084 (write_tm_constrs_h): this and write complete file.
9085 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9086 (write_insn_preds_c): Add tm-constrs.h to included headers.
9087 (gen_constrs): New variable.
9088 (parse_option): Parse "-c".
9089 (main): Invoke write_tm_constrs_h.
9090 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9091 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9092 (object_out_file): Add tm-constrs.h dependency.
9093 (insn-emit.o): Same.
9094 (insn-output.o): Same.
9095 (insn-peep.o): Same.
9096 (insn-preds.o): Same.
9097 (insn-recog.o): Same.
9098 (tm-constsr.h): New target.
9099 (s-constrs-h): New target.
9101 * config/rs6000/constraints.md: New file.
9102 * config/rs6000/rs6000.c: Include tm-constrs.h.
9103 (num_insn_constant_wide): Convert to satisfies_constraint.
9104 (rs6000_rtx_costs): Convert to satisfies_constraint.
9105 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9106 (CONST_OK_FOR_LETTER_P): Delete.
9107 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9108 (EXTRA_CONSTRAINT): Delete.
9109 (EXTRA_MEMORY_CONSTRAINT): Delete.
9110 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9111 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9112 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9113 satisfies_constraint.
9115 * config/i386/i386.c: Include tm-constrs.h.
9117 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9119 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9120 * tree-data-ref.c (find_data_references_in_loop,
9121 compute_data_dependences_for_loop): Use pointers to VEC.
9122 (analyze_all_data_dependences): Adjust calls.
9123 * tree-data-ref.h (find_data_references_in_loop,
9124 compute_data_dependences_for_loop): Adjust declarations.
9125 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9126 compute_data_dependences_for_loop.
9128 2006-03-29 Paul Brook <paul@codesourcery.com>
9130 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9133 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9135 PR tree-optimization/26859
9136 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9138 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9139 for the step after fold_convert.
9141 2006-03-29 Paul Brook <paul@codesourcery.com>
9143 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9144 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9146 2006-03-29 Paul Brook <paul@codesourcery.com>
9149 * targhooks.c (default_narrow_bitfield): New fuction.
9150 * targhooks.h (default_narrow_bitfield): add prototype.
9151 * target.h (gcc_target): Add narrow_volatile_bitfield.
9152 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9153 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9154 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9155 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9157 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9159 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9161 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9162 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9163 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9164 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9165 (s390_function_arg_float): Allow SDmode and DDmode values to be
9166 passed in floating point registers.
9167 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9168 check with SCALAR_FLOAT_MODE_P.
9169 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9171 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9173 PR tree-optimization/25985
9174 * tree-ssa-loop-niter.c (number_of_iterations_le,
9175 number_of_iterations_ne): Make comments more precise.
9176 (number_of_iterations_cond): Add only_exit argument. Use the
9177 fact that signed variables do not overflow only when only_exit
9179 (loop_only_exit_p): New.
9180 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9181 number_of_iterations_cond.
9183 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9185 PR tree-optimization/26643
9186 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9189 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9191 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9192 (divsi3_i4_int): Likewise.
9194 2006-03-28 Roger Sayle <roger@eyesopen.com>
9196 * expr.c (emit_group_store): Only create a new pseudo reg if the
9197 quantity it needs to hold isn't already a suitable pseudo.
9199 2006-03-28 Jeff Law <law@redhat.com>
9201 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9202 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9204 2006-03-28 Roger Sayle <roger@eyesopen.com>
9206 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9207 the equivalent ~X & Y, and the symmetry related transformations.
9208 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9209 ~X & Y, and symmetry related transforms.
9211 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9213 Revert my 2006-03-27 patches.
9215 2006-03-28 Roger Sayle <roger@eyesopen.com>
9217 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9218 ~(T1)X, when T1 and T2 are integer types of the same precision
9219 and (T2)X isn't an extension.
9221 2006-03-28 Jeff Law <law@redhat.com>
9223 PR tree-optimization/26796
9224 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9225 need EH edge cleanups rather than purging them immediately.
9226 (eliminate_degenerate_phis): Handle queued EH cleanups.
9228 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9230 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9233 2006-03-27 Roger Sayle <roger@eyesopen.com>
9236 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9237 cast BIT_NOT_EXPR operand to the correct type.
9239 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9241 * tree-loop-linear.c: Don't include varray.h.
9242 (gather_interchange_stats, try_interchange_loops,
9243 linear_transform_loops): Use VEC instead of VARRAY.
9244 * lambda-mat.c: Don't include varray.h.
9245 * tree-chrec.c: Same.
9246 * lambda-trans.c: Same.
9247 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9248 VEC instead of VARRAY.
9249 * tree-vectorizer.h: Idem.
9250 * tree-data-ref.c (dump_data_references,
9251 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9252 initialize_data_dependence_relation, finalize_ddr_dependent,
9253 compute_all_dependences, find_data_references_in_loop,
9254 compute_data_dependences_for_loop, analyze_all_data_dependences,
9255 free_dependence_relation, free_dependence_relations,
9256 free_data_refs): Idem.
9257 * tree-data-ref.h (data_reference_p, subscript_p): New.
9258 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9259 VEC instead of VARRAY.
9260 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9261 (find_data_references_in_loop, compute_data_dependences_for_loop,
9262 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9263 dump_data_dependence_relations, free_dependence_relations,
9264 free_data_refs): Adjust declaration.
9265 (lambda_transform_legal_p): Move declaration here...
9266 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9267 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9268 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9269 vect_analyze_data_refs): Use VEC instead of VARRAY.
9270 * lambda.h (lambda_transform_legal_p): ...from here.
9271 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9272 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9273 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9274 tree-chrec.o): Don't depend on VARRAY_H.
9276 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9278 * rtl.def (Copyright): Update date.
9279 (DEPS_LIST): Change type of the second operand to 'int'.
9280 * target.h (Copyright): Update date.
9281 (struct gcc_target.speculate_insn): Change type of the second parameter
9283 * lists.c (Copyright): Update date.
9284 (alloc_DEPS_LIST): Change signature. Update reference to the second
9285 operand of the DEPS_LIST.
9286 (copy_DEPS_LIST_list): Update reference to the second operand of the
9288 * rtl.h (Copyright): Update date.
9289 (alloc_DEPS_LIST): Update signature.
9290 * sched-int.h (Copyright): Update date.
9291 (ds_t): Change typedef to 'int'.
9292 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9294 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9296 * haifa-sched.c (Copyright): Update date.
9297 (try_ready): Change condition to restore non-speculative pattern
9299 (process_insn_depend_be_in_spec): Code to keep probability of the
9300 speculative dependence non-decreasing.
9302 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9304 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9305 shut up the compiler.
9307 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9309 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9310 to use lib prefix for target.
9311 ($(T)libic_invalidate_array_4-200.a): Likewise.
9312 ($(T)libic_invalidate_array_4a.a): Likewise.
9314 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9315 J"orn Rennecke <joern.rennecke@st.com>
9317 * superh.opt: New file.
9318 * sh.c (boardtype, osruntime): Remove.
9319 * superh.h (SUBTARGET_OPTIONS): Remove.
9320 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9322 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9323 arguments with ^ and/or [].
9325 * config.gcc (sh-*-*): Add quoting to account for quirk of
9327 Replace == with = in enable_incomplete_targets test.
9329 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9330 with MASK_LITTLE_ENDIAN.
9332 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9333 * config/sh/sh.opt: Added to some comments.
9334 * config/sh/superh.h: Removed some chaff.
9336 * config/sh/sh.opt: Add m4-[1234]00* options.
9337 * config/sh/sh.c (sh_handle_option): Likewise.
9338 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9339 (ic_invalidate_array_4-100.o): New rule.
9340 ($(T)libic_invalidate_array_4-100.a): Likewise.
9341 (ic_invalidate_array_4-200.o): Likewise.
9342 ($(T)libic_invalidate_array_4-200.a): Likewise.
9343 (ic_invalidate_array_4a.o): Likewise.
9344 ($(T)libic_invalidate_array_4a.a): Likewise.
9345 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9346 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9348 * config/sh/crt1.asm: Merged in profiling code.
9349 * config/sh/superh.h (STARTFILE_SPEC): Override.
9350 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9351 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9352 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9354 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9355 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9356 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9358 * sh.opt (mpretend-cmove): New option.
9359 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9360 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9361 (movsicc): Add TARGET_PRETEND_CMOVE code.
9363 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9365 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9366 s390_class_max_nregs): New function prototypes.
9367 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9368 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9369 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9370 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9372 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9374 * dwarf2out.c (add_location_or_const_value_attribute): Call
9375 tree_add_const_value_attribute if nothing else works.
9376 (reference_to_unused): New.
9377 (rtl_for_decl_init): Use reference_to_unused to decide whether
9378 to output an initializer.
9380 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9383 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9384 peephole removing spe frob_di_df_2.
9386 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9388 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9389 (subscript_dependence_tester_1): Declared.
9390 (print_dir_vectors, print_dist_vectors): New.
9391 (debug_data_dependence_relation): New.
9392 (dump_data_dependence_relation): Print more details.
9393 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9394 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9395 (save_dist_v, save_dir_v, add_outer_distances,
9396 build_classic_dist_vector_1): New.
9397 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9398 Don't test for lambda_vector_lexico_pos.
9399 (same_access_functions, add_multivariate_self_dist,
9400 add_other_self_distances, dir_from_dist): New.
9401 (build_classic_dir_vector): Replace implementation almost identical to
9402 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9404 (subscript_dependence_tester_1): New.
9405 (subscript_dependence_tester): Handle the lexicographically negative
9406 distance vectors by recomputing the dependence relation.
9407 (compute_affine_dependence): Remove parameter loop_nest_depth.
9408 (compute_self_dependence): Don't call compute_subscript_distance.
9409 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9410 Add a parameter for the loop_nest.
9411 (find_loop_nest_1, find_loop_nest): New.
9412 (compute_data_dependences_for_loop): Compute the loop nest, and give
9413 up if the nest is not well formed.
9414 * tree-data-ref.h (loop_p): New.
9415 (struct data_dependence_relation): Replace size_vect field with
9416 loop_nest, a vec of loops.
9417 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9418 (DDR_LOOP_NEST): New.
9419 (print_dir_vectors, print_dist_vectors,
9420 debug_data_dependence_relation): Declared.
9421 (index_in_loop_nest): New.
9422 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9423 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9426 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9428 * simplify-rtx.c (simplify_relational_operation): Call
9429 simplify_relational_operation_1 even if mode is VOIDmode.
9431 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9433 PR tree-optimization/26804
9434 * tree.h (DECL_CALL_CLOBBERED): New macro.
9435 (tree_decl_common): Add call_clobbered_flag.
9436 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9437 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9438 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9439 (mark_non_addressable): Ditto.
9440 * tree-ssa.c (verify_call_clobbered): New function.
9441 (verify_alias_info): Use it.
9442 * tree-pass.h (pass_reset_cc_flags): New prototype.
9443 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9444 (reset_cc_flags): New function.
9445 * passes.c (init_optimization_passes): Call reset_cc_flags after
9446 initializing referenced_vars.
9448 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9449 Roger Sayle <roger@eyesopen.com>
9452 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9453 to 1.0 for non-real operands. Implement A / A optimization for
9456 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9458 * config/i386/i386.c (size_cost): Correct the comment for
9459 cost of storing fp registers.
9460 (i386_cost): Likewise.
9461 (i486_cost): Likewise.
9462 (pentium_cost): Likewise.
9463 (pentiumpro_cost): Likewise.
9464 (k6_cost): Likewise.
9465 (athlon_cost): Likewise.
9466 (k8_cost): Likewise.
9467 (pentium4_cost): Likewise.
9468 (nocona_cost): Likewise.
9469 (generic64_cost): Likewise.
9470 (generic32_cost): Likewise.
9472 2006-03-24 Denis Chertykov <denisc@overta.ru>
9474 * config/avr/avr-protos.h (extra_constraint): Delete.
9475 (extra_constraint_Q): New declaration.
9476 * config/avr/constraints.md: New file.
9477 * config/avr/avr.md: Include it.
9478 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9479 (TMP_REGNO, ZERO_REGNO): Likewise.
9480 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9481 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9482 (extra_constraint): Delete.
9483 (extra_constraint_Q): Test for memory constraint 'Q'.
9484 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9485 (REG_CLASS_FROM_LETTER): Delete.
9486 (CONST_OK_FOR_LETTER_P): Delete.
9487 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9488 (EXTRA_CONSTRAINT): Delete.
9489 (TMP_REGNO): Delete.
9490 (ZERO_REGNO): Delete.
9492 2006-03-24 Jeff Law <law@redhat.com>
9494 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9495 directly. Call mark_new_vars_to_rename slightly earlier.
9497 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9499 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9501 (gen_compile_unit_die): Use new language types for Objective-C and
9503 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9504 DW_LANG_C_plus_plus.
9507 * config/t-darwin (crt3.o): Work around bug 26840.
9508 * config/darwin-crt3.c: Rewrite.
9509 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9511 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9513 * doc/invoke.texi: Document -femit-class-debug-always
9514 * common.opt: Add -femit-class-debug-always.
9516 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9518 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9519 index and base register.
9520 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9521 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9522 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9523 REGNO_OK_FOR_INDEX_P.
9524 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9526 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9527 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9528 REG_OK_FOR_BASE_P): Definitions removed.
9530 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9533 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9534 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9535 set yet or weren't marked as local yet.
9537 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9539 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9542 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9544 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9545 (rs6000_legitimate_small_data_p): Delete.
9546 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9547 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9548 and make static. Add forward declaration. Update uses.
9549 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9550 of offsettable_memref_p.
9551 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9552 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9554 2006-03-24 Jeff Law <law@redhat.com>
9556 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9557 around bug in immediate-use iterator.
9559 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9562 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9563 or __LITTLE_ENDIAN__.
9565 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9567 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9568 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9569 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9570 * config/sh/sh.opt (mdiv=): Amend description.
9571 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9572 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9573 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9574 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9575 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9576 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9577 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9578 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9579 TARGET_DIVIDE_CALL_FP.
9581 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9583 * haifa-sched.c (choose_ready): Fix type of the local variable.
9584 Move local variables. Add comment.
9585 (check_reg_live): Change signature. Make callable from debugger.
9586 * sched-int.h (check_reg_live): Update signature.
9587 * sched-ebb.c (check_reg_live): Update parameters.
9588 * sched-rgn.c (check_reg_live): Ditto.
9589 (region_head_or_leaf_p): Check pointer before dereferencing.
9590 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9591 before reload on optimization levels below 1.
9593 2006-03-23 Richard Henderson <rth@redhat.com>
9595 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9599 * config/alpha/predicates.md (local_symbolic_operand): Reject
9602 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9605 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9606 expressions which have overflowed constants.
9608 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9610 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9612 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9614 * cfgloopmanip.c (create_loop_notes): Removed.
9615 * final.c (final_scan_insn): Do not handle loop notes.
9616 * jump.c (squeeze_notes): Ditto.
9617 * cfglayout.c (skip_insns_after_block,
9618 duplicate_insn_chain): Ditto.
9619 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9621 * cfgloop.h (create_loop_notes): Declaration removed.
9623 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9625 * varasm.c (output_constant_pool): Restore fnname and fndecl
9627 (assemble_start_function): Adjust call accordingly.
9628 (assemble_end_function): Likewise.
9630 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9633 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9636 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9638 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9641 * system.h (ICE_EXIT_CODE): New macro.
9642 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9643 (diagnostic_action_after_output): Likewise.
9644 * gcc.c (fatal_ice): New function.
9645 (execute): Use it instead of fatal.
9646 (fancy_abort): Likewise.
9647 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9649 2006-03-22 Jeff Law <law@redhat.com>
9651 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9652 iv_analyze_result returning false.
9654 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9656 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9658 2006-03-22 Richard Henderson <rth@redhat.com>
9661 * except.c (duplicate_eh_regions_0): New.
9662 (duplicate_eh_region_1): Duplicate the children of the node as
9663 well as the node itself. Link them up properly.
9664 (duplicate_eh_region_2): Merge into ...
9665 (duplicate_eh_regions): ... here. Take copy_region argument, and
9666 copy only a sub-tree if asked. Simplify copying and fixup.
9667 (eh_region_outer_p): New.
9668 * except.h (duplicate_eh_regions): Update decl.
9669 (eh_region_outer_p): Declare.
9670 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9671 (lower_omp_master): Likewise.
9672 (lower_omp_ordered): Likewise.
9673 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9674 (move_stmt_r): Use it to remap labels. Handle recursion vs
9675 remap_decls_p properly.
9676 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9677 (find_outermost_region_in_block): New.
9678 (new_label_mapper): New.
9679 (move_sese_region_to_fn): Copy eh information to the new function
9681 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9683 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9686 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9688 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9689 into shared libraries.
9691 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9693 * doc/md.texi: Refer to i386/constraints.md instead of
9695 * config/i386/constraints.md: New file, extracted from...
9696 * config/i386/predicates.md: ...here.
9697 * config/i386/i386.md: Include constraints.md.
9699 2006-03-21 Jason Merrill <jason@redhat.com>
9701 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9704 * expr.c (init_block_move_fn): Force default visibility.
9705 (init_block_clear_fn): Likewise.
9706 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9707 * targhooks.c (default_external_stack_protect_fail): Likewise.
9709 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9711 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9712 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9713 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9714 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9715 (loadgp): Use mips_current_loadgp_style.
9716 (loadgp_noshared): New pattern.
9717 (sibcall_internal): Use MIPS_CALL.
9718 (sibcall_value_internal): Likewise.
9719 (sibcall_value_multiple_internal): Likewise.
9720 (call_internal): Likewise.
9721 (call_value_internal): Likewise.
9722 (call_value_multiple_internal): Likewise.
9723 (call_split): Use MIPS_CALL and add an 'S' constraint.
9724 (call_value_split): Likewise.
9725 (call_value_multiple_split): Likewise.
9726 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9727 (-mshared): New option.
9728 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9729 (mips_current_loadgp_style): Declare.
9730 * config/mips/mips.c (mips_classify_symbol): Avoid using
9731 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9732 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9733 TARGET_ABSOLUTE_ABICALLS.
9734 (override_options): Adjust comments. Improve the warning that is
9735 issued when -mabicalls and -G are used together.
9736 (mips_file_start): Remove comment.
9737 (mips_current_loadgp_style): New function.
9738 (mips_gnu_local_gp): New variable.
9739 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9741 (mips_output_function_prologue): Use mips_current_laodgp_style.
9742 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9743 the cprestore instruction.
9744 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9745 live for TARGET_ABSOLUTE_ABICALLS.
9746 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9747 (ASM_SPEC): Pass down -mshared and -mno-shared.
9748 (MIPS_CALL): New macro.
9749 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9751 * doc/invoke.texi (-mabicalls): Update documentation.
9752 (-mshared): Document.
9754 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9756 * config/ia64/unwind-hpux.c: New file.
9757 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9759 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9762 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9764 2006-03-21 Jeff Law <law@redhat.com>
9766 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9767 type conversions of a VR_VARYING source to a wider type.
9769 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9771 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9772 tm_file on Solaris 10 and later.
9773 (sparc64-*-solaris2*): Likewise.
9774 (sparc-*-solaris2*): Likewise.
9775 * config/sol26.h: Rename to config/sol2-6.h.
9776 * config/sol2-10.h: New file.
9778 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9781 * tree-ssa-pre.c (create_component_ref_by_pieces):
9784 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9787 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9788 return it immediately.
9790 2006-03-21 Michael Matz <matz@suse.de>
9792 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9794 (remove_arc, add_arc): Update num_out_arcs member.
9795 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9797 (cache_presence): New function.
9798 (compare_states_for_equiv): New function.
9799 (state_is_differed): Don't take number of outargs, adjust callers.
9800 Use new invariant for speeding up.
9801 (init_equiv_class): Create initial classes based on sorted
9803 (partition_equiv_class): Don't track out_arcs_num.
9804 (evaluate_equiv_classes): Call cache_presence on all states and
9807 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9809 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9810 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9811 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9812 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9814 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9815 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9816 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9817 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9818 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9820 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9821 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9822 (REGNO_REG_CLASS): ARGP is in PREGS.
9823 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9825 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9826 to deal with those addresses.
9827 * addresses.h: New file.
9828 * caller-save.c: Include "addresses.h".
9829 (init_caller_save): Use new base_reg_class function.
9830 * rtl-factoring.c: Include "addresses.h".
9831 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9832 * recog.c: Include "addresses.h".
9833 (preprocess_constraints): Use new base_reg_class function.
9834 * regrename.c: Include "addresses.h".
9835 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9836 functions. Keep track of a new var INDEX_CODE to compute valid
9838 (replace_oldest_value_addr): Likewise.
9839 (replace_oldest_value_mem): Use base_reg_class.
9840 * reload.c: Include "addresses.h".
9841 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9842 (find_reloads): Use new base_reg_class function.
9843 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9844 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9845 all callers and prototype changed.
9846 * reload1.c: Include "addresses.h".
9847 (maybe_fix_stack_asms): Use base_reg_class.
9848 * regclass.c: Include "addresses.h".
9849 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9850 (init_reg_autoinc): Use new base_reg_class function.
9851 (record_reg_classes): Likewise.
9852 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9853 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9854 Use new args to compute necessary class.
9856 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9857 regrename.o, rtl-factoring.o): Update dependencies.
9858 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9859 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9860 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9861 REG_OK_FOR_INDEX_P): Delete documentation.
9863 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9865 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9866 from V7 to V9 for Solaris 7 and above.
9868 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9870 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9871 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9872 argument pointers may not alias any other storage.
9873 * common.opt: Define option -fargument-noalias-anything.
9874 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9875 alias semantics is specified by flag_argument_noalias > 2.
9877 2006-03-20 Jeff Law <law@redhat.com>
9879 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9880 (pass_phi_only_cprop): Declare.
9881 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9883 * tree-ssa-dom.c (degenerate_phi_result): New function.
9884 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9885 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9886 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9887 (eliminate_degenerate_phis): Likewise.
9888 (pass_phi_only_cprop): New pass descriptor.
9889 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9890 support code. Callers updated.
9891 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9892 (store_copy_prop): Likewise.
9893 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9895 2006-03-20 Jason Merrill <jason@redhat.com>
9898 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9899 (push_visibility, pop_visibility): Likewise.
9900 * c-pragma.h: Declare them.
9902 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9904 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9906 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9907 parameter and use get_ebb_head_tail.
9908 (sh_md_init_global): Adjust uses of find_regmode_weight.
9910 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9912 * function.h (struct function) <x_tail_recursion_reentry>:
9913 Rename to x_stack_check_probe_note.
9914 (tail_recursion_reentry): Rename to stack_check_probe_note.
9915 * function.c: Replace tail_recursion_reentry with
9916 stack_check_probe_note everywhere.
9917 (expand_function_start): Only emit a note for
9918 stack_check_probe_note with -fstack-protect.
9919 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9921 * emit-rtl.c (remove_unnecessary_notes): Remove.
9922 (pass_remove_unnecessary_notes): Remove.
9923 * rtl.h (remove_unnecessary_notes): Remove prototype.
9924 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9925 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9926 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9928 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9931 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9932 (valid_in_set): Handle ARRAY_REF.
9933 Change "if min_variant or VH" to asserts.
9934 (create_component_ref_by_pieces): Handle ARRAY_REF.
9935 (create_expression_by_pieces): Likewise.
9936 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9938 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9940 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9941 is operand of switch, not str[0].
9943 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9945 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9946 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9948 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9950 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9951 end of insn_extra_address_constraint declaration.
9953 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9955 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9956 (no-sum-in-toc): Same.
9957 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9959 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9960 NO_FP_IN_TOC for -fPIC instead of mask.
9962 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9963 (BOOT_LDFLAGS): Delete.
9965 * config/rs6000/t-aix52: Same.
9967 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9968 (stmsi[345678]_power): New.
9970 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9972 * config/ia64/ia64.opt: Add empty line to end of file.
9974 2006-03-17 Richard Guenther <rguenther@suse.de>
9977 * builtins.c (get_pointer_alignment): For component style references
9978 adjust alignment to the component type alignment. Make sure
9979 to adjust alignment for component access of constants.
9981 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9983 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9986 2006-03-17 Paul Brook <paul@codesourcery.com>
9988 * doc/install.texi: Docuemnt --with-mode.
9989 * config.gcc: Add --with-mode for arm*-*-*.
9990 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9992 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9994 * sh.c (max_labelno_before_reorg): New variable.
9995 (sh_reorg): Initialize it.
9996 (find_barrier): Check max_labelno_before_reorg before using
9997 label_to_alignment. Take length of explicit alignment insns
9998 into account. When seeing a UNSPECV_CONST_END, return it.
10000 * sh.c (fixup_mova): Set mode of affected label to QImode.
10001 (untangle_mova): New function.
10002 (find_barrier): Use it. Check mode of label before decrementing
10004 (sh_reorg): Likewise.
10005 Set mode of all insns back to VOIDmode.
10007 * sh.c (MOVA_LABELREF): New macro.
10008 (mova_p, fixup_mova, sh_reorg): Use it.
10009 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10010 ADDR_DIFF_VEC matches mova.
10012 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10014 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10015 with ATTRIBUTE_UNUSED.
10017 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10019 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10020 pointer, instead of assuming it is possible to derive the
10021 correct args size from a call insn.
10023 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10025 * rtl.h (CONST_INT_P): Define.
10026 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10027 instead of GET_CODE(x) == CONST_INT.
10028 (vax_rtx_costs): Likewise.
10029 (vax_output_int_move): Likewise.
10030 (vax_output_int_add): Likewise.
10031 (legitimate_constant_address_p): Likewise.
10032 (index_term_p): Likewise.
10033 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10034 * config/vax/vax.md (and<mode>3): Likewise.
10035 (ashrsi3): Likewise.
10037 (movstricthi): Likewise.
10038 (movstrictqi): Likewise.
10039 (rotrsi3): Likewise.
10040 (five unnamed insns): Likewise.
10042 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10044 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10045 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10046 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10047 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10048 Pass to ASM_OUTPUT_DWARF_OFFSET.
10049 * dwarf2out.c (debug_frame_section): New.
10050 (output_call_frame_info): Use debug_frame_section. Pass it to
10051 dw2_asm_output_offset.
10052 (output_die): Pass appropriate section to dw2_asm_output_offset.
10053 (output_compilation_unit_header): Likewise.
10054 (output_pubnames): Likewise.
10055 (output_aranges): Likewise.
10056 (enum dw_val_class): Break dw_val_class_lbl_offset into
10057 dw_val_class_lineptr and dw_val_class_macptr.
10058 (add_AT_lbl_offset): Delete.
10059 (add_AT_lineptr): New.
10060 (add_AT_macptr): New.
10061 (AT_lbl): Expect a lineptr or macptr.
10062 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10063 (attr_checksum): Likewise.
10064 (same_dw_val_p): Likewise.
10065 (size_of_die): Likewise.
10066 (value_format): Likewise.
10067 (output_die): Likewise.
10068 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10070 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10071 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10072 * config/darwin-protos.h (darwin_file_start): New.
10073 (darwin_asm_output_dwarf_offset): New.
10074 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10075 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10077 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10078 if not EH section; simplify.
10079 (darwin_file_start): New.
10080 (darwin_asm_output_dwarf_offset): New.
10081 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10083 (DEBUG_INFO_SECTION): Likewise.
10084 (DEBUG_ABBREV_SECTION): Likewise.
10085 (DEBUG_ARANGES_SECTION): Likewise.
10086 (DEBUG_MACINFO_SECTION): Likewise.
10087 (DEBUG_LINE_SECTION): Likewise.
10088 (DEBUG_LOC_SECTION): Likewise.
10089 (DEBUG_PUBNAMES_SECTION): Likewise.
10090 (DEBUG_STR_SECTION): Likewise.
10091 (DEBUG_RANGES_SECTION): Likewise.
10092 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10093 (ASM_OUTPUT_DWARF_OFFSET): New.
10095 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10097 * config.gcc (tm_defines): Always add to previous value rather
10100 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10102 * config/mips/predicates.md (splittable_const_int_operand): New,
10103 split from move_operand.
10104 (splittable_symbolic_operand): New.
10105 (move_operand): Add commentary. Use splittable_const_int_operand.
10106 Inline mips_atomic_symbolic_constant_p.
10107 * config/mips/mips.md: Add combine splitters for handling moves
10108 of splittable_const_int_operands and splittable_symbolic_operands.
10109 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10110 (mips_split_symbol): Declare.
10111 (mips_move_integer): Declare.
10112 * config/mips/mips.c (mips_split_p): Make global.
10113 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10114 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10115 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10116 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10117 (mips_offset_within_object_p): Handle block symbols.
10118 (mips_atomic_symbolic_constant_p): Delete.
10119 (mips_cannot_force_const_mem): Return false for constants that
10120 mips_legitimize_move can handle.
10121 (mips_use_blocks_for_constant_p): New function.
10122 (mips_split_symbol): Make global.
10123 (mips_move_integer): Likewise. Add a temporary register argument.
10124 (mips_legitimize_const_move): Use splittable_const_int_operand and
10125 splittable_symbolic_operand.
10126 (mips_use_anchors_for_symbol_p): New function.
10127 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10128 (mips_split_p): Declare.
10130 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10132 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10133 (mips*-*-linux*): Likewise.
10135 2006-03-16 Roger Sayle <roger@eyesopen.com>
10136 Daniel Speyer <dspeyer@wam.umd.edu>
10138 PR middle-end/18259
10139 * tree-dump.c (dump_real): New function.
10140 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10141 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10142 (tree-dump.o): Add $(REAL_H) to the dependencies.
10144 2006-03-16 Roger Sayle <roger@eyesopen.com>
10146 PR middle-end/21781
10147 * real.c (real_from_string): If the mantissa is zero, don't bother
10148 parsing the exponent as the result should always be zero.
10150 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10152 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10154 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10156 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10157 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10158 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10159 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10160 ia64_sched_finish_global): New static functions to implement
10161 hooks from gcc_target.sched.
10162 (spec_check_no, max_uid, pending_data_specs): New static variables.
10163 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10164 ia64_spec_check_src_p): New static functions.
10165 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10166 (TARGET_SCHED_ADJUST_COST): Removed.
10167 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10168 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10169 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10170 TARGET_SCHED_GEN_CHECK,
10171 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10172 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10173 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10174 Fixed to handle speculation checks.
10175 (rtx_needs_barrier): Fixed to handle speculative loads and
10177 (ia64_variable_issue): Added code to count speculative loads and their
10179 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10181 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10183 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10185 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10186 (ia64_reorg): Reset stops_p to NULL after it is freed.
10187 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10188 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10189 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10191 (data_speculative, control_speculative, check_load): New attributes.
10192 (mov<mode>_advanced, mov<mode>_speculative,
10193 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10194 zero_extend<mode>di2_speculative,
10195 zero_extend<mode>di2_speculative_advanced): New patterns for
10196 data and control speculative loads.
10197 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10199 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10200 New pattern for data and control speculation checks.
10201 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10202 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10203 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10204 Auxiliary definitions for the patterns.
10205 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10206 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10208 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10210 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10211 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10212 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10213 New resource constraints.
10214 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10216 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10217 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10218 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10219 msched-in-control-spec, msched-ldc, msched-control-ldc,
10220 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10221 msched-prefer-non-control-spec-insns,
10222 msched-count-spec-in-critical-path): New flags to tune speculative
10224 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10225 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10226 msched-in-control-spec, msched-ldc, msched-control-ldc,
10227 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10228 msched-prefer-non-control-spec-insns,
10229 msched-count-spec-in-critical-path): Document new flags.
10231 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10233 * target.h (struct spec_info_def): New opaque declaration.
10234 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10235 speculate_insn, needs_block_p, gen_check,
10236 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10237 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10238 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10239 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10240 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10241 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10243 (TARGET_SCHED): Use new macros.
10244 * rtl.h (copy_DEPS_LIST_list): New prototype.
10245 * sched-int.h (struct sched_info): Change signature of new_ready field,
10246 adjust all initializations. New fields: add_remove_insn,
10247 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10248 region_head_or_leaf_p.
10249 (struct spec_info_def): New structure declaration.
10250 (spec_info_t): New typedef.
10251 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10252 recovery_block, orig_pat.
10253 (glat_start, glat_end): New variables declaraions.
10254 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10256 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10257 DETACH_LIFE_INFO, USE_GLAT.
10258 (enum SPEC_SCHED_FLAGS): New enumeration.
10259 (NOTE_NOTE_BB_P): New macro.
10260 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10261 attach_life_info, debug_spec_status, check_reg_live): New functions.
10262 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10263 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10265 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10266 * ddg.c (get_block_head_tail): Adjust all uses.
10267 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10268 (sms_sched_info): Initialize new fields.
10269 (contributes_to_priority): Removed.
10270 * haifa-sched.c (params.h): New include.
10271 (get_block_head_tail): Adjust all uses.
10272 (ISSUE_POINTS): New macro.
10273 (glat_start, glat_end): New global variables.
10274 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10275 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10276 old_last_basic_block, before_recovery, current_sched_info_var,
10277 rgn_n_insns, luid): New static variables.
10278 (insn_cost1): New function. Move logic from insn_cost to here.
10279 (find_insn_reg_weight1): New function. Move logic from
10280 find_insn_reg_weight to here.
10281 (reemit_notes, move_insn, max_issue): Change signature.
10282 (move_insn1): Removed.
10283 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10284 extend_bb): New static functions to support extension of scheduler's
10286 (generate_recovery_code, process_insn_depend_be_in_spec,
10287 begin_speculative_block, add_to_speculative_block,
10288 init_before_recovery, create_recovery_block, create_check_block_twin,
10289 fix_recovery_deps): New static functions to support
10290 generation of recovery code.
10291 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10292 restore_bb_notes, move_block_after_check, move_succs): New static
10293 functions to support ebb scheduling.
10294 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10295 functions to support handling of register live information.
10296 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10297 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10298 add_jump_dependencies): New static functions.
10299 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10300 consistancy checking.
10301 (debug_spec_status): New function to call from debugger.
10302 (priority): Added code to handle speculation checks.
10303 (rank_for_schedule): Added code to distinguish speculative instructions.
10304 (schedule_insn): Added code to handle speculation checks.
10305 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10306 Fixed to handle ebbs.
10307 (move_insn): Added code to handle ebb scheduling.
10308 (max_issue): Added code to use ISSUE_POINTS of instructions.
10309 (choose_ready): Added code to choose between speculative and
10310 non-speculative instructions.
10311 (schedule_block): Added code to handle ebb scheduling and scheduling of
10312 speculative instructions.
10313 (sched_init): Initialize new variables.
10314 (sched_finish): Free new variables. Print statistics.
10315 (try_ready): Added code to handle speculative instructions.
10316 * lists.c (copy_DEPS_LIST_list): New function.
10317 * sched-deps.c (extend_dependency_caches): New function. Move logic
10318 from create_dependency_caches to here.
10319 (get_dep_weak, ds_merge): Make global.
10320 * genattr.c (main): Code to output prototype for
10321 dfa_clear_single_insn_cache.
10322 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10323 (output_dfa_clean_insn_cache_func): Code to output
10324 dfa_clear_single_insn_cache function.
10325 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10327 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10329 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10330 New static variables.
10331 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10332 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10334 (ebb_sched_info): Initialize new fields.
10335 (get_block_head_tail): Adjust all uses.
10336 (compute_jump_reg_dependencies): Fixed to use glat_start.
10337 (schedule_ebb): Code to remove unreachable last block.
10338 (schedule_ebbs): Added code to update register live information.
10339 * sched-rgn.c (region_sched_info): Initialize new fields.
10340 (get_block_head_tail): Adjust all uses.
10341 (last_was_jump): Removed. Adjust users.
10342 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10343 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10344 Implement new hooks.
10345 (check_dead_notes1): New static function.
10346 (struct region): New fields: dont_calc_deps, has_real_ebb.
10347 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10348 (BB_TO_BLOCK): Fixed to handle EBBs.
10349 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10350 (ebb_head): New static variable.
10351 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10352 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10354 (compute_dom_prob_ps): New assertion.
10355 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10356 global_live_at_start.
10357 (init_ready_list): New assertions.
10358 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10359 (new_ready): Add support for BEGIN_CONTROL speculation.
10360 (schedule_insns): Fixed code that updates register live information
10362 (schedule_region): Fixed to handle EBBs.
10363 (init_regions): Use extend_regions and check_dead_notes1.
10364 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10365 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10366 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10367 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10368 TARGET_SCHED_GEN_CHECK,
10369 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10370 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10371 * doc/invoke.texi (max-sched-insn-conflict-delay,
10372 sched-spec-prob-cutoff): Document.
10374 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10376 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10377 inter_tick, queue_index.
10378 (struct sched_info): Change signature of init_ready_list field.
10379 Adjust all initializations.
10380 (RESOLVED_DEPS): New access macro.
10381 (ready_add): Remove prototype.
10382 (try_ready): Add prototype.
10383 * sched-rgn.c (init_ready_list): Use try_ready.
10384 (schedule_region): Initialize
10385 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10386 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10387 (init_ready_list): Use try_ready.
10388 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10389 * lists.c (remove_list_elem): Remove `static'.
10390 (remove_free_INSN_LIST_elem): New function.
10391 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10392 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10393 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10395 (readyp): New variable.
10396 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10397 change_queue_index, resolve_dep): New static functions.
10398 (try_ready): New function. Adjust callers in sched-rgn.c and
10399 sched-ebb.c to use it instead of ready_add.
10400 (clock_var): Move at the begining of file.
10401 (rank_for_schedule): Fix typo.
10402 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10403 (ready_lastpos): Enforce assertion.
10404 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10405 update all callers.
10406 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10407 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10408 (queue_to_ready): Use free_INSN_LIST_list.
10409 (early_queue_to_ready): Fix typo.
10410 (schedule_block): Init readyp. Move init_ready_list call after the
10411 initialization of clock_var. Fix error in rejecting insn by
10412 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10413 that previously corrected INSN_TICKs. Add code for handling
10415 (set_priorities): Fix typo.
10416 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10417 Clarify comment and code that keeps current_sched_info->next_tail
10420 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10422 * sched-rgn.c (extend_rgns): New static function.
10423 (find_rgns): Use it.
10424 (gather_region_statistics, print_region_statistics): New static
10426 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10427 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10429 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10430 Andrey Belevantsev <abel@ispras.ru>
10432 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10433 * lists.c (unused_deps_list): New variable.
10434 (free_list): Add assertions to verify the proper distinguishing
10435 between INSN_LISTs and DEPS_LISTs.
10436 (find_list_elem, remove_list_elem, remove_list_node): New static
10438 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10439 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10440 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10441 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10443 (free_INSN_LIST_node): Likewise.
10444 * modulo-sched.c (current_sched_info): Initialize flags field.
10445 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10446 * rtl.def (DEPS_LIST): Define.
10447 * rtl.h: Declare new functions from lists.c.
10448 * sched-deps.c (spec_dependency_cache): New static variable.
10449 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10450 (add_dependence): Change return type to void. Move the logic to ...
10451 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10452 (delete_all_dependences): Add comment about forward_dependency_cache.
10453 Handle spec_dependency_cache. Handle DEPS_LISTs.
10454 (fixup_sched_groups): Clarify the change of priority of output
10455 and anti dependencies.
10456 (sched_analyze_2): Adjust add_dependence calls to create data
10457 speculative dependence.
10458 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10459 Adjust all callers. Handle DEPS_LISTS.
10460 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10461 presence of speculation.
10462 (init_dependency_caches, free_dependency_caches):
10463 Handle spec_dependency_cache.
10464 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10465 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10466 New static functions.
10467 (add_or_update_back_dep, add_or_update_back_forw_dep,
10468 add_back_forw_dep, delete_back_forw_dep): New functions.
10469 * sched-int.h (ds_t, dw_t): New typedefs.
10470 (struct sched_info): Add new field flags.
10471 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10472 Prototype new sched-deps.c functions.
10473 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10474 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10475 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10476 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10477 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10478 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10480 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10482 * sched-rgn.c (current_sched_info): Initialize flags field.
10483 (schedule_insns): Initialize current_sched_info before the sched_init
10485 * sched-ebb.c (current_sched_info): Initialize flags field.
10486 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10487 Call add_or_update_back_dep instead of add_dependence.
10488 Create control speculative dependencies.
10489 (schedule_insns): Initialize current_sched_info before the sched_init
10492 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10494 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10496 (sh_fallback_frame_state): Likewise.
10498 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10500 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10501 Do switch on default_use_cxa_atexit.
10502 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10503 * config/darwin-crt3.o: New.
10504 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10505 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10506 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10508 * config/rs6000/t-darwin: Move crt2.o building to here.
10509 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10510 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10513 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10515 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10516 from '! xxx' to '!xxx' for coding-style conformance.
10517 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10518 (EXTRA_CONSTRAINT): Likewise.
10519 * config/vax/vax.md (four unnamed insns): Likewise.
10521 2006-03-15 Paul Brook <paul@codesourcery.com>
10523 * config/arm/arm.c (minipool_pad): New.
10524 (add_minipool_forward_ref): Include pool alignment padding in address
10526 (push_minipool_fix): Set minipool_pad.
10527 (minipool_pad): Ditto.
10529 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10531 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10532 instead of GET_CODE() == MEM and REG_P() instead of
10534 (print_operand_address): Likewise.
10535 (vax_address_cost): Likewise.
10536 (vax_rtx_costs): Likewise.
10537 (vax_notice_update_cc): Likewise.
10538 (vax_output_int_add): Likewise.
10539 (INDEX_REGISTER_P): Likewise.
10540 (BASE_REGISTER_P): Likewise.
10541 (nonindexed_address_p): Likewise.
10542 (vax_mode_dependent_address_p): Likewise.
10543 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10544 (PRINT_OPERAND): Likewise.
10545 * config/vax/vax.md (ashlsi3): Likewise.
10546 (ashlsi3): Likewise.
10547 (some more unnamed insns): Likewise.
10549 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10551 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10552 iterator-style macro.
10553 (mark_control_dependent_edges_necessary): Update the use of
10554 EXECUTE_IF_CONTROL_DEPENDENT.
10556 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10558 * config/sh/predicates.md (cache_address_operand): Special.
10559 (ua_address_operand): Likewise.
10561 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10563 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10565 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10567 2006-03-15 Andreas Schwab <schwab@suse.de>
10569 * gensupport.c (identify_predicable_attribute): Don't free p_false
10570 when it is still in use.
10572 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10574 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10575 the default setting here.
10577 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10579 * tree-pass.h (pass_cfg): Remove.
10580 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10581 * passes.c (pass_cfg): Don't run it.
10583 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10585 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10586 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10588 (stack_regs_mentioned): Update the uses of
10589 stack_regs_mentioned_data. Don't access the array beyond its
10591 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10592 Don't include gt-reg-stack.h.
10594 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10595 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10597 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10599 PR middle-end/26684
10600 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10603 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10605 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10607 2006-03-14 Richard Guenther <rguenther@suse.de>
10609 PR tree-optimization/26672
10610 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10613 2006-03-14 Richard Guenther <rguenther@suse.de>
10615 PR tree-optimization/26667
10616 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10617 node for the callees. Always allow inlining if it will shrink
10620 2006-03-14 Richard Guenther <rguenther@suse.de>
10622 PR middle-end/26659
10623 * builtins.c (get_pointer_alignment): Prefer alignment
10624 information from decls over that from types.
10626 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10629 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10631 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10633 * config/rs6000/rs6000.opt (mdlmzb): New option.
10634 (msched-prolog, msched-epilog): Use Var not Mask.
10635 * doc/invoke.texi (-mdlmzb): Document.
10636 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10638 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10639 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10641 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10643 PR rtl-optimization/25739
10644 * bt-load.c (augment_live_range): Free tos pointer.
10646 * gensupport.c (identify_predicable_attribute): Free
10648 * gcov.c (create_file_names): Free name pointer.
10650 2006-03-13 Roger Sayle <roger@eyesopen.com>
10652 PR middle-end/26557
10653 * stmt.c (emit_case_nodes): Handle the case where the index is a
10654 CONST_INT, where the comparison mode is specified by the index type.
10656 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10658 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10661 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10663 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10664 (*branch_fp_inverted): Likewise.
10666 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10668 PR middle-end/25989
10669 * omp-low.c (expand_omp_for_generic): Mark istart0
10670 and iend0 as addressable.
10672 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10674 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10676 2006-03-13 Jeff Law <law@redhat.com>
10678 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10679 virtual operands are interesting.
10680 (vrp_visit_stmt): Corresponding changes.
10682 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10684 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10686 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10687 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10688 * config/bfin/crti.S: Use it instead of __PIC__.
10689 * config/bfin/crtn.S: Likewise.
10691 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10692 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10694 Lose 'G' modifier for call operand.
10695 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10696 recognize 'G' modifier.
10698 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10700 PR middle-end/18859
10701 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10702 * stmt.c (expand_case): Likewise.
10704 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10706 PR rtl-optimization/26254
10707 * loop-invariant.c (seq_insns_valid_p): New function.
10708 (move_invariant_reg): Only emit new code if it is valid.
10710 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10712 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10714 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10715 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10716 (commit_one_edge_insertion): Do not look for loop notes.
10718 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10720 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10721 flag_test_coverage out of loop.
10723 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10725 * final.c (shorten_branches): Remove outdated comment, and turn
10726 the if branch that guards it to continue.
10728 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10730 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10731 * cfgloop.h (struct loop): Remove unused fields.
10733 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10735 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10736 (-dL, -fdump-rtl-loop2): Update the dump file names
10738 * doc/invoke.texi: Update dump file names.
10740 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10742 * predict.c (estimate_probability): Remove.
10743 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10744 * basic-block.h (estimate_probability): Remove prototype.
10745 * passes.c (finish_optimization_passes): Dump branch prediction or
10746 profiling heuristics to the .profile tree dump.
10747 (init_optimization_passes): Unqueue pass_branch_prob.
10749 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10751 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10753 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10754 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10756 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10758 * function.h (frame_offset_overflow): Declare.
10759 * function.c (frame_offset_overflow): New function.
10760 (assign_stack_local_1): Call it to detect that the offset overflows.
10761 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10763 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10765 * config/sh/sh.c: Include alloc-pool.h.
10766 (label_ref_list_pool): New alloc pool.
10767 (label_ref_list_t): New type for lists of labels.
10768 (struct pool_node): Make wend a label_ref_list_t.
10769 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10771 (dump_table): Likewise.
10772 (sh_reorg): Set up the alloc pool before using add_constant and
10773 dump_table, and destroy it when finishing.
10775 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10777 * config/mips/mips.c: Remove redundant comment.
10779 2006-03-10 Jason Merrill <jason@redhat.com>
10782 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10783 the target was declared 'register'.
10785 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10787 * genpreds.c (write_insn_constraint_len): Change definition of
10788 insn_constraint_len to return size_t to match the declaration.
10790 2006-03-10 DJ Delorie <dj@redhat.com>
10792 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10794 (m32c_expand_insv): Fix test for an AND mask.
10796 2006-03-10 Richard Guenther <rguenther@suse.de>
10798 PR middle-end/26565
10799 * builtins.c (get_pointer_alignment): Handle component
10800 references for field alignment.
10802 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10804 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10805 when building with libgloss.
10806 (sh*elf): Implement --without-fp option.
10807 (sh64-superh-linux*): Don't multilib.
10809 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10811 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10813 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10815 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10816 Set it when one of the replacement functions returned true.
10817 Return TODO_cleanup_cfg if cfgchanged is true.
10818 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10820 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10822 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10823 instead of gen_lowpart.
10825 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10827 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10829 (mips_output_order_conditional_branch): Declare.
10830 * config/mips/mips.h (MIPS_BRANCH): New macro.
10831 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10832 for the comparison. Use gen_condjump.
10833 (mips_output_conditional_branch): Rework interface to take the
10834 asm templates for a direct branch and the inverse of a direct branch.
10835 (mips_output_order_conditional_branch): New function.
10836 (mips_builtin_branch_and_move): New function.
10837 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10838 branch condition. Use gen_single_cc as the condition for
10839 __builtin_mips_upper_* or __builtin_mips_lower_*.
10840 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10841 Use VOIDmode for the branch condition.
10842 * config/mips/predicates.md (order_operator): New predicate.
10843 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10844 (branch_fp): Rename to...
10845 (*branch_fp): ...this. Remove mode from comparison operator.
10846 Use new mips_output_conditional_branch interface.
10847 (branch_fp_inverted): Rename to...
10848 (*branch_fp_inverted): ...this and update as for *branch_fp.
10849 (*branch_zero<mode>): Rename to...
10850 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10851 Use mips_output_order_conditional_branch. Only accept ordered
10853 (*branch_zero<mode>_inverted): Rename to...
10854 (*branch_order<mode>_inverted): ...this and update as for
10855 *branch_order<mode>.
10856 (*branch_equality<mode>): Accept zero as the second operand to
10857 the equality operator. Use the new mips_output_conditional_branch
10859 (*branch_equality<mode>_inverted): Likewise.
10860 (condjump): New expander.
10861 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10863 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10864 (bc1any2t, bc1any2f): Likewise.
10865 (single_cc): New expander.
10866 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10868 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10870 * doc/md.texi: Update documentation of MIPS constraints.
10871 * config/mips/constraints.md: New file.
10872 * config/mips/mips.md: Include it.
10873 * config/mips/mips.c (mips_char_to_class): Delete.
10874 (override_options): Don't initialize mips_char_to_class.
10875 * config/mips/mips.h (mips_char_to_class): Delete.
10876 (REG_CLASS_FROM_LETTER): Delete.
10877 (CONST_OK_FOR_LETTER_P): Delete.
10878 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10879 (EXTRA_CONSTRAINT_Y): Delete.
10880 (EXTRA_CONSTRAINT_STR): Delete.
10881 (CONSTRAINT_LEN): Delete.
10882 (EXTRA_MEMORY_CONSTRAINT): Delete.
10884 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10886 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10887 original fn's eh regions.
10889 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10891 * fold-const.c (build_range_check): Make sure to use a valid type to
10892 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10895 (range_predecessor): New static function.
10896 (range_successor): Likewise.
10897 (merge_ranges): Use them to compute predecessors and successors of
10900 2006-03-09 Roger Sayle <roger@eyesopen.com>
10902 PR middle-end/26561
10903 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10904 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10906 2006-03-08 DJ Delorie <dj@redhat.com>
10908 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10909 (addpsi3): Expand to include memory operands. Remove
10910 reload-specific splits.
10911 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10912 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10913 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10914 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10915 (shift1_qi, shift1_hi, insv): New.
10916 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10917 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10918 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10920 * config/m32c/m32c-protos.h: Update as needed.
10921 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10922 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10923 Fail for unrecognized R* constraints.
10924 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10925 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10926 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10928 (m32c_init_libfuncs): New.
10929 (m32c_legitimate_address_p): Add debug wrapper.
10930 (m32c_rtx_costs): New.
10931 (m32c_address_cost): New.
10932 (conversions): Add 'B' prefix.
10933 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10934 operands, or word regnames for QI operands. 'B' prints bit
10936 (m32c_expand_setmemhi): New.
10937 (m32c_expand_movmemhi): New.
10938 (m32c_expand_movstr): New.
10939 (m32c_expand_cmpstr): New.
10940 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10941 (m32c_expand_neg_mulpsi3): Handle non-ints.
10942 (m32c_cmp_flg_0): New.
10943 (m32c_expand_movcc): New.
10944 (m32c_expand_insv): New.
10945 (m32c_scc_pattern): New.
10946 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10947 a0/a1 out of SIregs.
10948 (STORE_FLAG_VALUE): New.
10949 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10952 * config/m32c/mov.md: Make constraints more liberal.
10953 (zero_extendqihi2): Optimize r0/r1 case.
10954 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10955 * config/m32c/predicates.md (m32c_any_operand): New.
10956 (m32c_nonimmediate_operand): New.
10957 (m32c_hl_operand): New.
10958 (m32c_r3_operand): New.
10961 (memsym_operand): New.
10962 (memimmed_operand): New.
10963 (a_qi_operand): New.
10964 (m32c_eqne_operator): New.
10965 (m32c_1bit8_operand): New.
10966 (m32c_1bit16_operand): New.
10967 (m32c_1mask8_operand): New.
10968 (m32c_1mask16_operand): New.
10969 * config/m32c/blkmov.md: New file.
10970 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10972 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10974 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10975 unsigned to fix signed/unsigned comparison issue in
10976 DWARF2_FRAME_REG_OUT.
10977 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10978 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10980 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10981 of ptr into the ENABLE_CHECKING section.
10983 2006-03-08 Jeff Law <law@redhat.com>
10985 * tree-vrp.c (infer_value_range): Only count pointer uses
10986 and dereferences if -fdelete-null-pointer-checks is enabled.
10988 * tree-vrp.c (find_assert_locations): Infer value ranges for
10989 single use pointers, but do not create ASSERT_EXPRs for them.
10990 When a non-null range is inferred for a pointer, backwards
10991 propagate that range to other equivalent pointers through the
10994 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10997 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10998 language hook targets.
10999 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11000 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11001 if language hook targets were missing.
11003 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11005 * tree-ssa-opfinalize.h: Removed.
11006 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11008 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11009 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11010 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11011 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11012 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11013 finalize_ssa_v_must_def_ops): New.
11015 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11017 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11018 block as parameter.
11020 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11022 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11024 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11025 addresses with offsets; reorganize.
11027 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11028 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11029 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11031 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11034 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11036 2006-03-08 Ben Elliston <bje@au.ibm.com>
11038 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11040 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11043 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11046 2006-03-07 Richard Guenther <rguenther@suse.de>
11048 PR tree-optimization/26587
11049 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11051 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11053 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11055 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11057 * hooks.c (hook_bool_mode_rtx_true): New function.
11058 * hooks.h (hook_bool_mode_rtx_true): Declare.
11059 * toplev.c (compile_file): Call output_shared_constant_pool.
11060 * varasm.c (shared_constant_pool): New variable.
11061 (assemble_start_function, assemble_end_function): Remove arguments
11062 from call to output_constant_pool.
11063 (create_constant_pool): New function, split out from...
11064 (init_varasm_status): ...here.
11065 (force_const_mem): Choose between the shared and per-function constant
11066 pools. Set current_function_uses_const_pool when reusing old entries
11067 as well as when creating new ones.
11068 (mark_constant): Ignore data argument.
11069 (mark_constants): Remove pool argument.
11070 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11071 to decide whether the function uses a constant pool.
11072 (output_constant_pool_contents): New function, split out from...
11073 (output_constant_pool): ...here.
11074 (output_shared_constant_pool): New function.
11075 (init_varasm_once): Initialize shared_constant_pool.
11076 * output.h (output_constant_pool): Delete.
11077 (output_shared_constant_pool): Declare.
11078 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11079 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11081 2006-03-06 Nick Clifton <nickc@redhat.com>
11083 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11084 flag_strength_reduce.
11086 2006-03-06 Ben Elliston <bje@au.ibm.com>
11088 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11089 x86_64-*-linux* configurations.
11091 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11092 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11094 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11096 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11098 * basic-block.h: Remove the extern for
11099 rediscover_loops_after_threading.
11101 * cfgloop.c (cancel_loop): Make it static.
11102 * cfgloop.h: Remove the prototype for cancel_loop.
11104 * flow.c (recompute_reg_usage): Make it static.
11105 * rtl.h: Remove the prototype for recompute_reg_usage.
11107 * function.c (use_return_register): Make it static.
11108 * function.h: Remove the prototype.
11110 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11112 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11114 * recog.h: Remove the prototype for
11115 validate_change_maybe_volatile.
11117 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11119 * rtlanal.c (replace_reg): Remove.
11120 * rtl.h: Remove the prototype for replace_reg.
11122 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11124 * regclass.c (reg_scan_update): Remove.
11125 (reg_scan_mark_refs): Remove the last argument.
11126 * rtl.h: Remove the prototype for reg_scan_update.
11128 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11130 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11131 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11132 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11133 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11134 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11135 loop-invariant.c, omp-low.c, opts.c, passes.c,
11136 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11137 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11138 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11139 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11140 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11141 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11143 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11145 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11146 * dwarf2out.h: Remove the prototype for
11147 dwarf2out_add_library_unit_info.
11149 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11151 * tree.c (add_var_to_bind_expr): Remove.
11152 * tree.h: Remove the prototype for add_var_to_bind_expr.
11154 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11156 * regclass.c (n_non_fixed_regs): Remove.
11157 (init_reg_sets_1, globalize_reg): Remove all uses of
11159 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11161 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11163 * rtlanal.c (insns_safe_to_move_p): Remove.
11164 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11166 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11168 * expmed.c (expand_mult_add): Remove.
11169 * expr.h: Remove the prototype for expand_mult_add.
11171 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11173 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11174 and REG_SAVED_VAL_EXP constants.
11175 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11176 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11177 Handle regs stored by value.
11178 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11179 (execute_cfa_program): Handle DW_CFA_val_offset,
11180 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11181 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11182 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11183 (uw_install_context_1): Handle target regs stored by value.
11185 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11187 * tree-sra.c (tree_sra): Return todoflags;
11188 (generate_one_element): Set TODO_update_smt_usage if needed.
11189 (pass_sra): Remove TODO_update_smt_usage.
11190 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11192 (tree_ssa_forward_propagate_single_use_vars): Return
11193 TODO_update_smt_usage if we need to update SMT usage.
11194 (pass_forwprop): Remove TODO_update_smt_usage.
11196 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11198 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11199 (correct_use_link): Remove reference to get_stmt_operands.
11200 (update_stmt_operands): Likewise.
11201 (get_modify_expr_operands): New function factored out of
11202 parse_ssa_operands and get_expr_operands.
11203 Try to create V_MUST_DEFs for LHS by default.
11204 (get_expr_operands) <case MODIFY_EXPR>: Call
11205 get_modify_expr_operands.
11206 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11207 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11208 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11209 get_modify_expr_operands.
11211 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11213 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11214 * tree-flow.h: Remove the prototype for
11215 referenced_var_lookup_if_exists.
11217 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11219 PR rtl-optimization/26345
11221 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11223 2006-03-03 Roger Sayle <roger@eyesopen.com>
11225 PR tree-optimization/26524
11226 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11227 fold_convert to create a constant of the appropriate type.
11229 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11231 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11232 SYMBOL_REF_IN_BLOCK_P.
11233 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11234 of SYMBOL_FLAG_IN_BLOCK.
11235 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11236 instead of SYMBOL_REF_IN_BLOCK_P.
11237 * explow.c (use_anchored_address): Likewise.
11238 * rtl.c (rtx_size): Likewise.
11239 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11240 instead of SYMBOL_FLAG_IN_BLOCK.
11241 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11242 SYMBOL_REF_IN_BLOCK_P.
11243 (assemble_variable): Likewise.
11244 (output_constant_def_contents): Likewise.
11245 (output_constant_pool): Likewise.
11246 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11247 instead of SYMBOL_FLAG_IN_BLOCK.
11248 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11249 SYMBOL_REF_IN_BLOCK_P.
11250 (SYMBOL_REF_BLOCK): Likewise.
11251 (SYMBOL_REF_OFFSET): Likewise.
11252 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11253 SYMBOL_REF_IN_BLOCK_P.
11254 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11255 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11256 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11257 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11259 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11261 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11263 2006-03-02 Roger Sayle <roger@eyesopen.com>
11265 * simplify-rtx.c (simplify_unary_operation): When simplifying
11266 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11267 that we perform the right shift in the appropriate mode, and
11268 then extend or truncate the result to requested mode.
11270 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11272 * gengtype.c (main): Handle double_int type.
11273 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11274 * double-int.c: New file.
11275 * double-int.h: New file.
11276 * system.h: Include doubleint.h.
11277 * Makefile.in (SYSTEM_H): Include double-int.h.
11278 (double-int.o): Add.
11280 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11283 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11286 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11288 * tree-vrp.c (remove_range_assertions): Do not update statements
11291 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11293 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11295 * gcse.c (rest_of_handle_gcse): Ditto.
11296 * except.c (gate_handle_eh): Ditto.
11297 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11298 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11300 2006-03-02 Eric Christopher <echristo@apple.com>
11302 * config/i386/i386.c (machopic_output_stub): Add indirection to
11305 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11309 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11311 Sun Niagara specific optimizations.
11312 * config.gcc: Recognize niagara as target.
11313 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11314 (TARGET_CPU_niagara): Define.
11315 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11316 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11317 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11318 (ASM_CPU_SPEC): Likewise.
11319 (PROCESSOR_NIAGARA): New enum entry.
11320 (REGISTER_MOVE_COST): Handle Niagara.
11321 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11322 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11323 (sparc_override_options): Recognize "niagara", set appropriate
11324 default MASK_* values for it, and align functions to 32-bytes
11325 by default just like ULTRASPARC/ULTRASPARC3.
11326 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11327 (sparc64_initialize_trampoline): Likewise.
11328 (sparc_use_sched_lookahead): Use zero for niagara.
11329 (sparc_issue_rate): Use one for niagara.
11330 * config/sparc/niagara.md: New file.
11331 * config/sparc/sparc.md: Include it.
11332 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11333 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11334 when default cpu is niagara.
11335 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11336 (ASM_CPU_SPEC): Likewise.
11337 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11338 when default cpu is niagara.
11339 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11340 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11341 just like v9/ultrasparc/ultrasparc3.
11342 * doc/invoke.texi: Add documentation for "niagara" and improve
11343 existing documentation for ultrasparc variants.
11345 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11347 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11349 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11351 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11352 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11353 and say that only one is needed.
11354 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11355 * target.h (have_switchable_bss_sections): New hook.
11356 * explow.c (use_anchored_address): Check that the symbol is in a block.
11357 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11358 (bss_noswitch_section): New variables.
11359 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11360 (get_noswitch_section): New function.
11361 (get_block_for_section): Allow SECT to be null.
11362 (unlikely_text_section_p): Use SECTION_STYLE.
11363 (bss_initializer_p): New function.
11364 (get_variable_section): Move earlier in file. Take a new argument,
11365 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11366 Return one of the new *_sections in such cases.
11367 (get_block_for_decl): New function, extracting some logic from
11368 use_blocks_for_decl_p.
11369 (change_symbol_section): Remove in favor of...
11370 (change_symbol_block): ...this new function.
11371 (use_blocks_for_decl_p): Remove checks now performed by
11372 get_block_for_decl.
11373 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11374 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11375 (emit_local, emit_bss, emit_common): ...these new functions.
11376 Return true if the alignment was honored.
11377 (emit_tls_common): New function.
11378 (asm_emit_uninitialised): Delete.
11379 (assemble_variable_noswitch): New function, split out from...
11380 (assemble_variable): ...here. Don't make decisions about common
11381 variables here. Globalize all public decls that go into non-common
11382 sections. Check whether SYMBOL_REF_BLOCK is null.
11383 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11384 (output_constant_pool): Likewise.
11385 (init_varasm_once): Initialize the new section variables.
11386 (have_global_bss_p): New function.
11387 (categorize_decl_for_section): Use bss_initializer_p.
11388 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11389 (place_block_symbol): Assert that the symbol must be in a block.
11390 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11391 (TARGET_INITIALIZER): Include it.
11392 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11393 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11394 (SECTION_MACH_DEP): Bump by two.
11395 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11396 (unnamed_section): Mention SECTION_UNNAMED in comment.
11397 (named_section): Likewise SECTION_NAMED.
11398 (noswitch_section_callback): New type.
11399 (noswitch_section): New structure.
11400 (section): Add a noswitch_section alternative.
11401 (SECTION_STYLE): New macro.
11402 (tls_comm_section, comm_section, lcomm_section): Declare.
11403 (bss_noswitch_section, have_global_bss_p): Declare.
11404 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11405 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11407 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11408 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11411 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11413 * tree-vrp.c (execute_vrp): Return value.
11414 * regrename.c (rest_of_handle_regrename): Ditto.
11415 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11416 * tree-complex.c (tree_lower_complex): Ditto.
11417 (tree_lower_complex_O0): Ditto.
11418 * tracer.c (rest_of_handle_tracer): Ditto.
11419 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11420 * postreload.c (rest_of_handle_postreload): Ditto.
11421 * tree-tailcall.c (execute_tail_recursion): Ditto.
11422 (execute_tail_calls): Ditto.
11423 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11424 * tree.h (init_function_for_compilation): Ditto.
11425 * ipa-cp.c (ipcp_driver): Ditto.
11426 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11427 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11428 * final.c (compute_alignments): Ditto.
11429 (rest_of_handle_final): Ditto.
11430 (rest_of_handle_shorten_branches): Ditto.
11431 (rest_of_clean_state): Ditto.
11432 * omp-low.c (execute_expand_omp): Ditto.
11433 (execute_lower_omp): Ditto.
11434 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11435 * ipa-reference.c (static_execute): Ditto.
11436 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11437 * reorg.c (rest_of_handle_delay_slots): Ditto.
11438 (rest_of_handle_machine_reorg): Ditto.
11439 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11440 * flow.c (recompute_reg_usage): Ditto.
11441 (rest_of_handle_remove_death_notes): Ditto.
11442 (rest_of_handle_life): Ditto.
11443 (rest_of_handle_flow2): Ditto.
11444 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11445 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11446 (do_ssa_store_ccp): Ditto.
11447 (execute_fold_all_builtins): Ditto.
11448 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11449 * modulo-sched.c (rest_of_handle_sms): Ditto.
11450 * ipa-pure-const.c (static_execute): Ditto.
11451 * cse.c (rest_of_handle_cse): Ditto.
11452 (rest_of_handle_cse2): Ditto.
11453 * web.c (rest_of_handle_web): Ditto.
11454 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11455 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11456 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11457 * tree-nrv.c (tree_nrv): Ditto.
11458 (execute_return_slot_opt): Ditto.
11459 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11460 (create_structure_vars): Ditto.
11461 * loop-init.c (rtl_loop_init): Ditto.
11462 (rtl_loop_done): Ditto.
11463 (rtl_move_loop_invariants): Ditto.
11464 (rtl_unswitch): Ditto.
11465 (rtl_unroll_and_peel_loops): Ditto.
11466 (rtl_doloop): Ditto.
11467 * gimple-low.c (lower_function_body): Ditto.
11468 (mark_used_blocks): Ditto.
11469 * tree-ssa-sink.c (execute_sink_code): Ditto.
11470 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11471 (cgraph_early_inlining): Ditto.
11472 * global.c (rest_of_handle_global_alloc): Ditto.
11473 * jump.c (cleanup_barriers): Ditto.
11474 (purge_line_number_notes): Ditto.
11475 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11476 (rest_of_handle_if_after_reload): Ditto.
11477 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11478 (tree_ssa_loop_im): Ditto.
11479 (tree_ssa_loop_unswitch): Ditto.
11480 (tree_vectorize): Ditto.
11481 (tree_linear_transform): Ditto.
11482 (tree_ssa_loop_ivcanon): Ditto.
11483 (tree_ssa_empty_loop): Ditto.
11484 (tree_ssa_loop_bounds): Ditto.
11485 (tree_complete_unroll): Ditto.
11486 (tree_ssa_loop_prefetch): Ditto.
11487 (tree_ssa_loop_ivopts): Ditto.
11488 (tree_ssa_loop_done): Ditto.
11489 * predict.c (tree_estimate_probability): Ditto.
11490 * recog.c (split_all_insns_noflow): Ditto.
11491 (rest_of_handle_peephole2): Ditto.
11492 (rest_of_handle_split_all_insns): Ditto.
11493 * tree-eh.c (lower_eh_constructs): Ditto.
11494 * regmove.c (rest_of_handle_regmove): Ditto.
11495 (rest_of_handle_stack_adjustments): Ditto.
11496 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11497 * function.c (instantiate_virtual_regs): Ditto.
11498 (init_function_for_compilation): Ditto.
11499 (rest_of_handle_check_leaf_regs): Ditto.
11500 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11501 (rest_of_handle_gcse): Ditto.
11502 * ipa-type-escape.c (type_escape_execute): Ditto.
11503 * alias.c (rest_of_handle_cfg): Ditto.
11504 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11505 * profile.c (rest_of_handle_branch_prob): Ditto.
11506 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11507 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11508 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11509 * tree-dfa.c (find_referenced_vars): Ditto.
11510 * except.c (set_nothrow_function_flags): Ditto.
11511 (convert_to_eh_region_ranges): Ditto.
11512 (rest_of_handle_eh): Ditto.
11513 * emit-rtl.c (unshare_all_rtl): Ditto.
11514 (remove_unnecessary_notes): Ditto.
11515 * except.h (set_nothrow_function_flags): Ditto.
11516 (convert_to_eh_region_ranges): Ditto.
11517 * cfgexpand.c (tree_expand_cfg): Ditto.
11518 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11519 * tree-ssa-pre.c (do_pre): Ditto.
11520 (execute_fre): Ditto.
11521 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11522 (rest_of_handle_jump2): Ditto.
11523 * tree-sra.c (tree_sra): Ditto.
11524 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11525 (execute_mudflap_function_decls): Ditto.
11526 * tree-ssa-copy.c (do_copy_prop): Ditto.
11527 (do_store_copy_prop): Ditto.
11528 * ipa-prop.h (ipcp_driver): Ditto.
11529 * cfglayout.c (insn_locators_initialize): Ditto.
11530 * tree-ssa-forwprop.c
11531 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11532 * cfglayout.h (insn_locators_initialize): Ditto.
11533 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11534 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11535 (execute_late_warn_uninitialized): Ditto.
11536 * rtl.h (cleanup_barriers): Ditto.
11537 (split_all_insns_noflow): Ditto.
11538 (purge_line_number_notes): Ditto.
11539 (unshare_all_rtl): Ditto.
11540 (remove_unnecessary_notes): Ditto.
11541 (recompute_reg_usage): Ditto.
11542 (variable_tracking_main): Ditto.
11543 * integrate.c (emit_initial_value_sets): Ditto.
11544 * integrate.h (emit_initial_value_sets): Ditto.
11545 * tree-optimize.c (execute_free_datastructures): Ditto
11546 (execute_free_cfg_annotations): Ditto.
11547 (execute_fixup_cfg): Ditto.
11548 (execute_cleanup_cfg_pre_ipa): Ditto.
11549 (execute_cleanup_cfg_post_optimizing): Ditto.
11550 (execute_init_datastructures): Ditto.
11551 * tree-object-size.c (compute_object_sizes): Ditto.
11552 * combine.c (rest_of_handle_combine): Ditto.
11553 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11554 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11555 (rest_of_handle_reorder_blocks): Ditto.
11556 (rest_of_handle_partition_blocks): Ditto.
11557 * var-tracking.c (variable_tracking_main): Ditto.
11558 * tree-profile.c (tree_profiling): Ditto.
11559 * tree-vect-generic.c (expand_vector_operations): Ditto.
11560 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11561 * sched-rgn.c (rest_of_handle_sched): Ditto.
11562 (rest_of_handle_sched2): Ditto.
11563 * basic-block.h (free_bb_insn): Ditto.
11564 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11565 * tree-cfg.c (execute_build_cfg): Ditto.
11566 (remove_useless_stmts): Ditto.
11567 (split_critical_edges): Ditto.
11568 (execute_warn_function_return): Ditto.
11569 (execute_warn_function_noreturn): Ditto.
11570 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11571 * cfgrtl.c (free_bb_for_insn): Ditto.
11572 * passes.c (execute_one_pass): Run additional
11573 todos returned by execute function.
11574 * tree-pass.h (struct tree_opt_pass): Make execute
11577 2006-03-02 Richard Guenther <rguenther@suse.de>
11579 * tree-ssa-alias.c (find_used_portions): Consider taking
11580 the address as making the variable not write-only.
11582 2006-03-02 Nick Clifton <nickc@redhat.com>
11584 * config.gcc (default_use_cxa_atexit): Extend the description of
11585 this configure variable. Set its default value to "yes" for
11586 Linux, NetBSD and ELF targets on the assumption that they will
11587 use C libraries with the __cxa_atexit function.
11589 2006-03-02 Ben Elliston <bje@au.ibm.com>
11591 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11592 parameter as unused to suppress a build warning.
11594 2006-03-02 Ben Elliston <bje@au.ibm.com>
11596 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11599 2006-03-01 Roger Sayle <roger@eyesopen.com>
11602 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11603 declared name, the weak reference name, and the typeof name.
11604 (__gthrw): Avoid expanding the declared name suffix.
11605 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11607 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11609 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11611 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11612 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11613 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11614 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11615 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11616 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11617 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11618 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11619 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11620 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11621 (DW_END_default, DW_END_big, DW_END_little): New.
11622 (DW_END_lo_user, DW_END_hi_user): Define.
11623 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11624 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11625 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11628 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11630 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11632 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11634 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11636 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11638 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11639 to 'symbol_mem_tag'.
11641 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11644 2006-03-01 Roger Sayle <roger@eyesopen.com>
11646 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11648 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11651 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11652 MACHO_DYNAMIC_NO_PIC_P.
11653 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11655 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11658 * config/darwin-protos.h (darwin_asm_output_anchor):
11660 * config/darwin-sections.def (cstring_section):
11661 Add SECTION_MERGE to the flags.
11662 (literal4_section): Likewise.
11663 (literal8_section): Likewise.
11664 (objc_selector_refs_section): Likewise.
11665 (objc_cls_refs_section): Likewise.
11666 * config/darwin.c (darwin_asm_output_anchor): New
11668 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11670 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11672 Fix PR tree-optimization/26443
11673 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11674 to todo and PROP_tmt_usage to properties_destroyed.
11675 * tree-ssa-ccp.c (pass_ccp): Ditto.
11676 (pass_store_ccp): Ditto.
11677 * tree-ssa-dom.c (pass_dominator): Ditto.
11679 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11681 * tree-ssa-operands.c: Cleanup whitespace.
11682 (get_asm_expr_operands): Move before first invocation.
11683 (get_indirect_ref_operands): Likewise.
11684 (get_tmr_operands): Likewise.
11685 (get_call_expr_operands): Likewise.
11686 (append_def): Likewise.
11687 (append_use): Likewise.
11688 (append_v_may_def): Likewise.
11689 (append_v_must_def): Likewise.
11690 (add_call_clobber_ops): Likewise.
11691 (add_call_read_ops): Likewise.
11692 (add_stmt_operand): Likewise.
11693 (add_virtual_operand): Likewise.
11694 (build_ssa_operands): Likewise.
11696 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11698 PR middle-end/26022
11700 PR middle-end/24437
11701 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11702 with a call expr to ...
11703 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11705 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11707 * tree-vrp.c (extract_range_from_assert): Remove special
11708 handling for types with super-types.
11710 2006-03-01 Ben Elliston <bje@au.ibm.com>
11712 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11713 and powerpc64-*-linux* configurations.
11714 * config/t-dfprules: New file.
11716 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11717 Compile dfp-bit.c from the source directory using -DWIDTH and
11718 $DFP_CFLAGS to control the compilation of that file, rather than
11719 generating width-specific versions in the build directory.
11720 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11721 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11723 2006-02-28 Zack Weinberg <zackw@panix.com>
11725 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11728 2006-02-28 Eric Christopher <echristo@apple.com>
11730 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11731 Set up IN_LIBGCC definition of TARGET_64BIT.
11732 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11734 2006-02-28 Roger Sayle <roger@eyesopen.com>
11736 PR middle-end/14752
11737 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11738 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11739 cases via the construction of "expr != 0".
11741 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11743 * alias.c (alias_invariant, alias_invariant_size): Remove.
11744 (record_base_value): Remove.
11745 (memrefs_conflict_p): Don't look at alias_invariant.
11746 (end_alias_analysis): Don't free it.
11747 * alias.h (record_base_value): Remove prototype.
11749 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11750 Adam Nemet <anemet@caviumnetworks.com>
11752 * rtl.h (truncated_to_mode): Declare it.
11753 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11754 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11755 (RTL_HOOKS_INITIALIZER): Include it.
11756 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11757 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11758 reg_truncated_to_mode.
11759 * rtlanal.c (truncated_to_mode): Define it.
11760 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11762 2006-02-28 Jeff Law <law@redhat.com>
11764 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11765 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11766 the range allowed by TYPE_PRECISION.
11768 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11770 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11772 PR tree-optimization/26419
11773 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11776 2006-02-27 Zack Weinberg <zackw@panix.com>
11778 * doc/md.texi: Fix typo in previous change.
11780 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11784 2006-02-27 Zack Weinberg <zackw@panix.com>
11786 * rtl.def (define_constraint, define_register_constraint)
11787 (define_memory_constraint, define_address_constraint): New MD forms.
11788 * gensupport.c (process_rtx): Put define_constraint etc on the
11790 * genpreds.c (process_define_predicate): Adjust comment. Validate
11791 the name, and call validate_exp to validate the expression.
11792 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11793 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11794 all callers changed.
11795 (validate_exp, needs_variable, struct constraint_data)
11796 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11797 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11798 (const_dbl_constraints, constraint_max_namelen)
11799 (have_register_constraints, have_memory_constraints)
11800 (have_address_constraints, have_address_constraints)
11801 (have_extra_constraints, have_const_int_constraints)
11802 (have_const_dbl_constraints, mangle, add_constraint)
11803 (process_define_constraint, process_define_register_constraint)
11804 (write_enum_constraint_num, write_lookup_constraint)
11805 (write_insn_constraint_len, write_regclass_for_constraint)
11806 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11807 (write_insn_extra_memory_constraint)
11808 (write_insn_extra_address_constraint)
11809 (write_satisfies_constraint_fns): New.
11810 (write_tm_preds_h): If we have new-style constraint definitions,
11811 prototype the functions generated from them, and define the
11812 old constraint interface (still used by generic code) in terms of
11814 (write_insn_preds_c): If we have new-style constraint definitions,
11815 generate all relevant functions from those definitions.
11816 (main): Handle define_constraint etc.
11817 * genoutput.c (struct constraint_data, indep_constraints)
11818 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11819 (mdep_constraint_len): New data structures and functions, defined
11820 #ifdef USE_MD_CONSTRAINTS.
11821 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11822 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11823 use new logic to validate operand constraints against constraint
11825 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11827 * defaults.h: If none of the old-style constraint macros are
11828 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11829 old-style macros; and poison REG_CLASS_FROM_LETTER,
11830 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11832 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11833 * doc/md.texi: Document new constraint-definition mechanism and the
11834 C interface it provides. Remove references to old mechanism
11835 elsewhere in the document.
11836 (Machine Constraints): Use pathnames relative to gcc directory,
11837 i.e. config/ARCH/FILE. Change i386 section to refer to
11838 config/i386/predicates.md; update that section to match docstrings.
11839 * doc/tm.texi: Move all documentation of the old constraint-
11840 definition macros to their own section, clearly mark as obsolete.
11842 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11843 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11845 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11846 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11847 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11848 constraint strings.
11849 (splits and peepholes): Use satisfies_constraint_*.
11850 * config/i386/i386.c (memory_address_length)
11851 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11853 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11855 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11856 scalar operation to be put back into the loop.
11858 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11861 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11862 (extract_cie_info): Handle S flag in augmentation string.
11863 (execute_cfa_program): If context->signal_frame, execute also
11864 fs->pc == context->ra instructions.
11865 (uw_frame_state_for): If context->signal_frame, don't subtract one
11866 from context->ra to find FDE.
11867 (uw_update_context_1): Set context->signal_frame to
11869 (_Unwind_GetIPInfo): New function.
11870 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11871 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11873 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11874 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11875 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11876 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11877 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11878 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11879 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11880 x86_64_fallback_frame_state): Set fs->signal_frame.
11881 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11882 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11883 (frob_update_context): Likewise. Workaround missing S flag in
11884 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11885 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11886 Remove the psw_addr + 1 hack.
11888 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11890 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11891 with aggregates here.
11892 (find_func_aliases): Remove code for &<aggregate> from here.
11894 2006-02-26 Roger Sayle <roger@eyesopen.com>
11896 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11897 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11898 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11899 as (X & C) ne/eq 0.
11901 2006-02-26 Roger Sayle <roger@eyesopen.com>
11903 PR middle-end/19983
11904 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11906 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11908 * opts.c (decode_options): Do not handle flag_strength_reduce.
11909 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11910 and OPT_fstrength_reduce.
11911 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11912 flag_prefetch_loop_arrays for being nonzero.
11913 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11915 (fprefetch-loop-arrays-rtl): Removed.
11916 (flag_prefetch_loop_arrays): Do not specify the value.
11918 * doc/passes.texi: Update documentation of loop optimizer
11920 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11921 -frerun-loop-opt): Remove.
11923 2006-02-26 Richard Guenther <rguenther@suse.de>
11925 PR tree-optimization/26421
11926 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11927 in function calls that are ADDR_EXPRs as using the whole structure.
11929 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11931 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11932 * tree-pass.h (pass_loop_optimize): Remove.
11933 * passes.c (pass_loop_optimize): Never run it.
11934 * toplev.c (backend_init): Don't call init_loop.
11935 * opts.c (flag_loop_optimize_set): Remove.
11936 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11937 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11938 the old RTL loop optimizer when profiling enabled.
11939 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11940 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11941 pre-headers for the sake of the old RTL loop optimizer.
11942 * Makefile.in: Remove all references to loop.o.
11944 * doc/invoke.texi: Remove all references to -floop-optimize
11945 and -frerun-loop-opt.
11947 2006-02-26 Zack Weinberg <zackw@panix.com>
11949 * doc/md.texi (Machine Constraints): Refer to all files with paths
11950 relative to gcc directory (i.e. config/CPU/file). Add missing
11951 @table @code ... @end table to M32C subsection.
11953 2006-02-26 Roger Sayle <roger@eyesopen.com>
11955 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11957 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11959 2006-02-26 Roger Sayle <roger@eyesopen.com>
11960 James A. Morrison <phython@gcc.gnu.org>
11962 PR middle-end/21137
11963 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11964 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11965 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11966 signedness of the shift operation.
11968 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11970 PR tree-optimization/26359
11971 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11973 2006-02-25 Roger Sayle <roger@eyesopen.com>
11975 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11976 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11977 as X == 0, and some symmetry related transformations.
11978 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11980 2006-02-25 Roger Sayle <roger@eyesopen.com>
11982 PR middle-end/23673
11983 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11984 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11985 symmetry related transformations. Fold (X^C1) == C2 as
11988 2006-02-25 Juergen Weigert <jw@suse.de>
11989 Richard Guenther <rguenther@suse.de>
11991 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11993 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11995 * combine.c (gen_lowpart_or_truncate): Call
11996 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11998 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12000 * doc/invoke.texi: Move -fopenmp description to "Options for
12002 Remove reference to -lgomp.
12004 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12006 * doc/install.texi: Require GNU tar version 1.14.
12008 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12010 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12011 * doc/invoke.texi (C++ Dialect Options): Document
12012 -fno-use-cxa-get-exception-ptr.
12013 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12014 * configure: Regenerate.
12015 * c.opt (fuse-cxa-get-exception-ptr): New.
12016 * c-opts.c (c_common_handle_option): Handle
12017 OPT_fuse_cxa_get_exception_ptr.
12018 * c-common.c (flag_use_cxa_atexit): Update documentation.
12019 (flag_use_cxa_get_exception_ptr): New.
12020 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12021 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12023 (C_COMMON_OVERRIDE_OPTIONS): New.
12025 2006-02-24 Roger Sayle <roger@eyesopen.com>
12027 PR middle-end/24952
12028 * combine.c (try_combine): Explicitly check whether GET_CODE is
12029 a SET or a CLOBBER, instead on checking that it isn't a USE.
12031 2006-02-24 Roger Sayle <roger@eyesopen.com>
12033 * fold-const.c (fold_comparison): New subroutine of fold_binary
12034 containing transformations common to both the equality and
12035 ordering relational operators, factored out of fold_binary.
12036 (fold_binary): Separate out the equality operators (EQ_EXPR
12037 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12038 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12039 transformations common to both.
12040 (fold_div_compare): Fix latent bugs in the previously unreachable
12041 LT_EXPR and GE_EXPR cases.
12043 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12045 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12046 decl libname for clog to __clog on AIX.
12048 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12050 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12053 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12054 output traceback table for thunks. Localise rs6000_stack_info call.
12056 2006-02-23 Roger Sayle <roger@eyesopen.com>
12057 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12059 * gthr-posix.h (__gthrw): Fix typo in comment.
12061 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12063 * doc/cpp.texi (Character sets): Document that we do support
12064 input files to be in any character set.
12066 2006-02-23 Jeff Law <law@redhat.com>
12068 * tree.h (PHI_ARG_NONZERO): Remove.
12069 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12070 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12071 node to the new node.
12073 PR tree-optimization/26425
12074 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12075 min/max, then assume its varying.
12077 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12079 PR rtl-optimization/26316
12080 * rtlanal.c (enum may_trap_p_flags): New.
12081 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12082 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12083 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12084 (may_trap_after_code_motion_p): New function.
12085 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12086 (find_invariant_insn): Use may_trap_after_code_motion_p.
12087 * rtl.h (may_trap_after_code_motion_p): Declare.
12089 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12091 * emit-rtl.c (immed_double_const): Cleanup.
12093 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12095 Fix PR tree-optimization/26376
12096 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12099 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12101 PR middle-end/26412
12102 * gimplify.c (omp_add_variable): Guard variable size decl test with
12103 DECL_SIZE (decl) check.
12105 2006-02-23 Richard Guenther <rguenther@suse.de>
12107 PR middle-end/26439
12108 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12109 like aggregate types.
12111 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12113 * configure.ac: Add --with{,out}-long-double-128 configure option.
12114 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12115 * configure: Rebuilt.
12116 * config.in: Rebuilt.
12117 * doc/install.texi (Options specification): Document
12118 --with-long-double-128.
12120 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12121 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12122 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12123 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12125 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12127 * config/s390/s390.c (override_options): Handle
12128 TARGET_DEFAULT_LONG_DOUBLE_128.
12130 * config/alpha/alpha.c (override_options): Handle
12131 TARGET_DEFAULT_LONG_DOUBLE_128.
12133 * config/sparc/sparc.c (sparc_override_options): Handle
12134 TARGET_DEFAULT_LONG_DOUBLE_128.
12136 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12138 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12139 (real-install-headers-tar, real-install-headers-cpio)
12140 (real-install-headers-cp): New targets.
12142 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12144 * tree.h (variable_section): Delete.
12145 * varasm.c (variable_section): Delete.
12147 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12149 * install.texi: Add notes on install.texi2html.
12150 (Building in parallel): Do not use footnotes.
12152 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12155 * doc/install.texi (Configuration): Document --disable-libgomp.
12157 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12159 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12161 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12163 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12164 (vec_extractv2df_0_sse): New.
12166 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12168 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12169 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12170 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12171 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12172 to the result of the expression.
12173 (def_cfa_1): Adjust.
12174 (frame_pointer_cfa_offset): Rename to...
12175 (frame_pointer_fb_offset): ... this. Adjust all uses.
12176 (convert_cfa_to_loc_list): Rename to...
12177 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12178 Pass it on to build_cfa_loc.
12179 (compute_frame_pointer_to_cfa_displacement): Rename to...
12180 (compute_frame_pointer_to_fb_displacement): ... this. New
12181 offset parameter. Use it in computation.
12182 (gen_subprogram_die): Compute cfa_fb_offset with the new
12183 macro, and use it to compute the fb loc list and the
12186 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12188 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12189 replaced with register_operand.
12190 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12191 non-DREG is expensive.
12192 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12193 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12196 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12198 * doc/install.texi2html: Use set -e.
12200 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12202 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12203 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12204 * doc/invoke.texi (-fshared-data): Delete.
12205 * common.opt (fshared-data): Delete.
12206 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12207 (assemble_static_space): Remove #if 0 code.
12208 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12209 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12210 * config/cris/cris.h: Remove FIXME.
12212 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12214 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12217 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12219 PR middle-end/26379
12220 * combine.c (simplify_shift_const_1): Disable nested shifts
12221 optimization for vector shifts.
12223 2006-02-20 Roger Sayle <roger@eyesopen.com>
12225 PR tree-optimization/26361
12226 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12227 of unsigned integer types.
12229 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12231 * tree-chrec.c (eq_evolutions_p): New.
12232 * tree-chrec.h (eq_evolutions_p): Declared.
12233 * tree-data-ref.c: Fix formatting.
12234 (datadep_stats, dependence_stats): New.
12236 (print_direction_vector): New.
12237 (dump_data_dependence_relation): Use print_direction_vector.
12238 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12239 (compute_subscript_distance): Static.
12240 (initialize_data_dependence_relation): Static. Get the number
12241 of loops surrounding the references from the callers, and initialize
12242 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12243 base_object_differ_p analyzers.
12244 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12245 compute_overlap_steps_for_affine_1_2,
12246 analyze_subscript_affine_affine): Count the classified dependences.
12247 Print a message when a test failed.
12248 (can_use_analyze_subscript_affine_affine): New.
12249 (analyze_siv_subscript): Compute the data dependences on symbolic
12250 scevs that verify can_use_analyze_subscript_affine_affine.
12251 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12252 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12253 Handle symbolic scevs.
12254 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12256 (subscript_dependence_tester): Moved...
12257 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12258 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12259 DDR_SIZE_VECT instead of getting it in parameter.
12260 (subscript_dependence_tester): ... here. Take as a parameter
12261 loop_nest_depth. Call build_classic_dist_vector and
12262 build_classic_dir_vector.
12263 (compute_affine_dependence): Update subscript_dependence_tester
12264 parameters. Update datadep_stats counters. Call
12265 compute_subscript_distance.
12266 (compute_self_dependence): Save the dist and dir vectors. Call
12267 compute_subscript_distance.
12268 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12269 (compute_all_dependences): Reorder parameters as they were before
12270 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12271 compute_subscript_distance. Update the use of
12272 compute_affine_dependence and initialize_data_dependence_relation.
12273 (find_data_references_in_loop): Handle COMPONENT_REF.
12274 (compute_data_dependences_for_loop): Initialize dependence_stats.
12275 Don't call build_classic_dist_vector and build_classic_dir_vector.
12276 Update the parameters of initialize_data_dependence_relation and
12277 compute_all_dependences. Print the statistics from datadep_stats.
12278 (analyze_all_data_dependences): Static. Not used until the pass for
12279 checking the data dependences is contributed.
12280 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12281 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12282 (initialize_data_dependence_relation, compute_affine_dependence,
12283 analyze_all_data_dependences, compute_subscript_distance): Removed.
12284 (print_direction_vector): New.
12285 * lambda.h (gcd): ... here.
12286 (lambda_vector_gcd): Moved here from gcd_vector.
12287 * lambda-code.c (gcd, gcd_vector): Removed.
12288 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12289 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12291 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12293 * ipa-type-escape.c: Tidy some comments and white space.
12294 * tree-ssa-operands.c: Likewise.
12296 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12299 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12300 (dump_decl_name): Do not walk the decl tree chains.
12301 * tree-pass.h (TDF_CHAIN): Remove.
12303 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12305 * Makefile.in (C): Remove
12307 (.PHONY): Remove C and PROTO
12309 2006-02-20 Roger Sayle <roger@eyesopen.com>
12311 PR middle-end/26236
12312 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12313 deprecated CHAR_TYPE tree code.
12315 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12317 * configure.ac (target_list): Add install-info, dvi, html.
12318 * configure: Regenerate.
12320 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12321 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12322 treelang/Make-lang.in: Do not use double-colon rules.
12324 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12326 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12327 (TMT_USED_ALONE): New macro.
12328 * tree-pass.h (PROP_tmt_usage): New property.
12329 (TODO_update_tmt_usage): New todo.
12330 * tree-ssa-alias.c (updating_used_alone): New variable.
12331 (recalculate_used_alone): New function.
12332 (compute_may_aliases): Set updating_used_alone, call
12333 recalculate_used_alone.
12334 * tree-sra.c (pass_sra): Note that this pass destroys
12335 PROP_tmt_usage, and add TODO_update_tmt_usage.
12336 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12337 * tree-flow.h (updating_used_alone): Prototype.
12338 (recalculate_used_alone): Ditto.
12339 * passes.c (execute_todo): Add code to set updating_used_alone,
12340 and call recalculate.
12341 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12342 for clobber if used alone, and add assert to verify used_alone
12345 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12347 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12348 for non tls symbols added.
12349 (legitimize_address): Do nothing for PLUS expressions if one of the
12350 addends is a tls symbol reference.
12352 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12356 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12358 * Makefile.in (BOOTSTRAPPING): New.
12359 (quickstrap): New definition if BOOTSTRAPPING=yes.
12361 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12362 * configure.ac: Substitute all_selected_languages with the languages
12363 that were configured. For all the other variables except
12364 lang_specs_files, include all the languages in the tree.
12365 * configure: Regenerate.
12367 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12368 if there is one. Run the commands to run fixincludes in the same
12371 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12372 * doc/install.texi: Document exact conventions for searching target tools.
12373 Document --with-build-time-tools. Document toplevel bootstrap. Document
12374 something more about building an Ada cross-compiler. Don't list GNU Make
12375 requirements which affect all platforms.
12377 2006-02-19 Roger Sayle <roger@eyesopen.com>
12379 PR middle-end/19543
12380 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12381 only equivalent if the have both the same mode and precision.
12383 2006-02-20 Ben Elliston <bje@au.ibm.com>
12385 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12387 2006-02-19 Roger Sayle <roger@eyesopen.com>
12388 Steven Bosscher <stevenb.gcc@gmail.com>
12390 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12391 constant pool references to identify stack mode constants.
12392 * rtlanal.c (constant_pool_constant_p): New predicate to check
12393 whether operand is a floating point constant in the pool.
12394 * rtl.h (constant_pool_constant_p): Prototype here.
12395 * loop.c (scan_loop): Avoid hoisting constants from the constant
12396 pool on STACK_REGS targets.
12397 (load_mems): Likewise.
12398 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12399 loads into x87 registers expensive in terms of register pressure.
12401 2006-02-19 Roger Sayle <roger@eyesopen.com>
12403 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12404 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12406 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12408 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12409 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12411 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12413 * doc/invoke.texi: Document -fipa-pta.
12414 * common.opt: Add ipa-pta option.
12415 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12416 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12417 (do_ds_constraint): Ditto.
12418 (get_constraint_for): Only add to referenced_vars if
12419 referenced_vars exists.
12420 (insert_into_field_list): Rewrite to do this unsorted.
12421 (insert_into_field_list_sorted): Rename old insert_into_field_list
12423 (create_function_info_for): Use insert_into_field_list_sorted.
12424 (create_variable_info_for): Rewrite so it uses unsorted version,
12425 since the field list is sorted.
12426 (intra_create_variable_infos): Only add to referenced_vars if
12427 referenced_vars exists.
12428 (ipa_pta_execute): Init heapvars, and delete when done.
12429 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12431 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12433 * doc/install.texi: Add missing `@samp'.
12435 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12437 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12440 2006-02-18 Mark Wielaard <mark@klomp.org>
12442 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12443 who added new 4.1 features, bug fixes and integration support.
12445 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12448 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12449 MEM for ABI_V4 pic.
12451 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12453 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12454 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12455 (copy_insn_1): Likewise. Don't copy each field individually.
12457 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12459 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12460 * rtl.c (rtx_size): Rename variable to...
12461 (rtx_code_size): ...this.
12462 (rtx_size): New function.
12463 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12464 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12466 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12467 * rtl.h (rtx_code_size): New variable.
12468 (rtx_size): Change from a variable to a function.
12469 (RTX_SIZE): Rename to...
12470 (RTX_CODE_SIZE): ...this.
12473 PR tree-optimization/17106
12474 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12475 (Anchored Addresses): New section.
12476 * doc/invoke.texi (-fsection-anchors): Document.
12477 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12478 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12479 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12480 * hooks.c (hook_bool_mode_rtx_false): New function.
12481 * hooks.h (hook_bool_mode_rtx_false): Declare.
12482 * gengtype.c (create_optional_field): New function.
12483 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12484 SYMBOL_REF_IN_BLOCK_P is true.
12485 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12486 (min_anchor_offset, max_anchor_offset): Likewise.
12487 (use_anchors_for_symbol_p): New hook.
12488 * toplev.c (compile_file): Call output_object_blocks.
12489 (target_supports_section_anchors_p): New function.
12490 (process_options): Check that -fsection-anchors is only used on
12491 targets that support it and when -funit-at-a-time is in effect.
12492 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12493 if the decl doesn't have one.
12494 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12495 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12496 of force_const_mem through use_anchored_address.
12497 (expand_expr_constant): New function.
12498 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12499 calling expand_expr for INDIRECT_REF.
12500 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12501 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12502 * expr.h (use_anchored_address): Declare.
12503 * loop-unroll.c: Don't declare rtx vectors here.
12504 * explow.c: Include output.h.
12505 (validize_mem): Call use_anchored_address.
12506 (use_anchored_address): New function.
12507 * common.opt (-fsection-anchors): New switch.
12508 * varasm.c (object_block_htab, anchor_labelno): New variables.
12509 (hash_section, object_block_entry_eq, object_block_entry_hash)
12510 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12511 (use_blocks_for_decl_p, change_symbol_section): New functions.
12512 (get_variable_section): New function, split out from assemble_variable.
12513 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12514 use_blocks_for_decl_p say so. Use change_symbol_section if the
12515 symbol has already been created.
12516 (assemble_variable_contents): New function, split out from...
12517 (assemble_variable): ...here. Don't output any code for
12518 block symbols; just pass them to place_block_symbol.
12519 Use get_variable_section and assemble_variable_contents.
12520 (get_constant_alignment, get_constant_section, get_constant_size): New
12521 functions, split from output_constant_def_contents.
12522 (build_constant_desc): Create a block symbol if use_object_blocks_p
12523 says so. Or into SYMBOL_REF_FLAGS.
12524 (assemble_constant_contents): New function, split from...
12525 (output_constant_def_contents): ...here. Don't output any code
12526 for block symbols; just pass them to place_section_symbol.
12527 Use get_constant_section and get_constant_alignment.
12528 (force_const_mem): Create a block symbol if use_object_blocks_p and
12529 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12530 (output_constant_pool_1): Add an explicit alignment argument.
12531 Don't switch sections here.
12532 (output_constant_pool): Adjust call to output_constant_pool_1.
12533 Switch sections here instead. Don't output anything for block symbols;
12534 just pass them to place_block_symbol.
12535 (init_varasm_once): Initialize object_block_htab.
12536 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12537 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12538 (place_block_symbol, get_section_anchor, output_object_block)
12539 (output_object_block_htab, output_object_blocks): New functions.
12540 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12541 (TARGET_ASM_OUT): Include it.
12542 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12543 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12544 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12545 (TARGET_INITIALIZER): Include them.
12546 * rtl.c (rtl_check_failed_block_symbol): New function.
12547 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12548 (block_symbol, object_block): New structures.
12549 (rtx_def): Add a block_symbol field to the union.
12550 (BLOCK_SYMBOL_CHECK): New macro.
12551 (rtl_check_failed_block_symbol): Declare.
12552 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12553 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12554 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12555 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12556 * output.h (output_section_symbols): Declare.
12557 (object_block): Name structure.
12558 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12559 (default_use_anchors_for_symbol_p): Declare.
12560 * Makefile.in (RTL_BASE_H): Add vec.h.
12561 (explow.o): Depend on output.h.
12562 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12563 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12564 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12565 (rs6000_use_blocks_for_constant_p): New function.
12567 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12569 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12571 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12574 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12577 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12579 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12583 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12585 PR middle-end/26334
12586 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12587 instead of DECL_REGISTER.
12589 2006-02-18 Olivier Hainque <hainque@adacore.com>
12592 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12594 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12597 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12598 * opth-gen.awk: Handle Var and InverseMask together.
12599 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12600 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12601 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12602 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12604 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12605 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12606 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12607 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12608 LINUX_DYNAMIC_LINKER): Define.
12609 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12610 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12612 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12613 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12614 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12615 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12616 (TARGET_C99_FUNCTIONS): Don't define.
12617 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12618 GLIBC_DYNAMIC_LINKER.
12619 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12620 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12621 GLIBC_DYNAMIC_LINKER64): Define.
12622 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12623 LINUX_DYNAMIC_LINKER64.
12624 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12625 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12626 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12627 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12628 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12629 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12630 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12631 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12632 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12633 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12634 and LINUX_DYNAMIC_LINKER32.
12635 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12637 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12638 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12639 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12641 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12642 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12643 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12644 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12645 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12646 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12647 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12648 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12649 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12650 LINUX_DYNAMIC_LINKER): Define.
12651 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12652 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12653 GLIBC_DYNAMIC_LINKER64): Define.
12654 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12655 LINUX_DYNAMIC_LINKER64.
12656 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12657 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12658 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12659 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12660 LINUX_DYNAMIC_LINKER): Define.
12661 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12662 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12663 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12664 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12665 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12666 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12667 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12668 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12669 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12670 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12671 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12672 * doc/invoke.texi (-muclibc): Remove caveat about supported
12675 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12677 * doc/cpp.texi (__TIMESTAMP__): Document.
12679 2006-02-17 Roger Sayle <roger@eyesopen.com>
12681 PR middle-end/25600
12682 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12683 C is one less than the width of X (and related transformations).
12684 * simplify-rtx.c (simplify_unary_operation_1): Transform
12685 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12686 depending on STORE_FLAG_VALUE, were C is one less then the
12689 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12691 Fix PR tree-optimization/26341
12692 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12693 about NAME_MEMORY_TAG's.
12695 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12698 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12699 with hardware float support, and software float support. Add fcpy
12700 alternative to hardware patterns. Add alternatives to copy between
12701 general and floating-point registers to the 32-bit pattern.
12702 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12703 secondary reload to load a QI or HI mode constant into a floating
12705 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12706 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12708 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12711 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12713 (load_macho_picbase_di): Likewise.
12715 2006-02-16 Jeff Law <law@redhat.com>
12717 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12718 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12719 (ssa_name_nonzero_p): Likewise.
12720 (get_value_range): Return NULL if VRP is not running.
12721 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12722 VRP routines do not discover a range.
12723 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12724 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12725 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12726 (tree_expr_nonnegative_p): Similarly.
12727 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12728 (restore_nonzero_vars_to_original_value): Remove.
12729 (unsafe_associative_fp_binop): Remove.
12730 (tree_ssa_dominator_optimize): Remove initialization and
12731 finalization of nonzero_vars and nonzero_vars_stack.
12732 (dom_opt_initialize_block): No longer push marker on
12733 nonzero_vars_stack.
12734 (dom_opt_finalize_block): No longer call
12735 restore_nonzero_vars_to_original_value.
12736 (record_equivalences_from_phis): No longer look for
12737 nonzero PHI arguments.
12738 (cprop_into_successor_phis): No longer propagate nonzero
12739 property into PHI arguments. Lose unused argument. Caller
12741 (record_equivalences_from_stmt): No longer record nonzero
12742 values for SSA_NAMEs.
12743 (lookup_avail_expr): No longer use nonzero_vars.
12745 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12746 for sizetype when sizetype is unsigned.
12748 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12750 PR rtl-optimization/25603
12751 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12752 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12753 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12754 with new meaning of SETS.
12756 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12761 * config/linux.opt: New file.
12762 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12763 LINUX_DYNAMIC_LINKER): Define.
12764 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12765 * config.gcc (*-*-linux*): Define extra_options.
12766 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12767 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12768 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12769 GLIBC_DYNAMIC_LINKER.
12770 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12771 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12772 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12773 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12774 * doc/invoke.texi (GNU/Linux Options): New section.
12776 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12778 * config/sparc/sparc.md (setjmp): Rewrite.
12779 (setjmp_32): Delete.
12780 (setjmp_64): Likewise.
12782 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12784 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12787 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12789 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12792 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12794 PR rtl-optimization/26296
12795 * Makefile.in (loop-invariant.c): Add except.h dependency.
12796 * loop-invariant.c: Include except.h.
12797 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12799 2005-02-16 Paul Brook <paul@codesourcery.com>
12801 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12804 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12806 PR rtl-optimization/25636
12807 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12808 when deciding whether an insn is an initializing insn.
12810 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12812 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12813 (tree_code_size): Ditto.
12814 * tree.h (struct tree_memory_tag): Remove parent_var.
12815 (struct tree_struct_field_tag): New.
12818 (union tree_node): Add sft member.
12819 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12821 (create_sft): Add size and offset argument, set SFT_OFFSET and
12823 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12824 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12825 * tree-flow-inline.h (get_subvar_at): Update for
12826 SFT_OFFSET/SFT_SIZE.
12827 (var_can_have_subvars): Ditto.
12828 (overlap_subvar): Ditto.
12829 * print-tree.c (print_node): Print out interesting things for
12831 * tree-flow.h (struct subvar): Remove offset and size members.
12832 * tree-ssa-operands.c (get_expr_operands): Update for
12833 get_indirect_ref_operands changes.
12834 (get_indirect_ref_operands): Call add_virtual_operand instead of
12835 add_stmt_operand. Only recurse on base var if requested.
12836 (access_can_touch_variable): New function.
12837 (add_stmt_operand): Split virtual operand handling into ...
12838 (add_virtual_operand): Here. Add offset, size, and for_clobber
12839 arguments. Prune alias sets.
12840 (add_call_clobber_ops): Call add_virtual_operand.
12842 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12844 PR middle-end/26300
12845 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12847 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12848 than TREE_CODE as index into omp_clause_num_ops array.
12850 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12852 PR rtl-optimization/26184
12853 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12855 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12856 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12857 must_precede, must_follow and tobe_scheduled.
12860 * opts.c (common_handle_option): Free new_option pointer.
12861 * df-core.c (df_analyze): Free postorder pointer.
12863 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12865 * Makefile.in: Fix the examples about the use of stamps
12867 2006-02-15 Michael Matz <matz@suse.de>
12869 PR middle-end/22275
12871 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12872 influenced by maximum_field_alignment or DECL_PACKED.
12873 (update_alignment_for_field): Ditto.
12874 (place_field): Ditto.
12875 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12878 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12880 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12881 (debug_flow_info): Pass it.
12882 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12883 * bb-reorder.c (reorder_basic_blocks): Likewise.
12884 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12885 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12886 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12887 * gcse.c (gcse_main, bypass_jumps): Likewise.
12888 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12889 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12890 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12891 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12892 * rtl.h (dump_flow_info): Adjust prototype.
12893 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12894 * var-tracking.c (variable_tracking_main): Likewise.
12895 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12896 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12899 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12901 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12904 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12906 PR tree-optimization/26209
12907 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12908 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12910 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12912 2006-02-14 Roger Sayle <roger@eyesopen.com>
12914 PR middle-end/23670
12915 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12916 (X,Y) and the corresponding symmetry related transformations.
12917 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12918 (X,Y) and its symmetry related transformations.
12920 2006-02-14 Roger Sayle <roger@eyesopen.com>
12922 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12925 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12927 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12929 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12932 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12933 support COMDAT group.
12934 * configure: Regenerate.
12936 2006-02-14 Roger Sayle <roger@eyesopen.com>
12938 PR middle-end/26279
12939 PR middle-end/26280
12940 PR middle-end/26283
12941 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12943 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12945 Fix PR tree-optimization/26260
12947 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12949 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12950 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12951 * tree-ssa-structalias.c (create_variable_info_for): Use
12952 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12954 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12956 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12958 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12959 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12960 of the ending condition.
12961 * tree-ssa-loop-manip.c: Include params.h.
12962 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12963 tree_unroll_loop): New functions.
12964 * tree-pass.h (pass_loop_prefetch): Declare.
12965 * loop.c (rest_of_handle_loop_optimize): Test for
12966 -fprefetch-loop-arrays-rtl.
12967 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12968 * timevar.def (TV_TREE_PREFETCH): New timevar.
12969 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12970 pass_loop_prefetch): New.
12971 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12972 (cleanup_tree_cfg_loop): Call scev_reset.
12973 * common.opt (fprefetch-loop-arrays-rtl): Add.
12974 * tree-ssa-loop-prefetch.c: New file.
12975 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12976 (new_temp_expr_table): Initialize expr_vars.
12977 (free_temp_expr_table): Cleanup expr_vars.
12978 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12979 expressions from being merged into one.
12980 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12981 (struct tree_niter_desc): Add control, bound and cmp fields.
12982 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12984 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12985 (tree-cfgcleanup.o): Add SCEV_H dependency.
12986 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12987 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12989 2006-02-14 Richard Guenther <rguenther@suse.de>
12991 PR tree-optimization/26258
12992 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12993 in PHI argument processing.
12995 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12997 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12998 new expression in the requested machine mode.
13000 2006-02-13 Roger Sayle <roger@eyesopen.com>
13002 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13003 directly, instead let do_compare_rtx_and_jump handle this for us.
13004 * expr.c (expand_expr_real_1): Likewise.
13005 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13006 before do_jump_by_parts_greater.
13007 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13008 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13010 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13012 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13014 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13016 PR rtl-optimization/26235
13017 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13018 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13021 2006-02-13 Jeff Law <law@redhat.com>
13023 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13026 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13028 PR middle-end/26092
13029 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13030 twice if decl is a builtin. When trying again, call get_callee_fndecl
13031 first to verify it is still a builtin.
13033 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13035 * dwarf2out.c (base_type_die): Don't add AT_name here.
13036 (subrange_type_die): Don't add AT_name here.
13037 (modified_type_die): Rearrange code flow. Do add AT_name here.
13039 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13041 PR rtl-optimization/26247
13042 PR rtl-optimization/26248
13043 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13045 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13047 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13048 * config/fixtfdi.c: Likewise.
13049 * config/fixunstfdi.c: Likewise.
13050 * config/floatditf.c: Likewise.
13052 2006-02-13 Roger Sayle <roger@eyesopen.com>
13054 PR middle-end/24427
13055 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13056 into (X,C2) if C1 is a subset of the bits of C2. Transform
13057 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13059 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13061 2006-02-13 Josh Conner <jconner@apple.com>
13064 * varasm.c (function_section): Check for section name before
13065 calling select_section on targets that define
13066 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13067 unlikely_text_section instead of hot_function_section if
13068 first_function_block_is_cold.
13070 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13072 PR middle-end/25335
13073 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13075 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13077 PR rtl-optimization/26222
13078 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13079 after tree->rtl expansion.
13080 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13081 before passing it to emit_move_insn.
13083 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13085 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13087 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13088 Clarify documentation.
13089 * c-common.h (warn_write_strings): Remove.
13090 * c-common.c (warn_write_strings): Likewise.
13091 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13094 2006-02-12 Roger Sayle <roger@eyesopen.com>
13096 PR middle-end/25724
13097 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13098 (do_jump_parts_zero_rtx): New function renamed from
13099 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13100 (do_jump_parts_equality_rtx): New function split out from
13101 do_jump_parts_equality. Old implementation renamed as above.
13102 Call do_jump_parts_zero_rtx if either operand is zero.
13103 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13104 do all of the heavy lifting.
13105 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13106 calling either do_jump_by_parts_greater_rtx or
13107 do_jump_by_parts_equality_rtx.
13108 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13109 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13110 moved to do_compare_rtx_and_jump, call it directly.
13111 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13112 mode argument. Call do_compare_rtx_and_jump.
13113 (emit_case_nodes): Update calls to do_jump_if_equal.
13115 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13117 PR rtl-optimization/26225
13118 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13120 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13122 PR rtl-optimization/26232
13123 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13125 2006-02-11 Jason Merrill <jason@redhat.com>
13128 * tree-inline.c (declare_return_variable): Just don't use the
13129 modify target if it's a gimple complex reg and the return slot
13132 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13134 * doc/contrib.texi: Update my entry.
13136 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13138 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13140 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13142 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13145 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13147 * doc/invoke.texi (-floop-optimize2): Removed.
13148 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13149 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13150 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13151 * common.opt (floop-optimize2): Removed.
13152 (fmove-loop-invariants): Enabled by default.
13154 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13156 * tree-if-conv.c (combine_blocks): Free the result of
13157 get_loop_exit_edges.
13159 2006-02-10 Jeff Law <law@redhat.com>
13161 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13163 PR tree-optimization/26213
13164 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13165 loop trying to follow SSA_NAME_VALUE chains.
13167 2006-02-10 Richard Guenther <rguenther@suse.de>
13169 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13170 deal with structures that end in implicitly variable sized arrays.
13172 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13174 PR rtl-optimization/24762
13175 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13178 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13180 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13181 (struct ivopts_data): Add regs_used field.
13182 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13183 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13184 instead of loop_data->regs_used;
13185 (free_loop_data): Do not free aux fields for loops.
13186 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13187 and tree_ssa_iv_optimize_finalize.
13189 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13191 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13193 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13196 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13197 computing the effective result type.
13199 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13201 PR inline-asm/16194
13202 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13203 (tree_overlaps_hard_reg_set): Declare.
13204 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13205 type and signature to match function type expected by walk_tree.
13206 (tree_overlaps_hard_reg_set): New function.
13207 (decl_conflicts_with_clobbers_p): Rename to:
13208 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13209 Use tree_overlaps_hard_reg_set. Changed caller.
13210 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13211 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13212 * cris.c (cris_md_asm_clobbers): Likewise.
13214 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13216 * reload1.c (emit_input_reload_insns): Delete code that tries to
13217 inherit using find_equiv_reg.
13219 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13221 * c-common.h (flag_const_strings): Don't declare.
13222 * c-common.c (flag_const_strings): Remove.
13223 * c.opt (fconst_strings): Remove.
13224 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13225 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13226 (c_common_init_options): Don't set flag_const_strings.
13227 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13229 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13231 * arm.md (tlobits_cbranch): New pattern.
13232 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13233 testing a single bit.
13235 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13238 * tree-ssa-pre.c (create_component_ref_by_pieces):
13239 Handle RETURN_DECL like VAR_DECL.
13241 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13243 PR middle-end/26134
13244 * fold-const.c (fold_indirect_ref_1): Fold
13245 "*(foo *)&complexfoo" to "__real__ complexfoo"
13246 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13248 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13250 * tree-flow-inline.h (var_can_have_subvars):
13251 Volatile variables should not have subvariables.
13253 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13256 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13257 multiplying unsigned values.
13260 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13262 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13264 2006-02-08 Jason Merrill <jason@redhat.com>
13267 * tree.def: Elaborate on difference from MODIFY_EXPR.
13268 * doc/c-tree.texi (INIT_EXPR): Likewise.
13269 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13270 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13271 (gimplify_target_expr): Likewise.
13272 (gimplify_cond_expr): Remove target handling.
13273 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13274 (gimplify_expr): Clobber it here.
13275 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13276 Do return slot optimization if we have an INIT_EXPR.
13279 * tree-inline.c (declare_return_variable): Also clear
13280 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13283 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13285 PR middle-end/22439
13286 * gimplify.c (gimplify_one_sizepos): Fix typo.
13288 2006-02-08 Jeff Law <law@redhat.com>
13290 PR tree-optimization/21417
13291 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13292 across a backedge if the control statement at the end of the
13293 block is data dependent on other statements in the same block.
13294 (record_temporary_equivalences_from_stmts): Remove over-conservative
13295 test for threading across backedges.
13297 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13298 control statement, handle all three special cases in the same
13299 manner as they all have the same desired solution. No longer
13300 special case edge flag updating when the post dominator is
13303 2006-02-08 Roger Sayle <roger@eyesopen.com>
13305 * tree.def (CHAR_TYPE): Remove.
13306 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13307 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13308 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13309 (gen_string_type_die): Delete unreachable function.
13311 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13312 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13313 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13314 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13315 * builtins.c (type_to_class): Likewise.
13316 * fold-const.c (fold_convert, build_range_check,
13317 merge_ranges): Likewise.
13318 * expr.c (count_type_elements): Likewise.
13319 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13320 * stor-layout.c (layout_type): Likewise.
13321 * ipa-type-escape.c (type_to_consider): Likewise.
13322 * gimplify.c (omp_firstprivatize_type_sizes,
13323 gimplify_type_sizes): Likewise.
13324 * explow.c (promote_mode): Likewise.
13325 * tree-sra.c (is_sra_scalar_type): Likewise.
13326 * varasm.c (output_constant): Likewise.
13327 * tree-inline.c (remap_type_1): Likewise.
13328 * convert.c (convert_to_pointer, convert_to_real,
13329 convert_to_integer, convert_to_complex): Likewise.
13331 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13333 * df-scan.c (df_def_record_1): A set destination may
13334 be a parallel regardless of mode.
13336 2006-02-08 Roger Sayle <roger@eyesopen.com>
13339 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13340 * config/mips/_tilib.c: Remove.
13341 * config/fixtfdi.c: New libgcc source file.
13342 * config/fixunstfdi.c: New source file.
13343 * config/floatditf.c: New source file.
13344 * config/floatunditf.c: New souce file.
13345 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13346 files above instead of config/mips/_tilib.c.
13347 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13349 2006-02-08 Jeff Law <law@redhat.com>
13351 PR tree-optimization/26169
13352 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13355 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13357 * df.h (DF_REG_SIZE): Return the length of the initialized
13360 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13362 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13363 __muldf3): Return a correctly signed zero.
13365 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13367 * passes.c (register_one_dump_file): Accept the current properties
13368 instead of pass number. Adjust call to dump_register. Remove
13370 (register_dump_files): Now a wrapper around...
13371 (register_dump_files_1): ... this one. Do not modify the pass
13373 (next_pass_1): Cosmetic fix.
13374 (execute_todo): Keep second parameter only. Use curr_properties
13375 instead of fetching it from the pass structure. Check and set
13377 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13378 instead of fetching it from the pass structure. Fix calls to
13379 execute_todo. Update curr_properties and initialize .vcg RTL dump
13380 after running the pass. Reset last_verified.
13381 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13383 (FIRST_AUTO_NUMBERED_DUMP): New.
13384 (dump_register): Remove "num" parameter, assign it within the
13386 (get_dump_file_name): Modify template for dumps.
13387 * tree-dump.h (dump_register): Adjust prototype.
13388 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13389 (PROP_trees): Add PROP_gimple_lomp.
13390 (TODO_set_props): New.
13391 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13392 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13393 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13395 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13397 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13398 (sparc64-*-linux*): Likewise.
13399 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13400 * config/sparc/t-linux: New file.
13401 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13402 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13403 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13404 -m32 -mlong-double-128.
13406 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13407 * config/alpha/t-linux: New file.
13408 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13410 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13411 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13412 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13413 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13414 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13415 (CPP_ARCH32_SPEC): Remove.
13417 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13419 PR tree-optimization/26145
13420 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13423 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13426 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13427 >= 240000 when generating code for SOM runtime.
13428 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13429 to $$dyncall when generating code for SOM runtime..
13431 2006-02-07 Dirk Mueller <dmueller@suse.com>
13434 * doc/invoke.texi (-Wsequence-point): Update documentation
13435 that -Wsequence-point is implemented for C++ as well.
13437 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13439 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13440 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13441 (LIB_SPEC): Likewise.
13442 * doc/invoke.texi (SPARC options): Document -pthread.
13444 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13446 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13449 2006-02-07 Roger Sayle <roger@eyesopen.com>
13451 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13452 Correct comment describing BOOLEAN_TYPE.
13454 2006-02-07 Dirk Mueller <dmueller@suse.com>
13456 * c.opt: C++ frontend supports -Wdiv-by-zero.
13457 * c-opts.c (c_common_handle_option): Remove dead case.
13459 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13461 * configure.ac (TLS assembler check): Do not enable TLS by
13462 default on SPARC/Solaris before version 10.
13463 * configure: Regenerate.
13465 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13467 * doc/invoke.texi (xl-compat): Document conversion and support
13470 2006-02-07 Jeff Law <law@redhat.com>
13472 * tree-vrp.c (find_conditional_asserts): Update comments.
13473 (simplify_stmt_for_jump_threading): New.
13474 (identify_jump_threads, finalize_jump_threads): New.
13475 (vrp_finalize): Call identify_jump_threads.
13476 (execute_vrp): Call finalize_jump_threads.
13477 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13478 (vrp_element, vrp_data, vrp_element_p): Remove.
13479 (vrp_hash_elt, vrp_variables_stack): Remove.
13480 (vrp_hash, vrp_eq, record_range): Remove.
13481 (simplify_cond_and_lookup_avail_expr): Remove.
13482 (extract_range_from_cond): Remove.
13483 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13484 (simplify_stmt_for_jump_threading): New.
13485 (dom_thread_across_edge): New wrapper.
13486 (tree_ssa_dominator_optimize): No longer initialize or
13487 finalize any of the VRP datastructures. Remove iteration
13488 step and simplify as a result of removal of iteration step.
13489 (pass_dominator): Perform a cfg cleanup after DOM.
13490 (dom_opt_finalize_block): Use the new common routines
13491 for threading jumps. Simplify stack management slightly.
13492 No longer need to unwind VRP state.
13493 (record_equivalences_from_incoming_edge): No longer record
13495 (eliminate_redundant_computations): No longer call
13496 simplify_cond_and_lookup_avail_expr.
13497 * tree-flow.h (potentially_threadable_block): Prototype.
13498 (thread_across_edge): Likewise.
13499 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13500 (tree-ssa-threadedge.o): Add dependencies.
13501 * tree-ssa-threadedge.c: New file.
13502 * passes.c (init_optimization_passes): Merge PHIs before
13503 calling VRP. Run VRP again late in the SSA optimization pipeline.
13505 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13507 * df-core.c (df_set_blocks): Do not dereference function pointers.
13508 (df_finish1): Likewise.
13509 (df_hybrid_search_forward): Likewise.
13510 (df_hybrid_search_backward): Likewise.
13511 (df_iterative_dataflow): Likewise.
13512 (df_analyze_problem): Likewise.
13513 (df_compact_blocks): Likewise.
13514 (df_dump): Likewise.
13515 * df-scan.c (df_rescan_blocks): Likewise.
13516 (df_record_entry_block_defs): Likewise.
13518 * genconditions.c (write_conditions): Guard the definition of
13519 'insn_conditions' with the check on GCC version.
13520 (write_writer): Guard the traversal 'insn_conditions' with
13521 the check on GCC version.
13523 2006-02-07 Richard Guenther <rguenther@suse.de>
13527 2006-01-30 Richard Guenther <rguenther@suse.de>
13529 * gimplify.c (gimplify_target_expr): Handle easy cases
13530 without creating a temporary.
13532 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13534 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13535 use of float in probability computations. Use edge probabilities
13536 in place of statically computed probabilities.
13537 (min_spec_prob): New static variable.
13538 (schedule_insns): Initialize it.
13539 (GET_SRC_PROB): Removed.
13540 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13542 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13545 * config/ia64/unwind-ia64.c: Revert last change.
13546 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13547 (INCOMING_FRAME_SP_OFFSET): Define.
13549 2006-02-06 Roger Sayle <roger@eyesopen.com>
13551 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13553 2006-02-07 Ben Elliston <bje@au.ibm.com>
13555 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13556 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13557 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13558 (ix86_return_in_memory): Handle TDmode.
13559 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13560 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13562 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13564 * reorg.c (dbr_schedule): Use dump_file instead of file.
13566 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13569 * config/ia64/predicates.md (extr_len_operand): New predicate.
13570 * config/ia64/ia64.md (extv): Tighten constraints.
13572 (*tbit_and_2): Ditto.
13573 (*tbit_and_3): Ditto.
13574 (*tbit_or_2): Ditto.
13575 (*tbit_or_3): Ditto.
13576 (*bit_zero): Ditto.
13579 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13582 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13584 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13586 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13587 loop_optimizer_init and loop_optimizer_finalize
13588 * tree-ssa-sink.c (execute_sink_code): Ditto.
13589 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13590 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13591 tree_ssa_loop_done): Ditto.
13592 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13593 * sched-ebb.c: Include output.h.
13594 (schedule_ebbs): Do not use dump argument.
13595 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13596 * loop.c (loop_dump_stream): Removed.
13597 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13599 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13600 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13601 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13602 loop_iterations, strength_reduce, record_biv, record_giv,
13603 final_giv_value, check_final_value, check_ext_dependent_givs,
13604 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13605 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13606 dump_file instead of loop_dump_stream.
13607 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13608 argument dump_file.
13609 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13611 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13612 * haifa-sched.c: Include output.h
13613 (schedule_insns, sched_init): Do not use dump argument.
13614 * mode-switching.c (optimize_mode_switching): Ditto.
13615 * modulo-sched.c (stats_file): Removed.
13616 (print_node_sched_params): Do not call argument dump_file.
13617 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13618 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13620 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13622 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13623 rtl_loop_init, rtl_loop_done): Ditto.
13624 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13625 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13627 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13628 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13629 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13630 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13631 * emit-rtl.c (renumber_insns): Ditto.
13632 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13633 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13634 * regclass.c (regclass): Ditto.
13635 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13636 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13637 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13638 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13640 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13641 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13643 * gcse.c (gcse_file, debug_stderr): Removed.
13644 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13645 rest_of_handle_gcse): Do not use dump argument.
13646 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13647 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13648 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13649 compute_code_hoist_vbeinout, compute_code_hoist_data,
13650 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13651 compute_store_table, build_store_vectors, insert_insn_start_bb,
13652 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13653 store_motion): Use dump_file instead of gcse_file.
13654 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13655 * profile.c (profile_dump_file): Removed.
13656 (branch_prob): Use dump_file instead of profile_dump_file.
13657 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13659 * tree-ssa-copy.c (dump_copy_of): Ditto.
13660 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13661 dump file to life_analysis.
13662 * bt-load.c (branch_target_load_optimize): Ditto.
13663 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13665 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13666 regclass, dbr_schedule): Declaration changed.
13667 * sched-int.h (sched_init): Declaration changed.
13668 * tree-profile.c (tree_profile_dump_file): Removed.
13669 (tree_profile_hooks): Removed profile_dump_file hook.
13670 * rtl-profile (rtl_profile_dump_file): Removed.
13671 (rtl_profile_hooks): emoved profile_dump_file hook.
13672 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13674 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13675 * tree-cfg.c (build_tree_cfg): Ditto.
13676 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13677 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13678 Declaration changed.
13679 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13680 life_analysis and schedule_insns.
13681 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13683 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13685 * config/mips/mips.c (mips_reorg): Ditto.
13686 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13689 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13691 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13692 (s390_mangle_fundamental_type): New.
13693 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13696 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13697 (alpha_mangle_fundamental_type): New.
13698 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13701 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13703 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13705 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13706 (sparc_mangle_fundamental_type): New.
13708 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13710 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13711 (s390x-*-linux*): Likewise.
13712 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13713 * config/s390/t-linux: New file.
13715 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13717 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13718 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13720 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13722 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13723 (ANTIC_SAFE_LOADS): New macro.
13724 (find_or_generate_expression): Add prototype.
13725 (set_contains_value): Allow null set for sake of not always having
13726 to allocate ANTIC_SAFE_LOADS.
13727 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13728 Allow COMPONENT_REF too.
13729 (valid_in_set): Allow COMPONENT_REF.
13730 Check ANTIC_SAFE_LOADS too.
13731 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13732 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13734 (can_PRE_operation): Add COMPONENT_REF.
13735 (create_component_ref_by_pieces): New function.
13736 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13737 (insert_aux): Move AGGREGATE_TYPE_P check here.
13738 (compute_avail): Set bb local stmt uids.
13739 (pass_pre): Use TODO_update_ssa_only_virtuals.
13741 2006-02-06 Ben Elliston <bje@au.ibm.com>
13743 * configure.ac: Unconditionally disable decimal float by default.
13744 * configure: Regenerate.
13746 2006-02-06 Ben Elliston <bje@au.ibm.com>
13748 * read-rtl.c (read_name): Terminate reading on EOF.
13750 2006-02-06 Ben Elliston <bje@au.ibm.com>
13752 * dfp.c (decimal_real_arithmetic): Change second argument type
13753 from int to enum tree_code. Do not always return true, but now
13754 return result of any call to decimal_do helper functions.
13755 * dfp.h (decimal_real_arithmetic): Update prototype.
13757 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13759 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13761 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13764 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13767 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13769 * tree-vrp.c (cfg_loops): Removed.
13770 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13771 Use current_loops instead of cfg_loops. Pass flags to
13772 loop_optimizer_init.
13773 * cfgloopmanip.c (fix_loop_structure): Update only available
13775 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13776 loop_optimizer_init.
13777 * modulo-sched.c (build_loops_structure): Removed.
13778 (sms_schedule): Use loop_optimizer_init.
13779 * loop-init.c (loop_optimizer_init): Use flags to determine
13780 which properties of loops to prepare.
13781 (rtl_loop_init): Pass flags to loop_optimizer_init.
13782 * tree-ssa-sink.c (execute_sink_code): Ditto.
13783 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13784 * tree-ssa-pre.c (init_pre): Ditto.
13785 * cfgloop.h (LOOPS_NORMAL): New.
13786 (loop_optimizer_init): Declaration changed.
13788 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13790 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13791 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13793 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13795 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13797 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13798 * pa/t-pa64: Delete quadlib.c rule.
13799 * pa/x-ada: Revert last change.
13800 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13802 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13804 PR rtl-optimization/26087
13805 * rtlanal.c (canonicalize_condition): Do not cross basic block
13808 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13811 * config/ia64/ia64.c: Include debug.h.
13812 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13813 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13814 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13815 (process_epilogue, process_set, process_for_unwind_directive):
13816 Output unwind info only if requested. Add CFA info if requested.
13817 Add new arguments as needed. Adjust callers.
13818 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13820 (DWARF2_FRAME_INFO): Define to zero.
13821 * config/ia64/unwind-ia64.c: Remove code that compensated for
13822 the CFA offset error fixed above.
13823 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13824 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13825 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13826 -funwind-tables and -fexceptions to enable frame info.
13827 (dwarf2out_frame_init): Define initial CFA even if
13828 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13829 DWARF2_UNWIND_INFO is nonzero, not just defined.
13830 (dwarf2out_frame_finish): Output non-EH call frame info only
13831 if DWARF2_FRAME_INFO is nonzero.
13832 (convert_cfa_to_loc_list,
13833 compute_frame_pointer_to_cfa_displacement): Define even if
13834 unwind info is not supported.
13835 (gen_subprogram_die): Use the above unconditionally. Remove
13836 legacy alternate code.
13837 * toplev.c (compile_file): Compile in call to
13838 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13839 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13841 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13842 Jakub Jelinek <jakub@redhat.com>
13844 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13845 IBM extended float format long double as "g" on powerpc*-linux.
13847 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13850 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13851 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13853 2006-02-03 Jason Merrill <jason@redhat.com>
13856 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13858 PR middle-end/25977
13859 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13860 on the return slot if it's an NRV.
13862 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13864 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13865 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13866 rewrite_use): Do not handle USE_OUTER.
13867 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13868 add_iv_outer_candidates, may_replace_final_value,
13869 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13870 (find_interesting_uses_op): Functionality of
13871 find_interesting_uses_outer_or_nonlin moved here.
13872 (find_interesting_uses_outside): Use find_interesting_uses_op.
13874 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13877 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13879 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13880 Ulrich Weigand <uweigand@de.ibm.com>
13883 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13884 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13885 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13886 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13888 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13889 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13890 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13891 Define secondary reloads for TFmode moves.
13892 (constant_modes): Add TFmode.
13893 (NR_C_MODES): Set to 8.
13894 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13896 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13897 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13898 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13899 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13900 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13901 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13902 (FPR mode macro): Add TFmode.
13903 (DSF mode macro): New.
13904 (<de>, <dee> mode attributes): Removed.
13905 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13906 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13907 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13908 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13909 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13910 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13911 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13912 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13913 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13914 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13915 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13916 "*negabs<mode>2", "sqrt<mode>2"):
13917 Changed <de> to <xde>. R constraint replaced by <Rf>.
13918 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13920 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13921 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13922 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13924 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13925 "extenddftf2", "extendsftf2"): New expanders.
13926 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13927 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13928 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13929 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13931 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13932 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13933 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13934 __floatditf): Add a GCC_4.1.0 symbol version tag.
13935 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13938 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13941 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13942 Use targetm.binds_local_p instead of TREE_PUBLIC.
13944 2006-02-02 Roger Sayle <roger@eyesopen.com>
13946 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13947 on INTEGER_TYPEs to indicate that it denotes a character type.
13948 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13949 signed_char_type_node, unsigned_char_type_node and char_type_node.
13950 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13951 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13952 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13954 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13955 Daniel Berlin <dberlin@dberlin.org>
13957 * tree-tailcall.c (arg_needs_copy_p): New function.
13958 (eliminate_tail_call): Use arg_needs_copy_p.
13959 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13960 (add_virtual_phis): New function.
13962 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13964 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13965 #ignore instead of #scratch for %g7 .register directive.
13967 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13969 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13972 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13974 * flow.c (calculate_global_regs_live): Assert that there aren't any
13977 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13979 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13980 what its name says.
13981 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13982 bsi_after_labels iterator.
13983 * tree-if-conv.c (find_phi_replacement_condition,
13984 replace_phi_with_cond_modify_expr): Likewise.
13985 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13986 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13988 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13990 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13992 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13995 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13996 array after growing it.
13998 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14000 PR middle-end/24901
14001 * fold-const.c (fold_checksum_tree): Change type of buf.
14003 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14005 * reload.c (push_secondary_reload): Initialize t_icode.
14007 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14009 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14010 -msoft-float -mlong-double-128 only issue a warning, but don't
14011 swich to DFmode long double.
14013 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14015 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14016 has a constant equivalent, iterate over equivalents for arg0,
14017 calling simplify_relational_operation and if there's a result
14018 cheaper than X, apply fold_rtx and return the result.
14020 2006-02-01 Jan Hubicka <jh@suse.cz>
14022 * opts.c (no_unit_at_a_time_default): New global variable.
14023 (decode_options): Use it.
14024 * opts.h (no_unit_at_a_time_default): Declare.
14026 2006-02-01 Paul Brook <paul@codesourcery.com>
14028 * function.c (assign_parm_setup_reg): Use function argument promotion
14030 * expr.c (expand_expr_real_1): Use function argument promotion rules
14033 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14035 * gcc.c (process_command): Change j to 'unsigned int'.
14037 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14039 PR middle-end/26001
14040 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14041 Use the corrected index for the character
14042 out of the string constant.
14044 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14046 * mode-switching.c (optimize_mode_switching): Fix size
14047 allocated for bb_info[n_entities].
14049 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14051 * gcc.c (main): Correct type that is allocated for
14052 explicit_link_files.
14054 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14056 * config/s390/s390.c (init_alignment_context): Set
14057 ALIAS_SET_MEMORY_BARRIER on the MEM.
14058 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14060 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14062 PR middle-end/25933
14063 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14065 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14068 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14070 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14071 * regrename.c: Ditto.
14072 * tree-ssa-loop-im.c: Ditto.
14073 * tree-dump.c: Ditto.
14074 * tree-complex.c: Ditto.
14075 * genrecog.c: Ditto.
14076 * tree-ssa-threadupdate.c: Ditto.
14078 * java/class.c: Ditto.
14079 * java/jcf-parse.c: Ditto.
14080 * java/resource.c: Ditto.
14081 * java/except.c: Ditto.
14082 * java/jvspec.c: Ditto.
14083 * java/jcf-write.c: Ditto.
14084 * java/jcf-path.c: Ditto.
14085 * java/gjavah.c: Ditto.
14086 * java/zextract.c: Ditto.
14087 * java/jcf-io.c: Ditto.
14088 * java/jcf.h: Ditto.
14089 * java/buffer.c: Ditto.
14090 * java/lang.c: Ditto.
14091 * java/parse-scan.y: Ditto.
14092 * java/lex.c: Ditto.
14093 * java/lex.h: Ditto.
14094 * cfgloopmanip.c: Ditto.
14095 * postreload-gcse.c: Ditto.
14096 * tree-ssa-loop-manip.c: Ditto.
14097 * postreload.c: Ditto.
14098 * tree-ssa-loop-ch.c: Ditto.
14101 * cppspec.c: Ditto.
14102 * diagnostic.c: Ditto.
14104 * genoutput.c: Ditto.
14106 * cfghooks.c: Ditto.
14107 * cfgloopanal.c: Ditto.
14108 * objc/objc-act.c: Ditto.
14110 * genextract.c: Ditto.
14111 * genautomata.c: Ditto.
14112 * pretty-print.c: Ditto.
14113 * genemit.c: Ditto.
14114 * cgraphunit.c: Ditto.
14116 * df-scan.c: Ditto.
14117 * haifa-sched.c: Ditto.
14118 * dominance.c: Ditto.
14120 * tree-ssa-loop-ivopts.c: Ditto.
14121 * df-core.c: Ditto.
14122 * mode-switching.c: Ditto.
14123 * modulo-sched.c: Ditto.
14125 * ipa-pure-const.c: Ditto.
14127 * fix-header.c: Ditto.
14129 * tree-stdarg.c: Ditto.
14130 * ipa-utils.c: Ditto.
14131 * loop-init.c: Ditto.
14132 * ipa-inline.c: Ditto.
14133 * cfganal.c: Ditto.
14135 * alloc-pool.c: Ditto.
14136 * dwarf2out.c: Ditto.
14138 * genattrtab.c: Ditto.
14139 * tree-ssa-loop-ivcanon.c: Ditto.
14140 * predict.c: Ditto.
14141 * timevar.c: Ditto.
14143 * fortran/gfortranspec.c: Ditto.
14144 * regmove.c: Ditto.
14145 * local-alloc.c: Ditto.
14146 * langhooks.c: Ditto.
14147 * function.c: Ditto.
14148 * tree-vectorizer.c: Ditto.
14150 * ipa-type-escape.c: Ditto.
14152 * tree-if-conv.c: Ditto.
14153 * profile.c: Ditto.
14155 * tree-data-ref.c: Ditto.
14156 * loop-unroll.c: Ditto.
14157 * treelang/treetree.c: Ditto.
14159 * bt-load.c: Ditto.
14160 * ggc-common.c: Ditto.
14162 * coverage.c: Ditto.
14164 * tree-cfgcleanup.c: Ditto.
14165 * tree-ssa-pre.c: Ditto.
14166 * cfgcleanup.c: Ditto.
14167 * loop-invariant.c: Ditto.
14168 * loop-iv.c: Ditto.
14169 * ipa-prop.c: Ditto.
14170 * print-tree.c: Ditto.
14171 * conflict.c: Ditto.
14172 * ggc-page.c: Ditto.
14173 * sched-deps.c: Ditto.
14174 * regclass.c: Ditto.
14175 * tree-object-size.c: Ditto.
14176 * combine.c: Ditto.
14177 * bb-reorder.c: Ditto.
14178 * resource.c: Ditto.
14179 * var-tracking.c: Ditto.
14180 * cfgloop.c: Ditto.
14181 * df-problems.c: Ditto.
14182 * reg-stack.c: Ditto.
14184 * gccspec.c: Ditto.
14185 * sched-rgn.c: Ditto.
14186 * tree-ssa-structalias.c: Ditto.
14187 * tree-ssa-reassoc.c: Ditto.
14188 * config/darwin-c.c: Ditto.
14189 * config/darwin.c: Ditto.
14190 * config/arm/arm.c: Ditto.
14192 * collect2.c: Ditto.
14193 * reload1.c: Ditto.
14195 2006-01-31 Nicolas Pitre <nico@cam.org>
14197 * arm.md (smaxsi3): Make aware of smax_m1.
14200 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14202 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14204 2006-01-31 Richard Guenther <rguenther@suse.de>
14206 * doc/invoke.texi (-msselibm): Document.
14207 * target.h (expand_library_builtin): New target hook.
14208 * builtins.c (expand_builtin): Use expand_library_builtin.
14209 (default_expand_library_builtin): New function.
14210 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14211 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14212 (link_gcc_math_spec): Declare.
14213 (static_specs): Add link_gcc_math_spec.
14214 * expr.h (default_expand_library_builtin): Declare.
14215 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14216 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14217 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14218 * config/i386/i386.opt (msselibm): New target option.
14219 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14220 (ix86_init_sse_abi_builtins): New function.
14221 (ix86_expand_library_builtin): Likewise.
14222 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14223 (override_options): Handle error conditions wrt -msselibm.
14224 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14225 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14226 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14229 2006-01-31 Richard Guenther <rguenther@suse.de>
14230 Paolo Bonzini <bonzini@gnu.org>
14232 * doc/install.texi (--disable-libgcc-math): Document.
14234 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14236 * expr.h (expand_normal): new inline function.
14237 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14238 * dojump.c: use it.
14239 * dwarf2out.c: use it.
14242 * expmed.c: use it.
14243 * except.c: use it.
14244 * config/sparc/sparc.c: use it.
14245 * config/i386/i386.c: use it.
14246 * config/rs6000/rs6000.c: use it.
14247 * config/arm/arm.c: use it.
14248 * config/mips/mips.c: use it.
14249 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14251 2006-01-30 Roger Sayle <roger@eyesopen.com>
14253 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14254 argv to the appropriate type.
14256 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14258 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14261 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14264 * config/s390/s390.c (struct machine_function): New flag
14265 decomposed_literal_pool_addresses_ok_p.
14266 (s390_reorg): Set it before final stage of literal pool transforms.
14267 (s390_decompose_address): Only accept displacements of the form
14268 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14270 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14272 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14273 the comparison routine return.
14275 2006-01-30 Michael Matz <matz@suse.de>
14277 * global.c (find_reg): Only evict for global regs.
14278 Take n_refs into account and dump more info.
14280 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14283 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14284 (pragma_trap, pragma_nosave_low_regs): Likewise.
14285 (current_function_anonymous_args): Likewise.
14286 (sh_deferred_function_attributes): New variable.
14287 (sh_deferred_function_attributes_tail): Likewise.
14288 (print_operand): For '@', look up trap_exit attribute.
14289 (calc_live_regs): Look up trapa_handler attribute. For trapa
14290 handlers, save/restore fpscr, but don't do any other
14291 interrupt-specific saves.
14292 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14293 Fix check for partially saved registers to check for SHmedia.
14294 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14295 (sh_output_function_epilogue): Don't clear any of the removed
14297 (sh_insert_attributes): Don't check pragma_interrupt.
14298 Insert deferred attributes. Check that interrupt attribute is
14299 present for other attributes that require its presence.
14300 (sh_attribute_table): Add new attributes trapa_handler and
14302 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14303 Don't check for pragma_interrupt. Don't store argument.
14304 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14305 (sh_deferred_function_attributes): Declare.
14306 (sh_deferred_function_attributes_tail): Likewise.
14307 * sh.md (sp_switch_1): Add operand. Change generator caller.
14308 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14309 (*return_i): Don't use when trap_exit attribute is in effect.
14310 (*return_trapa): New insn pattern.
14311 * sh-c.c: New file.
14312 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14313 setting c_target_objs and cxx_target_objs.
14314 * t-sh: Add rule for sh-c.o.
14316 2006-01-30 Richard Guenther <rguenther@suse.de>
14319 * gimplify.c (gimplify_target_expr): Handle easy cases
14320 without creating a temporary.
14322 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14324 * vec.h (safe_grow): Remove duplicated line.
14326 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14329 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14330 (expand_omp): ... here.
14331 (expand_omp_parallel): Only remove barriers for combined
14332 parallel+workshare constructs.
14334 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14338 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14339 * tree.c (build_qualified_type): Chain the new type to the original
14340 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14341 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14342 (build_pointer_type_for_mode): Only return unqualified types.
14343 (build_reference_type_for_mode): Likewise.
14345 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14347 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14348 * Makefile.in (CXX_COMPAT_WARN): Define.
14349 * configure: Regenerate.
14351 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14354 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14357 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14359 * toplev.c: Fix thinko.
14361 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14362 Marcin Dalecki <martin@dalecki.de>
14364 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14365 (push_srcloc): Use XNEW.
14366 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14368 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14370 * df-core.c (df_set_blocks): Deleted all variable.
14372 2006-01-28 Ian Lance Taylor <ian@airs.com>
14374 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14375 cgraph_output_pending_asms.
14377 2006-01-28 Zack Weinberg <zackw@panix.com>
14379 * c.opt: Add -W(no-)overlength-strings.
14380 * doc/invoke.texi: Document it.
14381 * c-opts.c (c_common_handle_option): -pedantic implies
14382 -Woverlength-strings, if not explicitly disabled already.
14383 (c_common_post_options): -Woverlength-strings defaults to off, and
14384 is always off for C++.
14385 * c-common.c (fix_string_type): Issue warning about strings longer
14386 than is portable only if warn_overlength_strings. Rearrange code
14387 a little for clarity.
14388 * configure.in: Check for -Wno-overlength-strings as well before
14389 enabling -pedantic in stage 1.
14390 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14391 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14393 * genconditions.c (write_header, write_one_condition)
14394 (write_conditions, write_writer): Consolidate very long strings
14395 that were broken up to fit in C89 portable limit. Don't use
14396 printf when fputs will do.
14398 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14400 * combine.c (simplify_comparison <AND>): Check
14401 TRULY_NOOP_TRUNCATION before start using a subreg.
14403 * config/mips/mips.md (*branch_zero<mode>,
14404 *branch_zero<mode>_inverted, *branch_equality<mode>,
14405 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14406 Remove mode check from comparisons.
14408 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14410 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14412 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14414 * expmed.c (const_mult_add_overflow_p): Remove.
14415 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14417 * recog.c (validate_replace_rtx_subexp): Remove.
14418 * recog.h: Remove the prototype for
14419 validate_replace_rtx_subexp.
14421 * integrate.h: Remove the prototype for
14422 copy_decl_for_inlining.
14423 * rtl.h: Remove the prototype for mark_constant_function.
14424 * tree-vectorizer.h: Remove the prototype for
14425 vect_strip_conversion.
14427 * modulo-sched.c (create_partial_schedule,
14428 free_partial_schedule, reset_partial_schedule): Make them
14431 * hooks.c (hook_bool_rtx_int_false): Remove.
14432 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14434 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14436 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14437 and -mlong-double-128 are incompatible.
14438 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14439 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14440 (TARGET_LIBGCC2_CFLAGS): Define.
14441 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14442 (TARGET_LIBGCC2_CFLAGS): Same.
14443 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14445 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14448 * c-typeck.c (build_binary_op): Perform implicit casts of
14449 operands before shortening them.
14451 * cfgloopmanip.c (split_loop_bb): Remove.
14452 * cfgloop.h: Remove the prototype for split_loop_bb.
14454 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14455 * cfgloop.h: Remove the prototype for
14456 flow_loop_outside_edge_p.
14458 * emit-rtl.c (init_virtual_regs): Make it static.
14459 * function.h: Remove the prototype for init_virtual_regs.
14461 * recog.c (peephole2_optimize): Make it static.
14462 * recog.h: Remove the prototype for peephole2_optimize.
14464 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14466 * df-scan.c (df_record_entry_block_defs): Check if
14467 INCOMING_RETURN_ADDR_RTX is defined.
14469 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14470 Kenneth Zadeck <zadeck@naturalbridge.com>
14472 PR rtl-optimization/24762
14473 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14474 * targhooks.c (hook_void_bitmap): New hook prototype.
14475 * targhoohs.h (hook_void_bitmap): Ditto.
14476 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14477 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14478 * target.h (live_on_entry): New function pointer.
14479 * df-scan.c (df_all_hard_regs): Removed.
14480 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14481 (df_scan_free_internal): Added df->entry_block_defs.
14482 (df_scan_alloc): Ditto.
14483 (df_scan_dump): Ditto.
14484 (df_uses_record): Plumbed flag field properly thru calls.
14485 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14486 This part fixes PR24762.
14487 (df_bb_refs_record): Added code to make the frame and arg
14488 pointers live in EH blocks.
14489 (df_refs_record): Added call to df_record_entry_block_defs.
14490 (df_record_entry_block_defs): New function.
14491 * df-core.c: Added comments to describe new artifical defs.
14492 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14493 (entry_block_defs): New field in struct df.
14494 (df_all_hard_regs): Deleted.
14495 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14496 * df-problems.c (df_ru_bb_local_compute_process_def):
14497 Added code to handle artifical defs in the entry to a function.
14498 (df_ru_bb_local_compute): Ditto.
14499 (df_rd_bb_local_compute_process_def): Ditto.
14500 (df_rd_bb_local_compute): Ditto.
14501 (df_lr_bb_local_compute): Ditto.
14502 (df_ur_bb_local_compute): Ditto.
14503 (df_urec_bb_local_compute): Ditto.
14504 (df_chain_create_bb): Ditto.
14505 (df_ur_local_finalize): Removed entry.
14506 (df_urec_init): Ditto.
14507 (df_urec_local_finalize): Ditto.
14508 (df_ri_bb_compute): Added detection of last use of pseudos.
14509 * Makefile.in (df-scan.o): Updated dependencies.
14510 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14511 * config/mips/mips.c (mips_set_live_on_entry): Added.
14512 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14514 * dce.c (marked_insn_p): Added code to handle artifical defs.
14516 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14518 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14520 (_mm_cvtsi128_si64): Likewise.
14521 (_mm_cvtsd_si64): Likewise.
14522 (_mm_cvttsd_si64): Likewise.
14523 (_mm_cvtsi64_sd): Likewise.
14524 (_mm_cvtsi64_si128): Likewise.
14525 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14526 (_mm_cvtsi64_m64): Likewise.
14527 (_m_to_int64): Likewise.
14528 (_mm_cvtm64_si64): Likewise.
14529 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14530 (_mm_cvttss_si64): Likewise.
14531 (_mm_cvtsi64_ss): Likewise.
14532 (_mm_cvtss_f32): Likewise.
14534 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14536 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14537 for pragma redefine_extname.
14539 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14542 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14543 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14544 -mno-minimal-toc to previous content.
14545 (bispecs): Remove goal.
14546 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14547 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14548 compatibility aliases on powerpc-*-*gnu*.
14549 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14550 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14551 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14552 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14553 (ldblspecs): New goal.
14554 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14555 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14557 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14558 L_sf_to_tf or L_df_to_tf is defined.
14560 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14561 Alan Modra <amodra@bigpond.net.au>
14564 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14565 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14566 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14567 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14568 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14569 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14570 (rs6000_override_options): Initialize rs6000_ieeequad.
14571 Initialize TFmode format to ibm_extended_format if not
14573 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14575 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14576 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14577 (function_arg_advance): IBM long double passed in two FPRs, not
14579 (function_arg): IBM long double passed in FPRs.
14580 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14581 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14582 Only multireg GPR aligned.
14583 (rs6000_init_libfuncs): Enable IBM long double functions if not
14585 (rs6000_generate_compare): Use IBM long double compare if not
14587 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14588 (TARGET_IEEEQUAD): Define.
14589 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14590 not TARGET_IEEEQUAD.
14591 * config/rs6000/rs6000.md: Enable TFmode patterns if
14593 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14594 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14595 and -mlong-double-128 are incompatible.
14596 * doc/invoke.texi (-mabi): Collect options together. Add
14597 ibmlongdouble and ieeelongdouble.
14599 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14601 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14603 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14604 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14605 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14606 * rtl.h (rtunion_def): Remove rt_ptr.
14608 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14609 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14610 * config/i386/winnt.c (i386_pe_mark_dllexport)
14611 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14613 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14615 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14617 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14621 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14622 pthread_key_delete. From John David Anglin. gthrw-ify
14623 pthread_getunique_np only if it it's not a macro. Delete
14625 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14626 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14627 __gthread_objc_condition_signal, __gthread_key_delete): Add
14628 "__attribute__ ((__unused__))" to unused arguments.
14629 (__gthread_recursive_mutex_init_function): Add missing return.
14630 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14631 gthr-posix95.h: Use macro-based approach for name redirection
14632 on targets missing weakref.
14634 2006-01-26 Zack Weinberg <zackw@panix.com>
14636 * genconditions.c (write_header): In generated code, #ifdef out
14637 all includes and fake declarations, except includes of bconfig.h
14638 and system.h, unless GCC_VERSION >= 3001. Do not include
14639 gensupport.h in any case.
14640 (write_conditions): Generate a definition of struct c_test. Add
14641 a comment to the generated #endif.
14642 (write_one_condition): Escape backslashes in string too.
14643 (write_writer): Generated code must escape backslashes and quote
14644 marks (but not newlines) in the strings it writes.
14645 * Makefile.in (build/gencondmd.o): Update dependencies.
14647 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14650 * Makefile.in (insn-automata.o): Add header file dependencies.
14651 * genautomata.c: Add includes.
14653 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14656 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14658 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14660 * configure.ac: Expect target tools paths to be passed from the toplevel
14661 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14663 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14665 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14668 * c.opt (Wpointer-sign): Init to -1.
14669 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14670 OPT_pedantic, to 0 otherwise.
14671 * doc/invoke.texi: Update.
14673 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14675 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14676 constants provided by 80387 instructions in the destination mode.
14678 2006-01-26 Richard Guenther <rguenther@suse.de>
14679 Andrew Pinski <pinskia@physics.uc.edu>
14682 partial PR tree-opt/17064
14683 * tree-ssa-structalias.c (intra_create_variable_infos):
14684 Create heap variables for incoming parameters if
14685 flag_argument_noalias > 1.
14686 (find_what_p_points_to): Look through default defs of
14689 2006-01-26 Jeff Law <law@redhat.com>
14692 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14693 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14694 within the VR_RANGE, use the VR_RANGE as the result, not the
14696 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14697 bounds for the type.
14699 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14701 * tree-ssa-alias.c (maybe_create_global_var): Change
14702 subvar walking to an assertion that we don't have subvar'd variables.
14704 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14707 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14708 Use a new variable, inner. PARM_DECLs are always non-weak.
14710 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14712 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14713 --disable-checking.
14715 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14717 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14719 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14721 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14722 (smax_insn, smin_insn, smax_0, smin_0): New.
14724 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14727 * config/cris/cris.c (cris_order_for_addsi3): New function.
14728 * config/cris/cris-protos.h: Prototype it.
14729 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14730 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14731 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14732 (split for "op.S1 [rx=rx+i],ry (swapped)")
14733 (split for "op(s|u).S1 [rx=rx+i],ry")
14734 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14735 Apply cris_order_for_addsi3 when generating addsi3 insns.
14737 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14739 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14740 (TREE_BLOCK): Add call to EXPR_CHECK.
14742 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14745 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14746 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14747 (dump_omp_clauses): ... here.
14748 (dump_generic_node): Handle OMP_CLAUSE.
14749 * tree.c (omp_clause_num_ops): New.
14750 (omp_clause_code_name): New.
14751 (tree_code_size): Handle OMP_CLAUSE.
14752 (tree_size): Likewise.
14753 (make_node): Document handling of OMP_CLAUSE.
14754 (tree_node_structure): Handle OMP_CLAUSE.
14755 (omp_clause_check_failed): New.
14756 (omp_clause_range_check_failed): New.
14757 (omp_clause_operand_check_failed): New.
14758 (build_omp_clause): New.
14759 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14760 * tree.h (enum omp_clause_code): Declare.
14761 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14762 (OMP_CLAUSE_RANGE_CHECK): Define.
14763 (OMP_CLAUSE_ELT_CHECK): Define.
14764 (omp_clause_check_failed): Declare.
14765 (omp_clause_operand_check_failed): Declare.
14766 (omp_clause_range_check_failed): Declare.
14767 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14768 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14769 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14770 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14771 (OMP_CLAUSE_IF_EXPR): Likewise.
14772 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14773 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14774 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14775 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14776 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14777 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14778 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14779 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14780 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14781 (OMP_CLAUSE_CODE): Define.
14782 (OMP_CLAUSE_SET_CODE): Define.
14783 (OMP_CLAUSE_CODE): Define.
14784 (OMP_CLAUSE_OPERAND): Define.
14785 (struct tree_omp_clause): Declare.
14786 (union tree_node): Add field 'omp_clause'.
14787 * treestruct.def (TS_OMP_CLAUSE): Define.
14788 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14789 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14790 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14791 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14792 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14793 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14794 (OMP_CLAUSE): Define.
14795 * print-tree.c (print_node): Handle OMP_CLAUSE.
14796 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14797 * c-typeck.c: Likewise.
14798 * gimplify.c: Likewise.
14799 * c-omp.c: Likewise.
14800 * tree-nested.c: Likewise.
14801 * tree-inline.c: Likewise.
14802 * c-parser.c: Likewise.
14803 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14806 2006-01-25 Roger Sayle <roger@eyesopen.com>
14808 PR rtl-optimization/25703
14809 * combine.c (try_combine): Handle zero_extract and strict_low_part
14810 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14812 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14814 * global.c: Fix comment typos.
14816 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14819 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14820 Use output_addr_const instead of assemble_name.
14822 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14824 * Makefile.in (sched-vis.o): Update dependencies.
14825 * haifa-sched.c (sched_finish): Clear current_sched_info.
14826 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14827 (dump_flow_info): Call it.
14828 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14830 * basic-block.h (dump_bb_info): Declare.
14831 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14832 option, and apply options only for dump files whose TDF_RTL,
14833 TDF_TREE, or TDF_IPA bits match.
14834 * rtl.h: Declare new functions exported from sched-vis.c.
14835 * sched-vis.c: Enable also if scheduling is not used.
14836 (print_value): Print the mode of registers if not inside scheduling.
14837 (print_insn): Make it work outside the scheduler. Beautify the output
14839 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14841 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14843 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14844 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14845 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14846 depending on the value of CONSTANT_POOL_ADDRESS_P.
14847 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14849 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14850 rather than SYMBOL_REF_DECL.
14851 (rtx_constant_pool): Remove const_rtx_sym_htab.
14852 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14853 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14854 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14855 Remove handling of const_rtx_sym_htab.
14856 (find_pool_constant): Delete.
14857 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14858 rather than find_pool_constant.
14859 (get_pool_constant_for_function): Delete.
14860 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14861 find_pool_constant.
14862 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14863 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14864 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14865 (SYMBOL_REF_CONSTANT): New macro.
14866 (get_pool_constant_for_function): Delete.
14867 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14868 rather than SYMBOL_REF_DECL.
14869 (i386_pe_mark_dllimport): Likewise.
14870 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14871 rather than SYMBOL_REF_DECL.
14872 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14873 (machopic_indirect_call_target): Likewise.
14875 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14877 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14879 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14881 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14883 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14885 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14887 2006-01-24 David Daney <ddaney@avtrex.com>
14890 * configure.ac (enable_tls): New enable option.
14891 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14892 * configure: Regenerate.
14893 * doc/install.texi (--enable-tls): Document new option.
14894 (--disable-tls): Ditto.
14896 2006-01-24 Richard Henderson <rth@redehat.com>
14898 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14899 * alias.c (true_dependence): Respect it.
14900 (canon_true_dependence, write_dependence_p): Likewise.
14901 * builtins.c (get_builtin_sync_mem): Set it.
14903 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14905 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14908 2006-01-24 DJ Delorie <dj@redhat.com>
14910 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14911 for storing constants in single-bit bitfields.
14913 2006-01-25 Ben Elliston <bje@au.ibm.com>
14915 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14917 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14920 * tree-ssa-pre.c (phi_translate): Return NULL
14921 for AGGREGATE_TYPE's.
14923 2006-01-24 Zack Weinberg <zackw@panix.com>
14925 * genautomata.c (process_state_for_insn_equiv_partition):
14926 Use xcalloc for insn_arcs_array.
14927 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14928 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14930 2006-01-24 Richard Henderson <rth@redhat.com>
14932 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14933 update all callers.
14935 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14937 PR rtl-optimization/25890
14938 PR rtl-optimization/25905
14939 * combine.c (expand_compound_operation, expand_field_assignment):
14940 Fail if the bitfield's final position is out of bounds.
14942 2006-01-24 Ian Lance Taylor <ian@airs.com>
14944 PR middle-end/25930
14945 * cgraphunit.c (cgraph_output_in_order): Don't clear
14946 cgraph_asm_nodes until after asm strings have been output.
14948 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14950 * fix-header.c (read_scan_file): Add new parameter imultilib when
14951 calling register_include_chains.
14953 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14955 * omp-low.c: Update documentation.
14957 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14958 Daniel Berlin <dberlin@dberlin.org>
14962 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14963 return from the function.
14965 2006-01-22 Zack Weinberg <zackw@panix.com>
14967 * rtl.def (match_code): Add second argument.
14968 * genpreds.c (write_extract_subexp): New function.
14969 (write_match_code): Add path argument. Use write_extract_subexp.
14970 (write_predicate_expr): Pass path to write_match_code.
14971 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14972 not perform a mode test.
14973 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14974 a subexpression does not constrain the top-level code set.
14975 * read-rtl.c (read_rtx_variadic): New function.
14976 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14977 * doc/md.texi: Document new notation.
14978 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14979 (cmpsi_operand): ... here, using new notation.
14981 2006-01-22 Zack Weinberg <zackw@panix.com>
14983 * varray.c: Remove GENERATOR_FILE #ifdefs.
14985 2006-01-22 Zack Weinberg <zackw@panix.com>
14987 * genautomata.c (output_reserved_units_table): Emit nothing if
14988 description->query_units_num is zero. Remove extra blank line.
14989 (output_cpu_unit_reservation_p): Short circuit
14990 if description->query_units_num is zero.
14992 2006-01-22 Zack Weinberg <zackw@panix.com>
14994 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14995 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14996 nor any of the random handful of variables that used to be necessary
14997 when this program was linked with rtlanal.o. Prune set of forward
14998 function declarations.
14999 (struct attr_desc): Remove static_p field.
15000 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15001 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15002 (attr_string): Do not read the character one past the length of
15004 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15005 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15006 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15007 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15008 (make_automaton_attrs): New.
15009 (main): Do not call into genautomata. Call local gen_bypass
15010 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15011 Remove special case for insn_alts.
15012 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15013 varray.h (leftover from previous change). Prune set of forward
15014 function declarations. Remove state_alts fields from all
15015 structures. Remove state_alts_table from struct automaton.
15016 Make everything except main static. Do not maintain num_dfa_decls.
15017 Do not maintain state_alts fields of various structures.
15018 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15019 (add_arc): Remove state_alts argument. All callers updated.
15020 (output_reserved_units_table): Emit #ifdef here...
15021 (output_tables): ...not here. Don't generate state_alts tables.
15022 (expand_automata): Don't generate attributes.
15023 (write_automata): Don't generate state_alts functions.
15024 (main): New function.
15025 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15026 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15027 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15028 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15029 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15030 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15031 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15032 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15034 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15035 * genattrtab.h: Delete file.
15036 * Makefile.in (OBJS-common): Add insn-automata.o.
15037 (insn-automata.o): New rule.
15038 (simple_generated_c): Add insn-automata.c.
15039 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15040 (genprogmd): Add automata.
15041 (build/genattrtab): Needs no extra objects nor libraries.
15042 (build/genautomata): Needs build/vec.o and -lm.
15044 2006-01-22 Zack Weinberg <zackw@panix.com>
15046 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15047 (output_dfa_max_issue_rate, locked_states_num): Delete.
15048 (struct automaton): Add locked_states field.
15049 (output_dead_lock_vect): Save number of locked states in
15050 automaton->locked_states. If it is zero, don't print anything.
15051 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15052 (output_internal_dead_lock_func): Only test the dead_lock_vect
15053 for automata that have locked states.
15054 (output_statistics): Always print the number of locked states for
15055 each automaton. Calculate total number of locked states here.
15056 (write_automata): Don't call output_dfa_max_issue_rate.
15057 * genattrtab.c: Define length_unit_log as a const variable.
15058 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15059 max_insn_queue_index const.
15060 * final.c (length_unit_log): Declare const.
15061 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15063 2006-01-22 Zack Weinberg <zackw@panix.com>
15065 * genautomata.c: Include vec.h, not varray.h.
15066 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15067 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15068 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15069 VEC_* macros operating on appropriately typed vectors, or to
15070 malloced arrays when the size is known in advance. Const-ify
15071 many char* variables and function arguments. No functional changes.
15072 * Makefile.in (build/varray.o): Delete rule.
15073 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15074 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15076 2006-01-22 Zack Weinberg <zackw@panix.com>
15078 * gensupport.c: Define get_insn_name and record_insn_name here.
15079 (read_md_rtx): Call record_insn_name as appropriate.
15080 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15081 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15082 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15084 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15085 (BUILD_VARRAY): Delete.
15086 (genprognormal): Rename genprogmd. Fold in all programs from
15087 genprognoprint; also attrtab.
15088 (build/genattrtab): Just mention genautomata.o and varray.o.
15089 Reorganize a bit, add comments to make the categories clearer.
15091 2006-01-22 Zack Weinberg <zackw@panix.com>
15093 * genconditions.c (condition_table, add_condition): Delete.
15094 (write_conditions): Don't emit n_insn_conditions nor
15095 insn_elision_unavailable. Issue the gcc version #ifdef here,
15096 inside the table, with no #else clause ...
15097 (write_header): ...not here.
15098 (write_writer): New function.
15099 (main): Don't initialize condition_table. Use add_c_test.
15101 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15102 files on the command line.
15103 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15104 Return -1 if there is no entry in the table, don't abort.
15105 (add_c_test, traverse_c_tests): New functions.
15106 * gensupport.h (insn_elision_unavailable, insn_conditions)
15107 (n_insn_conditions): Delete declarations.
15108 (add_c_test, traverse_c_tests): Declare.
15109 * read-rtl.c: Include gensupport.h.
15110 (read_conditions): New function.
15111 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15112 (read_rtx_1): If we get EOF when we were looking for an initial
15113 open paren, return 0. Call read_conditions when appropriate.
15114 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15115 dummy-conditions.o. Eliminate references to insn-conditions.o,
15116 or change them to build/gencondmd.o, as appropriate. Remove
15117 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15118 from $(simple_generated_c). For all files remaining in those
15119 two lists, add insn-conditions.md to the generator command line.
15120 Give insn-constants.h/s-constants their own rules. Add rules
15121 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15122 (build/read-rtl.o): Depend on gensupport.h.
15123 (genprognormal): Include preds.
15124 (genprogearly): Rename genprognoprint; only difference is now that
15125 they don't link with $(BUILD_PRINT).
15126 * dummy-conditions.c: Delete.
15128 2006-01-22 Zack Weinberg <zackw@panix.com>
15130 * genextract.c: Don't include insn-config.h. Do include vec.h.
15131 Declare vectors of int, char, and locstr.
15132 (locstr): New typedef.
15133 (struct extraction): Make all array fields into bare pointers.
15134 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15135 (insn_code_number): Delete.
15136 (accum_extract): New struct.
15137 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15138 (gen_insn): Take insn_code_number as an argument. Use an
15139 accum_extract structure instead of loading data directly into
15140 a struct extraction, and having to know how big it might get.
15141 (walk_rtx): Operate entirely on an accum_extract structure.
15142 (print_path): Avoid unnecessary use of printf.
15143 (print_header): New function, split out of main. Distinguish
15144 more carefully between an unrecognizable insn and an insn that
15145 has the code number of a define_expand.
15146 (main): Pass insn_code_number to gen_insn. Call print_header
15147 only after parsing. Avoid unnecessary use of printf.
15148 * Makefile.in (build/vec.o): New rule.
15149 (build/genextract): Depend on build/vec.o.
15150 (build/genextract.o): Don't depend on insn-config.h.
15152 2006-01-22 Zack Weinberg <zackw@panix.com>
15154 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15155 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15156 practical. Eliminate per-generator-program link rules.
15158 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15160 PR middle-end/24437
15161 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15162 with a call expr to ...
15163 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15165 2006-01-23 Richard Guenther <rguenther@suse.de>
15167 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15168 before make_edge with conditional EDGE_TRUE_VALUE.
15170 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15171 Jan Hubicka <jh@suse.cz>
15172 Richard Guenther <rguenther@suse.de>
15174 PR rtl-optimization/25654
15175 * cfgexpand.c (aggregate_contains_union_type): New function.
15176 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15177 for structure variables that contain a union type.
15179 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15181 * gengtype.c (new_structure): Return the structure.
15182 (create_option): Add an extra "next" argument.
15183 (create_field): New function.
15184 (adjust_field_rtx_def): Use create_option and create_field.
15185 Remove a now-unnecessary call to find_structure.
15186 (adjust_field_tree_def): Likewise.
15187 (note_yacc_type): Remove an unnecessary call to find_structure.
15188 * gengtype.h (new_structure): Return the structure.
15189 (create_option): Add an extra argument.
15190 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15191 (option): Adjust calls to create_option.
15193 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15195 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15197 2006-01-22 Paul Brook <paul@codesourcery.com>
15198 Peter Barada <peter@the-baradas.com>
15200 * config/m68k/m68k.md: Add Coldfire FPU support.
15201 Define FP mode macro and associated attributes.
15202 Use it for float mode patterns.
15203 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15204 (LIBCALL_VALUE): Use m68k_libcall_value.
15205 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15206 (m68k_function_value): Ditto.
15207 (emit_move_sequence): Ditto.
15208 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15209 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15210 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15211 (MULTILIB_EXCEPTIONS): Ditto.
15212 * config/m68k/m68k.opt: Add mcfv4e.
15213 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15214 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15215 (m68k_output_function_prologue): Save ColdFire FPU registers.
15216 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15217 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15218 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15219 ColdFire FPU registers.
15220 (m68k_libcall_value, m68k_function_value): New functions.
15221 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15222 (LIBCALL_VALUE): Use m68k_libcall_value.
15223 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15224 (MASK_COLDFIRE): Add MASK_CFV4E.
15225 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15226 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15227 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15228 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15229 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15230 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15231 * doc/invoke.tex: Document -mcfv4e on m68k.
15233 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15235 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15238 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15241 * c-opts.c (c_common_handle_option): Don't include
15242 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15243 * doc/invoke.texi (C++ Dialect Options): Document that
15244 -Wnon-virtual-dtor is no longer included in -Wall.
15246 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15248 * gcov.c (print_version), gcov-dump.c (print_version),
15249 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15252 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15254 * df-scan.c (problem_SCAN): Added NULL reset function.
15255 (df_scan_reset_blocks): Added code to call reset block function
15256 (df_bb_refs_delete) Fixed comment.
15257 (df_insn_refs_delete): Made tolerant of deleting non existent info
15258 for dataflow problems that need to be reset.
15259 * df-core.c (df_set_blocks): Ditto.
15260 * df.h (struct df_problem): Added reset_fun.
15261 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15262 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15263 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15264 functions to clear out all references to def-use or use-def chains.
15266 2006-01-21 Ben Elliston <bje@au.ibm.com>
15268 * varasm.c (assemble_real): Initialise data array.
15270 2006-01-20 Paul Brook <paul@codesourcery.com>
15272 Merge from csl-arm-branch.
15273 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15274 * config/arm/arm.md (movdi): Force operands[1] to a register
15275 if we have a non-register source.
15276 (*arm_movdi, *movdf_soft_insn): Require that one of the
15277 operands be a register.
15278 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15279 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15281 2006-01-20 DJ Delorie <dj@redhat.com>
15283 * varasm.c (initializer_constant_valid_p): Allow pointers
15284 initialized from integer constants of lesser precision.
15285 (output_constant): Allow non-int-sized pointer modes to be
15286 initialized from integer constants.
15288 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15291 * cppdefault.h (struct default_include): Add multilib flag.
15292 * cppdefault.c (cpp_include_defaults): Set it.
15293 * c.opt (-imultilib): New option.
15294 * c-opts.c (imultilib): New.
15295 (c_common_handle_option): Handle -imultilib.
15296 (c_common_post_options): Likewise.
15297 * c-incpath.c (add_standard_paths, register_include_chains):
15299 * c-incpath.h (register_include_chains): Add extra parameter.
15300 * gcc.c (do_spec_1): Generate -imultilib option.
15301 (The Specs Language): Update %I description.
15302 (process_command): Update copyright notice.
15303 * doc/cppopts.texi (-imultilib): Document.
15304 * doc/invoke.texi (-imultilib): Include in option summary.
15305 (%I): Update specs documentation.
15307 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15309 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15311 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15313 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15316 2006-01-20 Richard Guenther <rguenther@suse.de>
15317 Steven Bosscher <stevenb.gcc@gmail.com>
15319 PR rtl-optimization/24626
15320 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15321 EDGE_TRUE_VALUE if in RTL mode.
15324 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15325 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15327 2006-01-20 Dirk Mueller <dmueller@suse.com>
15330 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15331 instead of a special NOP marker.
15332 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15333 NOP marker handling.
15334 * c-common.h (empty_body_warning): Add forward declaration.
15335 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15336 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15338 2006-01-20 Paul Brook <paul@codesourcery.com>
15340 * Makefile.in (lang_checks): Keep going if mkdir fails.
15342 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15344 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15345 be able to clean out basic block when not necessary.
15346 (df_scan_free): Fixed to properly delete information if df is
15347 unused before calling df_finish.
15348 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15349 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15351 (df_bb_refs_delete): New function.
15352 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15353 * df-core.c (df_set_blocks): Added code to properly clean out
15354 unused blocks if they are not part of the blocks to consider.
15355 Added additional null check.
15356 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15357 be able to clean out basic block when not necessary
15358 * df.h (df_free_bb_function): Ditto.
15359 (df_bb_refs_delete): New function.
15360 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15361 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15362 basic block parameter to be able to clean out basic block when not
15364 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15365 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15366 Fixed to properly delete information if df is unused before
15369 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15371 PR rtl-optimization/25799
15372 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15373 Corrected confluence operator to remove bits from op2 before oring
15374 with op1 rather than removing bits from op1.
15375 (df_ru_transfer_function): Corrected test on wrong bitmap which
15376 caused infinite loop. Both of these problems were introduced in
15377 the dataflow rewrite.
15379 2006-01-19 DJ Delorie <dj@redhat.com>
15381 * reload1.c (find_reload_regs): Note the details of reload
15382 failures in the dump file.
15383 (spill_failure): Likewise.
15385 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15387 * loop-iv.c: Include df.h and hashtab.h.
15388 (enum iv_grd_result): New enum.
15389 (DF_REF_IV, DF_REF_IV_SET): New macros.
15390 (struct biv_entry): New.
15391 (df, bivs): New global variables.
15392 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15393 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15395 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15396 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15397 analyzed_for_bivness_p, record_biv): New functions.
15398 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15399 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15400 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15402 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15404 (iv_number_of_iterations): Use new interface to iv analysis.
15405 * loop-unroll.c: Do not include varray.h.
15406 (analyze_iv_to_split_insn): Use new interface to iv
15408 * loop-unswitch.c (may_unswitch_on): Ditto.
15409 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15411 (df_bb_modify): Realloc tables to the new index.
15412 (df_find_use): New function.
15413 * df.h (df_find_use): Declare.
15414 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15416 * cfgloop.h (struct rtx_iv): Remove analysed field.
15417 (iv_get_reaching_def): Removed.
15418 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15419 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15420 (loop-iv.o): Add df.h and hashtab.h dependency.
15421 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15423 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15426 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15428 (__floatundisf, __floatundidf): Likewise.
15429 * libgcc2.h (IS_IBM_EXTENDED): Define.
15431 2006-01-19 DJ Delorie <dj@redhat.com>
15433 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15435 2006-01-19 Paul Brook <paul@codesourcery.com>
15437 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15438 as nothrow when unwinding tables are disabled.
15440 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15443 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15444 of bit-field" when in system header.
15446 2006-01-19 DJ Delorie <dj@redhat.com>
15448 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15449 the 16 bit shift limit of the m16c.
15451 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15454 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15455 * config/i386/i386.c (output_set_got): Output the label if we have one
15456 for the TARGET_DEEP_BRANCH_PREDICTION case.
15458 2006-01-19 Jan Hubicka <jh@suse.cz>
15459 H.J. Lu <hongjiu.lu@intel.com>
15460 Evandro Menezes <evandro.menezes@amd.com>
15462 * invoke.texi (generic): Document
15464 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15465 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15466 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15467 (x86_use_incdec, x86_pad_returns): New variables
15468 (TARGET_CPU_DEFAULT_generic): New constant
15469 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15470 (enum processor_type): Add generic32 and generic64.
15471 * i386.md (cpu attribute): Add generic32/generic64
15472 (movhi splitter): Behave sanely when both partial_reg_dependency and
15473 partial_reg_stall are set.
15474 (K8 splitters): Enable for generic as well.
15475 * predicates.md (incdec_operand): Use TARGET_INCDEC
15476 (aligned_operand): Avoid memory mismatch stalls.
15477 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15478 * ppro.md: Enable for generic32
15479 * i386.c (generic64_cost, generic32_cost): New.
15480 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15481 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15482 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15483 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15484 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15485 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15486 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15487 x86_accumulate_outgoing_args, x86_prologue_using_move,
15488 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15489 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15490 Enable for generic.
15491 (x86_use_incdec, x86_pad_returns): New.
15492 (override_options): Add generic32 and generic64, translate "generic"
15493 to generic32/generic64 and "i686" to "generic32", refuse
15494 "generic32"/"generic64" as arch target.
15495 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15496 (ix86_reorg): Honor PAD_RETURNS.
15498 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15500 * tree-pretty-print.c (dump_generic_node): Handle
15501 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15502 * cgraph.c (cgraph_expand_queue): Rename from
15503 cgraph_analyze_queue. Update all users.
15504 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15505 cgraph_expand_queue.
15506 (cgraph_expand_all_functions): Likewise.
15507 (cgraph_finalize_pending_functions): Remove. Update callers.
15509 * tree.h (OMP_DIRECTIVE_P): Define.
15510 (OMP_PARALLEL_FN): Define.
15511 (OMP_PARALLEL_DATA_ARG): Define.
15512 (OMP_SECTIONS_SECTIONS): Define.
15513 * tree-pass.h (pass_expand_omp): Declare.
15514 * omp-low.c (struct omp_region): Declare.
15515 (struct omp_context): Remove fields 'parallel_type',
15516 'parallel_start_ix' and 'parallel_start_additional_args'.
15518 (struct omp_for_data): Rename from struct expand_omp_for_data.
15519 (omp_regions): New static variable.
15520 (root_omp_region): New static variable.
15521 (find_omp_clause): Make static.
15522 (is_in_combined_parallel_ctx): Remove.
15523 (is_combined_parallel): New.
15524 (extract_omp_for_data): Move earlier in the file.
15525 (workshare_safe_to_combine_p): New.
15526 (get_ws_args_for): New.
15527 (determine_parallel_type): Move earlier in the file.
15528 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15530 (omp_copy_decl): Likewise.
15531 (create_omp_child_function): Likewise.
15532 (lookup_omp_region): New.
15533 (dump_omp_region): New.
15534 (debug_omp_region): New.
15535 (debug_all_omp_regions): New.
15536 (new_omp_region): New.
15537 (scan_omp_parallel): If parallel_nesting_level > 1, the
15538 directive is nested within another parallel directive.
15539 Set OMP_PARALLEL_FN.
15540 (scan_omp_for): Do not try to handle combined parallel+for
15542 Remove FIXME comment.
15543 (scan_omp_nested): Remove.
15544 (scan_omp_1): Do not call scan_omp_nested when
15545 parallel_nesting_level is > 1.
15546 Do not change the DECL_CONTEXT of local variables found.
15547 (lookup_decl_in_outer_ctx): New.
15548 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15549 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15550 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15551 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15552 If CTX is nested, lookup VAR in the outer context when
15553 building copy assignment.
15554 (lower_send_clauses): Rename from expand_send_clauses.
15555 If CTX is nested, lookup VAR in the outer context when
15556 building copy assignments.
15557 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15558 If CTX is nested, lookup VAR in the outer context when
15559 building copy assignments.
15560 (expand_parallel_call): Rename from build_parallel_call.
15561 Handle combined parallel+workshare cases.
15562 Re-implement to emit code into the CFG.
15564 (expand_omp_parallel): Re-implement to emit code into the CFG.
15565 Call move_sese_region_to_fn to outline the sub-graph
15566 containing the parallel region.
15567 (expand_omp_for_1): Remove.
15568 (expand_omp_for_generic): Re-implement to emit code into the
15570 (expand_omp_for_static_nochunk): Likewise.
15571 (expand_omp_for_static_chunk): Likewise.
15572 (expand_omp_for): Likewise.
15573 (expand_omp_sections): Likewise.
15574 (remove_exit_barriers): New.
15575 (expand_omp_synch): New.
15577 (build_omp_regions_1): New.
15578 (build_omp_regions): New.
15579 (execute_expand_omp): New.
15580 (gate_expand_omp): New.
15581 (pass_expand_omp): Define.
15582 (lower_omp_sections): Rename from expand_omp_sections.
15583 Set OMP_SECTIONS_SECTIONS.
15584 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15585 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15586 (lower_omp_single): Rename from expand_omp_simple.
15587 (lower_omp_master): Rename from expand_omp_master.
15588 (lower_omp_ordered): Rename from expand_omp_ordered.
15589 (lower_omp_critical): Rename from expand_omp_critical.
15590 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15591 (lower_omp_for): Re-implement.
15592 (lower_omp_parallel): Re-implement.
15593 (lower_regimplify): Rename from expand_regimplify.
15594 (lower_omp_1): Rename from expand_omp_1.
15595 If there are syntax errors in the program, replace every
15596 OpenMP directive with NOP.
15597 Call lower_omp_* instead of expand_omp_*.
15598 (lower_omp): Rename from expand_omp.
15600 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15601 * tree-gimple.h (enum omp_parallel_type): Remove.
15602 (gimple_boolify): Declare extern.
15603 (find_omp_clause, determine_parallel_type): Remove.
15605 * gimple-low.c (lower_omp_directive): New.
15606 (lower_stmt): Call it.
15607 (record_vars_into): Move from ...
15608 (record_vars): ... here.
15609 Call record_vars_into with current_function_decl.
15611 * gimplify.c (struct gimplify_ctx): Remove fields
15612 combined_pre_p and combined_ctxp. Update users.
15613 (get_formal_tmp_var): Add documentation.
15614 (gimple_boolify): Make extern.
15615 (gimplify_expr_in_ctx): Remove. Update callers.
15616 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15617 will always be a BIND_EXPR.
15618 (gimplify_expr): Handle OMP_RETURN_EXPR.
15619 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15620 (OMP_PARALLEL): Add 3 operands.
15621 (OMP_SECTIONS): Add 1 operand.
15622 (OMP_RETURN_EXPR): Define.
15624 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15625 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15626 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15627 creating a circular free list.
15628 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15630 * tree-flow.h (move_sese_region_to_fn): Declare.
15631 (record_vars_into): Declare.
15632 * tree-cfg.c (make_omp_sections_edges): New.
15633 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15634 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15635 OMP_SECTIONS and OMP_SECTION.
15636 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15637 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15638 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15639 (gather_blocks_in_sese_region): New.
15640 (struct move_stmt_d): Declare.
15641 (move_stmt_r): New.
15642 (move_block_to_fn): New.
15643 (move_sese_region_to_fn): New.
15645 * passes.c (init_optimization_passes): Schedule
15646 pass_expand_omp after pass_init_datastructures.
15648 * tree-ssa-operands.c (get_expr_operands): Handle
15649 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15650 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15652 2006-01-19 Jeff Law <law@redhat.com>
15654 * tree-vrp.c (extract_range_from_assert): Refine the result range
15655 if the variable referenced by the ASSERT_EXPR has a range and
15656 either the tentative result range or the previous range is a
15659 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15661 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15663 2006-01-19 Jan Hubicka <jh@suse.cz>
15665 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15667 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15669 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15670 (expand_compound_operation, expand_field_assignment): Fail if the
15671 bit lengths of an extract operation are out of range.
15672 (make_extraction): Compute wanted_inner_mode based on the position
15673 and length of the extraction. Make it extraction_mode for non-constant
15674 positions, and do not modify offset in that case. When generating a
15675 new MEM, use a mode that can hold the extraction while keeping correct
15676 alignment. Remove code that supported MEMs wrapped by USEs.
15677 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15679 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15681 * config/s390/s390.md ("Y", "y"): New mode attribute.
15682 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15683 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15684 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15685 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15686 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15687 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15688 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15689 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15690 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15691 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15692 "addsi3", "subsi3"): Insn patterns removed.
15693 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15694 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15695 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15696 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15697 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15698 "*sub<mode>3_cconly2"): New insn patterns.
15699 ("addsi3", "subsi3"): New expanders.
15701 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15703 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15704 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15705 existing STMT_VINFO_VECTYPE if available.
15706 (vect_mark_relevant): Add special handling for stmts that are
15707 marked as STMT_VINFO_IN_PATTERN_P.
15708 (vect_analyze_loop): Call vect_pattern_recog.
15709 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15710 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15712 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15713 (vect_recog_func_ptr): New function-pointer type.
15714 * tree-vect-patterns.c: New file.
15715 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15716 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15717 (vect_pattern_recog_1): New functions.
15718 (vect_pattern_recog_funcs): New array of function pointers.
15720 * tree-vectorizer.h (ternary_op): New enum value.
15721 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15722 declaration. Revised documentation. Removed redundant dump prints.
15723 Removed redundant argument. Added support for reduction patterns.
15724 (vectorizable_reduction): Added support for reduction patterns.
15725 (vect_transform_stmt): Added support for patterns.
15727 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15728 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15729 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15730 (expand_widen_pattern_expr): New function.
15731 (init_optabs): Initialize new optabs udot_prod_optab,
15733 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15734 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15735 (expand_widen_pattern_expr): New function declaration.
15736 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15738 * tree-inline.c (estimate_num_insns_1): Added cases for new
15739 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15740 * tree-pretty-print.c (dump_generic_node): Likewise.
15741 (op_prio): Likewise.
15742 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15743 * tree-ssa-operands.c (get_expr_operands): Added case for
15745 * tree-vect-patterns.c (widened_name_p): New function.
15746 (vect_recog_dot_prod_pattern): Added function implementation.
15747 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15748 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15749 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15750 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15752 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15753 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15754 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15755 (init_optabs): Initialize new optabs widen_ssum_optab,
15757 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15758 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15759 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15760 use instead of type of def.
15761 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15762 function implementation.
15763 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15764 widen_ssumv8hi): New.
15766 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15769 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15772 * c-decl.c (add_flexible_array_elts_to_size): New function.
15773 (finish_decl): Use it.
15775 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15777 * diagnostic.h: Include options.h.
15778 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15779 dependancies for diagnostic.h.
15780 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15782 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15784 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15785 (ssa_ro_call_cache_valid): Ditto.
15786 * tree-ssa-alias.c (sort_tags_by_id): New function.
15787 (init_transitive_clobber_worklist): Ditto.
15788 (add_to_worklist): Ditto.
15789 (mark_aliases_call_clobbered): Ditto.
15790 (compute_tag_properties): Ditto.
15791 (set_initial_properties): Ditto.
15792 (compute_call_clobbered): Ditto.
15793 (compute_may_aliases): Call compute_call_clobbered and grouping.
15794 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15795 (compute_flow_insensitive_aliasing): Grouping now happens in our
15797 (setup_pointers_and_addressables): Remove clobbering related code.
15798 (add_may_alias): Ditto.
15799 (replace_may_alias): Ditto.
15800 (get_nmt_for): Ditto.
15801 (create_global_var):
15802 (is_escape_site): Return an escape_type enumeration.
15803 * tree-flow-inline.h (is_call_clobbered): Global var does not
15804 imply call clobbered.
15805 (mark_call_clobbered): Take a reason for marking this. Remove
15806 marking of globalness, and cache invalidation.
15807 (clear_call_clobbered): Remove cache invalidation code.
15808 * tree-dfa.c (dump_variable): If details is on, dump the reason
15810 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15812 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15813 (struct var_ann_d): Ditto.
15814 (enum escape_type): New.
15815 (mark_call_clobbered): Adjust prototype.
15816 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15817 are never call clobbered.
15818 Record reasons for escaping.
15819 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15820 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15821 (ssa_ro_call_cache_valid): Ditto.
15822 (clobbered_v_may_defs): Ditto.
15823 (clobbered_vuses): Ditto.
15824 (ro_call_vuses): Ditto.
15825 (clobber_stats): New.
15826 (init_ssa_operands): Zero out clobber stats.
15827 (fini_ssa_operands): Print out clobber stats.
15828 (get_call_expr_operands): Pass callee fndecl to
15829 add_call_read_ops).
15830 (add_call_clobber_ops): Remove use of cache.
15831 Add use of PURE_CONST information.
15832 (add_call_read_ops): Remove use of cache.
15833 Add use of static not_read information.
15835 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15837 Introduce TLS descriptors for i386 and x86_64.
15838 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15839 (TARGET_ANY_GNU_TLS): New macro.
15840 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15841 (struct machine_function): Add tls_descriptor_call_expanded_p.
15842 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15843 (ix86_current_function_calls_tls_descriptor): Likewise.
15844 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15845 (override_options): Introduce gnu2 tls dialect.
15846 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15848 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15850 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15851 (ix86_init_machine_status): Initialize new field.
15852 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15853 (ix86_tls_module_base): New.
15854 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15855 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15856 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15857 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15858 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15859 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15860 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15861 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15862 * config/i386/predicates.md (tls_modbase_operand): New.
15863 (tp_or_register_operand): New.
15865 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15867 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15868 (look_for_address_of): Ditto.
15869 (ipa_init): Walk the function decls.
15870 (static_execute): Don't set readonly on FUNCTION_DECL's.
15872 2006-01-18 Roger Sayle <roger@eyesopen.com>
15874 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15875 for shifts where the source and destination registers are different.
15877 2006-01-18 Paul Brook <paul@codesourcery.com>
15879 Merge from csl-arm-branch.
15880 2005-03-14 Julian Brown <julian@codesourcery.com>
15881 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15882 (aeabi_llsl): Likewise.
15883 (ashrdi3): Likewise.
15884 (aeabi_lasr): Likewise.
15885 (lshrdi3): Likewise.
15886 (aeabi_llsr): Likewise.
15887 2005-03-10 Julian Brown <julian@codesourcery.com>
15888 * config.gcc: Disable shared libgcc for SymbianOS.
15889 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15891 2006-01-18 DJ Delorie <dj@redhat.com>
15893 * c-pragma.c (handle_pragma_diagnostic): New.
15894 (init_pragma): Register it.
15895 * doc/extend.texi: Document it.
15897 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15898 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15899 (diagnostic_context): Add classify_diagnostic[].
15900 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15901 as errors if they're overridden to DK_WARNING.
15902 (diagnostic_initialize): Initialize classify_diagnostic[].
15903 (diagnostic_set_kind_override): New.
15904 (diagnostic_report_diagnostic): Check for kind changes.
15905 * opts.c (common_handle_option): Take lang_mask. Update callers.
15906 Handle OPT_Werror_.
15907 * common.opt (Werror=): New.
15908 * doc/invoke.texi: Document -Werror=*
15910 2006-01-18 Jeff Law <law@redhat.com>
15912 * tree-vrp.c (test_for_singularity): Correct test for new
15913 min limit. Use operand_equal_p rather than pointer equality
15914 for testing if new min/max values are equal.
15916 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15917 using range information until after propagation and folding.
15919 2006-01-18 Richard Henderson <rth@redhat.com>
15920 Aldy Hernandez <aldyh@redhat.com>
15921 Jakub Jelinek <jakub@redhat.com>
15922 Diego Novillo <dnovillo@redhat.com>
15924 * omp-low.c: New file.
15925 * c-omp.c: New file.
15927 2006-01-18 Richard Henderson <rth@redhat.com>
15928 Jakub Jelinek <jakub@redhat.com>
15929 Diego Novillo <dnovillo@redhat.com>
15931 * doc/invoke.texi: Document -fopenmp.
15932 * tree-dump.h (debug_function): Declare.
15933 * hooks.c (hook_bool_tree_bool_false): New function.
15934 (hook_tree_tree_null): Remove.
15935 (hook_tree_tree_tree_null): New.
15936 * hooks.h: Update to match.
15937 * tree-pretty-print.c (debug_tree_chain): New.
15938 (print_generic_expr): Handle TDF_CHAIN.
15939 (dump_generic_node): Handle BLOCK.
15940 Do not abort with incomplete SWITCH_EXPRs.
15941 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15942 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15943 print space after directive name.
15944 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15945 Handle OMP_MASTER and OMP_ORDERED.
15946 Handle printing of OMP_BODY just in one place, goto
15947 dump_omp_body in the rest of OMP_* nodes that have
15949 Don't handle clause nodes here. Update omp statements to
15950 use dump_omp_clauses.
15951 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15952 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15953 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15954 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15955 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15956 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15957 Adjust output for GOMP_PARALLEL.
15958 (dump_omp_clauses): New.
15959 (print_declaration): Dump DECL_VALUE_EXPR.
15960 (op_symbol_1): Split out of op_symbol.
15961 (dumping_stmts): Remove. Update all users.
15962 * cgraph.c (cgraph_analyze_queue): New.
15963 (cgraph_add_new_function): New.
15964 * cgraph.h (cgraph_analyze_queue): Declare.
15965 (cgraph_add_new_function): Declare.
15966 (cgraph_lower_function): Remove.
15967 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15968 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15969 and TYPE_P nodes in its default clause.
15970 (empty_body_p): New.
15971 (tree_range_check_failed): New.
15972 (build5_stat): New.
15973 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15974 OMP_CLAUSE_REDUCTION_MERGE,
15975 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15976 OMP_CLAUSE_PRIVATE_DEBUG,
15977 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15978 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15979 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15980 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15981 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15982 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15983 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15984 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15985 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15986 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15987 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15988 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15989 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15990 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15991 (TREE_RANGE_CHECK): New.
15992 (empty_body_p): Declare.
15993 (enum omp_clause_default_kind): New.
15994 (build_string_literal): Declare.
15995 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15996 (build5_stat, build5): Declare.
15997 * tree-pass.h (TDF_CHAIN): Define.
15998 * tree-pass.h (PROP_gimple_lomp): Define.
15999 (pass_lower_omp): Declare.
16000 * diagnostic.h (debug_tree_chain): Declare.
16001 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16003 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16004 * builtins.c (build_string_literal): Make extern.
16005 * gcc.c (include_spec_function): New.
16006 (static_spec_functions): Add it.
16007 (main): Move load of libgomp.spec ...
16008 (LINK_COMMAND_SPEC): ... here.
16009 (link_gomp_spec): New.
16010 (static_specs): Include it.
16011 (LINK_COMMAND_SPEC): Add link_gomp.
16012 (GOMP_SELF_SPECS): New.
16013 (driver_self_specs): Include it.
16014 (switch_matches): Don't mark inline.
16015 (main): Load libgomp.spec.
16016 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16017 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16018 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16019 * tree-gimple.h (enum omp_parallel): Declare.
16020 (determine_parallel_type): Declare.
16021 (omp_firstprivatize_variable): Declare.
16022 (omp_reduction_init): Declare.
16023 (diagnose_omp_structured_block_errors): Declare.
16024 (struct walk_stmt_info): Add want_return_expr.
16025 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16026 (find_omp_clause): Declare.
16027 (insert_field_into_struct): Declare.
16028 (struct walk_stmt_info): Move from tree-nested.c
16029 (walk_stmts): Declare.
16030 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16032 * cgraphunit.c (cgraph_lower_function): Make static.
16033 (cgraph_finalize_pending_functions): New.
16034 (cgraph_finalize_function): Call it.
16035 (cgraph_finalize_compilation_unit): Likewise.
16036 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16037 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16038 (BT_FN_UINT_UINT): New.
16039 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16040 DEF_FUNCTION_TYPE_VAR_4): Document.
16041 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16042 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16043 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16044 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16045 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16046 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16047 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16048 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16049 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16050 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16051 into separate files.
16052 (DEF_GOMP_BUILTIN): New.
16053 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16054 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16055 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16056 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16057 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16058 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16059 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16060 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16061 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16062 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16063 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16064 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16065 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16066 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16067 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16068 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16069 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16070 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16071 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16072 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16073 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16074 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16075 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16076 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16077 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16078 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16079 * sync-builtins.def: New file, moved from builtins.def.
16080 * omp-builtins.def: New file, moved from builtins.def.
16081 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16082 * gimple-low.c (lower_function_body): Clear data.
16083 (lower_stmt): Do not handle COMPOUND_EXPR.
16084 Remove call to print_node_brief.
16085 * c-tree.h (c_finish_omp_clauses): New prototype.
16086 (C_DECL_THREADPRIVATE_P): Define.
16087 (lookup_name_no_remap, c_omp_remap_private): Remove
16088 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16089 (check_for_loop_decls): Update decl.
16090 (lookup_name_no_remap, c_omp_remap_private): Declare.
16091 (build_indirect_ref, build_modify_expr, pushdecl,
16092 pushdecl_top_level): Move to c-common.h.
16093 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16094 before the switch, but just in the 2 places that need it.
16095 * c-decl.c (diagnose_mismatched_decls): Do not check for
16096 mismatched thread-local attributes when OLDDECL is marked
16097 threadprivate and NEWDECL has no thread-local attributes.
16098 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16099 (c_gimple_diagnostics_recursively): Rename from
16100 c_warn_unused_result_recursively. Invoke
16101 diagnose_omp_structured_block_errors.
16102 (check_for_loop_decls): Return a singular decl found.
16103 * langhooks.c (lhd_omp_predetermined_sharing): Return
16104 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16105 (lhd_omp_firstprivatize_type_sizes): New.
16106 (lhd_omp_assignment): New.
16107 (lhd_omp_predetermined_sharing): New.
16108 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16109 (struct lang_hooks_for_types): Add
16110 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16111 omp_predetermined_sharing, omp_disregard_value_expr,
16112 omp_private_debug_clause, omp_clause_default_ctor,
16113 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16114 (c_finish_omp_clauses): New.
16115 (c_finish_bc_stmt): Diagnose break within omp for.
16116 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16117 (build_unary_op): Return error_mark after reporting
16119 (build_modify_expr): Likewise.
16120 * gimplify.c: Include optabs.h and pointer-set.h.
16121 (enum gimplify_omp_var_data): Declare.
16122 (struct gimplify_omp_ctx): Declare.
16123 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16125 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16126 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16127 (splay_tree_compare_decl_uid): New.
16128 (new_omp_context): New.
16129 (delete_omp_context): New.
16130 (gimple_add_tmp_var): Call omp_add_variable.
16131 (gimplify_bind_expr): Likewise.
16132 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16133 true, disregard DECL_VALUE_EXPR on the decl if any.
16134 (gimplify_expr_in_ctx): New.
16135 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16136 omp_add_variable, omp_notice_variable, omp_is_private
16137 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16138 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16139 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16140 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16141 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16142 gimplify_omp_atomic): New.
16143 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16144 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16145 OMP_CRITICAL and OMP_ATOMIC.
16146 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16147 * c-pragma.h (enum pragma_kind): Add
16148 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16149 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16150 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16151 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16152 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16153 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16154 PRAGMA_OMP_THREADPRIVATE.
16155 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16156 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16157 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16158 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16159 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16160 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16161 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16162 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16163 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16164 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16165 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16166 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16167 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16169 (struct nesting_info): Add field_map,
16170 suppress_expansion, debug_var_chain.
16171 (create_nesting_tree): Initialize them.
16172 (lookup_field_for_decl): Use field_map.
16173 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16174 (convert_local_omp_clauses): New.
16175 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16176 (walk_body): Split out of walk_function.
16177 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16178 (convert_nonlocal_reference): Handle omp statements.
16179 (convert_local_reference): Likewise.
16180 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16181 (unnest_nesting_tree): New.
16182 (lower_nested_functions): Call it.
16183 (insert_field_into_struct): Make extern.
16184 (struct walk_stmt_info): Move to tree-gimple.h.
16185 (walk_stmts): Make extern.
16186 * omp-builtins.def: New file.
16187 * tree-iterator.c (expr_only): Clarify comment.
16188 * c-common.h (pushdecl_top_level, pushdecl,
16189 build_modify_expr, build_indirect_ref,
16190 c_finish_omp_master, c_finish_omp_critical,
16191 c_finish_omp_ordered, c_finish_omp_barrier,
16192 c_finish_omp_atomic, c_finish_omp_flush,
16193 c_finish_omp_for, c_split_parallel_clauses,
16194 omp_clause_default_kind, c_omp_sharing_predetermined,
16195 c_omp_remap_decl): Declare.
16196 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16197 (OBJS-common): Add omp-low.o.
16198 (c-omp.o, omp-low.o): Add.
16199 (gimplify.o): Add dependency on $(OPTABS_H).
16200 (GTFILES): Add omp-low.c.
16201 (gt-stringpool.h): Add.
16202 * tree-cfg.c (set_bb_for_stmt): Do not update the
16203 block-to-labels map if we are currently expanding to RTL.
16204 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16206 Handle IDENTIFIER_NODE.
16207 (tree_verify_flow_info): Do not ICE when emitting error
16208 messages about invalid labels.
16209 (dump_function_to_file): Reset CFUN before emitting the body
16211 (debug_function): New.
16212 * passes.c (init_optimization_passes): Schedule
16214 * langhooks-def.h (lhd_omp_predetermined_sharing,
16215 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16217 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16218 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16219 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16220 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16221 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16222 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16223 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16224 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16225 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16226 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16227 (LANG_HOOK_DECLS): Use them.
16229 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16230 Richard Henderson <rth@redhat.com>
16231 Jakub Jelinek <jakub@redhat.com>
16232 Diego Novillo <dnovillo@redhat.com>
16234 * c-parser.c (pragma_omp_clause): Define.
16235 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16236 (c_parser_compound_statement): Likewise.
16237 (c_parser_statement): Likewise.
16238 (c_parser_pragma): Handle omp pragmas.
16239 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16240 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16241 (c_parser_omp_clause_name, check_no_duplicate_clause,
16242 c_parser_omp_variable_list,
16243 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16244 c_parser_omp_clause_copyprivate,
16245 c_parser_omp_clause_default,
16246 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16247 c_parser_omp_clause_lastprivate,
16248 c_parser_omp_clause_nowait,
16249 c_parser_omp_clause_num_threads,
16250 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16251 c_parser_omp_clause_reduction,
16252 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16253 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16254 c_parser_omp_atomic, c_parser_omp_barrier,
16255 c_parser_omp_critical, c_parser_omp_flush,
16256 c_parser_omp_for_loop, c_parser_omp_for,
16257 c_parser_omp_master, c_parser_omp_ordered,
16258 c_parser_omp_sections_scope, c_parser_omp_sections,
16259 c_parser_omp_parallel, c_parser_omp_single,
16260 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16261 * c-pragma.c (init_pragma): Do omp pragma registration here.
16262 * c.opt (fopenmp): New flag.
16264 2006-01-18 Eric Christopher <echristo@apple.com>
16266 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16267 * config/darwin.h (GOMP_SELF_SPECS): Define.
16269 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16271 * rtl.h: Remove the prototype for reg_alloc.
16273 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16276 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16277 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16278 sjlj and dwarf2 exception handling.
16279 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16280 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16281 * pa/pa.c (function_value): Treat complex and vector types as
16283 (function_arg): Likewise. Only pass scalar floats in the floating
16284 point argument registers.
16285 * pa/t-slibgcc-dwarf-ver: New file.
16286 * pa/t-slibgcc-sjlj-ver: New file.
16287 * pa/t-slibgcc-elf-ver: Delete file.
16289 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16291 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16292 unlikely_test_section_p test.
16294 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16296 * mode-switching.c (optimize_mode_switching): Make it static.
16297 * basic-block.h: Remove the prototype for
16298 optimize_mode_switching.
16300 * modulo-sched.c (sms_schedule): Make it static.
16301 * rtl.h: Remove the prototype for sms_schedule.
16303 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16304 * rtl.h: Remove the prototype for gcse_after_reload_main.
16306 * reg-stack.c (reg_to_stack): Make it static.
16307 * rtl.h: Remove the prototype for reg_to_stack.
16309 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16311 * rtl.h: Remove the prototypes for regrename_optimize and
16312 copyprop_hardreg_forward.
16314 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16316 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16317 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16318 Test against the appropriate null constant for the mode.
16319 If 'fixup_overlap' is true, swap the operands if they overlap.
16320 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16321 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16322 alpha_split_tmode_pair and adjust for above change.
16323 * config/alpha/alpha.md (movtf_internal): Adjust call to
16324 alpha_split_tfmode_pair and rely on it to swap the operands.
16325 (movti_internal): New insn and post-reload splitter.
16326 (movti): New expander.
16328 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16330 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16333 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16335 * rtlanal.c (global_reg_mentioned_p_1,
16336 global_reg_mentioned_p): Remove.
16337 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16339 * flow.c (initialize_uninitialized_subregs): Make it static.
16340 * rtl.h: Remove the prototype for
16341 initialize_uninitialized_subregs.
16343 * function.c (instantiate_virtual_regs): Make it static.
16344 * function.h: Remove the prototype for
16345 instantiate_virtual_regs.
16347 * regmove.c (regmove_optimize, combine_stack_adjustments):
16349 * rtl.h: Remove the prototypes for regmove_optimize and
16350 combine_stack_adjustments.
16352 2006-01-17 Roger Sayle <roger@eyesopen.com>
16354 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16355 (size_cost): Encode costs in bytes so that a reg-reg addition is
16356 equivalent to COSTS_N_INSNS(1).
16357 (override_options): Use the size_cost.branch_cost as the default
16358 ix86_branch_cost when optimizing for size.
16360 2006-01-18 Ben Elliston <bje@au.ibm.com>
16362 * Makefile.in (D32PBIT_FUNCS): New.
16363 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16364 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16365 D64PBIT_FUNCS and D128PBIT_FUNCS.
16366 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16367 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16369 (decnumber_dep): Define.
16370 * doc/libgcc.texi (Decimal float library routines): New node.
16371 * config/dfp-bit.h, config/dfp-bit.c: New files.
16373 2006-01-18 Ben Elliston <bje@au.ibm.com>
16375 * expr.c (emit_move_change_mode): Always adjust addresses, not
16376 just during reload. Copy replacements only during reload.
16377 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16378 emit_move_via_integer.
16380 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16382 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16383 instead of $(srcdir) and ${srcdir}.
16385 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16388 PR middle-end/11135
16389 * arm.h (struct machine_function): Add pic_reg.
16390 * arm.c (arm_pic_register): Make unsigned.
16391 (arm_override_options): Only set arm_pic_register if
16392 TARGET_SINGLE_PIC_BASE.
16393 (use_return_insn): Only test for a pic register if it is fixed.
16394 (arm_compute_save_reg0_reg12_mask): Likewise.
16395 (thumb_compute_save_reg_mask): Likewise.
16396 (legitimate_pic_operand): Factor out some known invariants.
16397 (legitimize_pic_address): If we don't have a fixed pic register,
16398 then set up a pseudo in the function entry sequence. Handle the
16399 pic base being in a pseudo.
16400 (arm_load_pic_register): Handle the pic register being in a pseudo.
16401 (arm_expand_prologue): Only set up the pic register if it is fixed.
16402 (thumb_expand_prologue): Likewise.
16403 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16404 (pic_load_addr_based_insn): Likewise.
16405 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16408 2006-01-18 Ben Elliston <bje@au.ibm.com>
16410 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16411 decimal float modes for all floating point registers.
16413 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16414 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16416 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16419 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16420 even when the pointer is not NULL.
16422 2006-01-16 Ian Lance Taylor <ian@airs.com>
16424 * common.opt (ftoplevel-reorder): New option.
16425 * cgraph.c (cgraph_asm_nodes): New global variable.
16426 (cgraph_asm_last_node): New static variable.
16427 (cgraph_order): New global variable.
16428 (cgraph_create_node): Set new order field.
16429 (cgraph_varpool_node): Likewise.
16430 (decide_is_variable_needed): Return true if not
16431 flag_toplevel_reorder.
16432 (cgraph_add_asm_node): New function.
16433 * cgraph.h (struct cgraph_node): Add order field.
16434 (struct cgraph_varpool_node): Add order field.
16435 (struct cgraph_asm_node): Define.
16436 (cgraph_asm_nodes, cgraph_order): Declare.
16437 (cgraph_add_asm_node): Declare.
16438 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16440 (cgraph_varpool_assemble_pending_decls): Call it.
16441 (cgraph_output_pending_asms): New static function.
16442 (cgraph_finalize_compilation_unit): Call it.
16443 (struct cgraph_order_sort): Define.
16444 (cgraph_output_in_order): New static function.
16445 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16446 !flag_toplevel_reorder case.
16447 * c-parser.c: Include "cgraph.h".
16448 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16450 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16451 than -fno-unit-at-a-time.
16452 * doc/invoke.texi (Option Summary): Mention
16453 -fno-toplevel-reorder.
16454 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16455 -funit-at-a-time documentation.
16457 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16458 Kazu Hirata <kazu@codesourcery.com>
16460 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16462 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16464 * Makefile.in (FUNCTION_H): New. Use it instead of
16465 function.h throughout the file.
16466 * function.h: Include tree.h.
16468 2006-01-17 Ben Elliston <bje@au.ibm.com>
16470 * recog.c: Separate some functions with whitespace.
16472 2006-01-16 Richard Henderson <rth@redhat.com>
16474 Merge from gomp branch:
16475 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16476 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16477 and rename from struct inline_data. Rename callee* to dst*;
16478 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16479 transform_new_cfg, transform_return_to_modify, and
16480 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16482 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16483 (copy_decl_for_dup): Remove.
16484 * tree-inline.c (struct inline_data): Move to header.
16485 (insert_decl_map): Export.
16486 (remap_decl): Update for member name changes. Use copy_decl hook.
16487 Allow for replacement to be a non-decl. Remove dead code.
16488 (remap_type_1): Check for existing mapping.
16489 (remap_type): Export.
16490 (remap_decls): Update for member name changes.
16491 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16492 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16493 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16494 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16495 (tree_function_versioning, build_duplicate_type): Likewise.
16496 (copy_body_r): Likewise. Export.
16497 (copy_decl_for_dup): Split into ...
16498 (copy_decl_for_dup_finish, copy_decl_to_var,
16499 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16500 (replace_ref_tree, inlining_p): Remove.
16502 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16504 * ifcvt.c (if_convert): Make it static.
16505 * rtl.h: Remove the prototype for if_convert.
16507 * local-alloc.c (local_alloc): Make it static.
16508 * rtl.h: Remove the prototype for local_alloc.
16510 * loop.c (loop_optimize): Make it static.
16511 * cfgloop.h: Remove the prototype for loop_optimize.
16514 2006-01-16 DJ Delorie <dj@redhat.com>
16516 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16519 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16521 * pa.md: Disparage copies between general and floating-point registers
16522 in 32-bit move patterns.
16524 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16527 * Makefile.in (check-%): Depend on site.exp instead of
16528 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16531 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16533 * global.c (global_alloc): Make it static.
16534 * rtl.h: Remove the prototype for global_alloc.
16536 2006-01-16 Richard Guenther <rguenther@suse.de>
16538 * tree-ssa-alias.c (struct used_part): Add write_only field.
16539 (get_or_create_used_part_for): Initialize it to true.
16540 (create_overlap_variables_for): Don't create structure variables
16541 for structures that only are written to.
16542 (find_used_portions): Handle MODIFY_EXPR to track whether a
16543 structure is only written to.
16545 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16547 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16549 * basic-block.h: Remove the prototype for
16550 partition_hot_cold_basic_blocks.
16552 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16554 * cppspec.c (lang_specific_spec_functions): Remove.
16555 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16556 * gcc.h (lang_specific_spec_functions): Remove.
16557 * gccspec.c (lang_specific_spec_functions): Remove.
16559 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16561 * combine.c (record_value_for_reg): Invalidate registers
16563 (record_dead_and_set_regs_1): Likewise, by passing them to
16564 record_value_for_reg.
16565 (record_dead_and_set_regs): Invalidate stores made by a
16566 call. We do not combine across a call, but we still
16567 relied on equivalences.
16569 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16571 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16572 vrp_int_const_binop returning non-constant nodes.
16574 2006-01-16 Paul Brook <paul@codesourcery.com>
16576 * config/m68k/m68k.c (output_move_const_into_data_reg):
16577 Output correct mnemonic for mvz and mvs.
16579 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16581 * rtl-factoring.c: Add sequence abstraction algorithm.
16582 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16583 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16585 (block_has_preserve_label): New function.
16586 * common.opt: Register new pass.
16587 * Makefile.in: Ditto.
16589 * timevar.def: Ditto.
16590 * tree-pass.h: Ditto.
16591 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16592 * rtl.h (make_jump_insn_raw): Add forward decl.
16593 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16595 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16596 Roger Sayle <roger@eyesopen.com>
16598 * fold-const.c (fold_minmax): New static function.
16599 (fold_binary) <MIN_EXPR>: Call it.
16600 <MAX_EXPR>: Likewise.
16601 * stor-layout.c (place_field): Use DECL_SIZE consistently
16602 in the computation of the new record size.
16604 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16606 * cse.c (cse_condition_code_reg): Make it static.
16607 * rtl.h: Remove the prototype for cse_condition_code_reg.
16609 * combine.c (combine_instructions): Make it static.
16610 * rtl.h: Remove the prototype for combine_instructions.
16612 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16615 * tree.c (get_file_function_name_long): Concatenate the first global
16616 object name with a string derived from the input filename of the object
16619 2006-01-16 Ben Elliston <bje@au.ibm.com>
16621 * config/i386/winnt-stubs.c: Update FSF address.
16622 * config/xtensa/ieee754-df.S: Ditto.
16623 * config/xtensa/ieee754-sf.S: Ditto.
16625 2006-01-14 Ian Lance Taylor <ian@airs.com>
16627 * ifcvt.c (noce_init_if_info): New static function, broken out of
16628 noce_process_if_block.
16629 (noce_process_if_block): Call noce_init_if_info.
16630 (check_cond_move_block): New static function.
16631 (cond_move_process_if_block): New static function.
16632 (process_if_block): Call cond_move_process_if_block.
16634 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16636 * cselib.c (hash_table): Rename to cselib_hash_table.
16637 (cselib_clear_table, discard_useless_values,
16638 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16639 cselib_init, cselib_finish): Adjust uses of hash_table.
16641 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16643 PR tree-optimization/25485
16644 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16645 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16646 is known to be false and true, respectively.
16648 2006-01-14 Richard Guenther <rguenther@suse.de>
16650 PR tree-optimization/22548
16651 PR tree-optimization/22555
16652 PR tree-optimization/22501
16653 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16654 * params.def (salias-max-array-elements): New parameter.
16655 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16656 * doc/invoke.texi (salias-max-array-elements): Document.
16657 * tree-flow-inline.h (var_can_have_subvars): We also handle
16659 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16661 * tree-ssa-structalias.c (params.h): Include.
16662 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16663 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16664 (get_constraint_for): For ADDR_EXPR operating on something
16665 containing an ARRAY_REF, add all subvars to the solution.
16666 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16667 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16668 for creating MUST_DEFs.
16669 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16671 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16673 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16675 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16676 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16677 number_of_iterations_le): New functions.
16678 (number_of_iterations_special): Removed.
16679 (number_of_iterations_exit): Do not use number_of_iterations_special.
16680 * tree.c (unsigned_type_for): Always return integer type.
16682 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16683 Richard Guenther <rguenther@suse.de>
16685 PR rtl-optimization/24257
16686 * gcse.c (find_moveable_store): Only consider a store movable
16687 when the SET_SRC of the insn can be assigned to a register.
16689 2006-01-14 Ian Lance Taylor <ian@airs.com>
16691 * tree.c (tree_not_class_check_failed): New function.
16692 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16693 (tree_not_class_check_failed): Declare.
16695 2006-01-13 Ian Lance Taylor <ian@airs.com>
16697 * reload1.c (do_output_reload): Add assertion rejecting a
16700 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16702 * combine.c (struct reg_stat): Add new fields truncation_label and
16704 (record_value_for_reg): Reset truncated_to_mode.
16705 (record_truncated_value): New function.
16706 (check_promoted_subreg): Call it. Rename to check_conversions.
16707 (combine_instructions): Rename check_promoted_subreg to
16709 (reg_truncated_to_mode): New function.
16710 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16711 (gen_lowpart_or_truncate): New function.
16712 (force_to_mode): Use it instead of gen_lowpart.
16714 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16716 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16717 VAR is a tag, not its type tag.
16719 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16721 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16722 alternatives to match style of other entries.
16723 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16725 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16727 PR tree-optimization/25771
16728 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16731 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16734 * tree-inline.c (declare_return_variable): If the return variable
16735 was marked as a non gimple complex, set the return slot variable
16736 to be a non gimple comple variable.
16738 2006-01-13 Richard Guenther <rguenther@suse.de>
16740 * builtins.c (expand_builtin_sincos): New function.
16741 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16743 (expand_builtin): Expand sincos using expand_builtin_sincos.
16745 2006-01-12 DJ Delorie <dj@redhat.com>
16747 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16748 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16749 so that constant shifts can be split.
16750 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16751 (m32c_valid_pointer_mode): Make static.
16752 (shift_gen_func_for): New.
16753 (m32c_prepare_shift): Use it. Split large const shifts into
16755 * config/m32c/predicates.md (shiftcount_operand): Allow more
16757 (longshiftcount_operand): New.
16758 * doc/md.texi (Machine Constraints): Document In6.
16760 2006-01-13 Ben Elliston <bje@au.ibm.com>
16762 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16763 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16766 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16768 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16769 to try to avoid clobbering pieces of structures when we know
16770 something about the whole structure.
16771 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16773 2006-01-13 Ben Elliston <bje@au.ibm.com>
16775 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16776 return in memory, as this is no limitation is no longer present.
16778 2006-01-12 DJ Delorie <dj@redhat.com>
16780 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16781 mova with fb, and for fb+0 -> An.
16783 * config/m32c/mov.md (peephole2): Fix enabling logic.
16785 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16786 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16787 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16788 FINI_ARRAY_SECTION_ASM_OP): Define.
16790 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16792 (m32c_legitimize_reload_address): New logic to reload FB to An.
16793 (m32c_output_reg_push): Add newline.
16794 (m32c_output_reg_pop): Likewise.
16796 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16798 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16800 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16802 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16804 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16806 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16809 2006-01-11 Ben Elliston <bje@au.ibm.com>
16811 * rtlanal.c (find_reg_note): Assert insn is not null.
16813 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16815 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16818 2006-01-11 Jeff Law <law@redhat.com>
16820 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16822 (mark_threaded_blocks, register_jump_thread): New functions.
16823 (thread_through_all_blocks): Remove unwanted argument. No
16824 longer rely on e->aux to communicate thread target info.
16825 Call mark_threaded_blocks. Release the threaded_blocks
16826 bitmap and threaded_edges vector when complete.
16827 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16828 (threaded_blocks): Remove.
16829 (tree_ssa_dominator_optimize): Remove initialization and
16830 finalization of threaded_blocks. Simplify call to
16831 thread_through_all_blocks.
16832 (thread_across_edge): Call register_jump_thread rather than
16833 storing thread information into e->aux.
16834 (free_all_edge_infos): Simplify now that e->aux is no longer
16835 used to communicate with thread_through_all_blocks.
16836 * tree-flow.h (thread_through_all_blocks): Update prototype.
16837 (register_jump_thread): Prototype.
16839 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16841 * df-core.c (df_compact_blocks, df_bb_replace): Use
16842 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16844 2006-01-11 Richard Guenther <rguenther@suse.de>
16846 PR tree-optimization/25734
16847 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16848 stop propagation after successful propagation to the LHS.
16850 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16852 * basic-block.h (control_flow_graph): Change the type of
16853 x_basic_block_info to VEC(basic_block,gc) *.
16854 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16856 (SET_BASIC_BLOCK): New.
16857 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16858 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16859 * cfgbuild.c (find_basic_blocks): Likewise.
16860 * cfglayout.c (fixup_reorder_chain): Likewise.
16861 * cfgrtl.c (create_basic_block_structure,
16862 rtl_create_basic_block): Likewise.
16863 * ifcvt.c (find_if_case_1): Likewise.
16864 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16867 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16869 * Makefile.in: Removed rotted odf.c entry.
16871 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16874 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16875 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16876 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16877 output pattern modifier, not %e.
16878 * config/cris/cris.c (cris_op_str): Update comment about pattern
16880 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16881 before falling through into...
16882 <case 'E'>: Redefined from old 'e' case.
16884 2006-01-11 Jan Hubicka <jh@suse.cz>
16887 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16889 2006-01-11 Jan Hubicka <jh@suse.cz>
16891 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16892 * i386.c (x86_decompose_lea): Kill.
16893 (ix86_rtx_costs): Kill.
16895 2006-01-11 Jan Hubicka <jh@suse.cz>
16897 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16898 * cgraph.h (cgraph_node): Add inline_decl.
16899 (cgraph_insert_node_to_hashtable): Declare.
16900 (save_inline_function_body): Declare.
16901 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16903 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16904 (cgraph_function_versioning): Update call of tree_function_versioning.
16905 (save_inline_function_body): New function.
16906 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16907 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16908 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16909 (cgraph_default_inline_p): Likewise.
16910 (cgraph_decide_inlining_incrementally): Likewise.
16911 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16912 (copy_bb): Kill saving; do updating of clones.
16913 (copy_cfg_body): Kill saving.
16914 (initialize_inlined-parameters): Likewise.
16915 (expand_call_inline): Likewise.
16917 (tree_function_versioning): New parameter "update_clones".
16918 (inlining_p): Kill saving.
16919 * tree-inline.h (tree_function_versioning): Update prototype.
16920 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16923 2006-01-11 Ian Lance Taylor <ian@airs.com>
16925 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16926 Allow undoing set of machine mode.
16927 (do_SUBST): Use enums instead of is_int.
16928 (do_SUBST_MODE): New function.
16929 (SUBST_MODE): New macro.
16930 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16931 reg and trying to replace reg_regno_rtx with a new register.
16932 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16933 (simplify_set): Use SUBST_MODE.
16934 (distribute_notes): Remove code that tried to update reg notes
16935 for regno_reg_rtx changes.
16937 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16939 PR tree-optimization/23109
16940 PR tree-optimization/23948
16941 PR tree-optimization/24123
16943 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16944 * tree-cfg.c (single_noncomplex_succ): New.
16945 * tree-flow.h (single_noncomplex_succ): Declare it.
16946 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16947 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16948 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16949 insert_bb, register_division_in, insert_reciprocals,
16950 replace_reciprocal, free_bb): New.
16951 (execute_cse_reciprocals_1): Rewritten.
16952 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16953 Do not commit any edge insertion. Always compute dominators and
16954 create the allocation pool.
16955 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16956 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16957 * targhooks.c (default_min_divistions_for_recip_mul): New.
16958 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16959 * passes.c (init_optimization_passes): Run recip after tree loop
16961 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16963 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16964 Kenneth Zadeck <zadeck@naturalbridge.com>
16966 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16967 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16968 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16969 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16970 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16971 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16972 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16973 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16974 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16975 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16976 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16977 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16978 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16979 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16980 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16981 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16982 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16983 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16984 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16985 DF_SCAN_POST_ALLOC): New macros.
16986 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16987 df_free_bb_function, df_local_compute_function, df_init_function,
16988 df_dataflow_function, df_confluence_function_0,
16989 df_confluence_function_n, df_transfer_function,
16990 df_finalizer_function, df_free_function, df_dump_problem_function,
16991 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16992 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16993 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16994 df_urec_bb_info, ) New types.
16995 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16997 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16998 df_analyze_simple_change_some_blocks,
16999 df_analyze_simple_change_one_block, df_compact_blocks,
17000 df_bb_replace, df_bb_regno_last_use_find,
17001 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17002 df_insn_regno_def_p, df_find_def, df_find_use,
17003 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17004 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17005 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17006 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17007 debug_df_chain, df_get_dependent_problem, df_chain_create,
17008 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17009 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17010 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17011 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17012 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17013 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17014 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17015 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17016 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17017 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17018 df_reorganize_refs, df_set_state, df_hard_reg_init,
17019 df_read_modify_subreg_p) New public functions.
17020 * df-core.c: The core dataflow solver and glue routines for rtl
17022 (df_init, df_add_problem, df_set_blocks, df_finish,
17023 df_hybrid_search_forward, df_hybrid_search_backward,
17024 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17025 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17026 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17027 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17028 df_reg_defined, df_find_use, df_reg_used, df_dump,
17029 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17030 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17031 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17032 debug_df_useno, reset_df_after_reload): New functions.
17033 * df-scan.c: The scanning fuctions, once in df.c, completely
17034 rewritten so that they now fully model the functionality of
17035 register usage at the backend.
17036 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17037 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17038 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17039 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17040 df_get_artificial_defs, df_get_artificial_uses,
17041 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17042 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17043 df_refs_delete, df_reorganize_refs, df_set_state,
17044 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17045 df_def_record_1, df_defs_record, df_uses_record,
17046 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17047 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17048 df_record_exit_block_uses, df_hard_reg_init): New functions.
17050 * df-problems.c: Seven concrete dataflow problems that use the
17051 scanning in df-scan.c and are solved by the engine in df-core.c.
17052 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17053 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17054 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17055 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17056 df_ru_free_bb_info, df_ru_alloc,
17057 df_ru_bb_local_compute_process_def,
17058 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17059 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17060 df_ru_transfer_function, df_ru_free, df_ru_dump,
17061 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17062 df_rd_free_bb_info, df_rd_alloc,
17063 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17064 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17065 df_rd_transfer_function, df_rd_free, df_rd_dump,
17066 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17067 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17068 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17069 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17070 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17071 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17072 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17073 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17074 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17075 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17076 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17077 df_urec_mark_reg_use_for_earlyclobber,
17078 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17079 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17080 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17081 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17082 df_chain_create_bb_process_use, df_chain_create_bb,
17083 df_chain_finalize, df_chain_free, df_chains_dump,
17084 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17085 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17086 df_reg_lifetime): New functions.
17087 * df.c: Deleted file.
17088 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17089 consistent with new df api.
17090 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17091 rest_of_handle_sms): Ditto.
17092 * web.c (unionfind_union, union_defs, entry_register, web_main):
17094 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17095 invariant_expr_equal_p, find_defs, check_dependencies,
17096 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17097 free_inv_motion_data, move_loop_invariants): Ditto.
17098 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17099 Update dependencies.
17100 (odf.c): Added defective entry that was deleted later in day.
17101 * sched-deps.c (sched_analyze_1): Ditto.
17103 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17105 * tree-ssa-operands.c (get_expr_operands): Record addressable
17106 variables directly. Do not call add_stmt_operands for CONST_DECLs
17108 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17109 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17111 2006-01-11 Ben Elliston <bje@au.ibm.com>
17113 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17114 function returns true in the positive case.
17116 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17119 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17120 for SI, DI, SF and DF modes. Add alternatives to copy between
17121 general and floating point registers to the 32-bit patterns.
17122 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17123 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17124 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17125 generating 64-bit code.
17126 * config/pa/pa.c (output_move_double): Handle copies between general
17127 and floating registers.
17129 2006-01-10 Stuart Hastings <stuart@apple.com>
17131 * config/i386/i386.md (set_got): Update.
17132 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17133 (builtin_setjmp_receiver): Mach-O support.
17134 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17135 (GOT_SYMBOL_NAME): Define.
17136 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17137 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17138 * config/i386/i386.c (override_options): Revise for Darwin.
17139 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17140 support. (darwin_x86_file_end): New. (output_set_got): Add label
17141 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17142 * config/i386/i386-protos.h (output_set_got): Likewise.
17143 * config/darwin.c (machopic_legitimize_pic_address): Update
17146 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17148 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17149 when MODE isn't BLKmode.
17151 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17153 PR rtl-optimization/25367
17154 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17156 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17159 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17160 for a negative bound.
17162 2006-01-10 Richard Guenther <rguenther@suse.de>
17164 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17165 Never override with anything constraint.
17167 2006-01-10 Jan Beulich <jbeulich@novell.com>
17169 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17170 256 bits when optimize_size.
17172 2006-01-10 Jan Beulich <jbeulich@novell.com>
17174 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17176 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17177 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17180 2006-01-10 Ben Elliston <bje@au.ibm.com>
17182 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17184 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17185 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17186 (USE_FP_FOR_ARG): Reject decimal float modes.
17187 (function_arg_advance): Likewise.
17188 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17189 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17190 point types in AltiVec vectors.
17191 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17192 (rs6000_libcall_value): Likewise.
17194 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17196 * config/xtensa/ieee754-df.S: New file.
17197 * config/xtensa/ieee754-sf.S: New file.
17198 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17199 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17200 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17202 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17204 * config/sh/predicates.md (binary_float_operator,
17205 binary_logical_operator, commutative_float_operator,
17206 equality_comparison_operator, greater_comparison_operator,
17207 less_comparison_operator, logical_operator,
17208 noncommutative_float_operator, shift_operator,
17209 symbol_ref_operand, unary_float_operator): Remove redundant
17212 2006-01-09 Jeff Law <law@redhat.com>
17214 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17215 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17216 now unused arguments. Callers updated.
17217 (eliminate_redundant_computations): Remove now unused arguments,
17219 (local_fold): Remove, no longer used.
17220 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17222 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17223 (simplify_cond): New function.
17224 (forward_propagate_into_cond): Call simplify_cond.
17226 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17228 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17229 (*vec_extractv2di_1_sse): New.
17231 2006-01-09 Ben Elliston <bje@au.ibm.com>
17233 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17235 2006-01-08 Richard Guenther <rguenther@suse.de>
17237 * tree-ssa-structalias.c (get_constraint_for): Remove
17238 anyoffset argument.
17239 (get_constraint_for_component_ref): Likewise.
17240 (do_deref): Likewise.
17241 (get_constraint_for): Likewise.
17242 (do_structure_copy): Likewise.
17243 (handle_ptr_arith): Likewise.
17244 (find_func_aliases): Likewise. Remove unused need_anyoffset
17247 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17248 Kaz Kojima <kkojima@gcc.gnu.org>
17250 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17251 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17252 (EXTRA_CONSTRAINT_C16): Remove.
17253 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17254 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17255 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17256 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17257 constants of SHmedia. Handle nested constant expressions of
17259 (andcosts): Fix the costs for SHmedia constants.
17260 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17261 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17262 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17263 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17264 (movv4hi_i, movv2si_i): Likewise.
17265 (movsi_const): Adjust the second operand of ior so to match with
17266 the Csu constraint.
17267 (movdi_const, movdi_const_32bit): Likewise.
17268 (movdi_const_16bit+1): Don't sign-extend LOW.
17269 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17271 (*double_shori): Fix the split condition. Use GEN_INT instead
17272 of get_int_mode calls. Mask lower 16-bit of the argument of
17274 (sym2GOTPLT): Remove.
17275 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17277 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17278 instead of EXTRA_CONSTRAINT_C16.
17280 2006-01-07 Ian Lance Taylor <ian@airs.com>
17281 David Edelsohn <edelsohn@gnu.org>
17283 PR rtl-optimization/25662
17284 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17285 for constant operands instead of simplify_gen_binary.
17286 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17287 after trying simplify_binary_operation
17289 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17291 * tree.c (iterative_hash_expr): Hash decls based on UID.
17293 2006-01-06 Eric Christopher <echristo@apple.com>
17295 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17296 (TARGET_UNWIND_EMIT): Fix spelling.
17297 * target.h (gcc_target): Add except_table_label.
17298 * except.c (output_function_exception_table): Use.
17299 * varasm.c (default_emit_except_table_label): New.
17300 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17302 (asm_out): Add here.
17303 * output.h (default_emit_except_table_label): Prototype.
17304 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17305 * config/darwin.c (darwin_emit_except_table_label): Define.
17306 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17308 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17310 PR tree-optimization/18527
17311 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17312 number_of_iterations_special, number_of_iterations_exit):
17313 Move base and step of an iv to a single structure. Add
17314 no_overflow flag, and use it in # of iterations analysis.
17315 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17316 folded_casts argument.
17317 (simple_iv): Pass base and step in a structure. Set no_overflow
17319 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17320 Evaluate expensiveness of computing # of iterations instead of
17321 the final expression.
17322 * tree-scalar-evolution.h (affine_iv): New structure.
17323 (simple_iv): Declaration changed.
17324 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17325 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17326 find_givs_in_stmt): Changed due to simple_iv change.
17328 2006-01-06 Jeff Law <law@redhat.com>
17331 * tree-cfg.c (bsi_replace): Rename final argument from
17332 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17333 change (stmt -> orig_stmt).
17334 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17335 (bsi_remove): Add new argument. Remove EH information
17337 (verify_eh_throw_table_statements): New function.
17338 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17340 * tree-optimize.c (execute_free_cfg_annotations): Verify
17341 the EH throw statement table after removing annotations.
17342 * except.h (verify_eh_throw_table_statements): Prototype.
17343 * tree-flow.h (bsi_remove): Update prototype.
17344 * tree-vrp.c (remove_range_assertions): Add new argument to
17346 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17347 * tree-complex.c (expand_complex_div_wide): Likewise.
17348 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17349 * tree-tailcall.c (eliminate_tailcall): Likewise.
17350 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17351 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17352 * tree-nrv.c (tree_nrv): Likewise.
17353 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17354 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17355 (combine_blocks): Likewise.
17356 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17357 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17358 (cleanup_control_flow): Likewise.
17359 (remove_forwarder_block): Likewise.
17360 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17361 * tree-sra.c (sra_replace): Likewise.
17362 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17363 (forward_propagate_single_use_vars): Likewise.
17364 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17365 * tree-inline.c (expand_call_inline): Likewise.
17366 * tree-vect-transform.c (vect_transform_loop): Likewise.
17367 * tree-outof-ssa.c (rewrite_trees): Likewise.
17368 * tree-cfg.c (make_goto_expr_edges): Likewise.
17369 (cleanup_dead_labels): Likewise.
17370 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17371 (bsi_move_before, bsi_move_after): Likewise.
17372 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17373 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17375 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17378 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17380 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17381 on non gimple variables. Also add checks at the top for decls and
17383 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17385 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17386 and IMAGPART_EXPR for creating MUST_DEFs.
17387 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17388 and NAME_MEMORY_TAG separately from the DECLs.
17390 2006-01-06 Richard Guenther <rguenther@suse.de>
17392 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17393 annotation, if necessary.
17394 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17395 redundant calls to update_stmt.
17396 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17399 2006-01-05 Richard Henderson <rth@redhat.com>
17401 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17403 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17405 * c-typeck.c: Update copyright date.
17407 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17409 * c-typeck.c (build_c_cast): Always warn when casting
17410 from a pointer to an integer of different size, even if
17411 the node was constant.
17413 2006-01-05 Richard Guenther <rguenther@suse.de>
17415 PR tree-optimization/22555
17416 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17417 if one structure field is an array.
17418 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17419 operands even if we found a subvar, but ignore VOPs in this
17421 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17423 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17425 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17427 PR middle-end/24998
17428 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17430 2006-01-05 Richard Guenther <rguenther@suse.de>
17431 Diego Novillo <dnovillo@redhat.com>
17433 * tree-pass.h (TODO_remove_unused_locals): Define.
17434 * gimple-low.c (expand_var_p, remove_useless_vars,
17435 pass_remove_useless_vars): Remove. Update all users.
17436 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17437 (remove_unused_locals): New function.
17438 * tree-flow.h (remove_unused_locals): Declare.
17439 * passes.c (execute_todo): Call remove_unused_locals if
17440 TODO_remove_unused_locals is set.
17441 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17442 * tree-ssa-dce.c (pass_dce): Likewise.
17443 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17445 2006-01-05 Richard Guenther <rguenther@suse.de>
17447 * tree-flow.h (struct fieldoff): Decompose field to
17448 type, size and decl.
17449 * tree-ssa-alias.c (create_sft): Take type as parameter.
17450 (create_overlap_variables_for): Store type, size and decl
17451 in the fieldoff structure.
17452 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17453 of struct fieldoff.
17454 (push_fields_onto_fieldstack): Likewise.
17455 (create_variable_info_for): Likewise. Use offset for the
17456 SFT name if the decl is not available.
17458 2006-01-04 Paul Brook <paul@codesourcery.com>
17460 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17462 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17464 * lambda-code.c (can_put_in_inner_loop): Relax
17466 (can_put_after_inner_loop): New function.
17467 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17468 (perfect_nestify): Change to make copies and modify uses.
17470 2006-01-04 Richard Henderson <rth@redhat.com>
17472 Merge from gomp branch:
17473 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17474 via integer constant.
17475 (pragma_lex): Remove.
17476 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17477 rather than parsing it.
17478 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17479 handle_pragma_extern_prefix): Add %< %> quotes.
17480 (registered_pragmas): New.
17481 (c_register_pragma_1): New.
17482 (c_register_pragma): Use it.
17483 (c_register_pragma_with_expansion): Likewise.
17484 (c_invoke_pragma_handler): New.
17485 (init_pragma): Use cpp_register_deferred_pragma directly for
17487 * c-pragma.h (enum pragma_kind): New.
17488 (pragma_handler): New.
17489 (c_invoke_pragma_handler): Declare.
17490 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17492 * c-common.h (c_common_pch_pragma): Update decl.
17493 * Makefile.in (c-parser.o): Update dependencies.
17494 (GTFILES): Add c-pragma.h.
17495 * c-parser.c (struct c_token): Add pragma_kind.
17496 (struct c_parser): Add in_pragma.
17497 (c_lex_one_token): Always initialize keyword and pragma_kind.
17498 Extract data for CPP_PRAGMA.
17499 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17500 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17501 Don't allow CPP_PRAGMA_EOL if in_pragma.
17502 (c_parser_consume_pragma): New.
17503 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17504 (c_parser_skip_to_end_of_parameter): Likewise.
17505 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17506 (c_parser_skip_to_pragma_eol): New.
17507 (c_parser_external_declaration): Handle CPP_PRAGMA.
17508 (c_parser_compound_statement_nostart): Likewise.
17509 (c_parser_statement_after_labels): Likewise.
17510 (c_parser_pragma): New.
17511 (pragma_lex): Likewise.
17512 (c_parser_pragma_pch_preprocess): New.
17513 (c_parser_new): Merge into ...
17514 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17516 2006-01-04 Jeff Law <law@redhat.com>
17519 * tree-cfg.c (bsi_replace): Remove the original statement
17520 from the EH throw statement table.
17522 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17524 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17525 make the prototype extern "C" and add throw ().
17528 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17529 and pos non-negative and pos + len <= 32.
17530 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17531 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17532 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17535 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17536 as well as sizes not multiple of component size.
17539 * function.c (instantiate_expr): New function.
17540 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17541 walk its DECL_VALUE_EXPR with instantiate_expr.
17543 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17544 DW_OP_deref{,_size} if address isn't going to be added.
17546 2006-01-04 Ben Elliston <bje@au.ibm.com>
17548 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17549 * config/fp-bit.c: Likewise.
17551 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17553 * dominance.c: Add comment about why we use DFS numbering
17556 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17557 Richard Henderson <rth@redhat.com>
17559 Merge from gomp-branch:
17560 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17561 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17563 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17565 PR rtl-optimization/25578
17566 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17567 pass a parameter to simplify_shift_const if changing ASHIFTRT
17570 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17572 * builtins.c (get_builtin_sync_mem): New function.
17573 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17574 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17575 Call get_builtin_sync_mem to generate mem rtx.
17577 2006-01-03 Richard Guenther <rguenther@suse.de>
17580 * stmt.c (add_case_node): Make sure to clear overflow flags
17583 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17585 Merge from gomp-branch.
17586 * config/sparc/sync.md: New file.
17587 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17588 UNSPECV_LDSTUB): New constants.
17589 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17590 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17591 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17594 2006-01-03 Roger Sayle <roger@eyesopen.com>
17596 * combine.c (reg_subword_p): New predicate to test whether the
17597 destination of a set refers to a subword/piece of a register.
17598 (try_combine): Generalize the code to merge the setting of a
17599 pseudo to a constant followed by a set of a subword of that
17600 register to a constant.
17602 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17604 * basic-block.h (control_flow_graph): Change the type of
17605 x_label_to_block_map to VEC(basic_block,gc) *.
17606 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17607 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17609 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17610 VEC(basic_block,heap) *.
17611 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17612 ssa_prop_fini): Adjust the uses of cfg_blocks.
17614 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17616 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17618 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17619 hashing trees instead of a pointer hash.
17620 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17621 compare for MEM_EXPR.
17623 PR rtl-optimization/25130
17624 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17625 when comparing MEMs for GCSE
17627 2006-01-03 Ben Elliston <bje@au.ibm.com>
17629 * targhooks.h (default_decimal_float_supported_p): Declare.
17630 * targhooks.c (default_decimal_float_supported_p): Define.
17631 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17632 `default_decimal_float_supported_p'.
17633 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17635 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17637 * combine.c (apply_distributive_law <SUBREG>): Check
17638 TRULY_NOOP_TRUNCATION.
17640 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17642 * dwarf2out.c (have_switched_text_section): Delete.
17643 (have_multiple_function_sections): New.
17644 (have_location_lists): Make 'bool'.
17645 (add_AT_loc_list): Use 'true' not '1'.
17646 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17647 (output_loc_list): Use have_multiple_function_sections.
17648 (output_ranges): Likewise.
17649 (dwarf2out_begin_function): Set have_multiple_function_sections if
17651 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17652 Check function_section rather than DECL_SECTION_NAME.
17653 (dwarf2out_finish): Use have_multiple_function_sections.
17654 Don't clear have_location_lists.
17656 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17657 Jan Hubicka <jh@suse.cz>
17659 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17660 case of conditional jump jumping to the next instruction.
17661 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17662 cases of conditional jump jumping to the next instruction.
17664 2006-01-02 Jan Hubicka <jh@suse.cz>
17666 * i386.c (*_cost): Add COSTS_N_INSNS.
17667 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17669 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17672 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17674 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17676 * config/arm/arm.c (all_fpus): Fix comment typo.
17677 * config/darwin.c: Likewise.
17678 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17679 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17680 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17682 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17684 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17685 (rs6000_split_compare_and_swapqhi): New.
17686 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17687 (sync_compare_and_swapqhi_internal): New.
17688 * config/rs6000/rs6000-protos.h: Declare.