1 2006-11-06 Eric Christopher <echristo@apple.com>
3 * config.gcc: Add x86_64-darwin host support.
5 * config/i386/darwin64.h: New file.
6 * config/i386/t-darwin64: Ditto.
8 2006-11-06 Janis Johnson <janis187@us.ibm.com>
10 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
11 and output-exists-not.
13 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
16 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
17 checking for overflow.
19 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
21 * configure.ac: Fixed typo in case statement: :: changed to ;;
23 2006-11-06 Bob Wilson <bob.wilson@acm.org>
25 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
26 count_leading_zeros, and count_trailing_zeros.
27 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
28 (TARGET_FOLD_BUILTIN): Define.
29 (TARGET_EXPAND_BUILTIN): Define.
30 (xtensa_init_builtins): New.
31 (xtensa_fold_builtin): New.
32 (xtensa_expand_builtin): New.
33 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
34 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
35 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
36 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
37 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
38 (any_extend): New code macro.
39 (u, su): New code attributes.
40 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
41 (nsau): Remove; replaced by clzsi2.
43 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
44 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
45 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
46 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
47 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
49 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
51 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
53 * config/arm/t-strongarm-elf: Likewise.
54 * config/arm/t-pe: Likewise.
55 * config/arm/t-arm-elf: Likewise.
56 * config/arm/t-xscale-elf: Likewise.
57 * config/arm/t-arm-coff: Likewise.
58 * config/arm/t-xscale-coff: Likewise.
59 * config/arm/t-wince-pe: Likewise.
61 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
63 * config/sh/lib1funcs-4-300.asm: Guard entire file with
66 2006-11-05 Jakub Jelinek <jakub@redhat.com>
69 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
72 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
75 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
76 as a valid 80387 constant.
77 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
78 * config/i386/i386.md (unnamed splitter): Split the load of
79 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
82 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
84 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
85 from the soft-frame, argument and virtual registers.
87 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
89 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
90 patterns for standard 80387 constants.
92 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
93 Steven Bosscher <steven@gcc.gnu.org>
96 * Makefile.in: Add fwprop.o.
97 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
98 * passes.c (init_optimization_passes): Schedule forward propagation.
99 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
101 * timevar.def (TV_FWPROP): New.
102 * common.opt (-fforward-propagate): New.
103 * opts.c (decode_options): Enable forward propagation at -O2.
104 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
105 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
106 canon_for_address, table_size): Remove.
107 (new_basic_block, insert, remove_from_table): Remove references to
109 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
110 simplification loop more straightforward by not calling fold_rtx
112 (equiv_constant): Move here a small part of fold_rtx_subreg,
113 do not call fold_rtx. Call avoid_constant_pool_reference
115 * recog.h (canonicalize_change_group): New.
117 * doc/invoke.texi (Optimization Options): Document fwprop.
118 * doc/passes.texi (RTL passes): Document fwprop.
120 2006-11-03 Geoffrey Keating <geoffk@apple.com>
122 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
123 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
124 (grokdeclarator): Likewise.
126 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
128 * tree-dump.c (dump_enable_all): Rename local variable
129 ir_type to avoid name conflicts.
130 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
131 instead of using ir_type().
132 * profile.c (tree_register_profile_hooks): Likewise.
133 * value-prof.c (tree_register_value_prof_hooks): Likewise.
134 * basic-block.h (struct edge_def): Likewise.
135 * config/arm/arm.c (legitimize_pic_address): Likewise.
136 * coretypes.h (ir_type): New enum of all intermediate languages
138 * cfghooks.c (ir_type): Rename to...
139 (current_ir_type): ...this. Distinguish between cfgrtl and
140 cfglayout mode when the current IR is RTL. Return enum ir_type.
141 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
143 2006-11-03 Paul Brook <paul@codesourcery.com>
145 * config/arm/arm.c (arm_file_start): New function.
146 (TARGET_ASM_FILE_START): Define.
147 (arm_default_cpu): New variable.
148 (arm_override_options): Set arm_default_cpu.
150 2006-11-03 David Ung <davidu@mips.com>
152 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
153 PROCESSOR_24KC and PROCESSOR_24KF.
154 * config/mips/mips.c (mips_cpu_info_table): Add processor names
155 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
156 (mips_rtx_cost_data): Add costs for the 24kc.
157 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
158 * config/mips/24k.md: Remove references to 24k and replace with
159 uses of 24kc/24kf in the appropriate reservations.
160 * doc/invoke.texi (MIPS Options): Updated.
162 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
164 * config/sh/crt1.asm: Fix #ifdef indent.
166 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
167 Merged from STMicroelectronics sources:
168 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
169 * config/sh/crt1.asm (vbr_600): Add missing #if.
170 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
171 * sh.opt (mfused-madd): New option.
172 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
173 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
174 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
175 Remove pointless handler at VBR+0.
176 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
177 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
178 fr7. Make sure the timer handler is called with the correct FPU
179 precision setting, according to the ABI.
180 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
181 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
182 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
183 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
184 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
185 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
186 zero as second operand.
187 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
188 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
189 Fixed some bugs related to negative values, in particular -0
190 and overflow at -0x80000000.
191 * config/sh/divcost-analysis: Added sh4-300 figures.
192 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
193 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
194 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
195 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
196 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
197 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
199 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
201 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
202 SH4-300 scheduling description & fixes to SH4-[12]00 description:
203 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
204 mac_mem, mem_mac, dfp_mul, fp_cmp.
205 (insn_class, dfp_comp, any_fp_comp): Update.
206 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
207 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
208 (muldf3_i): Likewise.
209 (movsi_i): Split rI08 alternative into two separate alternatives.
211 (movsi_ie, movsi_i_lowpart): Likewise.
212 (movqi_i): Split ri alternative into two separate alternatives.
214 * sh1.md (sh1_load_store, sh1_fp): Update.
215 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
216 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
217 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
218 (sh4a_fp_double_arith): Likewise.
219 * sh4-300.md: New file.
220 * sh.c (sh_handle_option): Handle m4-300* options.
221 (sh_adjust_cost): Fix latency of auto-increments.
222 Handle SH4-300 differently than other SH4s. Check for new insn types.
223 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
224 been set by an option.
225 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
226 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
227 (mbranch-cost=): Likewise.
228 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
230 * sh.md (mulsf3): Remove special expansion code.
231 (mulsf3_ie): Now a define_insn_and_split.
232 (macsf3): Allow for TARGET_SH4.
234 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
235 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
236 (expand_cbranchdi4): Likewise.
237 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
238 CONST_DOUBLE if the outer code is COMPARE.
239 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
240 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
241 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
242 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
243 Remove redundant fp_{zero,one}_operand checks.
244 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
245 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
246 (expand_cbranchdi4): Likewise.
247 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
248 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
250 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
252 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
255 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
257 * doc/invoke.texi: Fix mfp-trap-mode typo.
259 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
261 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
262 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
263 file_end_indicate_exec_stack.
264 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
266 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
267 for a non-executable stack.
268 * crti.asm: Likewise.
269 * crtn.asm: Likewise.
270 * libunwind.S: Likewise.
272 2006-11-02 Ben Elliston <bje@au.ibm.com>
274 * tree-ssa.c (warn_uninit): Use expand_location variables for
275 locus and declaration locus.
277 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
280 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
281 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
282 cmp{eq,gt,gtu}{si,di}_media.
283 (*cmpne0si_media): Remove.
284 (*movsicc_umin): Adjust gen_cmp*_media call.
285 (unordered): Change the mode of unordered and operands[1] to
287 (seq): Adjust gen_cmp*_media calls. Make the mode of
288 a temporary result of compare SImode if needed. If the mode
289 of operands[0] is DImode, extend the temporary result to DImode.
290 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
291 (sunorderd): Change the mode of match_operand and unorderd to
293 (cmpeq{sf,df}_media): Remove.
294 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
295 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
296 and compare operation to SImode.
298 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
300 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
302 (sparc64-sun-solaris2*): Likewise.
304 2006-11-02 Paul Brook <paul@codesourcery.com>
306 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
307 from priority argument. Use different section for non-default
309 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
311 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
314 * except.c (switch_to_exception_section): Do not cache the section
315 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
316 and flag_function_sections is set.
318 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
321 * builtins.c (do_mpfr_sincos): New.
322 (fold_builtin_1): Use it to fold builtin sincos.
324 2006-11-01 Roger Sayle <roger@eyesopen.com>
326 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
327 it into -D_REENTRANT.
329 2006-11-01 Roger Sayle <roger@eyesopen.com>
331 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
332 whether the assembler supports taking the difference of symbols in
333 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
334 * configure: Regenerate.
335 * config.in: Regenerate.
336 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
337 the assembler doesn't support taking the difference of symbols in
338 different sections, i.e. we're using the native solaris assembler.
340 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
341 Peter Bergner <bergner@vnet.ibm.com>
343 * doc/invoke.texi: Add cpu_type power6x
344 (RS/6000 and PowerPC Options): Add -mmfpgpr.
345 * config.gcc: Add cpu_type power6x.
346 * configure.ac: Add test for mf{t,f}gpr instructions.
347 (HAVE_AS_MFPGPR): New.
348 * config.in: Regenerate.
349 * configure: Regenerate.
350 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
351 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
352 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
353 and mftgpr attributes.
354 (define_attr "cpu"): Add power6.
355 Change instruction sequences to use new attributes.
356 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
357 (fix_truncdfsi2_mfpgpr): New.
358 (floatsidf_ppc64_mfpgpr): New.
359 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
360 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
361 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
362 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
363 (fix_truncdfsi2): Use gpc_reg_operand constraint.
364 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
365 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
366 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
367 cntlz,exts and var_delayed_compare.
368 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
369 _ARCH_PWR6X, if features enabled.
370 * config/rs6000/rs6000.opt (mmfpgpr): New.
371 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
372 (cached_can_issue_more): New variable.
373 (processor_costs): Add power6_cost.
374 (rs6000_sched_init): New function.
375 (is_dispatch_slot_restricted): Deleted.
376 (set_to_load_agen): New function.
377 (is_load_insn,is_store_insn): New functions.
378 (adjacent_mem_locations): New function.
379 (insn_must_be_first_in_group): New function.
380 (insn_must_be_last_in_group): New function.
381 (rs6000_sched_reorder): New function.
382 (rs6000_sched_reorder2): New function.
383 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
384 TARGET_SCHED_REORDER2): Define.
385 (processor_target_table): Use PROCESSOR_POWER6 for power6.
386 Add power6x. Add MASK_MFPGPR for power6x.
387 (POWERPC_MASKS): Add MASK_MFPGPR.
388 (rs6000_override_options): Set rs6000_always_hint to false
389 for power6. Set rs6000_align_branch_targets. Replace
390 rs6000_sched_groups check with rs6000_align_branch_targets.
391 Use PROCESSOR_POWER6.
392 (last_scheduled_insn): New variable.
393 (load_store_pendulum): New variable.
394 (rs6000_variable_issue): Set last_scheduled_insn and
395 cached_can_issue_more.
396 (rs6000_adjust_cost): Add power6 cost adjustments.
397 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
398 with insn_must_be_first_in_group. Add power6 priority adjustments.
399 (rs6000_issue_rate): Add CPU_POWER6.
400 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
401 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
402 (TARGET_MFPGPR): New.
403 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
404 (ASM_CPU_SPEC): Add power6x.
405 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
407 * config/rs6000/power6.md: New file.
409 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
411 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
412 HOST_WIDE_INT_PRINT to print high and low parts. Use
413 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
414 printing a hexadecimal number prefix it with 0x.
416 2006-11-01 Chris Johns <chris@contemporary.net.au>
419 * Makefile.in (install-driver): Use exeext when installing
420 $target-gcc-$version.
422 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
424 * c-common.c (flag_cpp0x): New.
425 * c-common.h (flag_cpp0x): New.
426 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
427 supported, define __GXX_EXPERIMENTAL_CPP0X__.
428 * c-opts.c (set_std_cxx0x): New.
429 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
430 * c.opt (std=c++0x): Document.
431 (std=gnu++0x): Ditto.
432 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
433 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
435 2006-11-01 Richard Guenther <rguenther@suse.de>
437 * config/i386/i386.c (ix86_expand_rint): Fix issues with
439 (ix86_expand_floorceildf_32): Likewise.
440 (ix86_expand_floorceil): Likewise.
441 (ix86_expand_trunc): Likewise.
443 2006-10-31 Andrew Pinski <pinskia@gmail.com>
445 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
448 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
450 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
452 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
454 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
456 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
457 * configure.ac (use_cxa_atexit): As a special case, don't test
458 for libc definition of __cxa_atexit on mingw32
459 * configure: Regenerate.
460 * config.gcc (i[34567]86-pc-mingw32): Default to
461 enable__cxa_atexit=yes.
463 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
465 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
467 2006-10-31 Geoffrey Keating <geoffk@apple.com>
470 * c-decl.c (start_struct): Don't create self-containing
472 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
474 * config/rs6000/rs6000-protos.h
475 (darwin_rs6000_special_round_type_align): New.
476 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
477 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
479 2006-10-31 Geoffrey Keating <geoffk@apple.com>
481 * toplev.c (compile_file): Call final_write_globals
482 even if there have been errors.
484 2006-10-31 Eric Christopher <echristo@apple.com>
485 Falk Hueffner <falk@debian.org>
487 * doc/extend.texi (__builtin_bswap32): Document.
488 (__builtin_bswap64): Ditto.
489 * doc/libgcc.texi (bswapsi2): Document.
491 * doc/rtl.texi (bswap): Document.
492 * optabs.c (expand_unop): Don't widen a bswap.
493 (init_optabs): Init bswap. Set libfuncs explicitly
494 for bswapsi2 and bswapdi2.
495 * optabs.h (OTI_bswap): New.
496 (bswap_optab): Ditto.
497 * genopinit.c (optabs): Handle bswap_optab.
498 * tree.h (tree_index): Add TI_UINT32_TYPE and
500 (uint32_type_node): New.
501 (uint64_type_node): Ditto.
502 * tree.c (build_common_tree_nodes_2): Initialize
503 uint32_type_node and uint64_type_node.
504 * builtins.c (expand_builtin_bswap): New.
505 (expand_builtin): Call.
506 (fold_builtin_bswap): New.
507 (fold_builtin_1): Call.
508 * fold-const.c (tree_expr_nonnegative_p): Return true
510 * builtin-types.def (BT_UINT32): New.
512 (BT_FN_UINT32_UINT32): Ditto.
513 (BT_FN_UINT64_UINT64): Ditto.
514 * builtins.def (BUILT_IN_BSWAP32): New.
515 (BUILT_IN_BSWAP64): Ditto.
516 * rtl.def (BSWAP): New.
517 * genattrtab.c (check_attr_value): New.
518 * libgcc2.c (__bswapSI2): New.
520 * libgcc2.h (__bswapSI2): Declare.
522 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
523 * simplify-rtx.c (simplify_const_unary_operation): Return
525 * libgcc-std.ver (__bwapsi2): Add.
527 * reload1.c (eliminate_regs_1): Add bswap.
528 (elimination_effects): Ditto.
529 * config/i386/i386.h (x86_bswap): New.
531 * config/i386/i386.c (x86_bswap): Set.
533 2006-10-31 Geoffrey Keating <geoffk@apple.com>
535 * coverage.c (coverage_checksum_string): Update comment.
536 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
537 of get_file_function_name.
538 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
539 of get_file_function_name_long.
540 * tree.c (get_file_function_name): Rename from
541 get_file_function_name_long; improve comment; handle 'I' and 'D'
542 specially when the target has ctor/dtor support; remove special
544 (get_file_function_name): Remove.
545 * tree.h (get_file_function_name): Rename from
546 get_file_function_name_long.
547 (get_file_function_name): Remove prototype.
549 2006-10-31 Geoffrey Keating <geoffk@apple.com>
551 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
552 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
554 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
555 Call dsymutil when compiling and linking one or more source files
558 2006-10-31 Geoffrey Keating <geoffk@apple.com>
561 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
563 2006-10-31 Geoffrey Keating <geoffk@apple.com>
565 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
566 inline static functions in c99 mode.
569 * doc/extend.texi (Inline): Update.
570 * c-tree.h (struct language_function): Remove field 'extern_inline'.
571 * c-decl.c (current_extern_inline): Delete.
572 (pop_scope): Adjust test for an undefined nested function.
573 Add warning about undeclared inline function.
574 (diagnose_mismatched_decls): Update comments. Disallow overriding
575 of inline functions in a translation unit in C99. Allow inline
576 declarations in C99 at any time.
577 (merge_decls): Boolize variables. Handle C99 'extern inline'
579 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
580 C99 inline semantics.
581 (start_function): Don't clear current_extern_inline. Don't set
583 (c_push_function_context): Don't push current_extern_inline.
584 (c_pop_function_context): Don't restore current_extern_inline.
587 * c-typeck.c (build_external_ref): Warn about static variables
588 used in extern inline functions.
589 * c-decl.c (start_decl): Warn about static variables declared
590 in extern inline functions.
592 2006-10-31 Roger Sayle <roger@eyesopen.com>
595 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
596 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
597 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
598 or y is an even integer.
600 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
603 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
604 * gthr-posix95.h (__gthread_active_p): Likewise.
606 2006-10-31 Richard Guenther <rguenther@suse.de>
608 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
609 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
610 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
611 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
612 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
613 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
614 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
615 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
618 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
620 * opts.c (decode_options): Disable CSE skip blocks.
622 2006-10-30 Dirk Mueller <dmueller@suse.de>
624 * c-common.h (strict_aliasing_warning): Fix whitespace.
625 * c-decl (start_function): Move code for main decl warning ..
626 * c-common.c (check_main_parameter_types): .. here.
627 * c-common.h (check_main_parameter_types): Declare.
629 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
632 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
634 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
636 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
637 be a PARALLEL containing sets. Return false when out_pat is not
640 2006-10-30 Richard Sandiford <richard@codesourcery.com>
642 * config/mips/mips.md (mul<mode>3): Split into...
643 (mulsi3, muldi3): ...these separate patterns.
645 2006-10-30 Richard Sandiford <richard@codesourcery.com>
647 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
648 but with each set of options separated by spaces.
650 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
652 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
653 dwarf_reg_size_table has been initialized.
655 2006-10-30 Roger Sayle <roger@eyesopen.com>
657 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
658 * ddg.c (print_ddg_edge): Likewise.
659 * dwarf2out.c (prune_unused_types_walk): Likewise.
660 * ifcvt.c (noce_try_cmove_arith): Likewise.
661 * langhooks.c (add_builtin_function): Likewise.
662 * reg-stack.c (subst_stack_regs_pat): Likewise.
663 * tree.c (expanded_location): Likewise.
664 * tree-dump.c (dequeue_and_dump): Likewise.
666 2006-10-30 David Daney <ddaney@avtrex.com>
668 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
670 2006-10-30 Jakub Jelinek <jakub@redhat.com>
672 PR tree-optimization/29637
673 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
674 of the innertype is the innertype itself.
676 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
678 * dwarf2out.c (file_name_acquire): Correct typo.
680 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
682 * tree.h (tree_value_handle): Remove struct value_set declaration.
683 Change value_set to bitmap_set.
684 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
685 * tree-vn.c (get_value_handle): Made inline and moved to
687 * tree-flow-inline.h: (has_stmt_ann): New function.
688 * tree-ssa-pre.c (expressions): New variable.
689 (next_expression_id): Ditto.
690 (alloc_expression_id): New function.
691 (struct value_set): Remove.
692 (get_expression_id): New function.
693 (get_or_alloc_expression_id): Ditto.
694 (expression_for_id): Ditto.
695 (clear_expression_ids): Ditto.
696 (FOR_EACH_EXPR_ID_IN_SET): New macro.
697 (bb_value_sets): Renamed to bb_bitmap_sets.
698 All value sets replaced with bitmap_sets.
700 (BB_VISITED): New macro.
701 (postorder): New variable.
702 (add_to_value): Removed.
703 (value_exists_in_set_bitmap): Ditto.
704 (value_insert_into_set_bitmap): Ditto.
708 (set_contains_value): Ditto.
709 (insert_into_set): Ditto.
711 (find_leader): Ditto.
712 (bitmap_set_subtract_from_value_set): Ditto.
713 (value_insert_into_set): Ditto.
714 (print_value_set): Ditto.
715 (debug_value_set): Ditto.
716 (constant_expr_p): New function.
717 (bitmap_remove_from_set): Ditto.
718 (bitmap_insert_into_set): Ditto.
719 (bitmap_set_free): Ditto.
721 (sorted_array_from_bitmap_set): Ditto.
722 (bitmap_set_subtract): Ditto.
723 (bitmap_set_equal): Ditto.
724 (debug_bitmap_set): Ditto.
725 (find_leader_in_sets): Ditto.
726 (bitmap_set_replace_value): Modify for bitmapped sets.
727 (phi_translate): Ditto.
728 (phi_translate_set): Ditto.
729 (bitmap_find_leader): Ditto.
730 (valid_in_sets): Ditto.
731 (union_contains_value): Ditto.
733 (compute_antic_aux): Ditto. Mark changed blocks.
734 (compute_antic): Ditto. Iterate in postorder and only over
736 (compute_rvuse_and_antic_safe): Reuse postorder.
737 (create_component_ref_by_pieces): Modify for bitmapped sets.
738 (find_or_generate_expression): Ditto.
739 (create_expression_by_pieces): Ditto.
740 (insert_into_preds_of_block): Ditto.
741 (changed_blocks): New variable.
742 (do_regular_insertion): Broken out from insert_aux.
743 (insert_aux): Modified for bitmapped sets.
744 (find_existing_value_expr): New function.
745 (create_value_expr_from): Use it.
746 (insert_extra_phis): Removed.
747 (print_bitmap_set): Renamed from bitmap_print_value_set.
748 (compute_avail): Handle RETURN_EXPR.
749 (init_pre): Modify for bitmapped sets.
750 * tree-flow.h (has_stmt_ann): New function.
752 2006-10-29 Roger Sayle <roger@eyesopen.com>
754 * builtins.c (fold_builtin_floor): Check for the availability of
755 the C99 trunc function before transforming floor into trunc.
757 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
759 * builtins.c (fold_builtin_hypot): Rearrange recursive
760 transformation before others, and also do ABS_EXPR. When
761 necessary, check flag_unsafe_math_optimizations. When necessary,
764 2006-10-29 Roger Sayle <roger@eyesopen.com>
766 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
767 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
768 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
769 Fold -X eq/ne -Y as X eq/ne Y.
771 2006-10-29 Richard Sandiford <richard@codesourcery.com>
773 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
774 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
775 rather than GENERATE_MULT3_SI in the various define_peephole2s.
776 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
777 Use an inclusive test for "mult" rather than "mul".
778 (rotr<mode>3): Depend on ISA_HAS_ROR.
779 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
781 (GENERATE_MULT3_DI): Delete.
782 (ISA_HAS_64BIT_REGS): Use consistent formatting.
783 (ISA_HAS_MUL3): New macro.
784 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
785 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
786 (ISA_HAS_CLZ_CLO): Likewise.
787 (ISA_HAS_DCLZ_DCLO): Delete.
788 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
789 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
790 the VR4120 and VR4130.
791 (ISA_HAS_MACCHI): Use consistent formatting.
792 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
793 (ISA_HAS_ROR): ...this new macro.
794 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
795 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
796 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
798 2006-10-29 Roger Sayle <roger@eyesopen.com>
800 PR tree-optimization/15458
801 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
804 2006-10-29 Richard Guenther <rguenther@suse.de>
806 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
807 (ix86_expand_truncdf_32): Likewise.
808 * config/i386/i386.c (ix86_expand_trunc): New function expanding
809 trunc inline for SSE math and -fno-trapping-math and if not
811 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
812 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
813 for expanding btrunc inline for SSE math.
815 2006-10-29 Joseph Myers <joseph@codesourcery.com>
817 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
818 Handle tuning for bi-arch i[34567]86-*-linux* like that for
819 i[34567]86-*-solaris2.1[0-9]*.
820 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
821 Define conditionally depending on TARGET_64BIT_DEFAULT.
822 (SPEC_32, SPEC_64): Define.
823 (LINK_SPEC): Use them.
824 * doc/install.texi (--enable-targets=all): Document for x86-linux.
826 2006-10-29 Richard Guenther <rguenther@suse.de>
828 * config/i386/i386-protos.h (ix86_expand_round): Declare.
829 (ix86_expand_rounddf_32): Likewise.
830 * config/i386/i386.c (ix86_expand_round): New function expanding
831 round inline for SSE math and -fno-trapping-math and if not
833 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
834 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
835 round via ix86_expand_round.
837 2006-10-29 Richard Guenther <rguenther@suse.de>
839 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
840 (ix86_expand_floorceildf_32): Likewise.
841 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
842 static helper function.
843 (ix86_expand_floorceil): Expander for floor and ceil to SSE
845 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
846 * config/i386/i386.md (floordf2): Adjust to enable floor
847 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
848 -fno-trapping-math is enabled and if not optimizing for size.
849 (floorsf2, ceildf2, ceilsf2): Likewise.
850 * config/i386/sse.md (sse_maskcmpsf3): New insn.
851 (sse2_maskcmpdf3): Likewise.
853 2006-10-29 Richard Guenther <rguenther@suse.de>
855 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
856 rint in case -fno-trapping-math is enabled.
857 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
858 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
859 (ix86_expand_sse_fabs): Likewise.
860 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
861 * config/i386/i386.md (rintdf2): Enable for SSE math if
862 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
865 2006-10-29 Richard Guenther <rguenther@suse.de>
867 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
868 to conversion optabs.
869 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
871 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
872 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
873 (lfloor_optab, lceil_optab): Adjust defines.
874 * builtins.c (expand_builtin_int_roundingfn): Adjust for
875 lfloor and lceil optabs now being conversion optabs.
876 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
877 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
878 New static helper function.
879 (ix86_expand_lfloorceil): New function to expand lfloor and
881 * config/i386/i386.md (lfloor<mode>2): Split into ...
882 (lfloorxf<mode>2): ... x87 variant
883 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
884 using ix86_expand_lfloorceil.
885 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
887 * doc/md.texi (lfloorMN, lceilMN): Document.
889 2006-10-29 Richard Sandiford <richard@codesourcery.com>
891 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
892 -mno-shared assembler option on mips targets.
893 * configure, config.in: Regenerate.
894 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
895 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
896 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
898 2006-10-29 Richard Sandiford <richard@codesourcery.com>
900 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
901 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
903 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
905 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
906 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
909 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
912 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
913 (fold_builtin_pow): Evaluate constant arguments at compile-time
915 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
916 (do_mpfr_ckconv): New helper function.
917 (do_mpfr_arg1): Use do_mpfr_ckconv.
920 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
923 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
924 (-fdump-rtl-sched): Rename to ..
925 (-fdump-rtl-sched1): here. Also fix file extension number.
927 2006-10-28 Richard Guenther <rguenther@suse.de>
929 * fold-const.c (maybe_canonicalize_comparison): Fix code
932 2006-10-28 Uros Bizjak <uros@kss-loka.si>
934 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
935 (NON_QI_REG_P): Use IN_RANGE.
936 (REX_INT_REGNO_P): Use IN_RANGE.
937 (FP_REGNO_P): Use IN_RANGE.
938 (SSE_REGNO_P): Use IN_RANGE.
939 (REX_SSE_REGNO_P): Use IN_RANGE.
940 (MMX_REGNO_P): Use IN_RANGE.
941 (STACK_REGNO_P): New macro.
942 (STACK_REG_P): Use STACK_REGNO_P.
943 (NON_STACK_REG_P): Use STACK_REGNO_P.
944 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
945 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
946 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
947 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
948 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
950 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
952 * except.h (output_function_exception_table): Add 'const char*' param.
953 * except.c (switch_to_exception_section): Add 'const char*' param.
954 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
955 and flag_function_sections is set, use a function-specific section.
956 (output_function_exception_table): Add 'const char*' param.
957 Adjust call to switch_to_exception_section.
958 * final.c (rest_of_handle_final): Adjust calls to
959 output_function_exception_table.
960 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
961 * config.in: Regenerate.
962 * configure: Likewise.
964 2006-10-28 Richard Guenther <rguenther@suse.de>
967 * fold-const.c (maybe_canonicalize_comparison_1): Helper
968 for maybe_canonicalize_comparison.
969 (maybe_canonicalize_comparison): New function for canonicalizing
971 (fold_comparison): Call it to canonicalize comparisons with
974 2006-10-28 Richard Guenther <rguenther@suse.de>
977 * builtins.c (expand_builtin_int_roundingfn_2): Expand
978 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
979 (expand_builtin): Adjust likewise.
980 * genopinit.c (optabs[]): Add lround optab.
981 * optabs.c (init_optabs): Initialize lround_optab.
982 * optabs.h (enum convert_optab_index): Add COI_lround.
983 (lround_optab): Define.
984 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
985 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
987 (ix86_expand_lround): New function.
988 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
990 * doc/md.texi (lroundMN2): Document.
992 2006-10-28 Uros Bizjak <uros@kss-loka.si>
995 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
996 argument to HOST_WIDE_INT. Update function prototype.
997 (round_frame_size): Change return type to HOST_WIDE_INT. Change
998 "size" argument to HOST_WIDE_INT. Update function prototype.
1000 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1002 * config/i386/i386.c (output_387_ffreep): Create output from a
1003 template string for !HAVE_AS_IX86_FFREEP.
1005 2006-10-27 Eric Christopher <echristo@apple.com>
1007 * config/darwin.c: Fix formatting and grammar.
1009 2006-10-27 Jan Hubicka <jh@suse.cz>
1011 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1012 to be thrown away soon when IGNORE is set.
1013 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1014 indicating when return value shall not be computed.
1015 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1017 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1019 * config/i386/i386.h (TARGET_GEODE):
1020 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1021 (TARGET_CPU_DEFAULT_geode): New macro.
1022 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1023 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1024 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1025 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1026 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1028 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1029 (processor_type): Add PROCESSOR_GEODE.
1031 * config/i386/i386.md: Include geode.md.
1034 * config/i386/i386.c (geode_cost): New initialized global
1036 (m_GEODE, m_K6_GEODE): New macros.
1037 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1038 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1039 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1040 x86_schedule): Use m_K6_GEODE instead of m_K6.
1041 (x86_movx, x86_cmove): Set up m_GEODE.
1042 (x86_integer_DFmode_moves): Clear m_GEODE.
1043 (processor_target_table): Add entry for geode.
1044 (processor_alias_table): Ditto.
1046 * config/i386/geode.md: New file.
1048 * doc/invoke.texi: Add entry about geode processor.
1050 2006-10-27 Mike Stump <mrs@apple.com>
1052 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1053 __DYNAMIC__ from here back to ...
1054 * config/darwin.h (CPP_SPEC): ... here.
1056 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1057 Nathan Sidwell <nathan@codesourcery.com>
1059 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1060 when choosing the minimum heapsize.
1062 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1064 * gcc/unwind-dw2.h: Move cfa-related variables into
1065 struct frame_state_reg_info to ensure that the CFA is properly
1066 handled when executing DW_CFA_{remember,restore}_state.
1067 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1068 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1069 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1070 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1071 gcc/config/rs6000/linux-unwind.h,
1072 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1073 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1074 Modify to use new cfa_* fields.
1076 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1078 * config/s390/s390.c (s390_init_frame_layout): Check positive
1081 2006-10-26 Ben Elliston <bje@au.ibm.com>
1083 * gimplify.c (get_name): Remove extraneous break.
1084 (gimplify_omp_for): Initialise ret with GS_OK.
1086 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1088 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1089 Add unix98.o to link line.
1091 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1094 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1095 Calculate compile-time constants using MPFR.
1096 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1097 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1099 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1101 * config/xtensa/lib2funcs.S: Use C-style comments.
1103 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1105 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1106 (file_table_relative_p): Likewise.
1107 (dwarf2out_finish): Likewise.
1108 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1110 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1112 * tree-ssa-structalias.c (intra_create_variable_infos):
1113 Don't recreate nonlocal_all if it already exists.
1115 2006-10-25 Richard Guenther <rguenther@suse.de>
1118 * optabs.h (enum optab_index): Remove OTI_lrint.
1119 (enum convert_optab_index): Add COI_lrint.
1120 (lrint_optab): Adjust.
1121 (expand_sfix_optab): Declare.
1122 * optabs.c (expand_sfix_optab): New function.
1123 (init_optabs): Init lrint_optab as conversion optab.
1124 * genopinit.c (lrint_optab): Change to a conversion optab.
1125 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1126 expansion via conversion optab.
1127 * config/i386/i386.md (*fistdi2_1): Remove
1128 flag_unsafe_math_optimizations guard.
1129 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1130 fist<mode>2_with_temp): Likewise.
1131 (lrint<mode>2): Split into...
1132 (lrintxf<mode>2): ... x87 part
1133 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1134 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1135 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1136 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1137 * doc/md.texi (lrintMN2): Document.
1139 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1142 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1143 Use inc and dec instructions for TARGET_USE_INCDEC.
1144 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1145 ("sync_double_compare_and_swap<mode>"): Likewise.
1146 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1147 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1148 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1149 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1150 ("sync_old_add<mode>"): Likewise.
1151 ("sync_lock_test_and_set<mode>"): Likewise.
1152 ("sync_lock_test_and_set<mode>"): Likewise.
1153 ("sync_add<mode>"): Likewise.
1154 ("sync_sub<mode>"): Likewise.
1155 ("sync_ior<mode>"): Likewise.
1156 ("sync_and<mode>"): Likewise.
1157 ("sync_xor<mode>"): Likewise.
1159 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1161 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1162 (remainder_optab): Define corresponding macro.
1163 (drem_optab): Remove.
1164 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1165 drem_optab initialization.
1166 * genopinit.c (optabs): Implement remainder_optab using
1167 remainder?f3 patterns. Remove drem_optab.
1168 * builtins.c (expand_builtin_mathfn_2): Handle
1169 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1170 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1171 expand_builtin_mathfn_2.
1173 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1174 depend on flag_unsafe_math_optimizations.
1176 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1177 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1178 Do not depend on flag_unsafe_math_optimizations. Use
1179 truncxf?f expander instead of truncxf?f_i387_noop.
1181 ("fpremxf4", "fprem1xf4"): Do not depend on
1182 flag_unsafe_math_optimizations.
1183 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1184 flag_unsafe_math_optimizations. Use truncxf?f expander
1185 instead of truncxf?f_i387_noop.
1187 * doc/md.texi (fmod, remainder): Document standard named pattern.
1189 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1190 David Daney <ddaney@avtrex.com>
1193 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1195 2006-10-25 Ben Elliston <bje@au.ibm.com>
1197 * doc/extend.texi (Variable Attributes): Typo fix.
1199 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1201 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1202 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1203 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1204 (FRAME_POINTER_REGNUM): Update register number to 21.
1205 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1206 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1208 * config/i386/i386.c (regclass_map): Add fpcr entry.
1209 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1211 (print_reg): Assert REGNO (x) != FPCR_REG.
1213 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1214 (DIRFLAG_REG): Renumber.
1215 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1216 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1217 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1218 hardcoded SSE register numbers.
1220 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1221 hardcoded MMX register numbers.
1223 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1226 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1227 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1229 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1230 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1231 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1232 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1234 2006-10-24 Richard Guenther <rguenther@suse.de>
1237 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1238 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1239 for deciding optimizations in consistency with fold-const.c
1240 (fold_builtin_unordered_cmp): Likewise.
1242 2006-10-24 Richard Guenther <rguenther@suse.de>
1244 * builtins.c (fold_builtin_floor): Fold floor (x) where
1245 x is nonnegative to trunc (x).
1246 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1247 nonnegative to FIX_TRUNC_EXPR.
1249 2006-10-24 Richard Guenther <rguenther@suse.de>
1251 PR tree-optimization/29567
1252 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1253 for TRUTH_NOT_EXPR. Clarify comments.
1255 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1258 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1259 at compile-time using MPFR. Change parameter VALUE to FUNC,
1261 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1262 for overflow and underflow at all times and avoid folding in
1265 2006-10-24 Ben Elliston <bje@au.ibm.com>
1267 * reload1.c: Formatting fixes.
1269 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1271 PR tree-optimization/14784
1272 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1273 * tree-ssa-structalias.c (get_constraint_for,
1274 intra_create_variable_infos): Set is_heapvar.
1275 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1276 non-heapvar pointer variables specially.
1278 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1281 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1282 fold_builtin_tan): Fold all constant arguments. Take a "type"
1283 argument as necessary.
1284 (do_mpfr_arg1): New.
1285 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1287 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1289 * config/xtensa/lib1funcs.asm: Use C-style comments.
1291 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1293 * tree.c (local_define_builtin): Replace calls to
1294 lang_hooks.builtin_function with add_builtin_function.
1295 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1297 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1299 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1300 common code to add_builtin_function.
1301 * langhooks.c (add_builtin_function): New function.
1302 (lhd_builtin_function): New function.
1303 * langhooks.h (struct lang_hooks): Change the signature of
1305 (add_builtin_function): New function.
1306 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1307 calls to lang_hooks.builtin_function with add_builtin_function.
1308 * c-common.c (decl_builtin_1): Replace calls to
1309 lang_hooks.builtin_function with add_builtin_function.
1310 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1311 lang_hooks.builtin_function with add_builtin_function.
1312 * config/frv/frv.c (def_builtin): Replace calls to
1313 lang_hooks.builtin_function with add_builtin_function.
1314 * config/s390/s390.c (s390_init_builtins): Replace calls to
1315 lang_hooks.builtin_function with add_builtin_function.
1316 * config/sparc/sparc.c (def_builtin): Replace calls to
1317 lang_hooks.builtin_function with add_builtin_function.
1318 * config/i386/i386.c (def_builtin): Replace calls to
1319 lang_hooks.builtin_function with add_builtin_function.
1320 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1321 lang_hooks.builtin_function with add_builtin_function.
1322 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1323 lang_hooks.builtin_function with add_builtin_function.
1324 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1325 Replace calls to lang_hooks.builtin_function with
1326 add_builtin_function.
1327 * config/iq2000/iq2000.c (def_builtin):
1328 Replace calls to lang_hooks.builtin_function with
1329 add_builtin_function.
1330 * config/ia64/ia64.c (def_builtin): Replace calls to
1331 lang_hooks.builtin_function with add_builtin_function.
1332 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1333 lang_hooks.builtin_function with add_builtin_function.
1334 (altivec_init_builtins): Replace calls to
1335 lang_hooks.builtin_function with add_builtin_function.
1336 * config/arm/arm.c (def_mbuiltin): Replace calls to
1337 lang_hooks.builtin_function with add_builtin_function.
1338 (arm_init_tls_builtins): Replace calls to
1339 lang_hooks.builtin_function with add_builtin_function.
1340 * config/mips/mips.c (mips_init_builtins): Replace calls to
1341 lang_hooks.builtin_function with add_builtin_function.
1342 * config/bfin/bfin.c (def_builtin): Replace calls to
1343 lang_hooks.builtin_function with add_builtin_function.
1344 * langhooks-def.h (lhd_builtin_function): New function.
1345 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1347 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1349 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1350 BUILT_IN_STRNCAT_CHK.
1352 2006-10-23 Jan Hubicka <jh@suse.cz>
1354 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1355 don't do conversion from memmove to memcpy here.
1356 (expand_builtin_bcopy, expand_builtin): Update call of
1357 expand_builtin_memmove.
1358 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1360 2006-10-23 Paul Brook <paul@codesourcery.com>
1362 * stor-layout.c (start_record_layout): maximum_field_alignment
1363 overrides STRUCTURE_SIZE_BOUNDARY.
1365 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1367 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1368 nonlocal function symbols if flag_pic.
1370 2006-10-23 Richard Guenther <rguenther@suse.de>
1374 * builtins.c (fold_binary): Remove checks for flag_wrapv
1375 and flag_trapv where negate_expr_p covers these cases.
1377 2006-10-23 Richard Guenther <rguenther@suse.de>
1380 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1381 of two on the absolute value.
1382 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1383 and negating -C does not overflow.
1385 2006-10-23 Richard Guenther <rguenther@suse.de>
1388 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1389 only if not flag_rounding_math.
1391 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1392 Kaz Kojima <kkojima@gcc.gnu.org>
1395 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1396 SImode memory reference for the source of a movua.
1397 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1398 (movua): Use an unspec instead of sign_extract. Expect the source
1399 to have mode BLKmode.
1400 (extv, insv): Use a BLKmode rather than SImode memory reference
1401 for the source of a movua.
1403 2006-10-22 Jeff Law <law@redhat.com>
1404 Richard Guenther <rguenther@suse.de>
1406 PR tree-optimization/15911
1407 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1408 (register_edge_assert_for_1): Likewise.
1409 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1410 (find_conditional_asserts): Adjust for new function signature.
1411 (find_assert_locations): Likewise.
1413 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1415 * config/i386/tmmintrin.h: Remove the duplicated content.
1417 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1419 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1420 (x86_64-*-*): Likewise.
1422 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1423 (override_options): Check SSSE3.
1424 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1425 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1426 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1427 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1428 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1429 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1430 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1431 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1432 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1433 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1434 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1435 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1436 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1437 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1438 IX86_BUILTIN_PABSD128.
1439 (bdesc_2arg): Add SSSE3.
1440 (bdesc_1arg): Likewise.
1441 (ix86_init_mmx_sse_builtins): Support SSSE3.
1442 (ix86_expand_builtin): Likewise.
1443 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1445 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1446 (UNSPEC_PSIGN): Likewise.
1447 (UNSPEC_PALIGNR): Likewise.
1448 Include mmx.md before sse.md.
1450 * config/i386/i386.opt: Add -mssse3.
1452 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1453 (ssse3_phaddwv4hi3): Likewise.
1454 (ssse3_phadddv4si3): Likewise.
1455 (ssse3_phadddv2si3): Likewise.
1456 (ssse3_phaddswv8hi3): Likewise.
1457 (ssse3_phaddswv4hi3): Likewise.
1458 (ssse3_phsubwv8hi3): Likewise.
1459 (ssse3_phsubwv4hi3): Likewise.
1460 (ssse3_phsubdv4si3): Likewise.
1461 (ssse3_phsubdv2si3): Likewise.
1462 (ssse3_phsubswv8hi3): Likewise.
1463 (ssse3_phsubswv4hi3): Likewise.
1464 (ssse3_pmaddubswv8hi3): Likewise.
1465 (ssse3_pmaddubswv4hi3): Likewise.
1466 (ssse3_pmulhrswv8hi3): Likewise.
1467 (ssse3_pmulhrswv4hi3): Likewise.
1468 (ssse3_pshufbv16qi3): Likewise.
1469 (ssse3_pshufbv8qi3): Likewise.
1470 (ssse3_psign<mode>3): Likewise.
1471 (ssse3_psign<mode>3): Likewise.
1472 (ssse3_palignrti): Likewise.
1473 (ssse3_palignrdi): Likewise.
1474 (abs<mode>2): Likewise.
1475 (abs<mode>2): Likewise.
1477 * config/i386/tmmintrin.h: New file.
1479 * doc/extend.texi: Document SSSE3 built-in functions.
1481 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1483 2006-10-22 Ira Rosen <irar@il.ibm.com>
1485 * tree-vect-transform.c (vectorizable_load): Use the type of the
1486 return value of the mask_for_load builtin to create realign_load
1489 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1491 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1494 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1496 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1497 (UNSPEC_LDDQU): This.
1498 * config/i386/sse.md (sse3_lddqu): Updated.
1500 2006-10-21 Richard Guenther <rguenther@suse.de>
1502 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1503 (expand_builtin): Use it to expand lrint instead of
1504 expand_builtin_mathfn.
1506 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1509 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1510 flag_unsafe_math_optimizations is set.
1512 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1515 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1516 patterns to use memory input operand in x87->mem->XMM
1517 reload sequences. Skip transformation for TARGET_K8.
1519 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1521 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1522 force operand1 to register if both operands are memory operands.
1523 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1524 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1525 if both operands are memory operands.
1526 (truncdfsf2): Do not force operand1 to register if both operands
1527 are memory operands.
1529 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1531 * Makefile.in (LIBS): Add $(GMPLIBS).
1532 * doc/install.texi: Update GMP and MPFR requirements.
1533 * doc/sourcebuild.texi (need_gmp): Delete.
1535 2006-10-21 Richard Guenther <rguenther@suse.de>
1537 PR tree-optimization/3511
1538 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1539 got new invariant arguments during PHI translation.
1541 2006-10-21 Richard Guenther <rguenther@suse.de>
1544 * fold-const.c (fold_comparison): Fold signed comparisons
1545 of the form X +- C1 CMP Y +- C2.
1547 2006-10-21 Richard Guenther <rguenther@suse.de>
1550 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1551 if flag_unsafe_math_optimizations is specified. We have
1552 flag_finite_math_only for that.
1553 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1554 or flag_unsafe_math_optimizations.
1556 2006-10-21 Richard Guenther <rguenther@suse.de>
1558 * builtins.c (fold_builtin_classify): Fix typo.
1560 2006-10-21 Richard Guenther <rguenther@suse.de>
1563 * simplify-rtx.c (simplify_const_relational_operation):
1564 Do not constant-fold ORDERED and UNORDERED for
1565 flag_unsafe_math_optimizations but only we do not need to
1566 honor NaNs for the given mode.
1568 2006-10-21 Richard Guenther <rguenther@suse.de>
1571 * config/i386/i386.c (classify_argument): Remove redundant
1572 walking of the BINFOs.
1573 (contains_128bit_aligned_vector_p): Likewise.
1575 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1577 * BASE-VER: Set to 4.3.0.
1579 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1581 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1582 (tree_decl_with_vis): Remove artificial_pta_var flag.
1583 * tree-flow.h (referenced_var_check_and_insert): Expose.
1584 (nonlocal_all): New prototype.
1585 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1586 (nonlocal_all): Make global.
1587 (nonlocal_lookup): Remove.
1588 (nonlocal_insert): Ditto.
1589 (create_nonlocal_var): Do not call nonlocal_insert.
1590 (get_nonlocal_id_for_type): Remove.
1591 (find_global_initializers): Mark new vars we find for renaming.
1592 (intra_create_variable_infos): Only create one nonlocal.
1593 (expand_nonlocal_solutions): Remove.
1594 (compute_points_to_sets): Don't call it.
1595 (ipa_pta_execute): Ditto.
1596 (init_alias_heapvars): Don't create nonlocal_for_type.
1597 (delete_alias_heapvars): Don't remove it.
1598 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1601 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1603 * doc/install.texi (Downloading GCC): Clarify mention of
1604 Fortran in the "full distribution" description.
1606 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1608 Fix PR tree-optimization/28778
1609 Fix PR tree-optimization/29156
1610 Fix PR tree-optimization/29415
1611 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1612 (tree_decl_with_vis): Add artificial_pta_var flag.
1613 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1614 pushed into callers.
1615 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1616 (nonlocal_all): Ditto.
1617 (struct variable_info): Add directly_dereferenced member.
1618 (var_escaped_vars): New variable.
1619 (escaped_vars_tree): Ditto.
1620 (escaped_vars_id): Ditto.
1621 (nonlocal_vars_id): Ditto.
1622 (new_var_info): Set directly_dereferenced.
1623 (graph_size): New variable
1624 (build_constraint_graph): Use graph_size.
1625 (solve_graph): Don't process constraints that cannot change the
1626 solution, don't try to propagate an empty solution to our
1628 (process_constraint): Set directly_dereferenced.
1629 (could_have_pointers): New function.
1630 (get_constraint_for_component_ref): Don't process STRING_CST.
1631 (nonlocal_lookup): New function.
1632 (nonlocal_insert): Ditto.
1633 (create_nonlocal_var): Ditto.
1634 (get_nonlocal_id_for_type): Ditto.
1635 (get_constraint_for): Allow results vector to be empty in the case
1636 of string constants.
1637 Handle results of calls properly.
1638 (update_alias_info): Update alias info stats on number and type of
1640 (find_func_aliases): Use could_have_pointers.
1641 (make_constraint_from_escaped): Renamed from
1642 make_constraint_to_anything, and changed to make constraints from
1644 (make_constraint_to_escaped): New function.
1645 (find_global_initializers): Ditto.
1646 (create_variable_info_for): Make constraint from escaped to any
1647 global variable, and from any global variable to the set of
1649 (intra_create_variable_infos): Deal with escaped instead of
1650 pointing to anything.
1651 (set_uids_in_ptset): Do type pruning on directly dereferenced
1653 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1654 (init_base_vars): Fix comment, and initialize escaped_vars.
1655 (need_to_solve): Removed.
1656 (find_escape_constraints): New function.
1657 (expand_nonlocal_solutions): Ditto.
1658 (compute_points_to_sets): Call find_escape_constraints and
1659 expand_nonlocal_solutions.
1660 (delete_points_to_sets): Don't fall off the end of the graph.
1661 (init_alias_heapvars): Initialize nonlocal_for_type and
1663 (delete_alias_heapvars): Free nonlocal_for_type and null out
1666 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1668 * fold-const.c (add_double): Rename to add_double_with_sign.
1669 Add 'unsigned_p' parameter and take it into account for the overflow.
1670 (mul_double): Rename to mul_double_with_sign.
1671 Add 'unsigned_p' parameter and take it into account for the overflow.
1672 (fold_div_compare): Call add_double_with_sign instead of add_double
1673 and mul_double_with_sign instead of mul_double, passing them the
1674 unsignedness of the type.
1675 * tree.h (add_double): Macroize.
1676 (add_double_with_sign): New prototype.
1677 (mul_double): Macroize.
1678 (mul_double_with_sign): New prototype.
1680 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1682 * config/score/crti.asm: New file.
1683 * config/score/crtn.asm: New file.
1684 * config/score/elf.h: New file.
1685 * config/score/mac.md: New file.
1686 * config/score/misc.md: New file.
1687 * config/score/mul-div.S: New file.
1688 * config/score/predicates.md: New file.
1689 * config/score/score7.md: New file.
1690 * config/score/score.c: New file.
1691 * config/score/score-conv.h: New file.
1692 * config/score/score.h: New file.
1693 * config/score/score.md: New file.
1694 * config/score/score-mdaux.c: New file.
1695 * config/score/score-mdaux.h: New file.
1696 * config/score/score-modes.def: New file.
1697 * config/score/score.opt: New file.
1698 * config/score/score-protos.h: New file.
1699 * config/score/score-version.h: New file.
1700 * config/score/t-score-elf: New file.
1701 * config.gcc: Add score*-*-* configurations(Update before).
1702 * doc/invoke.texi (Score Options): New section.
1703 * doc/md.texi (Score family): New section to document constraints.
1705 2006-10-19 Nick Clifton <nickc@redhat.com>
1707 * config/arm/arm.c: Fix spelling typo.
1709 2006-10-18 Tom Tromey <tromey@redhat.com>
1711 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1713 2006-10-18 Jan Hubicka <jh@suse.cz>
1716 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1719 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1721 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1722 TSI_SAME_STMT, since that's the desired entity.
1724 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1726 * config/s390/contraints.md: New file.
1727 * config/s390/s390-protos.h (s390_mem_constraint,
1728 s390_O_constraint_str, s390_N_constraint_str,
1729 s390_float_const_zero_p): Function prototypes added.
1730 * config/s390/s390.c (s390_extra_constraint_str,
1731 s390_const_double_ok_for_constraint_p,
1732 s390_const_ok_for_constraint_p): Functions removed.
1733 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1734 s390_float_const_zero_p): New functions.
1735 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1736 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1737 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1738 Macro definitions removed.
1739 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1740 s390_extra_constraint_str): Functions removed.
1742 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1743 Richard Sandiford <richard@codesourcery.com>
1746 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1747 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1749 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1751 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1752 (DWARF2_FRAME_REG_OUT): Likewise.
1753 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1754 (DWARF2_FRAME_REG_OUT): Likewise.
1756 2006-10-17 Paul Brook <paul@codesourcery.com>
1758 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1760 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1762 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1763 Standardize on "GNU Fortran" as the official name of the Fortran
1766 2006-10-16 Mike Stump <mrs@apple.com>
1768 * doc/invoke.texi (Darwin Options): Document -mkernel.
1769 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1771 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1772 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1773 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1774 (OS_MISSING_ALTIVEC): Add.
1775 * config/i386/i386.c (override_options): Add
1776 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1777 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1778 -mkernel, -static or -mdynamic-no-pic is given.
1779 (C_COMMON_OVERRIDE_OPTIONS): Add.
1780 * config/darwin.opt (fapple-kext): Add.
1782 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1783 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1785 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1786 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1787 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1788 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1789 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1790 (flag_mkernel): Add.
1791 (flag_apple_kext): Add.
1792 (TARGET_KEXTABI): Add.
1793 * config/darwin.c (darwin_handle_kext_attribute): Add.
1794 (DARWIN_VTABLE_P): Add.
1795 (darwin_binds_local_p): Add partial support for rebinding vtables
1797 (darwin_kextabi_p): Add.
1798 (darwin_override_options): Add.
1799 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1800 (darwin_kextabi_p): Add.
1801 (darwin_override_options): Add.
1802 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1803 __DYNAMIC__ and __STATIC__ here.
1805 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1807 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1808 Added mention of "make pdf" target, and Texinfo requirements for
1811 2006-10-16 DJ Delorie <dj@redhat.com>
1813 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1814 into the GOT in case we need a subreg of the address.
1816 2006-10-16 Richard Guenther <rguenther@suse.de>
1819 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1820 SSE builtin documentation. Document SSE2 builtins.
1822 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1824 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1825 symbol in the output file for non-shared links when -nostdlib or
1826 -nodefaultlibs isn't specified.
1828 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1829 posix thread support.
1831 2006-10-15 Jan Hubicka <jh@suse.cz>
1834 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1835 declared always_inline even when not inlining.
1837 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1838 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1839 Andrew Pinski <pinskia@gmail.com>
1842 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1844 2006-10-15 Jan Hubicka <jh@suse.cz>
1845 Richard Guenther <rguenther@suse.de>
1848 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1849 process_function_and_variable_attributes on all variables, including
1850 those discovered during cgraph construction phase.
1852 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1854 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1856 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1858 * config/i386/athlon.md (athlon_fist): Add fisttp.
1860 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1861 Ian Lance Taylor <ian@airs.com>
1864 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1865 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1868 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1870 * config/score/score.c, config/score/score.h: Fix comment
1873 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1876 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1879 2006-10-13 Eric Christopher <echristo@apple.com>
1881 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1883 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1886 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1887 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1888 alignment supported by 32-bit ELF.
1890 2006-10-13 Eric Christopher <echristo@apple.com>
1892 * config/darwin.c (darwin_emit_unwind_label): Strip
1893 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1895 2006-10-13 Richard Guenther <rguenther@suse.de>
1897 PR tree-optimization/29446
1898 * tree-vrp.c (fix_equivalence_set): Remove.
1899 (extract_range_from_assert): Do not call fix_equivalence_set.
1900 (debug_value_range): Print a newline.
1901 (compare_name_with_value): For equivalence sets with
1902 inconsistent value ranges conservatively bail out.
1903 (compare_names): Likewise.
1905 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1907 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1908 and MPFR for gfortran.
1910 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1912 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1913 alignment supported by 32-bit ELF.
1915 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1919 * c-typeck.c (digest_init): Always allow initializing vectors
1920 that have static storage duration with compound literals.
1921 * tree.c (build_type_attribute_qual_variant): New, based on
1922 build_type_attribute_variant.
1923 (build_type_attribute_variant): Rewrite using the former.
1924 (make_vector_type): Use build_type_attribute_qual_variant to build
1925 type variants. Use type_hash_canon on the others.
1927 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1928 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1930 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1932 2006-10-12 Jan Hubicka <jh@suse.cz>
1935 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1936 current_function_decl is set but current_function_scope is not.
1938 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1940 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1941 emit_insn to emit eh_return_internal instruction.
1942 (eh_return_internal): Explicitly set pc.
1944 2006-10-11 Richard Guenther <rguenther@suse.de>
1946 PR tree-optimization/28230
1947 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1948 to the correct place.
1950 2006-10-11 Richard Guenther <rguenther@suse.de>
1953 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1956 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1958 * configure.ac: Added pdf to "Make-hooks"
1959 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1960 targets and *.pdf file patterns in cleanup targets.
1961 * configure: Regenerated.
1963 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1965 * config/avr/predicates.md: New file.
1966 * config/avr/avr.md: Include it.
1967 (REG_SP): New constant.
1968 (peepholes): Use predicates.
1969 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1970 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1971 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1973 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1975 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1978 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1981 * builtins.c (var_decl_component_p): New function.
1982 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1983 single entry optimization to variables and components thereof.
1985 2006-10-10 Richard Guenther <rguenther@suse.de>
1987 PR rtl-optimization/29323
1988 * except.c (set_nothrow_function_flags): For functions
1989 that do not bind local bail out early.
1991 2006-10-10 Ben Elliston <bje@au.ibm.com>
1993 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1996 2006-10-09 Richard Henderson <rth@redhat.com>
1998 Revert emutls patch.
2000 2006-10-09 Richard Guenther <rguenther@suse.de>
2003 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2006 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2009 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2010 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2011 * configure: Regenerate.
2012 * config.in: Regenerate.
2014 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2016 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2018 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2020 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2021 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2022 Remove stray newline.
2024 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2026 * config/mips/mips.c (mips_classify_symbol): Do not return
2027 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2028 (mips_in_small_data_p): Tweak comments.
2030 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2032 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2034 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2036 * gimplify.c, sched-int.h: Fix comment typos.
2038 * sched-int.h: Fix comment typos.
2040 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2042 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2044 * sched-ebb.c (begin_schedule_ready): Use them.
2045 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2046 add_to_speculative_block, create_check_block_twin, speculate_insn,
2047 fix_jump_move, move_block_after_check): Ditto.
2048 * sched-rgn.c (new_ready): Ditto.
2050 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2052 PR rtl-optimization/29128
2053 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2054 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2055 allow interblock movement of speculation checks.
2057 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2060 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2061 casted to integer type.
2062 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2063 if they are significantly more expensive than [reg + index] ones.
2065 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2067 PR tree-optimization/29330
2068 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2069 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2070 on newly allocated ddrs.
2071 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2072 to VEC (loop_p, heap) pointer.
2073 (compute_data_dependences_for_loop): Adjust caller.
2074 (free_dependence_relations): Free DDR_LOOP_NEST.
2076 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2077 free DEPENDENCE_RELATIONS and DATAREFS.
2080 * builtins.c (expand_builtin_sync_operation,
2081 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2082 Use convert_to_mode to handle promoted arguments.
2084 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2086 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2088 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2090 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2092 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2094 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2095 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2096 Use <modeconstraint> instead of "r" as operand 1 constraint.
2098 2006-10-06 Olivier Hainque <hainque@adacore.com>
2100 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2101 Don't recurse on the pointed-to type.
2102 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2103 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2104 types with components of variable size.
2106 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2108 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2110 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2112 PR tree-optimization/29290
2113 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2117 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2118 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2121 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2122 the number of vector elements fill the rest with zeros.
2124 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2126 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2127 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2130 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2132 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2133 unnamed pattern into subsi3. Use correct constraints/predicates.
2134 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2135 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2137 2006-10-05 Ira Rosen <irar@il.ibm.com>
2139 * doc/loop.texi: Add data references analysis description.
2141 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2143 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2145 2006-10-04 Richard Henderson <rth@redhat.com>
2146 Jakub Jelinek <jakub@redhat.com>
2148 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2149 * builtin-types.def (BT_WORD): Make unsigned.
2150 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2151 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2152 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2153 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2154 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2155 * cgraph.c (decide_is_variable_needed): Look at force_output.
2156 Recurse for emulated tls.
2157 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2158 checks redundant with decide_is_variable_needed.
2159 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2160 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2162 * expr.c (emutls_var_address): New.
2163 (expand_expr_real_1): Expand emulated tls.
2164 (expand_expr_addr_expr_1): Likewise.
2165 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2166 * output.h (emutls_finish): Declare.
2167 * toplev.c (compile_file): Call it.
2168 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2169 address before wrapping in CONST.
2170 * varasm.c (emutls_htab, emutls_object_type): New.
2171 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2172 (get_emutls_object_name, get_emutls_object_type): New.
2173 (get_emutls_init_templ_addr, emutls_decl): New.
2174 (emutls_common_1, emutls_finish): New.
2175 (assemble_variable): When emulating tls, swap decls; generate
2176 constructor for the emutls objects.
2177 (do_assemble_alias): When emulating tls, swap decl and target name.
2178 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2180 * emutls.c: New file.
2181 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2182 tls_object for real tls.
2184 2006-10-04 Zack Weinberg <zackw@panix.com>
2186 Fix bug in constraint-check generator, reported by Rask Ingemann
2188 * genpreds.c (add_constraint): Don't remove anything from the
2190 (write_tm_constrs_h): Detect whether "op" argument is used, and
2191 mark it ARG_UNUSED if it isn't.
2192 (write_insn_const_int_ok_for_constraint): Skip the part of the
2193 expression that would test whether "op" (which is not available
2194 here) is a CONST_INT.
2196 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2199 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2201 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2203 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2204 current Leopard versions.
2205 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2207 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2209 * doc/install.texi: Fix typos.
2211 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2213 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2214 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2215 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2217 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2219 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2220 arg to be struct mach_header_64* instead.
2222 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2225 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2226 side effects after the outer expression's post side effects.
2228 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2230 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2231 comments to reflect actual behavior and relationship between
2232 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2234 * doc/c-tree.texi (Working with declarations): Fix documentation
2235 of FIELD_DECL likewise.
2237 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2240 * doc/extend.texi: Add used variable attribute description.
2242 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2245 * c.opt (Woverride-init): New.
2246 * c-opts.c (c_common_post_options): Default warn_override_init to
2248 * c-typeck.c (add_pending_init, output_init_element): Warn for
2249 overriding initializers without side effects.
2250 * doc/invoke.texi (-Woverride-init): Document.
2253 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2255 PR rtl-optimization/28096
2256 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2257 assignment has already been used as a destination earlier in the block.
2259 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2261 * builtins.c (expand_builtin_setjmp): Delete.
2262 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2263 <BUILT_IN_SETJMP_SETUP>: New case.
2264 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2265 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2266 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2267 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2268 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2269 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2270 (lower_function_body): Initialize it to false. If it is set to true
2271 at the end of the processing, emit the setjmp dispatcher.
2272 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2273 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2274 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2275 on the rhs of the assignment.
2276 (lower_builtin_setjmp): New function.
2277 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2278 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2279 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2280 to detect calls that can go to non-local labels. Use specific
2281 helper to create the abnormal edges associated with them.
2282 <MODIFY_EXPR>: Likewise.
2283 (make_abnormal_goto_edges): New function extracted from...
2284 (make_goto_expr_edges): ...here. Call it for computed gotos.
2285 (simple_goto_p): Minor tweak.
2286 (tree_can_make_abnormal_goto): New predicate.
2287 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2288 (tree_purge_dead_abnormal_call_edges): New function.
2289 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2290 (tree_purge_dead_abnormal_call_edges): Likewise.
2291 (make_abnormal_goto_edges): Likewise.
2292 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2293 Purge all dead abnormal edges if the call was in the last statement.
2294 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2295 (execute_fixup_cfg): If there are non-local labels in the function,
2296 scan the basic blocks and split them at calls that can go to non-local
2297 labels or add missing abnormal call edges. Write down the CFG in the
2299 (pass_fixup_cfg): Remove TODO_dump_func flag.
2300 * unwind-sjlj.c: Poison setjmp.
2301 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2302 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2303 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2304 (DONT_USE_BUILTIN_SETJMP): Document it.
2306 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2309 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2310 to 1 when __ppc64__ is defined.
2311 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2313 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2315 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2317 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2318 * config/ia64/unwind-hpux.c: Delete.
2320 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2322 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2323 on the element before gimplifying it, instead of punting if it is of
2326 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2328 * doc/loop.texi: New file.
2329 * doc/gccint.texi: Reference loop.texi.
2330 * Makefile.in (loop.texi): Add.
2332 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2334 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2336 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2337 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2339 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2341 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2343 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2345 * doc/install.texi: Document required versions of GMP and MPFR.
2347 2006-09-27 Paul Brook <paul@codesourcery.com>
2350 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2352 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2354 * reload1.c (alter_reg): Require the alignment of the stack slot to
2355 be at least reg_max_ref_width bytes.
2356 (scan_paradoxical_subregs): Record the largest width in
2359 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2363 * tree-nested.c (struct nesting_info): Added static_chain_added.
2364 (convert_call_expr): Set static_chain_added when adding static
2365 chain. Handle OMP_PARALLEL and OMP_SECTION.
2367 2006-09-25 Matthias Klose <doko@debian.org>
2369 * doc/invoke.texi: Add missing full stop.
2371 2006-09-25 Richard Henderson <rth@redhat.com>
2373 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2374 before cgraph_function_flags_ready.
2376 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2377 Adam Nemet <anemet@caviumnetworks.com>
2379 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2380 determine_common_wider_type): New functions.
2381 (get_computation_aff): Use them to simplify arithmetic between
2382 UBASE and CBASE if they are shortened from the same type.
2384 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2387 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2388 -2147483647 - 1 instead of 0x80000000.
2390 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2392 * flags.h (HONOR_NANS): Fix typo in comment.
2394 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2396 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2398 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2402 * tree.c (merge_attributes, attribute_list_contained): If both
2403 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2405 * c-typeck.c (comptypes_internal): Don't consider aggregates
2406 in different TUs as compatible if there one set of attributes is
2407 not a subset of the other type's attributes.
2408 (composite_type): Try harder not to create a new aggregate type.
2410 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2412 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2413 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2414 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2415 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2416 than replicating condition above.
2417 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2419 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2420 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2421 the linker by default.
2423 2006-09-22 Mike Stump <mrs@apple.com>
2425 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2428 2006-09-22 Richard Guenther <rguenther@suse.de>
2431 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2432 sort of stack variables stable.
2434 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2437 * explow.c (force_reg): Set REG_POINTER flag according to
2440 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2442 PR tree-optimization/28888
2443 * tree-if-conv.c (combine_blocks): Rewritten.
2444 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2445 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2447 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2449 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2452 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2454 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2456 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2458 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2460 2006-09-21 Roger Sayle <roger@eyesopen.com>
2463 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2464 dw_fde_current_label, to be the start of the function, i.e. the same
2465 value as dw_fde_begin.
2467 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2469 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2470 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2471 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2472 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2473 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2474 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2475 (abs<mode>2, neg<mode>2): Likewise.
2476 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2477 (*mips_abs_ps): New define_insn.
2479 2006-09-20 Josh Conner <jconner@apple.com>
2482 * calls.c (expand_call): Allow reuse of structure return stack
2485 2006-09-20 Paul Brook <paul@codesourcery.com>
2487 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2490 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2492 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2493 clean up terminology.
2495 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2498 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2499 with tablejumps in them.
2501 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2504 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2505 wrap it into TARGET_EXPR.
2507 2006-09-20 Eric Christopher <echristo@apple.com>
2509 * config/i386/i386.c (x86_fisttp): Remove.
2510 * config/i386/i386.h (x86_fisttp): Ditto.
2511 (TARGET_FISTTP): Ditto.
2513 2006-09-19 Eric Christopher <echristo@apple.com>
2515 * doc/tm.texi (OBJC_JBLEN): Describe.
2516 * config/i386/darwin.h (OBJC_JBLEN): Define.
2517 * config/rs6000/darwin.h: Ditto.
2519 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2521 PR rtl-optimization/21299
2522 * reload1.c (reload): Purge invalid ASMs in the final pass.
2524 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2527 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2528 pointers as legitimate constants.
2530 2006-09-19 Paul Brook <paul@codesourcery.com>
2533 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2535 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2537 PR tree-optimization/28887
2538 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2539 component parts from the reference.
2540 (gather_memory_references_ref): Record the reference without the
2541 nonaddressable component parts.
2543 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2546 * c-opts.c (c_common_handle_option): Ignore the -std options
2547 if the input language is assembly.
2549 2006-09-17 Ira Rosen <irar@il.ibm.com>
2552 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2554 (ptr_ptr_may_alias_p): Likewise.
2555 (record_record_differ_p): New function.
2556 (base_object_differ_p): Call record_record_differ_p.
2558 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2561 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2562 away for the expr argument.
2564 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2567 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2568 before using it for dumping after vectorizing loops.
2570 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2571 Jack Howarth <howarth@bromo.med.uc.edu>
2574 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2575 skip on error_mark_node.
2576 (rs6000_darwin64_record_arg_recurse): Likewise.
2578 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2580 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2581 * doc/rtl.texi: Remove related documentation.
2583 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2585 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2588 2006-09-15 Jim Wilson <wilson@specifix.com>
2590 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2591 Handle symbol offsets same as they are handled in ia64_expand_move
2594 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2596 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2597 Add forgotten parameter to the fprintf call.
2599 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2601 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2603 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2605 * doc/contrib.texi: Add my entry.
2607 2006-09-15 Nick Clifton <nickc@redhat.com>
2609 * doc/md.texi (Processor pipeline description): Fix typo in
2610 example of how to use the absence_set directive and reword the
2611 description to make it slightly easier to read.
2613 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2615 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2616 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2617 expanding the number of iterations.
2618 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2620 * cfgrtl.c (emit_insn_at_entry): New function.
2621 * rtl.h (emit_insn_at_entry): Declare it.
2622 * integrate.c (emit_initial_value_sets): Use it.
2624 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2626 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2628 (struct loop_work and related VEC declarations): Delete.
2629 (bfin_dump_loops): Print out new member bad.
2630 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2631 (bfin_scan_loop): Don't recurse.
2632 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2633 loops. No longer need to update outer loops if the current one is
2634 found bad. Move some validitiy checks to bfin_discover_loop.
2635 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2636 but changed not to check for nesting. Also changed to use the new bad
2638 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2639 time. Use bitmap based test to discover loop nesting.
2641 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2643 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2646 2006-09-14 Richard Guenther <rguenther@suse.de>
2647 Kazu Hirata <kazu@codesourcery.com>
2649 PR middle-end/28884.
2650 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2651 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2652 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2653 with TARGET_FUNCTION_VALUE.
2655 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2658 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2660 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2662 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2665 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2668 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2671 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2673 * basic_block.h (bb_has_eh_pred): Fix comment.
2675 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2677 * flow.c (calculate_global_regs_live): Invalidate eh registers
2678 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2679 (propagate_block): Handle eh registers as if they were set at basic
2681 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2683 * global.c (global_conflicts): Make eh registers to conflict with
2684 pseudos live at basic block begin.
2685 * basic_block.h (bb_has_eh_pred): New function.
2687 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2689 PR rtl-optimization/28982
2690 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2691 index of a PRE_MODIFY or POST_MODIFY address.
2692 * reload1.c (inc_for_reload): Use find_replacement on the original
2693 base and index registers.
2695 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2697 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2698 for -Os. Update __m128 alignment requirement.
2700 2006-09-13 Jan Hubicka <jh@suse.cz>
2702 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2704 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2706 PR rtl-optimization/28243
2707 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2708 the insn to which the note was originally attached.
2710 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2711 Roger Sayle <roger@eyesopen.com>
2713 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2714 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2715 on platforms that don't use dwarf for debug info.
2717 2006-09-12 Jason Merrill <jason@redhat.com>
2720 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2721 hard_frame_pointer_rtx after using it to update the frame pointer.
2723 2006-09-12 Roger Sayle <roger@eyesopen.com>
2725 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2726 (TARGET_ASM_CLOSE_PAREN): Likewise.
2727 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2728 (TARGET_ASM_CLOSE_PAREN): Likewise.
2730 2006-09-12 Roger Sayle <roger@eyesopen.com>
2733 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2734 frame information for frames larger than 512 Kbytes on Tru64 when
2735 using the native assembler.
2737 2006-09-12 Roger Sayle <roger@eyesopen.com>
2741 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2742 and symbols. Instead use the implementation from cse.c's hash_rtx.
2744 2006-09-12 Jan Hubicka <jh@suse.cz>
2746 PR rtl-optimization/28071
2747 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2748 (vect_transform_loop): Likewise.
2749 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2750 (new_loop_vec_info): Likewise.
2751 (destroy_loop_vec_info): Likewise.
2752 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2753 (create_stmt_ann): Likewise.
2754 (create_tree_ann): Rename to ...
2755 (create_tree_common_ann): ... this one; allocate only the common part
2757 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2758 (get_value_handle): Likewise.
2759 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2760 get_tree_common_ann.
2761 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2762 (vinfo_for_stmt): Use stmt annotations.
2763 * tree-flow.h (tree_ann_common_t): New type.
2764 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2765 (tree_ann, get_tree_ann, create_tree_ann): New.
2766 * tree-flow-inline.h (get_function_ann): Do more type checking.
2767 (stmt_ann): Likewise.
2768 (tree_ann): Rename to ...
2769 (tree_common_ann): ... this one; return ony common_ann
2770 (get_tree_ann): Rename to ...
2771 (tree_common_ann): This one; return only common_ann.
2772 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2775 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2777 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2778 with_cpu by default.
2780 * dwarf2out.c (dwarf_file_data): New.
2781 (enum dw_val_class): Add dw_val_class_file.
2782 (struct dw_val_struct): Add val_file.
2783 (file_table): Change to a hash table.
2784 (file_table_emitted): Delete.
2785 (file_table_last_lookup_index): Delete.
2786 (emitcount): Delete.
2787 (last_emitted_file): New.
2788 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2789 (init_file_table): Delete.
2790 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2791 (AT_addr): Add comment.
2795 (print_die): Handle dw_val_class_file.
2796 (print_dwarf_line_table): Update for new file table structure.
2797 (attr_checksum): Do checksum a filename.
2798 (same_dw_val_p, same_attr_p): Do compare a filename.
2799 (size_of_die): Handle dw_val_class_file.
2800 (value_format): Likewise.
2801 (output_die): Likewise. Also, call maybe_emit_file here.
2802 (struct file_info): Constify filenames. Make file_idx a pointer
2803 to a struct dwarf_file_data.
2804 (struct dir_info): Constify directory names. Remove 'used' field.
2805 (struct file_name_acquire_data): New.
2806 (file_name_acquire): New.
2807 (output_file_names): Modify to handle new file data structures.
2808 (add_src_coords_attributes): Use add_AT_file.
2809 (add_call_src_coords_attributes): Likewise.
2810 (dwarf2out_imported_module_or_decl): Likewise.
2811 (gen_subprogram_die): Modify for new file data structures.
2812 (gen_variable_die): Likewise.
2813 (file_table_eq): New.
2814 (file_table_hash): New.
2815 (file_table_last_lookup): New.
2816 (lookup_filename): Rewrite to handle new file data structures.
2817 (maybe_emit_file): Rewrite to handle new file data structures.
2818 (dwarf2out_source_line): Always call lookup_filename and
2820 (dwarf2out_init): Create file_table here.
2821 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2822 (file_table_relative_p): New.
2823 (dwarf2out_finish): Change detection of relative filenames
2824 to work with new file data structures. Move output_line_info call
2825 after debug_info output.
2827 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2832 * config/i386/i386.c (override_options): Always default to 16
2833 byte stack boundary.
2835 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2838 * var-tracking.c (dump_dataflow_set): Start dumping at
2840 (clobber_variable_part): Kill only the variable part in
2841 registers holding it, leaving other variables alone.
2843 2006-09-11 Josh Triplett <josh@freedesktop.org>
2845 * doc/extend.texi (Other Builtins): Actually use the macro
2846 argument in the documentation example for
2847 __builtin_types_compatible_p.
2849 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2851 PR rtl-optimization/28726
2852 * sched-deps.c (sched_analyze_reg): New function extracted from...
2853 (sched_analyze_1): ...here. Call it to analyze references to
2854 registers. Treat again writes to a stack register as writing to the
2856 (sched_analyze_2): ...and here. Call it to analyze references to
2857 registers. Treat again reads of a stack register as reading the
2860 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2861 David Edelsohn <edelsohn@gnu.org>
2864 * config/rs6000/spe.md (frob_df_di): Remove %H.
2865 (frob_di_df): Remove %H. Change evmergelo to mr.
2866 (frob_di_df_2): Remove %H. Change evldd to two loads.
2868 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2870 * doc/cpp.texi: Fix names of charset options.
2872 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2875 * config/i386/i386.c (override_options): Use 128-bit
2876 stack boundary always for 64bits.
2878 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2880 PR rtl-optimization/28636
2881 * combine.c (force_to_mode): Test for side-effects before
2882 substituting by zero.
2883 (simplify_shift_const): Likewise for zero or other constants.
2885 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2888 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2891 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2894 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2895 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2896 returned by mode_for_size, rather than the mode of src itself,
2897 to choose between 32-bit and 64-bit patterns.
2898 (mips_mem_fits_mode_p): New function.
2899 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2900 that the size of the source matches the size of the destination.
2901 (mov_<store>l, mov_<store>r): Likewise.
2903 2006-09-10 Eric Christopher <echristo@apple.com>
2905 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2908 2006-09-09 Eric Christopher <echristo@apple.com>
2911 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2914 2006-09-09 Roger Sayle <roger@eyesopen.com>
2915 Nicolas Setton <setton@adacore.com>
2917 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2919 2006-09-10 Andreas Schwab <schwab@suse.de>
2921 * config/m68k/m68k.md (bungt_rev): New pattern.
2923 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2924 Dale Johannesen <dalej@apple.com>
2927 * regclass.c (struct reg_pref): Update documentation.
2928 (regclass): Set prefclass to NO_REGS if memory is the best option.
2929 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2931 2006-09-08 Eric Christopher <echristo@apple.com>
2933 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2934 * config/t-slibgcc-darwin: Support x86_64 multilib.
2935 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2936 Return 1 for x86_64-darwin.
2937 * config/i386/t-darwin: Add m64 multilib.
2938 (LIB2_SIDITI_CONV_FUNCS): Use.
2939 (LIB2FUNCS_EXTRA): Ditto.
2940 * config/i386/darwin.h: Support x86_64.
2941 * config/i386/i386.c (override_options): Turn on flag_pic
2942 for x86_64-darwin. Disable flag_omit_pointer.
2943 (get_pc_thunk_name): Assert !TARGET_64BIT.
2944 (legitimate_address_p): Disable machopic addressing for
2946 (legitimize_pic_address): Ditto.
2947 (ix86_expand_move): Ditto.
2948 (ix86_expand_call): Ditto.
2949 (machopic_output_stub): Ditto.
2950 * config/darwin.c (machopic_select_section): Support literal16.
2951 (machopic_select_rtx_section): Ditto.
2952 * config/darwin-sections.def: Ditto.
2953 * config/darwin-64.c: New.
2955 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2958 * c-tree.h (struct c_arg_info): Add pending_sizes.
2959 * c-parser.c (c_parser_parms_declarator,
2960 c_parser_parms_list_declarator): Initialize pending_sizes.
2961 * c-decl.c (get_parm_info): Initialize pending_sizes.
2962 (get_parm_info): Set pending_sizes.
2963 (grokdeclarator): Call put_pending_sizes for parameters for
2964 function definition only.
2966 2006-09-07 Jason Merrill <jason@redhat.com>
2969 * varasm.c (output_constant): Only strip actual no-op conversions.
2972 * config/i386/i386.c (override_options): Use 128-bit
2973 stack boundary if -msse.
2975 2006-09-07 Eric Christopher <echristo@apple.com>
2977 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2979 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2982 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2984 * dwarf2out.c: Remove strange characters from comment above
2985 dwarf2out_frame_debug_expr.
2987 2006-09-07 Eric Christopher <echristo@apple.com>
2989 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2990 * config/darwin.h: ... to here.
2992 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2994 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2996 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2997 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2999 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3000 TARGET_PARTIAL_FLAG_REG_STALL.
3001 (*ashldi3_cconly_rex64): Likewise.
3002 (*ashlsi3_cmp): Likewise.
3003 (*ashlsi3_cconly): Likewise.
3004 (*ashlsi3_cmp_zext): Likewise.
3005 (*ashlhi3_cmp): Likewise.
3006 (*ashlhi3_cconly): Likewise.
3007 (*ashlqi3_cmp): Likewise.
3008 (*ashlqi3_cconly): Likewise.
3009 (*ashrdi3_cmp_rex64): Likewise.
3010 (*ashrdi3_cconly_rex64): Likewise.
3011 (*ashrsi3_cmp): Likewise.
3012 (*ashrsi3_cconly): Likewise.
3013 (*ashrsi3_cmp_zext): Likewise.
3014 (*ashrhi3_cmp): Likewise.
3015 (*ashrhi3_cconly): Likewise.
3016 (*ashrqi3_cmp): Likewise.
3017 (*ashrqi3_cconly): Likewise.
3018 (*lshrdi3_cmp_rex64): Likewise.
3019 (*lshrdi3_cconly_rex64): Likewise.
3020 (*lshrsi3_cmp): Likewise.
3021 (*lshrsi3_cconly): Likewise.
3022 (*lshrsi3_cmp_zext): Likewise.
3023 (*lshrhi3_cmp): Likewise.
3024 (*lshrhi3_cconly): Likewise.
3025 (*lshrqi2_cmp): Likewise.
3026 (*lshrqi2_cconly): Likewise.
3028 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3031 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3032 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3033 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3034 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3035 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3036 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3037 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3038 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3039 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3040 implement only CC setting effects of shift instructions.
3042 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3044 * doc/contrib.texi: Add myself.
3046 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3049 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3050 was set by the user.
3052 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3055 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3056 (divsi_inv_m1): Use them.
3057 (UNSPEC_DIV_INV_TABLE): New constant.
3059 2006-09-06 James E Wilson <wilson@specifix.com>
3062 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3063 then call count_or_remove_death_notes.
3065 2006-09-06 Jason Merrill <jason@redhat.com>
3068 * tree-inline.c (copy_result_decl_to_var): New fn.
3069 (declare_return_variable): Use it. Call declare_inline_vars here.
3070 (expand_call_inline): Not here.
3072 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3074 * doc/contrib.texi: Update my entry.
3076 2006-09-06 Nick Clifton <nickc@redhat.com>
3078 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3080 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3083 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3084 (canonicalize_induction_variables): Likewise.
3085 (tree_unroll_loops_completely): Likewise.
3086 (tree_ssa_prefetch_arrays): Likewise.
3087 (remove_empty_loops): Likewise.
3088 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3089 TODO_cleanup_cfg instead of directly calling
3090 cleanup_tree_cfg_loop.
3091 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3093 (tree_unroll_loops_completely): Likewise.
3094 (remove_empty_loops): Likewise.
3095 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3096 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3097 of tree_ssa_unswitch_loops.
3098 (tree_ssa_loop_ivcanon): Use the return value of
3099 canonicalize_induction_variables.
3100 (tree_ssa_empty_loop): Use the return value of
3102 (tree_complete_unroll): Use the return value of
3103 tree_unroll_loops_completely.
3104 (tree_ssa_loop_prefetch): Use the return value of
3105 tree_ssa_prefetch_arrays.
3106 * passes.c (execute_todo): Before Cleanup CFG, set
3107 updating_used_alone and after cleanup CFG, call
3108 recalculate_used_alone.
3110 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3113 * tree-vect-transform.c (vectorizable_condition): Move the check
3114 for the type after the check for simple condition.
3116 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3117 Kaz Kojima <kkojima@gcc.gnu.org>
3120 * mode-switching.c (optimize_mode_switching): Make the destination
3121 block of an abnormal edge have no anticipatable mode. Don't
3122 insert mode switching code at the end of the source block of
3125 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3127 PR rtl-optimization/26847
3128 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3129 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3130 (simplify_plus_minus): Count n_constants while filling ops. Replace
3131 qsort with insertion sort. Before going through the array to simplify
3132 pairs, sort it. Delay early exit until after the first sort, exiting
3133 only if no swaps occurred. Simplify pairs in reversed order, without
3134 special-casing the first iteration. Pack ops after simplifying pairs.
3136 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3138 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3139 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3140 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3141 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3143 2006-09-05 Richard Guenther <rguenther@suse.de>
3145 PR tree-optimization/28900
3146 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3147 compound conditional before creating COND_EXPR condition.
3149 2006-09-05 Richard Guenther <rguenther@suse.de>
3151 PR tree-optimization/28905
3152 * tree-vrp.c (fix_equivalence_set): Manually implement
3153 !value_ranges_intersect_p to also handle symbolic ranges.
3155 2006-09-05 Richard Guenther <rguenther@suse.de>
3158 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3161 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3163 PR rtl-optimization/27616
3164 * cse.c (table_size): New static variable.
3165 (new_basic_block): Initialize it to 0.
3166 (remove_from_table): Decrement it.
3167 (insert): Increment it.
3168 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3169 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3170 fold_rtx_mem_1 if under the cap.
3171 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3172 the lookup of the equivalent expression and test for equality of the
3173 first operand of the equivalent expression before in turn looking up
3174 an equivalent constant for the second operand.
3176 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3179 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3180 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3181 pointer, instead of assuming it is possible to derive the
3182 correct args size from a call insn.
3184 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3187 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3188 (fold_builtin_mempcpy): Rename to...
3189 (fold_builtin_memory_op): ... this. Optimize one element copy
3191 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3193 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3194 (expand_builtin_memcpy, expand_builtin_mempcpy,
3195 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3196 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3197 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3198 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3200 2006-09-01 DJ Delorie <dj@redhat.com>
3202 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3203 (stzx_16): Likewise.
3204 ("stzx_24_<mode>"): Likewise.
3205 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3206 ("cmp<mode>_op"): New.
3207 (cmp<mode>): Change to expander; just save operands.
3209 (b<code>): Change to expander, emit compare here.
3210 (s<code>_op): Change to use split and expander.
3211 (s<code>_24_op): Likewise.
3212 (s<code>_<mode>): New.
3213 (s<code>_<mode>_24): New.
3214 (movqicc_<code>_<mode): New.
3215 (movhicc_<code>_<mode>): New.
3218 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3219 (m32c_pend_compare): New.
3220 (m32c_unpend_compare): New.
3221 (m32c_expand_scc): New.
3222 (m32c_expand_movcc): Emit the compare also.
3223 * config/m32c/predicates.md (mra_nopp_operand): New.
3225 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3226 Richard Guenther <rguenther@suse.de>
3227 Adam Nemet <anemet@caviumnetworks.com>
3230 * builtins.c (get_pointer_alignment): Handle more forms
3231 of base addresses that can be used to derive more precise
3232 information about alignment.
3234 2006-09-01 Jason Merrill <jason@redhat.com>
3237 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3240 * gimplify.c (voidify_wrapper_expr): Handle null type.
3242 2006-09-01 Josh Conner <jconner@apple.com>
3245 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3246 (execute_return_slot_opt): Use it.
3248 2006-08-31 Josh Conner <jconner@apple.com>
3251 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3252 returning aggregates.
3254 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3256 PR tree-optimization/28839
3257 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3258 blocks in that phi arguments appear.
3260 2006-08-31 Roger Sayle <roger@eyesopen.com>
3263 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3264 NULL, otherwise use an advance_loc4 to adjust relative to the
3266 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3267 (dwarf2out_switch_text_section): Reset the current label to avoid
3268 using advance_loc4 over section boundaries.
3270 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3273 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3274 r12 + SYMBOLIC_CONST.
3276 2006-08-30 Richard Guenther <rguenther@suse.de>
3278 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3280 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3282 PR rtl-optimization/27735
3283 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3284 Add new argument to keep track of whether an irreducible region
3285 was affected. All callers changed.
3286 (fix_irreducible_loops): Removed.
3287 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3288 flags were invalidated.
3290 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3292 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3293 instead of SF operands.
3294 (*fop_df_comm_sse): Likewise.
3295 (*fop_df_comm_i387): Likewise.
3296 (*fop_df_1_mixed): Likewise.
3297 (*fop_df_1_sse): Likewise.
3299 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3300 J"orn Rennecke <joern.rennecke@st.com>
3302 PR tree-optimization/17506
3303 * tree-ssa.c (warn_uninit): If warning about a location outside of
3304 the current function, note where the variable was declared.
3306 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3308 PR tree-optimization/28411
3309 * double-int.c (double_int_div): Use double_int_divmod.
3310 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3311 double_int_mod, double_int_smod, double_int_umod): New functions.
3312 * double-int.h (double_int_divmod, double_int_sdivmod,
3313 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3315 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3317 (get_computation_aff, get_computation_cost_at): Handle double_int
3318 return type of constant_multiple_of.
3320 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3323 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3324 an implicit conversion.
3326 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3328 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3330 2006-08-27 Roger Sayle <roger@eyesopen.com>
3332 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3335 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3337 * config/i386/crtfastmath.c: Fix a comment typo.
3339 2006-08-26 Roger Sayle <roger@eyesopen.com>
3341 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3342 temporary visit flags on CASE_LABEL_EXPRs.
3343 * c-common.c (match_case_to_enum): Add function comment. Avoid
3344 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3345 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3346 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3347 a constant, only warn if that constant value isn't handled.
3349 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3352 * input.h (restore_input_file_stack): Declare.
3353 (INPUT_FILE_STACK_BITS): Define.
3354 * toplev.c (fs_p, input_file_stack_history,
3355 input_file_stack_restored, restore_input_file_stack): New.
3356 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3357 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3358 (pop_srcloc): Don't free old state of stack.
3360 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3363 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3364 (PowerPC Type Attributes): New.
3366 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3368 * config/xtensa/xtensa.c (function_arg_boundary): New.
3369 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3371 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3372 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3374 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3377 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3380 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3382 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3383 (verify_local_live_at_start): Likewise.
3385 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3388 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3389 omp_add_variable): Treat sizes as variable whenever not
3392 2006-08-26 Richard Guenther <rguenther@suse.de>
3395 * fold-const.c (fold_binary): Fold temporary to correct
3396 type before constructing new comparison.
3398 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3401 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3402 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3404 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3407 * c-decl.c (start_function): Don't try to process prototype
3408 information from old declaration that isn't a function.
3410 2006-08-25 Jan Hubicka <jh@suse.cz>
3413 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3415 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3418 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3421 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3423 PR tree-optimization/16876
3424 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3425 exit if PARM doesn't match VALUE.
3427 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3429 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3430 literal_prefix directive.
3431 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3432 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3433 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3435 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3438 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3439 predicate to general_operand. Add 0->y and I->r alternatives.
3441 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3443 * doc/tm.texi: Fix a typo.
3444 * predict.c: Fix comment typos.
3446 2006-08-25 Nick Clifton <nickc@redhat.com>
3448 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3449 assertions of "cpu" and "machine".
3451 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3454 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3455 the access through a base which has an alias set of 0 cannot
3458 2006-08-24 Bill Wendling <wendling@apple.com>
3460 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3462 2006-08-24 Jan Hubicka <jh@suse.cz>
3464 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3466 2006-08-24 Jan Hubicka <jh@suse.cz>
3469 * cgraph.c: Fix comments.
3470 (cgraph_varpool_mark_needed_node): Mark only variables not already
3472 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3473 (cgraph_varpool_assembled_nodes_queue): New static variable.
3474 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3475 (cgraph_varpool_output_debug_info): New function.
3476 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3477 * Makefile.in: Add gt-cgraphunit.h
3479 2006-08-24 Jan Hubicka <jh@suse.cz>
3481 * predict.c (probability_reliable_p): New predicate.
3482 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3483 (predict_loops): Do not predict loop exit with less than 2%
3485 * basic-block.h (edge_probability_reliable_p,
3486 br_prob_note_reliable_p): Declare.
3487 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3488 prediction when static predictor is not reliable.
3489 * rs6000.c (output_cbranch): Likewise.
3491 2006-08-23 Stuart Hastings <stuart@apple.com>
3494 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3495 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3497 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3500 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3501 complex values, nor for generic vector values.
3503 2006-08-22 Richard Guenther <rguenther@suse.de>
3506 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3507 parameter. Convert arguments to arithmetic expression to the
3509 (analyze_scalar_evolution_1): Adjust caller.
3511 2006-08-22 Jan Hubicka <jh@suse.cz>
3513 Patch by Paolo Bonzini
3514 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3517 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3519 PR tree-optimization/28003
3520 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3521 before grouping aliases.
3523 2006-08-22 Roger Sayle <roger@eyesopen.com>
3525 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3526 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3528 2006-08-21 Jason Merrill <jason@redhat.com>
3531 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3532 wrapper. Loop to handle nested wrappers.
3533 (gimplify_bind_expr): Remove temp parameter.
3534 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3535 and STATEMENT_LIST on the rhs.
3536 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3537 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3538 (gimplify_target_expr): Remove special BIND_EXPR handling.
3540 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3542 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3545 2006-08-21 Olivier Hainque <hainque@adacore.com>
3547 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3548 Arrange for the temporary captures of components overlapping the lhs
3549 to happen before the lhs is possibly cleared.
3551 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3553 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3554 necessary places to pass the correct "number of registers" values
3557 2006-08-20 Jan Hubicka <jh@suse.cz>
3559 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3560 (create_name_tags): Instead of quadratic checking use hashtable.
3561 * bitmap.h: Include hashtab.h.
3562 (bitmap_hash): Declare.
3563 * bitmap.c (bitmap_hash): New function.
3565 2006-08-20 Jan Hubicka <jh@suse.cz>
3567 PR rtl-optimization/28071
3568 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3570 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3571 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3572 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3573 cgraph_decide_inlining_incrementally): Update use of
3574 cgraph_check_inline_limits.
3575 * cgraph.c (edge_hash, edge_eq): New function.
3576 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3577 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3578 cgraph_remove_node): Maintain call site hash.
3579 * cgraph.h (struct cgraph_node): Add call_site_hash.
3580 (cgraph_set_call_stmt): New function.
3582 2006-08-20 Jan Hubicka <jh@suse.cz>
3584 PR rtl-optimization/28071
3585 * reload1.c (reg_has_output_reload): Turn into regset.
3586 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3587 choose_reload_regs, emit_reload_insns): Update to new
3588 reg_has_output_reload.
3590 2006-08-20 Jan Hubicka <jh@suse.cz>
3593 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3594 function body sizes.
3595 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3597 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3600 * tree.c (handle_dll_attribute): Return early if not a
3601 var or function decl.
3603 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3606 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3607 alignment of SPE vector types.
3609 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3611 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3613 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3616 * cgraph.h (struct cgraph_node): Remove externally_visible
3618 * cgraphunit.c (process_function_and_variable_attributes): Set
3619 local.externally_visible rather than externally_visible.
3622 * c-common.c (handle_externally_visible_attribute): First look
3623 at TREE_CODE and only if it is function or var decl, check for
3624 non-public objects. Don't warn for DECL_EXTERNAL.
3625 * cgraphunit.c (process_function_and_variable_attributes): Warn
3626 if externally_visible attribute is used on non-public object.
3628 2006-08-17 Jan Hubicka <jh@suse.cz>
3630 PR tree-optimization/27865
3631 * reload1.c (forget_marked_reloads): New function.
3632 (forget_old_reloads_1): When data are passed, just mark the registers
3634 (reload_as_needed): Use the new mechanizm.
3636 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3639 * reload.h (reg_equiv_alt_mem_list): New declaration.
3640 * reload1.c (reg_equiv_alt_mem_list): New definition.
3641 (reload): Initialize it and release it.
3642 (delete_output_reload): Use it.
3643 * reload.c (push_reg_equiv_alt_mem): New function.
3644 (find_reloads_toplev): Call it.
3645 (find_reloads_address, find_reloads_address_1): Likewise.
3646 (find_reloads_subreg_address): Likewise.
3648 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3650 PR rtl-optimization/28489
3651 * sched-ebb.c (begin_schedule_ready): Create basic block
3653 (advance_target_bb): Skip empty blocks.
3654 * haifa-sched.c (bb_note): Make global.
3655 * sched-int.h (bb_note): Add prototype.
3657 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3659 PR tree-optimization/27865
3660 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3662 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3663 fold_used_pointer, pointer_used_p): New functions.
3664 (analyze_scalar_evolution_1): Use fold_used_pointer.
3665 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3666 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3669 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3672 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3673 or the INTEGER_CST. Fail on a CALL_EXPR.
3674 (fold_offsetof): Pass new argument to fold_offsetof_1.
3675 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3676 operand into an INDIRECT_REF.
3677 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3679 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3681 PR gcov/profile/26570
3682 * value-prof.c (static_values): Removed.
3683 (tree_find_values_to_profile): Do not set static_values.
3684 (find_values_to_profile): Do not free static_values.
3685 * profile.c (instrument_values): Do not free the values.
3686 (branch_prob): Free the values.
3688 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3690 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3692 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3695 * c-typeck.c (build_component_ref): Combine qualifiers of
3696 structure or union and field.
3698 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3700 PR rtl-optimization/28071
3701 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3702 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3703 * tree-into-ssa.c (struct dom_dfsnum): New.
3704 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3706 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3707 compute_global_livein.
3708 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3709 in phi nodes in the correct blocks.
3711 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3713 PR tree-optimization/28364
3714 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3716 (fold_affine_expr): New function.
3717 (may_eliminate_iv): Use fold_affine_expr.
3719 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3722 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3725 2006-08-16 Mike Stump <mrs@apple.com>
3727 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3728 * doc/cppopts.texi (-MD): Likewise.
3730 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3733 * c-common.c (handle_weak_attribute): Ignore and warn if
3734 not a FUNCTION_ or VAR_DECL.
3736 2006-07-15 Mike Stump <mrs@apple.com>
3739 * c-parser.c (c_parser_typeof_specifier): Don't use
3740 c_finish_expr_stmt, open code desired semantics instead.
3742 2006-08-15 Nick Clifton <nickc@redhat.com>
3744 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3745 fragment to tmake_file only if threads are enabled.
3746 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3747 * config/i386/t-gthr-win32: New file. ... here.
3749 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3752 * c-parser.c (c_parser_compound_statement_nostart): Reset
3753 parser->error after each statement.
3755 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3758 * omp-low.c (lower_omp_parallel): Convert t to
3759 receiver_decl's type.
3760 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3761 source before comparison.
3764 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3765 to itype in assignment to oldival2.
3767 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3771 * c-typeck.c (build_compound_expr): If the second expression
3772 is an error mark, then just return an error mark instead of
3773 creating a COMPOUND_EXPR.
3775 2006-07-14 Mike Stump <mrs@apple.com>
3777 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3779 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3781 * c-decl.c, var-tracking.c: Fix comment typos.
3783 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3785 PR rtl-optimization/28634
3786 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3787 for floating-point modes unless flag_unsafe_math_optimizations.
3789 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3790 Andrew Pinski <pinskia@physics.uc.edu>
3793 * tree.c (build_array_type): Unify array types with
3794 unspecified index_type.
3795 * c-decl.c (grokdeclarator): Make sure we do not modify a
3796 unified incomplete array type.
3797 * c-typeck.c (store_init_value): Create distinct type before
3798 filling in the index type in an initializer from a compound
3801 * c-decl.c (grokdeclarator): Remove code where we copy the
3804 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3806 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3807 into account for TODO_dump_cgraph.
3808 (TODO_update_ssa_no_phi): Likewise.
3809 (TODO_update_ssa_full_phi): Likewise.
3810 (TODO_update_ssa_only_virtuals): Likewise.
3811 (TODO_remove_unused_locals): Likewise.
3812 (TODO_set_props): Likewise.
3813 (TODO_update_stmt_usage): Likewise.
3815 2006-08-13 Dirk Mueller <dmueller@suse.de>
3817 * c-common.c (strict_aliasing_warning): Fix formatting.
3819 2006-08-13 Matthias Klose <doko@debian.org>
3821 * doc/invoke.texi: Fix spelling errors.
3823 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3825 PR rtl-optimization/23454
3826 * reorg.c (relax_delay_slots): Update comment.
3828 2006-08-11 Richard Guenther <rguenther@suse.de>
3831 * simplify-rtx.c (simplify_const_relational_operation):
3832 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3835 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3837 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3838 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3840 2006-08-10 Paul Brook <paul@codesourcery.com>
3842 * final.c (final_scan_insn): Clear current_insn_predicate before
3843 outputting inline asm.
3845 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3847 PR tree-optimization/26197
3848 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3849 get_ref_base_and_extent and overlap_subvar to add only relevant
3850 subvars as may-aliases.
3851 (add_may_alias_for_new_tag): New function, factored out of
3853 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3854 with additional argument.
3855 * tree-flow.h (new_type_alias): Takes additional argument.
3857 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3859 * gcov.c (no_data_file): New flag.
3860 (read_count_file): Set it if data file not present. Assume counts
3862 (output_lines): Don't name the data file, if there wasn't one.
3864 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3866 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3867 (rs6000_generate_compare): Tweak comments.
3868 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3870 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3872 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3873 (var_debug_decl): New function.
3874 (var_reg_set): Follow debug decl link. Add location even if
3875 reg is already known to hold some other variable.
3876 (var_mem_set): Follow debug decl link.
3877 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3878 decl link. Delete other known locations of the variable part
3880 (var_reg_delete, var_mem_delete): Delete other known locations
3881 of the variable part if requested.
3882 (same_variable_part_p): New function.
3883 (add_stores): Select MO_COPY when appropriate.
3884 (vt_initialize): Handle it.
3885 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3886 known locations for MO_SET and MO_CLOBBER.
3887 (find_variable_location_part): New function.
3888 (set_variable_part, delete_variable_part): Use it.
3889 (clobber_variable_part): New function.
3890 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3893 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3895 PR tree-optimization/26969
3896 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3897 with an empty list of PHIs.
3899 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3903 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3906 2006-08-06 Andreas Schwab <schwab@suse.de>
3908 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3909 string. Whitespace and comment fixup.
3911 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3914 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3918 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3921 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3923 2006-08-04 Jan Hubicka <jh@suse.cz>
3927 * reload.c (push_reload): Patch out the mismatching instruction;
3929 (find_reload): Bail out if the instruction was patched out.
3931 2006-08-04 Jan Hubicka <jh@suse.cz>
3933 PR tree-optimization/24888
3934 * tree-inline.c (expand_call_inline): Do not re-record variables.
3935 (declare_inline_vars): Add variable to unexpanded_var_list.
3937 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3938 Roger Sayle <roger@eyesopen.com>
3940 PR rtl-optimization/26244
3941 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3942 inner_const are negative or greater than or equal to the bitsize of
3943 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3944 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3945 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3946 CONST0_RTX (mode) when the new shift count is greater than or equal to
3947 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3950 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3952 * tree-cfg.c: Fix a comment typo.
3954 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3957 * varasm.c (output_constant): Give the front end another chance to
3958 expand constants, after stripping NOPs.
3960 2006-08-03 Jan Hubicka <jh@suse.cz>
3962 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3965 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3967 PR tree-optimization/27770
3968 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3969 declaration removed (moved to tree-flow.h).
3970 (vect_can_force_dr_alignment_p): Likewise.
3971 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3972 (moved from tree-vectorizer.h).
3973 (vect_can_force_dr_alignment_p): Likewise.
3974 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3975 from outside the vectorizer - in particular from cgraph stage.
3976 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3977 the alignment of global arrays when -fsection-anchors is enabled.
3978 * cgraphunit.c (cgraph_increase_alignment): New function.
3979 (cgraph_optimize): Call cgraph_increase_alignment.
3981 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3984 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3985 not reload a SPE symbol_ref into a lo_sum address.
3987 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3990 * dwarf2out.c (prune_unused_types_prune): Move call to
3991 prune_unused_types_update_strings to cover the parent DIE also.
3993 2006-08-02 Jan Hubicka <jh@suse.cz>
3995 PR gcov/profile/28480
3996 * tree-cfg.c (change_bb_for_stmt): New function.
3997 (tree_merge_blocks, tree_split_blocks): Use it.
3999 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4005 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4006 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4007 (cgraph_optimize): Likewise.
4009 2006-08-01 Stuart Hastings <stuart@apple.com>
4011 * rtl.h (UINTVAL) New.
4012 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4013 * testsuite/gcc.dg/20060801-1.c: New.
4015 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4018 * c-typeck.c (build_external_type): Mark used enum types.
4019 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4021 (gen_subprogram_die): Whitespace fix.
4023 2006-08-01 Jan Hubicka <jh@suse.cz>
4025 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4026 bitmap when not needed.
4027 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4030 2006-08-01 Dirk Mueller <dmueller@suse.de>
4032 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4034 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4036 * Makefile.in: Revert part of previous patch:
4037 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4040 2006-07-30 Eric Christopher <echristo@apple.com>
4043 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4044 (PowerPC Variable Attributes): New section.
4046 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4048 PR target/28126 (partial fix)
4049 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4051 2006-07-28 Jan Hubicka <jh@suse.cz>
4053 PR rtl-optimization/28071
4054 * cfgrtl.c (rtl_delete_block): Free regsets.
4055 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4057 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4059 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4060 and variables used in dependencies.
4062 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4064 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4065 %fs for -mcmodel=kernel.
4066 (stack_tls_protect_test_di): Likewise.
4068 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4070 * Makefile.in: Use mkinstalldirs.
4072 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4075 * opts-common.c (prune_options): Skip joined switches.
4077 2006-07-27 Jan Hubicka <jh@suse.cz>
4079 PR rtl-optimization/28071
4080 * cselib.c (cselib_process_insn): Don't remove useless values too
4081 often for very large hashtables.
4083 2006-07-27 Jan Hubicka <jh@suse.cz>
4085 PR rtl-optimization/28071
4086 * global.c (greg_obstack): New obstack.
4087 (allocate_bb_info): Use it.
4088 (free_bb_info): Likewise.
4089 (modify_reg_pav): Likewise.
4091 2006-07-27 Roger Sayle <roger@eyesopen.com>
4093 * builtins.c (fold_fixed_mathfn): When long and long long are the
4094 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4095 functions to their lceil*, lfloor*, lround* and lrint* forms.
4097 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4100 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4102 (rev_branch_insn): Likewise.
4104 2006-07-27 Jan Hubicka <jh@suse.cz>
4106 PR rtl-optimization/28071
4107 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4108 (reg_set_in_bb, max_reg_computed): New static variables.
4109 (regmove_optimize): Free the new array.
4110 (fixup_match_1): Update call of reg_is_remote_constant_p.
4112 2006-07-26 Jan Hubicka <jh@suse.cz>
4114 PR tree-optimization/27882
4115 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4117 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4119 (cgraph_analyze_compilation_unit): Likewise.
4120 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4121 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4122 (cgraph_early_inlinine): Make order garbage collected.
4123 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4125 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4127 * dbxout.c (output_types_sort): Add a comment.
4128 (output_used_types): Free the VEC.
4130 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4132 * function.c (reorder_fix_fragments): Delete.
4133 (reorder_blocks): Don't call it.
4134 (reorder_blocks_1): Put all subblocks under the origin block.
4136 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4138 PR rtl-optimization/27907
4139 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4142 2006-07-25 Roger Sayle <roger@eyesopen.com>
4145 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4146 bar(x) check that bar's result type can represent all the values of T.
4148 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4150 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4152 2006-07-25 Nick Clifton <nickc@redhat.com>
4154 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4155 size_lookup[] array.
4156 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4157 (ggc_pch_count_object): Likewise.
4158 (ggc_pch_alloc_object): Likewise.
4159 (ggc_pch_write_object): Likewise.
4160 (init_ggc): Do not attempt to initialize entries in the
4161 size_lookup[] array for objects whose size is greater than than
4162 the length of the array.
4164 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4166 * dbxout.c (output_used_types_helper): Push queued types
4168 (output_types_sort): New.
4169 (output_used_types): Collect used types on a VEC and sort them
4172 2006-07-24 Richard Guenther <rguenther@suse.de>
4175 * cgraph.c (cgraph_remove_node): Do not check if dumps
4177 * cgraphunit.c (cgraph_optimize): Likewise.
4179 2006-07-24 Jan Hubicka <jh@suse.cz>
4181 PR rtl-optimization/28071
4182 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4183 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4184 splitting before first stmt.
4186 2006-07-24 Jan Hubicka <jh@suse.cz>
4188 PR rtl-optimization/28071
4189 * ipa-inline.c (update_caller_keys): Remove edges that
4190 are no longer inline candidates.
4192 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4195 * dbxout.c (output_used_types_helper, output_used_types): New.
4196 (dbxout_symbol): Call output_used_types.
4198 2006-07-23 Jan Hubicka <jh@suse.cz>
4202 * cgraph.c (cgraph_varpool_nodes): Export.
4203 (decide_is_variable_needed): Ignored "used" attribute in
4204 unit-at-a-time mode.
4205 * cgraph.h (cgraph_varpool_nodes): Declare.
4206 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4207 unit-at-a-time mode.
4209 2006-07-23 Roger Sayle <roger@eyesopen.com>
4212 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4213 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4214 the __gthrw form of thr_keycreate.
4215 (__gthread_key_delete): Silence the unused argument warning.
4217 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4220 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4221 Cache the last found '\0' marker to avoid quadratic behavior.
4223 2006-07-23 Jan Hubicka <jh@suse.cz>
4225 * i386.md (subsi_3_zext): Fix output template.
4227 2006-07-21 Mike Stump <mrs@apple.com>
4229 * doc/invoke.texi (C++ Dialect Options): Note that
4230 -fvisibility-inlines-hidden doesn't affect explicitly
4231 instantiationed inline methods.
4233 2006-07-20 Roger Sayle <roger@eyesopen.com>
4235 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4236 if the target assembler is GNU binutils' gas.
4237 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4238 whether to pass GNU gas or native as command line options.
4240 2006-07-20 Jason Merrill <jason@redhat.com>
4242 * tree.c (remove_attribute): New fn.
4243 * tree.h: Declare it.
4245 2006-07-20 Paul Brook <paul@codesourcery.com>
4248 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4249 they are invalidated by this instruction.
4251 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4254 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4256 2006-07-20 Eric Christopher <echristo@apple.com>
4259 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4261 2006-07-19 Eric Christopher <echristo@apple.com>
4263 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4264 Rewrite dependencies for libgcc_s.1.dylib.
4266 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4268 * except.c (duplicate_eh_regions_1): Clear next_peer.
4270 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4272 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4273 -mlongcall does not guarantee all calls will be long.
4274 * doc/extend.texi (long_call/short_call): Document that longcall
4275 does not guarantee a long call will be used.
4276 (longcall/shortcall): Likewise.
4278 2006-07-18 Roger Sayle <roger@eyesopen.com>
4281 * expmed.c (expand_shift): Additionally check that the shift_cost
4282 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4283 before implementing a LSHIFT_EXPR as a sequence of additions.
4284 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4285 middle-end that DImode shifts need to be synthesized by expand.
4287 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4290 * tree-ssa-operands.c (access_can_touch_variable): Update
4292 Return true if ALIAS is .GLOBAL_VAR.
4294 2006-07-18 David Daney <ddaney@avtrex.com>
4296 * gcc.c (display_help): Fix typo in help text.
4298 2006-07-18 Olivier Hainque <hainque@adacore.com>
4300 * tree.h (categorize_ctor_elements): Adjust prototype and add
4301 descriptive comment, both in accordance with the interface change
4303 * varasm.c (constructor_static_from_elts_p): New function.
4304 Whether a constructor node is a valid static constant initializer
4305 if all its elements are.
4306 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4307 * output.h: Declare it.
4308 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4309 is a valid constant initializer instead of computing the number of
4310 non-constant elements. Use constructor_static_from_elts_p for this
4311 purpose. Replace the head comment with an indication that this is a
4312 helper for categorize_ctor_elements.
4313 (categorize_ctor_elements): Same interface change as for the _1
4314 helper. Former head comment from this helper moved here, adjusted to
4315 account for the interface changes.
4316 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4317 (all_zeros_p): Likewise.
4318 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4319 static versions of the constructor from the categorize_ctor_elements
4320 return value instead of the formerly computed number of non-constant
4323 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4325 * configure: Regenerate.
4326 * Makefile.in (build_libsubdir): New configure substitution
4327 (build_libobjdir): New variable.
4328 (BUILD_LIBIBERTY): Use it.
4330 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4333 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4335 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4338 * c-common.c (handle_weakref_attribute): Ignore attribute in
4339 the same conditions the alias attribute is ignored.
4341 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4343 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4344 (dbxout_begin_prologue): Increment scope_labelno.
4346 2006-07-17 Richard Henderson <rth@redhat.com>
4349 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4352 2006-07-17 Roger Sayle <roger@eyesopen.com>
4353 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4355 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4356 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4357 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4358 functions such as sbrk, write, etc.. Add function prototypes.
4359 Convert function declarations from K&R to ISO C. Cast pointers
4360 to "long" and "unsigned long" instead of "int" and "unsigned int".
4361 Convert tokens following #endif into comments.
4363 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4365 * invoke.texi: Remove mention of f77; Reformat table for
4366 inline parameter options correctly; mention that -malign-double
4367 is default on x86-64 targets.
4369 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4371 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4372 (convert_affine_scev, chrec_convert_aggressive): Use
4373 avoid_arithmetics_in_type_p. Do not check for the subtypes
4376 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4379 * optabs.c (expand_doubleword_shift): Wrap the call to
4380 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4382 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4385 * optabs.c (expand_binop): Pass next_methods rather than methods
4386 to expand_doubleword_shift.
4388 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4391 * tree.h (dump_addr): Declare.
4392 * print-tree.c (dump_addr): New function.
4393 (print_node_brief, print_node): Use it.
4394 * print-rtl.c (print_rtx): Likewise.
4395 * common.opt (-fdump-noaddr): New option.
4396 * doc/invoke.texi (-fdump-noaddr): Document.
4397 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4398 (ve_info_hash): Likewise.
4400 2006-07-13 Andrew Haley <aph@redhat.com>
4402 PR tree-optimization/19505
4403 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4404 edge leaving this block, make sure that the destination of this
4405 block has only one predecessor.
4407 2006-07-17 Richard Guenther <rguenther@suse.de>
4409 PR tree-optimization/28238
4410 * tree-inline.c (copy_bb): Check if we produced valid
4411 gimple copying and substituting a stmt. If not, gimplify
4414 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4416 * optabs.c (maybe_encapsulate_block): New function extracted from...
4417 (emit_libcall_block): ...here. Invoke it on the block of insns to
4418 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4419 (emit_no_conflict_block): Likewise.
4421 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4423 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4425 2006-07-15 Roger Sayle <roger@eyesopen.com>
4427 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4428 a new NOP_EXPR case of the switch statement.
4430 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4433 * stor-layout.c (place_field): Take the bit field with
4434 an excessive size into account in the ms-bitfiled case.
4437 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4438 the previous bit field.
4440 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4443 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4445 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4447 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4448 signal frames correctly even when the signal was installed with
4451 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4453 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4454 (dbxout_function_end): Use local label LFBB. Remove hook
4456 (dbxout_source_line): Use local label LFBB.
4457 (dbxout_block): Likewise.
4458 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4459 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4460 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4461 and DBX_OUTPUT_NFUN.
4463 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4465 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4467 2006-07-13 Jan Hubicka <jh@suse.cz>
4469 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4471 * output.h (align_variable): Declare.
4472 * varasm.c (align_variable): Export.
4473 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4474 when basic block changed.
4476 2006-07-13 Nick Clifton <nickc@redhat.com>
4478 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4479 walking the LOG_LINKS chain.
4481 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4483 * doc/invoke.texi (C++ Dialect Options): Explain difference
4484 between -fvisibility-inlines-hidden and setting hidden
4485 visibility explicitly.
4487 2006-07-12 Eric Christopher <echristo@apple.com>
4489 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4490 (stmp-lipo): Depend on libgcc.a.
4492 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4494 * tree.c: Fix a comment typo.
4496 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4498 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4500 (umulhisi3_r): Likewise.
4502 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4505 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4506 x < 19, vs wchar_t support.
4508 2006-07-12 Nick Clifton <nickc@redhat.com>
4510 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4511 instead of -isa=sh4.
4513 2006-07-12 Mike Stump <mrs@apple.com>
4515 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4517 2006-07-10 Eric Christopher <echristo@apple.com>
4519 * config/t-slibgcc-darwin: Rewrite.
4521 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4524 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4527 2006-07-08 Matthias Klose <doko@debian.org>
4529 * doc/sourcebuild.texi: Fix typo.
4531 2006-07-07 Mike Stump <mrs@apple.com>
4533 * toplev.c (process_options): Don't give -ffunction-sections may
4534 affect debugging warning for Mach-O.
4536 2006-07-07 James E Wilson <wilson@specifix.com>
4538 * config/mips/mips.md (cpu): Add sb1a.
4539 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4540 addition to sb1. Adjust comments to clarify SB-1A differences from
4542 (ir_sb1a_load): New. Modify bypasses to use it.
4543 (ir_sb1a_simple_alu): Likewise.
4544 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4545 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4546 (mips_issue_rate): Add PROCESSOR_SB1A.
4547 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4548 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4549 (TARGET_SB1): Add PROCESSOR_SB1A check.
4550 (TUNE_SB1): Likewise.
4552 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4553 * config/mips/mips.c (mips_store_data_bypass_p): New.
4554 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4555 store_data_bypass_p.
4557 2006-07-08 Paul Brook <paul@codesourcery.com>
4560 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4562 2006-07-07 Richard Guenther <rguenther@suse.de>
4565 * tree.h (build_one_cst): Declare.
4566 * tree.c (build_one_cst): New function.
4567 * tree-ssa-math-opts.c (get_constant_one): Remove.
4568 (insert_reciprocals): Use build_one_cst.
4569 * fold-const.c (fold_plusminus_mult): Likewise.
4571 2006-07-07 Roger Sayle <roger@eyesopen.com>
4573 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4574 * cfgloopanal.c (dump_graph): Likewise.
4575 * dojump.c (discard_pending_stack_adjust): Likewise.
4576 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4578 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4579 * function.c (finalize_block_changes): Likewise.
4580 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4581 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4582 * rtl.c (dump_rtx_statistics): Likewise.
4583 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4585 * varray.c (dump_varray_statistics): Likewise.
4586 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4587 decode_decimal64, encode_decimal128, decode_decimal128,
4588 decimal_real_to_decimal): Likewise.
4590 2006-07-07 Richard Guenther <rguenther@suse.de>
4592 PR tree-optimization/28187
4593 * tree-vrp.c (vrp_operand_equal_p): New function.
4594 (vrp_bitmap_equal_p): Likewise.
4595 (update_value_range): Use them to compare old and new
4598 2006-07-06 Roger Sayle <roger@eyesopen.com>
4600 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4601 a default case to switch statement to silence compiler warnings.
4603 2006-07-06 Roger Sayle <roger@eyesopen.com>
4606 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4607 the configured assembler supports the x87's ffreep mnemonic.
4608 * configure: Regenerate.
4609 * config.in: Regenerate.
4611 * config/i386/i386.c (output_387_ffreep): New function.
4612 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4613 (output_387_reg_move): Likewise.
4615 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4617 Port to hosts whose 'sort' and 'tail' implementations
4618 treat operands with leading '+' as file names, as POSIX
4619 has required since 2001. However, make sure the code still
4620 works on pre-POSIX hosts.
4621 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4622 which says you should use "tail -c +N" rather than "tail +Nc".
4623 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4625 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4627 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4630 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4633 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4634 PRE_{INC,DEC} of TFmode.
4636 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4637 Alan Modra <amodra@bigpond.net.au>
4640 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4643 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4646 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4647 Remove duplicate gtu.
4649 2006-07-05 Jason Merrill <jason@redhat.com>
4653 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4654 * c-common.c (handle_packed_attribute): So don't copy it here.
4655 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4657 2006-07-05 Mike Stump <mrs@apple.com>
4659 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4661 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4664 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4666 2006-07-05 Richard Guenther <rguenther@suse.de>
4669 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4670 TARGET_SSE2 targets if using SSE math.
4671 (*absdf2_1): Likewise.
4673 2006-07-05 Richard Guenther <rguenther@suse.de>
4675 PR tree-optimization/28162
4676 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4677 make sure to convert the operands to the correct type.
4679 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4681 PR tree-optimization/28218
4683 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4684 to calculate and free the dominator information.
4686 2006-07-04 Peter O'Gorman <peter@pogma.com>
4688 * mklibgcc.in: chmod 644 before ranlib during install.
4690 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4691 J"orn Rennecke <joern.rennecke@st.com>
4693 * configure.ac (.eh_frame data check): Use diff -b.
4695 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4698 * Makefile.in (BUILD_RTL): Add build/vec.o.
4699 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4700 (build/genextract): Delete.
4701 (build/genautomata): Likewise.
4703 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4706 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4707 128-bit IBM long doubles for ABI_V4.
4709 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4711 * tree.c (range_in_array_bounds_p): New predicate.
4712 * tree.h (range_in_array_bounds_p): Declare it.
4713 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4714 return a less conservative answer.
4715 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4716 and flag 'is_group'.
4717 (IS_ELEMENT_FOR_GROUP): New macro.
4718 (FOR_EACH_ACTUAL_CHILD): Likewise.
4719 (next_child_for_group): New helper function.
4720 (can_completely_scalarize_p): Take into account groups.
4721 (sra_hash_tree): Handle RANGE_EXPR.
4722 (sra_elt_eq): Likewise.
4723 (lookup_element): Be prepared for handling groups.
4724 (is_valid_const_index): Delete.
4725 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4726 instead of is_valid_const_index.
4727 <ARRAY_RANGE_REF>: New case.
4728 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4729 is_valid_const_index.
4730 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4731 (scan_dump): Dump info for groups too.
4732 (decide_instantiation_1): Likewise.
4733 (decide_block_copy): Assert that the element is not a group.
4734 Propagate decision to groups.
4735 (generate_one_element_ref): Handle RANGE_EXPR.
4736 (mark_no_warning): Iterate over actual childs.
4737 (generate_copy_inout): Likewise.
4738 (generate_element_copy): Likewise.
4739 (generate_element_zero): Likewise.
4740 (generate_element_init_1): Likewise.
4741 (dump_sra_elt_name): Handle RANGE_EXPR.
4743 2006-07-03 Roger Sayle <roger@eyesopen.com>
4745 PR tree-optimization/26251
4746 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4747 (thread_block): When optimizing for size refuse to thread jumps
4748 that would require duplication of blocks other than redirection
4751 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4753 * configure.ac: Fix thinko in previous check-in.
4754 * configure: Regenerate.
4756 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4759 * configure.ac (for lang...): Simplify nesting of conditionals.
4760 Test subdir_requires for non-enabled languages. Move processing
4761 of lang_opt_files and lang_tree_fiels below that test.
4762 * configure: Regenerate.
4763 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4765 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4767 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4769 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4771 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4774 2006-06-29 Jason Merrill <jason@redhat.com>
4781 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4782 * c-common.c (c_determine_visibility): Handle it here.
4783 * c-decl.c (finish_decl): Call c_determine_visibility for
4785 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4787 * varasm.c (default_assemble_visibility): Likewise.
4788 * c-common.c (handle_visibility_attribute): Complain about trying
4789 to give visibility to an already defined class, or trying to change
4790 declared visibility. Always attach the attribute.
4795 * attribs.c (decl_attributes): Ignore type-in-place attributes
4796 once the type has been defined.
4798 2006-06-29 Roger Sayle <roger@eyesopen.com>
4801 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4802 to indicate the cpplib has issued an error message for us.
4804 2006-06-29 Asher Langton <langton2@llnl.gov>
4807 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4808 insert a label at the end of an function under Mach-O.
4810 2006-06-29 Eric Christopher <echristo@apple.com>
4811 Evan Cheng <evan.cheng@apple.com>
4813 * predicates.md (vector_all_ones_operand): New.
4814 (nonimmediate_or_sse_const_operand): Ditto.
4815 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4816 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4817 (standard_sse_mode_p): Ditto.
4818 (standard_sse_constant_p): Add case for -1 vector.
4819 (ix86_expand_vector_move): Try to use.
4820 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4821 Call standard_sse_constant_opcode.
4822 (*movv4sf_internal): Ditto.
4823 (*movv2df_internal): Ditto.
4825 2006-06-29 Roger Sayle <roger@eyesopen.com>
4827 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4828 of XEXP to extract the operands of a MATCH_CODE rtx.
4830 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4832 * tree.c (tree_size): Do not waste tail padding in
4833 struct tree_string and make the size be the same as
4834 build_string will generate.
4836 2006-06-28 Jason Merrill <jason@redhat.com>
4839 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4840 may_aliases already in the tag's annotations to the bitmap.
4842 2006-06-28 Roger Sayle <roger@eyesopen.com>
4844 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4846 2006-06-28 Roger Sayle <roger@eyesopen.com>
4848 * genpreds.c (generate_switch_p): New function.
4849 (add_mode_tests): Push the new mode test down inside an AND expr
4850 if this allows the switch-suitable MATCH_CODE to be near the root.
4851 (write_match_code_switch): New function to write a MATCH_CODE as
4853 (write_predicate_stmts): New function to write a predicate RTX
4854 expression as a sequence of statements.
4855 (write_one_predicate_function): Use write_predicate_stmts.
4856 (write_tm_constrs_h): Likewise.
4858 2006-06-26 Fred Fish <fnf@specifix.com>
4860 * config/mips/t-sb1: New file.
4861 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4864 2006-06-26 DJ Delorie <dj@redhat.com>
4866 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4868 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4869 Jayant Sonar <jayants@kpitcummins.com>
4870 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4872 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4873 (subsi3, subsi3_1, subsi3_2): New.
4874 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4875 * config/m32c/mov.md (SI mov peephole): New.
4876 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4877 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4879 2006-06-26 Olivier Hainque <hainque@adacore.com>
4881 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4882 a CALL_EXPR target function declaration.
4884 2006-06-26 Richard Guenther <rguenther@suse.de>
4886 * tree.c (build_string): Do not waste tail padding in
4889 2006-06-26 Richard Guenther <rguenther@suse.de>
4891 * ggc-page.c (init_ggc): Add missing element to size_lookup
4895 2006-06-23 Richard Guenther <rguenther@suse.de>
4897 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4898 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4899 alignment requests instead. Add verification code.
4900 Add struct tree_function_decl and struct tree_binfo size to
4901 extra_order_size_table. Add missing element to size_lookup
4904 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4907 * fold-const.c (const_binop): Be prepared for self returning zero.
4908 Simplify code handling complex values.
4910 2006-06-24 Olivier Hainque <hainque@adacore.com>
4912 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4913 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4916 2006-06-24 Olivier Hainque <hainque@adacore.com>
4918 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4919 ARRAY_REF, so have the callback called for the low bound expression.
4921 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4923 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4924 * c-typeck.c (c_common_type): Disallow operations on decimal float
4925 types and other float types.
4926 * convert.c (convert_to_real): Don't ignore conversions involving
4927 decimal float types.
4929 2006-06-23 Olivier Hainque <hainque@adacore.com>
4931 * tree.c (max_int_size_in_bytes): New function, inspired from
4932 code in function.c:assign_temp.
4933 * tree.h (max_int_size_in_bytes): Declare.
4934 * function.c (assign_temp): Use it.
4935 * gimplify.c (create_tmp_var): Relax the assertions on the type
4936 properties, not mandating constant size any more.
4937 (force_constant_size): New static function.
4938 (gimple_add_tmp_var): Use it, forcing variable size to a
4939 constant upper bound if it is not constant on entry.
4941 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4944 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4945 for initialization and setting of one_only flag to ...
4946 (i386_pe_encode_section_info): ...here.
4947 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4948 Recheck that the symbol has not been defined.
4950 2006-06-23 Richard Guenther <rguenther@suse.de>
4952 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4953 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4954 alignment requests instead. Add verification code.
4955 Add struct tree_function_decl and struct tree_binfo size to
4956 extra_order_size_table. Add missing element to size_lookup
4959 2006-06-22 Roger Sayle <roger@eyesopen.com>
4960 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4963 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4964 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4966 2006-06-23 Ben Elliston <bje@au.ibm.com>
4968 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4969 negate dn -- manipulate it directly.
4971 2006-06-22 Roger Sayle <roger@eyesopen.com>
4972 Steven Bosscher <stevenb.gcc@gmail.com>
4975 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4976 generated by gen_move_insn to add REG_LABEL notes if necessary.
4978 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4980 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4981 (leaf_entry): Remove use of MIN_ESA.
4983 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4985 PR rtl-optimization/28121
4986 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4989 2006-06-21 DJ Delorie <dj@redhat.com>
4991 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4993 (mulhisi3_r): Likewise.
4995 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4998 * coverage.c (coverage_counter_alloc): Leave the index type
5000 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5003 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5005 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5006 section from the "Options for Code Generation Conventions".
5008 2006-06-21 Richard Henderson <rth@redhat.com>
5012 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5014 (global_symbolic_operand): Allow weak symbols, even if local_p.
5016 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5018 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5019 (find_interesting_uses_address): Punt if above function returns true.
5021 2006-06-21 Richard Guenther <rguenther@suse.de>
5023 * configure: Regenerated.
5025 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5027 * config/mips/mips.c (function_arg): Where one part of a
5028 complex argument is in registers and the other part in the stack,
5029 return a REG not a PARALLEL.
5031 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5033 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5034 when cross-compiling. Do not substitute libstdcxx_incdir.
5035 * configure: Regenerated.
5037 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5039 * varasm.c (mergeable_string_section): Check for embedded NULs and
5040 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5041 rather than TREE_STRING_LENGTH bytes.
5043 2006-06-21 Richard Guenther <rguenther@suse.de>
5045 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5046 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5049 2006-06-21 Richrad Guenther <rguenther@suse.de>
5051 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5052 Limit iteration over the dominators.
5054 2006-06-20 Roger Sayle <roger@eyesopen.com>
5056 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5057 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5059 2006-06-20 Richard Guenther <rguenther@suse.de>
5060 Michael Matz <matz@suse.de>
5062 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5064 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5065 * et-forest.h (et_free_pools): Prototype new function.
5066 * et-forest.c (et_free_tree_force): Free parent occurrence.
5067 (et_free_pools): New function.
5068 * dominance.c (free_dominance_info): Free et-forest alloc
5071 2006-06-20 Roger Sayle <roger@eyesopen.com>
5073 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5074 integer modes, attempt to directly construct an integer constant.
5076 * fold-const.c (native_encode_vector): Determine the size of each
5077 element from the vector type instead of the first vector element.
5079 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5080 if all of its elements/components are constant.
5081 (build_constructor_from_list): Likewise.
5083 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5085 PR tree-optimization/27331
5086 * tree-data-ref.c (free_data_ref): New function.
5087 (create_data_ref): Fail if the data reference has unknown access
5089 (free_data_refs): Use free_data_ref.
5091 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5094 * tree-inline.c (setup_one_parameter): Strip useless
5095 type conversion before adding it to the IR.
5096 (declare_return_variable): Likewise.
5098 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5101 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5103 2006-06-19 Mike Stump <mrs@apple.com>
5105 * tree.c (variably_modified_type_p): VM arguments don't make the
5108 2006-06-19 Richard Guenther <rguenther@suse.de>
5110 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5111 type conversions after folding.
5113 2006-06-19 Richard Guenther <rguenther@suse.de>
5115 * ggc-page.c (extra_order_size_tab): Add entries with
5116 size of struct function and basic_block.
5117 (size_lookup): Extend to cover sizes up to 511.
5118 (ggc_alloc_stat): Adjust user.
5119 (ggc_pch_count_object): Likewise.
5120 (ggc_pch_alloc_object): Likewise.
5121 (ggc_pch_write_object): Likewise.
5123 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5125 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5126 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5129 2006-06-19 Denis Chertykov <denisc@overta.ru>
5131 * config/avr/libgcc.S : Correct my wrong previous commit.
5133 2006-06-19 Roger Sayle <roger@eyesopen.com>
5136 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5137 have stripped a SUBREG from the shift count, so we may need to
5138 convert_to_mode back to the type's mode before calling make_tree.
5139 Use new_amount instead of amount to avoid expanding a tree twice.
5141 2006-06-19 Richard Guenther <rguenther@suse.de>
5144 * fold-const.c (operand_equal_p): Check if the argument types
5145 have the same precision before stripping NOPs.
5147 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5149 Fix PR tree-optimization/27341
5150 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5152 * tree-complex.c (pass_lower_complex): Update SMT usage.
5154 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5156 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5157 Add a new alternative to the constraint strings. Add move of
5158 operand 1 to 3 to the splitter definition.
5159 ("doloop_si_long"): Second contraint alternative removed.
5161 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5163 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5164 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5166 (AVR_HAVE_MOVW) Define.
5167 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5168 (ASM_SPEC): Add avr25.
5169 (LINK_SPEC): Add avr25.
5170 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5171 (base_arch_s): Add new member 'have_movw_lpmx'.
5172 (avr_arch_types): Init 'have_movw_lpmx'.
5173 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5174 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5175 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5176 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5177 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5179 (avr_file_start): Do not output '.arh' derective.
5180 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5181 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5182 * config/avr/avr.md (mcu_enhanced): Delete.
5183 (mcu_have_movw): Define.
5184 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5185 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5186 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5187 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5188 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5189 attiny861 and at86rf401 devices.
5191 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5193 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5196 2006-06-17 Karl Berry <karl@gnu.org>
5198 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5199 doc/gccint.texi, doc/install.texi (@dircategory): Use
5200 "Software development" instead of "Programming", following
5201 the Free Software Directory.
5203 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5205 * config/i386/i386.c (legitimate_tls_address)
5206 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5207 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5208 (*tls_dynamic_gnu2_combine_64): Likewise.
5210 2006-06-16 Richard Guenther <rguenther@suse.de>
5213 * fold-const.c (negate_expr_p): Do not introduce undefined
5214 overflow in negating INTEGER_CSTs.
5215 (fold_negate_expr): Rename from negate_expr. Revert last
5216 change for folding BIT_NOT_EXPR. Change semantics to
5217 return NULL_TREE for non-simplified negations. Do not
5218 strip type conversions and unify type handling.
5219 (negate_expr): New function, wrap around fold_negate_expr
5220 but ensure building a tree always. Strip type conversions
5221 here, fold to result type.
5222 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5224 2006-06-16 Roger Sayle <roger@eyesopen.com>
5227 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5228 that (would) return their results in stack registers.
5230 2006-06-16 Michael Matz <matz@suse.de>
5231 Richard Guenther <rguenther@suse.de>
5233 * fold-const.c (fold_truthop): Only return new tree node if
5234 we canonicalized something.
5236 2006-06-16 Richard Guenther <rguenther@suse.de>
5238 * function.h (enum function_frequency): Move declaration
5239 out of struct function.
5240 (struct function): Move bool fields and the enum to the bitfield
5241 section. Reorder elements to avoid padding. Remove unused
5242 fields left over from the RTL inliner removal.
5243 * function.c (free_after_compilation): Do not zero removed fields.
5244 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5245 (ipa-type-escape.o): Likewise.
5247 2006-06-16 Richard Guenther <rguenther@suse.de>
5249 * cgraph.h (struct cgraph_local_info): Turn bool elements
5251 (struct cgraph_node): Likewise.
5252 (struct cgraph_varpool_node): Likewise.
5254 2006-06-15 Richard Guenther <rguenther@suse.de>
5256 * fold-const.c (fold_truth_not_expr): Rename from
5257 invert_truthvalue. Give it fold_* semantics to avoid
5259 (invert_truthvalue): New function. Wrapper around
5260 fold_truth_not_expr.
5261 (optimize_minmax_comparison): Avoid creating garbage.
5262 (fold_unary): Use fold_truth_not_expr for folding
5264 (fold_ternary): Replace uses of invert_truthvalue with
5265 fold_truth_not_expr where applicable.
5266 * tree.h (fold_truth_not_expr): Prototype.
5268 2006-06-16 Richard Guenther <rguenther@suse.de>
5270 PR tree-optimization/27781
5271 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5272 * ipa-pure-const.c (target.h): Include.
5273 (analyze_function): Do not analyze functions that do not
5276 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5279 * tree-dfa.c (referenced_vars_dup_list): Remove.
5280 (find_referenced_vars): Remove assert.
5281 (referenced_var_check_and_insert): Replace dup list with assert.
5282 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5283 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5285 2006-06-15 Richard Guenther <rguenther@suse.de>
5287 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5288 extra unused identifiers if not dumping.
5289 (create_variable_info_for): Likewise.
5291 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5293 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5294 (derive_constant_upper_bound): Derive more precise upper bound in
5295 common cases. Return type changed to double_int.
5296 (record_estimate): Reflect the changed return type of
5297 derive_constant_upper_bound.
5298 * double-int.c (double_int_zext, double_int_sext): Fix.
5300 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5302 * configure.ac (CFLAGS): Get them from the toplevel or from the
5303 configure invocation.
5304 * configure: Regenerate.
5305 * Makefile.in (CFLAGS): Substitute value provided by configure.
5307 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5310 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5311 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5312 rather than calling add_stmt on it.
5313 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5315 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5318 * reload1.c (reload): Remove registers returned by update_eliminables
5319 from used_spill_regs.
5321 2006-06-13 DJ Delorie <dj@redhat.com>
5323 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5325 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5327 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5328 html__strip_dir, html__mkdir_p. Enhance install-html target.
5329 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5330 * configure: Regenerate.
5332 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5334 * fold-const.c (fold_cond_expr_with_comparison): Check for
5335 Objective-C++ as language in deciding COND_EXPR transformation.
5337 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5340 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5341 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5342 * config/sh/lib1funcs.h (SL, SL1): Define.
5343 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5344 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5345 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5346 (OBJS_Os_4_200): New variable.
5347 ($(T)libgcc-Os-4-200.a): Use it.
5348 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5349 when dividing 1 and/or by 0.
5351 2006-06-13 Roger Sayle <roger@eyesopen.com>
5353 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5354 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5355 * configure: Regenerate.
5357 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5359 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5360 for real instruction.
5362 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5365 * haifa-sched.c (check_cfg): Handle special case.
5367 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5370 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5371 Add debug_info parameter. Chain the vars to the BLOCK instead
5372 of the BIND_EXPR if debug info are requested for them.
5373 (pop_gimplify_context): Adjust for above change.
5374 (gimple_add_tmp_var): Likewise.
5375 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5377 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5378 (convert_local_reference): Likewise.
5379 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5380 (finalize_nesting_tree_1): Request that debug info be emitted
5381 for debug_var_chain.
5383 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5385 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5386 for PR target/27863.
5388 2006-06-13 Richard Guenther <rguenther@suse.de>
5391 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5393 2006-06-13 Richard Guenther <rguenther@suse.de>
5395 PR tree-optimization/27830
5396 * tree-inline.c (copy_body_r): For copying the operand
5397 of an ADDR_EXPR make sure to fold &* afterwards.
5399 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5401 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5402 lvalues in the fb_none case with side-effects.
5404 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5406 * tree-flow.h: Remove the prototype for
5407 compute_phi_arg_on_exit.
5408 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5409 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5412 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5414 * builtins.c (expand_builtin_return_addr): Only use
5415 frame_pointer_rtx when count == 0 and we are expanding
5416 __builtin_return_address.
5418 2006-06-12 Fred Fish <fnf@specifix.com>
5420 * config/mips/mips.c (mips_file_start): Create special section
5421 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5423 2006-06-11 Eric Christopher <echristo@apple.com>
5426 * stor-layout.c (place_field): Remove check for
5427 remaining_in_alignment when aligning at the end of a run.
5429 2006-06-11 Eric Christopher <echristo@apple.com>
5432 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5435 2006-06-11 Roger Sayle <roger@eyesopen.com>
5438 Revert incorrect fix for PR target/27158
5439 2006-05-08 Roger Sayle <roger@eyesopen.com>
5440 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5441 of a reg_equiv_constant if the result is a legitimate constant.
5443 2006-06-11 Roger Sayle <roger@eyesopen.com>
5446 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5447 extract a CONST_VECTOR element and interpret it as an integer.
5448 (vspltis_constant): Use const_vector_elt_as_int instead of the
5449 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5450 * config/rs6000/predicates.md (easy_vector_const): Consider
5451 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5453 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5456 * stor-layout.c (update_alignment_for_field): Don't add extra
5457 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5460 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5462 * config/mips/t-rtems: Add EL/EB multilib variants.
5464 2006-06-09 Mike Stump <mrs@apple.com>
5466 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5468 2006-06-09 David Daney <ddaney@avtrex.com>
5470 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5472 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5474 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5476 2006-06-09 Richard Guenther <rguenther@suse.de>
5478 PR tree-optimization/26998
5479 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5480 of signed types, only TYPE_MIN_VALUE is special, but for both,
5481 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5482 in this case, as is -fwrapv.
5484 2006-06-08 Mike Stump <mrs@apple.com>
5487 * config/darwin.c (darwin_asm_output_anchor): Disable
5488 -fsection-anchors on darwin for now.
5489 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5490 * rs6000/rs6000.c (optimization_options): Likewise.
5492 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5495 * config/i386/i386.c (classify_argument): Skip fields with invalid
5498 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5500 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5501 (cse_insn): Likewise for the stack_pointer_rtx.
5503 2006-06-08 Roger Sayle <roger@eyesopen.com>
5505 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5506 conditions from floating point comparisons.
5508 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5511 * expmed.c (struct alg_hash_entry): Fix type of field T
5512 to match synth_mult argument.
5513 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5515 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5518 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5521 2006-06-08 Richard Guenther <rguenther@suse.de>
5524 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5525 only, if overflow is defined and not trapping.
5526 (negate_expr): Likewise.
5528 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5530 PR tree-optimization/27872
5531 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5532 flag on the new exit edge of the unrolled loop.
5534 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5536 PR rtl-optimization/26449
5537 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5539 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5542 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5543 referenced_variables with matching DECL_UID's.
5544 (find_referenced_vars): Make sure duplicate list is empty to start.
5545 (referenced_var_p): Remove.
5546 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5547 Check if var is in the list, and add if needed. Update the duplicate
5548 list if a different var is in the list with the same DECL_UID.
5549 (add_referenced_var): Call routine to check and insert.
5550 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5551 * tree-flow.h (referenced_vars_dup_list): External declaration.
5553 2006-06-07 Fred Fish <fnf@specifix.com>
5555 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5558 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5561 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5562 the imaginary and real parts of a clobbered register.
5563 Emit insn to set the imaginary part.
5565 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5567 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5568 in lieu of unwind-dw2-fde.c.
5570 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5572 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5574 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5577 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5578 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5579 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5580 V4SImode temporaries and operations instead.
5582 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5584 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5587 2006-06-06 Mike Stump <mrs@apple.com>
5589 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5590 installing during build.
5592 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5594 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5596 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5597 * config/ia64/ia64.c (params.h): New header.
5598 (ia64_optimization_options): New function to adjust parameters.
5599 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5600 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5601 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5603 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5605 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5607 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5610 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5612 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5613 Victor Kaplansky <victork@il.ibm.com>
5615 PR tree-optimization/26360
5616 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5619 2006-06-04 Roger Sayle <roger@eyesopen.com>
5620 Andrew Pinski <pinskia@physics.uc.edu>
5623 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5624 for LABEL_DECL before calling DECL_WEAK.
5627 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5628 LABEL_DECL and PARM_DECL.
5630 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5634 * c-decl.c (grokdeclarator): Disallow variably modified types at
5635 file scope. Avoid marking shared array type of constant size as
5638 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5641 * c-common.c (fold_offsetof_1): Handle static members.
5643 2006-06-04 Eric Christopher <echristo@apple.com>
5645 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5646 (debug_rli): Output value for remaining_in_alignment.
5647 (update_alignment_for_field): Unconditionalize
5648 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5649 extra alignment code.
5650 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5651 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5652 * tree.h (record_layout_info_s): Remove prev_packed.
5653 * doc/extend.texi (ms_struct): Add documentation of format.
5655 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5657 * tree.h: Declare folding_initializer.
5658 * builtins.c (fold_builtin_constant_p): Give definite answer
5659 if folding inside an initializer.
5660 * fold-const.c: Define folding_initializer.
5661 (START_FOLD_INIT): Save and then set folding_initializer.
5662 (END_FOLD_INIT): Restore folding_initializer.
5664 2006-06-04 Richard Guenther <rguenther@suse.de>
5666 PR tree-optimization/27039
5667 * fold-const.c (fold_comparison): Handle pointer comparison
5668 again for all comparison codes. Compare offsets in signed
5670 (fold_binary): Move code from here.
5672 2006-06-03 Roger Sayle <roger@eyesopen.com>
5675 * config/i386/i386.c (construct_container): Split static issued_error
5676 flag into issued_sse_arg_error, issued_sse_ret_error and
5677 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5678 requires the use of x87 registers and the user explicitly
5679 specified the -mno-80387 command line option.
5681 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5683 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5684 HAVE_DECL_SIGALTSTACK.
5686 (segv_handler): Use MC_FLD.
5687 * configure.ac: Check for a sigaltstack declaration.
5688 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5689 * configure: Regenerate.
5690 * config.in: Regenerate.
5692 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5695 * Makefile.in (stmp-fixinc): Fix typo.
5697 2006-06-02 Roger Sayle <roger@eyesopen.com>
5699 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5700 are type correct. Clean-up.
5701 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5702 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5704 2006-06-01 DJ Delorie <dj@redhat.com>
5706 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5707 shift, as we've disabled the "switch" insn that needs it.
5709 2006-06-01 Per Bothner <bothner@bothner.com>
5711 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5712 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5713 * c-ppoutput.c (cb_define): Don't increment line 0.
5715 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5717 * doc/invoke.texi: Add cpu_type power6.
5718 * config.gcc: Add cpu_type power6.
5719 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5720 to power5+ with Altivec.
5721 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5722 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5724 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5726 * config/avr/avr.h (SET_ASM_OP): Define.
5728 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5730 * config/bfin/bfin.c: Fix comment typos.
5732 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5735 * doc/install.texi: Document --enable-bootstrap and
5736 --disable-bootstrap.
5738 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5740 * doc/install.texi: Document that InfoZIP can replace jar.
5742 2006-05-31 Roger Sayle <roger@eyesopen.com>
5744 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5745 isn't available, directly generate the simpler x87 patterns without
5746 the (use (const_int 0)).
5747 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5748 implementation isn't available.
5749 (*negdf2_1): Likewise.
5750 (*negxf2_1): XF mode negation is always done using the x87.
5751 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5753 2006-05-31 Roger Sayle <roger@eyesopen.com>
5755 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5756 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5758 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5760 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5762 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5763 * config/bfin/bfin.c (basic-block.h): Include.
5764 (struct machine_function): New.
5765 (bfin_init_machine_status): New.
5766 (override_options): Initialize init_machine_status.
5767 (bfin_hardware_loop): New.
5768 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5769 (DEF_VEC_P (loop_info)): New.
5770 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5771 (struct loop_info): New.
5772 (loop_info): New typedef.
5773 (struct loop_work): New.
5774 (loop_work): New typedef.
5775 (DEF_VEC_O (loop_work)): New.
5776 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5777 (bfin_dump_loops): New.
5778 (bfin_bb_in_loop): New.
5779 (bfin_scan_loop): New.
5780 (bfin_optimize_loop): New.
5781 (bfin_reorg_loops): New.
5782 (bfin_reorg): Use bfin_reorg_loops.
5783 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5785 (I_REGNO_P): Simplify.
5786 (DP_REGNO_P, DPREG_P): New macros.
5787 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5788 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5789 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5790 Add LT_REGS, LC_REGS, LB_REGS.
5791 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5793 (REGNO_REG_CLASS): Deal with loop registers.
5794 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5796 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5797 New constants for loop registers.
5798 (UNSPEC_LSETUP_END): New.
5799 (seq_insns): New define_attr. Set it for appropriate insns.
5800 (movsi_insn): Add alternatives for move from/to
5801 loop count registers.
5802 (doloop_end): New define_expand.
5803 (loop_end): New define_insn.
5804 (define_split for bad doloop_end): New.
5805 (lsetup_with_autoinit): New define_insn.
5806 (lsetup_without_autoinit): New define_insn.
5807 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5808 * config/bfin/predicates.md (lc_register_operand): New.
5809 (lt_register_operand): New.
5810 (lb_register_operand): New.
5811 (nondp_register_operand): New.
5812 (nondp_reg_or_memory_operand): New.
5813 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5815 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5817 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5818 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5820 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5822 * Makefile.in (CATALOGS): Add po/ prefix.
5823 * configure: Regenerated.
5825 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5828 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5829 a shift operand before calling shift_op. Avoid redundant call of
5832 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5833 DJ Delorie <dj@redhat.com>
5835 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5836 we're inserting is a singlt-bit constant.
5838 2006-05-30 Roger Sayle <roger@eyesopen.com>
5840 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5841 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5843 2006-05-30 Roger Sayle <roger@eyesopen.com>
5845 PR tree-optimization/23452
5846 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5847 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5848 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5849 complex values and with -ffast-math for FP complex values.
5851 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5853 * c-common.h: Remove the prototype for yyparse.
5854 * rtl.h: Remove the prototype for init_loop.
5856 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5858 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5861 2006-05-30 Roger Sayle <roger@eyesopen.com>
5863 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5865 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5866 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5868 2006-05-30 Dirk Mueller <dmueller@suse.de>
5871 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5872 for CONSTANT_CLASS_P expresisons.
5874 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5877 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5879 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5881 PR tree-optimization/27779
5882 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5883 initial_condition instead of CHREC_LEFT.
5885 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5887 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5888 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5889 Make prototypes ISO C90.
5891 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5892 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5894 * see.c (see_analyze_one_def): Correct check.
5895 (see_get_extension_data): Check if extension is parallel.
5896 (see_get_extension_reg): Likewise.
5898 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5901 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5902 into register for (code == GTU).
5904 2006-05-29 Roger Sayle <roger@eyesopen.com>
5906 PR tree-optimization/24964
5907 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5908 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5909 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5910 abs(x)*abs(x) as x*x for scalar floating point modes.
5912 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5915 * lambda-code.c (perfect_nestify): Don't copy statements
5916 in the inner loop: move them to the inner loop header.
5918 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5921 * c-tree.texi: Document OpenMP directives and clauses.
5923 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5925 * varasm.c (globalize_decl): Fix indentation.
5927 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5930 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5931 pass_fre, pass_store_ccp, pass_copy_prop,
5932 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5933 pass_return_slot, pass_object_size, pass_lim,
5934 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5935 pass_loop_prefetch and pass_stdarg.
5937 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5939 * config/bfin/bfin.opt (mfdpic): New option.
5940 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5941 (EXTRA_MULTILIB_PARTS): Likewise.
5942 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5943 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5945 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5946 (CRT_CALL_STATIC_FUNCTION): New.
5947 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5949 (CRT_CALL_STATIC_FUNCTION): New.
5950 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5952 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5953 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5954 (initialize_trampoline): Changed to handle FD-PIC code generation.
5955 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5956 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5957 (override_options): Disallow -mid-shared-library -mfdpic combination.
5958 Can't do unaligned ops if FD-PIC.
5959 Turn off flag_pic if trying to generate non-id-shared-library
5960 non-fdpic code, since it's not supported.
5961 (bfin_assemble_integer): New function.
5962 (TARGET_ASM_INTEGER): Define.
5963 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5965 * config/bfin/crtn.s: Restore them.
5966 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5968 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5969 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5970 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5971 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5972 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5974 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5975 FDPIC_REGS and FDPIC_FPTR_REGS.
5976 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5977 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5978 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5979 (load_funcdescsi): New pattern.
5980 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5981 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5982 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5984 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5986 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5989 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5991 * tree-flow.h: Remove the prototype for add_type_alias.
5992 * tree-ssa-alias.c (add_type_alias): Remove.
5994 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5996 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5997 config/fr30/fr30.md, config/i386/i386-interix.h,
5998 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5999 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6000 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6001 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6002 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6003 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6004 Follow spelling conventions.
6005 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6006 Follow spelling conventions.
6008 2006-05-27 Richard Guenther <rguenther@suse.de>
6011 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6012 to produce a constant of value 1 of generic type.
6014 2006-05-27 Dirk Mueller <dmueller@suse.de>
6016 * cgraphunit.c (decide_is_function_needed): Fix wrong
6019 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6021 PR rtl-optimization/27661
6022 * reload.c (find_reloads): When reloading a VOIDmode constant
6023 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6024 use Pmode as mode of the reload register.
6026 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6028 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6029 is enabled at -O and above.
6031 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6034 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6037 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6040 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6041 for anonymous variables explicitly declared by front ends.
6043 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6045 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6046 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6047 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6048 ref-all pointers, run a finalization pass for them.
6049 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6050 (finalize_ref_all_pointers): New function.
6051 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6052 regular pointer type to a ref-all pointer type.
6053 (get_tmt_for): Return the special memory tag for ref-all pointers.
6055 2006-05-25 Richard Guenther <rguenther@suse.de>
6058 * fold-const.c (fold_binary): Do not look at the stripped
6059 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6061 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6063 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6064 for LT and GT if the computed range is effectively empty.
6066 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6069 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6070 mips_quad_format formats instead of ieee_single_format,
6071 ieee_double_format and ieee_quad_format formats, respectively.
6073 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6075 PR tree-optimization/27639
6076 PR tree-optimization/26719
6077 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6078 call to scev_probably_wraps_p.
6079 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6080 used_in_pointer_arithmetic_p, convert_step): Removed.
6081 (nowrap_type_p): New function.
6082 (scev_probably_wraps_p): Rewritten.
6083 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6084 chrec_convert if chrec_convert_aggressive might have been used.
6085 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6086 scev_direction): New functions.
6087 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6088 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6089 instead of convert_step.
6090 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6091 (convert_step): Declaration removed.
6092 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6094 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6096 * df-core.c: Added to header comments.
6097 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6098 df_ur_bb_info, df_urec_bb_info): Added comments.
6099 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6100 urec, ri problems): Fixed header comments.
6101 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6102 code from df_rd_transfer_function.
6104 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6106 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6107 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6108 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6110 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6112 * expr.c (undefined_operand_subword_p): New.
6113 (emit_move_multi_word): Do not generate move from undefined bits
6114 of a paradoxical subreg.
6116 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6118 PR rtl-optimization/27736
6119 * combine.c (replaced_rhs_value): New variable.
6120 (combine_instructions): Set it.
6121 (distribute_notes): When distributing a note in replaced_rhs_insn,
6122 check whether the value was used in replaced_rhs_value.
6124 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6127 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6128 add_referenced_var instead of add_referenced_tmp_var.
6129 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6130 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6132 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6133 tree_optimize_tail_calls_1): Use add_referenced_var.
6134 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6135 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6136 Use add_referenced_var.
6137 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6138 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6139 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6140 Use add_referenced_var.
6141 * tree-dfa.c (struct walk_state): Remove.
6142 (find_referenced_vars): Remove walk state and vars_found hash table.
6143 (make_rename_temp): Use add_referenced_var.
6144 (find_vars_r): Pass less parameters to add_referenced_var.
6145 (referenced_var_p): New. Is var in referenced_var hash table.
6146 (referenced_var_insert): Assert var isn't already in hash table.
6147 (add_referenced_var): Don't need walk_state parameter. Add var if it
6148 isn't already in the hash table.
6149 (add_referenced_tmp_var): Remove.
6150 (find_new_referenced_vars_1): Use add_referenced_var.
6151 * tree-ssa-pre.c (create_expression_by_pieces,
6152 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6153 Use add_referenced_var.
6154 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6155 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6156 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6158 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6159 vect_create_data_ref_ptr, vect_create_destination_var,
6160 vect_init_vector, vect_build_loop_niters,
6161 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6162 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6163 Use add_referenced_var.
6164 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6165 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6166 (add_referenced_var): Add prototype.
6167 * tree-ssa-structalias.c (get_constraint_for,
6168 intra_create_variable_infos): Use add_referenced_var.
6170 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6172 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6173 big-endian paradoxical subregs.
6174 * var-tracking.c (struct micro_operation_def): Document that,
6175 for modify micro operations, insn is the subsequent instruction.
6176 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6177 (var_reg_set, var_mem_set): ... new functions.
6178 (add_stores): Record subsequent insn.
6179 (compute_bb_dataflow): Use new functions for MO_USE.
6180 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6181 notes after the insn, and modify notes before the insn known
6182 to be the subsequent one.
6183 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6185 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6188 * config/i386/i386.c (ix86_expand_builtin): Use
6189 gen_sse3_monitor64 for TARGET_64BIT.
6191 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6193 PR rtl-optimization/26375
6194 PR rtl-optimization/26855
6195 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6197 (df_ru_bb_local_compute): Reversed statements and removed bogus
6198 comment explaining why they should be in wrong order.
6199 (df_ru_dump, df_rd_dump): Enhanced debug info.
6200 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6202 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6203 reaching uses and fixed space problem.
6205 2006-05-23 Jan Hubicka <jh@suse.cz>
6207 * cgraphunit.c (decide_is_function_needed): Also nested functions
6208 and functions declared inline can be optimized out at -O0.
6210 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6212 * doc/install.texi (Configuration): Remove reference to CrossGCC
6216 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6219 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6220 ix86_compare_emitted is non-NULL.
6222 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6225 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6228 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6230 PR rtl-optimization/25514
6231 * combine.c (replaced_rhs_insn): New variable.
6232 (combine_instructions): Set replaced_rhs_insn when trying to replace
6233 a SET_SRC with a REG_EQUAL note.
6234 (distribute_notes): Use replaced_rhs_insn when determining the live
6235 range of a REG_DEAD register.
6237 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6238 Anatoly Sokolov <aesok@post.ru>
6240 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6241 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6242 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6243 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6244 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6245 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6246 at90usb647, at90usb1286 and at90usb1287 devices.
6247 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6248 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6250 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6252 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6254 2006-05-22 Richard Guenther <rguenther@suse.de>
6257 2006-01-31 Richard Guenther <rguenther@suse.de>
6258 Paolo Bonzini <bonzini@gnu.org>
6260 * doc/install.texi (--disable-libgcc-math): Document.
6262 2006-05-22 Richard Guenther <rguenther@suse.de>
6265 2006-01-31 Richard Guenther <rguenther@suse.de>
6267 * doc/invoke.texi (-msselibm): Document.
6268 * target.h (expand_library_builtin): New target hook.
6269 * builtins.c (expand_builtin): Use expand_library_builtin.
6270 (default_expand_library_builtin): New function.
6271 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6272 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6273 (link_gcc_math_spec): Declare.
6274 (static_specs): Add link_gcc_math_spec.
6275 * expr.h (default_expand_library_builtin): Declare.
6276 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6277 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6278 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6279 * config/i386/i386.opt (msselibm): New target option.
6280 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6281 (ix86_init_sse_abi_builtins): New function.
6282 (ix86_expand_library_builtin): Likewise.
6283 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6284 (override_options): Handle error conditions wrt -msselibm.
6285 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6286 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6287 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6290 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6293 * c-common.c (self_promoting_args_p): Skip erroneous args.
6296 * c-decl.c (finish_struct): Skip erroneous fields.
6298 2006-05-22 Nick Clifton <nickc@redhat.com>
6300 * config/cris/cris.opt (march): Remove VarExists attribute.
6301 (max-stackframe=): Likewise.
6303 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6305 * doc/rtl.texi: Fix a typo.
6306 * see.c: Fix comment typos.
6308 * tree-ssa-structalias.h (alias_info): Remove num_references.
6310 2006-05-21 Mike Stump <mrs@apple.com>
6312 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6314 (darwin_pragma_options): Use BAD instead.
6315 (darwin_pragma_unused): Likewise.
6316 (darwin_pragma_ms_struct): Likewise.
6318 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6320 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6322 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6324 PR rtl-optimization/27671
6325 * simplify-rtx.c (simplify_relational_operation_1): Fix
6326 simplifications of (eq/ne (xor x y) y) and
6327 (eq/ne (xor x y) x).
6329 PR tree-optimization/26622.
6330 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6333 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6335 * tree-cfg.c: Prune whitespace.
6336 (debug_tree_cfg): Point to correct header containing the
6339 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6342 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6344 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6347 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6348 or sorry count is non zero.
6350 2006-05-20 Andreas Schwab <schwab@suse.de>
6352 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6354 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6355 Kenneth Zadeck <zadeck@naturalbridge.com>
6357 PR rtl-optimization/26855
6359 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6361 (df_scan_alloc): Added code to properly handle multiword hard
6362 registers and add all_blocks parameter.
6363 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6364 code to properly handle multiword hard registers.
6365 (df_rescan_blocks): Added code to remove deleted blocks from
6367 (df_ref_create_structure, df_ref_record): Added code to properly
6369 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6370 and set DF_REF_PARTIAL.
6371 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6372 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6373 (df_scan_add_problem): Added flags parameter.
6374 (df_ref_create_structure): Changed switching structure.
6375 (df_bb_refs_record): Fixed case where duplicate artificial refs
6376 were created. Changed location of flags.
6377 (df_record_entry_block_defs): Added code to make stack pointer
6378 live in entry block. Refined cases where frame pointer is needed.
6379 Changed location of flags.
6380 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6381 (df_set_state): Removed function.
6382 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6383 df_insn_create_insn_record, df_insn_refs_delete,
6384 df_ref_create_structure): Formatting changes.
6385 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6386 df_delete_basic_block): New function.
6387 (df_init): Changed location of flags.
6388 (df_add_problem): Added flags parameter and the way flags are
6390 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6391 debug_df_chain): Improved debugging output.
6392 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6393 (df_refs_chain_dump): Removed df parameter.
6394 (df_iterative_dataflow): Added consistency check.
6395 (df_prune_to_subcfg): Made public.
6396 (df_analyze_problem): Added blocks_to_init parameter and made
6398 (df_ref_record, df_bb_refs_record, df_mark_reg,
6399 df_record_exit_block_uses): Whitespace changes.
6400 (df_dump): Whitespace changes.
6401 * df.h: Some reordering to remove forward references.
6402 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6403 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6404 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6405 (dataflow.flags): New field.
6406 (df.flag): Deleted field.
6407 (df_alloc_function): Added additional bitmap parameter.
6408 (df_dependent_problem_function): New type.
6409 (df_problem.changeable_flags): New field.
6410 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6411 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6412 (df_mw_hardreg): New struct.
6413 (DF_INSN_UID_MWS): New macro.
6414 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6416 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6417 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6418 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6419 (df_set_state): Removed function.
6420 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6421 * df-problems.c (df_chain_dump): Removed df parameter.
6422 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6423 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6425 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6426 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6427 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6428 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6429 DF_REF_MUST_CLOBBER cases.
6430 (df_ru_bb_local_compute_process_def,
6431 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6432 df_lr_bb_local_compute, df_ur_bb_local_compute,
6433 df_chain_create_bb): Made subreg aware.
6434 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6435 df_lr_bb_local_compute, df_lr_bb_local_compute,
6436 df_chain_create_bb): Cleanup to use proper macros.
6437 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6438 code to fixup bitvectors.
6439 (df_ri_alloc): Cleared lifetime.
6440 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6441 df_create_unused_note): New function.
6442 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6443 REG_DEAD and REG_UNUSED notes as well as register information.
6444 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6445 df_chains_dump): Fixed crash if problem was never run.
6446 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6447 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6448 df_ri_add_problem): Processes flags in uniform manner.
6449 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6450 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6451 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6452 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6453 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6454 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6455 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6456 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6457 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6458 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6459 * see.c (see_initialize_data): Ditto.
6460 * final.c (rest_of_clean_state) Added regstack_completed.
6461 * rtl.h (regstack_completed): Ditto.
6462 * reg-stack.c (regstack_completed): Ditto.
6464 2006-05-19 Mike Stump <mrs@apple.com>
6466 * c-tree.h (default_conversion): Remove.
6467 * c-common.h (default_conversion): Add.
6469 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6471 * tree-vrp.c (valid_value_p): New function.
6472 (adjust_range_with_scev): Fail if the value of bound is not
6475 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6477 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6478 (mips_fallback_frame_state): Use syscall numbers to determine
6479 the appropriate li instruction for the current ABI. Only use
6480 __NR_sigreturn for o32.
6482 2006-05-19 Nicolas Setton <setton@adacore.com>
6484 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6485 * langhooks.c (lhd_dwarf_name): New function.
6486 * langhooks-def.h (lhd_dwarf_name): Declare.
6487 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6488 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6489 * ada/misc.c (gnat_dwarf_name): New function.
6490 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6492 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6494 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6496 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6497 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6498 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6499 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6500 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6501 determine the size of Wtype, etc.
6502 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6503 (swfloatfuncs): New variable.
6504 (dwfloatfuncs): Likewise.
6505 (lib2funcs): Remove floating-point conversion functions from
6506 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6507 the set of conversion routines needed. Allow entries to specify
6508 an object name, filename and word size. Update users accordingly.
6509 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6510 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6514 2006-02-08 Roger Sayle <roger@eyesopen.com>
6517 * config/fixtfdi.c: New libgcc source file.
6518 * config/fixunstfdi.c: New source file.
6519 * config/floatditf.c: New source file.
6520 * config/floatunditf.c: New souce file.
6521 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6522 files above instead of config/mips/_tilib.c.
6523 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6525 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6527 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6528 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6530 2006-05-18 Mike Stump <mrs@apple.com>
6532 Fix up vla, vm and [*] sematics.
6538 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6539 (c_vla_unspec_p): Add.
6540 (c_vla_type_p): Add.
6541 * c-decl.c (struct c_scope): Add had_vla_unspec.
6542 (build_array_declarator): Add support for [*].
6543 (grokdeclarator): Likewise.
6544 (grokparms): Likewise.
6545 (get_parm_info): Likewise.
6546 * c-objc-common.c (c_vla_unspec_p): Likewise.
6547 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6548 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6549 typeof when argument is a variably modified type not inside sizeof or alignof.
6550 (c_parser_direct_declarator_inner): Propagate errors.
6551 (c_parser_sizeof_expression): Add support for [*].
6552 (c_parser_parms_declarator): Initialize had_vla_unspec.
6553 (c_parser_parms_list_declarator): Likewise.
6554 * c-typeck.c (c_vla_type_p): Add.
6555 (composite_type): Add support for vla compositing.
6556 (comptypes_internal): Add support for vla compatibility.
6557 (c_expr_sizeof_expr): Evaluate vla arguments.
6558 * tree.c (variably_modified_type_p): Update comment for [*].
6560 2006-05-18 Michael Matz <matz@suse.de>
6563 * config.host: Make assignments to host_xmake_file cumulative.
6564 * config.host (*-darwin*): Test $host, not $target.
6566 2006-05-12 Stuart Hastings <stuart@apple.com>
6568 * config/i386/i386.opt (-mstackrealign): New flag.
6569 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6570 (ix86_handle_cconv_attribute): Emit error when
6571 force_align_arg_pointer attribute collides with too many regparms.
6572 (ix86_function_regparm): Limit regparms when used with
6573 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6574 Support stack-realigning prologue in non-main functions. Emit
6575 warning for nested functions under -mstackrealign, emit error for
6576 nested functions with force_align_arg_pointer attribute.
6577 * doc/extend.texi (force_align_arg_pointer): Document it.
6578 * doc/invoke.texi (-mstackrealign): Document it.
6580 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6582 PR rtl-optimization/27477
6583 * combine.c (try_combine): Don't split a parallel consisting
6584 of two sets into two individual sets if both sets reference
6587 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6589 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6590 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6592 * doc/options.texi (VarExists): Updated.
6594 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6596 * unwind-dw2.c: Add declarations for uw_update_context and
6598 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6599 detected, advance frame state and context once to skip over stub.
6601 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6605 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6606 Call rewrite_into_loop_closed_ssa only when something changed.
6607 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6608 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6609 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6610 Test for perfect_nest_p here. Fix formating.
6611 (replace_uses_equiv_to_x_with_y): Fix formating.
6612 (stmt_uses_op): Removed.
6613 (can_convert_to_perfect_nest): Removed loopivs parameter.
6614 Complete the test by checking the scalar dependences.
6615 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6618 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6621 From Dan Kegel <dank@kegel.com>:
6622 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6624 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6626 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6627 if the element type is variably modified without recursing.
6629 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6632 * tree-loop-linear.c (try_interchange_loops): Test for
6633 no data dependences.
6635 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6637 PR tree-optimization/27548
6638 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6639 range of ssa names that appear on abnormal edges.
6640 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6641 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6643 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6646 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6648 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6651 * tree.h (OMP_PARALLEL_COMBINED): Define.
6652 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6653 (new_omp_context): Add is_combined_parallel argument.
6654 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6655 new_omp_context caller.
6656 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6657 Adjust gimplify_scan_omp_clauses callers.
6658 (omp_is_private): Issue errors if iteration variable is firstprivate
6659 or reduction in the current context.
6660 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6661 on combined parallel workshare constructs.
6663 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6665 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6666 (gcc-options.o): New rule.
6668 * optc-gen.awk: Protect variables for gcc-options.o with
6669 #ifdef GCC_DRIVER/#endif.
6671 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6673 Fix PR tree-optimization/27373
6674 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6675 (forward_propagate_addr_expr): Update call.
6677 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6679 * doc/options.texi: Move the Negative option.
6681 2006-05-16 Richard Guenther <rguenther@suse.de>
6683 PR tree-optimization/22303
6684 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6686 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6687 ccp_fold did not simplify the statement.
6689 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6692 * Makefile.in (GCC_OBJS): New.
6693 (OBJS-common): Add opts-common.o.
6694 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6695 (cpp$(exeext)): Likewise.
6696 (gcc.o): Also depend on opts.h.
6697 (opts-common.o): New.
6699 * common.opt (gcoff): Add Negative(gdwarf-2).
6700 (gdwarf-2): Add Negative(gstabs).
6701 (gstabs): Add Negative(gstabs+).
6702 (gstabs+): Add Negative(gvms).
6703 (gvms): Add Negative(gxcoff).
6704 (gxcoff): Add Negative(gxcoff+).
6705 (gxcoff+): Add Negative(gcoff).
6706 * config/i386/i386.opt (m32): Add Negative(m64).
6707 (m64): Add Negative(m32).
6709 * doc/options.texi: Document the Negative option.
6711 * gcc.c: Include "opts.h".
6712 (main): Call prune_options after expandargv.
6714 * optc-gen.awk: Generate common declarations for all flag
6715 variables in options.c. Output the neg_index field.
6717 * opts.c (find_opt): Moved to ...
6718 * opts-common.c: Here. New file.
6720 * opts.h (cl_option): Add a neg_index field.
6722 (prune_options): Likewise.
6724 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6727 * omp-low.c (expand_omp_parallel): Don't assert
6728 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6729 instead search for it.
6732 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6735 2006-05-16 Andreas Schwab <schwab@suse.de>
6737 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6740 2006-05-15 Roger Sayle <roger@eyesopen.com>
6743 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6744 integer constants other than zero are only legitimate on TARGET_64BIT.
6745 <CONST_VECTOR> Only zero vectors are legitimate.
6746 (ix86_cannot_force_const_mem): Integral and vector constants can
6747 always be put in the constant pool.
6749 2006-05-16 DJ Delorie <dj@redhat.com>
6751 * crtstuff.c (__dso_handle): Set section from
6752 TARGET_LBIGCC_SDATA_SECTION if defined.
6753 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6754 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6756 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6759 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6762 2006-05-16 Ben Elliston <bje@au.ibm.com>
6764 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6766 2006-05-15 Per Bothner <per@bothner.com>
6768 * tree.c: (last_annotated_node): Use source_locus typedef.
6769 This permits bootstrapping with --enable-mapped-location.
6771 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6773 PR tree-optimization/26830
6774 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6775 (info_for_ssa_name, current_info_for_ssa_name_age,
6776 blocks_to_update): New variables.
6777 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6778 (clear_ssa_name_info, initialize_flags_in_bb,
6779 mark_block_for_update): New functions.
6780 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6781 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6782 prepare_def_site_for): Use mark_block_for_update.
6783 (mark_def_interesting): Assert that the processed block is marked in
6784 blocks_to_update. Do not take blocks argument.
6785 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6787 (rewrite_update_init_block, rewrite_update_stmt): Only process
6788 blocks with statements to rewrite.
6789 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6790 (update_ssa): Initialize and free blocks_to_update. Do not
6791 clear flags on statements. Do not use blocks bitmap.
6792 * tree.h (SSA_NAME_AUX): Removed.
6793 (struct tree_ssa_name): Removed aux field.
6794 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6796 2006-05-15 Richard Guenther <rguenther@suse.de>
6798 PR tree-optimization/27603
6799 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6800 Do computations in original type.
6802 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6804 * see.c: Code style changes such as redundant paranthesis,
6805 redundant intialization of local variables etc.
6806 (see_main): Declared now as static.
6807 * doc/invoke.texi: Update that -fsee is not enabled by
6810 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6812 * omp-low.c (check_omp_nesting_restrictions): New function.
6813 (scan_omp_1): Call it.
6816 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6817 construct, return *VAR.
6819 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6821 PR rtl-optimization/27406
6822 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6825 2006-05-14 Roger Sayle <roger@eyesopen.com>
6827 PR rtl-optimization/27538
6828 * combine.c (expand_compound_operation): Call gen_lowpart
6829 before calling simplify_shift_const.
6831 2006-05-14 Roger Sayle <roger@eyesopen.com>
6833 PR rtl-optimization/22563
6834 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6835 a fixed width bitfield, always force the intermediates into psuedos.
6837 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6840 * mkconfig.sh: Use operator = instead of == for test.
6842 2006-05-13 Nick Clifton <nickc@redhat.com>
6844 * dwarf2out.c (dbx_reg_number): Check return value from
6845 LEAF_REG_REMAP and only use it if it is valid.
6846 (multiple_reg_loc_descriptor): Likewise.
6848 2006-05-13 Richard Guenther <rguenther@suse.de>
6850 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6853 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6855 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6856 information attached to non-INSNs such as NOTEs.
6857 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6859 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6861 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6863 * config/s390/s390.md: Adjust comment describing On constraint.
6865 2006-05-11 Jan Hubicka <jh@suse.cz>
6867 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6868 to be output at -O0.
6870 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6873 * fold-const.c (size_binop): Move sanity check for arguments to
6874 the beginning of the function.
6877 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6880 2006-05-11 Richard Guenther <rguenther@suse.de>
6883 * fold-const.c (fold_unary): Handle intermediate conversion
6884 to a pointer type like intermediate conversion to an integer
6885 type in folding of (T1)(T2)var to var.
6886 Match the code to the comment in the final conversion for
6887 (T1)(T2)var to (T1)var regarding to type precision. Rather
6888 than disallow T1 being of pointer type, assert that both T1
6889 and var are of pointer type or not. Make sure not to fall
6890 over the frontends lazyness wrt array to pointer decay though.
6892 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6894 * arm.c (arm_struct_value_rtx): Delete.
6895 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6896 (arm_init_cumulative_args): Always initialize nregs to zero.
6898 2006-05-10 Richard Guenther <rguenther@suse.de>
6900 PR tree-optimization/27532
6901 * tree-object-size.c (plus_expr_object_size): Fix typo.
6903 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6906 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6907 ashrdi_const, ashrdi3): Use a scratch register.
6909 2006-05-10 Richard Guenther <rguenther@suse.de>
6911 PR tree-optimization/27302
6912 * fold-const.c (operand_equal_p): For two comparisons,
6913 try comparison of one comparison code swapped if that yields
6916 2006-05-10 Ben Elliston <bje@au.ibm.com>
6918 * tree-pretty-print.c (pretty_print_string): No need to handle
6919 '\0' as a special character.
6921 * tree.h: Include "hashtab.h".
6922 (iterative_hash_expr): Use hashval_t in its prototype.
6923 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6925 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6928 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6929 (hppa*64*-*-hpux11*): Ditto.
6930 (hppa[12]*-*-hpux11*): Ditto.
6932 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6935 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6937 2006-05-09 Michael Matz <matz@suse.de>
6939 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6940 host_extra_gcc_objs and host_xmake_file.
6941 (<*-*-linux*>): Don't overwrite host_xmake_file.
6942 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6943 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6944 (host_detect_local_cpu): Declare.
6945 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6946 * config/i386/i386.c (override_options): Handle -mtune=native
6948 * config/i386/x-i386: New file.
6949 * config/i386/driver-i386.c: New file.
6950 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6953 2006-05-09 Dirk Mueller <dmueller@suse.de>
6954 Richard Guenther <rguenther@suse.de>
6957 * fold-const.c (fold_read_from_constant_string): Relax check
6958 for matching types to matching modes.
6960 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6962 PR rtl-optimization/27335
6963 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6966 2006-05-08 Chao-ying Fu <fu@mips.com>
6967 Richard Sandiford <richard@codesourcery.com>
6969 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6970 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6971 * config/mips/mips.md (UNSPEC_SCC): New constant.
6972 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6973 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6974 (mips_emit_compare): Use it.
6975 (mips_expand_vcondv2sf): New function.
6977 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6979 Fix PR tree-optimization/27093
6980 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6981 renaming when they become not-used_alone.
6983 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6985 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6986 relocation and relocation stubs.
6988 2006-05-08 Eric Christopher <echristo@apple.com>
6990 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6993 2006-05-08 Jan Hubicka <jh@suse.cz>
6996 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6997 unused static functions are needed.
6999 2006-05-08 Roger Sayle <roger@eyesopen.com>
7002 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7003 of a reg_equiv_constant if the result is a legitimate constant.
7005 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7008 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7009 standard 80387 constants, raise the cost to prevent
7010 compress_float_constant() to generate load from memory.
7012 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7014 * config/arm/constraints.md (c): Fix a typo.
7016 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7019 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7022 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7024 (_mm_mwait): Likewise.
7026 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7028 (sse3_monitor): Make it 32bit only.
7029 (sse3_monitor64): New. 64bit monitor.
7031 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7034 * config/i386/i386.c (classify_argument): Skip fields with invalid
7037 2006-05-07 Richard Guenther <rguenther@suse.de>
7039 PR tree-optimization/27409
7040 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7041 Do not try to find zero-sized subvars.
7043 2006-05-07 Richard Guenther <rguenther@suse.de>
7045 PR tree-optimization/27136
7046 * tree-ssa-loop-niter.c (get_val_for): Correct function
7047 comment, assert requirements.
7048 (loop_niter_by_eval): Stop processing if the iterated
7049 value did not simplify.
7051 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7053 * opts.c (flag_see): remove its setting at -O3.
7055 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7057 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7058 * arm/constraints.md: New file.
7059 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7060 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7061 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7062 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7063 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7064 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7065 * arm.md: Include constraints.md.
7066 (thumb_movsi_insn): Use satisfies_constraint_J.
7067 (movhi, movqi): Use satisfies_constraint_I.
7069 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7071 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7072 for atmeg a645 device.
7074 2006-05-06 Richard Guenther <rguenther@suse.de>
7076 PR tree-optimization/27151
7077 * tree-vect-transform.c (vectorizable_condition): Punt on
7078 values that have a different type than the condition.
7080 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7083 * c-parser.c (c_parser_cast_expression): Only insert casts into
7084 hash table if pointer.
7085 * function.c (used_types_insert_helper): Rename from
7087 (used_types_insert): Call used_types_insert_helper.
7088 * function.h (used_types_insert): Accept only one argument.
7090 2006-05-05 David Edelsohn <edesohn@gnu.org>
7092 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7093 scratch with output modifier.
7095 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7098 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7099 with output modifier.
7101 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7104 * config/mips/mips.c (mips_symbolic_address_p): Return true
7105 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7106 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7108 2006-05-04 Richard Guenther <rguenther@suse.de>
7110 PR tree-optimization/14287
7111 PR tree-optimization/14844
7112 PR tree-optimization/19792
7113 PR tree-optimization/21608
7114 PR tree-optimization/27090
7115 * tree-ssa-pre.c (try_combine_conversion): New function.
7116 (compute_avail): After constructing the value-handle
7117 expression, use try_combine_conversion to combine NOP_EXPRs
7118 with previous value-handle expressions and use the result if it
7121 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7123 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7125 2006-05-04 Jan Hubicka <jh@suse.cz>
7128 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7130 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7132 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7133 that this only matches CONST_INTs. All users changed to VOIDmode
7136 * config/bfin/bfin.c: Include "optabs.h".
7137 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7139 (enum bfin_builtins): Add a number of fractional and vector builtins.
7140 (bfin_init_builtins): Likewise.
7141 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7142 (safe_vector_operand, bfin_expand_binop_builtin,
7143 bfin_expand_unop_builtin): New functions.
7144 (bfin_expand_builtin): Handle the new builtins.
7145 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7148 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7151 * Makefile.in (OBJS-common): Add see.o.
7152 (see.o): Add dependencies.
7153 * common.opt (fsee): New flag for the see optimization was added.
7154 * opts.c (flag_see): Initialized.
7155 * passes.c (init_optimization_passes, pass_see): New pass.
7156 * rtl.h (see_main): Declaration as extern.
7157 * timevar.def (TV_SEE): New.
7158 * tree-pass.h (pass_see): Declaration as extern.
7159 * invoke.texi (-fsee): Document.
7160 * recog.c (validate_simplify_insn): New function.
7161 * recog.h (validate_simplify_insn): Declaration as extern.
7162 * df-problems.c (df_chain_dump): Check for NULL.
7164 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7165 Daniel Berlin <dberlin@dberlin.org>
7167 * cfgrtl.c (insert_insn_bb_end_new): New function.
7168 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7170 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7172 * df.h (struct web_entry): Moved from web.c.
7173 (union_defs): Declaration as extern.
7174 (unionfind_root): Likewise.
7175 (unionfind_union): Likewise.
7176 * web.c (struct web_entry): Moved to df.h.
7177 (unionfind_root): Remove static declaration.
7178 (unionfind_union): Likewise.
7179 (union_defs): Likewise and generalize to use callback function.
7180 (web_main): Update arguments for union_defs function call.
7182 2006-05-04 Richard Guenther <rguenther@suse.de>
7184 PR tree-optimization/26447
7185 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7186 produce SSA_NAME copies before the store stmt to avoid
7187 breaking exception handling.
7189 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7192 * gimplify.c (omp_is_private): If var is shared in some outer context,
7193 return false instead of true. Stop searching on parallel context
7196 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7199 * coverage.c: Use get_gcov_unsigned_t() instead of
7200 unsigned_type_node all over.
7202 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7204 PR tree-optimization/27381
7205 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7206 maintain the same immediate_use links.
7207 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7208 node rather than segfaulting.
7210 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7213 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7214 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7215 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7217 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7219 Fix PR tree-optimization/26626
7220 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7222 * tree-ssa-operands.c (access_can_touch_variable): Allow
7223 typecasting through union pointers.
7225 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7228 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7229 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7230 to find if var will be a global variable even in the nested context.
7231 (omp_copy_decl): Only check for global variable at the end, it might
7232 be overridden in outer contexts.
7233 (scan_sharing_clauses): For global variables don't create a field.
7234 (lower_rec_input_clauses): Do nothing for global shared variables.
7235 Emit a barrier at the end of ILIST if there were any decls in both
7236 firstprivate and lastprivate clauses.
7237 (lower_send_clauses): Do nothing for global variables except for
7240 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7242 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7243 of the correct signedness is returned.
7245 2006-05-02 Jeff Law <law@redhat.com>
7247 PR tree-optimization/27364
7248 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7249 multiply expressions.
7251 2006-05-02 Tom Tromey <tromey@redhat.com>
7253 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7255 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7258 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7259 -mthumb -fPIC are used.
7261 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7262 Joshua Kinard <kumba@gentoo.org>
7265 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7266 with 64-bit pointers.
7268 2006-05-02 Paul Brook <paul@codesourcery.com>
7270 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7272 (create_fix_barrier): Check that a suitable barrier location is
7274 (arm_reorg): Include ftmp->address in allowable range of addresses.
7276 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7279 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7282 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7285 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7286 around RESULT_DECL for result passed by reference.
7287 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7288 * omp-low.c (use_pointer_for_field): Don't look at
7289 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7290 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7291 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7292 time or var for passing by reference for
7293 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7294 TREE_ADDRESSABLE variables when passing by reference.
7296 * omp-low.c (dump_omp_region): Fix output formatting.
7299 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7300 (expand_omp_parallel): Likewise.
7301 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7304 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7305 on statement list containing also constructors and destructors.
7306 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7309 * except.c (duplicate_eh_regions): Fix clearing of
7310 cfun->eh->region_array entries.
7312 2006-05-01 DJ Delorie <dj@redhat.com>
7314 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7316 (gcc_cv_objdump): Likewise.
7317 * configure: Regenerated.
7319 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7322 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7323 templates for case 3 and 4.
7325 2006-05-01 DJ Delorie <dj@redhat.com>
7327 * vec.c: Include bconfig.h when appropriate.
7328 * Makefile.in (build/vec.o): Adjust dependencies.
7329 * mkconfig.sh: Make sure config.h isn't used for build machine
7332 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7334 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7336 (mark_phi_for_rewrite): New function.
7337 (insert_phi_nodes_for, mark_use_interesting): Call
7338 mark_phi_for_rewrite.
7339 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7340 (update_ssa): Initialize and free phis_to_rewrite.
7342 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7344 PR rtl-optimization/27291
7345 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7346 folded to a constant.
7348 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7350 PR tree-optimization/27283
7351 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7352 not whole # of iteration descriptions.
7353 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7354 uses abnormal ssa name.
7355 (niter_for_single_dom_exit): Ditto.
7356 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7357 return just the number of iterations.
7359 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7361 PR tree-optimization/27144
7362 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7363 (record_estimate): Only record constant upper bound.
7364 (infer_loop_bounds_from_undefined): Call
7365 compute_estimated_nb_iterations just once.
7366 (proved_non_wrapping_p): Renamed to ...
7367 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7368 (convert_step_widening, scev_probably_wraps_p): Call
7369 n_of_executions_at_most instead of proved_non_wrapping_p.
7370 (substitute_in_loop_info): Do not replace values in bounds.
7371 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7374 2006-05-01 Richard Henderson <rth@redhat.com>
7377 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7378 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7381 2006-05-01 Roger Sayle <roger@eyesopen.com>
7383 * c-typeck.c (parser_build_binary_op): Don't call the function
7384 unsigned_conversion_warning to spot operand/result type overflow.
7385 (build_binary_op): Instead, call convert_and_check instead of
7386 convert to report the problem when the operands are promoted.
7387 * c-common.c (unsigned_conversion_warning): Make static.
7388 * c-common.h (unsigned_conversion_warning): Delete prototype.
7390 2006-05-01 Richard Guenther <rguenther@suse.de>
7392 PR tree-optimization/26726
7393 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7395 (find_interesting_uses_address): ... we work around here
7396 by folding INDIRECT_REFs in the substituted base.
7398 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7400 * omp-low.c (dump_omp_region): Add newlines.
7402 2006-04-30 Roger Sayle <roger@eyesopen.com>
7404 * common.opt (Woverflow): New command line option.
7405 * c-common.c (constant_expression_warning): Check warn_overflow.
7406 (overflow_waring): Pass OPT_Woverflow to warning.
7407 (unsigned_conversion_warning): Likewise.
7408 (convert_and_check): Likewise.
7409 * doc/invoke.texi: Document new command line option.
7411 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7413 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7414 TARGET_NO_FP_IN_TOC for section anchors.
7415 (optimization_options): Enable section anchors for all
7416 non-"Objective" languages.
7418 2006-04-28 Eric Christopher <echristo@apple.com>
7420 * config/darwin-c.c (darwin_ms_struct): Move this
7421 (darwin_set_default_type_attributes): and this...
7422 * config/darwin.c: ... here.
7423 * config/darwin.h (darwin_ms_struct): Declare.
7425 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7427 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7429 2006-04-28 Roger Sayle <roger@eyesopen.com>
7432 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7433 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7434 an unsigned HOST_WIDE_INT.
7435 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7437 (really_start_incremental_init): No need to call convert because
7438 bitsize_zero_node is already of type bitsizetype.
7439 (push_init_level): Extract the value of constructor_index as an
7440 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7441 (process_init_element): Likewise.
7443 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7445 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7446 value before passing to make_relative_prefix.
7448 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7451 * builtins.c (expand_builtin_memset): Expand val in original mode.
7453 2006-04-27 Eric Christopher <echristo@apple.com>
7455 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7456 with #ifndef/#endif.
7457 * config/darwin-c.c (darwin_ms_struct): New.
7458 (darwin_pragma_ms_struct): Ditto.
7459 (darwin_set_default_type_attributes): Ditto.
7460 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7461 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7462 Register ms_struct pragma.
7463 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7464 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7465 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7466 darwin_set_default_type_attributes if TARGET_MACHO.
7468 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7470 PR tree-optimization/26854
7471 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7472 * doc/tree-ssa.texi: Update immuse iterator documentation.
7473 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7474 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7475 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7476 first_safe_imm_use, next_safe_imm_use): Remove.
7477 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7478 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7479 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7480 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7481 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7482 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7483 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7484 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7485 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7486 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7487 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7488 (perfect_nestify): Use new iterator.
7489 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7491 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7492 (next_imm_name): New field in struct immediate_use_iterator_d.
7493 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7494 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7495 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7496 * tree-cfg.c (replace_uses_by): Use new iterator.
7497 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7498 * tree-ssa-operands.c (correct_use_link): Remove.
7499 (finalize_ssa_use_ops): No longer call correct_use_link.
7501 2006-04-27 Stuart Hastings <stuart@apple.com>
7503 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7504 * config/t-darwin (crt3.o): Use it.
7505 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7506 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7507 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7508 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7509 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7512 2006-04-27 Roger Sayle <roger@eyesopen.com>
7514 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7515 size, force the intermediate into a new pseudo rather instead of
7516 performing both a bitwise AND and a bitwise IOR in memory.
7518 2006-04-27 Richard Guenther <rguenther@suse.de>
7520 PR rtl-optimization/26685
7521 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7522 this one "max-flow-memory-locations".
7524 2006-04-27 Richard Guenther <rguenther@suse.de>
7526 PR tree-optimization/25148
7527 * tree-vrp.c (compare_values): Remove code dealing with
7528 comparisons against type min/max value. Honour overflow
7529 and negative constants in code dealing with comparisons
7530 of plus and minus expressions.
7531 (value_inside_range): Use fold_binary with LE_EXPR and
7532 GE_EXPR rather than compare_values.
7534 2006-04-27 Dirk Mueller <dmueller@suse.de>
7536 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7539 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7541 * basic-block.h (safe_insert_insn_on_edge): Removed.
7542 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7544 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7545 Paolo Bonzini <bonzini@gnu.org>
7548 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7549 (simplify_and_const_int): Same.
7551 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7553 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7555 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7558 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7559 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7560 cgraph_global_info_ready.
7563 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7566 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7567 either decl or init is error_mark_node.
7570 * tree-flow.h (struct omp_region): Add sched_kind.
7571 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7572 instead of extracting omp for data.
7573 (expand_omp_for): Save extracted sched_kind.
7575 2006-04-25 Roger Sayle <roger@eyesopen.com>
7577 * expmed.c (store_bit_field): Also check whether the bitsize is
7578 valid for the machine's "insv" instruction before moving the
7579 target into a pseudo for use with the insv.
7580 * config/i386/predicates.md (const8_operand): New predicate.
7581 * config/i386/i386.md (extv, extzv, insv): Use the new
7582 const8_operand predicate where appropriate.
7584 2006-04-25 DJ Delorie <dj@redhat.com>
7586 * doc/install.texi (Specific): Clarify that this is not a list of
7587 supported hosts or targets.
7589 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7591 PR rtl-optimization/26725
7592 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7593 block's BB_DIRTY flag.
7595 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7597 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7600 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7601 to print an integer.
7603 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7605 * varasm.c (align_variable): New function.
7606 (get_block_for_decl): Apply align_variable to DECL before
7607 calculating section information.
7608 (assemble_variable): Split out alignment computation.
7610 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7612 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7615 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7617 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7618 MODE_PARTIAL_INT mode.
7619 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7620 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7622 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7623 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7625 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7627 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7629 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7630 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7631 MACFLAG_IH): Likewise.
7632 (movstricthi_1): Renamed from "*movstricthi".
7633 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7634 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7635 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7636 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7637 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7638 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7639 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7640 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7641 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7642 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7643 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7644 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7645 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7646 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7647 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7649 * doc/rtl.texi (ss_ashift): Improve wording.
7651 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7653 * dwarf2out.c (verify_marks_clear): New.
7654 (prune_unused_types): Call verify_marks_clear initially, not
7657 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7659 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7660 * doc/rtl.texi: Document them.
7661 * simplify-rtx.c (simplify_unary_operation,
7662 simplify_binary_operation_1): Don't abort when we see them.
7664 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7667 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7668 * configure.ac: Completely disregard languages that are not
7670 * configure: Regenerated.
7672 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7673 Richard Guenther <rguenther@suse.de>
7675 PR tree-optimization/27236
7676 * tree-inline.c (copy_body_r): Make sure to copy
7677 TREE_THIS_VOLATILE flag.
7679 2006-04-24 Richard Guenther <rguenther@suse.de>
7682 * tree-complex.c (update_parameter_components): Don't handle
7683 unused parameters which have no default def.
7685 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7686 Richard Guenther <rguenther@suse.de>
7688 PR tree-optimization/27218
7689 * tree-inline.c (expand_call_inline): Strip useless type
7690 conversions for the return slot address.
7692 2006-04-24 Richard Guenther <rguenther@suse.de>
7694 * cfgloop.h (struct loops): Remove unused field array. Reorder
7696 (LOOP_PREFETCH): Remove.
7698 2006-04-24 Richard Guenther <rguenther@suse.de>
7700 PR tree-optimization/22525
7701 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7702 variable, adjust types of generated expressions.
7704 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7706 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7707 (tree-vect-patterns.o): Likewise.
7709 (cselib.o): Likewise.
7710 (loop-doloop.o): Likewise.
7711 (regclass.o): Likewise.
7712 (reload1.o): Likewise.
7713 (explow.o): Replace target.h with $(TARGET_H).
7714 (ipa-prop.o): Likewise.
7715 (ipa-cp.o): Likewise.
7716 (ipa-inline.o): Likewise.
7717 (reorg.o): Likewise.
7718 (reg-stack.o): Likewise.
7720 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7722 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7724 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7726 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7728 * configure.ac: Completely disregard languages that are not
7730 * configure: Regenerated.
7733 * c-common.h (c_build_bitfield_integer_type): Declare.
7734 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7735 * c-common.c (c_build_bitfield_integer_type): ... here.
7737 2006-04-23 Roger Sayle <roger@eyesopen.com>
7740 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7741 a SImode SUBREG of a floating point register after no_new_pseudos.
7743 2006-04-23 Roger Sayle <roger@eyesopen.com>
7745 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7746 identify potentially eliminable registers to additionally catch
7747 VIRTUAL_INCOMING_ARGS_REGNUM.
7748 (addsi3): Update the conditions on when to use addsi_small_int.
7750 2006-04-23 Roger Sayle <roger@eyesopen.com>
7753 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7754 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7755 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7757 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7759 * fold-const.c (range_predecessor): Use operand_equal_p
7760 as the predicate for equality.
7761 (range_successor): Likewise.
7763 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7766 * config/soft-fp/op-common.h: Fix a typo.
7768 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7771 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7772 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7774 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7776 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7778 * doc/tm.texi: Fix a typo.
7780 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7782 * dwarf2out.c (struct die_struct): Document that die_sib makes
7783 a circular linked list.
7784 (FOR_EACH_CHILD): New.
7785 (reverse_die_lists): Delete.
7786 (reverse_all_dies): Delete.
7787 (add_dwarf_attr): Correct documentation.
7788 (remove_child_with_prev): New.
7789 (remove_child_TAG): Update for change to die_struct, use
7790 remove_child_with_prev.
7791 (add_child_die): Update for change to die_struct.
7792 (splice_child_die): Use remove_child_with_prev and add_child_die.
7793 (print_die): Use FOR_EACH_CHILD.
7794 (die_checksum): Likewise.
7795 (assign_symbol_names): Likewise.
7796 (output_location_lists): Likewise.
7797 (build_abbrev_table): Likewise.
7798 (calc_die_sizes): Likewise.
7799 (mark_dies): Likewise.
7800 (unmark_dies): Likewise.
7801 (unmark_all_dies): Likewise.
7802 (output_die): Likewise.
7803 (prune_unused_types_mark): Likewise.
7804 (prune_unused_types_walk): Likewise.
7805 (same_die_p): Update for change to die_struct.
7806 (break_out_includes): Likewise.
7807 (prune_unused_types_prune): Likewise.
7808 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7809 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7811 (dwarf2out_finish): Don't call reverse_all_dies.
7813 2006-04-21 Eric Christopher <echristo@apple.com>
7815 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7816 in comments and function names.
7818 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7821 * c-typeck.c (digest_init): Robustify.
7823 * c-typeck.c (pop_init_level): Simplify.
7825 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7827 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7829 2006-04-21 Paul Brook <paul@codesourcery.com>
7831 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7832 hardware floating point.
7834 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7836 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7839 2006-04-21 Nick Clifton <nickc@redhat.com>
7841 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7844 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7847 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7848 C++ lang type in traceback table for Objective-C++.
7850 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7852 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7854 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7856 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7859 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7860 were errors. Remove check for erroneous objects.
7862 2006-04-20 Jeff Law <law@redhat.com>
7864 PR tree-optimization/26854
7865 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7866 checking for zero or one use.
7867 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7868 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7869 * tree-ssa-reassoc.c (negate_value): Similarly.
7870 (reassociate_bb): Similarly.
7872 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7874 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7875 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7876 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7878 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7880 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7881 fp regs if the last fp arg doesn't fit in regs.
7883 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7886 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7887 that the last insn has the REG_INC note.
7889 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7890 Nathan Sidwell <nathan@codesourcery.com>
7893 * stor-layout.c (update_alignment_for_field): Do not align
7895 (place_union_field): Place union field at the start of the union.
7896 (place_field): Move ERROR_MARK check later, and use the current
7897 allocation position to maintain monotonicity.
7899 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7901 * dominance.c: Include timevar.h.
7902 (calculate_dominance_info): Use TV_DOMINANCE.
7903 * timevar.def (TV_DOMINANCE): New timevar.
7904 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7906 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7908 PR rtl-optimization/14261
7909 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7910 move would be an INSV insn.
7911 (noce_process_if_block): Don't optimize if the destination is a
7912 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7914 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7916 * config/s390/s390.md: Add comments with the instructions emitted
7917 by an insn pattern if macros are used.
7919 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7921 PR rtl-optimization/26026
7922 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7923 is a known power of two shifted left a variable amount.
7925 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7927 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7928 to hash table twice when the debug_str section has SECTION_MERGE.
7930 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7932 * config/soft-fp: New directory. From glibc.
7933 * config/soft-fp/t-softfp: New.
7934 * config/soft-fp/README: New.
7935 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7936 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7937 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7938 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7939 * config.gcc: Use rs6000/t-fprules-fpbit or
7940 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7942 * config/rs6000/sfp-machine.h: New. Based on glibc.
7943 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7945 * config/rs6000/t-fprules: Remove fp-bit rules.
7946 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7947 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7948 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7949 (softfp_wrap_start, softfp_wrap_end): New.
7951 2006-04-18 DJ Delorie <dj@redhat.com>
7953 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7955 2006-04-18 Devang Patel <dpatel@apple.com>
7957 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7959 2006-04-18 Nick Clifton <nickc@redhat.com>
7961 * config/sh/t-symbian: Add rule to build sh-c.o
7962 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7963 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7964 (sh_symbian_encode_section_info): Likewise.
7966 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7968 * builtins.c (expand_builtin_strcmp): Cover label definition of
7969 do_libcall with HAVE_cmpstrnsi.
7971 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7973 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7975 * function.h (temp_slot_p): New.
7976 (function): Change the type of x_used_temp_slots to
7977 VEC(temp_slot_p,gc) *.
7979 2006-04-18 Nick Clifton <nickc@redhat.com>
7981 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7982 flag_strength_reduce.
7984 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7986 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7990 Partial revert of revision 112637
7991 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7992 Dale Johannesen <dalej@apple.com>
7995 * regclass.c (struct reg_pref): Update documentation.
7996 (regclass): Set prefclass to NO_REGS if memory is the best option.
7997 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7999 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8001 PR tree-optimization/26821
8002 * tree-ssa-math-opts.c (get_constant_one): New.
8003 (insert_reciprocals): Use it.
8005 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8007 * dwarf2out.c (free_AT): Delete.
8008 (remove_AT): Update string ref counts.
8009 (remove_child_TAG): Don't call free_die.
8011 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8012 or DW_TAG_GNU_EINCL.
8013 (prune_unused_types_walk_attribs): Reset string refcounts.
8014 (prune_unused_types_update_strings): New.
8015 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8016 call free_die. Do call prune_unused_types_update_strings.
8017 (prune_unused_types): Empty debug_str_hash.
8019 2006-04-17 Roger Sayle <roger@eyesopen.com>
8021 * expr.c (expand_assignment): Optimize away no-op moves where the
8022 source and destination are equal and have no side-effects.
8024 2006-04-17 Richard Guenther <rguenther@suse.de>
8027 * reload.c (push_reload): Guard calls to get_secondary_mem
8030 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8032 * alias.c (reg_base_value, old_reg_base_value): Change the
8033 type to VEC(rtx,gc) *.
8034 (REG_BASE_VALUE, find_base_value, record_set,
8035 init_alias_analysis): Use VEC instead of VARRAY.
8037 * alias.c (alias_sets): Change the type to
8038 VEC(alias_set_entry,gc) *.
8039 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8040 VEC instead of VARRAY.
8041 (last_alias_set): Remove.
8043 * cgraph.h (cgraph_edge_p): New.
8044 Update the prototype of cgraph_function_versioning.
8045 * cgraphunit.c (cgraph_copy_node_for_versioning,
8046 cgraph_function_versioning): Use VEC instead of VARRAY.
8047 * ipa-cp.c (ipcp_insert_stage): Likewise.
8049 2006-04-16 Roger Sayle <roger@eyesopen.com>
8052 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8053 "A op B" or "A op C", we may need to convert A to the type of B and C.
8055 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8057 * target.h (struct gcc_target): Add mode_rep_extended.
8058 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8059 (init_num_sign_bit_copies_in_rep): Initialize it using
8061 (truncate_to_mode): Use it.
8062 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8063 * targhooks.h (default_mode_rep_extended): Declare it.
8064 * targhooks.c (default_mode_rep_extended): Define it.
8065 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8066 default_mode_rep_extended.
8067 (TARGET_INITIALIZER): Include it.
8068 * doc/tm.texi (Misc): Document it.
8069 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8070 (mips_truncated_to_mode): New function.
8072 2006-04-16 Roger Sayle <roger@eyesopen.com>
8075 * expr.c (compress_float_constant): Copy the narrow constant into
8076 a new pseudo before extending it to its final width.
8078 2006-04-16 Roger Sayle <roger@eyesopen.com>
8079 Andrew Pinski <pinskia@gcc.gnu.org>
8080 Dale Johannesen <dalej@apple.com>
8083 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8084 special case code to implement V8HImode and V16QImode with SSE2.
8086 2006-04-15 Roger Sayle <roger@eyesopen.com>
8088 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8089 trees are constructed with a suitable tree type.
8091 2006-04-15 Roger Sayle <roger@eyesopen.com>
8093 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8094 (integer_onep): Likewise.
8095 (integer_all_onesp): Likewise.
8096 (integer_pow2p): Likewise.
8097 (integer_nonzerop): Likewise.
8098 (real_zerop): Likewise.
8099 (real_onep): Likewise.
8100 (real_twop): Likewise.
8101 (real_minus_onep): Likewise.
8102 (int_size_in_bytes): Likewise.
8103 (host_integerp): Likewise.
8105 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8107 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8108 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8109 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8111 * tree-ssa-structalias.h (alias_info): Remove num_references.
8113 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8115 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8116 (output_bvb patterns): Likewise.
8117 * pa.c (output_bb): Use 'bb' insn for long branch case.
8118 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8119 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8120 1. Correct length operand for alternatives 1 and 2.
8121 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8122 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8124 2006-04-14 Roger Sayle <roger@eyesopen.com>
8126 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8127 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8128 were accidentally reverted by r112959.
8130 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8133 * except.h (eh_region_outermost): New prototype.
8134 * except.c (eh_region_outermost): New function.
8135 * tree-cfg.c (find_outermost_region_in_block): Use it.
8137 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8139 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8141 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8142 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8143 (init_reload, reload): Use VEC instead of VARRAY.
8144 * reload.h: Update the prototype for
8145 reg_equiv_memory_loc_varray.
8147 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8148 Eric Botcazou <ebotcazou@libertysurf.fr>
8150 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8153 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8156 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8157 to expand fallback builtin function call.
8159 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8162 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8163 and emit libcall here in case the builtin fails.
8164 (expand_builtin_strcmp): Always emit the libcall here on failure.
8166 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8168 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8169 * flow.c (reg_n_info): Change the type to
8170 VEC(reg_info_p,heap) *.
8171 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8173 * regs.h (reg_info_p): New.
8174 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8175 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8176 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8179 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8181 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8183 * params.h (MAX_SCHED_READY_INSNS): New macro.
8184 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8185 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8186 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8187 the ready list for 1 cycle during the first scheduling pass.
8188 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8190 2006-04-13 Richard Henderson <rth@redhat.com>
8193 * gimple-low.c (lower_omp_directive): Remove dead code.
8194 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8195 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8196 * omp-low.c (struct omp_region): Move to tree-flow.h.
8197 (root_omp_region): Export.
8198 (omp_regions, lookup_omp_region): Remove.
8199 (determine_parallel_type): Update for struct omp_region changes.
8200 (dump_omp_region): Dump regions with block numbers.
8201 (new_omp_region): Take type and block instead of stmt; malloc
8203 (free_omp_region_1, free_omp_regions): New.
8204 (expand_parallel_call): Take entry_stmt as argument; update for
8205 changes to omp_region.
8206 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8207 (remove_exit_barriers): New.
8208 (expand_omp_parallel): Update for struct omp_region changes.
8209 (expand_omp_synch): Likewise.
8210 (expand_omp): Likewise.
8211 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8212 (expand_omp_for_static_chunk): Likewise.
8213 (expand_omp_for): Likewise.
8214 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8215 (expand_omp_sections): Similarly, with GOMP_sections_end.
8216 (expand_omp_single): New.
8217 (build_omp_regions_1): Update for OMP_CONTINUE.
8218 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8219 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8220 OMP_SECTIONS_SECTIONS.
8221 (lower_omp_single_simple): Don't emit barrier here.
8222 (lower_omp_single_copy): Likewise.
8223 (lower_omp_single): Fix bindings, and lower to straightline now.
8224 (lower_omp_master, lower_omp_ordered): Likewise.
8225 (lower_omp_critical): Likewise.
8226 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8227 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8228 omp edges, free it afterward.
8229 (make_omp_sections_edges): Remove.
8230 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8231 (move_stmt_r): Handle OMP_CONTINUE.
8232 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8233 statement pointers to basic blocks. Add type member.
8234 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8235 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8236 * tree-inline.c (estimate_num_insns_1): Likewise.
8237 * tree-pretty-print.c (dump_generic_node): Likewise.
8238 * tree-ssa-operands.c (get_expr_operands): Likewise.
8239 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8240 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8241 (OMP_CONTINUE): New.
8242 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8243 (OMP_SECTIONS_SECTIONS): Remove.
8244 (OMP_SECTION_LAST): New.
8245 (OMP_RETURN_NOWAIT): New.
8247 2006-04-13 Roger Sayle <roger@eyesopen.com>
8249 * fold-const.c (native_encode_vector, native_interpret_real):
8250 Correct obvious mistakes in the previous check-in.
8252 2006-04-13 Roger Sayle <roger@eyesopen.com>
8254 * fold-const.c (native_encode_expr): New function to encode
8255 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8256 or VECTOR_CST into a specified buffer.
8257 (native_encode_int): New function.
8258 (native_encode_real): New function.
8259 (native_encode_complex): New function.
8260 (native_encode_vector): New function.
8261 (native_interpret_expr): Inverse of native_encode_expr to convert
8262 a target representation into an INTEGER_CST, REAL_CST etc...
8263 (native_interpret_int): New function.
8264 (native_interpret_real): New function.
8265 (native_interpret_complex): New function.
8266 (native_interpret_vector): New function.
8267 (fold_view_convert_expr): New function to constant fold/evaluate
8268 a VIEW_CONVERT_EXPR of a suitable constant expression.
8269 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8270 Change call of build1 to fold_build1 when constructing a
8273 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8274 Ulrich Weigand <uweigand@de.ibm.com>
8277 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8280 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8283 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8284 optimize to lo_sum for DFmode if !TARGET_FPRS.
8286 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8288 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8289 delete_alias_info, compute_flow_sensitive_aliasing,
8290 group_aliases): Use VEC instead of VARRAY.
8291 * tree-ssa-structalias.c (update_alias_info): Likewise.
8292 * tree-ssa-structalias.h (alias_info): Change the type of
8293 processed_ptrs to VEC(tree,heap) *.
8295 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8298 * config/sh/lib1funcs.h: New file, broken out of:
8299 * config/sh/lib1funcs.asm.
8300 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8302 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8303 * config/sh/lib1funcs-Os-4-200.asm: New file.
8304 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8305 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8306 (EXTRA_MULTILIB_PARTS): Include it.
8307 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8308 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8309 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8310 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8313 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8315 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8316 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8317 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8319 * tree-ssa-live.h: Include vecprim.h.
8320 (tree_partition_associator_d): Change the type of
8321 first_partition to VEC(int,heap) *.
8322 (tpa_first_partition): Use VEC instead of VARRAY.
8324 * Makefile.in (GTFILES): Move functions.h after tree.h.
8325 * function.c (reset_block_changes, record_block_change,
8326 check_block_change, free_block_changes): Use VEC instead of
8328 * function.h (function): Change the type of
8329 ib_boundaries_block to VEC(tree,gc) *.
8330 * tree-inline.c (copy_cfg_body): Initialize
8331 ib_boundaries_block to NULL instead of (varray_type) 0.
8333 2006-04-12 Roger Sayle <roger@eyesopen.com>
8335 * expr.c (emit_group_store): Correct operand order in call to
8336 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8337 a SUBREG_BYTE of zero.
8339 2006-04-12 Richard Guenther <rguenther@suse.de>
8341 * profile.c (compute_branch_probabilities): Remove code
8342 encapsulated in !ir_type (), which are remanents of the
8343 removed RTL profiling code.
8344 * rtl-profile.c: Remove.
8346 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8348 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8349 magic NULL_RTX comment.
8350 (function_arg): Store entire fp arg to mem if any part should go
8352 (rs6000_arg_partial_bytes): Adjust for above change.
8354 2006-04-11 Roger Sayle <roger@eyesopen.com>
8356 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8357 if it hasn't been initialized by dwarf2out_init.
8359 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8361 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8362 symbolic constants in branch patterns.
8364 2006-04-11 Roger Sayle <roger@eyesopen.com>
8366 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8368 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8370 PR rtl-optimization/27073
8371 * gcse.c (try_replace_reg): Revert last change. Continue to search
8372 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8375 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8377 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8378 aggregate types other than record and union types.
8379 (function_arg): Likewise.
8380 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8382 (function_value): In 64-bit mode, return objects that require it
8385 2006-04-11 Roger Sayle <roger@eyesopen.com>
8387 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8389 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8391 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8393 2006-04-03 Jeff Law <law@redhat.com>
8396 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8397 alias information too.
8399 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8401 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8403 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8406 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8407 (premark_used_types_helper): New.
8408 (premark_used_types): New.
8409 (gen_subprogram_die): Call premark_used_types.
8410 (prune_unused_types_walk): Do not prune perennial dies.
8411 * function.c (used_types_insert): New.
8412 * function.h (struct function): Add used_types_hash field.
8413 (used_types_insert): Add prototype.
8414 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8415 * c-parser.c (c_parser_cast_expression): Save casted types in used
8418 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8421 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8422 rs6000_explicit_options.float_gprs.
8424 2006-04-10 Roger Sayle <roger@eyesopen.com>
8426 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8427 from ix86_expand_vector_init_low_nonzero. Take an additional
8428 one_var argument indicating which element is non-zero. Support
8429 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8430 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8431 with one_var instead of ix86_expand_vector_init_low_nonzero.
8433 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8435 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8436 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8437 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8438 build/genextract.o): Depend on vecprim.h.
8439 * cfglayout.c, df-problems.c, function.c, genextract.c,
8440 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8441 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8445 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8447 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8448 Declare VECs of this type.
8449 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8450 (remove_children): Delete.
8451 (add_dwarf_attr): Use VEC routines.
8452 (add_AT_flag): Update for changes to add_dwarf_attr.
8453 (add_AT_int): Likewise.
8454 (add_AT_unsigned): Likewise.
8455 (add_AT_long_long): Likewise.
8456 (add_AT_vec): Likewise.
8457 (add_AT_string): Likewise.
8458 (add_AT_die_ref): Likewise.
8459 (add_AT_fde_ref): Likewise.
8460 (add_AT_loc): Likewise.
8461 (add_AT_loc_list): Likewise.
8462 (add_AT_addr): Likewise.
8463 (add_AT_lbl_id): Likewise.
8464 (add_AT_lineptr): Likewise.
8465 (add_AT_macptr): Likewise.
8466 (add_AT_offset): Likewise.
8467 (add_AT_range_list): Likewise.
8468 (get_AT): Use VEC_iterate.
8469 (remove_AT): Use VEC_ordered_remove.
8470 (free_die): Fold remove_children into here; have it use VEC_iterate.
8471 (print_die): Use VEC_iterate on attrs.
8472 (reverse_die_lists): Don't reverse attr lists.
8473 (die_checksum): Use VEC_iterate on attrs.
8474 (same_die_p): Likewise.
8475 (output_location_lists): Likewise.
8476 (build_abbrev_table): Likewise.
8477 (size_of_die): Likewise.
8478 (unmark_all_dies): Likewise.
8479 (output_abbrev_section): Likewise.
8480 (output_die): Likewise.
8481 (prune_unused_types_walk_attribs): Likewise.
8483 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8485 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8487 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8490 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8492 2006-04-09 Roger Sayle <roger@eyesopen.com>
8494 * expr.c (store_constructor): Don't bother clearing target if
8495 we're about to assign a vector to it using vec_init_optab.
8497 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8499 * tree-ssa-alias.c (lhs_may_store_to): New function.
8500 (recalculate_used_alone): Handle LHS of calls.
8502 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8506 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8507 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8508 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8509 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8510 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8511 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8512 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8513 stubs. Add ".align 8" directives before all ".dword" directives.
8514 (GTHREAD_USE_WEAK): Revise comment.
8515 (TARGET_ATTRIBUTE_WEAK): Define.
8516 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8517 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8518 * stublib.c: New file.
8523 * pa.md (cbranch patterns): Revise arguments used in calls to
8524 output_cbranch, output_bb and output_bvd. Add long branch length
8526 (fbranch patterns): Handle long branches.
8527 (jump): Revise length check. Revise arguments for output_lbranch call.
8528 Add long branch length attributes.
8529 (decrement_and_branch_until_zero): Add long branch length attributes.
8530 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8531 Likewise. Revise arguments for output_parallel_addb and
8532 output_parallel_movb calls.
8533 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8534 output_parallel_movb and output_parallel_addb): Update prototypes.
8535 * pa.c (output_cbranch): Revise arguments. Correct handling of
8536 nullification in long branches.
8537 (output_lbranch): Add new argument to control extraction of delay
8539 (output_bb): Handle long branches.
8540 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8541 output_parallel_addb): Likewise.
8543 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8545 PR rtl-optimization/27073
8546 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8549 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8551 * tree.h (tree_memory_tag): Add old_used_alone.
8552 (SMT_OLD_USED_ALONE): New macro.
8553 * tree-ssa-alias.c (recalculate_used_alone): Stop
8554 marking things for renaming unnecessarily.
8556 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8558 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8559 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8560 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8561 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8562 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8563 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8564 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8565 spelling convensions.
8566 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8567 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8568 typos. Follow spelling conventions.
8570 2006-04-07 DJ Delorie <dj@redhat.com>
8572 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8573 passed on the stack.
8574 (m32c_init_cumulative_args): When a function returns a structure,
8575 always pass the pointer to that return area on the stack.
8576 (m32c_function_arg_advance): Don't increment the parameter number
8577 if we're processing the returned structure pointer.
8578 (pushm_info): Reverse order of registers.
8580 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8582 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8583 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8584 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8585 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8587 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8588 chrec_fold_multiply): Same.
8589 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8590 force_expr_to_var_cost): Same.
8591 * tree-mudflap.c (mf_xform_derefs_1): Same.
8592 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8594 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8596 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8597 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8600 2006-04-07 Jan Hubicka <jh@suse.cz>
8602 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8604 2006-04-07 Richard Guenther <rguenther@suse.de>
8606 PR tree-optimization/26135
8607 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8608 loads for store copy-prop.
8609 (copy_prop_visit_stmt): Likewise.
8611 2006-04-05 Robert Millan <robertmh@gnu.org>
8613 * config/i386/linux.h: Add a comment to mark macros that are
8614 being overriden in config/k*bsd-gnu.h.
8615 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8617 * config/knetbsd-gnu.h: Ditto.
8619 2006-04-06 Jan Hubicka <jh@suse.cz>
8623 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8626 2006-04-06 Mike Stump <mrs@apple.com>
8628 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8629 for HAVE_nonlocal_goto to be consistent.
8630 (expand_builtin_nonlocal_goto): Likewise.
8631 (expand_builtin_strcmp): Use #ifdef instead of #if
8632 for HAVE_cmpstrnsi to be consistent.
8634 2006-04-05 DJ Delorie <dj@redhat.com>
8636 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8639 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8641 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8642 got-relative addressing for anything but SImode.
8644 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8645 even if the calling function doesn't modify them.
8647 2006-04-05 Richard Guenther <rguenther@suse.de>
8649 PR tree-optimization/26919
8650 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8651 to cgraph_estimate_size_after_inlining.
8653 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8655 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8657 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8659 PR tree-optimization/26996
8660 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8661 VECTOR_TYPE variables.
8663 2006-04-05 Richard Guenther <rguenther@suse.de>
8665 PR tree-optimization/26763
8666 * fold-const.c (fold_comparison): Move folding of
8667 PTR + CST CMP PTR + CST ...
8668 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8670 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8672 * doc/install.texi (Prerequisites): Refine some wording on
8673 bootstrapping and ksh.
8674 Move the version numbers of DejaGnu here from the testing section
8675 and fix casing of names.
8676 Fix markup and clarify wording for autogen requirements.
8677 Refer to GCJ instead of just java.
8678 Refer to SVN instead of CVS.
8679 Describe diffutils as useful instead of necessary.
8680 (Downloading the source): Refer to SVN instead of CVS.
8681 Adjust a link to our web site accordingly.
8682 (Configuration): Fix casing of Bison.
8683 (Building): Refer to SVN instead of CVS.
8684 Fix a sentence on the use of Bison and remove duplicate (and
8685 incorrect) version number of Bison requirement.
8686 Remove one redundant list of packages needed for building.
8687 (Specific): Avoid reference to CVS.
8689 2006-04-04 Eric Christopher <echristo@apple.com>
8691 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8692 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8693 (rs6000_handle_struct_attribute): New.
8694 (rs6000_ms_bitfield_layout_p): Ditto.
8696 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8698 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8699 NULL for dso parameter to atexit_common.
8701 2006-04-04 Eric Christopher <echristo@apple.com>
8703 * config/i386/i386.c (machopic_output_stub): Output \t
8704 between instructions and operands.
8706 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8708 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8709 satisfies_constraint_[IL] to explicit tests on value.
8711 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8713 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8714 set_nb_iterations_in_loop): Use build_int_cst instead of
8716 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8717 build_int_cst instead of convert.
8719 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8721 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8722 new value 2 for incoming.
8723 * function.c (expand_function_start): Call struct_value_rtx
8725 * config/sparc/sparc.md: Comment updated_return.
8726 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8727 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8728 struct return if sparc_std_struct_return and incoming is 2.
8729 (print_operand): Do not adjust return if
8730 sparc_std_struct_return.
8732 2006-04-04 Roger Sayle <roger@eyesopen.com>
8734 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8735 convert in the middle-end.
8736 * expr.c (store_expr, store_constructor, get_inner_reference,
8737 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8739 * tree.c (build_range_type): Likewise.
8741 2006-04-04 Tom Tromey <tromey@redhat.com>
8743 * doc/install.texi (Prerequisites): Mention jar.
8745 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8747 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8750 2006-04-04 Matthias Klose <doko@debian.org>
8752 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8756 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8759 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8761 * doc/extend.texi (Function Attributes): Rewrite visibility
8762 attribute documentation.
8763 * doc/invoke.texi (C++ Dialect Options): Rewrite
8764 -fvisibility-inlines-hidden documentation to describe something
8765 entirely different, although in practise compatible.
8766 (Code Gen Options): Warn about system headers in -fvisibility=
8769 * doc/extend.texi (Other Builtins): Document that
8770 __builtin_nan is a compile-time constant only when its argument
8773 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8775 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8776 trying to remove TRUNCATE check if all bits outside the new mode
8777 are identical to the sign bit.
8779 2006-04-03 Jeff Law <law@redhat.com>
8781 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8782 and operand scanning in some common cases.
8784 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8785 Dale Johannesen <dalej@apple.com>
8788 * regclass.c (struct reg_pref): Update documentation.
8789 (regclass): Set prefclass to NO_REGS if memory is the best option.
8790 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8791 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8792 into account. For non-registers, equate an empty preferred
8793 reload class to a `!' in the constraint; move the if clause to
8794 do so after those that reject the insn.
8795 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8797 (find_dummy_reload): Likewise.
8798 * doc/tm.texi (Register Classes): Document what it means
8799 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8800 * config/i386/i386.c (ix86_preferred_reload_class): Force
8801 using SSE registers (and return NO_REGS for floating-point
8802 constants) if math is done with SSE.
8803 (ix86_preferred_output_reload_class): New.
8804 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8805 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8806 * config/i386/i386.md: Remove # register preferences.
8808 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8811 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8812 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8813 the type of nb_iter.
8814 (instantiate_parameters_1): Convert the operands before calling
8815 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8816 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8818 2006-04-02 Roger Sayle <roger@eyesopen.com>
8820 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8821 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8823 * dojump.c (do_jump): Likewise.
8824 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8825 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8826 gimplify_boolean_expr): Likewise.
8827 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8828 * varasm.c (array_size_for_constructor): Likewise.
8829 * tree-object-size.c (compute_object_offset): Likewise.
8831 2006-04-02 Roger Sayle <roger@eyesopen.com>
8834 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8835 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8837 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8839 PR tree-optimization/26939
8840 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8842 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8844 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8845 at_stmt. Convert the type of operands before calling
8846 build_polynomial_chrec.
8847 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8849 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8850 (instantiate_parameters_1): Convert the type of operands before calling
8851 build_polynomial_chrec.
8852 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8853 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8854 reset_evolution_in_loop): Insert asserts to check the types of the
8856 (chrec_type): Moved...
8857 (eq_evolutions_p): Use operand_equal_p.
8858 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8859 the types of the operands.
8860 (chrec_type): ...here.
8861 * tree-data-ref.c (create_data_ref): Convert the operands before
8862 calling chrec_replace_initial_condition.
8863 (same_access_functions, analyze_subscript_affine_affine,
8864 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8865 (compute_subscript_distance, analyze_ziv_subscript,
8866 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8867 analyze_miv_subscript): Convert the operands before calling
8868 chrec_fold_minus or chrec_fold_plus.
8870 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8872 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8873 the dependence_relations vector.
8874 (compute_data_dependences_for_loop): Adjust call to
8875 compute_all_dependences.
8877 2006-04-01 Roger Sayle <roger@eyesopen.com>
8878 Richard Henderson <rth@redhat.com>
8880 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8881 gimple_boolify on the condition before calling gimplify_expr.
8883 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8885 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8886 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8887 the frame size. Update to use the new macros.
8888 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8889 * config/xtensa/ieee754-df.S: Likewise.
8891 2006-03-31 Richard Henderson <rth@redhat.com>
8893 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8894 (make_edges): ... here. Control fallthru creation with a local
8895 variable. Do not play with fake edges.
8896 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8897 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8900 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8902 * dwarf2.h (DW64_CIE_ID): Define.
8903 * dwarf2out.c (DWARF_CIE_ID): Define.
8904 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8905 length header. Use DWARF_CIE_ID.
8906 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8907 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8909 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8911 * config/sh/linux-atomic.asm: New file.
8912 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8914 2006-03-31 DJ Delorie <dj@redhat.com>
8916 * config/m32c/cond.md: Set condition flags properly throughout.
8917 * config/m32c/minmax.md: Likewise.
8918 * config/m32c/prologue.md: Likewise.
8919 * config/m32c/bitops.md: Likewise.
8920 * config/m32c/muldiv.md: Likewise.
8921 * config/m32c/mov.md: Likewise.
8922 * config/m32c/addsub.md: Likewise.
8923 * config/m32c/m32c.md: Likewise.
8924 * config/m32c/jump.md: Likewise.
8925 * config/m32c/shift.md: Likewise.
8927 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8928 conditionally output the pattern for this.
8929 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8930 (m32c_compare_redundant): New.
8931 (m32c_output_compare): New.
8932 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8934 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8935 dest, not src. Allow other 4-byte modes.
8937 2006-03-30 Denis Chertykov <denisc@overta.ru>
8939 * doc/md.texi: Refer to avr/constraints.md instead of
8942 2006-03-30 Roger Sayle <roger@eyesopen.com>
8944 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8945 signed vs. unsigned comparison failures on some hosts.
8947 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8950 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8951 change to FLOAT_REGS.
8953 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8954 (rs6000_override_options): Use it.
8955 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8956 only for -mabi=spe/no-spe and -mabi=altivec.
8958 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8960 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8963 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8965 * Makefile.in: Rename docdir to gcc_docdir.
8967 2006-03-30 Roger Sayle <roger@eyesopen.com>
8970 * expr.c (emit_group_store): Optimize group stores into a pseudo
8971 register by using a paradoxical subreg to initialize the destination
8972 if the first or last member of the group specifies a "low part".
8974 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8977 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8978 * target.h (struct gcc_target.speculate_insn): Change type of the
8979 second parameter to 'int'.
8980 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8981 the second operand of the DEPS_LIST.
8982 (copy_DEPS_LIST_list): Update reference to the second operand of the
8984 * rtl.h (alloc_DEPS_LIST): Update signature.
8985 * sched-int.h (ds_t): Change typedef to 'int'.
8986 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8988 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8990 * haifa-sched.c (try_ready): Change condition to restore
8991 non-speculative pattern of the instruction.
8992 (process_insn_depend_be_in_spec): Code to keep probability of the
8993 speculative dependence non-decreasing.
8995 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8997 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8998 (single_move_for_movmem): ... this. Also change all uses.
8999 (bfin_expand_strmov): Renamed to...
9000 (bfin_expand_movmem): ... this. Also change all uses.
9001 * config/bfin/bfin.md (movstrsi): Renamed to...
9002 (movstrsi): ...this.
9004 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9006 PR tree-optimization/26830
9008 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9009 (copy_prop_visit_stmt): Remove write-only variable ann.
9010 (init_copy_prop): Check variable loop depth here. Do not simulate
9011 memory-tag and virtual operand PHIs except for store copy prop.
9013 2006-03-30 Richard Guenther <rguenther@suse.de>
9015 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9016 variants with double arguments.
9018 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9020 * genpreds.c (write_tm_constrs_h): Delete variable p.
9021 * genconditions.c (write_header): Add tm-constrs.h to included
9023 * genpeep.c (main): Add toplev.h to included headers.
9024 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9025 (build/genpeep.o): Add toplev.h dependency.
9026 * config/rs6000/constraints.md: Add "W" constraint.
9028 2006-03-29 Roger Sayle <roger@eyesopen.com>
9030 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9031 sizes by correctly testing whether the size fits a host integer.
9032 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9033 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9034 SImode range for the default sizetype and bitsizetype.
9036 2006-03-29 Roger Sayle <roger@eyesopen.com>
9038 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9039 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9040 quickly if the argument is already of the correct type.
9041 Call fold_build1 instead of build1. Tidy up blank lines.
9043 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9045 * genemit.c (main): Add tm-constrs.h to included headers.
9046 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9047 * genpeep.c (main): Add tm-constrs.h to included headers.
9048 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9049 (write_tm_constrs_h): this and write complete file.
9050 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9051 (write_insn_preds_c): Add tm-constrs.h to included headers.
9052 (gen_constrs): New variable.
9053 (parse_option): Parse "-c".
9054 (main): Invoke write_tm_constrs_h.
9055 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9056 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9057 (object_out_file): Add tm-constrs.h dependency.
9058 (insn-emit.o): Same.
9059 (insn-output.o): Same.
9060 (insn-peep.o): Same.
9061 (insn-preds.o): Same.
9062 (insn-recog.o): Same.
9063 (tm-constsr.h): New target.
9064 (s-constrs-h): New target.
9066 * config/rs6000/constraints.md: New file.
9067 * config/rs6000/rs6000.c: Include tm-constrs.h.
9068 (num_insn_constant_wide): Convert to satisfies_constraint.
9069 (rs6000_rtx_costs): Convert to satisfies_constraint.
9070 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9071 (CONST_OK_FOR_LETTER_P): Delete.
9072 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9073 (EXTRA_CONSTRAINT): Delete.
9074 (EXTRA_MEMORY_CONSTRAINT): Delete.
9075 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9076 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9077 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9078 satisfies_constraint.
9080 * config/i386/i386.c: Include tm-constrs.h.
9082 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9084 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9085 * tree-data-ref.c (find_data_references_in_loop,
9086 compute_data_dependences_for_loop): Use pointers to VEC.
9087 (analyze_all_data_dependences): Adjust calls.
9088 * tree-data-ref.h (find_data_references_in_loop,
9089 compute_data_dependences_for_loop): Adjust declarations.
9090 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9091 compute_data_dependences_for_loop.
9093 2006-03-29 Paul Brook <paul@codesourcery.com>
9095 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9098 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9100 PR tree-optimization/26859
9101 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9103 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9104 for the step after fold_convert.
9106 2006-03-29 Paul Brook <paul@codesourcery.com>
9108 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9109 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9111 2006-03-29 Paul Brook <paul@codesourcery.com>
9114 * targhooks.c (default_narrow_bitfield): New fuction.
9115 * targhooks.h (default_narrow_bitfield): add prototype.
9116 * target.h (gcc_target): Add narrow_volatile_bitfield.
9117 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9118 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9119 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9120 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9122 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9124 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9126 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9127 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9128 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9129 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9130 (s390_function_arg_float): Allow SDmode and DDmode values to be
9131 passed in floating point registers.
9132 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9133 check with SCALAR_FLOAT_MODE_P.
9134 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9136 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9138 PR tree-optimization/25985
9139 * tree-ssa-loop-niter.c (number_of_iterations_le,
9140 number_of_iterations_ne): Make comments more precise.
9141 (number_of_iterations_cond): Add only_exit argument. Use the
9142 fact that signed variables do not overflow only when only_exit
9144 (loop_only_exit_p): New.
9145 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9146 number_of_iterations_cond.
9148 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9150 PR tree-optimization/26643
9151 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9154 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9156 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9157 (divsi3_i4_int): Likewise.
9159 2006-03-28 Roger Sayle <roger@eyesopen.com>
9161 * expr.c (emit_group_store): Only create a new pseudo reg if the
9162 quantity it needs to hold isn't already a suitable pseudo.
9164 2006-03-28 Jeff Law <law@redhat.com>
9166 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9167 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9169 2006-03-28 Roger Sayle <roger@eyesopen.com>
9171 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9172 the equivalent ~X & Y, and the symmetry related transformations.
9173 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9174 ~X & Y, and symmetry related transforms.
9176 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9178 Revert my 2006-03-27 patches.
9180 2006-03-28 Roger Sayle <roger@eyesopen.com>
9182 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9183 ~(T1)X, when T1 and T2 are integer types of the same precision
9184 and (T2)X isn't an extension.
9186 2006-03-28 Jeff Law <law@redhat.com>
9188 PR tree-optimization/26796
9189 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9190 need EH edge cleanups rather than purging them immediately.
9191 (eliminate_degenerate_phis): Handle queued EH cleanups.
9193 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9195 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9198 2006-03-27 Roger Sayle <roger@eyesopen.com>
9201 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9202 cast BIT_NOT_EXPR operand to the correct type.
9204 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9206 * tree-loop-linear.c: Don't include varray.h.
9207 (gather_interchange_stats, try_interchange_loops,
9208 linear_transform_loops): Use VEC instead of VARRAY.
9209 * lambda-mat.c: Don't include varray.h.
9210 * tree-chrec.c: Same.
9211 * lambda-trans.c: Same.
9212 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9213 VEC instead of VARRAY.
9214 * tree-vectorizer.h: Idem.
9215 * tree-data-ref.c (dump_data_references,
9216 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9217 initialize_data_dependence_relation, finalize_ddr_dependent,
9218 compute_all_dependences, find_data_references_in_loop,
9219 compute_data_dependences_for_loop, analyze_all_data_dependences,
9220 free_dependence_relation, free_dependence_relations,
9221 free_data_refs): Idem.
9222 * tree-data-ref.h (data_reference_p, subscript_p): New.
9223 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9224 VEC instead of VARRAY.
9225 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9226 (find_data_references_in_loop, compute_data_dependences_for_loop,
9227 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9228 dump_data_dependence_relations, free_dependence_relations,
9229 free_data_refs): Adjust declaration.
9230 (lambda_transform_legal_p): Move declaration here...
9231 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9232 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9233 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9234 vect_analyze_data_refs): Use VEC instead of VARRAY.
9235 * lambda.h (lambda_transform_legal_p): ...from here.
9236 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9237 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9238 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9239 tree-chrec.o): Don't depend on VARRAY_H.
9241 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9243 * rtl.def (Copyright): Update date.
9244 (DEPS_LIST): Change type of the second operand to 'int'.
9245 * target.h (Copyright): Update date.
9246 (struct gcc_target.speculate_insn): Change type of the second parameter
9248 * lists.c (Copyright): Update date.
9249 (alloc_DEPS_LIST): Change signature. Update reference to the second
9250 operand of the DEPS_LIST.
9251 (copy_DEPS_LIST_list): Update reference to the second operand of the
9253 * rtl.h (Copyright): Update date.
9254 (alloc_DEPS_LIST): Update signature.
9255 * sched-int.h (Copyright): Update date.
9256 (ds_t): Change typedef to 'int'.
9257 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9259 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9261 * haifa-sched.c (Copyright): Update date.
9262 (try_ready): Change condition to restore non-speculative pattern
9264 (process_insn_depend_be_in_spec): Code to keep probability of the
9265 speculative dependence non-decreasing.
9267 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9269 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9270 shut up the compiler.
9272 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9274 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9275 to use lib prefix for target.
9276 ($(T)libic_invalidate_array_4-200.a): Likewise.
9277 ($(T)libic_invalidate_array_4a.a): Likewise.
9279 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9280 J"orn Rennecke <joern.rennecke@st.com>
9282 * superh.opt: New file.
9283 * sh.c (boardtype, osruntime): Remove.
9284 * superh.h (SUBTARGET_OPTIONS): Remove.
9285 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9287 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9288 arguments with ^ and/or [].
9290 * config.gcc (sh-*-*): Add quoting to account for quirk of
9292 Replace == with = in enable_incomplete_targets test.
9294 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9295 with MASK_LITTLE_ENDIAN.
9297 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9298 * config/sh/sh.opt: Added to some comments.
9299 * config/sh/superh.h: Removed some chaff.
9301 * config/sh/sh.opt: Add m4-[1234]00* options.
9302 * config/sh/sh.c (sh_handle_option): Likewise.
9303 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9304 (ic_invalidate_array_4-100.o): New rule.
9305 ($(T)libic_invalidate_array_4-100.a): Likewise.
9306 (ic_invalidate_array_4-200.o): Likewise.
9307 ($(T)libic_invalidate_array_4-200.a): Likewise.
9308 (ic_invalidate_array_4a.o): Likewise.
9309 ($(T)libic_invalidate_array_4a.a): Likewise.
9310 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9311 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9313 * config/sh/crt1.asm: Merged in profiling code.
9314 * config/sh/superh.h (STARTFILE_SPEC): Override.
9315 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9316 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9317 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9319 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9320 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9321 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9323 * sh.opt (mpretend-cmove): New option.
9324 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9325 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9326 (movsicc): Add TARGET_PRETEND_CMOVE code.
9328 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9330 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9331 s390_class_max_nregs): New function prototypes.
9332 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9333 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9334 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9335 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9337 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9339 * dwarf2out.c (add_location_or_const_value_attribute): Call
9340 tree_add_const_value_attribute if nothing else works.
9341 (reference_to_unused): New.
9342 (rtl_for_decl_init): Use reference_to_unused to decide whether
9343 to output an initializer.
9345 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9348 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9349 peephole removing spe frob_di_df_2.
9351 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9353 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9354 (subscript_dependence_tester_1): Declared.
9355 (print_dir_vectors, print_dist_vectors): New.
9356 (debug_data_dependence_relation): New.
9357 (dump_data_dependence_relation): Print more details.
9358 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9359 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9360 (save_dist_v, save_dir_v, add_outer_distances,
9361 build_classic_dist_vector_1): New.
9362 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9363 Don't test for lambda_vector_lexico_pos.
9364 (same_access_functions, add_multivariate_self_dist,
9365 add_other_self_distances, dir_from_dist): New.
9366 (build_classic_dir_vector): Replace implementation almost identical to
9367 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9369 (subscript_dependence_tester_1): New.
9370 (subscript_dependence_tester): Handle the lexicographically negative
9371 distance vectors by recomputing the dependence relation.
9372 (compute_affine_dependence): Remove parameter loop_nest_depth.
9373 (compute_self_dependence): Don't call compute_subscript_distance.
9374 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9375 Add a parameter for the loop_nest.
9376 (find_loop_nest_1, find_loop_nest): New.
9377 (compute_data_dependences_for_loop): Compute the loop nest, and give
9378 up if the nest is not well formed.
9379 * tree-data-ref.h (loop_p): New.
9380 (struct data_dependence_relation): Replace size_vect field with
9381 loop_nest, a vec of loops.
9382 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9383 (DDR_LOOP_NEST): New.
9384 (print_dir_vectors, print_dist_vectors,
9385 debug_data_dependence_relation): Declared.
9386 (index_in_loop_nest): New.
9387 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9388 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9391 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9393 * simplify-rtx.c (simplify_relational_operation): Call
9394 simplify_relational_operation_1 even if mode is VOIDmode.
9396 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9398 PR tree-optimization/26804
9399 * tree.h (DECL_CALL_CLOBBERED): New macro.
9400 (tree_decl_common): Add call_clobbered_flag.
9401 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9402 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9403 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9404 (mark_non_addressable): Ditto.
9405 * tree-ssa.c (verify_call_clobbered): New function.
9406 (verify_alias_info): Use it.
9407 * tree-pass.h (pass_reset_cc_flags): New prototype.
9408 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9409 (reset_cc_flags): New function.
9410 * passes.c (init_optimization_passes): Call reset_cc_flags after
9411 initializing referenced_vars.
9413 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9414 Roger Sayle <roger@eyesopen.com>
9417 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9418 to 1.0 for non-real operands. Implement A / A optimization for
9421 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9423 * config/i386/i386.c (size_cost): Correct the comment for
9424 cost of storing fp registers.
9425 (i386_cost): Likewise.
9426 (i486_cost): Likewise.
9427 (pentium_cost): Likewise.
9428 (pentiumpro_cost): Likewise.
9429 (k6_cost): Likewise.
9430 (athlon_cost): Likewise.
9431 (k8_cost): Likewise.
9432 (pentium4_cost): Likewise.
9433 (nocona_cost): Likewise.
9434 (generic64_cost): Likewise.
9435 (generic32_cost): Likewise.
9437 2006-03-24 Denis Chertykov <denisc@overta.ru>
9439 * config/avr/avr-protos.h (extra_constraint): Delete.
9440 (extra_constraint_Q): New declaration.
9441 * config/avr/constraints.md: New file.
9442 * config/avr/avr.md: Include it.
9443 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9444 (TMP_REGNO, ZERO_REGNO): Likewise.
9445 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9446 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9447 (extra_constraint): Delete.
9448 (extra_constraint_Q): Test for memory constraint 'Q'.
9449 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9450 (REG_CLASS_FROM_LETTER): Delete.
9451 (CONST_OK_FOR_LETTER_P): Delete.
9452 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9453 (EXTRA_CONSTRAINT): Delete.
9454 (TMP_REGNO): Delete.
9455 (ZERO_REGNO): Delete.
9457 2006-03-24 Jeff Law <law@redhat.com>
9459 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9460 directly. Call mark_new_vars_to_rename slightly earlier.
9462 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9464 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9466 (gen_compile_unit_die): Use new language types for Objective-C and
9468 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9469 DW_LANG_C_plus_plus.
9472 * config/t-darwin (crt3.o): Work around bug 26840.
9473 * config/darwin-crt3.c: Rewrite.
9474 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9476 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9478 * doc/invoke.texi: Document -femit-class-debug-always
9479 * common.opt: Add -femit-class-debug-always.
9481 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9483 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9484 index and base register.
9485 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9486 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9487 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9488 REGNO_OK_FOR_INDEX_P.
9489 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9491 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9492 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9493 REG_OK_FOR_BASE_P): Definitions removed.
9495 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9498 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9499 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9500 set yet or weren't marked as local yet.
9502 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9504 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9507 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9509 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9510 (rs6000_legitimate_small_data_p): Delete.
9511 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9512 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9513 and make static. Add forward declaration. Update uses.
9514 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9515 of offsettable_memref_p.
9516 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9517 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9519 2006-03-24 Jeff Law <law@redhat.com>
9521 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9522 around bug in immediate-use iterator.
9524 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9527 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9528 or __LITTLE_ENDIAN__.
9530 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9532 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9533 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9534 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9535 * config/sh/sh.opt (mdiv=): Amend description.
9536 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9537 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9538 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9539 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9540 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9541 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9542 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9543 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9544 TARGET_DIVIDE_CALL_FP.
9546 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9548 * haifa-sched.c (choose_ready): Fix type of the local variable.
9549 Move local variables. Add comment.
9550 (check_reg_live): Change signature. Make callable from debugger.
9551 * sched-int.h (check_reg_live): Update signature.
9552 * sched-ebb.c (check_reg_live): Update parameters.
9553 * sched-rgn.c (check_reg_live): Ditto.
9554 (region_head_or_leaf_p): Check pointer before dereferencing.
9555 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9556 before reload on optimization levels below 1.
9558 2006-03-23 Richard Henderson <rth@redhat.com>
9560 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9564 * config/alpha/predicates.md (local_symbolic_operand): Reject
9567 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9570 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9571 expressions which have overflowed constants.
9573 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9575 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9577 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9579 * cfgloopmanip.c (create_loop_notes): Removed.
9580 * final.c (final_scan_insn): Do not handle loop notes.
9581 * jump.c (squeeze_notes): Ditto.
9582 * cfglayout.c (skip_insns_after_block,
9583 duplicate_insn_chain): Ditto.
9584 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9586 * cfgloop.h (create_loop_notes): Declaration removed.
9588 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9590 * varasm.c (output_constant_pool): Restore fnname and fndecl
9592 (assemble_start_function): Adjust call accordingly.
9593 (assemble_end_function): Likewise.
9595 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9598 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9601 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9603 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9606 * system.h (ICE_EXIT_CODE): New macro.
9607 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9608 (diagnostic_action_after_output): Likewise.
9609 * gcc.c (fatal_ice): New function.
9610 (execute): Use it instead of fatal.
9611 (fancy_abort): Likewise.
9612 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9614 2006-03-22 Jeff Law <law@redhat.com>
9616 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9617 iv_analyze_result returning false.
9619 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9621 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9623 2006-03-22 Richard Henderson <rth@redhat.com>
9626 * except.c (duplicate_eh_regions_0): New.
9627 (duplicate_eh_region_1): Duplicate the children of the node as
9628 well as the node itself. Link them up properly.
9629 (duplicate_eh_region_2): Merge into ...
9630 (duplicate_eh_regions): ... here. Take copy_region argument, and
9631 copy only a sub-tree if asked. Simplify copying and fixup.
9632 (eh_region_outer_p): New.
9633 * except.h (duplicate_eh_regions): Update decl.
9634 (eh_region_outer_p): Declare.
9635 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9636 (lower_omp_master): Likewise.
9637 (lower_omp_ordered): Likewise.
9638 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9639 (move_stmt_r): Use it to remap labels. Handle recursion vs
9640 remap_decls_p properly.
9641 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9642 (find_outermost_region_in_block): New.
9643 (new_label_mapper): New.
9644 (move_sese_region_to_fn): Copy eh information to the new function
9646 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9648 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9651 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9653 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9654 into shared libraries.
9656 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9658 * doc/md.texi: Refer to i386/constraints.md instead of
9660 * config/i386/constraints.md: New file, extracted from...
9661 * config/i386/predicates.md: ...here.
9662 * config/i386/i386.md: Include constraints.md.
9664 2006-03-21 Jason Merrill <jason@redhat.com>
9666 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9669 * expr.c (init_block_move_fn): Force default visibility.
9670 (init_block_clear_fn): Likewise.
9671 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9672 * targhooks.c (default_external_stack_protect_fail): Likewise.
9674 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9676 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9677 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9678 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9679 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9680 (loadgp): Use mips_current_loadgp_style.
9681 (loadgp_noshared): New pattern.
9682 (sibcall_internal): Use MIPS_CALL.
9683 (sibcall_value_internal): Likewise.
9684 (sibcall_value_multiple_internal): Likewise.
9685 (call_internal): Likewise.
9686 (call_value_internal): Likewise.
9687 (call_value_multiple_internal): Likewise.
9688 (call_split): Use MIPS_CALL and add an 'S' constraint.
9689 (call_value_split): Likewise.
9690 (call_value_multiple_split): Likewise.
9691 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9692 (-mshared): New option.
9693 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9694 (mips_current_loadgp_style): Declare.
9695 * config/mips/mips.c (mips_classify_symbol): Avoid using
9696 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9697 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9698 TARGET_ABSOLUTE_ABICALLS.
9699 (override_options): Adjust comments. Improve the warning that is
9700 issued when -mabicalls and -G are used together.
9701 (mips_file_start): Remove comment.
9702 (mips_current_loadgp_style): New function.
9703 (mips_gnu_local_gp): New variable.
9704 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9706 (mips_output_function_prologue): Use mips_current_laodgp_style.
9707 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9708 the cprestore instruction.
9709 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9710 live for TARGET_ABSOLUTE_ABICALLS.
9711 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9712 (ASM_SPEC): Pass down -mshared and -mno-shared.
9713 (MIPS_CALL): New macro.
9714 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9716 * doc/invoke.texi (-mabicalls): Update documentation.
9717 (-mshared): Document.
9719 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9721 * config/ia64/unwind-hpux.c: New file.
9722 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9724 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9727 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9729 2006-03-21 Jeff Law <law@redhat.com>
9731 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9732 type conversions of a VR_VARYING source to a wider type.
9734 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9736 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9737 tm_file on Solaris 10 and later.
9738 (sparc64-*-solaris2*): Likewise.
9739 (sparc-*-solaris2*): Likewise.
9740 * config/sol26.h: Rename to config/sol2-6.h.
9741 * config/sol2-10.h: New file.
9743 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9746 * tree-ssa-pre.c (create_component_ref_by_pieces):
9749 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9752 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9753 return it immediately.
9755 2006-03-21 Michael Matz <matz@suse.de>
9757 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9759 (remove_arc, add_arc): Update num_out_arcs member.
9760 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9762 (cache_presence): New function.
9763 (compare_states_for_equiv): New function.
9764 (state_is_differed): Don't take number of outargs, adjust callers.
9765 Use new invariant for speeding up.
9766 (init_equiv_class): Create initial classes based on sorted
9768 (partition_equiv_class): Don't track out_arcs_num.
9769 (evaluate_equiv_classes): Call cache_presence on all states and
9772 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9774 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9775 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9776 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9777 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9779 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9780 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9781 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9782 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9783 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9785 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9786 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9787 (REGNO_REG_CLASS): ARGP is in PREGS.
9788 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9790 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9791 to deal with those addresses.
9792 * addresses.h: New file.
9793 * caller-save.c: Include "addresses.h".
9794 (init_caller_save): Use new base_reg_class function.
9795 * rtl-factoring.c: Include "addresses.h".
9796 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9797 * recog.c: Include "addresses.h".
9798 (preprocess_constraints): Use new base_reg_class function.
9799 * regrename.c: Include "addresses.h".
9800 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9801 functions. Keep track of a new var INDEX_CODE to compute valid
9803 (replace_oldest_value_addr): Likewise.
9804 (replace_oldest_value_mem): Use base_reg_class.
9805 * reload.c: Include "addresses.h".
9806 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9807 (find_reloads): Use new base_reg_class function.
9808 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9809 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9810 all callers and prototype changed.
9811 * reload1.c: Include "addresses.h".
9812 (maybe_fix_stack_asms): Use base_reg_class.
9813 * regclass.c: Include "addresses.h".
9814 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9815 (init_reg_autoinc): Use new base_reg_class function.
9816 (record_reg_classes): Likewise.
9817 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9818 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9819 Use new args to compute necessary class.
9821 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9822 regrename.o, rtl-factoring.o): Update dependencies.
9823 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9824 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9825 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9826 REG_OK_FOR_INDEX_P): Delete documentation.
9828 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9830 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9831 from V7 to V9 for Solaris 7 and above.
9833 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9835 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9836 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9837 argument pointers may not alias any other storage.
9838 * common.opt: Define option -fargument-noalias-anything.
9839 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9840 alias semantics is specified by flag_argument_noalias > 2.
9842 2006-03-20 Jeff Law <law@redhat.com>
9844 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9845 (pass_phi_only_cprop): Declare.
9846 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9848 * tree-ssa-dom.c (degenerate_phi_result): New function.
9849 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9850 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9851 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9852 (eliminate_degenerate_phis): Likewise.
9853 (pass_phi_only_cprop): New pass descriptor.
9854 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9855 support code. Callers updated.
9856 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9857 (store_copy_prop): Likewise.
9858 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9860 2006-03-20 Jason Merrill <jason@redhat.com>
9863 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9864 (push_visibility, pop_visibility): Likewise.
9865 * c-pragma.h: Declare them.
9867 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9869 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9871 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9872 parameter and use get_ebb_head_tail.
9873 (sh_md_init_global): Adjust uses of find_regmode_weight.
9875 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9877 * function.h (struct function) <x_tail_recursion_reentry>:
9878 Rename to x_stack_check_probe_note.
9879 (tail_recursion_reentry): Rename to stack_check_probe_note.
9880 * function.c: Replace tail_recursion_reentry with
9881 stack_check_probe_note everywhere.
9882 (expand_function_start): Only emit a note for
9883 stack_check_probe_note with -fstack-protect.
9884 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9886 * emit-rtl.c (remove_unnecessary_notes): Remove.
9887 (pass_remove_unnecessary_notes): Remove.
9888 * rtl.h (remove_unnecessary_notes): Remove prototype.
9889 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9890 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9891 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9893 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9896 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9897 (valid_in_set): Handle ARRAY_REF.
9898 Change "if min_variant or VH" to asserts.
9899 (create_component_ref_by_pieces): Handle ARRAY_REF.
9900 (create_expression_by_pieces): Likewise.
9901 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9903 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9905 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9906 is operand of switch, not str[0].
9908 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9910 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9911 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9913 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9915 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9916 end of insn_extra_address_constraint declaration.
9918 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9920 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9921 (no-sum-in-toc): Same.
9922 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9924 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9925 NO_FP_IN_TOC for -fPIC instead of mask.
9927 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9928 (BOOT_LDFLAGS): Delete.
9930 * config/rs6000/t-aix52: Same.
9932 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9933 (stmsi[345678]_power): New.
9935 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9937 * config/ia64/ia64.opt: Add empty line to end of file.
9939 2006-03-17 Richard Guenther <rguenther@suse.de>
9942 * builtins.c (get_pointer_alignment): For component style references
9943 adjust alignment to the component type alignment. Make sure
9944 to adjust alignment for component access of constants.
9946 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9948 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9951 2006-03-17 Paul Brook <paul@codesourcery.com>
9953 * doc/install.texi: Docuemnt --with-mode.
9954 * config.gcc: Add --with-mode for arm*-*-*.
9955 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9957 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9959 * sh.c (max_labelno_before_reorg): New variable.
9960 (sh_reorg): Initialize it.
9961 (find_barrier): Check max_labelno_before_reorg before using
9962 label_to_alignment. Take length of explicit alignment insns
9963 into account. When seeing a UNSPECV_CONST_END, return it.
9965 * sh.c (fixup_mova): Set mode of affected label to QImode.
9966 (untangle_mova): New function.
9967 (find_barrier): Use it. Check mode of label before decrementing
9969 (sh_reorg): Likewise.
9970 Set mode of all insns back to VOIDmode.
9972 * sh.c (MOVA_LABELREF): New macro.
9973 (mova_p, fixup_mova, sh_reorg): Use it.
9974 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9975 ADDR_DIFF_VEC matches mova.
9977 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9979 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9980 with ATTRIBUTE_UNUSED.
9982 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9984 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9985 pointer, instead of assuming it is possible to derive the
9986 correct args size from a call insn.
9988 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9990 * rtl.h (CONST_INT_P): Define.
9991 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9992 instead of GET_CODE(x) == CONST_INT.
9993 (vax_rtx_costs): Likewise.
9994 (vax_output_int_move): Likewise.
9995 (vax_output_int_add): Likewise.
9996 (legitimate_constant_address_p): Likewise.
9997 (index_term_p): Likewise.
9998 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9999 * config/vax/vax.md (and<mode>3): Likewise.
10000 (ashrsi3): Likewise.
10002 (movstricthi): Likewise.
10003 (movstrictqi): Likewise.
10004 (rotrsi3): Likewise.
10005 (five unnamed insns): Likewise.
10007 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10009 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10010 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10011 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10012 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10013 Pass to ASM_OUTPUT_DWARF_OFFSET.
10014 * dwarf2out.c (debug_frame_section): New.
10015 (output_call_frame_info): Use debug_frame_section. Pass it to
10016 dw2_asm_output_offset.
10017 (output_die): Pass appropriate section to dw2_asm_output_offset.
10018 (output_compilation_unit_header): Likewise.
10019 (output_pubnames): Likewise.
10020 (output_aranges): Likewise.
10021 (enum dw_val_class): Break dw_val_class_lbl_offset into
10022 dw_val_class_lineptr and dw_val_class_macptr.
10023 (add_AT_lbl_offset): Delete.
10024 (add_AT_lineptr): New.
10025 (add_AT_macptr): New.
10026 (AT_lbl): Expect a lineptr or macptr.
10027 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10028 (attr_checksum): Likewise.
10029 (same_dw_val_p): Likewise.
10030 (size_of_die): Likewise.
10031 (value_format): Likewise.
10032 (output_die): Likewise.
10033 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10035 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10036 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10037 * config/darwin-protos.h (darwin_file_start): New.
10038 (darwin_asm_output_dwarf_offset): New.
10039 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10040 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10042 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10043 if not EH section; simplify.
10044 (darwin_file_start): New.
10045 (darwin_asm_output_dwarf_offset): New.
10046 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10048 (DEBUG_INFO_SECTION): Likewise.
10049 (DEBUG_ABBREV_SECTION): Likewise.
10050 (DEBUG_ARANGES_SECTION): Likewise.
10051 (DEBUG_MACINFO_SECTION): Likewise.
10052 (DEBUG_LINE_SECTION): Likewise.
10053 (DEBUG_LOC_SECTION): Likewise.
10054 (DEBUG_PUBNAMES_SECTION): Likewise.
10055 (DEBUG_STR_SECTION): Likewise.
10056 (DEBUG_RANGES_SECTION): Likewise.
10057 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10058 (ASM_OUTPUT_DWARF_OFFSET): New.
10060 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10062 * config.gcc (tm_defines): Always add to previous value rather
10065 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10067 * config/mips/predicates.md (splittable_const_int_operand): New,
10068 split from move_operand.
10069 (splittable_symbolic_operand): New.
10070 (move_operand): Add commentary. Use splittable_const_int_operand.
10071 Inline mips_atomic_symbolic_constant_p.
10072 * config/mips/mips.md: Add combine splitters for handling moves
10073 of splittable_const_int_operands and splittable_symbolic_operands.
10074 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10075 (mips_split_symbol): Declare.
10076 (mips_move_integer): Declare.
10077 * config/mips/mips.c (mips_split_p): Make global.
10078 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10079 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10080 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10081 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10082 (mips_offset_within_object_p): Handle block symbols.
10083 (mips_atomic_symbolic_constant_p): Delete.
10084 (mips_cannot_force_const_mem): Return false for constants that
10085 mips_legitimize_move can handle.
10086 (mips_use_blocks_for_constant_p): New function.
10087 (mips_split_symbol): Make global.
10088 (mips_move_integer): Likewise. Add a temporary register argument.
10089 (mips_legitimize_const_move): Use splittable_const_int_operand and
10090 splittable_symbolic_operand.
10091 (mips_use_anchors_for_symbol_p): New function.
10092 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10093 (mips_split_p): Declare.
10095 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10097 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10098 (mips*-*-linux*): Likewise.
10100 2006-03-16 Roger Sayle <roger@eyesopen.com>
10101 Daniel Speyer <dspeyer@wam.umd.edu>
10103 PR middle-end/18259
10104 * tree-dump.c (dump_real): New function.
10105 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10106 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10107 (tree-dump.o): Add $(REAL_H) to the dependencies.
10109 2006-03-16 Roger Sayle <roger@eyesopen.com>
10111 PR middle-end/21781
10112 * real.c (real_from_string): If the mantissa is zero, don't bother
10113 parsing the exponent as the result should always be zero.
10115 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10117 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10119 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10121 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10122 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10123 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10124 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10125 ia64_sched_finish_global): New static functions to implement
10126 hooks from gcc_target.sched.
10127 (spec_check_no, max_uid, pending_data_specs): New static variables.
10128 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10129 ia64_spec_check_src_p): New static functions.
10130 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10131 (TARGET_SCHED_ADJUST_COST): Removed.
10132 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10133 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10134 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10135 TARGET_SCHED_GEN_CHECK,
10136 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10137 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10138 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10139 Fixed to handle speculation checks.
10140 (rtx_needs_barrier): Fixed to handle speculative loads and
10142 (ia64_variable_issue): Added code to count speculative loads and their
10144 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10146 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10148 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10150 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10151 (ia64_reorg): Reset stops_p to NULL after it is freed.
10152 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10153 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10154 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10156 (data_speculative, control_speculative, check_load): New attributes.
10157 (mov<mode>_advanced, mov<mode>_speculative,
10158 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10159 zero_extend<mode>di2_speculative,
10160 zero_extend<mode>di2_speculative_advanced): New patterns for
10161 data and control speculative loads.
10162 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10164 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10165 New pattern for data and control speculation checks.
10166 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10167 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10168 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10169 Auxiliary definitions for the patterns.
10170 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10171 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10173 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10175 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10176 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10177 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10178 New resource constraints.
10179 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10181 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10182 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10183 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10184 msched-in-control-spec, msched-ldc, msched-control-ldc,
10185 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10186 msched-prefer-non-control-spec-insns,
10187 msched-count-spec-in-critical-path): New flags to tune speculative
10189 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10190 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10191 msched-in-control-spec, msched-ldc, msched-control-ldc,
10192 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10193 msched-prefer-non-control-spec-insns,
10194 msched-count-spec-in-critical-path): Document new flags.
10196 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10198 * target.h (struct spec_info_def): New opaque declaration.
10199 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10200 speculate_insn, needs_block_p, gen_check,
10201 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10202 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10203 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10204 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10205 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10206 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10208 (TARGET_SCHED): Use new macros.
10209 * rtl.h (copy_DEPS_LIST_list): New prototype.
10210 * sched-int.h (struct sched_info): Change signature of new_ready field,
10211 adjust all initializations. New fields: add_remove_insn,
10212 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10213 region_head_or_leaf_p.
10214 (struct spec_info_def): New structure declaration.
10215 (spec_info_t): New typedef.
10216 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10217 recovery_block, orig_pat.
10218 (glat_start, glat_end): New variables declaraions.
10219 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10221 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10222 DETACH_LIFE_INFO, USE_GLAT.
10223 (enum SPEC_SCHED_FLAGS): New enumeration.
10224 (NOTE_NOTE_BB_P): New macro.
10225 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10226 attach_life_info, debug_spec_status, check_reg_live): New functions.
10227 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10228 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10230 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10231 * ddg.c (get_block_head_tail): Adjust all uses.
10232 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10233 (sms_sched_info): Initialize new fields.
10234 (contributes_to_priority): Removed.
10235 * haifa-sched.c (params.h): New include.
10236 (get_block_head_tail): Adjust all uses.
10237 (ISSUE_POINTS): New macro.
10238 (glat_start, glat_end): New global variables.
10239 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10240 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10241 old_last_basic_block, before_recovery, current_sched_info_var,
10242 rgn_n_insns, luid): New static variables.
10243 (insn_cost1): New function. Move logic from insn_cost to here.
10244 (find_insn_reg_weight1): New function. Move logic from
10245 find_insn_reg_weight to here.
10246 (reemit_notes, move_insn, max_issue): Change signature.
10247 (move_insn1): Removed.
10248 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10249 extend_bb): New static functions to support extension of scheduler's
10251 (generate_recovery_code, process_insn_depend_be_in_spec,
10252 begin_speculative_block, add_to_speculative_block,
10253 init_before_recovery, create_recovery_block, create_check_block_twin,
10254 fix_recovery_deps): New static functions to support
10255 generation of recovery code.
10256 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10257 restore_bb_notes, move_block_after_check, move_succs): New static
10258 functions to support ebb scheduling.
10259 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10260 functions to support handling of register live information.
10261 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10262 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10263 add_jump_dependencies): New static functions.
10264 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10265 consistancy checking.
10266 (debug_spec_status): New function to call from debugger.
10267 (priority): Added code to handle speculation checks.
10268 (rank_for_schedule): Added code to distinguish speculative instructions.
10269 (schedule_insn): Added code to handle speculation checks.
10270 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10271 Fixed to handle ebbs.
10272 (move_insn): Added code to handle ebb scheduling.
10273 (max_issue): Added code to use ISSUE_POINTS of instructions.
10274 (choose_ready): Added code to choose between speculative and
10275 non-speculative instructions.
10276 (schedule_block): Added code to handle ebb scheduling and scheduling of
10277 speculative instructions.
10278 (sched_init): Initialize new variables.
10279 (sched_finish): Free new variables. Print statistics.
10280 (try_ready): Added code to handle speculative instructions.
10281 * lists.c (copy_DEPS_LIST_list): New function.
10282 * sched-deps.c (extend_dependency_caches): New function. Move logic
10283 from create_dependency_caches to here.
10284 (get_dep_weak, ds_merge): Make global.
10285 * genattr.c (main): Code to output prototype for
10286 dfa_clear_single_insn_cache.
10287 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10288 (output_dfa_clean_insn_cache_func): Code to output
10289 dfa_clear_single_insn_cache function.
10290 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10292 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10294 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10295 New static variables.
10296 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10297 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10299 (ebb_sched_info): Initialize new fields.
10300 (get_block_head_tail): Adjust all uses.
10301 (compute_jump_reg_dependencies): Fixed to use glat_start.
10302 (schedule_ebb): Code to remove unreachable last block.
10303 (schedule_ebbs): Added code to update register live information.
10304 * sched-rgn.c (region_sched_info): Initialize new fields.
10305 (get_block_head_tail): Adjust all uses.
10306 (last_was_jump): Removed. Adjust users.
10307 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10308 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10309 Implement new hooks.
10310 (check_dead_notes1): New static function.
10311 (struct region): New fields: dont_calc_deps, has_real_ebb.
10312 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10313 (BB_TO_BLOCK): Fixed to handle EBBs.
10314 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10315 (ebb_head): New static variable.
10316 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10317 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10319 (compute_dom_prob_ps): New assertion.
10320 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10321 global_live_at_start.
10322 (init_ready_list): New assertions.
10323 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10324 (new_ready): Add support for BEGIN_CONTROL speculation.
10325 (schedule_insns): Fixed code that updates register live information
10327 (schedule_region): Fixed to handle EBBs.
10328 (init_regions): Use extend_regions and check_dead_notes1.
10329 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10330 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10331 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10332 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10333 TARGET_SCHED_GEN_CHECK,
10334 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10335 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10336 * doc/invoke.texi (max-sched-insn-conflict-delay,
10337 sched-spec-prob-cutoff): Document.
10339 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10341 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10342 inter_tick, queue_index.
10343 (struct sched_info): Change signature of init_ready_list field.
10344 Adjust all initializations.
10345 (RESOLVED_DEPS): New access macro.
10346 (ready_add): Remove prototype.
10347 (try_ready): Add prototype.
10348 * sched-rgn.c (init_ready_list): Use try_ready.
10349 (schedule_region): Initialize
10350 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10351 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10352 (init_ready_list): Use try_ready.
10353 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10354 * lists.c (remove_list_elem): Remove `static'.
10355 (remove_free_INSN_LIST_elem): New function.
10356 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10357 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10358 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10360 (readyp): New variable.
10361 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10362 change_queue_index, resolve_dep): New static functions.
10363 (try_ready): New function. Adjust callers in sched-rgn.c and
10364 sched-ebb.c to use it instead of ready_add.
10365 (clock_var): Move at the begining of file.
10366 (rank_for_schedule): Fix typo.
10367 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10368 (ready_lastpos): Enforce assertion.
10369 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10370 update all callers.
10371 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10372 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10373 (queue_to_ready): Use free_INSN_LIST_list.
10374 (early_queue_to_ready): Fix typo.
10375 (schedule_block): Init readyp. Move init_ready_list call after the
10376 initialization of clock_var. Fix error in rejecting insn by
10377 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10378 that previously corrected INSN_TICKs. Add code for handling
10380 (set_priorities): Fix typo.
10381 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10382 Clarify comment and code that keeps current_sched_info->next_tail
10385 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10387 * sched-rgn.c (extend_rgns): New static function.
10388 (find_rgns): Use it.
10389 (gather_region_statistics, print_region_statistics): New static
10391 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10392 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10394 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10395 Andrey Belevantsev <abel@ispras.ru>
10397 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10398 * lists.c (unused_deps_list): New variable.
10399 (free_list): Add assertions to verify the proper distinguishing
10400 between INSN_LISTs and DEPS_LISTs.
10401 (find_list_elem, remove_list_elem, remove_list_node): New static
10403 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10404 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10405 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10406 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10408 (free_INSN_LIST_node): Likewise.
10409 * modulo-sched.c (current_sched_info): Initialize flags field.
10410 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10411 * rtl.def (DEPS_LIST): Define.
10412 * rtl.h: Declare new functions from lists.c.
10413 * sched-deps.c (spec_dependency_cache): New static variable.
10414 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10415 (add_dependence): Change return type to void. Move the logic to ...
10416 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10417 (delete_all_dependences): Add comment about forward_dependency_cache.
10418 Handle spec_dependency_cache. Handle DEPS_LISTs.
10419 (fixup_sched_groups): Clarify the change of priority of output
10420 and anti dependencies.
10421 (sched_analyze_2): Adjust add_dependence calls to create data
10422 speculative dependence.
10423 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10424 Adjust all callers. Handle DEPS_LISTS.
10425 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10426 presence of speculation.
10427 (init_dependency_caches, free_dependency_caches):
10428 Handle spec_dependency_cache.
10429 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10430 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10431 New static functions.
10432 (add_or_update_back_dep, add_or_update_back_forw_dep,
10433 add_back_forw_dep, delete_back_forw_dep): New functions.
10434 * sched-int.h (ds_t, dw_t): New typedefs.
10435 (struct sched_info): Add new field flags.
10436 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10437 Prototype new sched-deps.c functions.
10438 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10439 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10440 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10441 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10442 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10443 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10445 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10447 * sched-rgn.c (current_sched_info): Initialize flags field.
10448 (schedule_insns): Initialize current_sched_info before the sched_init
10450 * sched-ebb.c (current_sched_info): Initialize flags field.
10451 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10452 Call add_or_update_back_dep instead of add_dependence.
10453 Create control speculative dependencies.
10454 (schedule_insns): Initialize current_sched_info before the sched_init
10457 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10459 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10461 (sh_fallback_frame_state): Likewise.
10463 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10465 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10466 Do switch on default_use_cxa_atexit.
10467 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10468 * config/darwin-crt3.o: New.
10469 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10470 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10471 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10473 * config/rs6000/t-darwin: Move crt2.o building to here.
10474 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10475 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10478 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10480 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10481 from '! xxx' to '!xxx' for coding-style conformance.
10482 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10483 (EXTRA_CONSTRAINT): Likewise.
10484 * config/vax/vax.md (four unnamed insns): Likewise.
10486 2006-03-15 Paul Brook <paul@codesourcery.com>
10488 * config/arm/arm.c (minipool_pad): New.
10489 (add_minipool_forward_ref): Include pool alignment padding in address
10491 (push_minipool_fix): Set minipool_pad.
10492 (minipool_pad): Ditto.
10494 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10496 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10497 instead of GET_CODE() == MEM and REG_P() instead of
10499 (print_operand_address): Likewise.
10500 (vax_address_cost): Likewise.
10501 (vax_rtx_costs): Likewise.
10502 (vax_notice_update_cc): Likewise.
10503 (vax_output_int_add): Likewise.
10504 (INDEX_REGISTER_P): Likewise.
10505 (BASE_REGISTER_P): Likewise.
10506 (nonindexed_address_p): Likewise.
10507 (vax_mode_dependent_address_p): Likewise.
10508 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10509 (PRINT_OPERAND): Likewise.
10510 * config/vax/vax.md (ashlsi3): Likewise.
10511 (ashlsi3): Likewise.
10512 (some more unnamed insns): Likewise.
10514 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10516 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10517 iterator-style macro.
10518 (mark_control_dependent_edges_necessary): Update the use of
10519 EXECUTE_IF_CONTROL_DEPENDENT.
10521 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10523 * config/sh/predicates.md (cache_address_operand): Special.
10524 (ua_address_operand): Likewise.
10526 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10528 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10530 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10532 2006-03-15 Andreas Schwab <schwab@suse.de>
10534 * gensupport.c (identify_predicable_attribute): Don't free p_false
10535 when it is still in use.
10537 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10539 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10540 the default setting here.
10542 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10544 * tree-pass.h (pass_cfg): Remove.
10545 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10546 * passes.c (pass_cfg): Don't run it.
10548 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10550 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10551 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10553 (stack_regs_mentioned): Update the uses of
10554 stack_regs_mentioned_data. Don't access the array beyond its
10556 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10557 Don't include gt-reg-stack.h.
10559 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10560 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10562 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10564 PR middle-end/26684
10565 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10568 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10570 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10572 2006-03-14 Richard Guenther <rguenther@suse.de>
10574 PR tree-optimization/26672
10575 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10578 2006-03-14 Richard Guenther <rguenther@suse.de>
10580 PR tree-optimization/26667
10581 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10582 node for the callees. Always allow inlining if it will shrink
10585 2006-03-14 Richard Guenther <rguenther@suse.de>
10587 PR middle-end/26659
10588 * builtins.c (get_pointer_alignment): Prefer alignment
10589 information from decls over that from types.
10591 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10594 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10596 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10598 * config/rs6000/rs6000.opt (mdlmzb): New option.
10599 (msched-prolog, msched-epilog): Use Var not Mask.
10600 * doc/invoke.texi (-mdlmzb): Document.
10601 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10603 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10604 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10606 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10608 PR rtl-optimization/25739
10609 * bt-load.c (augment_live_range): Free tos pointer.
10611 * gensupport.c (identify_predicable_attribute): Free
10613 * gcov.c (create_file_names): Free name pointer.
10615 2006-03-13 Roger Sayle <roger@eyesopen.com>
10617 PR middle-end/26557
10618 * stmt.c (emit_case_nodes): Handle the case where the index is a
10619 CONST_INT, where the comparison mode is specified by the index type.
10621 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10623 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10626 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10628 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10629 (*branch_fp_inverted): Likewise.
10631 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10633 PR middle-end/25989
10634 * omp-low.c (expand_omp_for_generic): Mark istart0
10635 and iend0 as addressable.
10637 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10639 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10641 2006-03-13 Jeff Law <law@redhat.com>
10643 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10644 virtual operands are interesting.
10645 (vrp_visit_stmt): Corresponding changes.
10647 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10649 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10651 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10652 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10653 * config/bfin/crti.S: Use it instead of __PIC__.
10654 * config/bfin/crtn.S: Likewise.
10656 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10657 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10659 Lose 'G' modifier for call operand.
10660 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10661 recognize 'G' modifier.
10663 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10665 PR middle-end/18859
10666 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10667 * stmt.c (expand_case): Likewise.
10669 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10671 PR rtl-optimization/26254
10672 * loop-invariant.c (seq_insns_valid_p): New function.
10673 (move_invariant_reg): Only emit new code if it is valid.
10675 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10677 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10679 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10680 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10681 (commit_one_edge_insertion): Do not look for loop notes.
10683 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10685 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10686 flag_test_coverage out of loop.
10688 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10690 * final.c (shorten_branches): Remove outdated comment, and turn
10691 the if branch that guards it to continue.
10693 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10695 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10696 * cfgloop.h (struct loop): Remove unused fields.
10698 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10700 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10701 (-dL, -fdump-rtl-loop2): Update the dump file names
10703 * doc/invoke.texi: Update dump file names.
10705 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10707 * predict.c (estimate_probability): Remove.
10708 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10709 * basic-block.h (estimate_probability): Remove prototype.
10710 * passes.c (finish_optimization_passes): Dump branch prediction or
10711 profiling heuristics to the .profile tree dump.
10712 (init_optimization_passes): Unqueue pass_branch_prob.
10714 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10716 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10718 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10719 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10721 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10723 * function.h (frame_offset_overflow): Declare.
10724 * function.c (frame_offset_overflow): New function.
10725 (assign_stack_local_1): Call it to detect that the offset overflows.
10726 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10728 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10730 * config/sh/sh.c: Include alloc-pool.h.
10731 (label_ref_list_pool): New alloc pool.
10732 (label_ref_list_t): New type for lists of labels.
10733 (struct pool_node): Make wend a label_ref_list_t.
10734 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10736 (dump_table): Likewise.
10737 (sh_reorg): Set up the alloc pool before using add_constant and
10738 dump_table, and destroy it when finishing.
10740 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10742 * config/mips/mips.c: Remove redundant comment.
10744 2006-03-10 Jason Merrill <jason@redhat.com>
10747 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10748 the target was declared 'register'.
10750 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10752 * genpreds.c (write_insn_constraint_len): Change definition of
10753 insn_constraint_len to return size_t to match the declaration.
10755 2006-03-10 DJ Delorie <dj@redhat.com>
10757 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10759 (m32c_expand_insv): Fix test for an AND mask.
10761 2006-03-10 Richard Guenther <rguenther@suse.de>
10763 PR middle-end/26565
10764 * builtins.c (get_pointer_alignment): Handle component
10765 references for field alignment.
10767 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10769 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10770 when building with libgloss.
10771 (sh*elf): Implement --without-fp option.
10772 (sh64-superh-linux*): Don't multilib.
10774 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10776 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10778 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10780 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10781 Set it when one of the replacement functions returned true.
10782 Return TODO_cleanup_cfg if cfgchanged is true.
10783 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10785 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10787 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10788 instead of gen_lowpart.
10790 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10792 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10794 (mips_output_order_conditional_branch): Declare.
10795 * config/mips/mips.h (MIPS_BRANCH): New macro.
10796 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10797 for the comparison. Use gen_condjump.
10798 (mips_output_conditional_branch): Rework interface to take the
10799 asm templates for a direct branch and the inverse of a direct branch.
10800 (mips_output_order_conditional_branch): New function.
10801 (mips_builtin_branch_and_move): New function.
10802 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10803 branch condition. Use gen_single_cc as the condition for
10804 __builtin_mips_upper_* or __builtin_mips_lower_*.
10805 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10806 Use VOIDmode for the branch condition.
10807 * config/mips/predicates.md (order_operator): New predicate.
10808 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10809 (branch_fp): Rename to...
10810 (*branch_fp): ...this. Remove mode from comparison operator.
10811 Use new mips_output_conditional_branch interface.
10812 (branch_fp_inverted): Rename to...
10813 (*branch_fp_inverted): ...this and update as for *branch_fp.
10814 (*branch_zero<mode>): Rename to...
10815 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10816 Use mips_output_order_conditional_branch. Only accept ordered
10818 (*branch_zero<mode>_inverted): Rename to...
10819 (*branch_order<mode>_inverted): ...this and update as for
10820 *branch_order<mode>.
10821 (*branch_equality<mode>): Accept zero as the second operand to
10822 the equality operator. Use the new mips_output_conditional_branch
10824 (*branch_equality<mode>_inverted): Likewise.
10825 (condjump): New expander.
10826 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10828 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10829 (bc1any2t, bc1any2f): Likewise.
10830 (single_cc): New expander.
10831 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10833 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10835 * doc/md.texi: Update documentation of MIPS constraints.
10836 * config/mips/constraints.md: New file.
10837 * config/mips/mips.md: Include it.
10838 * config/mips/mips.c (mips_char_to_class): Delete.
10839 (override_options): Don't initialize mips_char_to_class.
10840 * config/mips/mips.h (mips_char_to_class): Delete.
10841 (REG_CLASS_FROM_LETTER): Delete.
10842 (CONST_OK_FOR_LETTER_P): Delete.
10843 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10844 (EXTRA_CONSTRAINT_Y): Delete.
10845 (EXTRA_CONSTRAINT_STR): Delete.
10846 (CONSTRAINT_LEN): Delete.
10847 (EXTRA_MEMORY_CONSTRAINT): Delete.
10849 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10851 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10852 original fn's eh regions.
10854 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10856 * fold-const.c (build_range_check): Make sure to use a valid type to
10857 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10860 (range_predecessor): New static function.
10861 (range_successor): Likewise.
10862 (merge_ranges): Use them to compute predecessors and successors of
10865 2006-03-09 Roger Sayle <roger@eyesopen.com>
10867 PR middle-end/26561
10868 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10869 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10871 2006-03-08 DJ Delorie <dj@redhat.com>
10873 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10874 (addpsi3): Expand to include memory operands. Remove
10875 reload-specific splits.
10876 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10877 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10878 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10879 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10880 (shift1_qi, shift1_hi, insv): New.
10881 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10882 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10883 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10885 * config/m32c/m32c-protos.h: Update as needed.
10886 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10887 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10888 Fail for unrecognized R* constraints.
10889 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10890 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10891 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10893 (m32c_init_libfuncs): New.
10894 (m32c_legitimate_address_p): Add debug wrapper.
10895 (m32c_rtx_costs): New.
10896 (m32c_address_cost): New.
10897 (conversions): Add 'B' prefix.
10898 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10899 operands, or word regnames for QI operands. 'B' prints bit
10901 (m32c_expand_setmemhi): New.
10902 (m32c_expand_movmemhi): New.
10903 (m32c_expand_movstr): New.
10904 (m32c_expand_cmpstr): New.
10905 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10906 (m32c_expand_neg_mulpsi3): Handle non-ints.
10907 (m32c_cmp_flg_0): New.
10908 (m32c_expand_movcc): New.
10909 (m32c_expand_insv): New.
10910 (m32c_scc_pattern): New.
10911 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10912 a0/a1 out of SIregs.
10913 (STORE_FLAG_VALUE): New.
10914 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10917 * config/m32c/mov.md: Make constraints more liberal.
10918 (zero_extendqihi2): Optimize r0/r1 case.
10919 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10920 * config/m32c/predicates.md (m32c_any_operand): New.
10921 (m32c_nonimmediate_operand): New.
10922 (m32c_hl_operand): New.
10923 (m32c_r3_operand): New.
10926 (memsym_operand): New.
10927 (memimmed_operand): New.
10928 (a_qi_operand): New.
10929 (m32c_eqne_operator): New.
10930 (m32c_1bit8_operand): New.
10931 (m32c_1bit16_operand): New.
10932 (m32c_1mask8_operand): New.
10933 (m32c_1mask16_operand): New.
10934 * config/m32c/blkmov.md: New file.
10935 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10937 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10939 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10940 unsigned to fix signed/unsigned comparison issue in
10941 DWARF2_FRAME_REG_OUT.
10942 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10943 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10945 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10946 of ptr into the ENABLE_CHECKING section.
10948 2006-03-08 Jeff Law <law@redhat.com>
10950 * tree-vrp.c (infer_value_range): Only count pointer uses
10951 and dereferences if -fdelete-null-pointer-checks is enabled.
10953 * tree-vrp.c (find_assert_locations): Infer value ranges for
10954 single use pointers, but do not create ASSERT_EXPRs for them.
10955 When a non-null range is inferred for a pointer, backwards
10956 propagate that range to other equivalent pointers through the
10959 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10962 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10963 language hook targets.
10964 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10965 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10966 if language hook targets were missing.
10968 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10970 * tree-ssa-opfinalize.h: Removed.
10971 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10973 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10974 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10975 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10976 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10977 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10978 finalize_ssa_v_must_def_ops): New.
10980 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10982 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10983 block as parameter.
10985 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10987 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10989 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10990 addresses with offsets; reorganize.
10992 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10993 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10994 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10996 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10999 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11001 2006-03-08 Ben Elliston <bje@au.ibm.com>
11003 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11005 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11008 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11011 2006-03-07 Richard Guenther <rguenther@suse.de>
11013 PR tree-optimization/26587
11014 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11016 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11018 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11020 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11022 * hooks.c (hook_bool_mode_rtx_true): New function.
11023 * hooks.h (hook_bool_mode_rtx_true): Declare.
11024 * toplev.c (compile_file): Call output_shared_constant_pool.
11025 * varasm.c (shared_constant_pool): New variable.
11026 (assemble_start_function, assemble_end_function): Remove arguments
11027 from call to output_constant_pool.
11028 (create_constant_pool): New function, split out from...
11029 (init_varasm_status): ...here.
11030 (force_const_mem): Choose between the shared and per-function constant
11031 pools. Set current_function_uses_const_pool when reusing old entries
11032 as well as when creating new ones.
11033 (mark_constant): Ignore data argument.
11034 (mark_constants): Remove pool argument.
11035 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11036 to decide whether the function uses a constant pool.
11037 (output_constant_pool_contents): New function, split out from...
11038 (output_constant_pool): ...here.
11039 (output_shared_constant_pool): New function.
11040 (init_varasm_once): Initialize shared_constant_pool.
11041 * output.h (output_constant_pool): Delete.
11042 (output_shared_constant_pool): Declare.
11043 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11044 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11046 2006-03-06 Nick Clifton <nickc@redhat.com>
11048 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11049 flag_strength_reduce.
11051 2006-03-06 Ben Elliston <bje@au.ibm.com>
11053 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11054 x86_64-*-linux* configurations.
11056 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11057 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11059 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11061 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11063 * basic-block.h: Remove the extern for
11064 rediscover_loops_after_threading.
11066 * cfgloop.c (cancel_loop): Make it static.
11067 * cfgloop.h: Remove the prototype for cancel_loop.
11069 * flow.c (recompute_reg_usage): Make it static.
11070 * rtl.h: Remove the prototype for recompute_reg_usage.
11072 * function.c (use_return_register): Make it static.
11073 * function.h: Remove the prototype.
11075 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11077 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11079 * recog.h: Remove the prototype for
11080 validate_change_maybe_volatile.
11082 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11084 * rtlanal.c (replace_reg): Remove.
11085 * rtl.h: Remove the prototype for replace_reg.
11087 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11089 * regclass.c (reg_scan_update): Remove.
11090 (reg_scan_mark_refs): Remove the last argument.
11091 * rtl.h: Remove the prototype for reg_scan_update.
11093 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11095 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11096 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11097 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11098 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11099 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11100 loop-invariant.c, omp-low.c, opts.c, passes.c,
11101 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11102 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11103 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11104 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11105 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11106 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11108 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11110 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11111 * dwarf2out.h: Remove the prototype for
11112 dwarf2out_add_library_unit_info.
11114 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11116 * tree.c (add_var_to_bind_expr): Remove.
11117 * tree.h: Remove the prototype for add_var_to_bind_expr.
11119 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11121 * regclass.c (n_non_fixed_regs): Remove.
11122 (init_reg_sets_1, globalize_reg): Remove all uses of
11124 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11126 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11128 * rtlanal.c (insns_safe_to_move_p): Remove.
11129 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11131 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11133 * expmed.c (expand_mult_add): Remove.
11134 * expr.h: Remove the prototype for expand_mult_add.
11136 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11138 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11139 and REG_SAVED_VAL_EXP constants.
11140 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11141 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11142 Handle regs stored by value.
11143 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11144 (execute_cfa_program): Handle DW_CFA_val_offset,
11145 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11146 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11147 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11148 (uw_install_context_1): Handle target regs stored by value.
11150 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11152 * tree-sra.c (tree_sra): Return todoflags;
11153 (generate_one_element): Set TODO_update_smt_usage if needed.
11154 (pass_sra): Remove TODO_update_smt_usage.
11155 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11157 (tree_ssa_forward_propagate_single_use_vars): Return
11158 TODO_update_smt_usage if we need to update SMT usage.
11159 (pass_forwprop): Remove TODO_update_smt_usage.
11161 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11163 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11164 (correct_use_link): Remove reference to get_stmt_operands.
11165 (update_stmt_operands): Likewise.
11166 (get_modify_expr_operands): New function factored out of
11167 parse_ssa_operands and get_expr_operands.
11168 Try to create V_MUST_DEFs for LHS by default.
11169 (get_expr_operands) <case MODIFY_EXPR>: Call
11170 get_modify_expr_operands.
11171 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11172 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11173 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11174 get_modify_expr_operands.
11176 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11178 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11179 * tree-flow.h: Remove the prototype for
11180 referenced_var_lookup_if_exists.
11182 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11184 PR rtl-optimization/26345
11186 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11188 2006-03-03 Roger Sayle <roger@eyesopen.com>
11190 PR tree-optimization/26524
11191 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11192 fold_convert to create a constant of the appropriate type.
11194 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11196 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11197 SYMBOL_REF_IN_BLOCK_P.
11198 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11199 of SYMBOL_FLAG_IN_BLOCK.
11200 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11201 instead of SYMBOL_REF_IN_BLOCK_P.
11202 * explow.c (use_anchored_address): Likewise.
11203 * rtl.c (rtx_size): Likewise.
11204 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11205 instead of SYMBOL_FLAG_IN_BLOCK.
11206 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11207 SYMBOL_REF_IN_BLOCK_P.
11208 (assemble_variable): Likewise.
11209 (output_constant_def_contents): Likewise.
11210 (output_constant_pool): Likewise.
11211 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11212 instead of SYMBOL_FLAG_IN_BLOCK.
11213 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11214 SYMBOL_REF_IN_BLOCK_P.
11215 (SYMBOL_REF_BLOCK): Likewise.
11216 (SYMBOL_REF_OFFSET): Likewise.
11217 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11218 SYMBOL_REF_IN_BLOCK_P.
11219 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11220 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11221 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11222 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11224 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11226 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11228 2006-03-02 Roger Sayle <roger@eyesopen.com>
11230 * simplify-rtx.c (simplify_unary_operation): When simplifying
11231 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11232 that we perform the right shift in the appropriate mode, and
11233 then extend or truncate the result to requested mode.
11235 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11237 * gengtype.c (main): Handle double_int type.
11238 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11239 * double-int.c: New file.
11240 * double-int.h: New file.
11241 * system.h: Include doubleint.h.
11242 * Makefile.in (SYSTEM_H): Include double-int.h.
11243 (double-int.o): Add.
11245 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11248 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11251 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11253 * tree-vrp.c (remove_range_assertions): Do not update statements
11256 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11258 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11260 * gcse.c (rest_of_handle_gcse): Ditto.
11261 * except.c (gate_handle_eh): Ditto.
11262 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11263 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11265 2006-03-02 Eric Christopher <echristo@apple.com>
11267 * config/i386/i386.c (machopic_output_stub): Add indirection to
11270 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11274 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11276 Sun Niagara specific optimizations.
11277 * config.gcc: Recognize niagara as target.
11278 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11279 (TARGET_CPU_niagara): Define.
11280 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11281 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11282 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11283 (ASM_CPU_SPEC): Likewise.
11284 (PROCESSOR_NIAGARA): New enum entry.
11285 (REGISTER_MOVE_COST): Handle Niagara.
11286 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11287 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11288 (sparc_override_options): Recognize "niagara", set appropriate
11289 default MASK_* values for it, and align functions to 32-bytes
11290 by default just like ULTRASPARC/ULTRASPARC3.
11291 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11292 (sparc64_initialize_trampoline): Likewise.
11293 (sparc_use_sched_lookahead): Use zero for niagara.
11294 (sparc_issue_rate): Use one for niagara.
11295 * config/sparc/niagara.md: New file.
11296 * config/sparc/sparc.md: Include it.
11297 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11298 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11299 when default cpu is niagara.
11300 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11301 (ASM_CPU_SPEC): Likewise.
11302 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11303 when default cpu is niagara.
11304 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11305 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11306 just like v9/ultrasparc/ultrasparc3.
11307 * doc/invoke.texi: Add documentation for "niagara" and improve
11308 existing documentation for ultrasparc variants.
11310 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11312 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11314 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11316 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11317 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11318 and say that only one is needed.
11319 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11320 * target.h (have_switchable_bss_sections): New hook.
11321 * explow.c (use_anchored_address): Check that the symbol is in a block.
11322 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11323 (bss_noswitch_section): New variables.
11324 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11325 (get_noswitch_section): New function.
11326 (get_block_for_section): Allow SECT to be null.
11327 (unlikely_text_section_p): Use SECTION_STYLE.
11328 (bss_initializer_p): New function.
11329 (get_variable_section): Move earlier in file. Take a new argument,
11330 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11331 Return one of the new *_sections in such cases.
11332 (get_block_for_decl): New function, extracting some logic from
11333 use_blocks_for_decl_p.
11334 (change_symbol_section): Remove in favor of...
11335 (change_symbol_block): ...this new function.
11336 (use_blocks_for_decl_p): Remove checks now performed by
11337 get_block_for_decl.
11338 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11339 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11340 (emit_local, emit_bss, emit_common): ...these new functions.
11341 Return true if the alignment was honored.
11342 (emit_tls_common): New function.
11343 (asm_emit_uninitialised): Delete.
11344 (assemble_variable_noswitch): New function, split out from...
11345 (assemble_variable): ...here. Don't make decisions about common
11346 variables here. Globalize all public decls that go into non-common
11347 sections. Check whether SYMBOL_REF_BLOCK is null.
11348 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11349 (output_constant_pool): Likewise.
11350 (init_varasm_once): Initialize the new section variables.
11351 (have_global_bss_p): New function.
11352 (categorize_decl_for_section): Use bss_initializer_p.
11353 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11354 (place_block_symbol): Assert that the symbol must be in a block.
11355 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11356 (TARGET_INITIALIZER): Include it.
11357 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11358 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11359 (SECTION_MACH_DEP): Bump by two.
11360 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11361 (unnamed_section): Mention SECTION_UNNAMED in comment.
11362 (named_section): Likewise SECTION_NAMED.
11363 (noswitch_section_callback): New type.
11364 (noswitch_section): New structure.
11365 (section): Add a noswitch_section alternative.
11366 (SECTION_STYLE): New macro.
11367 (tls_comm_section, comm_section, lcomm_section): Declare.
11368 (bss_noswitch_section, have_global_bss_p): Declare.
11369 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11370 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11372 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11373 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11376 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11378 * tree-vrp.c (execute_vrp): Return value.
11379 * regrename.c (rest_of_handle_regrename): Ditto.
11380 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11381 * tree-complex.c (tree_lower_complex): Ditto.
11382 (tree_lower_complex_O0): Ditto.
11383 * tracer.c (rest_of_handle_tracer): Ditto.
11384 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11385 * postreload.c (rest_of_handle_postreload): Ditto.
11386 * tree-tailcall.c (execute_tail_recursion): Ditto.
11387 (execute_tail_calls): Ditto.
11388 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11389 * tree.h (init_function_for_compilation): Ditto.
11390 * ipa-cp.c (ipcp_driver): Ditto.
11391 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11392 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11393 * final.c (compute_alignments): Ditto.
11394 (rest_of_handle_final): Ditto.
11395 (rest_of_handle_shorten_branches): Ditto.
11396 (rest_of_clean_state): Ditto.
11397 * omp-low.c (execute_expand_omp): Ditto.
11398 (execute_lower_omp): Ditto.
11399 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11400 * ipa-reference.c (static_execute): Ditto.
11401 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11402 * reorg.c (rest_of_handle_delay_slots): Ditto.
11403 (rest_of_handle_machine_reorg): Ditto.
11404 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11405 * flow.c (recompute_reg_usage): Ditto.
11406 (rest_of_handle_remove_death_notes): Ditto.
11407 (rest_of_handle_life): Ditto.
11408 (rest_of_handle_flow2): Ditto.
11409 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11410 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11411 (do_ssa_store_ccp): Ditto.
11412 (execute_fold_all_builtins): Ditto.
11413 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11414 * modulo-sched.c (rest_of_handle_sms): Ditto.
11415 * ipa-pure-const.c (static_execute): Ditto.
11416 * cse.c (rest_of_handle_cse): Ditto.
11417 (rest_of_handle_cse2): Ditto.
11418 * web.c (rest_of_handle_web): Ditto.
11419 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11420 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11421 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11422 * tree-nrv.c (tree_nrv): Ditto.
11423 (execute_return_slot_opt): Ditto.
11424 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11425 (create_structure_vars): Ditto.
11426 * loop-init.c (rtl_loop_init): Ditto.
11427 (rtl_loop_done): Ditto.
11428 (rtl_move_loop_invariants): Ditto.
11429 (rtl_unswitch): Ditto.
11430 (rtl_unroll_and_peel_loops): Ditto.
11431 (rtl_doloop): Ditto.
11432 * gimple-low.c (lower_function_body): Ditto.
11433 (mark_used_blocks): Ditto.
11434 * tree-ssa-sink.c (execute_sink_code): Ditto.
11435 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11436 (cgraph_early_inlining): Ditto.
11437 * global.c (rest_of_handle_global_alloc): Ditto.
11438 * jump.c (cleanup_barriers): Ditto.
11439 (purge_line_number_notes): Ditto.
11440 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11441 (rest_of_handle_if_after_reload): Ditto.
11442 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11443 (tree_ssa_loop_im): Ditto.
11444 (tree_ssa_loop_unswitch): Ditto.
11445 (tree_vectorize): Ditto.
11446 (tree_linear_transform): Ditto.
11447 (tree_ssa_loop_ivcanon): Ditto.
11448 (tree_ssa_empty_loop): Ditto.
11449 (tree_ssa_loop_bounds): Ditto.
11450 (tree_complete_unroll): Ditto.
11451 (tree_ssa_loop_prefetch): Ditto.
11452 (tree_ssa_loop_ivopts): Ditto.
11453 (tree_ssa_loop_done): Ditto.
11454 * predict.c (tree_estimate_probability): Ditto.
11455 * recog.c (split_all_insns_noflow): Ditto.
11456 (rest_of_handle_peephole2): Ditto.
11457 (rest_of_handle_split_all_insns): Ditto.
11458 * tree-eh.c (lower_eh_constructs): Ditto.
11459 * regmove.c (rest_of_handle_regmove): Ditto.
11460 (rest_of_handle_stack_adjustments): Ditto.
11461 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11462 * function.c (instantiate_virtual_regs): Ditto.
11463 (init_function_for_compilation): Ditto.
11464 (rest_of_handle_check_leaf_regs): Ditto.
11465 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11466 (rest_of_handle_gcse): Ditto.
11467 * ipa-type-escape.c (type_escape_execute): Ditto.
11468 * alias.c (rest_of_handle_cfg): Ditto.
11469 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11470 * profile.c (rest_of_handle_branch_prob): Ditto.
11471 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11472 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11473 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11474 * tree-dfa.c (find_referenced_vars): Ditto.
11475 * except.c (set_nothrow_function_flags): Ditto.
11476 (convert_to_eh_region_ranges): Ditto.
11477 (rest_of_handle_eh): Ditto.
11478 * emit-rtl.c (unshare_all_rtl): Ditto.
11479 (remove_unnecessary_notes): Ditto.
11480 * except.h (set_nothrow_function_flags): Ditto.
11481 (convert_to_eh_region_ranges): Ditto.
11482 * cfgexpand.c (tree_expand_cfg): Ditto.
11483 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11484 * tree-ssa-pre.c (do_pre): Ditto.
11485 (execute_fre): Ditto.
11486 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11487 (rest_of_handle_jump2): Ditto.
11488 * tree-sra.c (tree_sra): Ditto.
11489 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11490 (execute_mudflap_function_decls): Ditto.
11491 * tree-ssa-copy.c (do_copy_prop): Ditto.
11492 (do_store_copy_prop): Ditto.
11493 * ipa-prop.h (ipcp_driver): Ditto.
11494 * cfglayout.c (insn_locators_initialize): Ditto.
11495 * tree-ssa-forwprop.c
11496 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11497 * cfglayout.h (insn_locators_initialize): Ditto.
11498 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11499 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11500 (execute_late_warn_uninitialized): Ditto.
11501 * rtl.h (cleanup_barriers): Ditto.
11502 (split_all_insns_noflow): Ditto.
11503 (purge_line_number_notes): Ditto.
11504 (unshare_all_rtl): Ditto.
11505 (remove_unnecessary_notes): Ditto.
11506 (recompute_reg_usage): Ditto.
11507 (variable_tracking_main): Ditto.
11508 * integrate.c (emit_initial_value_sets): Ditto.
11509 * integrate.h (emit_initial_value_sets): Ditto.
11510 * tree-optimize.c (execute_free_datastructures): Ditto
11511 (execute_free_cfg_annotations): Ditto.
11512 (execute_fixup_cfg): Ditto.
11513 (execute_cleanup_cfg_pre_ipa): Ditto.
11514 (execute_cleanup_cfg_post_optimizing): Ditto.
11515 (execute_init_datastructures): Ditto.
11516 * tree-object-size.c (compute_object_sizes): Ditto.
11517 * combine.c (rest_of_handle_combine): Ditto.
11518 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11519 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11520 (rest_of_handle_reorder_blocks): Ditto.
11521 (rest_of_handle_partition_blocks): Ditto.
11522 * var-tracking.c (variable_tracking_main): Ditto.
11523 * tree-profile.c (tree_profiling): Ditto.
11524 * tree-vect-generic.c (expand_vector_operations): Ditto.
11525 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11526 * sched-rgn.c (rest_of_handle_sched): Ditto.
11527 (rest_of_handle_sched2): Ditto.
11528 * basic-block.h (free_bb_insn): Ditto.
11529 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11530 * tree-cfg.c (execute_build_cfg): Ditto.
11531 (remove_useless_stmts): Ditto.
11532 (split_critical_edges): Ditto.
11533 (execute_warn_function_return): Ditto.
11534 (execute_warn_function_noreturn): Ditto.
11535 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11536 * cfgrtl.c (free_bb_for_insn): Ditto.
11537 * passes.c (execute_one_pass): Run additional
11538 todos returned by execute function.
11539 * tree-pass.h (struct tree_opt_pass): Make execute
11542 2006-03-02 Richard Guenther <rguenther@suse.de>
11544 * tree-ssa-alias.c (find_used_portions): Consider taking
11545 the address as making the variable not write-only.
11547 2006-03-02 Nick Clifton <nickc@redhat.com>
11549 * config.gcc (default_use_cxa_atexit): Extend the description of
11550 this configure variable. Set its default value to "yes" for
11551 Linux, NetBSD and ELF targets on the assumption that they will
11552 use C libraries with the __cxa_atexit function.
11554 2006-03-02 Ben Elliston <bje@au.ibm.com>
11556 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11557 parameter as unused to suppress a build warning.
11559 2006-03-02 Ben Elliston <bje@au.ibm.com>
11561 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11564 2006-03-01 Roger Sayle <roger@eyesopen.com>
11567 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11568 declared name, the weak reference name, and the typeof name.
11569 (__gthrw): Avoid expanding the declared name suffix.
11570 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11572 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11574 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11576 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11577 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11578 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11579 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11580 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11581 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11582 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11583 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11584 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11585 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11586 (DW_END_default, DW_END_big, DW_END_little): New.
11587 (DW_END_lo_user, DW_END_hi_user): Define.
11588 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11589 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11590 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11593 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11595 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11597 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11599 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11601 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11603 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11604 to 'symbol_mem_tag'.
11606 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11609 2006-03-01 Roger Sayle <roger@eyesopen.com>
11611 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11613 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11616 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11617 MACHO_DYNAMIC_NO_PIC_P.
11618 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11620 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11623 * config/darwin-protos.h (darwin_asm_output_anchor):
11625 * config/darwin-sections.def (cstring_section):
11626 Add SECTION_MERGE to the flags.
11627 (literal4_section): Likewise.
11628 (literal8_section): Likewise.
11629 (objc_selector_refs_section): Likewise.
11630 (objc_cls_refs_section): Likewise.
11631 * config/darwin.c (darwin_asm_output_anchor): New
11633 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11635 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11637 Fix PR tree-optimization/26443
11638 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11639 to todo and PROP_tmt_usage to properties_destroyed.
11640 * tree-ssa-ccp.c (pass_ccp): Ditto.
11641 (pass_store_ccp): Ditto.
11642 * tree-ssa-dom.c (pass_dominator): Ditto.
11644 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11646 * tree-ssa-operands.c: Cleanup whitespace.
11647 (get_asm_expr_operands): Move before first invocation.
11648 (get_indirect_ref_operands): Likewise.
11649 (get_tmr_operands): Likewise.
11650 (get_call_expr_operands): Likewise.
11651 (append_def): Likewise.
11652 (append_use): Likewise.
11653 (append_v_may_def): Likewise.
11654 (append_v_must_def): Likewise.
11655 (add_call_clobber_ops): Likewise.
11656 (add_call_read_ops): Likewise.
11657 (add_stmt_operand): Likewise.
11658 (add_virtual_operand): Likewise.
11659 (build_ssa_operands): Likewise.
11661 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11663 PR middle-end/26022
11665 PR middle-end/24437
11666 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11667 with a call expr to ...
11668 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11670 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11672 * tree-vrp.c (extract_range_from_assert): Remove special
11673 handling for types with super-types.
11675 2006-03-01 Ben Elliston <bje@au.ibm.com>
11677 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11678 and powerpc64-*-linux* configurations.
11679 * config/t-dfprules: New file.
11681 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11682 Compile dfp-bit.c from the source directory using -DWIDTH and
11683 $DFP_CFLAGS to control the compilation of that file, rather than
11684 generating width-specific versions in the build directory.
11685 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11686 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11688 2006-02-28 Zack Weinberg <zackw@panix.com>
11690 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11693 2006-02-28 Eric Christopher <echristo@apple.com>
11695 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11696 Set up IN_LIBGCC definition of TARGET_64BIT.
11697 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11699 2006-02-28 Roger Sayle <roger@eyesopen.com>
11701 PR middle-end/14752
11702 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11703 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11704 cases via the construction of "expr != 0".
11706 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11708 * alias.c (alias_invariant, alias_invariant_size): Remove.
11709 (record_base_value): Remove.
11710 (memrefs_conflict_p): Don't look at alias_invariant.
11711 (end_alias_analysis): Don't free it.
11712 * alias.h (record_base_value): Remove prototype.
11714 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11715 Adam Nemet <anemet@caviumnetworks.com>
11717 * rtl.h (truncated_to_mode): Declare it.
11718 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11719 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11720 (RTL_HOOKS_INITIALIZER): Include it.
11721 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11722 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11723 reg_truncated_to_mode.
11724 * rtlanal.c (truncated_to_mode): Define it.
11725 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11727 2006-02-28 Jeff Law <law@redhat.com>
11729 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11730 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11731 the range allowed by TYPE_PRECISION.
11733 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11735 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11737 PR tree-optimization/26419
11738 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11741 2006-02-27 Zack Weinberg <zackw@panix.com>
11743 * doc/md.texi: Fix typo in previous change.
11745 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11749 2006-02-27 Zack Weinberg <zackw@panix.com>
11751 * rtl.def (define_constraint, define_register_constraint)
11752 (define_memory_constraint, define_address_constraint): New MD forms.
11753 * gensupport.c (process_rtx): Put define_constraint etc on the
11755 * genpreds.c (process_define_predicate): Adjust comment. Validate
11756 the name, and call validate_exp to validate the expression.
11757 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11758 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11759 all callers changed.
11760 (validate_exp, needs_variable, struct constraint_data)
11761 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11762 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11763 (const_dbl_constraints, constraint_max_namelen)
11764 (have_register_constraints, have_memory_constraints)
11765 (have_address_constraints, have_address_constraints)
11766 (have_extra_constraints, have_const_int_constraints)
11767 (have_const_dbl_constraints, mangle, add_constraint)
11768 (process_define_constraint, process_define_register_constraint)
11769 (write_enum_constraint_num, write_lookup_constraint)
11770 (write_insn_constraint_len, write_regclass_for_constraint)
11771 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11772 (write_insn_extra_memory_constraint)
11773 (write_insn_extra_address_constraint)
11774 (write_satisfies_constraint_fns): New.
11775 (write_tm_preds_h): If we have new-style constraint definitions,
11776 prototype the functions generated from them, and define the
11777 old constraint interface (still used by generic code) in terms of
11779 (write_insn_preds_c): If we have new-style constraint definitions,
11780 generate all relevant functions from those definitions.
11781 (main): Handle define_constraint etc.
11782 * genoutput.c (struct constraint_data, indep_constraints)
11783 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11784 (mdep_constraint_len): New data structures and functions, defined
11785 #ifdef USE_MD_CONSTRAINTS.
11786 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11787 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11788 use new logic to validate operand constraints against constraint
11790 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11792 * defaults.h: If none of the old-style constraint macros are
11793 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11794 old-style macros; and poison REG_CLASS_FROM_LETTER,
11795 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11797 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11798 * doc/md.texi: Document new constraint-definition mechanism and the
11799 C interface it provides. Remove references to old mechanism
11800 elsewhere in the document.
11801 (Machine Constraints): Use pathnames relative to gcc directory,
11802 i.e. config/ARCH/FILE. Change i386 section to refer to
11803 config/i386/predicates.md; update that section to match docstrings.
11804 * doc/tm.texi: Move all documentation of the old constraint-
11805 definition macros to their own section, clearly mark as obsolete.
11807 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11808 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11810 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11811 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11812 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11813 constraint strings.
11814 (splits and peepholes): Use satisfies_constraint_*.
11815 * config/i386/i386.c (memory_address_length)
11816 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11818 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11820 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11821 scalar operation to be put back into the loop.
11823 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11826 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11827 (extract_cie_info): Handle S flag in augmentation string.
11828 (execute_cfa_program): If context->signal_frame, execute also
11829 fs->pc == context->ra instructions.
11830 (uw_frame_state_for): If context->signal_frame, don't subtract one
11831 from context->ra to find FDE.
11832 (uw_update_context_1): Set context->signal_frame to
11834 (_Unwind_GetIPInfo): New function.
11835 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11836 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11838 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11839 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11840 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11841 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11842 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11843 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11844 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11845 x86_64_fallback_frame_state): Set fs->signal_frame.
11846 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11847 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11848 (frob_update_context): Likewise. Workaround missing S flag in
11849 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11850 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11851 Remove the psw_addr + 1 hack.
11853 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11855 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11856 with aggregates here.
11857 (find_func_aliases): Remove code for &<aggregate> from here.
11859 2006-02-26 Roger Sayle <roger@eyesopen.com>
11861 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11862 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11863 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11864 as (X & C) ne/eq 0.
11866 2006-02-26 Roger Sayle <roger@eyesopen.com>
11868 PR middle-end/19983
11869 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11871 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11873 * opts.c (decode_options): Do not handle flag_strength_reduce.
11874 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11875 and OPT_fstrength_reduce.
11876 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11877 flag_prefetch_loop_arrays for being nonzero.
11878 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11880 (fprefetch-loop-arrays-rtl): Removed.
11881 (flag_prefetch_loop_arrays): Do not specify the value.
11883 * doc/passes.texi: Update documentation of loop optimizer
11885 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11886 -frerun-loop-opt): Remove.
11888 2006-02-26 Richard Guenther <rguenther@suse.de>
11890 PR tree-optimization/26421
11891 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11892 in function calls that are ADDR_EXPRs as using the whole structure.
11894 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11896 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11897 * tree-pass.h (pass_loop_optimize): Remove.
11898 * passes.c (pass_loop_optimize): Never run it.
11899 * toplev.c (backend_init): Don't call init_loop.
11900 * opts.c (flag_loop_optimize_set): Remove.
11901 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11902 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11903 the old RTL loop optimizer when profiling enabled.
11904 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11905 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11906 pre-headers for the sake of the old RTL loop optimizer.
11907 * Makefile.in: Remove all references to loop.o.
11909 * doc/invoke.texi: Remove all references to -floop-optimize
11910 and -frerun-loop-opt.
11912 2006-02-26 Zack Weinberg <zackw@panix.com>
11914 * doc/md.texi (Machine Constraints): Refer to all files with paths
11915 relative to gcc directory (i.e. config/CPU/file). Add missing
11916 @table @code ... @end table to M32C subsection.
11918 2006-02-26 Roger Sayle <roger@eyesopen.com>
11920 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11922 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11924 2006-02-26 Roger Sayle <roger@eyesopen.com>
11925 James A. Morrison <phython@gcc.gnu.org>
11927 PR middle-end/21137
11928 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11929 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11930 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11931 signedness of the shift operation.
11933 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11935 PR tree-optimization/26359
11936 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11938 2006-02-25 Roger Sayle <roger@eyesopen.com>
11940 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11941 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11942 as X == 0, and some symmetry related transformations.
11943 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11945 2006-02-25 Roger Sayle <roger@eyesopen.com>
11947 PR middle-end/23673
11948 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11949 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11950 symmetry related transformations. Fold (X^C1) == C2 as
11953 2006-02-25 Juergen Weigert <jw@suse.de>
11954 Richard Guenther <rguenther@suse.de>
11956 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11958 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11960 * combine.c (gen_lowpart_or_truncate): Call
11961 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11963 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11965 * doc/invoke.texi: Move -fopenmp description to "Options for
11967 Remove reference to -lgomp.
11969 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11971 * doc/install.texi: Require GNU tar version 1.14.
11973 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11975 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11976 * doc/invoke.texi (C++ Dialect Options): Document
11977 -fno-use-cxa-get-exception-ptr.
11978 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11979 * configure: Regenerate.
11980 * c.opt (fuse-cxa-get-exception-ptr): New.
11981 * c-opts.c (c_common_handle_option): Handle
11982 OPT_fuse_cxa_get_exception_ptr.
11983 * c-common.c (flag_use_cxa_atexit): Update documentation.
11984 (flag_use_cxa_get_exception_ptr): New.
11985 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11986 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11988 (C_COMMON_OVERRIDE_OPTIONS): New.
11990 2006-02-24 Roger Sayle <roger@eyesopen.com>
11992 PR middle-end/24952
11993 * combine.c (try_combine): Explicitly check whether GET_CODE is
11994 a SET or a CLOBBER, instead on checking that it isn't a USE.
11996 2006-02-24 Roger Sayle <roger@eyesopen.com>
11998 * fold-const.c (fold_comparison): New subroutine of fold_binary
11999 containing transformations common to both the equality and
12000 ordering relational operators, factored out of fold_binary.
12001 (fold_binary): Separate out the equality operators (EQ_EXPR
12002 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12003 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12004 transformations common to both.
12005 (fold_div_compare): Fix latent bugs in the previously unreachable
12006 LT_EXPR and GE_EXPR cases.
12008 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12010 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12011 decl libname for clog to __clog on AIX.
12013 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12015 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12018 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12019 output traceback table for thunks. Localise rs6000_stack_info call.
12021 2006-02-23 Roger Sayle <roger@eyesopen.com>
12022 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12024 * gthr-posix.h (__gthrw): Fix typo in comment.
12026 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12028 * doc/cpp.texi (Character sets): Document that we do support
12029 input files to be in any character set.
12031 2006-02-23 Jeff Law <law@redhat.com>
12033 * tree.h (PHI_ARG_NONZERO): Remove.
12034 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12035 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12036 node to the new node.
12038 PR tree-optimization/26425
12039 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12040 min/max, then assume its varying.
12042 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12044 PR rtl-optimization/26316
12045 * rtlanal.c (enum may_trap_p_flags): New.
12046 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12047 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12048 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12049 (may_trap_after_code_motion_p): New function.
12050 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12051 (find_invariant_insn): Use may_trap_after_code_motion_p.
12052 * rtl.h (may_trap_after_code_motion_p): Declare.
12054 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12056 * emit-rtl.c (immed_double_const): Cleanup.
12058 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12060 Fix PR tree-optimization/26376
12061 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12064 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12066 PR middle-end/26412
12067 * gimplify.c (omp_add_variable): Guard variable size decl test with
12068 DECL_SIZE (decl) check.
12070 2006-02-23 Richard Guenther <rguenther@suse.de>
12072 PR middle-end/26439
12073 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12074 like aggregate types.
12076 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12078 * configure.ac: Add --with{,out}-long-double-128 configure option.
12079 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12080 * configure: Rebuilt.
12081 * config.in: Rebuilt.
12082 * doc/install.texi (Options specification): Document
12083 --with-long-double-128.
12085 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12086 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12087 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12088 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12090 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12092 * config/s390/s390.c (override_options): Handle
12093 TARGET_DEFAULT_LONG_DOUBLE_128.
12095 * config/alpha/alpha.c (override_options): Handle
12096 TARGET_DEFAULT_LONG_DOUBLE_128.
12098 * config/sparc/sparc.c (sparc_override_options): Handle
12099 TARGET_DEFAULT_LONG_DOUBLE_128.
12101 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12103 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12104 (real-install-headers-tar, real-install-headers-cpio)
12105 (real-install-headers-cp): New targets.
12107 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12109 * tree.h (variable_section): Delete.
12110 * varasm.c (variable_section): Delete.
12112 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12114 * install.texi: Add notes on install.texi2html.
12115 (Building in parallel): Do not use footnotes.
12117 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12120 * doc/install.texi (Configuration): Document --disable-libgomp.
12122 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12124 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12126 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12128 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12129 (vec_extractv2df_0_sse): New.
12131 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12133 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12134 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12135 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12136 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12137 to the result of the expression.
12138 (def_cfa_1): Adjust.
12139 (frame_pointer_cfa_offset): Rename to...
12140 (frame_pointer_fb_offset): ... this. Adjust all uses.
12141 (convert_cfa_to_loc_list): Rename to...
12142 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12143 Pass it on to build_cfa_loc.
12144 (compute_frame_pointer_to_cfa_displacement): Rename to...
12145 (compute_frame_pointer_to_fb_displacement): ... this. New
12146 offset parameter. Use it in computation.
12147 (gen_subprogram_die): Compute cfa_fb_offset with the new
12148 macro, and use it to compute the fb loc list and the
12151 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12153 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12154 replaced with register_operand.
12155 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12156 non-DREG is expensive.
12157 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12158 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12161 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12163 * doc/install.texi2html: Use set -e.
12165 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12167 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12168 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12169 * doc/invoke.texi (-fshared-data): Delete.
12170 * common.opt (fshared-data): Delete.
12171 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12172 (assemble_static_space): Remove #if 0 code.
12173 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12174 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12175 * config/cris/cris.h: Remove FIXME.
12177 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12179 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12182 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12184 PR middle-end/26379
12185 * combine.c (simplify_shift_const_1): Disable nested shifts
12186 optimization for vector shifts.
12188 2006-02-20 Roger Sayle <roger@eyesopen.com>
12190 PR tree-optimization/26361
12191 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12192 of unsigned integer types.
12194 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12196 * tree-chrec.c (eq_evolutions_p): New.
12197 * tree-chrec.h (eq_evolutions_p): Declared.
12198 * tree-data-ref.c: Fix formatting.
12199 (datadep_stats, dependence_stats): New.
12201 (print_direction_vector): New.
12202 (dump_data_dependence_relation): Use print_direction_vector.
12203 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12204 (compute_subscript_distance): Static.
12205 (initialize_data_dependence_relation): Static. Get the number
12206 of loops surrounding the references from the callers, and initialize
12207 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12208 base_object_differ_p analyzers.
12209 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12210 compute_overlap_steps_for_affine_1_2,
12211 analyze_subscript_affine_affine): Count the classified dependences.
12212 Print a message when a test failed.
12213 (can_use_analyze_subscript_affine_affine): New.
12214 (analyze_siv_subscript): Compute the data dependences on symbolic
12215 scevs that verify can_use_analyze_subscript_affine_affine.
12216 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12217 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12218 Handle symbolic scevs.
12219 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12221 (subscript_dependence_tester): Moved...
12222 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12223 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12224 DDR_SIZE_VECT instead of getting it in parameter.
12225 (subscript_dependence_tester): ... here. Take as a parameter
12226 loop_nest_depth. Call build_classic_dist_vector and
12227 build_classic_dir_vector.
12228 (compute_affine_dependence): Update subscript_dependence_tester
12229 parameters. Update datadep_stats counters. Call
12230 compute_subscript_distance.
12231 (compute_self_dependence): Save the dist and dir vectors. Call
12232 compute_subscript_distance.
12233 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12234 (compute_all_dependences): Reorder parameters as they were before
12235 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12236 compute_subscript_distance. Update the use of
12237 compute_affine_dependence and initialize_data_dependence_relation.
12238 (find_data_references_in_loop): Handle COMPONENT_REF.
12239 (compute_data_dependences_for_loop): Initialize dependence_stats.
12240 Don't call build_classic_dist_vector and build_classic_dir_vector.
12241 Update the parameters of initialize_data_dependence_relation and
12242 compute_all_dependences. Print the statistics from datadep_stats.
12243 (analyze_all_data_dependences): Static. Not used until the pass for
12244 checking the data dependences is contributed.
12245 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12246 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12247 (initialize_data_dependence_relation, compute_affine_dependence,
12248 analyze_all_data_dependences, compute_subscript_distance): Removed.
12249 (print_direction_vector): New.
12250 * lambda.h (gcd): ... here.
12251 (lambda_vector_gcd): Moved here from gcd_vector.
12252 * lambda-code.c (gcd, gcd_vector): Removed.
12253 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12254 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12256 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12258 * ipa-type-escape.c: Tidy some comments and white space.
12259 * tree-ssa-operands.c: Likewise.
12261 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12264 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12265 (dump_decl_name): Do not walk the decl tree chains.
12266 * tree-pass.h (TDF_CHAIN): Remove.
12268 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12270 * Makefile.in (C): Remove
12272 (.PHONY): Remove C and PROTO
12274 2006-02-20 Roger Sayle <roger@eyesopen.com>
12276 PR middle-end/26236
12277 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12278 deprecated CHAR_TYPE tree code.
12280 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12282 * configure.ac (target_list): Add install-info, dvi, html.
12283 * configure: Regenerate.
12285 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12286 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12287 treelang/Make-lang.in: Do not use double-colon rules.
12289 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12291 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12292 (TMT_USED_ALONE): New macro.
12293 * tree-pass.h (PROP_tmt_usage): New property.
12294 (TODO_update_tmt_usage): New todo.
12295 * tree-ssa-alias.c (updating_used_alone): New variable.
12296 (recalculate_used_alone): New function.
12297 (compute_may_aliases): Set updating_used_alone, call
12298 recalculate_used_alone.
12299 * tree-sra.c (pass_sra): Note that this pass destroys
12300 PROP_tmt_usage, and add TODO_update_tmt_usage.
12301 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12302 * tree-flow.h (updating_used_alone): Prototype.
12303 (recalculate_used_alone): Ditto.
12304 * passes.c (execute_todo): Add code to set updating_used_alone,
12305 and call recalculate.
12306 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12307 for clobber if used alone, and add assert to verify used_alone
12310 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12312 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12313 for non tls symbols added.
12314 (legitimize_address): Do nothing for PLUS expressions if one of the
12315 addends is a tls symbol reference.
12317 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12321 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12323 * Makefile.in (BOOTSTRAPPING): New.
12324 (quickstrap): New definition if BOOTSTRAPPING=yes.
12326 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12327 * configure.ac: Substitute all_selected_languages with the languages
12328 that were configured. For all the other variables except
12329 lang_specs_files, include all the languages in the tree.
12330 * configure: Regenerate.
12332 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12333 if there is one. Run the commands to run fixincludes in the same
12336 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12337 * doc/install.texi: Document exact conventions for searching target tools.
12338 Document --with-build-time-tools. Document toplevel bootstrap. Document
12339 something more about building an Ada cross-compiler. Don't list GNU Make
12340 requirements which affect all platforms.
12342 2006-02-19 Roger Sayle <roger@eyesopen.com>
12344 PR middle-end/19543
12345 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12346 only equivalent if the have both the same mode and precision.
12348 2006-02-20 Ben Elliston <bje@au.ibm.com>
12350 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12352 2006-02-19 Roger Sayle <roger@eyesopen.com>
12353 Steven Bosscher <stevenb.gcc@gmail.com>
12355 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12356 constant pool references to identify stack mode constants.
12357 * rtlanal.c (constant_pool_constant_p): New predicate to check
12358 whether operand is a floating point constant in the pool.
12359 * rtl.h (constant_pool_constant_p): Prototype here.
12360 * loop.c (scan_loop): Avoid hoisting constants from the constant
12361 pool on STACK_REGS targets.
12362 (load_mems): Likewise.
12363 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12364 loads into x87 registers expensive in terms of register pressure.
12366 2006-02-19 Roger Sayle <roger@eyesopen.com>
12368 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12369 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12371 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12373 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12374 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12376 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12378 * doc/invoke.texi: Document -fipa-pta.
12379 * common.opt: Add ipa-pta option.
12380 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12381 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12382 (do_ds_constraint): Ditto.
12383 (get_constraint_for): Only add to referenced_vars if
12384 referenced_vars exists.
12385 (insert_into_field_list): Rewrite to do this unsorted.
12386 (insert_into_field_list_sorted): Rename old insert_into_field_list
12388 (create_function_info_for): Use insert_into_field_list_sorted.
12389 (create_variable_info_for): Rewrite so it uses unsorted version,
12390 since the field list is sorted.
12391 (intra_create_variable_infos): Only add to referenced_vars if
12392 referenced_vars exists.
12393 (ipa_pta_execute): Init heapvars, and delete when done.
12394 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12396 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12398 * doc/install.texi: Add missing `@samp'.
12400 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12402 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12405 2006-02-18 Mark Wielaard <mark@klomp.org>
12407 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12408 who added new 4.1 features, bug fixes and integration support.
12410 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12413 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12414 MEM for ABI_V4 pic.
12416 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12418 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12419 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12420 (copy_insn_1): Likewise. Don't copy each field individually.
12422 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12424 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12425 * rtl.c (rtx_size): Rename variable to...
12426 (rtx_code_size): ...this.
12427 (rtx_size): New function.
12428 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12429 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12431 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12432 * rtl.h (rtx_code_size): New variable.
12433 (rtx_size): Change from a variable to a function.
12434 (RTX_SIZE): Rename to...
12435 (RTX_CODE_SIZE): ...this.
12438 PR tree-optimization/17106
12439 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12440 (Anchored Addresses): New section.
12441 * doc/invoke.texi (-fsection-anchors): Document.
12442 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12443 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12444 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12445 * hooks.c (hook_bool_mode_rtx_false): New function.
12446 * hooks.h (hook_bool_mode_rtx_false): Declare.
12447 * gengtype.c (create_optional_field): New function.
12448 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12449 SYMBOL_REF_IN_BLOCK_P is true.
12450 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12451 (min_anchor_offset, max_anchor_offset): Likewise.
12452 (use_anchors_for_symbol_p): New hook.
12453 * toplev.c (compile_file): Call output_object_blocks.
12454 (target_supports_section_anchors_p): New function.
12455 (process_options): Check that -fsection-anchors is only used on
12456 targets that support it and when -funit-at-a-time is in effect.
12457 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12458 if the decl doesn't have one.
12459 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12460 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12461 of force_const_mem through use_anchored_address.
12462 (expand_expr_constant): New function.
12463 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12464 calling expand_expr for INDIRECT_REF.
12465 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12466 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12467 * expr.h (use_anchored_address): Declare.
12468 * loop-unroll.c: Don't declare rtx vectors here.
12469 * explow.c: Include output.h.
12470 (validize_mem): Call use_anchored_address.
12471 (use_anchored_address): New function.
12472 * common.opt (-fsection-anchors): New switch.
12473 * varasm.c (object_block_htab, anchor_labelno): New variables.
12474 (hash_section, object_block_entry_eq, object_block_entry_hash)
12475 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12476 (use_blocks_for_decl_p, change_symbol_section): New functions.
12477 (get_variable_section): New function, split out from assemble_variable.
12478 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12479 use_blocks_for_decl_p say so. Use change_symbol_section if the
12480 symbol has already been created.
12481 (assemble_variable_contents): New function, split out from...
12482 (assemble_variable): ...here. Don't output any code for
12483 block symbols; just pass them to place_block_symbol.
12484 Use get_variable_section and assemble_variable_contents.
12485 (get_constant_alignment, get_constant_section, get_constant_size): New
12486 functions, split from output_constant_def_contents.
12487 (build_constant_desc): Create a block symbol if use_object_blocks_p
12488 says so. Or into SYMBOL_REF_FLAGS.
12489 (assemble_constant_contents): New function, split from...
12490 (output_constant_def_contents): ...here. Don't output any code
12491 for block symbols; just pass them to place_section_symbol.
12492 Use get_constant_section and get_constant_alignment.
12493 (force_const_mem): Create a block symbol if use_object_blocks_p and
12494 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12495 (output_constant_pool_1): Add an explicit alignment argument.
12496 Don't switch sections here.
12497 (output_constant_pool): Adjust call to output_constant_pool_1.
12498 Switch sections here instead. Don't output anything for block symbols;
12499 just pass them to place_block_symbol.
12500 (init_varasm_once): Initialize object_block_htab.
12501 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12502 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12503 (place_block_symbol, get_section_anchor, output_object_block)
12504 (output_object_block_htab, output_object_blocks): New functions.
12505 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12506 (TARGET_ASM_OUT): Include it.
12507 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12508 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12509 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12510 (TARGET_INITIALIZER): Include them.
12511 * rtl.c (rtl_check_failed_block_symbol): New function.
12512 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12513 (block_symbol, object_block): New structures.
12514 (rtx_def): Add a block_symbol field to the union.
12515 (BLOCK_SYMBOL_CHECK): New macro.
12516 (rtl_check_failed_block_symbol): Declare.
12517 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12518 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12519 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12520 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12521 * output.h (output_section_symbols): Declare.
12522 (object_block): Name structure.
12523 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12524 (default_use_anchors_for_symbol_p): Declare.
12525 * Makefile.in (RTL_BASE_H): Add vec.h.
12526 (explow.o): Depend on output.h.
12527 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12528 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12529 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12530 (rs6000_use_blocks_for_constant_p): New function.
12532 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12534 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12536 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12539 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12542 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12544 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12548 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12550 PR middle-end/26334
12551 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12552 instead of DECL_REGISTER.
12554 2006-02-18 Olivier Hainque <hainque@adacore.com>
12557 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12559 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12562 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12563 * opth-gen.awk: Handle Var and InverseMask together.
12564 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12565 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12566 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12567 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12569 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12570 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12571 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12572 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12573 LINUX_DYNAMIC_LINKER): Define.
12574 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12575 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12577 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12578 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12579 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12580 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12581 (TARGET_C99_FUNCTIONS): Don't define.
12582 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12583 GLIBC_DYNAMIC_LINKER.
12584 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12585 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12586 GLIBC_DYNAMIC_LINKER64): Define.
12587 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12588 LINUX_DYNAMIC_LINKER64.
12589 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12590 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12591 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12592 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12593 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12594 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12595 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12596 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12597 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12598 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12599 and LINUX_DYNAMIC_LINKER32.
12600 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12601 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12602 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12604 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12606 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12607 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12608 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12609 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12610 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12611 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12612 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12613 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12614 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12615 LINUX_DYNAMIC_LINKER): Define.
12616 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12617 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12618 GLIBC_DYNAMIC_LINKER64): Define.
12619 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12620 LINUX_DYNAMIC_LINKER64.
12621 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12622 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12623 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12624 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12625 LINUX_DYNAMIC_LINKER): Define.
12626 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12627 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12628 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12629 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12630 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12631 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12632 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12633 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12634 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12635 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12637 * doc/invoke.texi (-muclibc): Remove caveat about supported
12640 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12642 * doc/cpp.texi (__TIMESTAMP__): Document.
12644 2006-02-17 Roger Sayle <roger@eyesopen.com>
12646 PR middle-end/25600
12647 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12648 C is one less than the width of X (and related transformations).
12649 * simplify-rtx.c (simplify_unary_operation_1): Transform
12650 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12651 depending on STORE_FLAG_VALUE, were C is one less then the
12654 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12656 Fix PR tree-optimization/26341
12657 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12658 about NAME_MEMORY_TAG's.
12660 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12663 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12664 with hardware float support, and software float support. Add fcpy
12665 alternative to hardware patterns. Add alternatives to copy between
12666 general and floating-point registers to the 32-bit pattern.
12667 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12668 secondary reload to load a QI or HI mode constant into a floating
12670 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12671 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12673 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12676 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12678 (load_macho_picbase_di): Likewise.
12680 2006-02-16 Jeff Law <law@redhat.com>
12682 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12683 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12684 (ssa_name_nonzero_p): Likewise.
12685 (get_value_range): Return NULL if VRP is not running.
12686 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12687 VRP routines do not discover a range.
12688 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12689 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12690 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12691 (tree_expr_nonnegative_p): Similarly.
12692 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12693 (restore_nonzero_vars_to_original_value): Remove.
12694 (unsafe_associative_fp_binop): Remove.
12695 (tree_ssa_dominator_optimize): Remove initialization and
12696 finalization of nonzero_vars and nonzero_vars_stack.
12697 (dom_opt_initialize_block): No longer push marker on
12698 nonzero_vars_stack.
12699 (dom_opt_finalize_block): No longer call
12700 restore_nonzero_vars_to_original_value.
12701 (record_equivalences_from_phis): No longer look for
12702 nonzero PHI arguments.
12703 (cprop_into_successor_phis): No longer propagate nonzero
12704 property into PHI arguments. Lose unused argument. Caller
12706 (record_equivalences_from_stmt): No longer record nonzero
12707 values for SSA_NAMEs.
12708 (lookup_avail_expr): No longer use nonzero_vars.
12710 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12711 for sizetype when sizetype is unsigned.
12713 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12715 PR rtl-optimization/25603
12716 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12717 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12718 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12719 with new meaning of SETS.
12721 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12726 * config/linux.opt: New file.
12727 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12728 LINUX_DYNAMIC_LINKER): Define.
12729 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12730 * config.gcc (*-*-linux*): Define extra_options.
12731 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12732 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12733 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12734 GLIBC_DYNAMIC_LINKER.
12735 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12736 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12737 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12738 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12739 * doc/invoke.texi (GNU/Linux Options): New section.
12741 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12743 * config/sparc/sparc.md (setjmp): Rewrite.
12744 (setjmp_32): Delete.
12745 (setjmp_64): Likewise.
12747 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12749 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12752 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12754 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12757 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12759 PR rtl-optimization/26296
12760 * Makefile.in (loop-invariant.c): Add except.h dependency.
12761 * loop-invariant.c: Include except.h.
12762 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12764 2005-02-16 Paul Brook <paul@codesourcery.com>
12766 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12769 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12771 PR rtl-optimization/25636
12772 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12773 when deciding whether an insn is an initializing insn.
12775 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12777 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12778 (tree_code_size): Ditto.
12779 * tree.h (struct tree_memory_tag): Remove parent_var.
12780 (struct tree_struct_field_tag): New.
12783 (union tree_node): Add sft member.
12784 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12786 (create_sft): Add size and offset argument, set SFT_OFFSET and
12788 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12789 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12790 * tree-flow-inline.h (get_subvar_at): Update for
12791 SFT_OFFSET/SFT_SIZE.
12792 (var_can_have_subvars): Ditto.
12793 (overlap_subvar): Ditto.
12794 * print-tree.c (print_node): Print out interesting things for
12796 * tree-flow.h (struct subvar): Remove offset and size members.
12797 * tree-ssa-operands.c (get_expr_operands): Update for
12798 get_indirect_ref_operands changes.
12799 (get_indirect_ref_operands): Call add_virtual_operand instead of
12800 add_stmt_operand. Only recurse on base var if requested.
12801 (access_can_touch_variable): New function.
12802 (add_stmt_operand): Split virtual operand handling into ...
12803 (add_virtual_operand): Here. Add offset, size, and for_clobber
12804 arguments. Prune alias sets.
12805 (add_call_clobber_ops): Call add_virtual_operand.
12807 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12809 PR middle-end/26300
12810 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12812 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12813 than TREE_CODE as index into omp_clause_num_ops array.
12815 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12817 PR rtl-optimization/26184
12818 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12820 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12821 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12822 must_precede, must_follow and tobe_scheduled.
12825 * opts.c (common_handle_option): Free new_option pointer.
12826 * df-core.c (df_analyze): Free postorder pointer.
12828 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12830 * Makefile.in: Fix the examples about the use of stamps
12832 2006-02-15 Michael Matz <matz@suse.de>
12834 PR middle-end/22275
12836 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12837 influenced by maximum_field_alignment or DECL_PACKED.
12838 (update_alignment_for_field): Ditto.
12839 (place_field): Ditto.
12840 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12843 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12845 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12846 (debug_flow_info): Pass it.
12847 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12848 * bb-reorder.c (reorder_basic_blocks): Likewise.
12849 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12850 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12851 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12852 * gcse.c (gcse_main, bypass_jumps): Likewise.
12853 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12854 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12855 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12856 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12857 * rtl.h (dump_flow_info): Adjust prototype.
12858 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12859 * var-tracking.c (variable_tracking_main): Likewise.
12860 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12861 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12864 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12866 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12869 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12871 PR tree-optimization/26209
12872 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12873 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12875 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12877 2006-02-14 Roger Sayle <roger@eyesopen.com>
12879 PR middle-end/23670
12880 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12881 (X,Y) and the corresponding symmetry related transformations.
12882 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12883 (X,Y) and its symmetry related transformations.
12885 2006-02-14 Roger Sayle <roger@eyesopen.com>
12887 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12890 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12892 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12894 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12897 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12898 support COMDAT group.
12899 * configure: Regenerate.
12901 2006-02-14 Roger Sayle <roger@eyesopen.com>
12903 PR middle-end/26279
12904 PR middle-end/26280
12905 PR middle-end/26283
12906 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12908 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12910 Fix PR tree-optimization/26260
12912 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12914 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12915 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12916 * tree-ssa-structalias.c (create_variable_info_for): Use
12917 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12919 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12921 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12923 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12924 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12925 of the ending condition.
12926 * tree-ssa-loop-manip.c: Include params.h.
12927 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12928 tree_unroll_loop): New functions.
12929 * tree-pass.h (pass_loop_prefetch): Declare.
12930 * loop.c (rest_of_handle_loop_optimize): Test for
12931 -fprefetch-loop-arrays-rtl.
12932 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12933 * timevar.def (TV_TREE_PREFETCH): New timevar.
12934 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12935 pass_loop_prefetch): New.
12936 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12937 (cleanup_tree_cfg_loop): Call scev_reset.
12938 * common.opt (fprefetch-loop-arrays-rtl): Add.
12939 * tree-ssa-loop-prefetch.c: New file.
12940 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12941 (new_temp_expr_table): Initialize expr_vars.
12942 (free_temp_expr_table): Cleanup expr_vars.
12943 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12944 expressions from being merged into one.
12945 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12946 (struct tree_niter_desc): Add control, bound and cmp fields.
12947 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12949 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12950 (tree-cfgcleanup.o): Add SCEV_H dependency.
12951 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12952 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12954 2006-02-14 Richard Guenther <rguenther@suse.de>
12956 PR tree-optimization/26258
12957 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12958 in PHI argument processing.
12960 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12962 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12963 new expression in the requested machine mode.
12965 2006-02-13 Roger Sayle <roger@eyesopen.com>
12967 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12968 directly, instead let do_compare_rtx_and_jump handle this for us.
12969 * expr.c (expand_expr_real_1): Likewise.
12970 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12971 before do_jump_by_parts_greater.
12972 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12973 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12975 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12977 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12979 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12981 PR rtl-optimization/26235
12982 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12983 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12986 2006-02-13 Jeff Law <law@redhat.com>
12988 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12991 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12993 PR middle-end/26092
12994 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12995 twice if decl is a builtin. When trying again, call get_callee_fndecl
12996 first to verify it is still a builtin.
12998 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13000 * dwarf2out.c (base_type_die): Don't add AT_name here.
13001 (subrange_type_die): Don't add AT_name here.
13002 (modified_type_die): Rearrange code flow. Do add AT_name here.
13004 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13006 PR rtl-optimization/26247
13007 PR rtl-optimization/26248
13008 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13010 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13012 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13013 * config/fixtfdi.c: Likewise.
13014 * config/fixunstfdi.c: Likewise.
13015 * config/floatditf.c: Likewise.
13017 2006-02-13 Roger Sayle <roger@eyesopen.com>
13019 PR middle-end/24427
13020 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13021 into (X,C2) if C1 is a subset of the bits of C2. Transform
13022 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13024 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13026 2006-02-13 Josh Conner <jconner@apple.com>
13029 * varasm.c (function_section): Check for section name before
13030 calling select_section on targets that define
13031 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13032 unlikely_text_section instead of hot_function_section if
13033 first_function_block_is_cold.
13035 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13037 PR middle-end/25335
13038 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13040 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13042 PR rtl-optimization/26222
13043 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13044 after tree->rtl expansion.
13045 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13046 before passing it to emit_move_insn.
13048 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13050 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13052 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13053 Clarify documentation.
13054 * c-common.h (warn_write_strings): Remove.
13055 * c-common.c (warn_write_strings): Likewise.
13056 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13059 2006-02-12 Roger Sayle <roger@eyesopen.com>
13061 PR middle-end/25724
13062 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13063 (do_jump_parts_zero_rtx): New function renamed from
13064 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13065 (do_jump_parts_equality_rtx): New function split out from
13066 do_jump_parts_equality. Old implementation renamed as above.
13067 Call do_jump_parts_zero_rtx if either operand is zero.
13068 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13069 do all of the heavy lifting.
13070 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13071 calling either do_jump_by_parts_greater_rtx or
13072 do_jump_by_parts_equality_rtx.
13073 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13074 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13075 moved to do_compare_rtx_and_jump, call it directly.
13076 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13077 mode argument. Call do_compare_rtx_and_jump.
13078 (emit_case_nodes): Update calls to do_jump_if_equal.
13080 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13082 PR rtl-optimization/26225
13083 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13085 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13087 PR rtl-optimization/26232
13088 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13090 2006-02-11 Jason Merrill <jason@redhat.com>
13093 * tree-inline.c (declare_return_variable): Just don't use the
13094 modify target if it's a gimple complex reg and the return slot
13097 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13099 * doc/contrib.texi: Update my entry.
13101 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13103 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13105 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13107 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13110 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13112 * doc/invoke.texi (-floop-optimize2): Removed.
13113 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13114 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13115 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13116 * common.opt (floop-optimize2): Removed.
13117 (fmove-loop-invariants): Enabled by default.
13119 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13121 * tree-if-conv.c (combine_blocks): Free the result of
13122 get_loop_exit_edges.
13124 2006-02-10 Jeff Law <law@redhat.com>
13126 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13128 PR tree-optimization/26213
13129 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13130 loop trying to follow SSA_NAME_VALUE chains.
13132 2006-02-10 Richard Guenther <rguenther@suse.de>
13134 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13135 deal with structures that end in implicitly variable sized arrays.
13137 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13139 PR rtl-optimization/24762
13140 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13143 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13145 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13146 (struct ivopts_data): Add regs_used field.
13147 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13148 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13149 instead of loop_data->regs_used;
13150 (free_loop_data): Do not free aux fields for loops.
13151 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13152 and tree_ssa_iv_optimize_finalize.
13154 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13156 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13158 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13161 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13162 computing the effective result type.
13164 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13166 PR inline-asm/16194
13167 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13168 (tree_overlaps_hard_reg_set): Declare.
13169 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13170 type and signature to match function type expected by walk_tree.
13171 (tree_overlaps_hard_reg_set): New function.
13172 (decl_conflicts_with_clobbers_p): Rename to:
13173 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13174 Use tree_overlaps_hard_reg_set. Changed caller.
13175 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13176 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13177 * cris.c (cris_md_asm_clobbers): Likewise.
13179 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13181 * reload1.c (emit_input_reload_insns): Delete code that tries to
13182 inherit using find_equiv_reg.
13184 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13186 * c-common.h (flag_const_strings): Don't declare.
13187 * c-common.c (flag_const_strings): Remove.
13188 * c.opt (fconst_strings): Remove.
13189 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13190 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13191 (c_common_init_options): Don't set flag_const_strings.
13192 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13194 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13196 * arm.md (tlobits_cbranch): New pattern.
13197 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13198 testing a single bit.
13200 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13203 * tree-ssa-pre.c (create_component_ref_by_pieces):
13204 Handle RETURN_DECL like VAR_DECL.
13206 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13208 PR middle-end/26134
13209 * fold-const.c (fold_indirect_ref_1): Fold
13210 "*(foo *)&complexfoo" to "__real__ complexfoo"
13211 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13213 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13215 * tree-flow-inline.h (var_can_have_subvars):
13216 Volatile variables should not have subvariables.
13218 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13221 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13222 multiplying unsigned values.
13225 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13227 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13229 2006-02-08 Jason Merrill <jason@redhat.com>
13232 * tree.def: Elaborate on difference from MODIFY_EXPR.
13233 * doc/c-tree.texi (INIT_EXPR): Likewise.
13234 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13235 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13236 (gimplify_target_expr): Likewise.
13237 (gimplify_cond_expr): Remove target handling.
13238 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13239 (gimplify_expr): Clobber it here.
13240 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13241 Do return slot optimization if we have an INIT_EXPR.
13244 * tree-inline.c (declare_return_variable): Also clear
13245 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13248 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13250 PR middle-end/22439
13251 * gimplify.c (gimplify_one_sizepos): Fix typo.
13253 2006-02-08 Jeff Law <law@redhat.com>
13255 PR tree-optimization/21417
13256 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13257 across a backedge if the control statement at the end of the
13258 block is data dependent on other statements in the same block.
13259 (record_temporary_equivalences_from_stmts): Remove over-conservative
13260 test for threading across backedges.
13262 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13263 control statement, handle all three special cases in the same
13264 manner as they all have the same desired solution. No longer
13265 special case edge flag updating when the post dominator is
13268 2006-02-08 Roger Sayle <roger@eyesopen.com>
13270 * tree.def (CHAR_TYPE): Remove.
13271 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13272 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13273 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13274 (gen_string_type_die): Delete unreachable function.
13276 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13277 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13278 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13279 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13280 * builtins.c (type_to_class): Likewise.
13281 * fold-const.c (fold_convert, build_range_check,
13282 merge_ranges): Likewise.
13283 * expr.c (count_type_elements): Likewise.
13284 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13285 * stor-layout.c (layout_type): Likewise.
13286 * ipa-type-escape.c (type_to_consider): Likewise.
13287 * gimplify.c (omp_firstprivatize_type_sizes,
13288 gimplify_type_sizes): Likewise.
13289 * explow.c (promote_mode): Likewise.
13290 * tree-sra.c (is_sra_scalar_type): Likewise.
13291 * varasm.c (output_constant): Likewise.
13292 * tree-inline.c (remap_type_1): Likewise.
13293 * convert.c (convert_to_pointer, convert_to_real,
13294 convert_to_integer, convert_to_complex): Likewise.
13296 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13298 * df-scan.c (df_def_record_1): A set destination may
13299 be a parallel regardless of mode.
13301 2006-02-08 Roger Sayle <roger@eyesopen.com>
13304 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13305 * config/mips/_tilib.c: Remove.
13306 * config/fixtfdi.c: New libgcc source file.
13307 * config/fixunstfdi.c: New source file.
13308 * config/floatditf.c: New source file.
13309 * config/floatunditf.c: New souce file.
13310 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13311 files above instead of config/mips/_tilib.c.
13312 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13314 2006-02-08 Jeff Law <law@redhat.com>
13316 PR tree-optimization/26169
13317 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13320 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13322 * df.h (DF_REG_SIZE): Return the length of the initialized
13325 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13327 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13328 __muldf3): Return a correctly signed zero.
13330 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13332 * passes.c (register_one_dump_file): Accept the current properties
13333 instead of pass number. Adjust call to dump_register. Remove
13335 (register_dump_files): Now a wrapper around...
13336 (register_dump_files_1): ... this one. Do not modify the pass
13338 (next_pass_1): Cosmetic fix.
13339 (execute_todo): Keep second parameter only. Use curr_properties
13340 instead of fetching it from the pass structure. Check and set
13342 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13343 instead of fetching it from the pass structure. Fix calls to
13344 execute_todo. Update curr_properties and initialize .vcg RTL dump
13345 after running the pass. Reset last_verified.
13346 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13348 (FIRST_AUTO_NUMBERED_DUMP): New.
13349 (dump_register): Remove "num" parameter, assign it within the
13351 (get_dump_file_name): Modify template for dumps.
13352 * tree-dump.h (dump_register): Adjust prototype.
13353 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13354 (PROP_trees): Add PROP_gimple_lomp.
13355 (TODO_set_props): New.
13356 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13357 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13358 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13360 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13362 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13363 (sparc64-*-linux*): Likewise.
13364 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13365 * config/sparc/t-linux: New file.
13366 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13367 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13368 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13369 -m32 -mlong-double-128.
13371 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13372 * config/alpha/t-linux: New file.
13373 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13375 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13376 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13377 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13378 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13379 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13380 (CPP_ARCH32_SPEC): Remove.
13382 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13384 PR tree-optimization/26145
13385 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13388 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13391 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13392 >= 240000 when generating code for SOM runtime.
13393 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13394 to $$dyncall when generating code for SOM runtime..
13396 2006-02-07 Dirk Mueller <dmueller@suse.com>
13399 * doc/invoke.texi (-Wsequence-point): Update documentation
13400 that -Wsequence-point is implemented for C++ as well.
13402 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13404 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13405 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13406 (LIB_SPEC): Likewise.
13407 * doc/invoke.texi (SPARC options): Document -pthread.
13409 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13411 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13414 2006-02-07 Roger Sayle <roger@eyesopen.com>
13416 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13417 Correct comment describing BOOLEAN_TYPE.
13419 2006-02-07 Dirk Mueller <dmueller@suse.com>
13421 * c.opt: C++ frontend supports -Wdiv-by-zero.
13422 * c-opts.c (c_common_handle_option): Remove dead case.
13424 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13426 * configure.ac (TLS assembler check): Do not enable TLS by
13427 default on SPARC/Solaris before version 10.
13428 * configure: Regenerate.
13430 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13432 * doc/invoke.texi (xl-compat): Document conversion and support
13435 2006-02-07 Jeff Law <law@redhat.com>
13437 * tree-vrp.c (find_conditional_asserts): Update comments.
13438 (simplify_stmt_for_jump_threading): New.
13439 (identify_jump_threads, finalize_jump_threads): New.
13440 (vrp_finalize): Call identify_jump_threads.
13441 (execute_vrp): Call finalize_jump_threads.
13442 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13443 (vrp_element, vrp_data, vrp_element_p): Remove.
13444 (vrp_hash_elt, vrp_variables_stack): Remove.
13445 (vrp_hash, vrp_eq, record_range): Remove.
13446 (simplify_cond_and_lookup_avail_expr): Remove.
13447 (extract_range_from_cond): Remove.
13448 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13449 (simplify_stmt_for_jump_threading): New.
13450 (dom_thread_across_edge): New wrapper.
13451 (tree_ssa_dominator_optimize): No longer initialize or
13452 finalize any of the VRP datastructures. Remove iteration
13453 step and simplify as a result of removal of iteration step.
13454 (pass_dominator): Perform a cfg cleanup after DOM.
13455 (dom_opt_finalize_block): Use the new common routines
13456 for threading jumps. Simplify stack management slightly.
13457 No longer need to unwind VRP state.
13458 (record_equivalences_from_incoming_edge): No longer record
13460 (eliminate_redundant_computations): No longer call
13461 simplify_cond_and_lookup_avail_expr.
13462 * tree-flow.h (potentially_threadable_block): Prototype.
13463 (thread_across_edge): Likewise.
13464 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13465 (tree-ssa-threadedge.o): Add dependencies.
13466 * tree-ssa-threadedge.c: New file.
13467 * passes.c (init_optimization_passes): Merge PHIs before
13468 calling VRP. Run VRP again late in the SSA optimization pipeline.
13470 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13472 * df-core.c (df_set_blocks): Do not dereference function pointers.
13473 (df_finish1): Likewise.
13474 (df_hybrid_search_forward): Likewise.
13475 (df_hybrid_search_backward): Likewise.
13476 (df_iterative_dataflow): Likewise.
13477 (df_analyze_problem): Likewise.
13478 (df_compact_blocks): Likewise.
13479 (df_dump): Likewise.
13480 * df-scan.c (df_rescan_blocks): Likewise.
13481 (df_record_entry_block_defs): Likewise.
13483 * genconditions.c (write_conditions): Guard the definition of
13484 'insn_conditions' with the check on GCC version.
13485 (write_writer): Guard the traversal 'insn_conditions' with
13486 the check on GCC version.
13488 2006-02-07 Richard Guenther <rguenther@suse.de>
13492 2006-01-30 Richard Guenther <rguenther@suse.de>
13494 * gimplify.c (gimplify_target_expr): Handle easy cases
13495 without creating a temporary.
13497 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13499 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13500 use of float in probability computations. Use edge probabilities
13501 in place of statically computed probabilities.
13502 (min_spec_prob): New static variable.
13503 (schedule_insns): Initialize it.
13504 (GET_SRC_PROB): Removed.
13505 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13507 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13510 * config/ia64/unwind-ia64.c: Revert last change.
13511 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13512 (INCOMING_FRAME_SP_OFFSET): Define.
13514 2006-02-06 Roger Sayle <roger@eyesopen.com>
13516 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13518 2006-02-07 Ben Elliston <bje@au.ibm.com>
13520 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13521 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13522 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13523 (ix86_return_in_memory): Handle TDmode.
13524 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13525 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13527 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13529 * reorg.c (dbr_schedule): Use dump_file instead of file.
13531 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13534 * config/ia64/predicates.md (extr_len_operand): New predicate.
13535 * config/ia64/ia64.md (extv): Tighten constraints.
13537 (*tbit_and_2): Ditto.
13538 (*tbit_and_3): Ditto.
13539 (*tbit_or_2): Ditto.
13540 (*tbit_or_3): Ditto.
13541 (*bit_zero): Ditto.
13544 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13547 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13549 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13551 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13552 loop_optimizer_init and loop_optimizer_finalize
13553 * tree-ssa-sink.c (execute_sink_code): Ditto.
13554 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13555 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13556 tree_ssa_loop_done): Ditto.
13557 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13558 * sched-ebb.c: Include output.h.
13559 (schedule_ebbs): Do not use dump argument.
13560 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13561 * loop.c (loop_dump_stream): Removed.
13562 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13564 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13565 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13566 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13567 loop_iterations, strength_reduce, record_biv, record_giv,
13568 final_giv_value, check_final_value, check_ext_dependent_givs,
13569 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13570 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13571 dump_file instead of loop_dump_stream.
13572 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13573 argument dump_file.
13574 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13576 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13577 * haifa-sched.c: Include output.h
13578 (schedule_insns, sched_init): Do not use dump argument.
13579 * mode-switching.c (optimize_mode_switching): Ditto.
13580 * modulo-sched.c (stats_file): Removed.
13581 (print_node_sched_params): Do not call argument dump_file.
13582 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13583 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13585 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13587 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13588 rtl_loop_init, rtl_loop_done): Ditto.
13589 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13590 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13592 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13593 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13594 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13595 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13596 * emit-rtl.c (renumber_insns): Ditto.
13597 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13598 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13599 * regclass.c (regclass): Ditto.
13600 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13601 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13602 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13603 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13605 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13606 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13608 * gcse.c (gcse_file, debug_stderr): Removed.
13609 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13610 rest_of_handle_gcse): Do not use dump argument.
13611 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13612 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13613 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13614 compute_code_hoist_vbeinout, compute_code_hoist_data,
13615 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13616 compute_store_table, build_store_vectors, insert_insn_start_bb,
13617 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13618 store_motion): Use dump_file instead of gcse_file.
13619 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13620 * profile.c (profile_dump_file): Removed.
13621 (branch_prob): Use dump_file instead of profile_dump_file.
13622 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13624 * tree-ssa-copy.c (dump_copy_of): Ditto.
13625 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13626 dump file to life_analysis.
13627 * bt-load.c (branch_target_load_optimize): Ditto.
13628 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13630 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13631 regclass, dbr_schedule): Declaration changed.
13632 * sched-int.h (sched_init): Declaration changed.
13633 * tree-profile.c (tree_profile_dump_file): Removed.
13634 (tree_profile_hooks): Removed profile_dump_file hook.
13635 * rtl-profile (rtl_profile_dump_file): Removed.
13636 (rtl_profile_hooks): emoved profile_dump_file hook.
13637 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13639 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13640 * tree-cfg.c (build_tree_cfg): Ditto.
13641 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13642 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13643 Declaration changed.
13644 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13645 life_analysis and schedule_insns.
13646 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13648 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13650 * config/mips/mips.c (mips_reorg): Ditto.
13651 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13654 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13656 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13657 (s390_mangle_fundamental_type): New.
13658 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13661 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13662 (alpha_mangle_fundamental_type): New.
13663 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13666 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13668 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13670 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13671 (sparc_mangle_fundamental_type): New.
13673 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13675 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13676 (s390x-*-linux*): Likewise.
13677 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13678 * config/s390/t-linux: New file.
13680 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13682 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13683 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13685 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13687 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13688 (ANTIC_SAFE_LOADS): New macro.
13689 (find_or_generate_expression): Add prototype.
13690 (set_contains_value): Allow null set for sake of not always having
13691 to allocate ANTIC_SAFE_LOADS.
13692 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13693 Allow COMPONENT_REF too.
13694 (valid_in_set): Allow COMPONENT_REF.
13695 Check ANTIC_SAFE_LOADS too.
13696 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13697 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13699 (can_PRE_operation): Add COMPONENT_REF.
13700 (create_component_ref_by_pieces): New function.
13701 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13702 (insert_aux): Move AGGREGATE_TYPE_P check here.
13703 (compute_avail): Set bb local stmt uids.
13704 (pass_pre): Use TODO_update_ssa_only_virtuals.
13706 2006-02-06 Ben Elliston <bje@au.ibm.com>
13708 * configure.ac: Unconditionally disable decimal float by default.
13709 * configure: Regenerate.
13711 2006-02-06 Ben Elliston <bje@au.ibm.com>
13713 * read-rtl.c (read_name): Terminate reading on EOF.
13715 2006-02-06 Ben Elliston <bje@au.ibm.com>
13717 * dfp.c (decimal_real_arithmetic): Change second argument type
13718 from int to enum tree_code. Do not always return true, but now
13719 return result of any call to decimal_do helper functions.
13720 * dfp.h (decimal_real_arithmetic): Update prototype.
13722 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13724 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13726 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13729 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13732 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13734 * tree-vrp.c (cfg_loops): Removed.
13735 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13736 Use current_loops instead of cfg_loops. Pass flags to
13737 loop_optimizer_init.
13738 * cfgloopmanip.c (fix_loop_structure): Update only available
13740 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13741 loop_optimizer_init.
13742 * modulo-sched.c (build_loops_structure): Removed.
13743 (sms_schedule): Use loop_optimizer_init.
13744 * loop-init.c (loop_optimizer_init): Use flags to determine
13745 which properties of loops to prepare.
13746 (rtl_loop_init): Pass flags to loop_optimizer_init.
13747 * tree-ssa-sink.c (execute_sink_code): Ditto.
13748 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13749 * tree-ssa-pre.c (init_pre): Ditto.
13750 * cfgloop.h (LOOPS_NORMAL): New.
13751 (loop_optimizer_init): Declaration changed.
13753 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13755 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13756 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13758 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13760 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13762 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13763 * pa/t-pa64: Delete quadlib.c rule.
13764 * pa/x-ada: Revert last change.
13765 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13767 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13769 PR rtl-optimization/26087
13770 * rtlanal.c (canonicalize_condition): Do not cross basic block
13773 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13776 * config/ia64/ia64.c: Include debug.h.
13777 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13778 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13779 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13780 (process_epilogue, process_set, process_for_unwind_directive):
13781 Output unwind info only if requested. Add CFA info if requested.
13782 Add new arguments as needed. Adjust callers.
13783 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13785 (DWARF2_FRAME_INFO): Define to zero.
13786 * config/ia64/unwind-ia64.c: Remove code that compensated for
13787 the CFA offset error fixed above.
13788 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13789 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13790 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13791 -funwind-tables and -fexceptions to enable frame info.
13792 (dwarf2out_frame_init): Define initial CFA even if
13793 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13794 DWARF2_UNWIND_INFO is nonzero, not just defined.
13795 (dwarf2out_frame_finish): Output non-EH call frame info only
13796 if DWARF2_FRAME_INFO is nonzero.
13797 (convert_cfa_to_loc_list,
13798 compute_frame_pointer_to_cfa_displacement): Define even if
13799 unwind info is not supported.
13800 (gen_subprogram_die): Use the above unconditionally. Remove
13801 legacy alternate code.
13802 * toplev.c (compile_file): Compile in call to
13803 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13804 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13806 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13807 Jakub Jelinek <jakub@redhat.com>
13809 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13810 IBM extended float format long double as "g" on powerpc*-linux.
13812 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13815 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13816 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13818 2006-02-03 Jason Merrill <jason@redhat.com>
13821 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13823 PR middle-end/25977
13824 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13825 on the return slot if it's an NRV.
13827 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13829 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13830 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13831 rewrite_use): Do not handle USE_OUTER.
13832 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13833 add_iv_outer_candidates, may_replace_final_value,
13834 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13835 (find_interesting_uses_op): Functionality of
13836 find_interesting_uses_outer_or_nonlin moved here.
13837 (find_interesting_uses_outside): Use find_interesting_uses_op.
13839 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13842 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13844 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13845 Ulrich Weigand <uweigand@de.ibm.com>
13848 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13849 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13850 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13851 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13853 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13854 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13855 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13856 Define secondary reloads for TFmode moves.
13857 (constant_modes): Add TFmode.
13858 (NR_C_MODES): Set to 8.
13859 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13861 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13862 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13863 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13864 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13865 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13866 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13867 (FPR mode macro): Add TFmode.
13868 (DSF mode macro): New.
13869 (<de>, <dee> mode attributes): Removed.
13870 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13871 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13872 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13873 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13874 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13875 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13876 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13877 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13878 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13879 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13880 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13881 "*negabs<mode>2", "sqrt<mode>2"):
13882 Changed <de> to <xde>. R constraint replaced by <Rf>.
13883 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13885 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13886 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13887 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13889 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13890 "extenddftf2", "extendsftf2"): New expanders.
13891 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13892 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13893 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13894 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13896 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13897 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13898 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13899 __floatditf): Add a GCC_4.1.0 symbol version tag.
13900 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13903 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13906 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13907 Use targetm.binds_local_p instead of TREE_PUBLIC.
13909 2006-02-02 Roger Sayle <roger@eyesopen.com>
13911 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13912 on INTEGER_TYPEs to indicate that it denotes a character type.
13913 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13914 signed_char_type_node, unsigned_char_type_node and char_type_node.
13915 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13916 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13917 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13919 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13920 Daniel Berlin <dberlin@dberlin.org>
13922 * tree-tailcall.c (arg_needs_copy_p): New function.
13923 (eliminate_tail_call): Use arg_needs_copy_p.
13924 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13925 (add_virtual_phis): New function.
13927 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13929 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13930 #ignore instead of #scratch for %g7 .register directive.
13932 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13934 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13937 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13939 * flow.c (calculate_global_regs_live): Assert that there aren't any
13942 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13944 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13945 what its name says.
13946 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13947 bsi_after_labels iterator.
13948 * tree-if-conv.c (find_phi_replacement_condition,
13949 replace_phi_with_cond_modify_expr): Likewise.
13950 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13951 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13953 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13955 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13957 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13960 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13961 array after growing it.
13963 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13965 PR middle-end/24901
13966 * fold-const.c (fold_checksum_tree): Change type of buf.
13968 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13970 * reload.c (push_secondary_reload): Initialize t_icode.
13972 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13974 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13975 -msoft-float -mlong-double-128 only issue a warning, but don't
13976 swich to DFmode long double.
13978 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13980 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13981 has a constant equivalent, iterate over equivalents for arg0,
13982 calling simplify_relational_operation and if there's a result
13983 cheaper than X, apply fold_rtx and return the result.
13985 2006-02-01 Jan Hubicka <jh@suse.cz>
13987 * opts.c (no_unit_at_a_time_default): New global variable.
13988 (decode_options): Use it.
13989 * opts.h (no_unit_at_a_time_default): Declare.
13991 2006-02-01 Paul Brook <paul@codesourcery.com>
13993 * function.c (assign_parm_setup_reg): Use function argument promotion
13995 * expr.c (expand_expr_real_1): Use function argument promotion rules
13998 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14000 * gcc.c (process_command): Change j to 'unsigned int'.
14002 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14004 PR middle-end/26001
14005 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14006 Use the corrected index for the character
14007 out of the string constant.
14009 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14011 * mode-switching.c (optimize_mode_switching): Fix size
14012 allocated for bb_info[n_entities].
14014 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14016 * gcc.c (main): Correct type that is allocated for
14017 explicit_link_files.
14019 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14021 * config/s390/s390.c (init_alignment_context): Set
14022 ALIAS_SET_MEMORY_BARRIER on the MEM.
14023 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14025 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14027 PR middle-end/25933
14028 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14030 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14033 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14035 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14036 * regrename.c: Ditto.
14037 * tree-ssa-loop-im.c: Ditto.
14038 * tree-dump.c: Ditto.
14039 * tree-complex.c: Ditto.
14040 * genrecog.c: Ditto.
14041 * tree-ssa-threadupdate.c: Ditto.
14043 * java/class.c: Ditto.
14044 * java/jcf-parse.c: Ditto.
14045 * java/resource.c: Ditto.
14046 * java/except.c: Ditto.
14047 * java/jvspec.c: Ditto.
14048 * java/jcf-write.c: Ditto.
14049 * java/jcf-path.c: Ditto.
14050 * java/gjavah.c: Ditto.
14051 * java/zextract.c: Ditto.
14052 * java/jcf-io.c: Ditto.
14053 * java/jcf.h: Ditto.
14054 * java/buffer.c: Ditto.
14055 * java/lang.c: Ditto.
14056 * java/parse-scan.y: Ditto.
14057 * java/lex.c: Ditto.
14058 * java/lex.h: Ditto.
14059 * cfgloopmanip.c: Ditto.
14060 * postreload-gcse.c: Ditto.
14061 * tree-ssa-loop-manip.c: Ditto.
14062 * postreload.c: Ditto.
14063 * tree-ssa-loop-ch.c: Ditto.
14066 * cppspec.c: Ditto.
14067 * diagnostic.c: Ditto.
14069 * genoutput.c: Ditto.
14071 * cfghooks.c: Ditto.
14072 * cfgloopanal.c: Ditto.
14073 * objc/objc-act.c: Ditto.
14075 * genextract.c: Ditto.
14076 * genautomata.c: Ditto.
14077 * pretty-print.c: Ditto.
14078 * genemit.c: Ditto.
14079 * cgraphunit.c: Ditto.
14081 * df-scan.c: Ditto.
14082 * haifa-sched.c: Ditto.
14083 * dominance.c: Ditto.
14085 * tree-ssa-loop-ivopts.c: Ditto.
14086 * df-core.c: Ditto.
14087 * mode-switching.c: Ditto.
14088 * modulo-sched.c: Ditto.
14090 * ipa-pure-const.c: Ditto.
14092 * fix-header.c: Ditto.
14094 * tree-stdarg.c: Ditto.
14095 * ipa-utils.c: Ditto.
14096 * loop-init.c: Ditto.
14097 * ipa-inline.c: Ditto.
14098 * cfganal.c: Ditto.
14100 * alloc-pool.c: Ditto.
14101 * dwarf2out.c: Ditto.
14103 * genattrtab.c: Ditto.
14104 * tree-ssa-loop-ivcanon.c: Ditto.
14105 * predict.c: Ditto.
14106 * timevar.c: Ditto.
14108 * fortran/gfortranspec.c: Ditto.
14109 * regmove.c: Ditto.
14110 * local-alloc.c: Ditto.
14111 * langhooks.c: Ditto.
14112 * function.c: Ditto.
14113 * tree-vectorizer.c: Ditto.
14115 * ipa-type-escape.c: Ditto.
14117 * tree-if-conv.c: Ditto.
14118 * profile.c: Ditto.
14120 * tree-data-ref.c: Ditto.
14121 * loop-unroll.c: Ditto.
14122 * treelang/treetree.c: Ditto.
14124 * bt-load.c: Ditto.
14125 * ggc-common.c: Ditto.
14127 * coverage.c: Ditto.
14129 * tree-cfgcleanup.c: Ditto.
14130 * tree-ssa-pre.c: Ditto.
14131 * cfgcleanup.c: Ditto.
14132 * loop-invariant.c: Ditto.
14133 * loop-iv.c: Ditto.
14134 * ipa-prop.c: Ditto.
14135 * print-tree.c: Ditto.
14136 * conflict.c: Ditto.
14137 * ggc-page.c: Ditto.
14138 * sched-deps.c: Ditto.
14139 * regclass.c: Ditto.
14140 * tree-object-size.c: Ditto.
14141 * combine.c: Ditto.
14142 * bb-reorder.c: Ditto.
14143 * resource.c: Ditto.
14144 * var-tracking.c: Ditto.
14145 * cfgloop.c: Ditto.
14146 * df-problems.c: Ditto.
14147 * reg-stack.c: Ditto.
14149 * gccspec.c: Ditto.
14150 * sched-rgn.c: Ditto.
14151 * tree-ssa-structalias.c: Ditto.
14152 * tree-ssa-reassoc.c: Ditto.
14153 * config/darwin-c.c: Ditto.
14154 * config/darwin.c: Ditto.
14155 * config/arm/arm.c: Ditto.
14157 * collect2.c: Ditto.
14158 * reload1.c: Ditto.
14160 2006-01-31 Nicolas Pitre <nico@cam.org>
14162 * arm.md (smaxsi3): Make aware of smax_m1.
14165 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14167 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14169 2006-01-31 Richard Guenther <rguenther@suse.de>
14171 * doc/invoke.texi (-msselibm): Document.
14172 * target.h (expand_library_builtin): New target hook.
14173 * builtins.c (expand_builtin): Use expand_library_builtin.
14174 (default_expand_library_builtin): New function.
14175 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14176 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14177 (link_gcc_math_spec): Declare.
14178 (static_specs): Add link_gcc_math_spec.
14179 * expr.h (default_expand_library_builtin): Declare.
14180 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14181 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14182 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14183 * config/i386/i386.opt (msselibm): New target option.
14184 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14185 (ix86_init_sse_abi_builtins): New function.
14186 (ix86_expand_library_builtin): Likewise.
14187 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14188 (override_options): Handle error conditions wrt -msselibm.
14189 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14190 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14191 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14194 2006-01-31 Richard Guenther <rguenther@suse.de>
14195 Paolo Bonzini <bonzini@gnu.org>
14197 * doc/install.texi (--disable-libgcc-math): Document.
14199 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14201 * expr.h (expand_normal): new inline function.
14202 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14203 * dojump.c: use it.
14204 * dwarf2out.c: use it.
14207 * expmed.c: use it.
14208 * except.c: use it.
14209 * config/sparc/sparc.c: use it.
14210 * config/i386/i386.c: use it.
14211 * config/rs6000/rs6000.c: use it.
14212 * config/arm/arm.c: use it.
14213 * config/mips/mips.c: use it.
14214 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14216 2006-01-30 Roger Sayle <roger@eyesopen.com>
14218 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14219 argv to the appropriate type.
14221 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14223 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14226 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14229 * config/s390/s390.c (struct machine_function): New flag
14230 decomposed_literal_pool_addresses_ok_p.
14231 (s390_reorg): Set it before final stage of literal pool transforms.
14232 (s390_decompose_address): Only accept displacements of the form
14233 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14235 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14237 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14238 the comparison routine return.
14240 2006-01-30 Michael Matz <matz@suse.de>
14242 * global.c (find_reg): Only evict for global regs.
14243 Take n_refs into account and dump more info.
14245 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14248 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14249 (pragma_trap, pragma_nosave_low_regs): Likewise.
14250 (current_function_anonymous_args): Likewise.
14251 (sh_deferred_function_attributes): New variable.
14252 (sh_deferred_function_attributes_tail): Likewise.
14253 (print_operand): For '@', look up trap_exit attribute.
14254 (calc_live_regs): Look up trapa_handler attribute. For trapa
14255 handlers, save/restore fpscr, but don't do any other
14256 interrupt-specific saves.
14257 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14258 Fix check for partially saved registers to check for SHmedia.
14259 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14260 (sh_output_function_epilogue): Don't clear any of the removed
14262 (sh_insert_attributes): Don't check pragma_interrupt.
14263 Insert deferred attributes. Check that interrupt attribute is
14264 present for other attributes that require its presence.
14265 (sh_attribute_table): Add new attributes trapa_handler and
14267 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14268 Don't check for pragma_interrupt. Don't store argument.
14269 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14270 (sh_deferred_function_attributes): Declare.
14271 (sh_deferred_function_attributes_tail): Likewise.
14272 * sh.md (sp_switch_1): Add operand. Change generator caller.
14273 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14274 (*return_i): Don't use when trap_exit attribute is in effect.
14275 (*return_trapa): New insn pattern.
14276 * sh-c.c: New file.
14277 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14278 setting c_target_objs and cxx_target_objs.
14279 * t-sh: Add rule for sh-c.o.
14281 2006-01-30 Richard Guenther <rguenther@suse.de>
14284 * gimplify.c (gimplify_target_expr): Handle easy cases
14285 without creating a temporary.
14287 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14289 * vec.h (safe_grow): Remove duplicated line.
14291 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14294 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14295 (expand_omp): ... here.
14296 (expand_omp_parallel): Only remove barriers for combined
14297 parallel+workshare constructs.
14299 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14303 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14304 * tree.c (build_qualified_type): Chain the new type to the original
14305 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14306 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14307 (build_pointer_type_for_mode): Only return unqualified types.
14308 (build_reference_type_for_mode): Likewise.
14310 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14312 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14313 * Makefile.in (CXX_COMPAT_WARN): Define.
14314 * configure: Regenerate.
14316 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14319 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14322 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14324 * toplev.c: Fix thinko.
14326 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14327 Marcin Dalecki <martin@dalecki.de>
14329 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14330 (push_srcloc): Use XNEW.
14331 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14333 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14335 * df-core.c (df_set_blocks): Deleted all variable.
14337 2006-01-28 Ian Lance Taylor <ian@airs.com>
14339 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14340 cgraph_output_pending_asms.
14342 2006-01-28 Zack Weinberg <zackw@panix.com>
14344 * c.opt: Add -W(no-)overlength-strings.
14345 * doc/invoke.texi: Document it.
14346 * c-opts.c (c_common_handle_option): -pedantic implies
14347 -Woverlength-strings, if not explicitly disabled already.
14348 (c_common_post_options): -Woverlength-strings defaults to off, and
14349 is always off for C++.
14350 * c-common.c (fix_string_type): Issue warning about strings longer
14351 than is portable only if warn_overlength_strings. Rearrange code
14352 a little for clarity.
14353 * configure.in: Check for -Wno-overlength-strings as well before
14354 enabling -pedantic in stage 1.
14355 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14356 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14358 * genconditions.c (write_header, write_one_condition)
14359 (write_conditions, write_writer): Consolidate very long strings
14360 that were broken up to fit in C89 portable limit. Don't use
14361 printf when fputs will do.
14363 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14365 * combine.c (simplify_comparison <AND>): Check
14366 TRULY_NOOP_TRUNCATION before start using a subreg.
14368 * config/mips/mips.md (*branch_zero<mode>,
14369 *branch_zero<mode>_inverted, *branch_equality<mode>,
14370 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14371 Remove mode check from comparisons.
14373 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14375 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14377 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14379 * expmed.c (const_mult_add_overflow_p): Remove.
14380 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14382 * recog.c (validate_replace_rtx_subexp): Remove.
14383 * recog.h: Remove the prototype for
14384 validate_replace_rtx_subexp.
14386 * integrate.h: Remove the prototype for
14387 copy_decl_for_inlining.
14388 * rtl.h: Remove the prototype for mark_constant_function.
14389 * tree-vectorizer.h: Remove the prototype for
14390 vect_strip_conversion.
14392 * modulo-sched.c (create_partial_schedule,
14393 free_partial_schedule, reset_partial_schedule): Make them
14396 * hooks.c (hook_bool_rtx_int_false): Remove.
14397 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14399 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14401 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14402 and -mlong-double-128 are incompatible.
14403 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14404 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14405 (TARGET_LIBGCC2_CFLAGS): Define.
14406 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14407 (TARGET_LIBGCC2_CFLAGS): Same.
14408 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14410 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14413 * c-typeck.c (build_binary_op): Perform implicit casts of
14414 operands before shortening them.
14416 * cfgloopmanip.c (split_loop_bb): Remove.
14417 * cfgloop.h: Remove the prototype for split_loop_bb.
14419 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14420 * cfgloop.h: Remove the prototype for
14421 flow_loop_outside_edge_p.
14423 * emit-rtl.c (init_virtual_regs): Make it static.
14424 * function.h: Remove the prototype for init_virtual_regs.
14426 * recog.c (peephole2_optimize): Make it static.
14427 * recog.h: Remove the prototype for peephole2_optimize.
14429 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14431 * df-scan.c (df_record_entry_block_defs): Check if
14432 INCOMING_RETURN_ADDR_RTX is defined.
14434 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14435 Kenneth Zadeck <zadeck@naturalbridge.com>
14437 PR rtl-optimization/24762
14438 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14439 * targhooks.c (hook_void_bitmap): New hook prototype.
14440 * targhoohs.h (hook_void_bitmap): Ditto.
14441 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14442 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14443 * target.h (live_on_entry): New function pointer.
14444 * df-scan.c (df_all_hard_regs): Removed.
14445 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14446 (df_scan_free_internal): Added df->entry_block_defs.
14447 (df_scan_alloc): Ditto.
14448 (df_scan_dump): Ditto.
14449 (df_uses_record): Plumbed flag field properly thru calls.
14450 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14451 This part fixes PR24762.
14452 (df_bb_refs_record): Added code to make the frame and arg
14453 pointers live in EH blocks.
14454 (df_refs_record): Added call to df_record_entry_block_defs.
14455 (df_record_entry_block_defs): New function.
14456 * df-core.c: Added comments to describe new artifical defs.
14457 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14458 (entry_block_defs): New field in struct df.
14459 (df_all_hard_regs): Deleted.
14460 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14461 * df-problems.c (df_ru_bb_local_compute_process_def):
14462 Added code to handle artifical defs in the entry to a function.
14463 (df_ru_bb_local_compute): Ditto.
14464 (df_rd_bb_local_compute_process_def): Ditto.
14465 (df_rd_bb_local_compute): Ditto.
14466 (df_lr_bb_local_compute): Ditto.
14467 (df_ur_bb_local_compute): Ditto.
14468 (df_urec_bb_local_compute): Ditto.
14469 (df_chain_create_bb): Ditto.
14470 (df_ur_local_finalize): Removed entry.
14471 (df_urec_init): Ditto.
14472 (df_urec_local_finalize): Ditto.
14473 (df_ri_bb_compute): Added detection of last use of pseudos.
14474 * Makefile.in (df-scan.o): Updated dependencies.
14475 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14476 * config/mips/mips.c (mips_set_live_on_entry): Added.
14477 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14479 * dce.c (marked_insn_p): Added code to handle artifical defs.
14481 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14483 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14485 (_mm_cvtsi128_si64): Likewise.
14486 (_mm_cvtsd_si64): Likewise.
14487 (_mm_cvttsd_si64): Likewise.
14488 (_mm_cvtsi64_sd): Likewise.
14489 (_mm_cvtsi64_si128): Likewise.
14490 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14491 (_mm_cvtsi64_m64): Likewise.
14492 (_m_to_int64): Likewise.
14493 (_mm_cvtm64_si64): Likewise.
14494 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14495 (_mm_cvttss_si64): Likewise.
14496 (_mm_cvtsi64_ss): Likewise.
14497 (_mm_cvtss_f32): Likewise.
14499 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14501 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14502 for pragma redefine_extname.
14504 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14507 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14508 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14509 -mno-minimal-toc to previous content.
14510 (bispecs): Remove goal.
14511 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14512 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14513 compatibility aliases on powerpc-*-*gnu*.
14514 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14515 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14516 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14517 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14518 (ldblspecs): New goal.
14519 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14520 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14522 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14523 L_sf_to_tf or L_df_to_tf is defined.
14525 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14526 Alan Modra <amodra@bigpond.net.au>
14529 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14530 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14531 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14532 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14533 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14534 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14535 (rs6000_override_options): Initialize rs6000_ieeequad.
14536 Initialize TFmode format to ibm_extended_format if not
14538 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14540 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14541 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14542 (function_arg_advance): IBM long double passed in two FPRs, not
14544 (function_arg): IBM long double passed in FPRs.
14545 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14546 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14547 Only multireg GPR aligned.
14548 (rs6000_init_libfuncs): Enable IBM long double functions if not
14550 (rs6000_generate_compare): Use IBM long double compare if not
14552 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14553 (TARGET_IEEEQUAD): Define.
14554 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14555 not TARGET_IEEEQUAD.
14556 * config/rs6000/rs6000.md: Enable TFmode patterns if
14558 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14559 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14560 and -mlong-double-128 are incompatible.
14561 * doc/invoke.texi (-mabi): Collect options together. Add
14562 ibmlongdouble and ieeelongdouble.
14564 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14566 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14568 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14569 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14570 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14571 * rtl.h (rtunion_def): Remove rt_ptr.
14573 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14574 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14575 * config/i386/winnt.c (i386_pe_mark_dllexport)
14576 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14578 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14580 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14582 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14586 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14587 pthread_key_delete. From John David Anglin. gthrw-ify
14588 pthread_getunique_np only if it it's not a macro. Delete
14590 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14591 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14592 __gthread_objc_condition_signal, __gthread_key_delete): Add
14593 "__attribute__ ((__unused__))" to unused arguments.
14594 (__gthread_recursive_mutex_init_function): Add missing return.
14595 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14596 gthr-posix95.h: Use macro-based approach for name redirection
14597 on targets missing weakref.
14599 2006-01-26 Zack Weinberg <zackw@panix.com>
14601 * genconditions.c (write_header): In generated code, #ifdef out
14602 all includes and fake declarations, except includes of bconfig.h
14603 and system.h, unless GCC_VERSION >= 3001. Do not include
14604 gensupport.h in any case.
14605 (write_conditions): Generate a definition of struct c_test. Add
14606 a comment to the generated #endif.
14607 (write_one_condition): Escape backslashes in string too.
14608 (write_writer): Generated code must escape backslashes and quote
14609 marks (but not newlines) in the strings it writes.
14610 * Makefile.in (build/gencondmd.o): Update dependencies.
14612 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14615 * Makefile.in (insn-automata.o): Add header file dependencies.
14616 * genautomata.c: Add includes.
14618 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14621 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14623 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14625 * configure.ac: Expect target tools paths to be passed from the toplevel
14626 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14628 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14630 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14633 * c.opt (Wpointer-sign): Init to -1.
14634 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14635 OPT_pedantic, to 0 otherwise.
14636 * doc/invoke.texi: Update.
14638 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14640 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14641 constants provided by 80387 instructions in the destination mode.
14643 2006-01-26 Richard Guenther <rguenther@suse.de>
14644 Andrew Pinski <pinskia@physics.uc.edu>
14647 partial PR tree-opt/17064
14648 * tree-ssa-structalias.c (intra_create_variable_infos):
14649 Create heap variables for incoming parameters if
14650 flag_argument_noalias > 1.
14651 (find_what_p_points_to): Look through default defs of
14654 2006-01-26 Jeff Law <law@redhat.com>
14657 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14658 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14659 within the VR_RANGE, use the VR_RANGE as the result, not the
14661 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14662 bounds for the type.
14664 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14666 * tree-ssa-alias.c (maybe_create_global_var): Change
14667 subvar walking to an assertion that we don't have subvar'd variables.
14669 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14672 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14673 Use a new variable, inner. PARM_DECLs are always non-weak.
14675 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14677 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14678 --disable-checking.
14680 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14682 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14684 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14686 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14687 (smax_insn, smin_insn, smax_0, smin_0): New.
14689 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14692 * config/cris/cris.c (cris_order_for_addsi3): New function.
14693 * config/cris/cris-protos.h: Prototype it.
14694 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14695 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14696 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14697 (split for "op.S1 [rx=rx+i],ry (swapped)")
14698 (split for "op(s|u).S1 [rx=rx+i],ry")
14699 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14700 Apply cris_order_for_addsi3 when generating addsi3 insns.
14702 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14704 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14705 (TREE_BLOCK): Add call to EXPR_CHECK.
14707 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14710 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14711 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14712 (dump_omp_clauses): ... here.
14713 (dump_generic_node): Handle OMP_CLAUSE.
14714 * tree.c (omp_clause_num_ops): New.
14715 (omp_clause_code_name): New.
14716 (tree_code_size): Handle OMP_CLAUSE.
14717 (tree_size): Likewise.
14718 (make_node): Document handling of OMP_CLAUSE.
14719 (tree_node_structure): Handle OMP_CLAUSE.
14720 (omp_clause_check_failed): New.
14721 (omp_clause_range_check_failed): New.
14722 (omp_clause_operand_check_failed): New.
14723 (build_omp_clause): New.
14724 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14725 * tree.h (enum omp_clause_code): Declare.
14726 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14727 (OMP_CLAUSE_RANGE_CHECK): Define.
14728 (OMP_CLAUSE_ELT_CHECK): Define.
14729 (omp_clause_check_failed): Declare.
14730 (omp_clause_operand_check_failed): Declare.
14731 (omp_clause_range_check_failed): Declare.
14732 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14733 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14734 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14735 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14736 (OMP_CLAUSE_IF_EXPR): Likewise.
14737 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14738 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14739 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14740 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14741 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14742 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14743 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14744 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14745 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14746 (OMP_CLAUSE_CODE): Define.
14747 (OMP_CLAUSE_SET_CODE): Define.
14748 (OMP_CLAUSE_CODE): Define.
14749 (OMP_CLAUSE_OPERAND): Define.
14750 (struct tree_omp_clause): Declare.
14751 (union tree_node): Add field 'omp_clause'.
14752 * treestruct.def (TS_OMP_CLAUSE): Define.
14753 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14754 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14755 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14756 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14757 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14758 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14759 (OMP_CLAUSE): Define.
14760 * print-tree.c (print_node): Handle OMP_CLAUSE.
14761 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14762 * c-typeck.c: Likewise.
14763 * gimplify.c: Likewise.
14764 * c-omp.c: Likewise.
14765 * tree-nested.c: Likewise.
14766 * tree-inline.c: Likewise.
14767 * c-parser.c: Likewise.
14768 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14771 2006-01-25 Roger Sayle <roger@eyesopen.com>
14773 PR rtl-optimization/25703
14774 * combine.c (try_combine): Handle zero_extract and strict_low_part
14775 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14777 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14779 * global.c: Fix comment typos.
14781 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14784 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14785 Use output_addr_const instead of assemble_name.
14787 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14789 * Makefile.in (sched-vis.o): Update dependencies.
14790 * haifa-sched.c (sched_finish): Clear current_sched_info.
14791 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14792 (dump_flow_info): Call it.
14793 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14795 * basic-block.h (dump_bb_info): Declare.
14796 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14797 option, and apply options only for dump files whose TDF_RTL,
14798 TDF_TREE, or TDF_IPA bits match.
14799 * rtl.h: Declare new functions exported from sched-vis.c.
14800 * sched-vis.c: Enable also if scheduling is not used.
14801 (print_value): Print the mode of registers if not inside scheduling.
14802 (print_insn): Make it work outside the scheduler. Beautify the output
14804 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14806 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14808 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14809 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14810 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14811 depending on the value of CONSTANT_POOL_ADDRESS_P.
14812 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14814 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14815 rather than SYMBOL_REF_DECL.
14816 (rtx_constant_pool): Remove const_rtx_sym_htab.
14817 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14818 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14819 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14820 Remove handling of const_rtx_sym_htab.
14821 (find_pool_constant): Delete.
14822 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14823 rather than find_pool_constant.
14824 (get_pool_constant_for_function): Delete.
14825 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14826 find_pool_constant.
14827 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14828 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14829 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14830 (SYMBOL_REF_CONSTANT): New macro.
14831 (get_pool_constant_for_function): Delete.
14832 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14833 rather than SYMBOL_REF_DECL.
14834 (i386_pe_mark_dllimport): Likewise.
14835 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14836 rather than SYMBOL_REF_DECL.
14837 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14838 (machopic_indirect_call_target): Likewise.
14840 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14842 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14844 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14846 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14848 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14850 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14852 2006-01-24 David Daney <ddaney@avtrex.com>
14855 * configure.ac (enable_tls): New enable option.
14856 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14857 * configure: Regenerate.
14858 * doc/install.texi (--enable-tls): Document new option.
14859 (--disable-tls): Ditto.
14861 2006-01-24 Richard Henderson <rth@redehat.com>
14863 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14864 * alias.c (true_dependence): Respect it.
14865 (canon_true_dependence, write_dependence_p): Likewise.
14866 * builtins.c (get_builtin_sync_mem): Set it.
14868 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14870 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14873 2006-01-24 DJ Delorie <dj@redhat.com>
14875 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14876 for storing constants in single-bit bitfields.
14878 2006-01-25 Ben Elliston <bje@au.ibm.com>
14880 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14882 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14885 * tree-ssa-pre.c (phi_translate): Return NULL
14886 for AGGREGATE_TYPE's.
14888 2006-01-24 Zack Weinberg <zackw@panix.com>
14890 * genautomata.c (process_state_for_insn_equiv_partition):
14891 Use xcalloc for insn_arcs_array.
14892 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14893 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14895 2006-01-24 Richard Henderson <rth@redhat.com>
14897 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14898 update all callers.
14900 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14902 PR rtl-optimization/25890
14903 PR rtl-optimization/25905
14904 * combine.c (expand_compound_operation, expand_field_assignment):
14905 Fail if the bitfield's final position is out of bounds.
14907 2006-01-24 Ian Lance Taylor <ian@airs.com>
14909 PR middle-end/25930
14910 * cgraphunit.c (cgraph_output_in_order): Don't clear
14911 cgraph_asm_nodes until after asm strings have been output.
14913 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14915 * fix-header.c (read_scan_file): Add new parameter imultilib when
14916 calling register_include_chains.
14918 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14920 * omp-low.c: Update documentation.
14922 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14923 Daniel Berlin <dberlin@dberlin.org>
14927 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14928 return from the function.
14930 2006-01-22 Zack Weinberg <zackw@panix.com>
14932 * rtl.def (match_code): Add second argument.
14933 * genpreds.c (write_extract_subexp): New function.
14934 (write_match_code): Add path argument. Use write_extract_subexp.
14935 (write_predicate_expr): Pass path to write_match_code.
14936 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14937 not perform a mode test.
14938 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14939 a subexpression does not constrain the top-level code set.
14940 * read-rtl.c (read_rtx_variadic): New function.
14941 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14942 * doc/md.texi: Document new notation.
14943 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14944 (cmpsi_operand): ... here, using new notation.
14946 2006-01-22 Zack Weinberg <zackw@panix.com>
14948 * varray.c: Remove GENERATOR_FILE #ifdefs.
14950 2006-01-22 Zack Weinberg <zackw@panix.com>
14952 * genautomata.c (output_reserved_units_table): Emit nothing if
14953 description->query_units_num is zero. Remove extra blank line.
14954 (output_cpu_unit_reservation_p): Short circuit
14955 if description->query_units_num is zero.
14957 2006-01-22 Zack Weinberg <zackw@panix.com>
14959 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14960 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14961 nor any of the random handful of variables that used to be necessary
14962 when this program was linked with rtlanal.o. Prune set of forward
14963 function declarations.
14964 (struct attr_desc): Remove static_p field.
14965 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14966 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14967 (attr_string): Do not read the character one past the length of
14969 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14970 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14971 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14972 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14973 (make_automaton_attrs): New.
14974 (main): Do not call into genautomata. Call local gen_bypass
14975 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14976 Remove special case for insn_alts.
14977 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14978 varray.h (leftover from previous change). Prune set of forward
14979 function declarations. Remove state_alts fields from all
14980 structures. Remove state_alts_table from struct automaton.
14981 Make everything except main static. Do not maintain num_dfa_decls.
14982 Do not maintain state_alts fields of various structures.
14983 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14984 (add_arc): Remove state_alts argument. All callers updated.
14985 (output_reserved_units_table): Emit #ifdef here...
14986 (output_tables): ...not here. Don't generate state_alts tables.
14987 (expand_automata): Don't generate attributes.
14988 (write_automata): Don't generate state_alts functions.
14989 (main): New function.
14990 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14991 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14992 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14993 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14994 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14995 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14996 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14997 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14999 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15000 * genattrtab.h: Delete file.
15001 * Makefile.in (OBJS-common): Add insn-automata.o.
15002 (insn-automata.o): New rule.
15003 (simple_generated_c): Add insn-automata.c.
15004 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15005 (genprogmd): Add automata.
15006 (build/genattrtab): Needs no extra objects nor libraries.
15007 (build/genautomata): Needs build/vec.o and -lm.
15009 2006-01-22 Zack Weinberg <zackw@panix.com>
15011 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15012 (output_dfa_max_issue_rate, locked_states_num): Delete.
15013 (struct automaton): Add locked_states field.
15014 (output_dead_lock_vect): Save number of locked states in
15015 automaton->locked_states. If it is zero, don't print anything.
15016 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15017 (output_internal_dead_lock_func): Only test the dead_lock_vect
15018 for automata that have locked states.
15019 (output_statistics): Always print the number of locked states for
15020 each automaton. Calculate total number of locked states here.
15021 (write_automata): Don't call output_dfa_max_issue_rate.
15022 * genattrtab.c: Define length_unit_log as a const variable.
15023 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15024 max_insn_queue_index const.
15025 * final.c (length_unit_log): Declare const.
15026 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15028 2006-01-22 Zack Weinberg <zackw@panix.com>
15030 * genautomata.c: Include vec.h, not varray.h.
15031 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15032 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15033 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15034 VEC_* macros operating on appropriately typed vectors, or to
15035 malloced arrays when the size is known in advance. Const-ify
15036 many char* variables and function arguments. No functional changes.
15037 * Makefile.in (build/varray.o): Delete rule.
15038 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15039 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15041 2006-01-22 Zack Weinberg <zackw@panix.com>
15043 * gensupport.c: Define get_insn_name and record_insn_name here.
15044 (read_md_rtx): Call record_insn_name as appropriate.
15045 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15046 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15047 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15049 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15050 (BUILD_VARRAY): Delete.
15051 (genprognormal): Rename genprogmd. Fold in all programs from
15052 genprognoprint; also attrtab.
15053 (build/genattrtab): Just mention genautomata.o and varray.o.
15054 Reorganize a bit, add comments to make the categories clearer.
15056 2006-01-22 Zack Weinberg <zackw@panix.com>
15058 * genconditions.c (condition_table, add_condition): Delete.
15059 (write_conditions): Don't emit n_insn_conditions nor
15060 insn_elision_unavailable. Issue the gcc version #ifdef here,
15061 inside the table, with no #else clause ...
15062 (write_header): ...not here.
15063 (write_writer): New function.
15064 (main): Don't initialize condition_table. Use add_c_test.
15066 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15067 files on the command line.
15068 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15069 Return -1 if there is no entry in the table, don't abort.
15070 (add_c_test, traverse_c_tests): New functions.
15071 * gensupport.h (insn_elision_unavailable, insn_conditions)
15072 (n_insn_conditions): Delete declarations.
15073 (add_c_test, traverse_c_tests): Declare.
15074 * read-rtl.c: Include gensupport.h.
15075 (read_conditions): New function.
15076 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15077 (read_rtx_1): If we get EOF when we were looking for an initial
15078 open paren, return 0. Call read_conditions when appropriate.
15079 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15080 dummy-conditions.o. Eliminate references to insn-conditions.o,
15081 or change them to build/gencondmd.o, as appropriate. Remove
15082 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15083 from $(simple_generated_c). For all files remaining in those
15084 two lists, add insn-conditions.md to the generator command line.
15085 Give insn-constants.h/s-constants their own rules. Add rules
15086 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15087 (build/read-rtl.o): Depend on gensupport.h.
15088 (genprognormal): Include preds.
15089 (genprogearly): Rename genprognoprint; only difference is now that
15090 they don't link with $(BUILD_PRINT).
15091 * dummy-conditions.c: Delete.
15093 2006-01-22 Zack Weinberg <zackw@panix.com>
15095 * genextract.c: Don't include insn-config.h. Do include vec.h.
15096 Declare vectors of int, char, and locstr.
15097 (locstr): New typedef.
15098 (struct extraction): Make all array fields into bare pointers.
15099 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15100 (insn_code_number): Delete.
15101 (accum_extract): New struct.
15102 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15103 (gen_insn): Take insn_code_number as an argument. Use an
15104 accum_extract structure instead of loading data directly into
15105 a struct extraction, and having to know how big it might get.
15106 (walk_rtx): Operate entirely on an accum_extract structure.
15107 (print_path): Avoid unnecessary use of printf.
15108 (print_header): New function, split out of main. Distinguish
15109 more carefully between an unrecognizable insn and an insn that
15110 has the code number of a define_expand.
15111 (main): Pass insn_code_number to gen_insn. Call print_header
15112 only after parsing. Avoid unnecessary use of printf.
15113 * Makefile.in (build/vec.o): New rule.
15114 (build/genextract): Depend on build/vec.o.
15115 (build/genextract.o): Don't depend on insn-config.h.
15117 2006-01-22 Zack Weinberg <zackw@panix.com>
15119 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15120 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15121 practical. Eliminate per-generator-program link rules.
15123 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15125 PR middle-end/24437
15126 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15127 with a call expr to ...
15128 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15130 2006-01-23 Richard Guenther <rguenther@suse.de>
15132 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15133 before make_edge with conditional EDGE_TRUE_VALUE.
15135 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15136 Jan Hubicka <jh@suse.cz>
15137 Richard Guenther <rguenther@suse.de>
15139 PR rtl-optimization/25654
15140 * cfgexpand.c (aggregate_contains_union_type): New function.
15141 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15142 for structure variables that contain a union type.
15144 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15146 * gengtype.c (new_structure): Return the structure.
15147 (create_option): Add an extra "next" argument.
15148 (create_field): New function.
15149 (adjust_field_rtx_def): Use create_option and create_field.
15150 Remove a now-unnecessary call to find_structure.
15151 (adjust_field_tree_def): Likewise.
15152 (note_yacc_type): Remove an unnecessary call to find_structure.
15153 * gengtype.h (new_structure): Return the structure.
15154 (create_option): Add an extra argument.
15155 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15156 (option): Adjust calls to create_option.
15158 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15160 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15162 2006-01-22 Paul Brook <paul@codesourcery.com>
15163 Peter Barada <peter@the-baradas.com>
15165 * config/m68k/m68k.md: Add Coldfire FPU support.
15166 Define FP mode macro and associated attributes.
15167 Use it for float mode patterns.
15168 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15169 (LIBCALL_VALUE): Use m68k_libcall_value.
15170 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15171 (m68k_function_value): Ditto.
15172 (emit_move_sequence): Ditto.
15173 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15174 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15175 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15176 (MULTILIB_EXCEPTIONS): Ditto.
15177 * config/m68k/m68k.opt: Add mcfv4e.
15178 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15179 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15180 (m68k_output_function_prologue): Save ColdFire FPU registers.
15181 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15182 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15183 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15184 ColdFire FPU registers.
15185 (m68k_libcall_value, m68k_function_value): New functions.
15186 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15187 (LIBCALL_VALUE): Use m68k_libcall_value.
15188 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15189 (MASK_COLDFIRE): Add MASK_CFV4E.
15190 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15191 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15192 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15193 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15194 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15195 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15196 * doc/invoke.tex: Document -mcfv4e on m68k.
15198 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15200 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15203 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15206 * c-opts.c (c_common_handle_option): Don't include
15207 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15208 * doc/invoke.texi (C++ Dialect Options): Document that
15209 -Wnon-virtual-dtor is no longer included in -Wall.
15211 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15213 * gcov.c (print_version), gcov-dump.c (print_version),
15214 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15217 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15219 * df-scan.c (problem_SCAN): Added NULL reset function.
15220 (df_scan_reset_blocks): Added code to call reset block function
15221 (df_bb_refs_delete) Fixed comment.
15222 (df_insn_refs_delete): Made tolerant of deleting non existent info
15223 for dataflow problems that need to be reset.
15224 * df-core.c (df_set_blocks): Ditto.
15225 * df.h (struct df_problem): Added reset_fun.
15226 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15227 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15228 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15229 functions to clear out all references to def-use or use-def chains.
15231 2006-01-21 Ben Elliston <bje@au.ibm.com>
15233 * varasm.c (assemble_real): Initialise data array.
15235 2006-01-20 Paul Brook <paul@codesourcery.com>
15237 Merge from csl-arm-branch.
15238 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15239 * config/arm/arm.md (movdi): Force operands[1] to a register
15240 if we have a non-register source.
15241 (*arm_movdi, *movdf_soft_insn): Require that one of the
15242 operands be a register.
15243 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15244 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15246 2006-01-20 DJ Delorie <dj@redhat.com>
15248 * varasm.c (initializer_constant_valid_p): Allow pointers
15249 initialized from integer constants of lesser precision.
15250 (output_constant): Allow non-int-sized pointer modes to be
15251 initialized from integer constants.
15253 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15256 * cppdefault.h (struct default_include): Add multilib flag.
15257 * cppdefault.c (cpp_include_defaults): Set it.
15258 * c.opt (-imultilib): New option.
15259 * c-opts.c (imultilib): New.
15260 (c_common_handle_option): Handle -imultilib.
15261 (c_common_post_options): Likewise.
15262 * c-incpath.c (add_standard_paths, register_include_chains):
15264 * c-incpath.h (register_include_chains): Add extra parameter.
15265 * gcc.c (do_spec_1): Generate -imultilib option.
15266 (The Specs Language): Update %I description.
15267 (process_command): Update copyright notice.
15268 * doc/cppopts.texi (-imultilib): Document.
15269 * doc/invoke.texi (-imultilib): Include in option summary.
15270 (%I): Update specs documentation.
15272 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15274 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15276 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15278 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15281 2006-01-20 Richard Guenther <rguenther@suse.de>
15282 Steven Bosscher <stevenb.gcc@gmail.com>
15284 PR rtl-optimization/24626
15285 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15286 EDGE_TRUE_VALUE if in RTL mode.
15289 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15290 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15292 2006-01-20 Dirk Mueller <dmueller@suse.com>
15295 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15296 instead of a special NOP marker.
15297 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15298 NOP marker handling.
15299 * c-common.h (empty_body_warning): Add forward declaration.
15300 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15301 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15303 2006-01-20 Paul Brook <paul@codesourcery.com>
15305 * Makefile.in (lang_checks): Keep going if mkdir fails.
15307 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15309 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15310 be able to clean out basic block when not necessary.
15311 (df_scan_free): Fixed to properly delete information if df is
15312 unused before calling df_finish.
15313 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15314 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15316 (df_bb_refs_delete): New function.
15317 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15318 * df-core.c (df_set_blocks): Added code to properly clean out
15319 unused blocks if they are not part of the blocks to consider.
15320 Added additional null check.
15321 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15322 be able to clean out basic block when not necessary
15323 * df.h (df_free_bb_function): Ditto.
15324 (df_bb_refs_delete): New function.
15325 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15326 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15327 basic block parameter to be able to clean out basic block when not
15329 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15330 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15331 Fixed to properly delete information if df is unused before
15334 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15336 PR rtl-optimization/25799
15337 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15338 Corrected confluence operator to remove bits from op2 before oring
15339 with op1 rather than removing bits from op1.
15340 (df_ru_transfer_function): Corrected test on wrong bitmap which
15341 caused infinite loop. Both of these problems were introduced in
15342 the dataflow rewrite.
15344 2006-01-19 DJ Delorie <dj@redhat.com>
15346 * reload1.c (find_reload_regs): Note the details of reload
15347 failures in the dump file.
15348 (spill_failure): Likewise.
15350 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15352 * loop-iv.c: Include df.h and hashtab.h.
15353 (enum iv_grd_result): New enum.
15354 (DF_REF_IV, DF_REF_IV_SET): New macros.
15355 (struct biv_entry): New.
15356 (df, bivs): New global variables.
15357 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15358 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15360 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15361 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15362 analyzed_for_bivness_p, record_biv): New functions.
15363 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15364 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15365 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15367 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15369 (iv_number_of_iterations): Use new interface to iv analysis.
15370 * loop-unroll.c: Do not include varray.h.
15371 (analyze_iv_to_split_insn): Use new interface to iv
15373 * loop-unswitch.c (may_unswitch_on): Ditto.
15374 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15376 (df_bb_modify): Realloc tables to the new index.
15377 (df_find_use): New function.
15378 * df.h (df_find_use): Declare.
15379 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15381 * cfgloop.h (struct rtx_iv): Remove analysed field.
15382 (iv_get_reaching_def): Removed.
15383 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15384 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15385 (loop-iv.o): Add df.h and hashtab.h dependency.
15386 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15388 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15391 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15393 (__floatundisf, __floatundidf): Likewise.
15394 * libgcc2.h (IS_IBM_EXTENDED): Define.
15396 2006-01-19 DJ Delorie <dj@redhat.com>
15398 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15400 2006-01-19 Paul Brook <paul@codesourcery.com>
15402 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15403 as nothrow when unwinding tables are disabled.
15405 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15408 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15409 of bit-field" when in system header.
15411 2006-01-19 DJ Delorie <dj@redhat.com>
15413 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15414 the 16 bit shift limit of the m16c.
15416 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15419 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15420 * config/i386/i386.c (output_set_got): Output the label if we have one
15421 for the TARGET_DEEP_BRANCH_PREDICTION case.
15423 2006-01-19 Jan Hubicka <jh@suse.cz>
15424 H.J. Lu <hongjiu.lu@intel.com>
15425 Evandro Menezes <evandro.menezes@amd.com>
15427 * invoke.texi (generic): Document
15429 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15430 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15431 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15432 (x86_use_incdec, x86_pad_returns): New variables
15433 (TARGET_CPU_DEFAULT_generic): New constant
15434 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15435 (enum processor_type): Add generic32 and generic64.
15436 * i386.md (cpu attribute): Add generic32/generic64
15437 (movhi splitter): Behave sanely when both partial_reg_dependency and
15438 partial_reg_stall are set.
15439 (K8 splitters): Enable for generic as well.
15440 * predicates.md (incdec_operand): Use TARGET_INCDEC
15441 (aligned_operand): Avoid memory mismatch stalls.
15442 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15443 * ppro.md: Enable for generic32
15444 * i386.c (generic64_cost, generic32_cost): New.
15445 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15446 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15447 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15448 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15449 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15450 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15451 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15452 x86_accumulate_outgoing_args, x86_prologue_using_move,
15453 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15454 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15455 Enable for generic.
15456 (x86_use_incdec, x86_pad_returns): New.
15457 (override_options): Add generic32 and generic64, translate "generic"
15458 to generic32/generic64 and "i686" to "generic32", refuse
15459 "generic32"/"generic64" as arch target.
15460 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15461 (ix86_reorg): Honor PAD_RETURNS.
15463 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15465 * tree-pretty-print.c (dump_generic_node): Handle
15466 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15467 * cgraph.c (cgraph_expand_queue): Rename from
15468 cgraph_analyze_queue. Update all users.
15469 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15470 cgraph_expand_queue.
15471 (cgraph_expand_all_functions): Likewise.
15472 (cgraph_finalize_pending_functions): Remove. Update callers.
15474 * tree.h (OMP_DIRECTIVE_P): Define.
15475 (OMP_PARALLEL_FN): Define.
15476 (OMP_PARALLEL_DATA_ARG): Define.
15477 (OMP_SECTIONS_SECTIONS): Define.
15478 * tree-pass.h (pass_expand_omp): Declare.
15479 * omp-low.c (struct omp_region): Declare.
15480 (struct omp_context): Remove fields 'parallel_type',
15481 'parallel_start_ix' and 'parallel_start_additional_args'.
15483 (struct omp_for_data): Rename from struct expand_omp_for_data.
15484 (omp_regions): New static variable.
15485 (root_omp_region): New static variable.
15486 (find_omp_clause): Make static.
15487 (is_in_combined_parallel_ctx): Remove.
15488 (is_combined_parallel): New.
15489 (extract_omp_for_data): Move earlier in the file.
15490 (workshare_safe_to_combine_p): New.
15491 (get_ws_args_for): New.
15492 (determine_parallel_type): Move earlier in the file.
15493 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15495 (omp_copy_decl): Likewise.
15496 (create_omp_child_function): Likewise.
15497 (lookup_omp_region): New.
15498 (dump_omp_region): New.
15499 (debug_omp_region): New.
15500 (debug_all_omp_regions): New.
15501 (new_omp_region): New.
15502 (scan_omp_parallel): If parallel_nesting_level > 1, the
15503 directive is nested within another parallel directive.
15504 Set OMP_PARALLEL_FN.
15505 (scan_omp_for): Do not try to handle combined parallel+for
15507 Remove FIXME comment.
15508 (scan_omp_nested): Remove.
15509 (scan_omp_1): Do not call scan_omp_nested when
15510 parallel_nesting_level is > 1.
15511 Do not change the DECL_CONTEXT of local variables found.
15512 (lookup_decl_in_outer_ctx): New.
15513 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15514 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15515 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15516 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15517 If CTX is nested, lookup VAR in the outer context when
15518 building copy assignment.
15519 (lower_send_clauses): Rename from expand_send_clauses.
15520 If CTX is nested, lookup VAR in the outer context when
15521 building copy assignments.
15522 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15523 If CTX is nested, lookup VAR in the outer context when
15524 building copy assignments.
15525 (expand_parallel_call): Rename from build_parallel_call.
15526 Handle combined parallel+workshare cases.
15527 Re-implement to emit code into the CFG.
15529 (expand_omp_parallel): Re-implement to emit code into the CFG.
15530 Call move_sese_region_to_fn to outline the sub-graph
15531 containing the parallel region.
15532 (expand_omp_for_1): Remove.
15533 (expand_omp_for_generic): Re-implement to emit code into the
15535 (expand_omp_for_static_nochunk): Likewise.
15536 (expand_omp_for_static_chunk): Likewise.
15537 (expand_omp_for): Likewise.
15538 (expand_omp_sections): Likewise.
15539 (remove_exit_barriers): New.
15540 (expand_omp_synch): New.
15542 (build_omp_regions_1): New.
15543 (build_omp_regions): New.
15544 (execute_expand_omp): New.
15545 (gate_expand_omp): New.
15546 (pass_expand_omp): Define.
15547 (lower_omp_sections): Rename from expand_omp_sections.
15548 Set OMP_SECTIONS_SECTIONS.
15549 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15550 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15551 (lower_omp_single): Rename from expand_omp_simple.
15552 (lower_omp_master): Rename from expand_omp_master.
15553 (lower_omp_ordered): Rename from expand_omp_ordered.
15554 (lower_omp_critical): Rename from expand_omp_critical.
15555 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15556 (lower_omp_for): Re-implement.
15557 (lower_omp_parallel): Re-implement.
15558 (lower_regimplify): Rename from expand_regimplify.
15559 (lower_omp_1): Rename from expand_omp_1.
15560 If there are syntax errors in the program, replace every
15561 OpenMP directive with NOP.
15562 Call lower_omp_* instead of expand_omp_*.
15563 (lower_omp): Rename from expand_omp.
15565 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15566 * tree-gimple.h (enum omp_parallel_type): Remove.
15567 (gimple_boolify): Declare extern.
15568 (find_omp_clause, determine_parallel_type): Remove.
15570 * gimple-low.c (lower_omp_directive): New.
15571 (lower_stmt): Call it.
15572 (record_vars_into): Move from ...
15573 (record_vars): ... here.
15574 Call record_vars_into with current_function_decl.
15576 * gimplify.c (struct gimplify_ctx): Remove fields
15577 combined_pre_p and combined_ctxp. Update users.
15578 (get_formal_tmp_var): Add documentation.
15579 (gimple_boolify): Make extern.
15580 (gimplify_expr_in_ctx): Remove. Update callers.
15581 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15582 will always be a BIND_EXPR.
15583 (gimplify_expr): Handle OMP_RETURN_EXPR.
15584 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15585 (OMP_PARALLEL): Add 3 operands.
15586 (OMP_SECTIONS): Add 1 operand.
15587 (OMP_RETURN_EXPR): Define.
15589 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15590 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15591 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15592 creating a circular free list.
15593 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15595 * tree-flow.h (move_sese_region_to_fn): Declare.
15596 (record_vars_into): Declare.
15597 * tree-cfg.c (make_omp_sections_edges): New.
15598 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15599 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15600 OMP_SECTIONS and OMP_SECTION.
15601 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15602 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15603 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15604 (gather_blocks_in_sese_region): New.
15605 (struct move_stmt_d): Declare.
15606 (move_stmt_r): New.
15607 (move_block_to_fn): New.
15608 (move_sese_region_to_fn): New.
15610 * passes.c (init_optimization_passes): Schedule
15611 pass_expand_omp after pass_init_datastructures.
15613 * tree-ssa-operands.c (get_expr_operands): Handle
15614 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15615 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15617 2006-01-19 Jeff Law <law@redhat.com>
15619 * tree-vrp.c (extract_range_from_assert): Refine the result range
15620 if the variable referenced by the ASSERT_EXPR has a range and
15621 either the tentative result range or the previous range is a
15624 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15626 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15628 2006-01-19 Jan Hubicka <jh@suse.cz>
15630 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15632 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15634 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15635 (expand_compound_operation, expand_field_assignment): Fail if the
15636 bit lengths of an extract operation are out of range.
15637 (make_extraction): Compute wanted_inner_mode based on the position
15638 and length of the extraction. Make it extraction_mode for non-constant
15639 positions, and do not modify offset in that case. When generating a
15640 new MEM, use a mode that can hold the extraction while keeping correct
15641 alignment. Remove code that supported MEMs wrapped by USEs.
15642 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15644 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15646 * config/s390/s390.md ("Y", "y"): New mode attribute.
15647 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15648 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15649 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15650 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15651 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15652 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15653 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15654 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15655 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15656 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15657 "addsi3", "subsi3"): Insn patterns removed.
15658 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15659 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15660 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15661 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15662 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15663 "*sub<mode>3_cconly2"): New insn patterns.
15664 ("addsi3", "subsi3"): New expanders.
15666 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15668 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15669 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15670 existing STMT_VINFO_VECTYPE if available.
15671 (vect_mark_relevant): Add special handling for stmts that are
15672 marked as STMT_VINFO_IN_PATTERN_P.
15673 (vect_analyze_loop): Call vect_pattern_recog.
15674 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15675 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15677 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15678 (vect_recog_func_ptr): New function-pointer type.
15679 * tree-vect-patterns.c: New file.
15680 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15681 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15682 (vect_pattern_recog_1): New functions.
15683 (vect_pattern_recog_funcs): New array of function pointers.
15685 * tree-vectorizer.h (ternary_op): New enum value.
15686 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15687 declaration. Revised documentation. Removed redundant dump prints.
15688 Removed redundant argument. Added support for reduction patterns.
15689 (vectorizable_reduction): Added support for reduction patterns.
15690 (vect_transform_stmt): Added support for patterns.
15692 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15693 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15694 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15695 (expand_widen_pattern_expr): New function.
15696 (init_optabs): Initialize new optabs udot_prod_optab,
15698 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15699 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15700 (expand_widen_pattern_expr): New function declaration.
15701 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15703 * tree-inline.c (estimate_num_insns_1): Added cases for new
15704 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15705 * tree-pretty-print.c (dump_generic_node): Likewise.
15706 (op_prio): Likewise.
15707 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15708 * tree-ssa-operands.c (get_expr_operands): Added case for
15710 * tree-vect-patterns.c (widened_name_p): New function.
15711 (vect_recog_dot_prod_pattern): Added function implementation.
15712 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15713 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15714 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15715 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15717 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15718 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15719 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15720 (init_optabs): Initialize new optabs widen_ssum_optab,
15722 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15723 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15724 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15725 use instead of type of def.
15726 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15727 function implementation.
15728 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15729 widen_ssumv8hi): New.
15731 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15734 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15737 * c-decl.c (add_flexible_array_elts_to_size): New function.
15738 (finish_decl): Use it.
15740 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15742 * diagnostic.h: Include options.h.
15743 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15744 dependancies for diagnostic.h.
15745 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15747 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15749 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15750 (ssa_ro_call_cache_valid): Ditto.
15751 * tree-ssa-alias.c (sort_tags_by_id): New function.
15752 (init_transitive_clobber_worklist): Ditto.
15753 (add_to_worklist): Ditto.
15754 (mark_aliases_call_clobbered): Ditto.
15755 (compute_tag_properties): Ditto.
15756 (set_initial_properties): Ditto.
15757 (compute_call_clobbered): Ditto.
15758 (compute_may_aliases): Call compute_call_clobbered and grouping.
15759 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15760 (compute_flow_insensitive_aliasing): Grouping now happens in our
15762 (setup_pointers_and_addressables): Remove clobbering related code.
15763 (add_may_alias): Ditto.
15764 (replace_may_alias): Ditto.
15765 (get_nmt_for): Ditto.
15766 (create_global_var):
15767 (is_escape_site): Return an escape_type enumeration.
15768 * tree-flow-inline.h (is_call_clobbered): Global var does not
15769 imply call clobbered.
15770 (mark_call_clobbered): Take a reason for marking this. Remove
15771 marking of globalness, and cache invalidation.
15772 (clear_call_clobbered): Remove cache invalidation code.
15773 * tree-dfa.c (dump_variable): If details is on, dump the reason
15775 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15777 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15778 (struct var_ann_d): Ditto.
15779 (enum escape_type): New.
15780 (mark_call_clobbered): Adjust prototype.
15781 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15782 are never call clobbered.
15783 Record reasons for escaping.
15784 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15785 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15786 (ssa_ro_call_cache_valid): Ditto.
15787 (clobbered_v_may_defs): Ditto.
15788 (clobbered_vuses): Ditto.
15789 (ro_call_vuses): Ditto.
15790 (clobber_stats): New.
15791 (init_ssa_operands): Zero out clobber stats.
15792 (fini_ssa_operands): Print out clobber stats.
15793 (get_call_expr_operands): Pass callee fndecl to
15794 add_call_read_ops).
15795 (add_call_clobber_ops): Remove use of cache.
15796 Add use of PURE_CONST information.
15797 (add_call_read_ops): Remove use of cache.
15798 Add use of static not_read information.
15800 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15802 Introduce TLS descriptors for i386 and x86_64.
15803 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15804 (TARGET_ANY_GNU_TLS): New macro.
15805 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15806 (struct machine_function): Add tls_descriptor_call_expanded_p.
15807 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15808 (ix86_current_function_calls_tls_descriptor): Likewise.
15809 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15810 (override_options): Introduce gnu2 tls dialect.
15811 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15813 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15815 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15816 (ix86_init_machine_status): Initialize new field.
15817 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15818 (ix86_tls_module_base): New.
15819 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15820 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15821 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15822 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15823 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15824 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15825 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15826 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15827 * config/i386/predicates.md (tls_modbase_operand): New.
15828 (tp_or_register_operand): New.
15830 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15832 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15833 (look_for_address_of): Ditto.
15834 (ipa_init): Walk the function decls.
15835 (static_execute): Don't set readonly on FUNCTION_DECL's.
15837 2006-01-18 Roger Sayle <roger@eyesopen.com>
15839 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15840 for shifts where the source and destination registers are different.
15842 2006-01-18 Paul Brook <paul@codesourcery.com>
15844 Merge from csl-arm-branch.
15845 2005-03-14 Julian Brown <julian@codesourcery.com>
15846 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15847 (aeabi_llsl): Likewise.
15848 (ashrdi3): Likewise.
15849 (aeabi_lasr): Likewise.
15850 (lshrdi3): Likewise.
15851 (aeabi_llsr): Likewise.
15852 2005-03-10 Julian Brown <julian@codesourcery.com>
15853 * config.gcc: Disable shared libgcc for SymbianOS.
15854 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15856 2006-01-18 DJ Delorie <dj@redhat.com>
15858 * c-pragma.c (handle_pragma_diagnostic): New.
15859 (init_pragma): Register it.
15860 * doc/extend.texi: Document it.
15862 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15863 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15864 (diagnostic_context): Add classify_diagnostic[].
15865 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15866 as errors if they're overridden to DK_WARNING.
15867 (diagnostic_initialize): Initialize classify_diagnostic[].
15868 (diagnostic_set_kind_override): New.
15869 (diagnostic_report_diagnostic): Check for kind changes.
15870 * opts.c (common_handle_option): Take lang_mask. Update callers.
15871 Handle OPT_Werror_.
15872 * common.opt (Werror=): New.
15873 * doc/invoke.texi: Document -Werror=*
15875 2006-01-18 Jeff Law <law@redhat.com>
15877 * tree-vrp.c (test_for_singularity): Correct test for new
15878 min limit. Use operand_equal_p rather than pointer equality
15879 for testing if new min/max values are equal.
15881 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15882 using range information until after propagation and folding.
15884 2006-01-18 Richard Henderson <rth@redhat.com>
15885 Aldy Hernandez <aldyh@redhat.com>
15886 Jakub Jelinek <jakub@redhat.com>
15887 Diego Novillo <dnovillo@redhat.com>
15889 * omp-low.c: New file.
15890 * c-omp.c: New file.
15892 2006-01-18 Richard Henderson <rth@redhat.com>
15893 Jakub Jelinek <jakub@redhat.com>
15894 Diego Novillo <dnovillo@redhat.com>
15896 * doc/invoke.texi: Document -fopenmp.
15897 * tree-dump.h (debug_function): Declare.
15898 * hooks.c (hook_bool_tree_bool_false): New function.
15899 (hook_tree_tree_null): Remove.
15900 (hook_tree_tree_tree_null): New.
15901 * hooks.h: Update to match.
15902 * tree-pretty-print.c (debug_tree_chain): New.
15903 (print_generic_expr): Handle TDF_CHAIN.
15904 (dump_generic_node): Handle BLOCK.
15905 Do not abort with incomplete SWITCH_EXPRs.
15906 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15907 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15908 print space after directive name.
15909 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15910 Handle OMP_MASTER and OMP_ORDERED.
15911 Handle printing of OMP_BODY just in one place, goto
15912 dump_omp_body in the rest of OMP_* nodes that have
15914 Don't handle clause nodes here. Update omp statements to
15915 use dump_omp_clauses.
15916 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15917 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15918 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15919 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15920 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15921 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15922 Adjust output for GOMP_PARALLEL.
15923 (dump_omp_clauses): New.
15924 (print_declaration): Dump DECL_VALUE_EXPR.
15925 (op_symbol_1): Split out of op_symbol.
15926 (dumping_stmts): Remove. Update all users.
15927 * cgraph.c (cgraph_analyze_queue): New.
15928 (cgraph_add_new_function): New.
15929 * cgraph.h (cgraph_analyze_queue): Declare.
15930 (cgraph_add_new_function): Declare.
15931 (cgraph_lower_function): Remove.
15932 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15933 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15934 and TYPE_P nodes in its default clause.
15935 (empty_body_p): New.
15936 (tree_range_check_failed): New.
15937 (build5_stat): New.
15938 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15939 OMP_CLAUSE_REDUCTION_MERGE,
15940 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15941 OMP_CLAUSE_PRIVATE_DEBUG,
15942 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15943 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15944 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15945 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15946 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15947 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15948 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15949 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15950 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15951 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15952 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15953 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15954 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15955 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15956 (TREE_RANGE_CHECK): New.
15957 (empty_body_p): Declare.
15958 (enum omp_clause_default_kind): New.
15959 (build_string_literal): Declare.
15960 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15961 (build5_stat, build5): Declare.
15962 * tree-pass.h (TDF_CHAIN): Define.
15963 * tree-pass.h (PROP_gimple_lomp): Define.
15964 (pass_lower_omp): Declare.
15965 * diagnostic.h (debug_tree_chain): Declare.
15966 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15968 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15969 * builtins.c (build_string_literal): Make extern.
15970 * gcc.c (include_spec_function): New.
15971 (static_spec_functions): Add it.
15972 (main): Move load of libgomp.spec ...
15973 (LINK_COMMAND_SPEC): ... here.
15974 (link_gomp_spec): New.
15975 (static_specs): Include it.
15976 (LINK_COMMAND_SPEC): Add link_gomp.
15977 (GOMP_SELF_SPECS): New.
15978 (driver_self_specs): Include it.
15979 (switch_matches): Don't mark inline.
15980 (main): Load libgomp.spec.
15981 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15982 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15983 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15984 * tree-gimple.h (enum omp_parallel): Declare.
15985 (determine_parallel_type): Declare.
15986 (omp_firstprivatize_variable): Declare.
15987 (omp_reduction_init): Declare.
15988 (diagnose_omp_structured_block_errors): Declare.
15989 (struct walk_stmt_info): Add want_return_expr.
15990 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15991 (find_omp_clause): Declare.
15992 (insert_field_into_struct): Declare.
15993 (struct walk_stmt_info): Move from tree-nested.c
15994 (walk_stmts): Declare.
15995 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15997 * cgraphunit.c (cgraph_lower_function): Make static.
15998 (cgraph_finalize_pending_functions): New.
15999 (cgraph_finalize_function): Call it.
16000 (cgraph_finalize_compilation_unit): Likewise.
16001 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16002 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16003 (BT_FN_UINT_UINT): New.
16004 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16005 DEF_FUNCTION_TYPE_VAR_4): Document.
16006 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16007 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16008 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16009 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16010 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16011 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16012 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16013 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16014 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16015 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16016 into separate files.
16017 (DEF_GOMP_BUILTIN): New.
16018 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16019 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16020 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16021 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16022 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16023 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16024 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16025 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16026 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16027 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16028 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16029 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16030 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16031 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16032 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16033 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16034 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16035 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16036 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16037 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16038 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16039 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16040 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16041 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16042 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16043 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16044 * sync-builtins.def: New file, moved from builtins.def.
16045 * omp-builtins.def: New file, moved from builtins.def.
16046 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16047 * gimple-low.c (lower_function_body): Clear data.
16048 (lower_stmt): Do not handle COMPOUND_EXPR.
16049 Remove call to print_node_brief.
16050 * c-tree.h (c_finish_omp_clauses): New prototype.
16051 (C_DECL_THREADPRIVATE_P): Define.
16052 (lookup_name_no_remap, c_omp_remap_private): Remove
16053 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16054 (check_for_loop_decls): Update decl.
16055 (lookup_name_no_remap, c_omp_remap_private): Declare.
16056 (build_indirect_ref, build_modify_expr, pushdecl,
16057 pushdecl_top_level): Move to c-common.h.
16058 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16059 before the switch, but just in the 2 places that need it.
16060 * c-decl.c (diagnose_mismatched_decls): Do not check for
16061 mismatched thread-local attributes when OLDDECL is marked
16062 threadprivate and NEWDECL has no thread-local attributes.
16063 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16064 (c_gimple_diagnostics_recursively): Rename from
16065 c_warn_unused_result_recursively. Invoke
16066 diagnose_omp_structured_block_errors.
16067 (check_for_loop_decls): Return a singular decl found.
16068 * langhooks.c (lhd_omp_predetermined_sharing): Return
16069 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16070 (lhd_omp_firstprivatize_type_sizes): New.
16071 (lhd_omp_assignment): New.
16072 (lhd_omp_predetermined_sharing): New.
16073 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16074 (struct lang_hooks_for_types): Add
16075 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16076 omp_predetermined_sharing, omp_disregard_value_expr,
16077 omp_private_debug_clause, omp_clause_default_ctor,
16078 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16079 (c_finish_omp_clauses): New.
16080 (c_finish_bc_stmt): Diagnose break within omp for.
16081 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16082 (build_unary_op): Return error_mark after reporting
16084 (build_modify_expr): Likewise.
16085 * gimplify.c: Include optabs.h and pointer-set.h.
16086 (enum gimplify_omp_var_data): Declare.
16087 (struct gimplify_omp_ctx): Declare.
16088 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16090 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16091 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16092 (splay_tree_compare_decl_uid): New.
16093 (new_omp_context): New.
16094 (delete_omp_context): New.
16095 (gimple_add_tmp_var): Call omp_add_variable.
16096 (gimplify_bind_expr): Likewise.
16097 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16098 true, disregard DECL_VALUE_EXPR on the decl if any.
16099 (gimplify_expr_in_ctx): New.
16100 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16101 omp_add_variable, omp_notice_variable, omp_is_private
16102 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16103 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16104 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16105 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16106 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16107 gimplify_omp_atomic): New.
16108 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16109 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16110 OMP_CRITICAL and OMP_ATOMIC.
16111 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16112 * c-pragma.h (enum pragma_kind): Add
16113 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16114 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16115 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16116 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16117 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16118 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16119 PRAGMA_OMP_THREADPRIVATE.
16120 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16121 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16122 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16123 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16124 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16125 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16126 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16127 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16128 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16129 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16130 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16131 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16132 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16134 (struct nesting_info): Add field_map,
16135 suppress_expansion, debug_var_chain.
16136 (create_nesting_tree): Initialize them.
16137 (lookup_field_for_decl): Use field_map.
16138 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16139 (convert_local_omp_clauses): New.
16140 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16141 (walk_body): Split out of walk_function.
16142 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16143 (convert_nonlocal_reference): Handle omp statements.
16144 (convert_local_reference): Likewise.
16145 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16146 (unnest_nesting_tree): New.
16147 (lower_nested_functions): Call it.
16148 (insert_field_into_struct): Make extern.
16149 (struct walk_stmt_info): Move to tree-gimple.h.
16150 (walk_stmts): Make extern.
16151 * omp-builtins.def: New file.
16152 * tree-iterator.c (expr_only): Clarify comment.
16153 * c-common.h (pushdecl_top_level, pushdecl,
16154 build_modify_expr, build_indirect_ref,
16155 c_finish_omp_master, c_finish_omp_critical,
16156 c_finish_omp_ordered, c_finish_omp_barrier,
16157 c_finish_omp_atomic, c_finish_omp_flush,
16158 c_finish_omp_for, c_split_parallel_clauses,
16159 omp_clause_default_kind, c_omp_sharing_predetermined,
16160 c_omp_remap_decl): Declare.
16161 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16162 (OBJS-common): Add omp-low.o.
16163 (c-omp.o, omp-low.o): Add.
16164 (gimplify.o): Add dependency on $(OPTABS_H).
16165 (GTFILES): Add omp-low.c.
16166 (gt-stringpool.h): Add.
16167 * tree-cfg.c (set_bb_for_stmt): Do not update the
16168 block-to-labels map if we are currently expanding to RTL.
16169 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16171 Handle IDENTIFIER_NODE.
16172 (tree_verify_flow_info): Do not ICE when emitting error
16173 messages about invalid labels.
16174 (dump_function_to_file): Reset CFUN before emitting the body
16176 (debug_function): New.
16177 * passes.c (init_optimization_passes): Schedule
16179 * langhooks-def.h (lhd_omp_predetermined_sharing,
16180 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16182 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16183 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16184 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16185 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16186 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16187 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16188 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16189 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16190 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16191 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16192 (LANG_HOOK_DECLS): Use them.
16194 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16195 Richard Henderson <rth@redhat.com>
16196 Jakub Jelinek <jakub@redhat.com>
16197 Diego Novillo <dnovillo@redhat.com>
16199 * c-parser.c (pragma_omp_clause): Define.
16200 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16201 (c_parser_compound_statement): Likewise.
16202 (c_parser_statement): Likewise.
16203 (c_parser_pragma): Handle omp pragmas.
16204 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16205 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16206 (c_parser_omp_clause_name, check_no_duplicate_clause,
16207 c_parser_omp_variable_list,
16208 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16209 c_parser_omp_clause_copyprivate,
16210 c_parser_omp_clause_default,
16211 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16212 c_parser_omp_clause_lastprivate,
16213 c_parser_omp_clause_nowait,
16214 c_parser_omp_clause_num_threads,
16215 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16216 c_parser_omp_clause_reduction,
16217 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16218 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16219 c_parser_omp_atomic, c_parser_omp_barrier,
16220 c_parser_omp_critical, c_parser_omp_flush,
16221 c_parser_omp_for_loop, c_parser_omp_for,
16222 c_parser_omp_master, c_parser_omp_ordered,
16223 c_parser_omp_sections_scope, c_parser_omp_sections,
16224 c_parser_omp_parallel, c_parser_omp_single,
16225 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16226 * c-pragma.c (init_pragma): Do omp pragma registration here.
16227 * c.opt (fopenmp): New flag.
16229 2006-01-18 Eric Christopher <echristo@apple.com>
16231 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16232 * config/darwin.h (GOMP_SELF_SPECS): Define.
16234 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16236 * rtl.h: Remove the prototype for reg_alloc.
16238 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16241 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16242 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16243 sjlj and dwarf2 exception handling.
16244 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16245 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16246 * pa/pa.c (function_value): Treat complex and vector types as
16248 (function_arg): Likewise. Only pass scalar floats in the floating
16249 point argument registers.
16250 * pa/t-slibgcc-dwarf-ver: New file.
16251 * pa/t-slibgcc-sjlj-ver: New file.
16252 * pa/t-slibgcc-elf-ver: Delete file.
16254 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16256 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16257 unlikely_test_section_p test.
16259 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16261 * mode-switching.c (optimize_mode_switching): Make it static.
16262 * basic-block.h: Remove the prototype for
16263 optimize_mode_switching.
16265 * modulo-sched.c (sms_schedule): Make it static.
16266 * rtl.h: Remove the prototype for sms_schedule.
16268 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16269 * rtl.h: Remove the prototype for gcse_after_reload_main.
16271 * reg-stack.c (reg_to_stack): Make it static.
16272 * rtl.h: Remove the prototype for reg_to_stack.
16274 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16276 * rtl.h: Remove the prototypes for regrename_optimize and
16277 copyprop_hardreg_forward.
16279 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16281 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16282 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16283 Test against the appropriate null constant for the mode.
16284 If 'fixup_overlap' is true, swap the operands if they overlap.
16285 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16286 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16287 alpha_split_tmode_pair and adjust for above change.
16288 * config/alpha/alpha.md (movtf_internal): Adjust call to
16289 alpha_split_tfmode_pair and rely on it to swap the operands.
16290 (movti_internal): New insn and post-reload splitter.
16291 (movti): New expander.
16293 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16295 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16298 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16300 * rtlanal.c (global_reg_mentioned_p_1,
16301 global_reg_mentioned_p): Remove.
16302 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16304 * flow.c (initialize_uninitialized_subregs): Make it static.
16305 * rtl.h: Remove the prototype for
16306 initialize_uninitialized_subregs.
16308 * function.c (instantiate_virtual_regs): Make it static.
16309 * function.h: Remove the prototype for
16310 instantiate_virtual_regs.
16312 * regmove.c (regmove_optimize, combine_stack_adjustments):
16314 * rtl.h: Remove the prototypes for regmove_optimize and
16315 combine_stack_adjustments.
16317 2006-01-17 Roger Sayle <roger@eyesopen.com>
16319 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16320 (size_cost): Encode costs in bytes so that a reg-reg addition is
16321 equivalent to COSTS_N_INSNS(1).
16322 (override_options): Use the size_cost.branch_cost as the default
16323 ix86_branch_cost when optimizing for size.
16325 2006-01-18 Ben Elliston <bje@au.ibm.com>
16327 * Makefile.in (D32PBIT_FUNCS): New.
16328 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16329 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16330 D64PBIT_FUNCS and D128PBIT_FUNCS.
16331 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16332 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16334 (decnumber_dep): Define.
16335 * doc/libgcc.texi (Decimal float library routines): New node.
16336 * config/dfp-bit.h, config/dfp-bit.c: New files.
16338 2006-01-18 Ben Elliston <bje@au.ibm.com>
16340 * expr.c (emit_move_change_mode): Always adjust addresses, not
16341 just during reload. Copy replacements only during reload.
16342 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16343 emit_move_via_integer.
16345 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16347 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16348 instead of $(srcdir) and ${srcdir}.
16350 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16353 PR middle-end/11135
16354 * arm.h (struct machine_function): Add pic_reg.
16355 * arm.c (arm_pic_register): Make unsigned.
16356 (arm_override_options): Only set arm_pic_register if
16357 TARGET_SINGLE_PIC_BASE.
16358 (use_return_insn): Only test for a pic register if it is fixed.
16359 (arm_compute_save_reg0_reg12_mask): Likewise.
16360 (thumb_compute_save_reg_mask): Likewise.
16361 (legitimate_pic_operand): Factor out some known invariants.
16362 (legitimize_pic_address): If we don't have a fixed pic register,
16363 then set up a pseudo in the function entry sequence. Handle the
16364 pic base being in a pseudo.
16365 (arm_load_pic_register): Handle the pic register being in a pseudo.
16366 (arm_expand_prologue): Only set up the pic register if it is fixed.
16367 (thumb_expand_prologue): Likewise.
16368 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16369 (pic_load_addr_based_insn): Likewise.
16370 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16373 2006-01-18 Ben Elliston <bje@au.ibm.com>
16375 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16376 decimal float modes for all floating point registers.
16378 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16379 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16381 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16384 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16385 even when the pointer is not NULL.
16387 2006-01-16 Ian Lance Taylor <ian@airs.com>
16389 * common.opt (ftoplevel-reorder): New option.
16390 * cgraph.c (cgraph_asm_nodes): New global variable.
16391 (cgraph_asm_last_node): New static variable.
16392 (cgraph_order): New global variable.
16393 (cgraph_create_node): Set new order field.
16394 (cgraph_varpool_node): Likewise.
16395 (decide_is_variable_needed): Return true if not
16396 flag_toplevel_reorder.
16397 (cgraph_add_asm_node): New function.
16398 * cgraph.h (struct cgraph_node): Add order field.
16399 (struct cgraph_varpool_node): Add order field.
16400 (struct cgraph_asm_node): Define.
16401 (cgraph_asm_nodes, cgraph_order): Declare.
16402 (cgraph_add_asm_node): Declare.
16403 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16405 (cgraph_varpool_assemble_pending_decls): Call it.
16406 (cgraph_output_pending_asms): New static function.
16407 (cgraph_finalize_compilation_unit): Call it.
16408 (struct cgraph_order_sort): Define.
16409 (cgraph_output_in_order): New static function.
16410 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16411 !flag_toplevel_reorder case.
16412 * c-parser.c: Include "cgraph.h".
16413 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16415 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16416 than -fno-unit-at-a-time.
16417 * doc/invoke.texi (Option Summary): Mention
16418 -fno-toplevel-reorder.
16419 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16420 -funit-at-a-time documentation.
16422 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16423 Kazu Hirata <kazu@codesourcery.com>
16425 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16427 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16429 * Makefile.in (FUNCTION_H): New. Use it instead of
16430 function.h throughout the file.
16431 * function.h: Include tree.h.
16433 2006-01-17 Ben Elliston <bje@au.ibm.com>
16435 * recog.c: Separate some functions with whitespace.
16437 2006-01-16 Richard Henderson <rth@redhat.com>
16439 Merge from gomp branch:
16440 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16441 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16442 and rename from struct inline_data. Rename callee* to dst*;
16443 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16444 transform_new_cfg, transform_return_to_modify, and
16445 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16447 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16448 (copy_decl_for_dup): Remove.
16449 * tree-inline.c (struct inline_data): Move to header.
16450 (insert_decl_map): Export.
16451 (remap_decl): Update for member name changes. Use copy_decl hook.
16452 Allow for replacement to be a non-decl. Remove dead code.
16453 (remap_type_1): Check for existing mapping.
16454 (remap_type): Export.
16455 (remap_decls): Update for member name changes.
16456 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16457 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16458 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16459 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16460 (tree_function_versioning, build_duplicate_type): Likewise.
16461 (copy_body_r): Likewise. Export.
16462 (copy_decl_for_dup): Split into ...
16463 (copy_decl_for_dup_finish, copy_decl_to_var,
16464 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16465 (replace_ref_tree, inlining_p): Remove.
16467 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16469 * ifcvt.c (if_convert): Make it static.
16470 * rtl.h: Remove the prototype for if_convert.
16472 * local-alloc.c (local_alloc): Make it static.
16473 * rtl.h: Remove the prototype for local_alloc.
16475 * loop.c (loop_optimize): Make it static.
16476 * cfgloop.h: Remove the prototype for loop_optimize.
16479 2006-01-16 DJ Delorie <dj@redhat.com>
16481 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16484 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16486 * pa.md: Disparage copies between general and floating-point registers
16487 in 32-bit move patterns.
16489 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16492 * Makefile.in (check-%): Depend on site.exp instead of
16493 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16496 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16498 * global.c (global_alloc): Make it static.
16499 * rtl.h: Remove the prototype for global_alloc.
16501 2006-01-16 Richard Guenther <rguenther@suse.de>
16503 * tree-ssa-alias.c (struct used_part): Add write_only field.
16504 (get_or_create_used_part_for): Initialize it to true.
16505 (create_overlap_variables_for): Don't create structure variables
16506 for structures that only are written to.
16507 (find_used_portions): Handle MODIFY_EXPR to track whether a
16508 structure is only written to.
16510 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16512 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16514 * basic-block.h: Remove the prototype for
16515 partition_hot_cold_basic_blocks.
16517 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16519 * cppspec.c (lang_specific_spec_functions): Remove.
16520 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16521 * gcc.h (lang_specific_spec_functions): Remove.
16522 * gccspec.c (lang_specific_spec_functions): Remove.
16524 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16526 * combine.c (record_value_for_reg): Invalidate registers
16528 (record_dead_and_set_regs_1): Likewise, by passing them to
16529 record_value_for_reg.
16530 (record_dead_and_set_regs): Invalidate stores made by a
16531 call. We do not combine across a call, but we still
16532 relied on equivalences.
16534 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16536 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16537 vrp_int_const_binop returning non-constant nodes.
16539 2006-01-16 Paul Brook <paul@codesourcery.com>
16541 * config/m68k/m68k.c (output_move_const_into_data_reg):
16542 Output correct mnemonic for mvz and mvs.
16544 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16546 * rtl-factoring.c: Add sequence abstraction algorithm.
16547 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16548 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16550 (block_has_preserve_label): New function.
16551 * common.opt: Register new pass.
16552 * Makefile.in: Ditto.
16554 * timevar.def: Ditto.
16555 * tree-pass.h: Ditto.
16556 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16557 * rtl.h (make_jump_insn_raw): Add forward decl.
16558 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16560 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16561 Roger Sayle <roger@eyesopen.com>
16563 * fold-const.c (fold_minmax): New static function.
16564 (fold_binary) <MIN_EXPR>: Call it.
16565 <MAX_EXPR>: Likewise.
16566 * stor-layout.c (place_field): Use DECL_SIZE consistently
16567 in the computation of the new record size.
16569 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16571 * cse.c (cse_condition_code_reg): Make it static.
16572 * rtl.h: Remove the prototype for cse_condition_code_reg.
16574 * combine.c (combine_instructions): Make it static.
16575 * rtl.h: Remove the prototype for combine_instructions.
16577 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16580 * tree.c (get_file_function_name_long): Concatenate the first global
16581 object name with a string derived from the input filename of the object
16584 2006-01-16 Ben Elliston <bje@au.ibm.com>
16586 * config/i386/winnt-stubs.c: Update FSF address.
16587 * config/xtensa/ieee754-df.S: Ditto.
16588 * config/xtensa/ieee754-sf.S: Ditto.
16590 2006-01-14 Ian Lance Taylor <ian@airs.com>
16592 * ifcvt.c (noce_init_if_info): New static function, broken out of
16593 noce_process_if_block.
16594 (noce_process_if_block): Call noce_init_if_info.
16595 (check_cond_move_block): New static function.
16596 (cond_move_process_if_block): New static function.
16597 (process_if_block): Call cond_move_process_if_block.
16599 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16601 * cselib.c (hash_table): Rename to cselib_hash_table.
16602 (cselib_clear_table, discard_useless_values,
16603 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16604 cselib_init, cselib_finish): Adjust uses of hash_table.
16606 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16608 PR tree-optimization/25485
16609 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16610 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16611 is known to be false and true, respectively.
16613 2006-01-14 Richard Guenther <rguenther@suse.de>
16615 PR tree-optimization/22548
16616 PR tree-optimization/22555
16617 PR tree-optimization/22501
16618 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16619 * params.def (salias-max-array-elements): New parameter.
16620 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16621 * doc/invoke.texi (salias-max-array-elements): Document.
16622 * tree-flow-inline.h (var_can_have_subvars): We also handle
16624 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16626 * tree-ssa-structalias.c (params.h): Include.
16627 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16628 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16629 (get_constraint_for): For ADDR_EXPR operating on something
16630 containing an ARRAY_REF, add all subvars to the solution.
16631 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16632 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16633 for creating MUST_DEFs.
16634 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16636 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16638 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16640 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16641 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16642 number_of_iterations_le): New functions.
16643 (number_of_iterations_special): Removed.
16644 (number_of_iterations_exit): Do not use number_of_iterations_special.
16645 * tree.c (unsigned_type_for): Always return integer type.
16647 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16648 Richard Guenther <rguenther@suse.de>
16650 PR rtl-optimization/24257
16651 * gcse.c (find_moveable_store): Only consider a store movable
16652 when the SET_SRC of the insn can be assigned to a register.
16654 2006-01-14 Ian Lance Taylor <ian@airs.com>
16656 * tree.c (tree_not_class_check_failed): New function.
16657 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16658 (tree_not_class_check_failed): Declare.
16660 2006-01-13 Ian Lance Taylor <ian@airs.com>
16662 * reload1.c (do_output_reload): Add assertion rejecting a
16665 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16667 * combine.c (struct reg_stat): Add new fields truncation_label and
16669 (record_value_for_reg): Reset truncated_to_mode.
16670 (record_truncated_value): New function.
16671 (check_promoted_subreg): Call it. Rename to check_conversions.
16672 (combine_instructions): Rename check_promoted_subreg to
16674 (reg_truncated_to_mode): New function.
16675 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16676 (gen_lowpart_or_truncate): New function.
16677 (force_to_mode): Use it instead of gen_lowpart.
16679 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16681 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16682 VAR is a tag, not its type tag.
16684 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16686 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16687 alternatives to match style of other entries.
16688 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16690 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16692 PR tree-optimization/25771
16693 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16696 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16699 * tree-inline.c (declare_return_variable): If the return variable
16700 was marked as a non gimple complex, set the return slot variable
16701 to be a non gimple comple variable.
16703 2006-01-13 Richard Guenther <rguenther@suse.de>
16705 * builtins.c (expand_builtin_sincos): New function.
16706 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16708 (expand_builtin): Expand sincos using expand_builtin_sincos.
16710 2006-01-12 DJ Delorie <dj@redhat.com>
16712 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16713 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16714 so that constant shifts can be split.
16715 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16716 (m32c_valid_pointer_mode): Make static.
16717 (shift_gen_func_for): New.
16718 (m32c_prepare_shift): Use it. Split large const shifts into
16720 * config/m32c/predicates.md (shiftcount_operand): Allow more
16722 (longshiftcount_operand): New.
16723 * doc/md.texi (Machine Constraints): Document In6.
16725 2006-01-13 Ben Elliston <bje@au.ibm.com>
16727 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16728 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16731 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16733 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16734 to try to avoid clobbering pieces of structures when we know
16735 something about the whole structure.
16736 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16738 2006-01-13 Ben Elliston <bje@au.ibm.com>
16740 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16741 return in memory, as this is no limitation is no longer present.
16743 2006-01-12 DJ Delorie <dj@redhat.com>
16745 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16746 mova with fb, and for fb+0 -> An.
16748 * config/m32c/mov.md (peephole2): Fix enabling logic.
16750 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16751 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16752 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16753 FINI_ARRAY_SECTION_ASM_OP): Define.
16755 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16757 (m32c_legitimize_reload_address): New logic to reload FB to An.
16758 (m32c_output_reg_push): Add newline.
16759 (m32c_output_reg_pop): Likewise.
16761 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16763 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16765 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16767 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16769 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16771 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16774 2006-01-11 Ben Elliston <bje@au.ibm.com>
16776 * rtlanal.c (find_reg_note): Assert insn is not null.
16778 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16780 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16783 2006-01-11 Jeff Law <law@redhat.com>
16785 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16787 (mark_threaded_blocks, register_jump_thread): New functions.
16788 (thread_through_all_blocks): Remove unwanted argument. No
16789 longer rely on e->aux to communicate thread target info.
16790 Call mark_threaded_blocks. Release the threaded_blocks
16791 bitmap and threaded_edges vector when complete.
16792 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16793 (threaded_blocks): Remove.
16794 (tree_ssa_dominator_optimize): Remove initialization and
16795 finalization of threaded_blocks. Simplify call to
16796 thread_through_all_blocks.
16797 (thread_across_edge): Call register_jump_thread rather than
16798 storing thread information into e->aux.
16799 (free_all_edge_infos): Simplify now that e->aux is no longer
16800 used to communicate with thread_through_all_blocks.
16801 * tree-flow.h (thread_through_all_blocks): Update prototype.
16802 (register_jump_thread): Prototype.
16804 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16806 * df-core.c (df_compact_blocks, df_bb_replace): Use
16807 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16809 2006-01-11 Richard Guenther <rguenther@suse.de>
16811 PR tree-optimization/25734
16812 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16813 stop propagation after successful propagation to the LHS.
16815 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16817 * basic-block.h (control_flow_graph): Change the type of
16818 x_basic_block_info to VEC(basic_block,gc) *.
16819 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16821 (SET_BASIC_BLOCK): New.
16822 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16823 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16824 * cfgbuild.c (find_basic_blocks): Likewise.
16825 * cfglayout.c (fixup_reorder_chain): Likewise.
16826 * cfgrtl.c (create_basic_block_structure,
16827 rtl_create_basic_block): Likewise.
16828 * ifcvt.c (find_if_case_1): Likewise.
16829 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16832 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16834 * Makefile.in: Removed rotted odf.c entry.
16836 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16839 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16840 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16841 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16842 output pattern modifier, not %e.
16843 * config/cris/cris.c (cris_op_str): Update comment about pattern
16845 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16846 before falling through into...
16847 <case 'E'>: Redefined from old 'e' case.
16849 2006-01-11 Jan Hubicka <jh@suse.cz>
16852 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16854 2006-01-11 Jan Hubicka <jh@suse.cz>
16856 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16857 * i386.c (x86_decompose_lea): Kill.
16858 (ix86_rtx_costs): Kill.
16860 2006-01-11 Jan Hubicka <jh@suse.cz>
16862 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16863 * cgraph.h (cgraph_node): Add inline_decl.
16864 (cgraph_insert_node_to_hashtable): Declare.
16865 (save_inline_function_body): Declare.
16866 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16868 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16869 (cgraph_function_versioning): Update call of tree_function_versioning.
16870 (save_inline_function_body): New function.
16871 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16872 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16873 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16874 (cgraph_default_inline_p): Likewise.
16875 (cgraph_decide_inlining_incrementally): Likewise.
16876 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16877 (copy_bb): Kill saving; do updating of clones.
16878 (copy_cfg_body): Kill saving.
16879 (initialize_inlined-parameters): Likewise.
16880 (expand_call_inline): Likewise.
16882 (tree_function_versioning): New parameter "update_clones".
16883 (inlining_p): Kill saving.
16884 * tree-inline.h (tree_function_versioning): Update prototype.
16885 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16888 2006-01-11 Ian Lance Taylor <ian@airs.com>
16890 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16891 Allow undoing set of machine mode.
16892 (do_SUBST): Use enums instead of is_int.
16893 (do_SUBST_MODE): New function.
16894 (SUBST_MODE): New macro.
16895 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16896 reg and trying to replace reg_regno_rtx with a new register.
16897 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16898 (simplify_set): Use SUBST_MODE.
16899 (distribute_notes): Remove code that tried to update reg notes
16900 for regno_reg_rtx changes.
16902 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16904 PR tree-optimization/23109
16905 PR tree-optimization/23948
16906 PR tree-optimization/24123
16908 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16909 * tree-cfg.c (single_noncomplex_succ): New.
16910 * tree-flow.h (single_noncomplex_succ): Declare it.
16911 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16912 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16913 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16914 insert_bb, register_division_in, insert_reciprocals,
16915 replace_reciprocal, free_bb): New.
16916 (execute_cse_reciprocals_1): Rewritten.
16917 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16918 Do not commit any edge insertion. Always compute dominators and
16919 create the allocation pool.
16920 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16921 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16922 * targhooks.c (default_min_divistions_for_recip_mul): New.
16923 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16924 * passes.c (init_optimization_passes): Run recip after tree loop
16926 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16928 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16929 Kenneth Zadeck <zadeck@naturalbridge.com>
16931 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16932 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16933 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16934 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16935 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16936 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16937 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16938 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16939 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16940 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16941 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16942 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16943 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16944 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16945 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16946 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16947 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16948 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16949 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16950 DF_SCAN_POST_ALLOC): New macros.
16951 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16952 df_free_bb_function, df_local_compute_function, df_init_function,
16953 df_dataflow_function, df_confluence_function_0,
16954 df_confluence_function_n, df_transfer_function,
16955 df_finalizer_function, df_free_function, df_dump_problem_function,
16956 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16957 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16958 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16959 df_urec_bb_info, ) New types.
16960 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16962 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16963 df_analyze_simple_change_some_blocks,
16964 df_analyze_simple_change_one_block, df_compact_blocks,
16965 df_bb_replace, df_bb_regno_last_use_find,
16966 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16967 df_insn_regno_def_p, df_find_def, df_find_use,
16968 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16969 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16970 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16971 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16972 debug_df_chain, df_get_dependent_problem, df_chain_create,
16973 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16974 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16975 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16976 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16977 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16978 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16979 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16980 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16981 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16982 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16983 df_reorganize_refs, df_set_state, df_hard_reg_init,
16984 df_read_modify_subreg_p) New public functions.
16985 * df-core.c: The core dataflow solver and glue routines for rtl
16987 (df_init, df_add_problem, df_set_blocks, df_finish,
16988 df_hybrid_search_forward, df_hybrid_search_backward,
16989 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16990 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16991 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16992 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16993 df_reg_defined, df_find_use, df_reg_used, df_dump,
16994 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16995 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16996 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16997 debug_df_useno, reset_df_after_reload): New functions.
16998 * df-scan.c: The scanning fuctions, once in df.c, completely
16999 rewritten so that they now fully model the functionality of
17000 register usage at the backend.
17001 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17002 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17003 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17004 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17005 df_get_artificial_defs, df_get_artificial_uses,
17006 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17007 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17008 df_refs_delete, df_reorganize_refs, df_set_state,
17009 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17010 df_def_record_1, df_defs_record, df_uses_record,
17011 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17012 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17013 df_record_exit_block_uses, df_hard_reg_init): New functions.
17015 * df-problems.c: Seven concrete dataflow problems that use the
17016 scanning in df-scan.c and are solved by the engine in df-core.c.
17017 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17018 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17019 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17020 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17021 df_ru_free_bb_info, df_ru_alloc,
17022 df_ru_bb_local_compute_process_def,
17023 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17024 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17025 df_ru_transfer_function, df_ru_free, df_ru_dump,
17026 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17027 df_rd_free_bb_info, df_rd_alloc,
17028 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17029 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17030 df_rd_transfer_function, df_rd_free, df_rd_dump,
17031 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17032 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17033 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17034 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17035 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17036 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17037 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17038 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17039 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17040 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17041 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17042 df_urec_mark_reg_use_for_earlyclobber,
17043 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17044 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17045 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17046 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17047 df_chain_create_bb_process_use, df_chain_create_bb,
17048 df_chain_finalize, df_chain_free, df_chains_dump,
17049 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17050 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17051 df_reg_lifetime): New functions.
17052 * df.c: Deleted file.
17053 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17054 consistent with new df api.
17055 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17056 rest_of_handle_sms): Ditto.
17057 * web.c (unionfind_union, union_defs, entry_register, web_main):
17059 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17060 invariant_expr_equal_p, find_defs, check_dependencies,
17061 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17062 free_inv_motion_data, move_loop_invariants): Ditto.
17063 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17064 Update dependencies.
17065 (odf.c): Added defective entry that was deleted later in day.
17066 * sched-deps.c (sched_analyze_1): Ditto.
17068 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17070 * tree-ssa-operands.c (get_expr_operands): Record addressable
17071 variables directly. Do not call add_stmt_operands for CONST_DECLs
17073 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17074 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17076 2006-01-11 Ben Elliston <bje@au.ibm.com>
17078 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17079 function returns true in the positive case.
17081 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17084 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17085 for SI, DI, SF and DF modes. Add alternatives to copy between
17086 general and floating point registers to the 32-bit patterns.
17087 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17088 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17089 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17090 generating 64-bit code.
17091 * config/pa/pa.c (output_move_double): Handle copies between general
17092 and floating registers.
17094 2006-01-10 Stuart Hastings <stuart@apple.com>
17096 * config/i386/i386.md (set_got): Update.
17097 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17098 (builtin_setjmp_receiver): Mach-O support.
17099 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17100 (GOT_SYMBOL_NAME): Define.
17101 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17102 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17103 * config/i386/i386.c (override_options): Revise for Darwin.
17104 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17105 support. (darwin_x86_file_end): New. (output_set_got): Add label
17106 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17107 * config/i386/i386-protos.h (output_set_got): Likewise.
17108 * config/darwin.c (machopic_legitimize_pic_address): Update
17111 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17113 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17114 when MODE isn't BLKmode.
17116 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17118 PR rtl-optimization/25367
17119 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17121 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17124 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17125 for a negative bound.
17127 2006-01-10 Richard Guenther <rguenther@suse.de>
17129 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17130 Never override with anything constraint.
17132 2006-01-10 Jan Beulich <jbeulich@novell.com>
17134 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17135 256 bits when optimize_size.
17137 2006-01-10 Jan Beulich <jbeulich@novell.com>
17139 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17141 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17142 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17145 2006-01-10 Ben Elliston <bje@au.ibm.com>
17147 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17149 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17150 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17151 (USE_FP_FOR_ARG): Reject decimal float modes.
17152 (function_arg_advance): Likewise.
17153 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17154 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17155 point types in AltiVec vectors.
17156 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17157 (rs6000_libcall_value): Likewise.
17159 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17161 * config/xtensa/ieee754-df.S: New file.
17162 * config/xtensa/ieee754-sf.S: New file.
17163 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17164 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17165 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17167 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17169 * config/sh/predicates.md (binary_float_operator,
17170 binary_logical_operator, commutative_float_operator,
17171 equality_comparison_operator, greater_comparison_operator,
17172 less_comparison_operator, logical_operator,
17173 noncommutative_float_operator, shift_operator,
17174 symbol_ref_operand, unary_float_operator): Remove redundant
17177 2006-01-09 Jeff Law <law@redhat.com>
17179 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17180 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17181 now unused arguments. Callers updated.
17182 (eliminate_redundant_computations): Remove now unused arguments,
17184 (local_fold): Remove, no longer used.
17185 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17187 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17188 (simplify_cond): New function.
17189 (forward_propagate_into_cond): Call simplify_cond.
17191 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17193 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17194 (*vec_extractv2di_1_sse): New.
17196 2006-01-09 Ben Elliston <bje@au.ibm.com>
17198 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17200 2006-01-08 Richard Guenther <rguenther@suse.de>
17202 * tree-ssa-structalias.c (get_constraint_for): Remove
17203 anyoffset argument.
17204 (get_constraint_for_component_ref): Likewise.
17205 (do_deref): Likewise.
17206 (get_constraint_for): Likewise.
17207 (do_structure_copy): Likewise.
17208 (handle_ptr_arith): Likewise.
17209 (find_func_aliases): Likewise. Remove unused need_anyoffset
17212 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17213 Kaz Kojima <kkojima@gcc.gnu.org>
17215 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17216 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17217 (EXTRA_CONSTRAINT_C16): Remove.
17218 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17219 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17220 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17221 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17222 constants of SHmedia. Handle nested constant expressions of
17224 (andcosts): Fix the costs for SHmedia constants.
17225 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17226 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17227 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17228 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17229 (movv4hi_i, movv2si_i): Likewise.
17230 (movsi_const): Adjust the second operand of ior so to match with
17231 the Csu constraint.
17232 (movdi_const, movdi_const_32bit): Likewise.
17233 (movdi_const_16bit+1): Don't sign-extend LOW.
17234 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17236 (*double_shori): Fix the split condition. Use GEN_INT instead
17237 of get_int_mode calls. Mask lower 16-bit of the argument of
17239 (sym2GOTPLT): Remove.
17240 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17242 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17243 instead of EXTRA_CONSTRAINT_C16.
17245 2006-01-07 Ian Lance Taylor <ian@airs.com>
17246 David Edelsohn <edelsohn@gnu.org>
17248 PR rtl-optimization/25662
17249 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17250 for constant operands instead of simplify_gen_binary.
17251 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17252 after trying simplify_binary_operation
17254 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17256 * tree.c (iterative_hash_expr): Hash decls based on UID.
17258 2006-01-06 Eric Christopher <echristo@apple.com>
17260 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17261 (TARGET_UNWIND_EMIT): Fix spelling.
17262 * target.h (gcc_target): Add except_table_label.
17263 * except.c (output_function_exception_table): Use.
17264 * varasm.c (default_emit_except_table_label): New.
17265 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17267 (asm_out): Add here.
17268 * output.h (default_emit_except_table_label): Prototype.
17269 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17270 * config/darwin.c (darwin_emit_except_table_label): Define.
17271 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17273 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17275 PR tree-optimization/18527
17276 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17277 number_of_iterations_special, number_of_iterations_exit):
17278 Move base and step of an iv to a single structure. Add
17279 no_overflow flag, and use it in # of iterations analysis.
17280 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17281 folded_casts argument.
17282 (simple_iv): Pass base and step in a structure. Set no_overflow
17284 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17285 Evaluate expensiveness of computing # of iterations instead of
17286 the final expression.
17287 * tree-scalar-evolution.h (affine_iv): New structure.
17288 (simple_iv): Declaration changed.
17289 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17290 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17291 find_givs_in_stmt): Changed due to simple_iv change.
17293 2006-01-06 Jeff Law <law@redhat.com>
17296 * tree-cfg.c (bsi_replace): Rename final argument from
17297 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17298 change (stmt -> orig_stmt).
17299 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17300 (bsi_remove): Add new argument. Remove EH information
17302 (verify_eh_throw_table_statements): New function.
17303 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17305 * tree-optimize.c (execute_free_cfg_annotations): Verify
17306 the EH throw statement table after removing annotations.
17307 * except.h (verify_eh_throw_table_statements): Prototype.
17308 * tree-flow.h (bsi_remove): Update prototype.
17309 * tree-vrp.c (remove_range_assertions): Add new argument to
17311 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17312 * tree-complex.c (expand_complex_div_wide): Likewise.
17313 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17314 * tree-tailcall.c (eliminate_tailcall): Likewise.
17315 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17316 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17317 * tree-nrv.c (tree_nrv): Likewise.
17318 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17319 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17320 (combine_blocks): Likewise.
17321 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17322 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17323 (cleanup_control_flow): Likewise.
17324 (remove_forwarder_block): Likewise.
17325 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17326 * tree-sra.c (sra_replace): Likewise.
17327 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17328 (forward_propagate_single_use_vars): Likewise.
17329 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17330 * tree-inline.c (expand_call_inline): Likewise.
17331 * tree-vect-transform.c (vect_transform_loop): Likewise.
17332 * tree-outof-ssa.c (rewrite_trees): Likewise.
17333 * tree-cfg.c (make_goto_expr_edges): Likewise.
17334 (cleanup_dead_labels): Likewise.
17335 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17336 (bsi_move_before, bsi_move_after): Likewise.
17337 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17338 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17340 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17343 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17345 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17346 on non gimple variables. Also add checks at the top for decls and
17348 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17350 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17351 and IMAGPART_EXPR for creating MUST_DEFs.
17352 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17353 and NAME_MEMORY_TAG separately from the DECLs.
17355 2006-01-06 Richard Guenther <rguenther@suse.de>
17357 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17358 annotation, if necessary.
17359 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17360 redundant calls to update_stmt.
17361 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17364 2006-01-05 Richard Henderson <rth@redhat.com>
17366 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17368 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17370 * c-typeck.c: Update copyright date.
17372 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17374 * c-typeck.c (build_c_cast): Always warn when casting
17375 from a pointer to an integer of different size, even if
17376 the node was constant.
17378 2006-01-05 Richard Guenther <rguenther@suse.de>
17380 PR tree-optimization/22555
17381 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17382 if one structure field is an array.
17383 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17384 operands even if we found a subvar, but ignore VOPs in this
17386 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17388 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17390 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17392 PR middle-end/24998
17393 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17395 2006-01-05 Richard Guenther <rguenther@suse.de>
17396 Diego Novillo <dnovillo@redhat.com>
17398 * tree-pass.h (TODO_remove_unused_locals): Define.
17399 * gimple-low.c (expand_var_p, remove_useless_vars,
17400 pass_remove_useless_vars): Remove. Update all users.
17401 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17402 (remove_unused_locals): New function.
17403 * tree-flow.h (remove_unused_locals): Declare.
17404 * passes.c (execute_todo): Call remove_unused_locals if
17405 TODO_remove_unused_locals is set.
17406 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17407 * tree-ssa-dce.c (pass_dce): Likewise.
17408 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17410 2006-01-05 Richard Guenther <rguenther@suse.de>
17412 * tree-flow.h (struct fieldoff): Decompose field to
17413 type, size and decl.
17414 * tree-ssa-alias.c (create_sft): Take type as parameter.
17415 (create_overlap_variables_for): Store type, size and decl
17416 in the fieldoff structure.
17417 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17418 of struct fieldoff.
17419 (push_fields_onto_fieldstack): Likewise.
17420 (create_variable_info_for): Likewise. Use offset for the
17421 SFT name if the decl is not available.
17423 2006-01-04 Paul Brook <paul@codesourcery.com>
17425 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17427 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17429 * lambda-code.c (can_put_in_inner_loop): Relax
17431 (can_put_after_inner_loop): New function.
17432 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17433 (perfect_nestify): Change to make copies and modify uses.
17435 2006-01-04 Richard Henderson <rth@redhat.com>
17437 Merge from gomp branch:
17438 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17439 via integer constant.
17440 (pragma_lex): Remove.
17441 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17442 rather than parsing it.
17443 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17444 handle_pragma_extern_prefix): Add %< %> quotes.
17445 (registered_pragmas): New.
17446 (c_register_pragma_1): New.
17447 (c_register_pragma): Use it.
17448 (c_register_pragma_with_expansion): Likewise.
17449 (c_invoke_pragma_handler): New.
17450 (init_pragma): Use cpp_register_deferred_pragma directly for
17452 * c-pragma.h (enum pragma_kind): New.
17453 (pragma_handler): New.
17454 (c_invoke_pragma_handler): Declare.
17455 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17457 * c-common.h (c_common_pch_pragma): Update decl.
17458 * Makefile.in (c-parser.o): Update dependencies.
17459 (GTFILES): Add c-pragma.h.
17460 * c-parser.c (struct c_token): Add pragma_kind.
17461 (struct c_parser): Add in_pragma.
17462 (c_lex_one_token): Always initialize keyword and pragma_kind.
17463 Extract data for CPP_PRAGMA.
17464 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17465 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17466 Don't allow CPP_PRAGMA_EOL if in_pragma.
17467 (c_parser_consume_pragma): New.
17468 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17469 (c_parser_skip_to_end_of_parameter): Likewise.
17470 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17471 (c_parser_skip_to_pragma_eol): New.
17472 (c_parser_external_declaration): Handle CPP_PRAGMA.
17473 (c_parser_compound_statement_nostart): Likewise.
17474 (c_parser_statement_after_labels): Likewise.
17475 (c_parser_pragma): New.
17476 (pragma_lex): Likewise.
17477 (c_parser_pragma_pch_preprocess): New.
17478 (c_parser_new): Merge into ...
17479 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17481 2006-01-04 Jeff Law <law@redhat.com>
17484 * tree-cfg.c (bsi_replace): Remove the original statement
17485 from the EH throw statement table.
17487 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17489 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17490 make the prototype extern "C" and add throw ().
17493 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17494 and pos non-negative and pos + len <= 32.
17495 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17496 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17497 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17500 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17501 as well as sizes not multiple of component size.
17504 * function.c (instantiate_expr): New function.
17505 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17506 walk its DECL_VALUE_EXPR with instantiate_expr.
17508 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17509 DW_OP_deref{,_size} if address isn't going to be added.
17511 2006-01-04 Ben Elliston <bje@au.ibm.com>
17513 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17514 * config/fp-bit.c: Likewise.
17516 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17518 * dominance.c: Add comment about why we use DFS numbering
17521 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17522 Richard Henderson <rth@redhat.com>
17524 Merge from gomp-branch:
17525 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17526 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17528 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17530 PR rtl-optimization/25578
17531 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17532 pass a parameter to simplify_shift_const if changing ASHIFTRT
17535 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17537 * builtins.c (get_builtin_sync_mem): New function.
17538 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17539 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17540 Call get_builtin_sync_mem to generate mem rtx.
17542 2006-01-03 Richard Guenther <rguenther@suse.de>
17545 * stmt.c (add_case_node): Make sure to clear overflow flags
17548 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17550 Merge from gomp-branch.
17551 * config/sparc/sync.md: New file.
17552 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17553 UNSPECV_LDSTUB): New constants.
17554 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17555 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17556 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17559 2006-01-03 Roger Sayle <roger@eyesopen.com>
17561 * combine.c (reg_subword_p): New predicate to test whether the
17562 destination of a set refers to a subword/piece of a register.
17563 (try_combine): Generalize the code to merge the setting of a
17564 pseudo to a constant followed by a set of a subword of that
17565 register to a constant.
17567 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17569 * basic-block.h (control_flow_graph): Change the type of
17570 x_label_to_block_map to VEC(basic_block,gc) *.
17571 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17572 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17574 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17575 VEC(basic_block,heap) *.
17576 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17577 ssa_prop_fini): Adjust the uses of cfg_blocks.
17579 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17581 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17583 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17584 hashing trees instead of a pointer hash.
17585 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17586 compare for MEM_EXPR.
17588 PR rtl-optimization/25130
17589 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17590 when comparing MEMs for GCSE
17592 2006-01-03 Ben Elliston <bje@au.ibm.com>
17594 * targhooks.h (default_decimal_float_supported_p): Declare.
17595 * targhooks.c (default_decimal_float_supported_p): Define.
17596 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17597 `default_decimal_float_supported_p'.
17598 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17600 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17602 * combine.c (apply_distributive_law <SUBREG>): Check
17603 TRULY_NOOP_TRUNCATION.
17605 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17607 * dwarf2out.c (have_switched_text_section): Delete.
17608 (have_multiple_function_sections): New.
17609 (have_location_lists): Make 'bool'.
17610 (add_AT_loc_list): Use 'true' not '1'.
17611 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17612 (output_loc_list): Use have_multiple_function_sections.
17613 (output_ranges): Likewise.
17614 (dwarf2out_begin_function): Set have_multiple_function_sections if
17616 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17617 Check function_section rather than DECL_SECTION_NAME.
17618 (dwarf2out_finish): Use have_multiple_function_sections.
17619 Don't clear have_location_lists.
17621 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17622 Jan Hubicka <jh@suse.cz>
17624 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17625 case of conditional jump jumping to the next instruction.
17626 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17627 cases of conditional jump jumping to the next instruction.
17629 2006-01-02 Jan Hubicka <jh@suse.cz>
17631 * i386.c (*_cost): Add COSTS_N_INSNS.
17632 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17634 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17637 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17639 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17641 * config/arm/arm.c (all_fpus): Fix comment typo.
17642 * config/darwin.c: Likewise.
17643 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17644 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17645 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17647 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17649 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17650 (rs6000_split_compare_and_swapqhi): New.
17651 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17652 (sync_compare_and_swapqhi_internal): New.
17653 * config/rs6000/rs6000-protos.h: Declare.