1 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
4 patterns for standard 80387 constants.
7 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
8 Steven Bosscher <steven@gcc.gnu.org>
11 * Makefile.in: Add fwprop.o.
12 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
13 * passes.c (init_optimization_passes): Schedule forward propagation.
14 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
16 * timevar.def (TV_FWPROP): New.
17 * common.opt (-fforward-propagate): New.
18 * opts.c (decode_options): Enable forward propagation at -O2.
19 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
20 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
21 canon_for_address, table_size): Remove.
22 (new_basic_block, insert, remove_from_table): Remove references to
24 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
25 simplification loop more straightforward by not calling fold_rtx
27 (equiv_constant): Move here a small part of fold_rtx_subreg,
28 do not call fold_rtx. Call avoid_constant_pool_reference
30 * recog.h (canonicalize_change_group): New.
32 * doc/invoke.texi (Optimization Options): Document fwprop.
33 * doc/passes.texi (RTL passes): Document fwprop.
35 2006-11-03 Geoffrey Keating <geoffk@apple.com>
37 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
38 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
39 (grokdeclarator): Likewise.
41 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
43 * tree-dump.c (dump_enable_all): Rename local variable
44 ir_type to avoid name conflicts.
45 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
46 instead of using ir_type().
47 * profile.c (tree_register_profile_hooks): Likewise.
48 * value-prof.c (tree_register_value_prof_hooks): Likewise.
49 * basic-block.h (struct edge_def): Likewise.
50 * config/arm/arm.c (legitimize_pic_address): Likewise.
51 * coretypes.h (ir_type): New enum of all intermediate languages
53 * cfghooks.c (ir_type): Rename to...
54 (current_ir_type): ...this. Distinguish between cfgrtl and
55 cfglayout mode when the current IR is RTL. Return enum ir_type.
56 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
58 2006-11-03 Paul Brook <paul@codesourcery.com>
60 * config/arm/arm.c (arm_file_start): New function.
61 (TARGET_ASM_FILE_START): Define.
62 (arm_default_cpu): New variable.
63 (arm_override_options): Set arm_default_cpu.
65 2006-11-03 David Ung <davidu@mips.com>
67 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
68 PROCESSOR_24KC and PROCESSOR_24KF.
69 * config/mips/mips.c (mips_cpu_info_table): Add processor names
70 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
71 (mips_rtx_cost_data): Add costs for the 24kc.
72 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
73 * config/mips/24k.md: Remove references to 24k and replace with
74 uses of 24kc/24kf in the appropriate reservations.
75 * doc/invoke.texi (MIPS Options): Updated.
77 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
79 * config/sh/crt1.asm: Fix #ifdef indent.
81 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
82 Merged from STMicroelectronics sources:
83 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
84 * config/sh/crt1.asm (vbr_600): Add missing #if.
85 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
86 * sh.opt (mfused-madd): New option.
87 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
88 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
89 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
90 Remove pointless handler at VBR+0.
91 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
92 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
93 fr7. Make sure the timer handler is called with the correct FPU
94 precision setting, according to the ABI.
95 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
96 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
97 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
98 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
99 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
100 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
101 zero as second operand.
102 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
103 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
104 Fixed some bugs related to negative values, in particular -0
105 and overflow at -0x80000000.
106 * config/sh/divcost-analysis: Added sh4-300 figures.
107 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
108 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
109 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
110 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
111 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
112 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
114 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
116 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
117 SH4-300 scheduling description & fixes to SH4-[12]00 description:
118 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
119 mac_mem, mem_mac, dfp_mul, fp_cmp.
120 (insn_class, dfp_comp, any_fp_comp): Update.
121 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
122 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
123 (muldf3_i): Likewise.
124 (movsi_i): Split rI08 alternative into two separate alternatives.
126 (movsi_ie, movsi_i_lowpart): Likewise.
127 (movqi_i): Split ri alternative into two separate alternatives.
129 * sh1.md (sh1_load_store, sh1_fp): Update.
130 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
131 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
132 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
133 (sh4a_fp_double_arith): Likewise.
134 * sh4-300.md: New file.
135 * sh.c (sh_handle_option): Handle m4-300* options.
136 (sh_adjust_cost): Fix latency of auto-increments.
137 Handle SH4-300 differently than other SH4s. Check for new insn types.
138 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
139 been set by an option.
140 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
141 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
142 (mbranch-cost=): Likewise.
143 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
145 * sh.md (mulsf3): Remove special expansion code.
146 (mulsf3_ie): Now a define_insn_and_split.
147 (macsf3): Allow for TARGET_SH4.
149 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
150 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
151 (expand_cbranchdi4): Likewise.
152 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
153 CONST_DOUBLE if the outer code is COMPARE.
154 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
155 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
156 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
157 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
158 Remove redundant fp_{zero,one}_operand checks.
159 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
160 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
161 (expand_cbranchdi4): Likewise.
162 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
163 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
165 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
167 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
170 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
172 * doc/invoke.texi: Fix mfp-trap-mode typo.
174 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
176 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
177 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
178 file_end_indicate_exec_stack.
179 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
181 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
182 for a non-executable stack.
183 * crti.asm: Likewise.
184 * crtn.asm: Likewise.
185 * libunwind.S: Likewise.
187 2006-11-02 Ben Elliston <bje@au.ibm.com>
189 * tree-ssa.c (warn_uninit): Use expand_location variables for
190 locus and declaration locus.
192 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
195 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
196 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
197 cmp{eq,gt,gtu}{si,di}_media.
198 (*cmpne0si_media): Remove.
199 (*movsicc_umin): Adjust gen_cmp*_media call.
200 (unordered): Change the mode of unordered and operands[1] to
202 (seq): Adjust gen_cmp*_media calls. Make the mode of
203 a temporary result of compare SImode if needed. If the mode
204 of operands[0] is DImode, extend the temporary result to DImode.
205 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
206 (sunorderd): Change the mode of match_operand and unorderd to
208 (cmpeq{sf,df}_media): Remove.
209 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
210 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
211 and compare operation to SImode.
213 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
215 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
217 (sparc64-sun-solaris2*): Likewise.
219 2006-11-02 Paul Brook <paul@codesourcery.com>
221 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
222 from priority argument. Use different section for non-default
224 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
226 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
229 * except.c (switch_to_exception_section): Do not cache the section
230 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
231 and flag_function_sections is set.
233 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
236 * builtins.c (do_mpfr_sincos): New.
237 (fold_builtin_1): Use it to fold builtin sincos.
239 2006-11-01 Roger Sayle <roger@eyesopen.com>
241 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
242 it into -D_REENTRANT.
244 2006-11-01 Roger Sayle <roger@eyesopen.com>
246 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
247 whether the assembler supports taking the difference of symbols in
248 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
249 * configure: Regenerate.
250 * config.in: Regenerate.
251 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
252 the assembler doesn't support taking the difference of symbols in
253 different sections, i.e. we're using the native solaris assembler.
255 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
256 Peter Bergner <bergner@vnet.ibm.com>
258 * doc/invoke.texi: Add cpu_type power6x
259 (RS/6000 and PowerPC Options): Add -mmfpgpr.
260 * config.gcc: Add cpu_type power6x.
261 * configure.ac: Add test for mf{t,f}gpr instructions.
262 (HAVE_AS_MFPGPR): New.
263 * config.in: Regenerate.
264 * configure: Regenerate.
265 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
266 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
267 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
268 and mftgpr attributes.
269 (define_attr "cpu"): Add power6.
270 Change instruction sequences to use new attributes.
271 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
272 (fix_truncdfsi2_mfpgpr): New.
273 (floatsidf_ppc64_mfpgpr): New.
274 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
275 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
276 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
277 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
278 (fix_truncdfsi2): Use gpc_reg_operand constraint.
279 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
280 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
281 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
282 cntlz,exts and var_delayed_compare.
283 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
284 _ARCH_PWR6X, if features enabled.
285 * config/rs6000/rs6000.opt (mmfpgpr): New.
286 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
287 (cached_can_issue_more): New variable.
288 (processor_costs): Add power6_cost.
289 (rs6000_sched_init): New function.
290 (is_dispatch_slot_restricted): Deleted.
291 (set_to_load_agen): New function.
292 (is_load_insn,is_store_insn): New functions.
293 (adjacent_mem_locations): New function.
294 (insn_must_be_first_in_group): New function.
295 (insn_must_be_last_in_group): New function.
296 (rs6000_sched_reorder): New function.
297 (rs6000_sched_reorder2): New function.
298 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
299 TARGET_SCHED_REORDER2): Define.
300 (processor_target_table): Use PROCESSOR_POWER6 for power6.
301 Add power6x. Add MASK_MFPGPR for power6x.
302 (POWERPC_MASKS): Add MASK_MFPGPR.
303 (rs6000_override_options): Set rs6000_always_hint to false
304 for power6. Set rs6000_align_branch_targets. Replace
305 rs6000_sched_groups check with rs6000_align_branch_targets.
306 Use PROCESSOR_POWER6.
307 (last_scheduled_insn): New variable.
308 (load_store_pendulum): New variable.
309 (rs6000_variable_issue): Set last_scheduled_insn and
310 cached_can_issue_more.
311 (rs6000_adjust_cost): Add power6 cost adjustments.
312 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
313 with insn_must_be_first_in_group. Add power6 priority adjustments.
314 (rs6000_issue_rate): Add CPU_POWER6.
315 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
316 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
317 (TARGET_MFPGPR): New.
318 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
319 (ASM_CPU_SPEC): Add power6x.
320 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
322 * config/rs6000/power6.md: New file.
324 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
326 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
327 HOST_WIDE_INT_PRINT to print high and low parts. Use
328 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
329 printing a hexadecimal number prefix it with 0x.
331 2006-11-01 Chris Johns <chris@contemporary.net.au>
334 * Makefile.in (install-driver): Use exeext when installing
335 $target-gcc-$version.
337 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
339 * c-common.c (flag_cpp0x): New.
340 * c-common.h (flag_cpp0x): New.
341 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
342 supported, define __GXX_EXPERIMENTAL_CPP0X__.
343 * c-opts.c (set_std_cxx0x): New.
344 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
345 * c.opt (std=c++0x): Document.
346 (std=gnu++0x): Ditto.
347 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
348 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
350 2006-11-01 Richard Guenther <rguenther@suse.de>
352 * config/i386/i386.c (ix86_expand_rint): Fix issues with
354 (ix86_expand_floorceildf_32): Likewise.
355 (ix86_expand_floorceil): Likewise.
356 (ix86_expand_trunc): Likewise.
358 2006-10-31 Andrew Pinski <pinskia@gmail.com>
360 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
363 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
365 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
367 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
369 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
371 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
372 * configure.ac (use_cxa_atexit): As a special case, don't test
373 for libc definition of __cxa_atexit on mingw32
374 * configure: Regenerate.
375 * config.gcc (i[34567]86-pc-mingw32): Default to
376 enable__cxa_atexit=yes.
378 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
380 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
382 2006-10-31 Geoffrey Keating <geoffk@apple.com>
385 * c-decl.c (start_struct): Don't create self-containing
387 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
389 * config/rs6000/rs6000-protos.h
390 (darwin_rs6000_special_round_type_align): New.
391 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
392 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
394 2006-10-31 Geoffrey Keating <geoffk@apple.com>
396 * toplev.c (compile_file): Call final_write_globals
397 even if there have been errors.
399 2006-10-31 Eric Christopher <echristo@apple.com>
400 Falk Hueffner <falk@debian.org>
402 * doc/extend.texi (__builtin_bswap32): Document.
403 (__builtin_bswap64): Ditto.
404 * doc/libgcc.texi (bswapsi2): Document.
406 * doc/rtl.texi (bswap): Document.
407 * optabs.c (expand_unop): Don't widen a bswap.
408 (init_optabs): Init bswap. Set libfuncs explicitly
409 for bswapsi2 and bswapdi2.
410 * optabs.h (OTI_bswap): New.
411 (bswap_optab): Ditto.
412 * genopinit.c (optabs): Handle bswap_optab.
413 * tree.h (tree_index): Add TI_UINT32_TYPE and
415 (uint32_type_node): New.
416 (uint64_type_node): Ditto.
417 * tree.c (build_common_tree_nodes_2): Initialize
418 uint32_type_node and uint64_type_node.
419 * builtins.c (expand_builtin_bswap): New.
420 (expand_builtin): Call.
421 (fold_builtin_bswap): New.
422 (fold_builtin_1): Call.
423 * fold-const.c (tree_expr_nonnegative_p): Return true
425 * builtin-types.def (BT_UINT32): New.
427 (BT_FN_UINT32_UINT32): Ditto.
428 (BT_FN_UINT64_UINT64): Ditto.
429 * builtins.def (BUILT_IN_BSWAP32): New.
430 (BUILT_IN_BSWAP64): Ditto.
431 * rtl.def (BSWAP): New.
432 * genattrtab.c (check_attr_value): New.
433 * libgcc2.c (__bswapSI2): New.
435 * libgcc2.h (__bswapSI2): Declare.
437 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
438 * simplify-rtx.c (simplify_const_unary_operation): Return
440 * libgcc-std.ver (__bwapsi2): Add.
442 * reload1.c (eliminate_regs_1): Add bswap.
443 (elimination_effects): Ditto.
444 * config/i386/i386.h (x86_bswap): New.
446 * config/i386/i386.c (x86_bswap): Set.
448 2006-10-31 Geoffrey Keating <geoffk@apple.com>
450 * coverage.c (coverage_checksum_string): Update comment.
451 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
452 of get_file_function_name.
453 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
454 of get_file_function_name_long.
455 * tree.c (get_file_function_name): Rename from
456 get_file_function_name_long; improve comment; handle 'I' and 'D'
457 specially when the target has ctor/dtor support; remove special
459 (get_file_function_name): Remove.
460 * tree.h (get_file_function_name): Rename from
461 get_file_function_name_long.
462 (get_file_function_name): Remove prototype.
464 2006-10-31 Geoffrey Keating <geoffk@apple.com>
466 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
467 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
469 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
470 Call dsymutil when compiling and linking one or more source files
473 2006-10-31 Geoffrey Keating <geoffk@apple.com>
476 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
478 2006-10-31 Geoffrey Keating <geoffk@apple.com>
480 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
481 inline static functions in c99 mode.
484 * doc/extend.texi (Inline): Update.
485 * c-tree.h (struct language_function): Remove field 'extern_inline'.
486 * c-decl.c (current_extern_inline): Delete.
487 (pop_scope): Adjust test for an undefined nested function.
488 Add warning about undeclared inline function.
489 (diagnose_mismatched_decls): Update comments. Disallow overriding
490 of inline functions in a translation unit in C99. Allow inline
491 declarations in C99 at any time.
492 (merge_decls): Boolize variables. Handle C99 'extern inline'
494 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
495 C99 inline semantics.
496 (start_function): Don't clear current_extern_inline. Don't set
498 (c_push_function_context): Don't push current_extern_inline.
499 (c_pop_function_context): Don't restore current_extern_inline.
502 * c-typeck.c (build_external_ref): Warn about static variables
503 used in extern inline functions.
504 * c-decl.c (start_decl): Warn about static variables declared
505 in extern inline functions.
507 2006-10-31 Roger Sayle <roger@eyesopen.com>
510 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
511 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
512 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
513 or y is an even integer.
515 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
518 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
519 * gthr-posix95.h (__gthread_active_p): Likewise.
521 2006-10-31 Richard Guenther <rguenther@suse.de>
523 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
524 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
525 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
526 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
527 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
528 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
529 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
530 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
533 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
535 * opts.c (decode_options): Disable CSE skip blocks.
537 2006-10-30 Dirk Mueller <dmueller@suse.de>
539 * c-common.h (strict_aliasing_warning): Fix whitespace.
540 * c-decl (start_function): Move code for main decl warning ..
541 * c-common.c (check_main_parameter_types): .. here.
542 * c-common.h (check_main_parameter_types): Declare.
544 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
547 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
549 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
551 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
552 be a PARALLEL containing sets. Return false when out_pat is not
555 2006-10-30 Richard Sandiford <richard@codesourcery.com>
557 * config/mips/mips.md (mul<mode>3): Split into...
558 (mulsi3, muldi3): ...these separate patterns.
560 2006-10-30 Richard Sandiford <richard@codesourcery.com>
562 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
563 but with each set of options separated by spaces.
565 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
567 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
568 dwarf_reg_size_table has been initialized.
570 2006-10-30 Roger Sayle <roger@eyesopen.com>
572 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
573 * ddg.c (print_ddg_edge): Likewise.
574 * dwarf2out.c (prune_unused_types_walk): Likewise.
575 * ifcvt.c (noce_try_cmove_arith): Likewise.
576 * langhooks.c (add_builtin_function): Likewise.
577 * reg-stack.c (subst_stack_regs_pat): Likewise.
578 * tree.c (expanded_location): Likewise.
579 * tree-dump.c (dequeue_and_dump): Likewise.
581 2006-10-30 David Daney <ddaney@avtrex.com>
583 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
585 2006-10-30 Jakub Jelinek <jakub@redhat.com>
587 PR tree-optimization/29637
588 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
589 of the innertype is the innertype itself.
591 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
593 * dwarf2out.c (file_name_acquire): Correct typo.
595 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
597 * tree.h (tree_value_handle): Remove struct value_set declaration.
598 Change value_set to bitmap_set.
599 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
600 * tree-vn.c (get_value_handle): Made inline and moved to
602 * tree-flow-inline.h: (has_stmt_ann): New function.
603 * tree-ssa-pre.c (expressions): New variable.
604 (next_expression_id): Ditto.
605 (alloc_expression_id): New function.
606 (struct value_set): Remove.
607 (get_expression_id): New function.
608 (get_or_alloc_expression_id): Ditto.
609 (expression_for_id): Ditto.
610 (clear_expression_ids): Ditto.
611 (FOR_EACH_EXPR_ID_IN_SET): New macro.
612 (bb_value_sets): Renamed to bb_bitmap_sets.
613 All value sets replaced with bitmap_sets.
615 (BB_VISITED): New macro.
616 (postorder): New variable.
617 (add_to_value): Removed.
618 (value_exists_in_set_bitmap): Ditto.
619 (value_insert_into_set_bitmap): Ditto.
623 (set_contains_value): Ditto.
624 (insert_into_set): Ditto.
626 (find_leader): Ditto.
627 (bitmap_set_subtract_from_value_set): Ditto.
628 (value_insert_into_set): Ditto.
629 (print_value_set): Ditto.
630 (debug_value_set): Ditto.
631 (constant_expr_p): New function.
632 (bitmap_remove_from_set): Ditto.
633 (bitmap_insert_into_set): Ditto.
634 (bitmap_set_free): Ditto.
636 (sorted_array_from_bitmap_set): Ditto.
637 (bitmap_set_subtract): Ditto.
638 (bitmap_set_equal): Ditto.
639 (debug_bitmap_set): Ditto.
640 (find_leader_in_sets): Ditto.
641 (bitmap_set_replace_value): Modify for bitmapped sets.
642 (phi_translate): Ditto.
643 (phi_translate_set): Ditto.
644 (bitmap_find_leader): Ditto.
645 (valid_in_sets): Ditto.
646 (union_contains_value): Ditto.
648 (compute_antic_aux): Ditto. Mark changed blocks.
649 (compute_antic): Ditto. Iterate in postorder and only over
651 (compute_rvuse_and_antic_safe): Reuse postorder.
652 (create_component_ref_by_pieces): Modify for bitmapped sets.
653 (find_or_generate_expression): Ditto.
654 (create_expression_by_pieces): Ditto.
655 (insert_into_preds_of_block): Ditto.
656 (changed_blocks): New variable.
657 (do_regular_insertion): Broken out from insert_aux.
658 (insert_aux): Modified for bitmapped sets.
659 (find_existing_value_expr): New function.
660 (create_value_expr_from): Use it.
661 (insert_extra_phis): Removed.
662 (print_bitmap_set): Renamed from bitmap_print_value_set.
663 (compute_avail): Handle RETURN_EXPR.
664 (init_pre): Modify for bitmapped sets.
665 * tree-flow.h (has_stmt_ann): New function.
667 2006-10-29 Roger Sayle <roger@eyesopen.com>
669 * builtins.c (fold_builtin_floor): Check for the availability of
670 the C99 trunc function before transforming floor into trunc.
672 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
674 * builtins.c (fold_builtin_hypot): Rearrange recursive
675 transformation before others, and also do ABS_EXPR. When
676 necessary, check flag_unsafe_math_optimizations. When necessary,
679 2006-10-29 Roger Sayle <roger@eyesopen.com>
681 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
682 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
683 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
684 Fold -X eq/ne -Y as X eq/ne Y.
686 2006-10-29 Richard Sandiford <richard@codesourcery.com>
688 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
689 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
690 rather than GENERATE_MULT3_SI in the various define_peephole2s.
691 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
692 Use an inclusive test for "mult" rather than "mul".
693 (rotr<mode>3): Depend on ISA_HAS_ROR.
694 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
696 (GENERATE_MULT3_DI): Delete.
697 (ISA_HAS_64BIT_REGS): Use consistent formatting.
698 (ISA_HAS_MUL3): New macro.
699 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
700 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
701 (ISA_HAS_CLZ_CLO): Likewise.
702 (ISA_HAS_DCLZ_DCLO): Delete.
703 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
704 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
705 the VR4120 and VR4130.
706 (ISA_HAS_MACCHI): Use consistent formatting.
707 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
708 (ISA_HAS_ROR): ...this new macro.
709 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
710 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
711 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
713 2006-10-29 Roger Sayle <roger@eyesopen.com>
715 PR tree-optimization/15458
716 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
719 2006-10-29 Richard Guenther <rguenther@suse.de>
721 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
722 (ix86_expand_truncdf_32): Likewise.
723 * config/i386/i386.c (ix86_expand_trunc): New function expanding
724 trunc inline for SSE math and -fno-trapping-math and if not
726 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
727 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
728 for expanding btrunc inline for SSE math.
730 2006-10-29 Joseph Myers <joseph@codesourcery.com>
732 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
733 Handle tuning for bi-arch i[34567]86-*-linux* like that for
734 i[34567]86-*-solaris2.1[0-9]*.
735 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
736 Define conditionally depending on TARGET_64BIT_DEFAULT.
737 (SPEC_32, SPEC_64): Define.
738 (LINK_SPEC): Use them.
739 * doc/install.texi (--enable-targets=all): Document for x86-linux.
741 2006-10-29 Richard Guenther <rguenther@suse.de>
743 * config/i386/i386-protos.h (ix86_expand_round): Declare.
744 (ix86_expand_rounddf_32): Likewise.
745 * config/i386/i386.c (ix86_expand_round): New function expanding
746 round inline for SSE math and -fno-trapping-math and if not
748 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
749 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
750 round via ix86_expand_round.
752 2006-10-29 Richard Guenther <rguenther@suse.de>
754 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
755 (ix86_expand_floorceildf_32): Likewise.
756 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
757 static helper function.
758 (ix86_expand_floorceil): Expander for floor and ceil to SSE
760 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
761 * config/i386/i386.md (floordf2): Adjust to enable floor
762 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
763 -fno-trapping-math is enabled and if not optimizing for size.
764 (floorsf2, ceildf2, ceilsf2): Likewise.
765 * config/i386/sse.md (sse_maskcmpsf3): New insn.
766 (sse2_maskcmpdf3): Likewise.
768 2006-10-29 Richard Guenther <rguenther@suse.de>
770 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
771 rint in case -fno-trapping-math is enabled.
772 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
773 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
774 (ix86_expand_sse_fabs): Likewise.
775 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
776 * config/i386/i386.md (rintdf2): Enable for SSE math if
777 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
780 2006-10-29 Richard Guenther <rguenther@suse.de>
782 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
783 to conversion optabs.
784 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
786 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
787 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
788 (lfloor_optab, lceil_optab): Adjust defines.
789 * builtins.c (expand_builtin_int_roundingfn): Adjust for
790 lfloor and lceil optabs now being conversion optabs.
791 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
792 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
793 New static helper function.
794 (ix86_expand_lfloorceil): New function to expand lfloor and
796 * config/i386/i386.md (lfloor<mode>2): Split into ...
797 (lfloorxf<mode>2): ... x87 variant
798 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
799 using ix86_expand_lfloorceil.
800 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
802 * doc/md.texi (lfloorMN, lceilMN): Document.
804 2006-10-29 Richard Sandiford <richard@codesourcery.com>
806 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
807 -mno-shared assembler option on mips targets.
808 * configure, config.in: Regenerate.
809 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
810 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
811 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
813 2006-10-29 Richard Sandiford <richard@codesourcery.com>
815 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
816 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
818 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
820 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
821 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
824 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
827 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
828 (fold_builtin_pow): Evaluate constant arguments at compile-time
830 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
831 (do_mpfr_ckconv): New helper function.
832 (do_mpfr_arg1): Use do_mpfr_ckconv.
835 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
838 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
839 (-fdump-rtl-sched): Rename to ..
840 (-fdump-rtl-sched1): here. Also fix file extension number.
842 2006-10-28 Richard Guenther <rguenther@suse.de>
844 * fold-const.c (maybe_canonicalize_comparison): Fix code
847 2006-10-28 Uros Bizjak <uros@kss-loka.si>
849 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
850 (NON_QI_REG_P): Use IN_RANGE.
851 (REX_INT_REGNO_P): Use IN_RANGE.
852 (FP_REGNO_P): Use IN_RANGE.
853 (SSE_REGNO_P): Use IN_RANGE.
854 (REX_SSE_REGNO_P): Use IN_RANGE.
855 (MMX_REGNO_P): Use IN_RANGE.
856 (STACK_REGNO_P): New macro.
857 (STACK_REG_P): Use STACK_REGNO_P.
858 (NON_STACK_REG_P): Use STACK_REGNO_P.
859 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
860 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
861 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
862 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
863 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
865 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
867 * except.h (output_function_exception_table): Add 'const char*' param.
868 * except.c (switch_to_exception_section): Add 'const char*' param.
869 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
870 and flag_function_sections is set, use a function-specific section.
871 (output_function_exception_table): Add 'const char*' param.
872 Adjust call to switch_to_exception_section.
873 * final.c (rest_of_handle_final): Adjust calls to
874 output_function_exception_table.
875 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
876 * config.in: Regenerate.
877 * configure: Likewise.
879 2006-10-28 Richard Guenther <rguenther@suse.de>
882 * fold-const.c (maybe_canonicalize_comparison_1): Helper
883 for maybe_canonicalize_comparison.
884 (maybe_canonicalize_comparison): New function for canonicalizing
886 (fold_comparison): Call it to canonicalize comparisons with
889 2006-10-28 Richard Guenther <rguenther@suse.de>
892 * builtins.c (expand_builtin_int_roundingfn_2): Expand
893 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
894 (expand_builtin): Adjust likewise.
895 * genopinit.c (optabs[]): Add lround optab.
896 * optabs.c (init_optabs): Initialize lround_optab.
897 * optabs.h (enum convert_optab_index): Add COI_lround.
898 (lround_optab): Define.
899 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
900 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
902 (ix86_expand_lround): New function.
903 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
905 * doc/md.texi (lroundMN2): Document.
907 2006-10-28 Uros Bizjak <uros@kss-loka.si>
910 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
911 argument to HOST_WIDE_INT. Update function prototype.
912 (round_frame_size): Change return type to HOST_WIDE_INT. Change
913 "size" argument to HOST_WIDE_INT. Update function prototype.
915 2006-10-28 Uros Bizjak <uros@kss-loka.si>
917 * config/i386/i386.c (output_387_ffreep): Create output from a
918 template string for !HAVE_AS_IX86_FFREEP.
920 2006-10-27 Eric Christopher <echristo@apple.com>
922 * config/darwin.c: Fix formatting and grammar.
924 2006-10-27 Jan Hubicka <jh@suse.cz>
926 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
927 to be thrown away soon when IGNORE is set.
928 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
929 indicating when return value shall not be computed.
930 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
932 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
934 * config/i386/i386.h (TARGET_GEODE):
935 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
936 (TARGET_CPU_DEFAULT_geode): New macro.
937 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
938 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
939 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
940 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
941 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
943 (TARGET_CPU_DEFAULT_NAMES): Add geode.
944 (processor_type): Add PROCESSOR_GEODE.
946 * config/i386/i386.md: Include geode.md.
949 * config/i386/i386.c (geode_cost): New initialized global
951 (m_GEODE, m_K6_GEODE): New macros.
952 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
953 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
954 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
955 x86_schedule): Use m_K6_GEODE instead of m_K6.
956 (x86_movx, x86_cmove): Set up m_GEODE.
957 (x86_integer_DFmode_moves): Clear m_GEODE.
958 (processor_target_table): Add entry for geode.
959 (processor_alias_table): Ditto.
961 * config/i386/geode.md: New file.
963 * doc/invoke.texi: Add entry about geode processor.
965 2006-10-27 Mike Stump <mrs@apple.com>
967 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
968 __DYNAMIC__ from here back to ...
969 * config/darwin.h (CPP_SPEC): ... here.
971 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
972 Nathan Sidwell <nathan@codesourcery.com>
974 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
975 when choosing the minimum heapsize.
977 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
979 * gcc/unwind-dw2.h: Move cfa-related variables into
980 struct frame_state_reg_info to ensure that the CFA is properly
981 handled when executing DW_CFA_{remember,restore}_state.
982 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
983 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
984 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
985 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
986 gcc/config/rs6000/linux-unwind.h,
987 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
988 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
989 Modify to use new cfa_* fields.
991 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
993 * config/s390/s390.c (s390_init_frame_layout): Check positive
996 2006-10-26 Ben Elliston <bje@au.ibm.com>
998 * gimplify.c (get_name): Remove extraneous break.
999 (gimplify_omp_for): Initialise ret with GS_OK.
1001 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1003 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1004 Add unix98.o to link line.
1006 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1009 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1010 Calculate compile-time constants using MPFR.
1011 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1012 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1014 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1016 * config/xtensa/lib2funcs.S: Use C-style comments.
1018 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1020 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1021 (file_table_relative_p): Likewise.
1022 (dwarf2out_finish): Likewise.
1023 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1025 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1027 * tree-ssa-structalias.c (intra_create_variable_infos):
1028 Don't recreate nonlocal_all if it already exists.
1030 2006-10-25 Richard Guenther <rguenther@suse.de>
1033 * optabs.h (enum optab_index): Remove OTI_lrint.
1034 (enum convert_optab_index): Add COI_lrint.
1035 (lrint_optab): Adjust.
1036 (expand_sfix_optab): Declare.
1037 * optabs.c (expand_sfix_optab): New function.
1038 (init_optabs): Init lrint_optab as conversion optab.
1039 * genopinit.c (lrint_optab): Change to a conversion optab.
1040 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1041 expansion via conversion optab.
1042 * config/i386/i386.md (*fistdi2_1): Remove
1043 flag_unsafe_math_optimizations guard.
1044 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1045 fist<mode>2_with_temp): Likewise.
1046 (lrint<mode>2): Split into...
1047 (lrintxf<mode>2): ... x87 part
1048 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1049 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1050 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1051 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1052 * doc/md.texi (lrintMN2): Document.
1054 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1057 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1058 Use inc and dec instructions for TARGET_USE_INCDEC.
1059 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1060 ("sync_double_compare_and_swap<mode>"): Likewise.
1061 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1062 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1063 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1064 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1065 ("sync_old_add<mode>"): Likewise.
1066 ("sync_lock_test_and_set<mode>"): Likewise.
1067 ("sync_lock_test_and_set<mode>"): Likewise.
1068 ("sync_add<mode>"): Likewise.
1069 ("sync_sub<mode>"): Likewise.
1070 ("sync_ior<mode>"): Likewise.
1071 ("sync_and<mode>"): Likewise.
1072 ("sync_xor<mode>"): Likewise.
1074 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1076 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1077 (remainder_optab): Define corresponding macro.
1078 (drem_optab): Remove.
1079 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1080 drem_optab initialization.
1081 * genopinit.c (optabs): Implement remainder_optab using
1082 remainder?f3 patterns. Remove drem_optab.
1083 * builtins.c (expand_builtin_mathfn_2): Handle
1084 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1085 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1086 expand_builtin_mathfn_2.
1088 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1089 depend on flag_unsafe_math_optimizations.
1091 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1092 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1093 Do not depend on flag_unsafe_math_optimizations. Use
1094 truncxf?f expander instead of truncxf?f_i387_noop.
1096 ("fpremxf4", "fprem1xf4"): Do not depend on
1097 flag_unsafe_math_optimizations.
1098 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1099 flag_unsafe_math_optimizations. Use truncxf?f expander
1100 instead of truncxf?f_i387_noop.
1102 * doc/md.texi (fmod, remainder): Document standard named pattern.
1104 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1105 David Daney <ddaney@avtrex.com>
1108 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1110 2006-10-25 Ben Elliston <bje@au.ibm.com>
1112 * doc/extend.texi (Variable Attributes): Typo fix.
1114 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1116 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1117 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1118 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1119 (FRAME_POINTER_REGNUM): Update register number to 21.
1120 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1121 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1123 * config/i386/i386.c (regclass_map): Add fpcr entry.
1124 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1126 (print_reg): Assert REGNO (x) != FPCR_REG.
1128 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1129 (DIRFLAG_REG): Renumber.
1130 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1131 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1132 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1133 hardcoded SSE register numbers.
1135 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1136 hardcoded MMX register numbers.
1138 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1141 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1142 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1144 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1145 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1146 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1147 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1149 2006-10-24 Richard Guenther <rguenther@suse.de>
1152 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1153 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1154 for deciding optimizations in consistency with fold-const.c
1155 (fold_builtin_unordered_cmp): Likewise.
1157 2006-10-24 Richard Guenther <rguenther@suse.de>
1159 * builtins.c (fold_builtin_floor): Fold floor (x) where
1160 x is nonnegative to trunc (x).
1161 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1162 nonnegative to FIX_TRUNC_EXPR.
1164 2006-10-24 Richard Guenther <rguenther@suse.de>
1166 PR tree-optimization/29567
1167 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1168 for TRUTH_NOT_EXPR. Clarify comments.
1170 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1173 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1174 at compile-time using MPFR. Change parameter VALUE to FUNC,
1176 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1177 for overflow and underflow at all times and avoid folding in
1180 2006-10-24 Ben Elliston <bje@au.ibm.com>
1182 * reload1.c: Formatting fixes.
1184 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1186 PR tree-optimization/14784
1187 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1188 * tree-ssa-structalias.c (get_constraint_for,
1189 intra_create_variable_infos): Set is_heapvar.
1190 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1191 non-heapvar pointer variables specially.
1193 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1196 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1197 fold_builtin_tan): Fold all constant arguments. Take a "type"
1198 argument as necessary.
1199 (do_mpfr_arg1): New.
1200 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1202 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1204 * config/xtensa/lib1funcs.asm: Use C-style comments.
1206 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1208 * tree.c (local_define_builtin): Replace calls to
1209 lang_hooks.builtin_function with add_builtin_function.
1210 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1212 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1214 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1215 common code to add_builtin_function.
1216 * langhooks.c (add_builtin_function): New function.
1217 (lhd_builtin_function): New function.
1218 * langhooks.h (struct lang_hooks): Change the signature of
1220 (add_builtin_function): New function.
1221 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1222 calls to lang_hooks.builtin_function with add_builtin_function.
1223 * c-common.c (decl_builtin_1): Replace calls to
1224 lang_hooks.builtin_function with add_builtin_function.
1225 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1226 lang_hooks.builtin_function with add_builtin_function.
1227 * config/frv/frv.c (def_builtin): Replace calls to
1228 lang_hooks.builtin_function with add_builtin_function.
1229 * config/s390/s390.c (s390_init_builtins): Replace calls to
1230 lang_hooks.builtin_function with add_builtin_function.
1231 * config/sparc/sparc.c (def_builtin): Replace calls to
1232 lang_hooks.builtin_function with add_builtin_function.
1233 * config/i386/i386.c (def_builtin): Replace calls to
1234 lang_hooks.builtin_function with add_builtin_function.
1235 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1236 lang_hooks.builtin_function with add_builtin_function.
1237 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1238 lang_hooks.builtin_function with add_builtin_function.
1239 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1240 Replace calls to lang_hooks.builtin_function with
1241 add_builtin_function.
1242 * config/iq2000/iq2000.c (def_builtin):
1243 Replace calls to lang_hooks.builtin_function with
1244 add_builtin_function.
1245 * config/ia64/ia64.c (def_builtin): Replace calls to
1246 lang_hooks.builtin_function with add_builtin_function.
1247 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1248 lang_hooks.builtin_function with add_builtin_function.
1249 (altivec_init_builtins): Replace calls to
1250 lang_hooks.builtin_function with add_builtin_function.
1251 * config/arm/arm.c (def_mbuiltin): Replace calls to
1252 lang_hooks.builtin_function with add_builtin_function.
1253 (arm_init_tls_builtins): Replace calls to
1254 lang_hooks.builtin_function with add_builtin_function.
1255 * config/mips/mips.c (mips_init_builtins): Replace calls to
1256 lang_hooks.builtin_function with add_builtin_function.
1257 * config/bfin/bfin.c (def_builtin): Replace calls to
1258 lang_hooks.builtin_function with add_builtin_function.
1259 * langhooks-def.h (lhd_builtin_function): New function.
1260 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1262 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1264 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1265 BUILT_IN_STRNCAT_CHK.
1267 2006-10-23 Jan Hubicka <jh@suse.cz>
1269 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1270 don't do conversion from memmove to memcpy here.
1271 (expand_builtin_bcopy, expand_builtin): Update call of
1272 expand_builtin_memmove.
1273 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1275 2006-10-23 Paul Brook <paul@codesourcery.com>
1277 * stor-layout.c (start_record_layout): maximum_field_alignment
1278 overrides STRUCTURE_SIZE_BOUNDARY.
1280 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1282 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1283 nonlocal function symbols if flag_pic.
1285 2006-10-23 Richard Guenther <rguenther@suse.de>
1289 * builtins.c (fold_binary): Remove checks for flag_wrapv
1290 and flag_trapv where negate_expr_p covers these cases.
1292 2006-10-23 Richard Guenther <rguenther@suse.de>
1295 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1296 of two on the absolute value.
1297 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1298 and negating -C does not overflow.
1300 2006-10-23 Richard Guenther <rguenther@suse.de>
1303 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1304 only if not flag_rounding_math.
1306 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1307 Kaz Kojima <kkojima@gcc.gnu.org>
1310 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1311 SImode memory reference for the source of a movua.
1312 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1313 (movua): Use an unspec instead of sign_extract. Expect the source
1314 to have mode BLKmode.
1315 (extv, insv): Use a BLKmode rather than SImode memory reference
1316 for the source of a movua.
1318 2006-10-22 Jeff Law <law@redhat.com>
1319 Richard Guenther <rguenther@suse.de>
1321 PR tree-optimization/15911
1322 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1323 (register_edge_assert_for_1): Likewise.
1324 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1325 (find_conditional_asserts): Adjust for new function signature.
1326 (find_assert_locations): Likewise.
1328 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1330 * config/i386/tmmintrin.h: Remove the duplicated content.
1332 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1334 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1335 (x86_64-*-*): Likewise.
1337 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1338 (override_options): Check SSSE3.
1339 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1340 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1341 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1342 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1343 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1344 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1345 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1346 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1347 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1348 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1349 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1350 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1351 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1352 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1353 IX86_BUILTIN_PABSD128.
1354 (bdesc_2arg): Add SSSE3.
1355 (bdesc_1arg): Likewise.
1356 (ix86_init_mmx_sse_builtins): Support SSSE3.
1357 (ix86_expand_builtin): Likewise.
1358 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1360 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1361 (UNSPEC_PSIGN): Likewise.
1362 (UNSPEC_PALIGNR): Likewise.
1363 Include mmx.md before sse.md.
1365 * config/i386/i386.opt: Add -mssse3.
1367 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1368 (ssse3_phaddwv4hi3): Likewise.
1369 (ssse3_phadddv4si3): Likewise.
1370 (ssse3_phadddv2si3): Likewise.
1371 (ssse3_phaddswv8hi3): Likewise.
1372 (ssse3_phaddswv4hi3): Likewise.
1373 (ssse3_phsubwv8hi3): Likewise.
1374 (ssse3_phsubwv4hi3): Likewise.
1375 (ssse3_phsubdv4si3): Likewise.
1376 (ssse3_phsubdv2si3): Likewise.
1377 (ssse3_phsubswv8hi3): Likewise.
1378 (ssse3_phsubswv4hi3): Likewise.
1379 (ssse3_pmaddubswv8hi3): Likewise.
1380 (ssse3_pmaddubswv4hi3): Likewise.
1381 (ssse3_pmulhrswv8hi3): Likewise.
1382 (ssse3_pmulhrswv4hi3): Likewise.
1383 (ssse3_pshufbv16qi3): Likewise.
1384 (ssse3_pshufbv8qi3): Likewise.
1385 (ssse3_psign<mode>3): Likewise.
1386 (ssse3_psign<mode>3): Likewise.
1387 (ssse3_palignrti): Likewise.
1388 (ssse3_palignrdi): Likewise.
1389 (abs<mode>2): Likewise.
1390 (abs<mode>2): Likewise.
1392 * config/i386/tmmintrin.h: New file.
1394 * doc/extend.texi: Document SSSE3 built-in functions.
1396 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1398 2006-10-22 Ira Rosen <irar@il.ibm.com>
1400 * tree-vect-transform.c (vectorizable_load): Use the type of the
1401 return value of the mask_for_load builtin to create realign_load
1404 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1406 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1409 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1411 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1412 (UNSPEC_LDDQU): This.
1413 * config/i386/sse.md (sse3_lddqu): Updated.
1415 2006-10-21 Richard Guenther <rguenther@suse.de>
1417 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1418 (expand_builtin): Use it to expand lrint instead of
1419 expand_builtin_mathfn.
1421 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1424 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1425 flag_unsafe_math_optimizations is set.
1427 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1430 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1431 patterns to use memory input operand in x87->mem->XMM
1432 reload sequences. Skip transformation for TARGET_K8.
1434 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1436 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1437 force operand1 to register if both operands are memory operands.
1438 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1439 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1440 if both operands are memory operands.
1441 (truncdfsf2): Do not force operand1 to register if both operands
1442 are memory operands.
1444 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1446 * Makefile.in (LIBS): Add $(GMPLIBS).
1447 * doc/install.texi: Update GMP and MPFR requirements.
1448 * doc/sourcebuild.texi (need_gmp): Delete.
1450 2006-10-21 Richard Guenther <rguenther@suse.de>
1452 PR tree-optimization/3511
1453 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1454 got new invariant arguments during PHI translation.
1456 2006-10-21 Richard Guenther <rguenther@suse.de>
1459 * fold-const.c (fold_comparison): Fold signed comparisons
1460 of the form X +- C1 CMP Y +- C2.
1462 2006-10-21 Richard Guenther <rguenther@suse.de>
1465 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1466 if flag_unsafe_math_optimizations is specified. We have
1467 flag_finite_math_only for that.
1468 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1469 or flag_unsafe_math_optimizations.
1471 2006-10-21 Richard Guenther <rguenther@suse.de>
1473 * builtins.c (fold_builtin_classify): Fix typo.
1475 2006-10-21 Richard Guenther <rguenther@suse.de>
1478 * simplify-rtx.c (simplify_const_relational_operation):
1479 Do not constant-fold ORDERED and UNORDERED for
1480 flag_unsafe_math_optimizations but only we do not need to
1481 honor NaNs for the given mode.
1483 2006-10-21 Richard Guenther <rguenther@suse.de>
1486 * config/i386/i386.c (classify_argument): Remove redundant
1487 walking of the BINFOs.
1488 (contains_128bit_aligned_vector_p): Likewise.
1490 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1492 * BASE-VER: Set to 4.3.0.
1494 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1496 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1497 (tree_decl_with_vis): Remove artificial_pta_var flag.
1498 * tree-flow.h (referenced_var_check_and_insert): Expose.
1499 (nonlocal_all): New prototype.
1500 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1501 (nonlocal_all): Make global.
1502 (nonlocal_lookup): Remove.
1503 (nonlocal_insert): Ditto.
1504 (create_nonlocal_var): Do not call nonlocal_insert.
1505 (get_nonlocal_id_for_type): Remove.
1506 (find_global_initializers): Mark new vars we find for renaming.
1507 (intra_create_variable_infos): Only create one nonlocal.
1508 (expand_nonlocal_solutions): Remove.
1509 (compute_points_to_sets): Don't call it.
1510 (ipa_pta_execute): Ditto.
1511 (init_alias_heapvars): Don't create nonlocal_for_type.
1512 (delete_alias_heapvars): Don't remove it.
1513 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1516 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1518 * doc/install.texi (Downloading GCC): Clarify mention of
1519 Fortran in the "full distribution" description.
1521 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1523 Fix PR tree-optimization/28778
1524 Fix PR tree-optimization/29156
1525 Fix PR tree-optimization/29415
1526 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1527 (tree_decl_with_vis): Add artificial_pta_var flag.
1528 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1529 pushed into callers.
1530 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1531 (nonlocal_all): Ditto.
1532 (struct variable_info): Add directly_dereferenced member.
1533 (var_escaped_vars): New variable.
1534 (escaped_vars_tree): Ditto.
1535 (escaped_vars_id): Ditto.
1536 (nonlocal_vars_id): Ditto.
1537 (new_var_info): Set directly_dereferenced.
1538 (graph_size): New variable
1539 (build_constraint_graph): Use graph_size.
1540 (solve_graph): Don't process constraints that cannot change the
1541 solution, don't try to propagate an empty solution to our
1543 (process_constraint): Set directly_dereferenced.
1544 (could_have_pointers): New function.
1545 (get_constraint_for_component_ref): Don't process STRING_CST.
1546 (nonlocal_lookup): New function.
1547 (nonlocal_insert): Ditto.
1548 (create_nonlocal_var): Ditto.
1549 (get_nonlocal_id_for_type): Ditto.
1550 (get_constraint_for): Allow results vector to be empty in the case
1551 of string constants.
1552 Handle results of calls properly.
1553 (update_alias_info): Update alias info stats on number and type of
1555 (find_func_aliases): Use could_have_pointers.
1556 (make_constraint_from_escaped): Renamed from
1557 make_constraint_to_anything, and changed to make constraints from
1559 (make_constraint_to_escaped): New function.
1560 (find_global_initializers): Ditto.
1561 (create_variable_info_for): Make constraint from escaped to any
1562 global variable, and from any global variable to the set of
1564 (intra_create_variable_infos): Deal with escaped instead of
1565 pointing to anything.
1566 (set_uids_in_ptset): Do type pruning on directly dereferenced
1568 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1569 (init_base_vars): Fix comment, and initialize escaped_vars.
1570 (need_to_solve): Removed.
1571 (find_escape_constraints): New function.
1572 (expand_nonlocal_solutions): Ditto.
1573 (compute_points_to_sets): Call find_escape_constraints and
1574 expand_nonlocal_solutions.
1575 (delete_points_to_sets): Don't fall off the end of the graph.
1576 (init_alias_heapvars): Initialize nonlocal_for_type and
1578 (delete_alias_heapvars): Free nonlocal_for_type and null out
1581 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1583 * fold-const.c (add_double): Rename to add_double_with_sign.
1584 Add 'unsigned_p' parameter and take it into account for the overflow.
1585 (mul_double): Rename to mul_double_with_sign.
1586 Add 'unsigned_p' parameter and take it into account for the overflow.
1587 (fold_div_compare): Call add_double_with_sign instead of add_double
1588 and mul_double_with_sign instead of mul_double, passing them the
1589 unsignedness of the type.
1590 * tree.h (add_double): Macroize.
1591 (add_double_with_sign): New prototype.
1592 (mul_double): Macroize.
1593 (mul_double_with_sign): New prototype.
1595 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1597 * config/score/crti.asm: New file.
1598 * config/score/crtn.asm: New file.
1599 * config/score/elf.h: New file.
1600 * config/score/mac.md: New file.
1601 * config/score/misc.md: New file.
1602 * config/score/mul-div.S: New file.
1603 * config/score/predicates.md: New file.
1604 * config/score/score7.md: New file.
1605 * config/score/score.c: New file.
1606 * config/score/score-conv.h: New file.
1607 * config/score/score.h: New file.
1608 * config/score/score.md: New file.
1609 * config/score/score-mdaux.c: New file.
1610 * config/score/score-mdaux.h: New file.
1611 * config/score/score-modes.def: New file.
1612 * config/score/score.opt: New file.
1613 * config/score/score-protos.h: New file.
1614 * config/score/score-version.h: New file.
1615 * config/score/t-score-elf: New file.
1616 * config.gcc: Add score*-*-* configurations(Update before).
1617 * doc/invoke.texi (Score Options): New section.
1618 * doc/md.texi (Score family): New section to document constraints.
1620 2006-10-19 Nick Clifton <nickc@redhat.com>
1622 * config/arm/arm.c: Fix spelling typo.
1624 2006-10-18 Tom Tromey <tromey@redhat.com>
1626 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1628 2006-10-18 Jan Hubicka <jh@suse.cz>
1631 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1634 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1636 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1637 TSI_SAME_STMT, since that's the desired entity.
1639 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1641 * config/s390/contraints.md: New file.
1642 * config/s390/s390-protos.h (s390_mem_constraint,
1643 s390_O_constraint_str, s390_N_constraint_str,
1644 s390_float_const_zero_p): Function prototypes added.
1645 * config/s390/s390.c (s390_extra_constraint_str,
1646 s390_const_double_ok_for_constraint_p,
1647 s390_const_ok_for_constraint_p): Functions removed.
1648 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1649 s390_float_const_zero_p): New functions.
1650 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1651 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1652 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1653 Macro definitions removed.
1654 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1655 s390_extra_constraint_str): Functions removed.
1657 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1658 Richard Sandiford <richard@codesourcery.com>
1661 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1662 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1664 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1666 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1667 (DWARF2_FRAME_REG_OUT): Likewise.
1668 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1669 (DWARF2_FRAME_REG_OUT): Likewise.
1671 2006-10-17 Paul Brook <paul@codesourcery.com>
1673 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1675 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1677 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1678 Standardize on "GNU Fortran" as the official name of the Fortran
1681 2006-10-16 Mike Stump <mrs@apple.com>
1683 * doc/invoke.texi (Darwin Options): Document -mkernel.
1684 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1686 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1687 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1688 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1689 (OS_MISSING_ALTIVEC): Add.
1690 * config/i386/i386.c (override_options): Add
1691 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1692 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1693 -mkernel, -static or -mdynamic-no-pic is given.
1694 (C_COMMON_OVERRIDE_OPTIONS): Add.
1695 * config/darwin.opt (fapple-kext): Add.
1697 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1698 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1700 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1701 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1702 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1703 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1704 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1705 (flag_mkernel): Add.
1706 (flag_apple_kext): Add.
1707 (TARGET_KEXTABI): Add.
1708 * config/darwin.c (darwin_handle_kext_attribute): Add.
1709 (DARWIN_VTABLE_P): Add.
1710 (darwin_binds_local_p): Add partial support for rebinding vtables
1712 (darwin_kextabi_p): Add.
1713 (darwin_override_options): Add.
1714 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1715 (darwin_kextabi_p): Add.
1716 (darwin_override_options): Add.
1717 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1718 __DYNAMIC__ and __STATIC__ here.
1720 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1722 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1723 Added mention of "make pdf" target, and Texinfo requirements for
1726 2006-10-16 DJ Delorie <dj@redhat.com>
1728 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1729 into the GOT in case we need a subreg of the address.
1731 2006-10-16 Richard Guenther <rguenther@suse.de>
1734 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1735 SSE builtin documentation. Document SSE2 builtins.
1737 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1739 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1740 symbol in the output file for non-shared links when -nostdlib or
1741 -nodefaultlibs isn't specified.
1743 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1744 posix thread support.
1746 2006-10-15 Jan Hubicka <jh@suse.cz>
1749 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1750 declared always_inline even when not inlining.
1752 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1753 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1754 Andrew Pinski <pinskia@gmail.com>
1757 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1759 2006-10-15 Jan Hubicka <jh@suse.cz>
1760 Richard Guenther <rguenther@suse.de>
1763 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1764 process_function_and_variable_attributes on all variables, including
1765 those discovered during cgraph construction phase.
1767 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1769 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1771 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1773 * config/i386/athlon.md (athlon_fist): Add fisttp.
1775 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1776 Ian Lance Taylor <ian@airs.com>
1779 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1780 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1783 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1785 * config/score/score.c, config/score/score.h: Fix comment
1788 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1791 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1794 2006-10-13 Eric Christopher <echristo@apple.com>
1796 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1798 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1801 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1802 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1803 alignment supported by 32-bit ELF.
1805 2006-10-13 Eric Christopher <echristo@apple.com>
1807 * config/darwin.c (darwin_emit_unwind_label): Strip
1808 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1810 2006-10-13 Richard Guenther <rguenther@suse.de>
1812 PR tree-optimization/29446
1813 * tree-vrp.c (fix_equivalence_set): Remove.
1814 (extract_range_from_assert): Do not call fix_equivalence_set.
1815 (debug_value_range): Print a newline.
1816 (compare_name_with_value): For equivalence sets with
1817 inconsistent value ranges conservatively bail out.
1818 (compare_names): Likewise.
1820 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1822 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1823 and MPFR for gfortran.
1825 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1827 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1828 alignment supported by 32-bit ELF.
1830 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1834 * c-typeck.c (digest_init): Always allow initializing vectors
1835 that have static storage duration with compound literals.
1836 * tree.c (build_type_attribute_qual_variant): New, based on
1837 build_type_attribute_variant.
1838 (build_type_attribute_variant): Rewrite using the former.
1839 (make_vector_type): Use build_type_attribute_qual_variant to build
1840 type variants. Use type_hash_canon on the others.
1842 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1843 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1845 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1847 2006-10-12 Jan Hubicka <jh@suse.cz>
1850 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1851 current_function_decl is set but current_function_scope is not.
1853 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1855 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1856 emit_insn to emit eh_return_internal instruction.
1857 (eh_return_internal): Explicitly set pc.
1859 2006-10-11 Richard Guenther <rguenther@suse.de>
1861 PR tree-optimization/28230
1862 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1863 to the correct place.
1865 2006-10-11 Richard Guenther <rguenther@suse.de>
1868 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1871 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1873 * configure.ac: Added pdf to "Make-hooks"
1874 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1875 targets and *.pdf file patterns in cleanup targets.
1876 * configure: Regenerated.
1878 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1880 * config/avr/predicates.md: New file.
1881 * config/avr/avr.md: Include it.
1882 (REG_SP): New constant.
1883 (peepholes): Use predicates.
1884 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1885 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1886 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1888 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1890 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1893 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1896 * builtins.c (var_decl_component_p): New function.
1897 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1898 single entry optimization to variables and components thereof.
1900 2006-10-10 Richard Guenther <rguenther@suse.de>
1902 PR rtl-optimization/29323
1903 * except.c (set_nothrow_function_flags): For functions
1904 that do not bind local bail out early.
1906 2006-10-10 Ben Elliston <bje@au.ibm.com>
1908 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1911 2006-10-09 Richard Henderson <rth@redhat.com>
1913 Revert emutls patch.
1915 2006-10-09 Richard Guenther <rguenther@suse.de>
1918 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1921 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1924 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1925 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1926 * configure: Regenerate.
1927 * config.in: Regenerate.
1929 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1931 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1933 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1935 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1936 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1937 Remove stray newline.
1939 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1941 * config/mips/mips.c (mips_classify_symbol): Do not return
1942 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1943 (mips_in_small_data_p): Tweak comments.
1945 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1947 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1949 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1951 * gimplify.c, sched-int.h: Fix comment typos.
1953 * sched-int.h: Fix comment typos.
1955 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1957 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1959 * sched-ebb.c (begin_schedule_ready): Use them.
1960 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1961 add_to_speculative_block, create_check_block_twin, speculate_insn,
1962 fix_jump_move, move_block_after_check): Ditto.
1963 * sched-rgn.c (new_ready): Ditto.
1965 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1967 PR rtl-optimization/29128
1968 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1969 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1970 allow interblock movement of speculation checks.
1972 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1975 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1976 casted to integer type.
1977 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1978 if they are significantly more expensive than [reg + index] ones.
1980 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1982 PR tree-optimization/29330
1983 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1984 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1985 on newly allocated ddrs.
1986 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1987 to VEC (loop_p, heap) pointer.
1988 (compute_data_dependences_for_loop): Adjust caller.
1989 (free_dependence_relations): Free DDR_LOOP_NEST.
1991 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1992 free DEPENDENCE_RELATIONS and DATAREFS.
1995 * builtins.c (expand_builtin_sync_operation,
1996 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1997 Use convert_to_mode to handle promoted arguments.
1999 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2001 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2003 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2005 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2007 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2009 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2010 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2011 Use <modeconstraint> instead of "r" as operand 1 constraint.
2013 2006-10-06 Olivier Hainque <hainque@adacore.com>
2015 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2016 Don't recurse on the pointed-to type.
2017 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2018 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2019 types with components of variable size.
2021 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2023 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2025 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2027 PR tree-optimization/29290
2028 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2032 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2033 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2036 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2037 the number of vector elements fill the rest with zeros.
2039 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2041 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2042 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2045 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2047 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2048 unnamed pattern into subsi3. Use correct constraints/predicates.
2049 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2050 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2052 2006-10-05 Ira Rosen <irar@il.ibm.com>
2054 * doc/loop.texi: Add data references analysis description.
2056 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2058 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2060 2006-10-04 Richard Henderson <rth@redhat.com>
2061 Jakub Jelinek <jakub@redhat.com>
2063 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2064 * builtin-types.def (BT_WORD): Make unsigned.
2065 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2066 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2067 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2068 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2069 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2070 * cgraph.c (decide_is_variable_needed): Look at force_output.
2071 Recurse for emulated tls.
2072 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2073 checks redundant with decide_is_variable_needed.
2074 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2075 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2077 * expr.c (emutls_var_address): New.
2078 (expand_expr_real_1): Expand emulated tls.
2079 (expand_expr_addr_expr_1): Likewise.
2080 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2081 * output.h (emutls_finish): Declare.
2082 * toplev.c (compile_file): Call it.
2083 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2084 address before wrapping in CONST.
2085 * varasm.c (emutls_htab, emutls_object_type): New.
2086 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2087 (get_emutls_object_name, get_emutls_object_type): New.
2088 (get_emutls_init_templ_addr, emutls_decl): New.
2089 (emutls_common_1, emutls_finish): New.
2090 (assemble_variable): When emulating tls, swap decls; generate
2091 constructor for the emutls objects.
2092 (do_assemble_alias): When emulating tls, swap decl and target name.
2093 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2095 * emutls.c: New file.
2096 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2097 tls_object for real tls.
2099 2006-10-04 Zack Weinberg <zackw@panix.com>
2101 Fix bug in constraint-check generator, reported by Rask Ingemann
2103 * genpreds.c (add_constraint): Don't remove anything from the
2105 (write_tm_constrs_h): Detect whether "op" argument is used, and
2106 mark it ARG_UNUSED if it isn't.
2107 (write_insn_const_int_ok_for_constraint): Skip the part of the
2108 expression that would test whether "op" (which is not available
2109 here) is a CONST_INT.
2111 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2114 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2116 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2118 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2119 current Leopard versions.
2120 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2122 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2124 * doc/install.texi: Fix typos.
2126 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2128 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2129 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2130 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2132 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2134 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2135 arg to be struct mach_header_64* instead.
2137 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2140 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2141 side effects after the outer expression's post side effects.
2143 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2145 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2146 comments to reflect actual behavior and relationship between
2147 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2149 * doc/c-tree.texi (Working with declarations): Fix documentation
2150 of FIELD_DECL likewise.
2152 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2155 * doc/extend.texi: Add used variable attribute description.
2157 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2160 * c.opt (Woverride-init): New.
2161 * c-opts.c (c_common_post_options): Default warn_override_init to
2163 * c-typeck.c (add_pending_init, output_init_element): Warn for
2164 overriding initializers without side effects.
2165 * doc/invoke.texi (-Woverride-init): Document.
2168 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2170 PR rtl-optimization/28096
2171 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2172 assignment has already been used as a destination earlier in the block.
2174 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2176 * builtins.c (expand_builtin_setjmp): Delete.
2177 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2178 <BUILT_IN_SETJMP_SETUP>: New case.
2179 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2180 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2181 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2182 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2183 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2184 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2185 (lower_function_body): Initialize it to false. If it is set to true
2186 at the end of the processing, emit the setjmp dispatcher.
2187 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2188 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2189 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2190 on the rhs of the assignment.
2191 (lower_builtin_setjmp): New function.
2192 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2193 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2194 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2195 to detect calls that can go to non-local labels. Use specific
2196 helper to create the abnormal edges associated with them.
2197 <MODIFY_EXPR>: Likewise.
2198 (make_abnormal_goto_edges): New function extracted from...
2199 (make_goto_expr_edges): ...here. Call it for computed gotos.
2200 (simple_goto_p): Minor tweak.
2201 (tree_can_make_abnormal_goto): New predicate.
2202 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2203 (tree_purge_dead_abnormal_call_edges): New function.
2204 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2205 (tree_purge_dead_abnormal_call_edges): Likewise.
2206 (make_abnormal_goto_edges): Likewise.
2207 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2208 Purge all dead abnormal edges if the call was in the last statement.
2209 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2210 (execute_fixup_cfg): If there are non-local labels in the function,
2211 scan the basic blocks and split them at calls that can go to non-local
2212 labels or add missing abnormal call edges. Write down the CFG in the
2214 (pass_fixup_cfg): Remove TODO_dump_func flag.
2215 * unwind-sjlj.c: Poison setjmp.
2216 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2217 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2218 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2219 (DONT_USE_BUILTIN_SETJMP): Document it.
2221 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2224 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2225 to 1 when __ppc64__ is defined.
2226 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2228 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2230 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2232 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2233 * config/ia64/unwind-hpux.c: Delete.
2235 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2237 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2238 on the element before gimplifying it, instead of punting if it is of
2241 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2243 * doc/loop.texi: New file.
2244 * doc/gccint.texi: Reference loop.texi.
2245 * Makefile.in (loop.texi): Add.
2247 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2249 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2251 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2252 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2254 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2256 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2258 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2260 * doc/install.texi: Document required versions of GMP and MPFR.
2262 2006-09-27 Paul Brook <paul@codesourcery.com>
2265 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2267 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2269 * reload1.c (alter_reg): Require the alignment of the stack slot to
2270 be at least reg_max_ref_width bytes.
2271 (scan_paradoxical_subregs): Record the largest width in
2274 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2278 * tree-nested.c (struct nesting_info): Added static_chain_added.
2279 (convert_call_expr): Set static_chain_added when adding static
2280 chain. Handle OMP_PARALLEL and OMP_SECTION.
2282 2006-09-25 Matthias Klose <doko@debian.org>
2284 * doc/invoke.texi: Add missing full stop.
2286 2006-09-25 Richard Henderson <rth@redhat.com>
2288 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2289 before cgraph_function_flags_ready.
2291 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2292 Adam Nemet <anemet@caviumnetworks.com>
2294 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2295 determine_common_wider_type): New functions.
2296 (get_computation_aff): Use them to simplify arithmetic between
2297 UBASE and CBASE if they are shortened from the same type.
2299 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2302 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2303 -2147483647 - 1 instead of 0x80000000.
2305 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2307 * flags.h (HONOR_NANS): Fix typo in comment.
2309 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2311 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2313 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2317 * tree.c (merge_attributes, attribute_list_contained): If both
2318 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2320 * c-typeck.c (comptypes_internal): Don't consider aggregates
2321 in different TUs as compatible if there one set of attributes is
2322 not a subset of the other type's attributes.
2323 (composite_type): Try harder not to create a new aggregate type.
2325 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2327 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2328 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2329 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2330 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2331 than replicating condition above.
2332 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2334 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2335 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2336 the linker by default.
2338 2006-09-22 Mike Stump <mrs@apple.com>
2340 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2343 2006-09-22 Richard Guenther <rguenther@suse.de>
2346 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2347 sort of stack variables stable.
2349 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2352 * explow.c (force_reg): Set REG_POINTER flag according to
2355 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2357 PR tree-optimization/28888
2358 * tree-if-conv.c (combine_blocks): Rewritten.
2359 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2360 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2362 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2364 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2367 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2369 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2371 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2373 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2375 2006-09-21 Roger Sayle <roger@eyesopen.com>
2378 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2379 dw_fde_current_label, to be the start of the function, i.e. the same
2380 value as dw_fde_begin.
2382 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2384 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2385 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2386 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2387 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2388 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2389 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2390 (abs<mode>2, neg<mode>2): Likewise.
2391 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2392 (*mips_abs_ps): New define_insn.
2394 2006-09-20 Josh Conner <jconner@apple.com>
2397 * calls.c (expand_call): Allow reuse of structure return stack
2400 2006-09-20 Paul Brook <paul@codesourcery.com>
2402 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2405 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2407 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2408 clean up terminology.
2410 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2413 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2414 with tablejumps in them.
2416 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2419 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2420 wrap it into TARGET_EXPR.
2422 2006-09-20 Eric Christopher <echristo@apple.com>
2424 * config/i386/i386.c (x86_fisttp): Remove.
2425 * config/i386/i386.h (x86_fisttp): Ditto.
2426 (TARGET_FISTTP): Ditto.
2428 2006-09-19 Eric Christopher <echristo@apple.com>
2430 * doc/tm.texi (OBJC_JBLEN): Describe.
2431 * config/i386/darwin.h (OBJC_JBLEN): Define.
2432 * config/rs6000/darwin.h: Ditto.
2434 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2436 PR rtl-optimization/21299
2437 * reload1.c (reload): Purge invalid ASMs in the final pass.
2439 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2442 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2443 pointers as legitimate constants.
2445 2006-09-19 Paul Brook <paul@codesourcery.com>
2448 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2450 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2452 PR tree-optimization/28887
2453 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2454 component parts from the reference.
2455 (gather_memory_references_ref): Record the reference without the
2456 nonaddressable component parts.
2458 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2461 * c-opts.c (c_common_handle_option): Ignore the -std options
2462 if the input language is assembly.
2464 2006-09-17 Ira Rosen <irar@il.ibm.com>
2467 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2469 (ptr_ptr_may_alias_p): Likewise.
2470 (record_record_differ_p): New function.
2471 (base_object_differ_p): Call record_record_differ_p.
2473 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2476 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2477 away for the expr argument.
2479 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2482 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2483 before using it for dumping after vectorizing loops.
2485 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2486 Jack Howarth <howarth@bromo.med.uc.edu>
2489 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2490 skip on error_mark_node.
2491 (rs6000_darwin64_record_arg_recurse): Likewise.
2493 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2495 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2496 * doc/rtl.texi: Remove related documentation.
2498 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2500 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2503 2006-09-15 Jim Wilson <wilson@specifix.com>
2505 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2506 Handle symbol offsets same as they are handled in ia64_expand_move
2509 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2511 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2512 Add forgotten parameter to the fprintf call.
2514 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2516 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2518 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2520 * doc/contrib.texi: Add my entry.
2522 2006-09-15 Nick Clifton <nickc@redhat.com>
2524 * doc/md.texi (Processor pipeline description): Fix typo in
2525 example of how to use the absence_set directive and reword the
2526 description to make it slightly easier to read.
2528 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2530 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2531 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2532 expanding the number of iterations.
2533 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2535 * cfgrtl.c (emit_insn_at_entry): New function.
2536 * rtl.h (emit_insn_at_entry): Declare it.
2537 * integrate.c (emit_initial_value_sets): Use it.
2539 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2541 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2543 (struct loop_work and related VEC declarations): Delete.
2544 (bfin_dump_loops): Print out new member bad.
2545 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2546 (bfin_scan_loop): Don't recurse.
2547 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2548 loops. No longer need to update outer loops if the current one is
2549 found bad. Move some validitiy checks to bfin_discover_loop.
2550 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2551 but changed not to check for nesting. Also changed to use the new bad
2553 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2554 time. Use bitmap based test to discover loop nesting.
2556 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2558 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2561 2006-09-14 Richard Guenther <rguenther@suse.de>
2562 Kazu Hirata <kazu@codesourcery.com>
2564 PR middle-end/28884.
2565 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2566 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2567 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2568 with TARGET_FUNCTION_VALUE.
2570 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2573 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2575 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2577 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2580 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2583 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2586 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2588 * basic_block.h (bb_has_eh_pred): Fix comment.
2590 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2592 * flow.c (calculate_global_regs_live): Invalidate eh registers
2593 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2594 (propagate_block): Handle eh registers as if they were set at basic
2596 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2598 * global.c (global_conflicts): Make eh registers to conflict with
2599 pseudos live at basic block begin.
2600 * basic_block.h (bb_has_eh_pred): New function.
2602 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2604 PR rtl-optimization/28982
2605 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2606 index of a PRE_MODIFY or POST_MODIFY address.
2607 * reload1.c (inc_for_reload): Use find_replacement on the original
2608 base and index registers.
2610 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2612 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2613 for -Os. Update __m128 alignment requirement.
2615 2006-09-13 Jan Hubicka <jh@suse.cz>
2617 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2619 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2621 PR rtl-optimization/28243
2622 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2623 the insn to which the note was originally attached.
2625 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2626 Roger Sayle <roger@eyesopen.com>
2628 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2629 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2630 on platforms that don't use dwarf for debug info.
2632 2006-09-12 Jason Merrill <jason@redhat.com>
2635 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2636 hard_frame_pointer_rtx after using it to update the frame pointer.
2638 2006-09-12 Roger Sayle <roger@eyesopen.com>
2640 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2641 (TARGET_ASM_CLOSE_PAREN): Likewise.
2642 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2643 (TARGET_ASM_CLOSE_PAREN): Likewise.
2645 2006-09-12 Roger Sayle <roger@eyesopen.com>
2648 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2649 frame information for frames larger than 512 Kbytes on Tru64 when
2650 using the native assembler.
2652 2006-09-12 Roger Sayle <roger@eyesopen.com>
2656 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2657 and symbols. Instead use the implementation from cse.c's hash_rtx.
2659 2006-09-12 Jan Hubicka <jh@suse.cz>
2661 PR rtl-optimization/28071
2662 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2663 (vect_transform_loop): Likewise.
2664 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2665 (new_loop_vec_info): Likewise.
2666 (destroy_loop_vec_info): Likewise.
2667 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2668 (create_stmt_ann): Likewise.
2669 (create_tree_ann): Rename to ...
2670 (create_tree_common_ann): ... this one; allocate only the common part
2672 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2673 (get_value_handle): Likewise.
2674 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2675 get_tree_common_ann.
2676 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2677 (vinfo_for_stmt): Use stmt annotations.
2678 * tree-flow.h (tree_ann_common_t): New type.
2679 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2680 (tree_ann, get_tree_ann, create_tree_ann): New.
2681 * tree-flow-inline.h (get_function_ann): Do more type checking.
2682 (stmt_ann): Likewise.
2683 (tree_ann): Rename to ...
2684 (tree_common_ann): ... this one; return ony common_ann
2685 (get_tree_ann): Rename to ...
2686 (tree_common_ann): This one; return only common_ann.
2687 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2690 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2692 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2693 with_cpu by default.
2695 * dwarf2out.c (dwarf_file_data): New.
2696 (enum dw_val_class): Add dw_val_class_file.
2697 (struct dw_val_struct): Add val_file.
2698 (file_table): Change to a hash table.
2699 (file_table_emitted): Delete.
2700 (file_table_last_lookup_index): Delete.
2701 (emitcount): Delete.
2702 (last_emitted_file): New.
2703 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2704 (init_file_table): Delete.
2705 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2706 (AT_addr): Add comment.
2710 (print_die): Handle dw_val_class_file.
2711 (print_dwarf_line_table): Update for new file table structure.
2712 (attr_checksum): Do checksum a filename.
2713 (same_dw_val_p, same_attr_p): Do compare a filename.
2714 (size_of_die): Handle dw_val_class_file.
2715 (value_format): Likewise.
2716 (output_die): Likewise. Also, call maybe_emit_file here.
2717 (struct file_info): Constify filenames. Make file_idx a pointer
2718 to a struct dwarf_file_data.
2719 (struct dir_info): Constify directory names. Remove 'used' field.
2720 (struct file_name_acquire_data): New.
2721 (file_name_acquire): New.
2722 (output_file_names): Modify to handle new file data structures.
2723 (add_src_coords_attributes): Use add_AT_file.
2724 (add_call_src_coords_attributes): Likewise.
2725 (dwarf2out_imported_module_or_decl): Likewise.
2726 (gen_subprogram_die): Modify for new file data structures.
2727 (gen_variable_die): Likewise.
2728 (file_table_eq): New.
2729 (file_table_hash): New.
2730 (file_table_last_lookup): New.
2731 (lookup_filename): Rewrite to handle new file data structures.
2732 (maybe_emit_file): Rewrite to handle new file data structures.
2733 (dwarf2out_source_line): Always call lookup_filename and
2735 (dwarf2out_init): Create file_table here.
2736 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2737 (file_table_relative_p): New.
2738 (dwarf2out_finish): Change detection of relative filenames
2739 to work with new file data structures. Move output_line_info call
2740 after debug_info output.
2742 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2747 * config/i386/i386.c (override_options): Always default to 16
2748 byte stack boundary.
2750 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2753 * var-tracking.c (dump_dataflow_set): Start dumping at
2755 (clobber_variable_part): Kill only the variable part in
2756 registers holding it, leaving other variables alone.
2758 2006-09-11 Josh Triplett <josh@freedesktop.org>
2760 * doc/extend.texi (Other Builtins): Actually use the macro
2761 argument in the documentation example for
2762 __builtin_types_compatible_p.
2764 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2766 PR rtl-optimization/28726
2767 * sched-deps.c (sched_analyze_reg): New function extracted from...
2768 (sched_analyze_1): ...here. Call it to analyze references to
2769 registers. Treat again writes to a stack register as writing to the
2771 (sched_analyze_2): ...and here. Call it to analyze references to
2772 registers. Treat again reads of a stack register as reading the
2775 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2776 David Edelsohn <edelsohn@gnu.org>
2779 * config/rs6000/spe.md (frob_df_di): Remove %H.
2780 (frob_di_df): Remove %H. Change evmergelo to mr.
2781 (frob_di_df_2): Remove %H. Change evldd to two loads.
2783 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2785 * doc/cpp.texi: Fix names of charset options.
2787 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2790 * config/i386/i386.c (override_options): Use 128-bit
2791 stack boundary always for 64bits.
2793 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2795 PR rtl-optimization/28636
2796 * combine.c (force_to_mode): Test for side-effects before
2797 substituting by zero.
2798 (simplify_shift_const): Likewise for zero or other constants.
2800 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2803 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2806 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2809 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2810 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2811 returned by mode_for_size, rather than the mode of src itself,
2812 to choose between 32-bit and 64-bit patterns.
2813 (mips_mem_fits_mode_p): New function.
2814 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2815 that the size of the source matches the size of the destination.
2816 (mov_<store>l, mov_<store>r): Likewise.
2818 2006-09-10 Eric Christopher <echristo@apple.com>
2820 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2823 2006-09-09 Eric Christopher <echristo@apple.com>
2826 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2829 2006-09-09 Roger Sayle <roger@eyesopen.com>
2830 Nicolas Setton <setton@adacore.com>
2832 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2834 2006-09-10 Andreas Schwab <schwab@suse.de>
2836 * config/m68k/m68k.md (bungt_rev): New pattern.
2838 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2839 Dale Johannesen <dalej@apple.com>
2842 * regclass.c (struct reg_pref): Update documentation.
2843 (regclass): Set prefclass to NO_REGS if memory is the best option.
2844 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2846 2006-09-08 Eric Christopher <echristo@apple.com>
2848 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2849 * config/t-slibgcc-darwin: Support x86_64 multilib.
2850 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2851 Return 1 for x86_64-darwin.
2852 * config/i386/t-darwin: Add m64 multilib.
2853 (LIB2_SIDITI_CONV_FUNCS): Use.
2854 (LIB2FUNCS_EXTRA): Ditto.
2855 * config/i386/darwin.h: Support x86_64.
2856 * config/i386/i386.c (override_options): Turn on flag_pic
2857 for x86_64-darwin. Disable flag_omit_pointer.
2858 (get_pc_thunk_name): Assert !TARGET_64BIT.
2859 (legitimate_address_p): Disable machopic addressing for
2861 (legitimize_pic_address): Ditto.
2862 (ix86_expand_move): Ditto.
2863 (ix86_expand_call): Ditto.
2864 (machopic_output_stub): Ditto.
2865 * config/darwin.c (machopic_select_section): Support literal16.
2866 (machopic_select_rtx_section): Ditto.
2867 * config/darwin-sections.def: Ditto.
2868 * config/darwin-64.c: New.
2870 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2873 * c-tree.h (struct c_arg_info): Add pending_sizes.
2874 * c-parser.c (c_parser_parms_declarator,
2875 c_parser_parms_list_declarator): Initialize pending_sizes.
2876 * c-decl.c (get_parm_info): Initialize pending_sizes.
2877 (get_parm_info): Set pending_sizes.
2878 (grokdeclarator): Call put_pending_sizes for parameters for
2879 function definition only.
2881 2006-09-07 Jason Merrill <jason@redhat.com>
2884 * varasm.c (output_constant): Only strip actual no-op conversions.
2887 * config/i386/i386.c (override_options): Use 128-bit
2888 stack boundary if -msse.
2890 2006-09-07 Eric Christopher <echristo@apple.com>
2892 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2894 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2897 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2899 * dwarf2out.c: Remove strange characters from comment above
2900 dwarf2out_frame_debug_expr.
2902 2006-09-07 Eric Christopher <echristo@apple.com>
2904 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2905 * config/darwin.h: ... to here.
2907 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2909 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2911 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2912 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2914 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2915 TARGET_PARTIAL_FLAG_REG_STALL.
2916 (*ashldi3_cconly_rex64): Likewise.
2917 (*ashlsi3_cmp): Likewise.
2918 (*ashlsi3_cconly): Likewise.
2919 (*ashlsi3_cmp_zext): Likewise.
2920 (*ashlhi3_cmp): Likewise.
2921 (*ashlhi3_cconly): Likewise.
2922 (*ashlqi3_cmp): Likewise.
2923 (*ashlqi3_cconly): Likewise.
2924 (*ashrdi3_cmp_rex64): Likewise.
2925 (*ashrdi3_cconly_rex64): Likewise.
2926 (*ashrsi3_cmp): Likewise.
2927 (*ashrsi3_cconly): Likewise.
2928 (*ashrsi3_cmp_zext): Likewise.
2929 (*ashrhi3_cmp): Likewise.
2930 (*ashrhi3_cconly): Likewise.
2931 (*ashrqi3_cmp): Likewise.
2932 (*ashrqi3_cconly): Likewise.
2933 (*lshrdi3_cmp_rex64): Likewise.
2934 (*lshrdi3_cconly_rex64): Likewise.
2935 (*lshrsi3_cmp): Likewise.
2936 (*lshrsi3_cconly): Likewise.
2937 (*lshrsi3_cmp_zext): Likewise.
2938 (*lshrhi3_cmp): Likewise.
2939 (*lshrhi3_cconly): Likewise.
2940 (*lshrqi2_cmp): Likewise.
2941 (*lshrqi2_cconly): Likewise.
2943 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2946 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2947 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2948 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2949 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2950 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2951 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2952 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2953 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2954 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2955 implement only CC setting effects of shift instructions.
2957 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2959 * doc/contrib.texi: Add myself.
2961 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2964 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2965 was set by the user.
2967 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2970 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2971 (divsi_inv_m1): Use them.
2972 (UNSPEC_DIV_INV_TABLE): New constant.
2974 2006-09-06 James E Wilson <wilson@specifix.com>
2977 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2978 then call count_or_remove_death_notes.
2980 2006-09-06 Jason Merrill <jason@redhat.com>
2983 * tree-inline.c (copy_result_decl_to_var): New fn.
2984 (declare_return_variable): Use it. Call declare_inline_vars here.
2985 (expand_call_inline): Not here.
2987 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2989 * doc/contrib.texi: Update my entry.
2991 2006-09-06 Nick Clifton <nickc@redhat.com>
2993 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2995 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2998 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2999 (canonicalize_induction_variables): Likewise.
3000 (tree_unroll_loops_completely): Likewise.
3001 (tree_ssa_prefetch_arrays): Likewise.
3002 (remove_empty_loops): Likewise.
3003 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3004 TODO_cleanup_cfg instead of directly calling
3005 cleanup_tree_cfg_loop.
3006 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3008 (tree_unroll_loops_completely): Likewise.
3009 (remove_empty_loops): Likewise.
3010 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3011 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3012 of tree_ssa_unswitch_loops.
3013 (tree_ssa_loop_ivcanon): Use the return value of
3014 canonicalize_induction_variables.
3015 (tree_ssa_empty_loop): Use the return value of
3017 (tree_complete_unroll): Use the return value of
3018 tree_unroll_loops_completely.
3019 (tree_ssa_loop_prefetch): Use the return value of
3020 tree_ssa_prefetch_arrays.
3021 * passes.c (execute_todo): Before Cleanup CFG, set
3022 updating_used_alone and after cleanup CFG, call
3023 recalculate_used_alone.
3025 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3028 * tree-vect-transform.c (vectorizable_condition): Move the check
3029 for the type after the check for simple condition.
3031 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3032 Kaz Kojima <kkojima@gcc.gnu.org>
3035 * mode-switching.c (optimize_mode_switching): Make the destination
3036 block of an abnormal edge have no anticipatable mode. Don't
3037 insert mode switching code at the end of the source block of
3040 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3042 PR rtl-optimization/26847
3043 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3044 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3045 (simplify_plus_minus): Count n_constants while filling ops. Replace
3046 qsort with insertion sort. Before going through the array to simplify
3047 pairs, sort it. Delay early exit until after the first sort, exiting
3048 only if no swaps occurred. Simplify pairs in reversed order, without
3049 special-casing the first iteration. Pack ops after simplifying pairs.
3051 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3053 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3054 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3055 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3056 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3058 2006-09-05 Richard Guenther <rguenther@suse.de>
3060 PR tree-optimization/28900
3061 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3062 compound conditional before creating COND_EXPR condition.
3064 2006-09-05 Richard Guenther <rguenther@suse.de>
3066 PR tree-optimization/28905
3067 * tree-vrp.c (fix_equivalence_set): Manually implement
3068 !value_ranges_intersect_p to also handle symbolic ranges.
3070 2006-09-05 Richard Guenther <rguenther@suse.de>
3073 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3076 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3078 PR rtl-optimization/27616
3079 * cse.c (table_size): New static variable.
3080 (new_basic_block): Initialize it to 0.
3081 (remove_from_table): Decrement it.
3082 (insert): Increment it.
3083 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3084 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3085 fold_rtx_mem_1 if under the cap.
3086 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3087 the lookup of the equivalent expression and test for equality of the
3088 first operand of the equivalent expression before in turn looking up
3089 an equivalent constant for the second operand.
3091 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3094 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3095 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3096 pointer, instead of assuming it is possible to derive the
3097 correct args size from a call insn.
3099 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3102 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3103 (fold_builtin_mempcpy): Rename to...
3104 (fold_builtin_memory_op): ... this. Optimize one element copy
3106 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3108 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3109 (expand_builtin_memcpy, expand_builtin_mempcpy,
3110 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3111 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3112 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3113 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3115 2006-09-01 DJ Delorie <dj@redhat.com>
3117 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3118 (stzx_16): Likewise.
3119 ("stzx_24_<mode>"): Likewise.
3120 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3121 ("cmp<mode>_op"): New.
3122 (cmp<mode>): Change to expander; just save operands.
3124 (b<code>): Change to expander, emit compare here.
3125 (s<code>_op): Change to use split and expander.
3126 (s<code>_24_op): Likewise.
3127 (s<code>_<mode>): New.
3128 (s<code>_<mode>_24): New.
3129 (movqicc_<code>_<mode): New.
3130 (movhicc_<code>_<mode>): New.
3133 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3134 (m32c_pend_compare): New.
3135 (m32c_unpend_compare): New.
3136 (m32c_expand_scc): New.
3137 (m32c_expand_movcc): Emit the compare also.
3138 * config/m32c/predicates.md (mra_nopp_operand): New.
3140 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3141 Richard Guenther <rguenther@suse.de>
3142 Adam Nemet <anemet@caviumnetworks.com>
3145 * builtins.c (get_pointer_alignment): Handle more forms
3146 of base addresses that can be used to derive more precise
3147 information about alignment.
3149 2006-09-01 Jason Merrill <jason@redhat.com>
3152 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3155 * gimplify.c (voidify_wrapper_expr): Handle null type.
3157 2006-09-01 Josh Conner <jconner@apple.com>
3160 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3161 (execute_return_slot_opt): Use it.
3163 2006-08-31 Josh Conner <jconner@apple.com>
3166 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3167 returning aggregates.
3169 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3171 PR tree-optimization/28839
3172 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3173 blocks in that phi arguments appear.
3175 2006-08-31 Roger Sayle <roger@eyesopen.com>
3178 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3179 NULL, otherwise use an advance_loc4 to adjust relative to the
3181 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3182 (dwarf2out_switch_text_section): Reset the current label to avoid
3183 using advance_loc4 over section boundaries.
3185 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3188 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3189 r12 + SYMBOLIC_CONST.
3191 2006-08-30 Richard Guenther <rguenther@suse.de>
3193 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3195 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3197 PR rtl-optimization/27735
3198 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3199 Add new argument to keep track of whether an irreducible region
3200 was affected. All callers changed.
3201 (fix_irreducible_loops): Removed.
3202 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3203 flags were invalidated.
3205 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3207 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3208 instead of SF operands.
3209 (*fop_df_comm_sse): Likewise.
3210 (*fop_df_comm_i387): Likewise.
3211 (*fop_df_1_mixed): Likewise.
3212 (*fop_df_1_sse): Likewise.
3214 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3215 J"orn Rennecke <joern.rennecke@st.com>
3217 PR tree-optimization/17506
3218 * tree-ssa.c (warn_uninit): If warning about a location outside of
3219 the current function, note where the variable was declared.
3221 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3223 PR tree-optimization/28411
3224 * double-int.c (double_int_div): Use double_int_divmod.
3225 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3226 double_int_mod, double_int_smod, double_int_umod): New functions.
3227 * double-int.h (double_int_divmod, double_int_sdivmod,
3228 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3230 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3232 (get_computation_aff, get_computation_cost_at): Handle double_int
3233 return type of constant_multiple_of.
3235 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3238 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3239 an implicit conversion.
3241 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3243 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3245 2006-08-27 Roger Sayle <roger@eyesopen.com>
3247 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3250 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3252 * config/i386/crtfastmath.c: Fix a comment typo.
3254 2006-08-26 Roger Sayle <roger@eyesopen.com>
3256 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3257 temporary visit flags on CASE_LABEL_EXPRs.
3258 * c-common.c (match_case_to_enum): Add function comment. Avoid
3259 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3260 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3261 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3262 a constant, only warn if that constant value isn't handled.
3264 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3267 * input.h (restore_input_file_stack): Declare.
3268 (INPUT_FILE_STACK_BITS): Define.
3269 * toplev.c (fs_p, input_file_stack_history,
3270 input_file_stack_restored, restore_input_file_stack): New.
3271 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3272 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3273 (pop_srcloc): Don't free old state of stack.
3275 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3278 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3279 (PowerPC Type Attributes): New.
3281 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3283 * config/xtensa/xtensa.c (function_arg_boundary): New.
3284 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3286 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3287 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3289 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3292 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3295 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3297 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3298 (verify_local_live_at_start): Likewise.
3300 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3303 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3304 omp_add_variable): Treat sizes as variable whenever not
3307 2006-08-26 Richard Guenther <rguenther@suse.de>
3310 * fold-const.c (fold_binary): Fold temporary to correct
3311 type before constructing new comparison.
3313 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3316 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3317 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3319 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3322 * c-decl.c (start_function): Don't try to process prototype
3323 information from old declaration that isn't a function.
3325 2006-08-25 Jan Hubicka <jh@suse.cz>
3328 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3330 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3333 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3336 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3338 PR tree-optimization/16876
3339 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3340 exit if PARM doesn't match VALUE.
3342 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3344 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3345 literal_prefix directive.
3346 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3347 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3348 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3350 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3353 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3354 predicate to general_operand. Add 0->y and I->r alternatives.
3356 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3358 * doc/tm.texi: Fix a typo.
3359 * predict.c: Fix comment typos.
3361 2006-08-25 Nick Clifton <nickc@redhat.com>
3363 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3364 assertions of "cpu" and "machine".
3366 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3369 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3370 the access through a base which has an alias set of 0 cannot
3373 2006-08-24 Bill Wendling <wendling@apple.com>
3375 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3377 2006-08-24 Jan Hubicka <jh@suse.cz>
3379 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3381 2006-08-24 Jan Hubicka <jh@suse.cz>
3384 * cgraph.c: Fix comments.
3385 (cgraph_varpool_mark_needed_node): Mark only variables not already
3387 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3388 (cgraph_varpool_assembled_nodes_queue): New static variable.
3389 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3390 (cgraph_varpool_output_debug_info): New function.
3391 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3392 * Makefile.in: Add gt-cgraphunit.h
3394 2006-08-24 Jan Hubicka <jh@suse.cz>
3396 * predict.c (probability_reliable_p): New predicate.
3397 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3398 (predict_loops): Do not predict loop exit with less than 2%
3400 * basic-block.h (edge_probability_reliable_p,
3401 br_prob_note_reliable_p): Declare.
3402 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3403 prediction when static predictor is not reliable.
3404 * rs6000.c (output_cbranch): Likewise.
3406 2006-08-23 Stuart Hastings <stuart@apple.com>
3409 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3410 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3412 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3415 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3416 complex values, nor for generic vector values.
3418 2006-08-22 Richard Guenther <rguenther@suse.de>
3421 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3422 parameter. Convert arguments to arithmetic expression to the
3424 (analyze_scalar_evolution_1): Adjust caller.
3426 2006-08-22 Jan Hubicka <jh@suse.cz>
3428 Patch by Paolo Bonzini
3429 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3432 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3434 PR tree-optimization/28003
3435 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3436 before grouping aliases.
3438 2006-08-22 Roger Sayle <roger@eyesopen.com>
3440 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3441 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3443 2006-08-21 Jason Merrill <jason@redhat.com>
3446 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3447 wrapper. Loop to handle nested wrappers.
3448 (gimplify_bind_expr): Remove temp parameter.
3449 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3450 and STATEMENT_LIST on the rhs.
3451 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3452 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3453 (gimplify_target_expr): Remove special BIND_EXPR handling.
3455 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3457 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3460 2006-08-21 Olivier Hainque <hainque@adacore.com>
3462 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3463 Arrange for the temporary captures of components overlapping the lhs
3464 to happen before the lhs is possibly cleared.
3466 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3468 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3469 necessary places to pass the correct "number of registers" values
3472 2006-08-20 Jan Hubicka <jh@suse.cz>
3474 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3475 (create_name_tags): Instead of quadratic checking use hashtable.
3476 * bitmap.h: Include hashtab.h.
3477 (bitmap_hash): Declare.
3478 * bitmap.c (bitmap_hash): New function.
3480 2006-08-20 Jan Hubicka <jh@suse.cz>
3482 PR rtl-optimization/28071
3483 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3485 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3486 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3487 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3488 cgraph_decide_inlining_incrementally): Update use of
3489 cgraph_check_inline_limits.
3490 * cgraph.c (edge_hash, edge_eq): New function.
3491 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3492 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3493 cgraph_remove_node): Maintain call site hash.
3494 * cgraph.h (struct cgraph_node): Add call_site_hash.
3495 (cgraph_set_call_stmt): New function.
3497 2006-08-20 Jan Hubicka <jh@suse.cz>
3499 PR rtl-optimization/28071
3500 * reload1.c (reg_has_output_reload): Turn into regset.
3501 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3502 choose_reload_regs, emit_reload_insns): Update to new
3503 reg_has_output_reload.
3505 2006-08-20 Jan Hubicka <jh@suse.cz>
3508 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3509 function body sizes.
3510 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3512 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3515 * tree.c (handle_dll_attribute): Return early if not a
3516 var or function decl.
3518 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3521 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3522 alignment of SPE vector types.
3524 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3526 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3528 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3531 * cgraph.h (struct cgraph_node): Remove externally_visible
3533 * cgraphunit.c (process_function_and_variable_attributes): Set
3534 local.externally_visible rather than externally_visible.
3537 * c-common.c (handle_externally_visible_attribute): First look
3538 at TREE_CODE and only if it is function or var decl, check for
3539 non-public objects. Don't warn for DECL_EXTERNAL.
3540 * cgraphunit.c (process_function_and_variable_attributes): Warn
3541 if externally_visible attribute is used on non-public object.
3543 2006-08-17 Jan Hubicka <jh@suse.cz>
3545 PR tree-optimization/27865
3546 * reload1.c (forget_marked_reloads): New function.
3547 (forget_old_reloads_1): When data are passed, just mark the registers
3549 (reload_as_needed): Use the new mechanizm.
3551 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3554 * reload.h (reg_equiv_alt_mem_list): New declaration.
3555 * reload1.c (reg_equiv_alt_mem_list): New definition.
3556 (reload): Initialize it and release it.
3557 (delete_output_reload): Use it.
3558 * reload.c (push_reg_equiv_alt_mem): New function.
3559 (find_reloads_toplev): Call it.
3560 (find_reloads_address, find_reloads_address_1): Likewise.
3561 (find_reloads_subreg_address): Likewise.
3563 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3565 PR rtl-optimization/28489
3566 * sched-ebb.c (begin_schedule_ready): Create basic block
3568 (advance_target_bb): Skip empty blocks.
3569 * haifa-sched.c (bb_note): Make global.
3570 * sched-int.h (bb_note): Add prototype.
3572 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3574 PR tree-optimization/27865
3575 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3577 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3578 fold_used_pointer, pointer_used_p): New functions.
3579 (analyze_scalar_evolution_1): Use fold_used_pointer.
3580 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3581 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3584 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3587 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3588 or the INTEGER_CST. Fail on a CALL_EXPR.
3589 (fold_offsetof): Pass new argument to fold_offsetof_1.
3590 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3591 operand into an INDIRECT_REF.
3592 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3594 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3596 PR gcov/profile/26570
3597 * value-prof.c (static_values): Removed.
3598 (tree_find_values_to_profile): Do not set static_values.
3599 (find_values_to_profile): Do not free static_values.
3600 * profile.c (instrument_values): Do not free the values.
3601 (branch_prob): Free the values.
3603 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3605 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3607 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3610 * c-typeck.c (build_component_ref): Combine qualifiers of
3611 structure or union and field.
3613 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3615 PR rtl-optimization/28071
3616 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3617 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3618 * tree-into-ssa.c (struct dom_dfsnum): New.
3619 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3621 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3622 compute_global_livein.
3623 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3624 in phi nodes in the correct blocks.
3626 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3628 PR tree-optimization/28364
3629 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3631 (fold_affine_expr): New function.
3632 (may_eliminate_iv): Use fold_affine_expr.
3634 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3637 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3640 2006-08-16 Mike Stump <mrs@apple.com>
3642 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3643 * doc/cppopts.texi (-MD): Likewise.
3645 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3648 * c-common.c (handle_weak_attribute): Ignore and warn if
3649 not a FUNCTION_ or VAR_DECL.
3651 2006-07-15 Mike Stump <mrs@apple.com>
3654 * c-parser.c (c_parser_typeof_specifier): Don't use
3655 c_finish_expr_stmt, open code desired semantics instead.
3657 2006-08-15 Nick Clifton <nickc@redhat.com>
3659 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3660 fragment to tmake_file only if threads are enabled.
3661 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3662 * config/i386/t-gthr-win32: New file. ... here.
3664 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3667 * c-parser.c (c_parser_compound_statement_nostart): Reset
3668 parser->error after each statement.
3670 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3673 * omp-low.c (lower_omp_parallel): Convert t to
3674 receiver_decl's type.
3675 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3676 source before comparison.
3679 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3680 to itype in assignment to oldival2.
3682 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3686 * c-typeck.c (build_compound_expr): If the second expression
3687 is an error mark, then just return an error mark instead of
3688 creating a COMPOUND_EXPR.
3690 2006-07-14 Mike Stump <mrs@apple.com>
3692 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3694 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3696 * c-decl.c, var-tracking.c: Fix comment typos.
3698 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3700 PR rtl-optimization/28634
3701 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3702 for floating-point modes unless flag_unsafe_math_optimizations.
3704 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3705 Andrew Pinski <pinskia@physics.uc.edu>
3708 * tree.c (build_array_type): Unify array types with
3709 unspecified index_type.
3710 * c-decl.c (grokdeclarator): Make sure we do not modify a
3711 unified incomplete array type.
3712 * c-typeck.c (store_init_value): Create distinct type before
3713 filling in the index type in an initializer from a compound
3716 * c-decl.c (grokdeclarator): Remove code where we copy the
3719 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3721 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3722 into account for TODO_dump_cgraph.
3723 (TODO_update_ssa_no_phi): Likewise.
3724 (TODO_update_ssa_full_phi): Likewise.
3725 (TODO_update_ssa_only_virtuals): Likewise.
3726 (TODO_remove_unused_locals): Likewise.
3727 (TODO_set_props): Likewise.
3728 (TODO_update_stmt_usage): Likewise.
3730 2006-08-13 Dirk Mueller <dmueller@suse.de>
3732 * c-common.c (strict_aliasing_warning): Fix formatting.
3734 2006-08-13 Matthias Klose <doko@debian.org>
3736 * doc/invoke.texi: Fix spelling errors.
3738 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3740 PR rtl-optimization/23454
3741 * reorg.c (relax_delay_slots): Update comment.
3743 2006-08-11 Richard Guenther <rguenther@suse.de>
3746 * simplify-rtx.c (simplify_const_relational_operation):
3747 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3750 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3752 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3753 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3755 2006-08-10 Paul Brook <paul@codesourcery.com>
3757 * final.c (final_scan_insn): Clear current_insn_predicate before
3758 outputting inline asm.
3760 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3762 PR tree-optimization/26197
3763 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3764 get_ref_base_and_extent and overlap_subvar to add only relevant
3765 subvars as may-aliases.
3766 (add_may_alias_for_new_tag): New function, factored out of
3768 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3769 with additional argument.
3770 * tree-flow.h (new_type_alias): Takes additional argument.
3772 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3774 * gcov.c (no_data_file): New flag.
3775 (read_count_file): Set it if data file not present. Assume counts
3777 (output_lines): Don't name the data file, if there wasn't one.
3779 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3781 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3782 (rs6000_generate_compare): Tweak comments.
3783 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3785 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3787 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3788 (var_debug_decl): New function.
3789 (var_reg_set): Follow debug decl link. Add location even if
3790 reg is already known to hold some other variable.
3791 (var_mem_set): Follow debug decl link.
3792 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3793 decl link. Delete other known locations of the variable part
3795 (var_reg_delete, var_mem_delete): Delete other known locations
3796 of the variable part if requested.
3797 (same_variable_part_p): New function.
3798 (add_stores): Select MO_COPY when appropriate.
3799 (vt_initialize): Handle it.
3800 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3801 known locations for MO_SET and MO_CLOBBER.
3802 (find_variable_location_part): New function.
3803 (set_variable_part, delete_variable_part): Use it.
3804 (clobber_variable_part): New function.
3805 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3808 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3810 PR tree-optimization/26969
3811 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3812 with an empty list of PHIs.
3814 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3818 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3821 2006-08-06 Andreas Schwab <schwab@suse.de>
3823 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3824 string. Whitespace and comment fixup.
3826 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3829 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3833 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3836 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3838 2006-08-04 Jan Hubicka <jh@suse.cz>
3842 * reload.c (push_reload): Patch out the mismatching instruction;
3844 (find_reload): Bail out if the instruction was patched out.
3846 2006-08-04 Jan Hubicka <jh@suse.cz>
3848 PR tree-optimization/24888
3849 * tree-inline.c (expand_call_inline): Do not re-record variables.
3850 (declare_inline_vars): Add variable to unexpanded_var_list.
3852 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3853 Roger Sayle <roger@eyesopen.com>
3855 PR rtl-optimization/26244
3856 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3857 inner_const are negative or greater than or equal to the bitsize of
3858 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3859 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3860 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3861 CONST0_RTX (mode) when the new shift count is greater than or equal to
3862 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3865 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3867 * tree-cfg.c: Fix a comment typo.
3869 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3872 * varasm.c (output_constant): Give the front end another chance to
3873 expand constants, after stripping NOPs.
3875 2006-08-03 Jan Hubicka <jh@suse.cz>
3877 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3880 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3882 PR tree-optimization/27770
3883 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3884 declaration removed (moved to tree-flow.h).
3885 (vect_can_force_dr_alignment_p): Likewise.
3886 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3887 (moved from tree-vectorizer.h).
3888 (vect_can_force_dr_alignment_p): Likewise.
3889 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3890 from outside the vectorizer - in particular from cgraph stage.
3891 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3892 the alignment of global arrays when -fsection-anchors is enabled.
3893 * cgraphunit.c (cgraph_increase_alignment): New function.
3894 (cgraph_optimize): Call cgraph_increase_alignment.
3896 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3899 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3900 not reload a SPE symbol_ref into a lo_sum address.
3902 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3905 * dwarf2out.c (prune_unused_types_prune): Move call to
3906 prune_unused_types_update_strings to cover the parent DIE also.
3908 2006-08-02 Jan Hubicka <jh@suse.cz>
3910 PR gcov/profile/28480
3911 * tree-cfg.c (change_bb_for_stmt): New function.
3912 (tree_merge_blocks, tree_split_blocks): Use it.
3914 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3920 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3921 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3922 (cgraph_optimize): Likewise.
3924 2006-08-01 Stuart Hastings <stuart@apple.com>
3926 * rtl.h (UINTVAL) New.
3927 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3928 * testsuite/gcc.dg/20060801-1.c: New.
3930 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3933 * c-typeck.c (build_external_type): Mark used enum types.
3934 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3936 (gen_subprogram_die): Whitespace fix.
3938 2006-08-01 Jan Hubicka <jh@suse.cz>
3940 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3941 bitmap when not needed.
3942 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3945 2006-08-01 Dirk Mueller <dmueller@suse.de>
3947 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3949 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3951 * Makefile.in: Revert part of previous patch:
3952 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3955 2006-07-30 Eric Christopher <echristo@apple.com>
3958 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3959 (PowerPC Variable Attributes): New section.
3961 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3963 PR target/28126 (partial fix)
3964 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3966 2006-07-28 Jan Hubicka <jh@suse.cz>
3968 PR rtl-optimization/28071
3969 * cfgrtl.c (rtl_delete_block): Free regsets.
3970 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3972 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3974 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3975 and variables used in dependencies.
3977 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3979 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3980 %fs for -mcmodel=kernel.
3981 (stack_tls_protect_test_di): Likewise.
3983 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3985 * Makefile.in: Use mkinstalldirs.
3987 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3990 * opts-common.c (prune_options): Skip joined switches.
3992 2006-07-27 Jan Hubicka <jh@suse.cz>
3994 PR rtl-optimization/28071
3995 * cselib.c (cselib_process_insn): Don't remove useless values too
3996 often for very large hashtables.
3998 2006-07-27 Jan Hubicka <jh@suse.cz>
4000 PR rtl-optimization/28071
4001 * global.c (greg_obstack): New obstack.
4002 (allocate_bb_info): Use it.
4003 (free_bb_info): Likewise.
4004 (modify_reg_pav): Likewise.
4006 2006-07-27 Roger Sayle <roger@eyesopen.com>
4008 * builtins.c (fold_fixed_mathfn): When long and long long are the
4009 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4010 functions to their lceil*, lfloor*, lround* and lrint* forms.
4012 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4015 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4017 (rev_branch_insn): Likewise.
4019 2006-07-27 Jan Hubicka <jh@suse.cz>
4021 PR rtl-optimization/28071
4022 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4023 (reg_set_in_bb, max_reg_computed): New static variables.
4024 (regmove_optimize): Free the new array.
4025 (fixup_match_1): Update call of reg_is_remote_constant_p.
4027 2006-07-26 Jan Hubicka <jh@suse.cz>
4029 PR tree-optimization/27882
4030 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4032 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4034 (cgraph_analyze_compilation_unit): Likewise.
4035 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4036 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4037 (cgraph_early_inlinine): Make order garbage collected.
4038 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4040 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4042 * dbxout.c (output_types_sort): Add a comment.
4043 (output_used_types): Free the VEC.
4045 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4047 * function.c (reorder_fix_fragments): Delete.
4048 (reorder_blocks): Don't call it.
4049 (reorder_blocks_1): Put all subblocks under the origin block.
4051 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4053 PR rtl-optimization/27907
4054 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4057 2006-07-25 Roger Sayle <roger@eyesopen.com>
4060 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4061 bar(x) check that bar's result type can represent all the values of T.
4063 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4065 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4067 2006-07-25 Nick Clifton <nickc@redhat.com>
4069 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4070 size_lookup[] array.
4071 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4072 (ggc_pch_count_object): Likewise.
4073 (ggc_pch_alloc_object): Likewise.
4074 (ggc_pch_write_object): Likewise.
4075 (init_ggc): Do not attempt to initialize entries in the
4076 size_lookup[] array for objects whose size is greater than than
4077 the length of the array.
4079 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4081 * dbxout.c (output_used_types_helper): Push queued types
4083 (output_types_sort): New.
4084 (output_used_types): Collect used types on a VEC and sort them
4087 2006-07-24 Richard Guenther <rguenther@suse.de>
4090 * cgraph.c (cgraph_remove_node): Do not check if dumps
4092 * cgraphunit.c (cgraph_optimize): Likewise.
4094 2006-07-24 Jan Hubicka <jh@suse.cz>
4096 PR rtl-optimization/28071
4097 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4098 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4099 splitting before first stmt.
4101 2006-07-24 Jan Hubicka <jh@suse.cz>
4103 PR rtl-optimization/28071
4104 * ipa-inline.c (update_caller_keys): Remove edges that
4105 are no longer inline candidates.
4107 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4110 * dbxout.c (output_used_types_helper, output_used_types): New.
4111 (dbxout_symbol): Call output_used_types.
4113 2006-07-23 Jan Hubicka <jh@suse.cz>
4117 * cgraph.c (cgraph_varpool_nodes): Export.
4118 (decide_is_variable_needed): Ignored "used" attribute in
4119 unit-at-a-time mode.
4120 * cgraph.h (cgraph_varpool_nodes): Declare.
4121 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4122 unit-at-a-time mode.
4124 2006-07-23 Roger Sayle <roger@eyesopen.com>
4127 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4128 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4129 the __gthrw form of thr_keycreate.
4130 (__gthread_key_delete): Silence the unused argument warning.
4132 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4135 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4136 Cache the last found '\0' marker to avoid quadratic behavior.
4138 2006-07-23 Jan Hubicka <jh@suse.cz>
4140 * i386.md (subsi_3_zext): Fix output template.
4142 2006-07-21 Mike Stump <mrs@apple.com>
4144 * doc/invoke.texi (C++ Dialect Options): Note that
4145 -fvisibility-inlines-hidden doesn't affect explicitly
4146 instantiationed inline methods.
4148 2006-07-20 Roger Sayle <roger@eyesopen.com>
4150 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4151 if the target assembler is GNU binutils' gas.
4152 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4153 whether to pass GNU gas or native as command line options.
4155 2006-07-20 Jason Merrill <jason@redhat.com>
4157 * tree.c (remove_attribute): New fn.
4158 * tree.h: Declare it.
4160 2006-07-20 Paul Brook <paul@codesourcery.com>
4163 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4164 they are invalidated by this instruction.
4166 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4169 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4171 2006-07-20 Eric Christopher <echristo@apple.com>
4174 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4176 2006-07-19 Eric Christopher <echristo@apple.com>
4178 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4179 Rewrite dependencies for libgcc_s.1.dylib.
4181 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4183 * except.c (duplicate_eh_regions_1): Clear next_peer.
4185 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4187 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4188 -mlongcall does not guarantee all calls will be long.
4189 * doc/extend.texi (long_call/short_call): Document that longcall
4190 does not guarantee a long call will be used.
4191 (longcall/shortcall): Likewise.
4193 2006-07-18 Roger Sayle <roger@eyesopen.com>
4196 * expmed.c (expand_shift): Additionally check that the shift_cost
4197 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4198 before implementing a LSHIFT_EXPR as a sequence of additions.
4199 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4200 middle-end that DImode shifts need to be synthesized by expand.
4202 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4205 * tree-ssa-operands.c (access_can_touch_variable): Update
4207 Return true if ALIAS is .GLOBAL_VAR.
4209 2006-07-18 David Daney <ddaney@avtrex.com>
4211 * gcc.c (display_help): Fix typo in help text.
4213 2006-07-18 Olivier Hainque <hainque@adacore.com>
4215 * tree.h (categorize_ctor_elements): Adjust prototype and add
4216 descriptive comment, both in accordance with the interface change
4218 * varasm.c (constructor_static_from_elts_p): New function.
4219 Whether a constructor node is a valid static constant initializer
4220 if all its elements are.
4221 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4222 * output.h: Declare it.
4223 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4224 is a valid constant initializer instead of computing the number of
4225 non-constant elements. Use constructor_static_from_elts_p for this
4226 purpose. Replace the head comment with an indication that this is a
4227 helper for categorize_ctor_elements.
4228 (categorize_ctor_elements): Same interface change as for the _1
4229 helper. Former head comment from this helper moved here, adjusted to
4230 account for the interface changes.
4231 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4232 (all_zeros_p): Likewise.
4233 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4234 static versions of the constructor from the categorize_ctor_elements
4235 return value instead of the formerly computed number of non-constant
4238 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4240 * configure: Regenerate.
4241 * Makefile.in (build_libsubdir): New configure substitution
4242 (build_libobjdir): New variable.
4243 (BUILD_LIBIBERTY): Use it.
4245 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4248 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4250 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4253 * c-common.c (handle_weakref_attribute): Ignore attribute in
4254 the same conditions the alias attribute is ignored.
4256 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4258 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4259 (dbxout_begin_prologue): Increment scope_labelno.
4261 2006-07-17 Richard Henderson <rth@redhat.com>
4264 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4267 2006-07-17 Roger Sayle <roger@eyesopen.com>
4268 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4270 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4271 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4272 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4273 functions such as sbrk, write, etc.. Add function prototypes.
4274 Convert function declarations from K&R to ISO C. Cast pointers
4275 to "long" and "unsigned long" instead of "int" and "unsigned int".
4276 Convert tokens following #endif into comments.
4278 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4280 * invoke.texi: Remove mention of f77; Reformat table for
4281 inline parameter options correctly; mention that -malign-double
4282 is default on x86-64 targets.
4284 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4286 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4287 (convert_affine_scev, chrec_convert_aggressive): Use
4288 avoid_arithmetics_in_type_p. Do not check for the subtypes
4291 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4294 * optabs.c (expand_doubleword_shift): Wrap the call to
4295 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4297 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4300 * optabs.c (expand_binop): Pass next_methods rather than methods
4301 to expand_doubleword_shift.
4303 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4306 * tree.h (dump_addr): Declare.
4307 * print-tree.c (dump_addr): New function.
4308 (print_node_brief, print_node): Use it.
4309 * print-rtl.c (print_rtx): Likewise.
4310 * common.opt (-fdump-noaddr): New option.
4311 * doc/invoke.texi (-fdump-noaddr): Document.
4312 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4313 (ve_info_hash): Likewise.
4315 2006-07-13 Andrew Haley <aph@redhat.com>
4317 PR tree-optimization/19505
4318 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4319 edge leaving this block, make sure that the destination of this
4320 block has only one predecessor.
4322 2006-07-17 Richard Guenther <rguenther@suse.de>
4324 PR tree-optimization/28238
4325 * tree-inline.c (copy_bb): Check if we produced valid
4326 gimple copying and substituting a stmt. If not, gimplify
4329 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4331 * optabs.c (maybe_encapsulate_block): New function extracted from...
4332 (emit_libcall_block): ...here. Invoke it on the block of insns to
4333 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4334 (emit_no_conflict_block): Likewise.
4336 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4338 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4340 2006-07-15 Roger Sayle <roger@eyesopen.com>
4342 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4343 a new NOP_EXPR case of the switch statement.
4345 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4348 * stor-layout.c (place_field): Take the bit field with
4349 an excessive size into account in the ms-bitfiled case.
4352 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4353 the previous bit field.
4355 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4358 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4360 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4362 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4363 signal frames correctly even when the signal was installed with
4366 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4368 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4369 (dbxout_function_end): Use local label LFBB. Remove hook
4371 (dbxout_source_line): Use local label LFBB.
4372 (dbxout_block): Likewise.
4373 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4374 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4375 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4376 and DBX_OUTPUT_NFUN.
4378 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4380 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4382 2006-07-13 Jan Hubicka <jh@suse.cz>
4384 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4386 * output.h (align_variable): Declare.
4387 * varasm.c (align_variable): Export.
4388 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4389 when basic block changed.
4391 2006-07-13 Nick Clifton <nickc@redhat.com>
4393 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4394 walking the LOG_LINKS chain.
4396 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4398 * doc/invoke.texi (C++ Dialect Options): Explain difference
4399 between -fvisibility-inlines-hidden and setting hidden
4400 visibility explicitly.
4402 2006-07-12 Eric Christopher <echristo@apple.com>
4404 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4405 (stmp-lipo): Depend on libgcc.a.
4407 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4409 * tree.c: Fix a comment typo.
4411 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4413 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4415 (umulhisi3_r): Likewise.
4417 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4420 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4421 x < 19, vs wchar_t support.
4423 2006-07-12 Nick Clifton <nickc@redhat.com>
4425 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4426 instead of -isa=sh4.
4428 2006-07-12 Mike Stump <mrs@apple.com>
4430 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4432 2006-07-10 Eric Christopher <echristo@apple.com>
4434 * config/t-slibgcc-darwin: Rewrite.
4436 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4439 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4442 2006-07-08 Matthias Klose <doko@debian.org>
4444 * doc/sourcebuild.texi: Fix typo.
4446 2006-07-07 Mike Stump <mrs@apple.com>
4448 * toplev.c (process_options): Don't give -ffunction-sections may
4449 affect debugging warning for Mach-O.
4451 2006-07-07 James E Wilson <wilson@specifix.com>
4453 * config/mips/mips.md (cpu): Add sb1a.
4454 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4455 addition to sb1. Adjust comments to clarify SB-1A differences from
4457 (ir_sb1a_load): New. Modify bypasses to use it.
4458 (ir_sb1a_simple_alu): Likewise.
4459 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4460 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4461 (mips_issue_rate): Add PROCESSOR_SB1A.
4462 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4463 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4464 (TARGET_SB1): Add PROCESSOR_SB1A check.
4465 (TUNE_SB1): Likewise.
4467 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4468 * config/mips/mips.c (mips_store_data_bypass_p): New.
4469 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4470 store_data_bypass_p.
4472 2006-07-08 Paul Brook <paul@codesourcery.com>
4475 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4477 2006-07-07 Richard Guenther <rguenther@suse.de>
4480 * tree.h (build_one_cst): Declare.
4481 * tree.c (build_one_cst): New function.
4482 * tree-ssa-math-opts.c (get_constant_one): Remove.
4483 (insert_reciprocals): Use build_one_cst.
4484 * fold-const.c (fold_plusminus_mult): Likewise.
4486 2006-07-07 Roger Sayle <roger@eyesopen.com>
4488 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4489 * cfgloopanal.c (dump_graph): Likewise.
4490 * dojump.c (discard_pending_stack_adjust): Likewise.
4491 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4493 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4494 * function.c (finalize_block_changes): Likewise.
4495 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4496 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4497 * rtl.c (dump_rtx_statistics): Likewise.
4498 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4500 * varray.c (dump_varray_statistics): Likewise.
4501 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4502 decode_decimal64, encode_decimal128, decode_decimal128,
4503 decimal_real_to_decimal): Likewise.
4505 2006-07-07 Richard Guenther <rguenther@suse.de>
4507 PR tree-optimization/28187
4508 * tree-vrp.c (vrp_operand_equal_p): New function.
4509 (vrp_bitmap_equal_p): Likewise.
4510 (update_value_range): Use them to compare old and new
4513 2006-07-06 Roger Sayle <roger@eyesopen.com>
4515 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4516 a default case to switch statement to silence compiler warnings.
4518 2006-07-06 Roger Sayle <roger@eyesopen.com>
4521 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4522 the configured assembler supports the x87's ffreep mnemonic.
4523 * configure: Regenerate.
4524 * config.in: Regenerate.
4526 * config/i386/i386.c (output_387_ffreep): New function.
4527 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4528 (output_387_reg_move): Likewise.
4530 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4532 Port to hosts whose 'sort' and 'tail' implementations
4533 treat operands with leading '+' as file names, as POSIX
4534 has required since 2001. However, make sure the code still
4535 works on pre-POSIX hosts.
4536 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4537 which says you should use "tail -c +N" rather than "tail +Nc".
4538 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4540 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4542 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4545 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4548 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4549 PRE_{INC,DEC} of TFmode.
4551 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4552 Alan Modra <amodra@bigpond.net.au>
4555 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4558 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4561 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4562 Remove duplicate gtu.
4564 2006-07-05 Jason Merrill <jason@redhat.com>
4568 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4569 * c-common.c (handle_packed_attribute): So don't copy it here.
4570 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4572 2006-07-05 Mike Stump <mrs@apple.com>
4574 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4576 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4579 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4581 2006-07-05 Richard Guenther <rguenther@suse.de>
4584 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4585 TARGET_SSE2 targets if using SSE math.
4586 (*absdf2_1): Likewise.
4588 2006-07-05 Richard Guenther <rguenther@suse.de>
4590 PR tree-optimization/28162
4591 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4592 make sure to convert the operands to the correct type.
4594 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4596 PR tree-optimization/28218
4598 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4599 to calculate and free the dominator information.
4601 2006-07-04 Peter O'Gorman <peter@pogma.com>
4603 * mklibgcc.in: chmod 644 before ranlib during install.
4605 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4606 J"orn Rennecke <joern.rennecke@st.com>
4608 * configure.ac (.eh_frame data check): Use diff -b.
4610 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4613 * Makefile.in (BUILD_RTL): Add build/vec.o.
4614 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4615 (build/genextract): Delete.
4616 (build/genautomata): Likewise.
4618 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4621 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4622 128-bit IBM long doubles for ABI_V4.
4624 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4626 * tree.c (range_in_array_bounds_p): New predicate.
4627 * tree.h (range_in_array_bounds_p): Declare it.
4628 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4629 return a less conservative answer.
4630 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4631 and flag 'is_group'.
4632 (IS_ELEMENT_FOR_GROUP): New macro.
4633 (FOR_EACH_ACTUAL_CHILD): Likewise.
4634 (next_child_for_group): New helper function.
4635 (can_completely_scalarize_p): Take into account groups.
4636 (sra_hash_tree): Handle RANGE_EXPR.
4637 (sra_elt_eq): Likewise.
4638 (lookup_element): Be prepared for handling groups.
4639 (is_valid_const_index): Delete.
4640 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4641 instead of is_valid_const_index.
4642 <ARRAY_RANGE_REF>: New case.
4643 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4644 is_valid_const_index.
4645 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4646 (scan_dump): Dump info for groups too.
4647 (decide_instantiation_1): Likewise.
4648 (decide_block_copy): Assert that the element is not a group.
4649 Propagate decision to groups.
4650 (generate_one_element_ref): Handle RANGE_EXPR.
4651 (mark_no_warning): Iterate over actual childs.
4652 (generate_copy_inout): Likewise.
4653 (generate_element_copy): Likewise.
4654 (generate_element_zero): Likewise.
4655 (generate_element_init_1): Likewise.
4656 (dump_sra_elt_name): Handle RANGE_EXPR.
4658 2006-07-03 Roger Sayle <roger@eyesopen.com>
4660 PR tree-optimization/26251
4661 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4662 (thread_block): When optimizing for size refuse to thread jumps
4663 that would require duplication of blocks other than redirection
4666 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4668 * configure.ac: Fix thinko in previous check-in.
4669 * configure: Regenerate.
4671 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4674 * configure.ac (for lang...): Simplify nesting of conditionals.
4675 Test subdir_requires for non-enabled languages. Move processing
4676 of lang_opt_files and lang_tree_fiels below that test.
4677 * configure: Regenerate.
4678 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4680 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4682 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4684 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4686 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4689 2006-06-29 Jason Merrill <jason@redhat.com>
4696 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4697 * c-common.c (c_determine_visibility): Handle it here.
4698 * c-decl.c (finish_decl): Call c_determine_visibility for
4700 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4702 * varasm.c (default_assemble_visibility): Likewise.
4703 * c-common.c (handle_visibility_attribute): Complain about trying
4704 to give visibility to an already defined class, or trying to change
4705 declared visibility. Always attach the attribute.
4710 * attribs.c (decl_attributes): Ignore type-in-place attributes
4711 once the type has been defined.
4713 2006-06-29 Roger Sayle <roger@eyesopen.com>
4716 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4717 to indicate the cpplib has issued an error message for us.
4719 2006-06-29 Asher Langton <langton2@llnl.gov>
4722 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4723 insert a label at the end of an function under Mach-O.
4725 2006-06-29 Eric Christopher <echristo@apple.com>
4726 Evan Cheng <evan.cheng@apple.com>
4728 * predicates.md (vector_all_ones_operand): New.
4729 (nonimmediate_or_sse_const_operand): Ditto.
4730 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4731 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4732 (standard_sse_mode_p): Ditto.
4733 (standard_sse_constant_p): Add case for -1 vector.
4734 (ix86_expand_vector_move): Try to use.
4735 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4736 Call standard_sse_constant_opcode.
4737 (*movv4sf_internal): Ditto.
4738 (*movv2df_internal): Ditto.
4740 2006-06-29 Roger Sayle <roger@eyesopen.com>
4742 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4743 of XEXP to extract the operands of a MATCH_CODE rtx.
4745 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4747 * tree.c (tree_size): Do not waste tail padding in
4748 struct tree_string and make the size be the same as
4749 build_string will generate.
4751 2006-06-28 Jason Merrill <jason@redhat.com>
4754 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4755 may_aliases already in the tag's annotations to the bitmap.
4757 2006-06-28 Roger Sayle <roger@eyesopen.com>
4759 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4761 2006-06-28 Roger Sayle <roger@eyesopen.com>
4763 * genpreds.c (generate_switch_p): New function.
4764 (add_mode_tests): Push the new mode test down inside an AND expr
4765 if this allows the switch-suitable MATCH_CODE to be near the root.
4766 (write_match_code_switch): New function to write a MATCH_CODE as
4768 (write_predicate_stmts): New function to write a predicate RTX
4769 expression as a sequence of statements.
4770 (write_one_predicate_function): Use write_predicate_stmts.
4771 (write_tm_constrs_h): Likewise.
4773 2006-06-26 Fred Fish <fnf@specifix.com>
4775 * config/mips/t-sb1: New file.
4776 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4779 2006-06-26 DJ Delorie <dj@redhat.com>
4781 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4783 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4784 Jayant Sonar <jayants@kpitcummins.com>
4785 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4787 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4788 (subsi3, subsi3_1, subsi3_2): New.
4789 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4790 * config/m32c/mov.md (SI mov peephole): New.
4791 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4792 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4794 2006-06-26 Olivier Hainque <hainque@adacore.com>
4796 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4797 a CALL_EXPR target function declaration.
4799 2006-06-26 Richard Guenther <rguenther@suse.de>
4801 * tree.c (build_string): Do not waste tail padding in
4804 2006-06-26 Richard Guenther <rguenther@suse.de>
4806 * ggc-page.c (init_ggc): Add missing element to size_lookup
4810 2006-06-23 Richard Guenther <rguenther@suse.de>
4812 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4813 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4814 alignment requests instead. Add verification code.
4815 Add struct tree_function_decl and struct tree_binfo size to
4816 extra_order_size_table. Add missing element to size_lookup
4819 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4822 * fold-const.c (const_binop): Be prepared for self returning zero.
4823 Simplify code handling complex values.
4825 2006-06-24 Olivier Hainque <hainque@adacore.com>
4827 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4828 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4831 2006-06-24 Olivier Hainque <hainque@adacore.com>
4833 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4834 ARRAY_REF, so have the callback called for the low bound expression.
4836 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4838 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4839 * c-typeck.c (c_common_type): Disallow operations on decimal float
4840 types and other float types.
4841 * convert.c (convert_to_real): Don't ignore conversions involving
4842 decimal float types.
4844 2006-06-23 Olivier Hainque <hainque@adacore.com>
4846 * tree.c (max_int_size_in_bytes): New function, inspired from
4847 code in function.c:assign_temp.
4848 * tree.h (max_int_size_in_bytes): Declare.
4849 * function.c (assign_temp): Use it.
4850 * gimplify.c (create_tmp_var): Relax the assertions on the type
4851 properties, not mandating constant size any more.
4852 (force_constant_size): New static function.
4853 (gimple_add_tmp_var): Use it, forcing variable size to a
4854 constant upper bound if it is not constant on entry.
4856 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4859 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4860 for initialization and setting of one_only flag to ...
4861 (i386_pe_encode_section_info): ...here.
4862 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4863 Recheck that the symbol has not been defined.
4865 2006-06-23 Richard Guenther <rguenther@suse.de>
4867 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4868 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4869 alignment requests instead. Add verification code.
4870 Add struct tree_function_decl and struct tree_binfo size to
4871 extra_order_size_table. Add missing element to size_lookup
4874 2006-06-22 Roger Sayle <roger@eyesopen.com>
4875 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4878 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4879 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4881 2006-06-23 Ben Elliston <bje@au.ibm.com>
4883 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4884 negate dn -- manipulate it directly.
4886 2006-06-22 Roger Sayle <roger@eyesopen.com>
4887 Steven Bosscher <stevenb.gcc@gmail.com>
4890 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4891 generated by gen_move_insn to add REG_LABEL notes if necessary.
4893 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4895 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4896 (leaf_entry): Remove use of MIN_ESA.
4898 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4900 PR rtl-optimization/28121
4901 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4904 2006-06-21 DJ Delorie <dj@redhat.com>
4906 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4908 (mulhisi3_r): Likewise.
4910 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4913 * coverage.c (coverage_counter_alloc): Leave the index type
4915 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4918 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4920 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4921 section from the "Options for Code Generation Conventions".
4923 2006-06-21 Richard Henderson <rth@redhat.com>
4927 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4929 (global_symbolic_operand): Allow weak symbols, even if local_p.
4931 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4933 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4934 (find_interesting_uses_address): Punt if above function returns true.
4936 2006-06-21 Richard Guenther <rguenther@suse.de>
4938 * configure: Regenerated.
4940 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4942 * config/mips/mips.c (function_arg): Where one part of a
4943 complex argument is in registers and the other part in the stack,
4944 return a REG not a PARALLEL.
4946 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4948 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4949 when cross-compiling. Do not substitute libstdcxx_incdir.
4950 * configure: Regenerated.
4952 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4954 * varasm.c (mergeable_string_section): Check for embedded NULs and
4955 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4956 rather than TREE_STRING_LENGTH bytes.
4958 2006-06-21 Richard Guenther <rguenther@suse.de>
4960 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4961 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4964 2006-06-21 Richrad Guenther <rguenther@suse.de>
4966 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4967 Limit iteration over the dominators.
4969 2006-06-20 Roger Sayle <roger@eyesopen.com>
4971 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4972 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4974 2006-06-20 Richard Guenther <rguenther@suse.de>
4975 Michael Matz <matz@suse.de>
4977 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4979 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4980 * et-forest.h (et_free_pools): Prototype new function.
4981 * et-forest.c (et_free_tree_force): Free parent occurrence.
4982 (et_free_pools): New function.
4983 * dominance.c (free_dominance_info): Free et-forest alloc
4986 2006-06-20 Roger Sayle <roger@eyesopen.com>
4988 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4989 integer modes, attempt to directly construct an integer constant.
4991 * fold-const.c (native_encode_vector): Determine the size of each
4992 element from the vector type instead of the first vector element.
4994 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4995 if all of its elements/components are constant.
4996 (build_constructor_from_list): Likewise.
4998 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5000 PR tree-optimization/27331
5001 * tree-data-ref.c (free_data_ref): New function.
5002 (create_data_ref): Fail if the data reference has unknown access
5004 (free_data_refs): Use free_data_ref.
5006 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5009 * tree-inline.c (setup_one_parameter): Strip useless
5010 type conversion before adding it to the IR.
5011 (declare_return_variable): Likewise.
5013 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5016 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5018 2006-06-19 Mike Stump <mrs@apple.com>
5020 * tree.c (variably_modified_type_p): VM arguments don't make the
5023 2006-06-19 Richard Guenther <rguenther@suse.de>
5025 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5026 type conversions after folding.
5028 2006-06-19 Richard Guenther <rguenther@suse.de>
5030 * ggc-page.c (extra_order_size_tab): Add entries with
5031 size of struct function and basic_block.
5032 (size_lookup): Extend to cover sizes up to 511.
5033 (ggc_alloc_stat): Adjust user.
5034 (ggc_pch_count_object): Likewise.
5035 (ggc_pch_alloc_object): Likewise.
5036 (ggc_pch_write_object): Likewise.
5038 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5040 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5041 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5044 2006-06-19 Denis Chertykov <denisc@overta.ru>
5046 * config/avr/libgcc.S : Correct my wrong previous commit.
5048 2006-06-19 Roger Sayle <roger@eyesopen.com>
5051 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5052 have stripped a SUBREG from the shift count, so we may need to
5053 convert_to_mode back to the type's mode before calling make_tree.
5054 Use new_amount instead of amount to avoid expanding a tree twice.
5056 2006-06-19 Richard Guenther <rguenther@suse.de>
5059 * fold-const.c (operand_equal_p): Check if the argument types
5060 have the same precision before stripping NOPs.
5062 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5064 Fix PR tree-optimization/27341
5065 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5067 * tree-complex.c (pass_lower_complex): Update SMT usage.
5069 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5071 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5072 Add a new alternative to the constraint strings. Add move of
5073 operand 1 to 3 to the splitter definition.
5074 ("doloop_si_long"): Second contraint alternative removed.
5076 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5078 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5079 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5081 (AVR_HAVE_MOVW) Define.
5082 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5083 (ASM_SPEC): Add avr25.
5084 (LINK_SPEC): Add avr25.
5085 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5086 (base_arch_s): Add new member 'have_movw_lpmx'.
5087 (avr_arch_types): Init 'have_movw_lpmx'.
5088 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5089 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5090 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5091 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5092 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5094 (avr_file_start): Do not output '.arh' derective.
5095 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5096 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5097 * config/avr/avr.md (mcu_enhanced): Delete.
5098 (mcu_have_movw): Define.
5099 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5100 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5101 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5102 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5103 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5104 attiny861 and at86rf401 devices.
5106 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5108 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5111 2006-06-17 Karl Berry <karl@gnu.org>
5113 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5114 doc/gccint.texi, doc/install.texi (@dircategory): Use
5115 "Software development" instead of "Programming", following
5116 the Free Software Directory.
5118 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5120 * config/i386/i386.c (legitimate_tls_address)
5121 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5122 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5123 (*tls_dynamic_gnu2_combine_64): Likewise.
5125 2006-06-16 Richard Guenther <rguenther@suse.de>
5128 * fold-const.c (negate_expr_p): Do not introduce undefined
5129 overflow in negating INTEGER_CSTs.
5130 (fold_negate_expr): Rename from negate_expr. Revert last
5131 change for folding BIT_NOT_EXPR. Change semantics to
5132 return NULL_TREE for non-simplified negations. Do not
5133 strip type conversions and unify type handling.
5134 (negate_expr): New function, wrap around fold_negate_expr
5135 but ensure building a tree always. Strip type conversions
5136 here, fold to result type.
5137 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5139 2006-06-16 Roger Sayle <roger@eyesopen.com>
5142 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5143 that (would) return their results in stack registers.
5145 2006-06-16 Michael Matz <matz@suse.de>
5146 Richard Guenther <rguenther@suse.de>
5148 * fold-const.c (fold_truthop): Only return new tree node if
5149 we canonicalized something.
5151 2006-06-16 Richard Guenther <rguenther@suse.de>
5153 * function.h (enum function_frequency): Move declaration
5154 out of struct function.
5155 (struct function): Move bool fields and the enum to the bitfield
5156 section. Reorder elements to avoid padding. Remove unused
5157 fields left over from the RTL inliner removal.
5158 * function.c (free_after_compilation): Do not zero removed fields.
5159 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5160 (ipa-type-escape.o): Likewise.
5162 2006-06-16 Richard Guenther <rguenther@suse.de>
5164 * cgraph.h (struct cgraph_local_info): Turn bool elements
5166 (struct cgraph_node): Likewise.
5167 (struct cgraph_varpool_node): Likewise.
5169 2006-06-15 Richard Guenther <rguenther@suse.de>
5171 * fold-const.c (fold_truth_not_expr): Rename from
5172 invert_truthvalue. Give it fold_* semantics to avoid
5174 (invert_truthvalue): New function. Wrapper around
5175 fold_truth_not_expr.
5176 (optimize_minmax_comparison): Avoid creating garbage.
5177 (fold_unary): Use fold_truth_not_expr for folding
5179 (fold_ternary): Replace uses of invert_truthvalue with
5180 fold_truth_not_expr where applicable.
5181 * tree.h (fold_truth_not_expr): Prototype.
5183 2006-06-16 Richard Guenther <rguenther@suse.de>
5185 PR tree-optimization/27781
5186 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5187 * ipa-pure-const.c (target.h): Include.
5188 (analyze_function): Do not analyze functions that do not
5191 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5194 * tree-dfa.c (referenced_vars_dup_list): Remove.
5195 (find_referenced_vars): Remove assert.
5196 (referenced_var_check_and_insert): Replace dup list with assert.
5197 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5198 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5200 2006-06-15 Richard Guenther <rguenther@suse.de>
5202 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5203 extra unused identifiers if not dumping.
5204 (create_variable_info_for): Likewise.
5206 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5208 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5209 (derive_constant_upper_bound): Derive more precise upper bound in
5210 common cases. Return type changed to double_int.
5211 (record_estimate): Reflect the changed return type of
5212 derive_constant_upper_bound.
5213 * double-int.c (double_int_zext, double_int_sext): Fix.
5215 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5217 * configure.ac (CFLAGS): Get them from the toplevel or from the
5218 configure invocation.
5219 * configure: Regenerate.
5220 * Makefile.in (CFLAGS): Substitute value provided by configure.
5222 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5225 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5226 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5227 rather than calling add_stmt on it.
5228 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5230 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5233 * reload1.c (reload): Remove registers returned by update_eliminables
5234 from used_spill_regs.
5236 2006-06-13 DJ Delorie <dj@redhat.com>
5238 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5240 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5242 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5243 html__strip_dir, html__mkdir_p. Enhance install-html target.
5244 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5245 * configure: Regenerate.
5247 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5249 * fold-const.c (fold_cond_expr_with_comparison): Check for
5250 Objective-C++ as language in deciding COND_EXPR transformation.
5252 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5255 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5256 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5257 * config/sh/lib1funcs.h (SL, SL1): Define.
5258 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5259 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5260 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5261 (OBJS_Os_4_200): New variable.
5262 ($(T)libgcc-Os-4-200.a): Use it.
5263 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5264 when dividing 1 and/or by 0.
5266 2006-06-13 Roger Sayle <roger@eyesopen.com>
5268 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5269 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5270 * configure: Regenerate.
5272 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5274 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5275 for real instruction.
5277 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5280 * haifa-sched.c (check_cfg): Handle special case.
5282 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5285 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5286 Add debug_info parameter. Chain the vars to the BLOCK instead
5287 of the BIND_EXPR if debug info are requested for them.
5288 (pop_gimplify_context): Adjust for above change.
5289 (gimple_add_tmp_var): Likewise.
5290 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5292 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5293 (convert_local_reference): Likewise.
5294 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5295 (finalize_nesting_tree_1): Request that debug info be emitted
5296 for debug_var_chain.
5298 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5300 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5301 for PR target/27863.
5303 2006-06-13 Richard Guenther <rguenther@suse.de>
5306 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5308 2006-06-13 Richard Guenther <rguenther@suse.de>
5310 PR tree-optimization/27830
5311 * tree-inline.c (copy_body_r): For copying the operand
5312 of an ADDR_EXPR make sure to fold &* afterwards.
5314 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5316 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5317 lvalues in the fb_none case with side-effects.
5319 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5321 * tree-flow.h: Remove the prototype for
5322 compute_phi_arg_on_exit.
5323 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5324 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5327 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5329 * builtins.c (expand_builtin_return_addr): Only use
5330 frame_pointer_rtx when count == 0 and we are expanding
5331 __builtin_return_address.
5333 2006-06-12 Fred Fish <fnf@specifix.com>
5335 * config/mips/mips.c (mips_file_start): Create special section
5336 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5338 2006-06-11 Eric Christopher <echristo@apple.com>
5341 * stor-layout.c (place_field): Remove check for
5342 remaining_in_alignment when aligning at the end of a run.
5344 2006-06-11 Eric Christopher <echristo@apple.com>
5347 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5350 2006-06-11 Roger Sayle <roger@eyesopen.com>
5353 Revert incorrect fix for PR target/27158
5354 2006-05-08 Roger Sayle <roger@eyesopen.com>
5355 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5356 of a reg_equiv_constant if the result is a legitimate constant.
5358 2006-06-11 Roger Sayle <roger@eyesopen.com>
5361 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5362 extract a CONST_VECTOR element and interpret it as an integer.
5363 (vspltis_constant): Use const_vector_elt_as_int instead of the
5364 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5365 * config/rs6000/predicates.md (easy_vector_const): Consider
5366 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5368 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5371 * stor-layout.c (update_alignment_for_field): Don't add extra
5372 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5375 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5377 * config/mips/t-rtems: Add EL/EB multilib variants.
5379 2006-06-09 Mike Stump <mrs@apple.com>
5381 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5383 2006-06-09 David Daney <ddaney@avtrex.com>
5385 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5387 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5389 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5391 2006-06-09 Richard Guenther <rguenther@suse.de>
5393 PR tree-optimization/26998
5394 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5395 of signed types, only TYPE_MIN_VALUE is special, but for both,
5396 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5397 in this case, as is -fwrapv.
5399 2006-06-08 Mike Stump <mrs@apple.com>
5402 * config/darwin.c (darwin_asm_output_anchor): Disable
5403 -fsection-anchors on darwin for now.
5404 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5405 * rs6000/rs6000.c (optimization_options): Likewise.
5407 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5410 * config/i386/i386.c (classify_argument): Skip fields with invalid
5413 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5415 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5416 (cse_insn): Likewise for the stack_pointer_rtx.
5418 2006-06-08 Roger Sayle <roger@eyesopen.com>
5420 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5421 conditions from floating point comparisons.
5423 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5426 * expmed.c (struct alg_hash_entry): Fix type of field T
5427 to match synth_mult argument.
5428 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5430 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5433 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5436 2006-06-08 Richard Guenther <rguenther@suse.de>
5439 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5440 only, if overflow is defined and not trapping.
5441 (negate_expr): Likewise.
5443 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5445 PR tree-optimization/27872
5446 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5447 flag on the new exit edge of the unrolled loop.
5449 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5451 PR rtl-optimization/26449
5452 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5454 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5457 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5458 referenced_variables with matching DECL_UID's.
5459 (find_referenced_vars): Make sure duplicate list is empty to start.
5460 (referenced_var_p): Remove.
5461 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5462 Check if var is in the list, and add if needed. Update the duplicate
5463 list if a different var is in the list with the same DECL_UID.
5464 (add_referenced_var): Call routine to check and insert.
5465 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5466 * tree-flow.h (referenced_vars_dup_list): External declaration.
5468 2006-06-07 Fred Fish <fnf@specifix.com>
5470 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5473 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5476 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5477 the imaginary and real parts of a clobbered register.
5478 Emit insn to set the imaginary part.
5480 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5482 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5483 in lieu of unwind-dw2-fde.c.
5485 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5487 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5489 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5492 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5493 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5494 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5495 V4SImode temporaries and operations instead.
5497 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5499 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5502 2006-06-06 Mike Stump <mrs@apple.com>
5504 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5505 installing during build.
5507 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5509 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5511 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5512 * config/ia64/ia64.c (params.h): New header.
5513 (ia64_optimization_options): New function to adjust parameters.
5514 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5515 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5516 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5518 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5520 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5522 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5525 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5527 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5528 Victor Kaplansky <victork@il.ibm.com>
5530 PR tree-optimization/26360
5531 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5534 2006-06-04 Roger Sayle <roger@eyesopen.com>
5535 Andrew Pinski <pinskia@physics.uc.edu>
5538 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5539 for LABEL_DECL before calling DECL_WEAK.
5542 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5543 LABEL_DECL and PARM_DECL.
5545 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5549 * c-decl.c (grokdeclarator): Disallow variably modified types at
5550 file scope. Avoid marking shared array type of constant size as
5553 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5556 * c-common.c (fold_offsetof_1): Handle static members.
5558 2006-06-04 Eric Christopher <echristo@apple.com>
5560 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5561 (debug_rli): Output value for remaining_in_alignment.
5562 (update_alignment_for_field): Unconditionalize
5563 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5564 extra alignment code.
5565 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5566 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5567 * tree.h (record_layout_info_s): Remove prev_packed.
5568 * doc/extend.texi (ms_struct): Add documentation of format.
5570 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5572 * tree.h: Declare folding_initializer.
5573 * builtins.c (fold_builtin_constant_p): Give definite answer
5574 if folding inside an initializer.
5575 * fold-const.c: Define folding_initializer.
5576 (START_FOLD_INIT): Save and then set folding_initializer.
5577 (END_FOLD_INIT): Restore folding_initializer.
5579 2006-06-04 Richard Guenther <rguenther@suse.de>
5581 PR tree-optimization/27039
5582 * fold-const.c (fold_comparison): Handle pointer comparison
5583 again for all comparison codes. Compare offsets in signed
5585 (fold_binary): Move code from here.
5587 2006-06-03 Roger Sayle <roger@eyesopen.com>
5590 * config/i386/i386.c (construct_container): Split static issued_error
5591 flag into issued_sse_arg_error, issued_sse_ret_error and
5592 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5593 requires the use of x87 registers and the user explicitly
5594 specified the -mno-80387 command line option.
5596 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5598 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5599 HAVE_DECL_SIGALTSTACK.
5601 (segv_handler): Use MC_FLD.
5602 * configure.ac: Check for a sigaltstack declaration.
5603 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5604 * configure: Regenerate.
5605 * config.in: Regenerate.
5607 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5610 * Makefile.in (stmp-fixinc): Fix typo.
5612 2006-06-02 Roger Sayle <roger@eyesopen.com>
5614 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5615 are type correct. Clean-up.
5616 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5617 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5619 2006-06-01 DJ Delorie <dj@redhat.com>
5621 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5622 shift, as we've disabled the "switch" insn that needs it.
5624 2006-06-01 Per Bothner <bothner@bothner.com>
5626 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5627 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5628 * c-ppoutput.c (cb_define): Don't increment line 0.
5630 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5632 * doc/invoke.texi: Add cpu_type power6.
5633 * config.gcc: Add cpu_type power6.
5634 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5635 to power5+ with Altivec.
5636 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5637 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5639 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5641 * config/avr/avr.h (SET_ASM_OP): Define.
5643 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5645 * config/bfin/bfin.c: Fix comment typos.
5647 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5650 * doc/install.texi: Document --enable-bootstrap and
5651 --disable-bootstrap.
5653 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5655 * doc/install.texi: Document that InfoZIP can replace jar.
5657 2006-05-31 Roger Sayle <roger@eyesopen.com>
5659 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5660 isn't available, directly generate the simpler x87 patterns without
5661 the (use (const_int 0)).
5662 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5663 implementation isn't available.
5664 (*negdf2_1): Likewise.
5665 (*negxf2_1): XF mode negation is always done using the x87.
5666 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5668 2006-05-31 Roger Sayle <roger@eyesopen.com>
5670 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5671 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5673 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5675 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5677 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5678 * config/bfin/bfin.c (basic-block.h): Include.
5679 (struct machine_function): New.
5680 (bfin_init_machine_status): New.
5681 (override_options): Initialize init_machine_status.
5682 (bfin_hardware_loop): New.
5683 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5684 (DEF_VEC_P (loop_info)): New.
5685 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5686 (struct loop_info): New.
5687 (loop_info): New typedef.
5688 (struct loop_work): New.
5689 (loop_work): New typedef.
5690 (DEF_VEC_O (loop_work)): New.
5691 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5692 (bfin_dump_loops): New.
5693 (bfin_bb_in_loop): New.
5694 (bfin_scan_loop): New.
5695 (bfin_optimize_loop): New.
5696 (bfin_reorg_loops): New.
5697 (bfin_reorg): Use bfin_reorg_loops.
5698 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5700 (I_REGNO_P): Simplify.
5701 (DP_REGNO_P, DPREG_P): New macros.
5702 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5703 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5704 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5705 Add LT_REGS, LC_REGS, LB_REGS.
5706 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5708 (REGNO_REG_CLASS): Deal with loop registers.
5709 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5711 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5712 New constants for loop registers.
5713 (UNSPEC_LSETUP_END): New.
5714 (seq_insns): New define_attr. Set it for appropriate insns.
5715 (movsi_insn): Add alternatives for move from/to
5716 loop count registers.
5717 (doloop_end): New define_expand.
5718 (loop_end): New define_insn.
5719 (define_split for bad doloop_end): New.
5720 (lsetup_with_autoinit): New define_insn.
5721 (lsetup_without_autoinit): New define_insn.
5722 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5723 * config/bfin/predicates.md (lc_register_operand): New.
5724 (lt_register_operand): New.
5725 (lb_register_operand): New.
5726 (nondp_register_operand): New.
5727 (nondp_reg_or_memory_operand): New.
5728 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5730 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5732 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5733 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5735 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5737 * Makefile.in (CATALOGS): Add po/ prefix.
5738 * configure: Regenerated.
5740 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5743 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5744 a shift operand before calling shift_op. Avoid redundant call of
5747 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5748 DJ Delorie <dj@redhat.com>
5750 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5751 we're inserting is a singlt-bit constant.
5753 2006-05-30 Roger Sayle <roger@eyesopen.com>
5755 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5756 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5758 2006-05-30 Roger Sayle <roger@eyesopen.com>
5760 PR tree-optimization/23452
5761 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5762 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5763 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5764 complex values and with -ffast-math for FP complex values.
5766 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5768 * c-common.h: Remove the prototype for yyparse.
5769 * rtl.h: Remove the prototype for init_loop.
5771 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5773 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5776 2006-05-30 Roger Sayle <roger@eyesopen.com>
5778 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5780 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5781 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5783 2006-05-30 Dirk Mueller <dmueller@suse.de>
5786 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5787 for CONSTANT_CLASS_P expresisons.
5789 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5792 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5794 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5796 PR tree-optimization/27779
5797 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5798 initial_condition instead of CHREC_LEFT.
5800 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5802 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5803 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5804 Make prototypes ISO C90.
5806 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5807 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5809 * see.c (see_analyze_one_def): Correct check.
5810 (see_get_extension_data): Check if extension is parallel.
5811 (see_get_extension_reg): Likewise.
5813 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5816 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5817 into register for (code == GTU).
5819 2006-05-29 Roger Sayle <roger@eyesopen.com>
5821 PR tree-optimization/24964
5822 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5823 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5824 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5825 abs(x)*abs(x) as x*x for scalar floating point modes.
5827 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5830 * lambda-code.c (perfect_nestify): Don't copy statements
5831 in the inner loop: move them to the inner loop header.
5833 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5836 * c-tree.texi: Document OpenMP directives and clauses.
5838 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5840 * varasm.c (globalize_decl): Fix indentation.
5842 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5845 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5846 pass_fre, pass_store_ccp, pass_copy_prop,
5847 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5848 pass_return_slot, pass_object_size, pass_lim,
5849 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5850 pass_loop_prefetch and pass_stdarg.
5852 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5854 * config/bfin/bfin.opt (mfdpic): New option.
5855 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5856 (EXTRA_MULTILIB_PARTS): Likewise.
5857 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5858 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5860 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5861 (CRT_CALL_STATIC_FUNCTION): New.
5862 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5864 (CRT_CALL_STATIC_FUNCTION): New.
5865 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5867 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5868 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5869 (initialize_trampoline): Changed to handle FD-PIC code generation.
5870 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5871 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5872 (override_options): Disallow -mid-shared-library -mfdpic combination.
5873 Can't do unaligned ops if FD-PIC.
5874 Turn off flag_pic if trying to generate non-id-shared-library
5875 non-fdpic code, since it's not supported.
5876 (bfin_assemble_integer): New function.
5877 (TARGET_ASM_INTEGER): Define.
5878 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5880 * config/bfin/crtn.s: Restore them.
5881 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5883 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5884 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5885 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5886 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5887 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5889 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5890 FDPIC_REGS and FDPIC_FPTR_REGS.
5891 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5892 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5893 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5894 (load_funcdescsi): New pattern.
5895 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5896 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5897 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5899 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5901 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5904 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5906 * tree-flow.h: Remove the prototype for add_type_alias.
5907 * tree-ssa-alias.c (add_type_alias): Remove.
5909 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5911 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5912 config/fr30/fr30.md, config/i386/i386-interix.h,
5913 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5914 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5915 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5916 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5917 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5918 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5919 Follow spelling conventions.
5920 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5921 Follow spelling conventions.
5923 2006-05-27 Richard Guenther <rguenther@suse.de>
5926 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5927 to produce a constant of value 1 of generic type.
5929 2006-05-27 Dirk Mueller <dmueller@suse.de>
5931 * cgraphunit.c (decide_is_function_needed): Fix wrong
5934 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5936 PR rtl-optimization/27661
5937 * reload.c (find_reloads): When reloading a VOIDmode constant
5938 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5939 use Pmode as mode of the reload register.
5941 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5943 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5944 is enabled at -O and above.
5946 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5949 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5952 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5955 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5956 for anonymous variables explicitly declared by front ends.
5958 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5960 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5961 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5962 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5963 ref-all pointers, run a finalization pass for them.
5964 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5965 (finalize_ref_all_pointers): New function.
5966 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5967 regular pointer type to a ref-all pointer type.
5968 (get_tmt_for): Return the special memory tag for ref-all pointers.
5970 2006-05-25 Richard Guenther <rguenther@suse.de>
5973 * fold-const.c (fold_binary): Do not look at the stripped
5974 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5976 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5978 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5979 for LT and GT if the computed range is effectively empty.
5981 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5984 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5985 mips_quad_format formats instead of ieee_single_format,
5986 ieee_double_format and ieee_quad_format formats, respectively.
5988 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5990 PR tree-optimization/27639
5991 PR tree-optimization/26719
5992 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5993 call to scev_probably_wraps_p.
5994 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5995 used_in_pointer_arithmetic_p, convert_step): Removed.
5996 (nowrap_type_p): New function.
5997 (scev_probably_wraps_p): Rewritten.
5998 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5999 chrec_convert if chrec_convert_aggressive might have been used.
6000 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6001 scev_direction): New functions.
6002 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6003 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6004 instead of convert_step.
6005 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6006 (convert_step): Declaration removed.
6007 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6009 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6011 * df-core.c: Added to header comments.
6012 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6013 df_ur_bb_info, df_urec_bb_info): Added comments.
6014 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6015 urec, ri problems): Fixed header comments.
6016 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6017 code from df_rd_transfer_function.
6019 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6021 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6022 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6023 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6025 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6027 * expr.c (undefined_operand_subword_p): New.
6028 (emit_move_multi_word): Do not generate move from undefined bits
6029 of a paradoxical subreg.
6031 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6033 PR rtl-optimization/27736
6034 * combine.c (replaced_rhs_value): New variable.
6035 (combine_instructions): Set it.
6036 (distribute_notes): When distributing a note in replaced_rhs_insn,
6037 check whether the value was used in replaced_rhs_value.
6039 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6042 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6043 add_referenced_var instead of add_referenced_tmp_var.
6044 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6045 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6047 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6048 tree_optimize_tail_calls_1): Use add_referenced_var.
6049 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6050 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6051 Use add_referenced_var.
6052 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6053 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6054 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6055 Use add_referenced_var.
6056 * tree-dfa.c (struct walk_state): Remove.
6057 (find_referenced_vars): Remove walk state and vars_found hash table.
6058 (make_rename_temp): Use add_referenced_var.
6059 (find_vars_r): Pass less parameters to add_referenced_var.
6060 (referenced_var_p): New. Is var in referenced_var hash table.
6061 (referenced_var_insert): Assert var isn't already in hash table.
6062 (add_referenced_var): Don't need walk_state parameter. Add var if it
6063 isn't already in the hash table.
6064 (add_referenced_tmp_var): Remove.
6065 (find_new_referenced_vars_1): Use add_referenced_var.
6066 * tree-ssa-pre.c (create_expression_by_pieces,
6067 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6068 Use add_referenced_var.
6069 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6070 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6071 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6073 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6074 vect_create_data_ref_ptr, vect_create_destination_var,
6075 vect_init_vector, vect_build_loop_niters,
6076 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6077 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6078 Use add_referenced_var.
6079 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6080 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6081 (add_referenced_var): Add prototype.
6082 * tree-ssa-structalias.c (get_constraint_for,
6083 intra_create_variable_infos): Use add_referenced_var.
6085 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6087 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6088 big-endian paradoxical subregs.
6089 * var-tracking.c (struct micro_operation_def): Document that,
6090 for modify micro operations, insn is the subsequent instruction.
6091 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6092 (var_reg_set, var_mem_set): ... new functions.
6093 (add_stores): Record subsequent insn.
6094 (compute_bb_dataflow): Use new functions for MO_USE.
6095 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6096 notes after the insn, and modify notes before the insn known
6097 to be the subsequent one.
6098 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6100 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6103 * config/i386/i386.c (ix86_expand_builtin): Use
6104 gen_sse3_monitor64 for TARGET_64BIT.
6106 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6108 PR rtl-optimization/26375
6109 PR rtl-optimization/26855
6110 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6112 (df_ru_bb_local_compute): Reversed statements and removed bogus
6113 comment explaining why they should be in wrong order.
6114 (df_ru_dump, df_rd_dump): Enhanced debug info.
6115 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6117 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6118 reaching uses and fixed space problem.
6120 2006-05-23 Jan Hubicka <jh@suse.cz>
6122 * cgraphunit.c (decide_is_function_needed): Also nested functions
6123 and functions declared inline can be optimized out at -O0.
6125 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6127 * doc/install.texi (Configuration): Remove reference to CrossGCC
6131 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6134 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6135 ix86_compare_emitted is non-NULL.
6137 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6140 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6143 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6145 PR rtl-optimization/25514
6146 * combine.c (replaced_rhs_insn): New variable.
6147 (combine_instructions): Set replaced_rhs_insn when trying to replace
6148 a SET_SRC with a REG_EQUAL note.
6149 (distribute_notes): Use replaced_rhs_insn when determining the live
6150 range of a REG_DEAD register.
6152 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6153 Anatoly Sokolov <aesok@post.ru>
6155 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6156 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6157 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6158 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6159 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6160 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6161 at90usb647, at90usb1286 and at90usb1287 devices.
6162 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6163 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6165 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6167 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6169 2006-05-22 Richard Guenther <rguenther@suse.de>
6172 2006-01-31 Richard Guenther <rguenther@suse.de>
6173 Paolo Bonzini <bonzini@gnu.org>
6175 * doc/install.texi (--disable-libgcc-math): Document.
6177 2006-05-22 Richard Guenther <rguenther@suse.de>
6180 2006-01-31 Richard Guenther <rguenther@suse.de>
6182 * doc/invoke.texi (-msselibm): Document.
6183 * target.h (expand_library_builtin): New target hook.
6184 * builtins.c (expand_builtin): Use expand_library_builtin.
6185 (default_expand_library_builtin): New function.
6186 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6187 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6188 (link_gcc_math_spec): Declare.
6189 (static_specs): Add link_gcc_math_spec.
6190 * expr.h (default_expand_library_builtin): Declare.
6191 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6192 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6193 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6194 * config/i386/i386.opt (msselibm): New target option.
6195 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6196 (ix86_init_sse_abi_builtins): New function.
6197 (ix86_expand_library_builtin): Likewise.
6198 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6199 (override_options): Handle error conditions wrt -msselibm.
6200 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6201 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6202 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6205 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6208 * c-common.c (self_promoting_args_p): Skip erroneous args.
6211 * c-decl.c (finish_struct): Skip erroneous fields.
6213 2006-05-22 Nick Clifton <nickc@redhat.com>
6215 * config/cris/cris.opt (march): Remove VarExists attribute.
6216 (max-stackframe=): Likewise.
6218 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6220 * doc/rtl.texi: Fix a typo.
6221 * see.c: Fix comment typos.
6223 * tree-ssa-structalias.h (alias_info): Remove num_references.
6225 2006-05-21 Mike Stump <mrs@apple.com>
6227 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6229 (darwin_pragma_options): Use BAD instead.
6230 (darwin_pragma_unused): Likewise.
6231 (darwin_pragma_ms_struct): Likewise.
6233 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6235 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6237 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6239 PR rtl-optimization/27671
6240 * simplify-rtx.c (simplify_relational_operation_1): Fix
6241 simplifications of (eq/ne (xor x y) y) and
6242 (eq/ne (xor x y) x).
6244 PR tree-optimization/26622.
6245 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6248 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6250 * tree-cfg.c: Prune whitespace.
6251 (debug_tree_cfg): Point to correct header containing the
6254 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6257 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6259 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6262 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6263 or sorry count is non zero.
6265 2006-05-20 Andreas Schwab <schwab@suse.de>
6267 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6269 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6270 Kenneth Zadeck <zadeck@naturalbridge.com>
6272 PR rtl-optimization/26855
6274 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6276 (df_scan_alloc): Added code to properly handle multiword hard
6277 registers and add all_blocks parameter.
6278 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6279 code to properly handle multiword hard registers.
6280 (df_rescan_blocks): Added code to remove deleted blocks from
6282 (df_ref_create_structure, df_ref_record): Added code to properly
6284 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6285 and set DF_REF_PARTIAL.
6286 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6287 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6288 (df_scan_add_problem): Added flags parameter.
6289 (df_ref_create_structure): Changed switching structure.
6290 (df_bb_refs_record): Fixed case where duplicate artificial refs
6291 were created. Changed location of flags.
6292 (df_record_entry_block_defs): Added code to make stack pointer
6293 live in entry block. Refined cases where frame pointer is needed.
6294 Changed location of flags.
6295 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6296 (df_set_state): Removed function.
6297 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6298 df_insn_create_insn_record, df_insn_refs_delete,
6299 df_ref_create_structure): Formatting changes.
6300 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6301 df_delete_basic_block): New function.
6302 (df_init): Changed location of flags.
6303 (df_add_problem): Added flags parameter and the way flags are
6305 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6306 debug_df_chain): Improved debugging output.
6307 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6308 (df_refs_chain_dump): Removed df parameter.
6309 (df_iterative_dataflow): Added consistency check.
6310 (df_prune_to_subcfg): Made public.
6311 (df_analyze_problem): Added blocks_to_init parameter and made
6313 (df_ref_record, df_bb_refs_record, df_mark_reg,
6314 df_record_exit_block_uses): Whitespace changes.
6315 (df_dump): Whitespace changes.
6316 * df.h: Some reordering to remove forward references.
6317 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6318 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6319 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6320 (dataflow.flags): New field.
6321 (df.flag): Deleted field.
6322 (df_alloc_function): Added additional bitmap parameter.
6323 (df_dependent_problem_function): New type.
6324 (df_problem.changeable_flags): New field.
6325 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6326 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6327 (df_mw_hardreg): New struct.
6328 (DF_INSN_UID_MWS): New macro.
6329 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6331 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6332 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6333 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6334 (df_set_state): Removed function.
6335 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6336 * df-problems.c (df_chain_dump): Removed df parameter.
6337 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6338 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6340 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6341 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6342 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6343 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6344 DF_REF_MUST_CLOBBER cases.
6345 (df_ru_bb_local_compute_process_def,
6346 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6347 df_lr_bb_local_compute, df_ur_bb_local_compute,
6348 df_chain_create_bb): Made subreg aware.
6349 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6350 df_lr_bb_local_compute, df_lr_bb_local_compute,
6351 df_chain_create_bb): Cleanup to use proper macros.
6352 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6353 code to fixup bitvectors.
6354 (df_ri_alloc): Cleared lifetime.
6355 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6356 df_create_unused_note): New function.
6357 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6358 REG_DEAD and REG_UNUSED notes as well as register information.
6359 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6360 df_chains_dump): Fixed crash if problem was never run.
6361 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6362 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6363 df_ri_add_problem): Processes flags in uniform manner.
6364 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6365 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6366 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6367 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6368 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6369 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6370 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6371 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6372 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6373 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6374 * see.c (see_initialize_data): Ditto.
6375 * final.c (rest_of_clean_state) Added regstack_completed.
6376 * rtl.h (regstack_completed): Ditto.
6377 * reg-stack.c (regstack_completed): Ditto.
6379 2006-05-19 Mike Stump <mrs@apple.com>
6381 * c-tree.h (default_conversion): Remove.
6382 * c-common.h (default_conversion): Add.
6384 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6386 * tree-vrp.c (valid_value_p): New function.
6387 (adjust_range_with_scev): Fail if the value of bound is not
6390 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6392 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6393 (mips_fallback_frame_state): Use syscall numbers to determine
6394 the appropriate li instruction for the current ABI. Only use
6395 __NR_sigreturn for o32.
6397 2006-05-19 Nicolas Setton <setton@adacore.com>
6399 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6400 * langhooks.c (lhd_dwarf_name): New function.
6401 * langhooks-def.h (lhd_dwarf_name): Declare.
6402 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6403 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6404 * ada/misc.c (gnat_dwarf_name): New function.
6405 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6407 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6409 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6411 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6412 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6413 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6414 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6415 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6416 determine the size of Wtype, etc.
6417 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6418 (swfloatfuncs): New variable.
6419 (dwfloatfuncs): Likewise.
6420 (lib2funcs): Remove floating-point conversion functions from
6421 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6422 the set of conversion routines needed. Allow entries to specify
6423 an object name, filename and word size. Update users accordingly.
6424 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6425 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6429 2006-02-08 Roger Sayle <roger@eyesopen.com>
6432 * config/fixtfdi.c: New libgcc source file.
6433 * config/fixunstfdi.c: New source file.
6434 * config/floatditf.c: New source file.
6435 * config/floatunditf.c: New souce file.
6436 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6437 files above instead of config/mips/_tilib.c.
6438 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6440 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6442 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6443 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6445 2006-05-18 Mike Stump <mrs@apple.com>
6447 Fix up vla, vm and [*] sematics.
6453 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6454 (c_vla_unspec_p): Add.
6455 (c_vla_type_p): Add.
6456 * c-decl.c (struct c_scope): Add had_vla_unspec.
6457 (build_array_declarator): Add support for [*].
6458 (grokdeclarator): Likewise.
6459 (grokparms): Likewise.
6460 (get_parm_info): Likewise.
6461 * c-objc-common.c (c_vla_unspec_p): Likewise.
6462 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6463 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6464 typeof when argument is a variably modified type not inside sizeof or alignof.
6465 (c_parser_direct_declarator_inner): Propagate errors.
6466 (c_parser_sizeof_expression): Add support for [*].
6467 (c_parser_parms_declarator): Initialize had_vla_unspec.
6468 (c_parser_parms_list_declarator): Likewise.
6469 * c-typeck.c (c_vla_type_p): Add.
6470 (composite_type): Add support for vla compositing.
6471 (comptypes_internal): Add support for vla compatibility.
6472 (c_expr_sizeof_expr): Evaluate vla arguments.
6473 * tree.c (variably_modified_type_p): Update comment for [*].
6475 2006-05-18 Michael Matz <matz@suse.de>
6478 * config.host: Make assignments to host_xmake_file cumulative.
6479 * config.host (*-darwin*): Test $host, not $target.
6481 2006-05-12 Stuart Hastings <stuart@apple.com>
6483 * config/i386/i386.opt (-mstackrealign): New flag.
6484 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6485 (ix86_handle_cconv_attribute): Emit error when
6486 force_align_arg_pointer attribute collides with too many regparms.
6487 (ix86_function_regparm): Limit regparms when used with
6488 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6489 Support stack-realigning prologue in non-main functions. Emit
6490 warning for nested functions under -mstackrealign, emit error for
6491 nested functions with force_align_arg_pointer attribute.
6492 * doc/extend.texi (force_align_arg_pointer): Document it.
6493 * doc/invoke.texi (-mstackrealign): Document it.
6495 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6497 PR rtl-optimization/27477
6498 * combine.c (try_combine): Don't split a parallel consisting
6499 of two sets into two individual sets if both sets reference
6502 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6504 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6505 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6507 * doc/options.texi (VarExists): Updated.
6509 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6511 * unwind-dw2.c: Add declarations for uw_update_context and
6513 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6514 detected, advance frame state and context once to skip over stub.
6516 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6520 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6521 Call rewrite_into_loop_closed_ssa only when something changed.
6522 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6523 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6524 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6525 Test for perfect_nest_p here. Fix formating.
6526 (replace_uses_equiv_to_x_with_y): Fix formating.
6527 (stmt_uses_op): Removed.
6528 (can_convert_to_perfect_nest): Removed loopivs parameter.
6529 Complete the test by checking the scalar dependences.
6530 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6533 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6536 From Dan Kegel <dank@kegel.com>:
6537 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6539 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6541 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6542 if the element type is variably modified without recursing.
6544 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6547 * tree-loop-linear.c (try_interchange_loops): Test for
6548 no data dependences.
6550 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6552 PR tree-optimization/27548
6553 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6554 range of ssa names that appear on abnormal edges.
6555 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6556 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6558 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6561 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6563 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6566 * tree.h (OMP_PARALLEL_COMBINED): Define.
6567 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6568 (new_omp_context): Add is_combined_parallel argument.
6569 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6570 new_omp_context caller.
6571 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6572 Adjust gimplify_scan_omp_clauses callers.
6573 (omp_is_private): Issue errors if iteration variable is firstprivate
6574 or reduction in the current context.
6575 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6576 on combined parallel workshare constructs.
6578 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6580 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6581 (gcc-options.o): New rule.
6583 * optc-gen.awk: Protect variables for gcc-options.o with
6584 #ifdef GCC_DRIVER/#endif.
6586 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6588 Fix PR tree-optimization/27373
6589 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6590 (forward_propagate_addr_expr): Update call.
6592 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6594 * doc/options.texi: Move the Negative option.
6596 2006-05-16 Richard Guenther <rguenther@suse.de>
6598 PR tree-optimization/22303
6599 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6601 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6602 ccp_fold did not simplify the statement.
6604 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6607 * Makefile.in (GCC_OBJS): New.
6608 (OBJS-common): Add opts-common.o.
6609 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6610 (cpp$(exeext)): Likewise.
6611 (gcc.o): Also depend on opts.h.
6612 (opts-common.o): New.
6614 * common.opt (gcoff): Add Negative(gdwarf-2).
6615 (gdwarf-2): Add Negative(gstabs).
6616 (gstabs): Add Negative(gstabs+).
6617 (gstabs+): Add Negative(gvms).
6618 (gvms): Add Negative(gxcoff).
6619 (gxcoff): Add Negative(gxcoff+).
6620 (gxcoff+): Add Negative(gcoff).
6621 * config/i386/i386.opt (m32): Add Negative(m64).
6622 (m64): Add Negative(m32).
6624 * doc/options.texi: Document the Negative option.
6626 * gcc.c: Include "opts.h".
6627 (main): Call prune_options after expandargv.
6629 * optc-gen.awk: Generate common declarations for all flag
6630 variables in options.c. Output the neg_index field.
6632 * opts.c (find_opt): Moved to ...
6633 * opts-common.c: Here. New file.
6635 * opts.h (cl_option): Add a neg_index field.
6637 (prune_options): Likewise.
6639 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6642 * omp-low.c (expand_omp_parallel): Don't assert
6643 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6644 instead search for it.
6647 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6650 2006-05-16 Andreas Schwab <schwab@suse.de>
6652 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6655 2006-05-15 Roger Sayle <roger@eyesopen.com>
6658 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6659 integer constants other than zero are only legitimate on TARGET_64BIT.
6660 <CONST_VECTOR> Only zero vectors are legitimate.
6661 (ix86_cannot_force_const_mem): Integral and vector constants can
6662 always be put in the constant pool.
6664 2006-05-16 DJ Delorie <dj@redhat.com>
6666 * crtstuff.c (__dso_handle): Set section from
6667 TARGET_LBIGCC_SDATA_SECTION if defined.
6668 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6669 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6671 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6674 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6677 2006-05-16 Ben Elliston <bje@au.ibm.com>
6679 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6681 2006-05-15 Per Bothner <per@bothner.com>
6683 * tree.c: (last_annotated_node): Use source_locus typedef.
6684 This permits bootstrapping with --enable-mapped-location.
6686 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6688 PR tree-optimization/26830
6689 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6690 (info_for_ssa_name, current_info_for_ssa_name_age,
6691 blocks_to_update): New variables.
6692 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6693 (clear_ssa_name_info, initialize_flags_in_bb,
6694 mark_block_for_update): New functions.
6695 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6696 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6697 prepare_def_site_for): Use mark_block_for_update.
6698 (mark_def_interesting): Assert that the processed block is marked in
6699 blocks_to_update. Do not take blocks argument.
6700 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6702 (rewrite_update_init_block, rewrite_update_stmt): Only process
6703 blocks with statements to rewrite.
6704 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6705 (update_ssa): Initialize and free blocks_to_update. Do not
6706 clear flags on statements. Do not use blocks bitmap.
6707 * tree.h (SSA_NAME_AUX): Removed.
6708 (struct tree_ssa_name): Removed aux field.
6709 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6711 2006-05-15 Richard Guenther <rguenther@suse.de>
6713 PR tree-optimization/27603
6714 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6715 Do computations in original type.
6717 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6719 * see.c: Code style changes such as redundant paranthesis,
6720 redundant intialization of local variables etc.
6721 (see_main): Declared now as static.
6722 * doc/invoke.texi: Update that -fsee is not enabled by
6725 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6727 * omp-low.c (check_omp_nesting_restrictions): New function.
6728 (scan_omp_1): Call it.
6731 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6732 construct, return *VAR.
6734 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6736 PR rtl-optimization/27406
6737 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6740 2006-05-14 Roger Sayle <roger@eyesopen.com>
6742 PR rtl-optimization/27538
6743 * combine.c (expand_compound_operation): Call gen_lowpart
6744 before calling simplify_shift_const.
6746 2006-05-14 Roger Sayle <roger@eyesopen.com>
6748 PR rtl-optimization/22563
6749 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6750 a fixed width bitfield, always force the intermediates into psuedos.
6752 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6755 * mkconfig.sh: Use operator = instead of == for test.
6757 2006-05-13 Nick Clifton <nickc@redhat.com>
6759 * dwarf2out.c (dbx_reg_number): Check return value from
6760 LEAF_REG_REMAP and only use it if it is valid.
6761 (multiple_reg_loc_descriptor): Likewise.
6763 2006-05-13 Richard Guenther <rguenther@suse.de>
6765 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6768 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6770 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6771 information attached to non-INSNs such as NOTEs.
6772 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6774 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6776 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6778 * config/s390/s390.md: Adjust comment describing On constraint.
6780 2006-05-11 Jan Hubicka <jh@suse.cz>
6782 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6783 to be output at -O0.
6785 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6788 * fold-const.c (size_binop): Move sanity check for arguments to
6789 the beginning of the function.
6792 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6795 2006-05-11 Richard Guenther <rguenther@suse.de>
6798 * fold-const.c (fold_unary): Handle intermediate conversion
6799 to a pointer type like intermediate conversion to an integer
6800 type in folding of (T1)(T2)var to var.
6801 Match the code to the comment in the final conversion for
6802 (T1)(T2)var to (T1)var regarding to type precision. Rather
6803 than disallow T1 being of pointer type, assert that both T1
6804 and var are of pointer type or not. Make sure not to fall
6805 over the frontends lazyness wrt array to pointer decay though.
6807 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6809 * arm.c (arm_struct_value_rtx): Delete.
6810 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6811 (arm_init_cumulative_args): Always initialize nregs to zero.
6813 2006-05-10 Richard Guenther <rguenther@suse.de>
6815 PR tree-optimization/27532
6816 * tree-object-size.c (plus_expr_object_size): Fix typo.
6818 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6821 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6822 ashrdi_const, ashrdi3): Use a scratch register.
6824 2006-05-10 Richard Guenther <rguenther@suse.de>
6826 PR tree-optimization/27302
6827 * fold-const.c (operand_equal_p): For two comparisons,
6828 try comparison of one comparison code swapped if that yields
6831 2006-05-10 Ben Elliston <bje@au.ibm.com>
6833 * tree-pretty-print.c (pretty_print_string): No need to handle
6834 '\0' as a special character.
6836 * tree.h: Include "hashtab.h".
6837 (iterative_hash_expr): Use hashval_t in its prototype.
6838 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6840 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6843 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6844 (hppa*64*-*-hpux11*): Ditto.
6845 (hppa[12]*-*-hpux11*): Ditto.
6847 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6850 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6852 2006-05-09 Michael Matz <matz@suse.de>
6854 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6855 host_extra_gcc_objs and host_xmake_file.
6856 (<*-*-linux*>): Don't overwrite host_xmake_file.
6857 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6858 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6859 (host_detect_local_cpu): Declare.
6860 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6861 * config/i386/i386.c (override_options): Handle -mtune=native
6863 * config/i386/x-i386: New file.
6864 * config/i386/driver-i386.c: New file.
6865 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6868 2006-05-09 Dirk Mueller <dmueller@suse.de>
6869 Richard Guenther <rguenther@suse.de>
6872 * fold-const.c (fold_read_from_constant_string): Relax check
6873 for matching types to matching modes.
6875 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6877 PR rtl-optimization/27335
6878 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6881 2006-05-08 Chao-ying Fu <fu@mips.com>
6882 Richard Sandiford <richard@codesourcery.com>
6884 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6885 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6886 * config/mips/mips.md (UNSPEC_SCC): New constant.
6887 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6888 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6889 (mips_emit_compare): Use it.
6890 (mips_expand_vcondv2sf): New function.
6892 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6894 Fix PR tree-optimization/27093
6895 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6896 renaming when they become not-used_alone.
6898 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6900 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6901 relocation and relocation stubs.
6903 2006-05-08 Eric Christopher <echristo@apple.com>
6905 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6908 2006-05-08 Jan Hubicka <jh@suse.cz>
6911 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6912 unused static functions are needed.
6914 2006-05-08 Roger Sayle <roger@eyesopen.com>
6917 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6918 of a reg_equiv_constant if the result is a legitimate constant.
6920 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6923 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6924 standard 80387 constants, raise the cost to prevent
6925 compress_float_constant() to generate load from memory.
6927 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6929 * config/arm/constraints.md (c): Fix a typo.
6931 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6934 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6937 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6939 (_mm_mwait): Likewise.
6941 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6943 (sse3_monitor): Make it 32bit only.
6944 (sse3_monitor64): New. 64bit monitor.
6946 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6949 * config/i386/i386.c (classify_argument): Skip fields with invalid
6952 2006-05-07 Richard Guenther <rguenther@suse.de>
6954 PR tree-optimization/27409
6955 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6956 Do not try to find zero-sized subvars.
6958 2006-05-07 Richard Guenther <rguenther@suse.de>
6960 PR tree-optimization/27136
6961 * tree-ssa-loop-niter.c (get_val_for): Correct function
6962 comment, assert requirements.
6963 (loop_niter_by_eval): Stop processing if the iterated
6964 value did not simplify.
6966 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6968 * opts.c (flag_see): remove its setting at -O3.
6970 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6972 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6973 * arm/constraints.md: New file.
6974 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6975 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6976 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6977 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6978 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6979 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6980 * arm.md: Include constraints.md.
6981 (thumb_movsi_insn): Use satisfies_constraint_J.
6982 (movhi, movqi): Use satisfies_constraint_I.
6984 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6986 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6987 for atmeg a645 device.
6989 2006-05-06 Richard Guenther <rguenther@suse.de>
6991 PR tree-optimization/27151
6992 * tree-vect-transform.c (vectorizable_condition): Punt on
6993 values that have a different type than the condition.
6995 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6998 * c-parser.c (c_parser_cast_expression): Only insert casts into
6999 hash table if pointer.
7000 * function.c (used_types_insert_helper): Rename from
7002 (used_types_insert): Call used_types_insert_helper.
7003 * function.h (used_types_insert): Accept only one argument.
7005 2006-05-05 David Edelsohn <edesohn@gnu.org>
7007 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7008 scratch with output modifier.
7010 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7013 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7014 with output modifier.
7016 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7019 * config/mips/mips.c (mips_symbolic_address_p): Return true
7020 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7021 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7023 2006-05-04 Richard Guenther <rguenther@suse.de>
7025 PR tree-optimization/14287
7026 PR tree-optimization/14844
7027 PR tree-optimization/19792
7028 PR tree-optimization/21608
7029 PR tree-optimization/27090
7030 * tree-ssa-pre.c (try_combine_conversion): New function.
7031 (compute_avail): After constructing the value-handle
7032 expression, use try_combine_conversion to combine NOP_EXPRs
7033 with previous value-handle expressions and use the result if it
7036 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7038 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7040 2006-05-04 Jan Hubicka <jh@suse.cz>
7043 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7045 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7047 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7048 that this only matches CONST_INTs. All users changed to VOIDmode
7051 * config/bfin/bfin.c: Include "optabs.h".
7052 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7054 (enum bfin_builtins): Add a number of fractional and vector builtins.
7055 (bfin_init_builtins): Likewise.
7056 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7057 (safe_vector_operand, bfin_expand_binop_builtin,
7058 bfin_expand_unop_builtin): New functions.
7059 (bfin_expand_builtin): Handle the new builtins.
7060 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7063 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7066 * Makefile.in (OBJS-common): Add see.o.
7067 (see.o): Add dependencies.
7068 * common.opt (fsee): New flag for the see optimization was added.
7069 * opts.c (flag_see): Initialized.
7070 * passes.c (init_optimization_passes, pass_see): New pass.
7071 * rtl.h (see_main): Declaration as extern.
7072 * timevar.def (TV_SEE): New.
7073 * tree-pass.h (pass_see): Declaration as extern.
7074 * invoke.texi (-fsee): Document.
7075 * recog.c (validate_simplify_insn): New function.
7076 * recog.h (validate_simplify_insn): Declaration as extern.
7077 * df-problems.c (df_chain_dump): Check for NULL.
7079 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7080 Daniel Berlin <dberlin@dberlin.org>
7082 * cfgrtl.c (insert_insn_bb_end_new): New function.
7083 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7085 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7087 * df.h (struct web_entry): Moved from web.c.
7088 (union_defs): Declaration as extern.
7089 (unionfind_root): Likewise.
7090 (unionfind_union): Likewise.
7091 * web.c (struct web_entry): Moved to df.h.
7092 (unionfind_root): Remove static declaration.
7093 (unionfind_union): Likewise.
7094 (union_defs): Likewise and generalize to use callback function.
7095 (web_main): Update arguments for union_defs function call.
7097 2006-05-04 Richard Guenther <rguenther@suse.de>
7099 PR tree-optimization/26447
7100 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7101 produce SSA_NAME copies before the store stmt to avoid
7102 breaking exception handling.
7104 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7107 * gimplify.c (omp_is_private): If var is shared in some outer context,
7108 return false instead of true. Stop searching on parallel context
7111 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7114 * coverage.c: Use get_gcov_unsigned_t() instead of
7115 unsigned_type_node all over.
7117 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7119 PR tree-optimization/27381
7120 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7121 maintain the same immediate_use links.
7122 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7123 node rather than segfaulting.
7125 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7128 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7129 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7130 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7132 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7134 Fix PR tree-optimization/26626
7135 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7137 * tree-ssa-operands.c (access_can_touch_variable): Allow
7138 typecasting through union pointers.
7140 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7143 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7144 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7145 to find if var will be a global variable even in the nested context.
7146 (omp_copy_decl): Only check for global variable at the end, it might
7147 be overridden in outer contexts.
7148 (scan_sharing_clauses): For global variables don't create a field.
7149 (lower_rec_input_clauses): Do nothing for global shared variables.
7150 Emit a barrier at the end of ILIST if there were any decls in both
7151 firstprivate and lastprivate clauses.
7152 (lower_send_clauses): Do nothing for global variables except for
7155 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7157 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7158 of the correct signedness is returned.
7160 2006-05-02 Jeff Law <law@redhat.com>
7162 PR tree-optimization/27364
7163 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7164 multiply expressions.
7166 2006-05-02 Tom Tromey <tromey@redhat.com>
7168 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7170 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7173 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7174 -mthumb -fPIC are used.
7176 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7177 Joshua Kinard <kumba@gentoo.org>
7180 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7181 with 64-bit pointers.
7183 2006-05-02 Paul Brook <paul@codesourcery.com>
7185 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7187 (create_fix_barrier): Check that a suitable barrier location is
7189 (arm_reorg): Include ftmp->address in allowable range of addresses.
7191 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7194 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7197 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7200 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7201 around RESULT_DECL for result passed by reference.
7202 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7203 * omp-low.c (use_pointer_for_field): Don't look at
7204 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7205 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7206 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7207 time or var for passing by reference for
7208 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7209 TREE_ADDRESSABLE variables when passing by reference.
7211 * omp-low.c (dump_omp_region): Fix output formatting.
7214 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7215 (expand_omp_parallel): Likewise.
7216 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7219 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7220 on statement list containing also constructors and destructors.
7221 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7224 * except.c (duplicate_eh_regions): Fix clearing of
7225 cfun->eh->region_array entries.
7227 2006-05-01 DJ Delorie <dj@redhat.com>
7229 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7231 (gcc_cv_objdump): Likewise.
7232 * configure: Regenerated.
7234 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7237 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7238 templates for case 3 and 4.
7240 2006-05-01 DJ Delorie <dj@redhat.com>
7242 * vec.c: Include bconfig.h when appropriate.
7243 * Makefile.in (build/vec.o): Adjust dependencies.
7244 * mkconfig.sh: Make sure config.h isn't used for build machine
7247 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7249 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7251 (mark_phi_for_rewrite): New function.
7252 (insert_phi_nodes_for, mark_use_interesting): Call
7253 mark_phi_for_rewrite.
7254 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7255 (update_ssa): Initialize and free phis_to_rewrite.
7257 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7259 PR rtl-optimization/27291
7260 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7261 folded to a constant.
7263 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7265 PR tree-optimization/27283
7266 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7267 not whole # of iteration descriptions.
7268 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7269 uses abnormal ssa name.
7270 (niter_for_single_dom_exit): Ditto.
7271 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7272 return just the number of iterations.
7274 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7276 PR tree-optimization/27144
7277 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7278 (record_estimate): Only record constant upper bound.
7279 (infer_loop_bounds_from_undefined): Call
7280 compute_estimated_nb_iterations just once.
7281 (proved_non_wrapping_p): Renamed to ...
7282 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7283 (convert_step_widening, scev_probably_wraps_p): Call
7284 n_of_executions_at_most instead of proved_non_wrapping_p.
7285 (substitute_in_loop_info): Do not replace values in bounds.
7286 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7289 2006-05-01 Richard Henderson <rth@redhat.com>
7292 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7293 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7296 2006-05-01 Roger Sayle <roger@eyesopen.com>
7298 * c-typeck.c (parser_build_binary_op): Don't call the function
7299 unsigned_conversion_warning to spot operand/result type overflow.
7300 (build_binary_op): Instead, call convert_and_check instead of
7301 convert to report the problem when the operands are promoted.
7302 * c-common.c (unsigned_conversion_warning): Make static.
7303 * c-common.h (unsigned_conversion_warning): Delete prototype.
7305 2006-05-01 Richard Guenther <rguenther@suse.de>
7307 PR tree-optimization/26726
7308 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7310 (find_interesting_uses_address): ... we work around here
7311 by folding INDIRECT_REFs in the substituted base.
7313 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7315 * omp-low.c (dump_omp_region): Add newlines.
7317 2006-04-30 Roger Sayle <roger@eyesopen.com>
7319 * common.opt (Woverflow): New command line option.
7320 * c-common.c (constant_expression_warning): Check warn_overflow.
7321 (overflow_waring): Pass OPT_Woverflow to warning.
7322 (unsigned_conversion_warning): Likewise.
7323 (convert_and_check): Likewise.
7324 * doc/invoke.texi: Document new command line option.
7326 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7328 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7329 TARGET_NO_FP_IN_TOC for section anchors.
7330 (optimization_options): Enable section anchors for all
7331 non-"Objective" languages.
7333 2006-04-28 Eric Christopher <echristo@apple.com>
7335 * config/darwin-c.c (darwin_ms_struct): Move this
7336 (darwin_set_default_type_attributes): and this...
7337 * config/darwin.c: ... here.
7338 * config/darwin.h (darwin_ms_struct): Declare.
7340 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7342 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7344 2006-04-28 Roger Sayle <roger@eyesopen.com>
7347 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7348 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7349 an unsigned HOST_WIDE_INT.
7350 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7352 (really_start_incremental_init): No need to call convert because
7353 bitsize_zero_node is already of type bitsizetype.
7354 (push_init_level): Extract the value of constructor_index as an
7355 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7356 (process_init_element): Likewise.
7358 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7360 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7361 value before passing to make_relative_prefix.
7363 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7366 * builtins.c (expand_builtin_memset): Expand val in original mode.
7368 2006-04-27 Eric Christopher <echristo@apple.com>
7370 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7371 with #ifndef/#endif.
7372 * config/darwin-c.c (darwin_ms_struct): New.
7373 (darwin_pragma_ms_struct): Ditto.
7374 (darwin_set_default_type_attributes): Ditto.
7375 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7376 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7377 Register ms_struct pragma.
7378 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7379 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7380 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7381 darwin_set_default_type_attributes if TARGET_MACHO.
7383 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7385 PR tree-optimization/26854
7386 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7387 * doc/tree-ssa.texi: Update immuse iterator documentation.
7388 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7389 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7390 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7391 first_safe_imm_use, next_safe_imm_use): Remove.
7392 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7393 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7394 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7395 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7396 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7397 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7398 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7399 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7400 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7401 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7402 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7403 (perfect_nestify): Use new iterator.
7404 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7406 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7407 (next_imm_name): New field in struct immediate_use_iterator_d.
7408 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7409 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7410 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7411 * tree-cfg.c (replace_uses_by): Use new iterator.
7412 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7413 * tree-ssa-operands.c (correct_use_link): Remove.
7414 (finalize_ssa_use_ops): No longer call correct_use_link.
7416 2006-04-27 Stuart Hastings <stuart@apple.com>
7418 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7419 * config/t-darwin (crt3.o): Use it.
7420 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7421 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7422 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7423 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7424 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7427 2006-04-27 Roger Sayle <roger@eyesopen.com>
7429 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7430 size, force the intermediate into a new pseudo rather instead of
7431 performing both a bitwise AND and a bitwise IOR in memory.
7433 2006-04-27 Richard Guenther <rguenther@suse.de>
7435 PR rtl-optimization/26685
7436 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7437 this one "max-flow-memory-locations".
7439 2006-04-27 Richard Guenther <rguenther@suse.de>
7441 PR tree-optimization/25148
7442 * tree-vrp.c (compare_values): Remove code dealing with
7443 comparisons against type min/max value. Honour overflow
7444 and negative constants in code dealing with comparisons
7445 of plus and minus expressions.
7446 (value_inside_range): Use fold_binary with LE_EXPR and
7447 GE_EXPR rather than compare_values.
7449 2006-04-27 Dirk Mueller <dmueller@suse.de>
7451 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7454 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7456 * basic-block.h (safe_insert_insn_on_edge): Removed.
7457 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7459 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7460 Paolo Bonzini <bonzini@gnu.org>
7463 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7464 (simplify_and_const_int): Same.
7466 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7468 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7470 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7473 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7474 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7475 cgraph_global_info_ready.
7478 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7481 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7482 either decl or init is error_mark_node.
7485 * tree-flow.h (struct omp_region): Add sched_kind.
7486 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7487 instead of extracting omp for data.
7488 (expand_omp_for): Save extracted sched_kind.
7490 2006-04-25 Roger Sayle <roger@eyesopen.com>
7492 * expmed.c (store_bit_field): Also check whether the bitsize is
7493 valid for the machine's "insv" instruction before moving the
7494 target into a pseudo for use with the insv.
7495 * config/i386/predicates.md (const8_operand): New predicate.
7496 * config/i386/i386.md (extv, extzv, insv): Use the new
7497 const8_operand predicate where appropriate.
7499 2006-04-25 DJ Delorie <dj@redhat.com>
7501 * doc/install.texi (Specific): Clarify that this is not a list of
7502 supported hosts or targets.
7504 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7506 PR rtl-optimization/26725
7507 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7508 block's BB_DIRTY flag.
7510 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7512 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7515 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7516 to print an integer.
7518 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7520 * varasm.c (align_variable): New function.
7521 (get_block_for_decl): Apply align_variable to DECL before
7522 calculating section information.
7523 (assemble_variable): Split out alignment computation.
7525 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7527 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7530 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7532 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7533 MODE_PARTIAL_INT mode.
7534 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7535 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7537 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7538 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7540 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7542 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7544 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7545 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7546 MACFLAG_IH): Likewise.
7547 (movstricthi_1): Renamed from "*movstricthi".
7548 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7549 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7550 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7551 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7552 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7553 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7554 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7555 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7556 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7557 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7558 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7559 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7560 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7561 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7562 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7564 * doc/rtl.texi (ss_ashift): Improve wording.
7566 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7568 * dwarf2out.c (verify_marks_clear): New.
7569 (prune_unused_types): Call verify_marks_clear initially, not
7572 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7574 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7575 * doc/rtl.texi: Document them.
7576 * simplify-rtx.c (simplify_unary_operation,
7577 simplify_binary_operation_1): Don't abort when we see them.
7579 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7582 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7583 * configure.ac: Completely disregard languages that are not
7585 * configure: Regenerated.
7587 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7588 Richard Guenther <rguenther@suse.de>
7590 PR tree-optimization/27236
7591 * tree-inline.c (copy_body_r): Make sure to copy
7592 TREE_THIS_VOLATILE flag.
7594 2006-04-24 Richard Guenther <rguenther@suse.de>
7597 * tree-complex.c (update_parameter_components): Don't handle
7598 unused parameters which have no default def.
7600 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7601 Richard Guenther <rguenther@suse.de>
7603 PR tree-optimization/27218
7604 * tree-inline.c (expand_call_inline): Strip useless type
7605 conversions for the return slot address.
7607 2006-04-24 Richard Guenther <rguenther@suse.de>
7609 * cfgloop.h (struct loops): Remove unused field array. Reorder
7611 (LOOP_PREFETCH): Remove.
7613 2006-04-24 Richard Guenther <rguenther@suse.de>
7615 PR tree-optimization/22525
7616 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7617 variable, adjust types of generated expressions.
7619 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7621 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7622 (tree-vect-patterns.o): Likewise.
7624 (cselib.o): Likewise.
7625 (loop-doloop.o): Likewise.
7626 (regclass.o): Likewise.
7627 (reload1.o): Likewise.
7628 (explow.o): Replace target.h with $(TARGET_H).
7629 (ipa-prop.o): Likewise.
7630 (ipa-cp.o): Likewise.
7631 (ipa-inline.o): Likewise.
7632 (reorg.o): Likewise.
7633 (reg-stack.o): Likewise.
7635 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7637 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7639 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7641 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7643 * configure.ac: Completely disregard languages that are not
7645 * configure: Regenerated.
7648 * c-common.h (c_build_bitfield_integer_type): Declare.
7649 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7650 * c-common.c (c_build_bitfield_integer_type): ... here.
7652 2006-04-23 Roger Sayle <roger@eyesopen.com>
7655 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7656 a SImode SUBREG of a floating point register after no_new_pseudos.
7658 2006-04-23 Roger Sayle <roger@eyesopen.com>
7660 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7661 identify potentially eliminable registers to additionally catch
7662 VIRTUAL_INCOMING_ARGS_REGNUM.
7663 (addsi3): Update the conditions on when to use addsi_small_int.
7665 2006-04-23 Roger Sayle <roger@eyesopen.com>
7668 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7669 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7670 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7672 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7674 * fold-const.c (range_predecessor): Use operand_equal_p
7675 as the predicate for equality.
7676 (range_successor): Likewise.
7678 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7681 * config/soft-fp/op-common.h: Fix a typo.
7683 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7686 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7687 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7689 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7691 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7693 * doc/tm.texi: Fix a typo.
7695 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7697 * dwarf2out.c (struct die_struct): Document that die_sib makes
7698 a circular linked list.
7699 (FOR_EACH_CHILD): New.
7700 (reverse_die_lists): Delete.
7701 (reverse_all_dies): Delete.
7702 (add_dwarf_attr): Correct documentation.
7703 (remove_child_with_prev): New.
7704 (remove_child_TAG): Update for change to die_struct, use
7705 remove_child_with_prev.
7706 (add_child_die): Update for change to die_struct.
7707 (splice_child_die): Use remove_child_with_prev and add_child_die.
7708 (print_die): Use FOR_EACH_CHILD.
7709 (die_checksum): Likewise.
7710 (assign_symbol_names): Likewise.
7711 (output_location_lists): Likewise.
7712 (build_abbrev_table): Likewise.
7713 (calc_die_sizes): Likewise.
7714 (mark_dies): Likewise.
7715 (unmark_dies): Likewise.
7716 (unmark_all_dies): Likewise.
7717 (output_die): Likewise.
7718 (prune_unused_types_mark): Likewise.
7719 (prune_unused_types_walk): Likewise.
7720 (same_die_p): Update for change to die_struct.
7721 (break_out_includes): Likewise.
7722 (prune_unused_types_prune): Likewise.
7723 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7724 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7726 (dwarf2out_finish): Don't call reverse_all_dies.
7728 2006-04-21 Eric Christopher <echristo@apple.com>
7730 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7731 in comments and function names.
7733 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7736 * c-typeck.c (digest_init): Robustify.
7738 * c-typeck.c (pop_init_level): Simplify.
7740 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7742 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7744 2006-04-21 Paul Brook <paul@codesourcery.com>
7746 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7747 hardware floating point.
7749 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7751 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7754 2006-04-21 Nick Clifton <nickc@redhat.com>
7756 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7759 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7762 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7763 C++ lang type in traceback table for Objective-C++.
7765 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7767 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7769 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7771 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7774 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7775 were errors. Remove check for erroneous objects.
7777 2006-04-20 Jeff Law <law@redhat.com>
7779 PR tree-optimization/26854
7780 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7781 checking for zero or one use.
7782 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7783 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7784 * tree-ssa-reassoc.c (negate_value): Similarly.
7785 (reassociate_bb): Similarly.
7787 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7789 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7790 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7791 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7793 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7795 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7796 fp regs if the last fp arg doesn't fit in regs.
7798 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7801 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7802 that the last insn has the REG_INC note.
7804 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7805 Nathan Sidwell <nathan@codesourcery.com>
7808 * stor-layout.c (update_alignment_for_field): Do not align
7810 (place_union_field): Place union field at the start of the union.
7811 (place_field): Move ERROR_MARK check later, and use the current
7812 allocation position to maintain monotonicity.
7814 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7816 * dominance.c: Include timevar.h.
7817 (calculate_dominance_info): Use TV_DOMINANCE.
7818 * timevar.def (TV_DOMINANCE): New timevar.
7819 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7821 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7823 PR rtl-optimization/14261
7824 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7825 move would be an INSV insn.
7826 (noce_process_if_block): Don't optimize if the destination is a
7827 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7829 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7831 * config/s390/s390.md: Add comments with the instructions emitted
7832 by an insn pattern if macros are used.
7834 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7836 PR rtl-optimization/26026
7837 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7838 is a known power of two shifted left a variable amount.
7840 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7842 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7843 to hash table twice when the debug_str section has SECTION_MERGE.
7845 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7847 * config/soft-fp: New directory. From glibc.
7848 * config/soft-fp/t-softfp: New.
7849 * config/soft-fp/README: New.
7850 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7851 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7852 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7853 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7854 * config.gcc: Use rs6000/t-fprules-fpbit or
7855 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7857 * config/rs6000/sfp-machine.h: New. Based on glibc.
7858 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7860 * config/rs6000/t-fprules: Remove fp-bit rules.
7861 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7862 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7863 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7864 (softfp_wrap_start, softfp_wrap_end): New.
7866 2006-04-18 DJ Delorie <dj@redhat.com>
7868 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7870 2006-04-18 Devang Patel <dpatel@apple.com>
7872 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7874 2006-04-18 Nick Clifton <nickc@redhat.com>
7876 * config/sh/t-symbian: Add rule to build sh-c.o
7877 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7878 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7879 (sh_symbian_encode_section_info): Likewise.
7881 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7883 * builtins.c (expand_builtin_strcmp): Cover label definition of
7884 do_libcall with HAVE_cmpstrnsi.
7886 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7888 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7890 * function.h (temp_slot_p): New.
7891 (function): Change the type of x_used_temp_slots to
7892 VEC(temp_slot_p,gc) *.
7894 2006-04-18 Nick Clifton <nickc@redhat.com>
7896 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7897 flag_strength_reduce.
7899 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7901 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7905 Partial revert of revision 112637
7906 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7907 Dale Johannesen <dalej@apple.com>
7910 * regclass.c (struct reg_pref): Update documentation.
7911 (regclass): Set prefclass to NO_REGS if memory is the best option.
7912 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7914 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7916 PR tree-optimization/26821
7917 * tree-ssa-math-opts.c (get_constant_one): New.
7918 (insert_reciprocals): Use it.
7920 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7922 * dwarf2out.c (free_AT): Delete.
7923 (remove_AT): Update string ref counts.
7924 (remove_child_TAG): Don't call free_die.
7926 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7927 or DW_TAG_GNU_EINCL.
7928 (prune_unused_types_walk_attribs): Reset string refcounts.
7929 (prune_unused_types_update_strings): New.
7930 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7931 call free_die. Do call prune_unused_types_update_strings.
7932 (prune_unused_types): Empty debug_str_hash.
7934 2006-04-17 Roger Sayle <roger@eyesopen.com>
7936 * expr.c (expand_assignment): Optimize away no-op moves where the
7937 source and destination are equal and have no side-effects.
7939 2006-04-17 Richard Guenther <rguenther@suse.de>
7942 * reload.c (push_reload): Guard calls to get_secondary_mem
7945 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7947 * alias.c (reg_base_value, old_reg_base_value): Change the
7948 type to VEC(rtx,gc) *.
7949 (REG_BASE_VALUE, find_base_value, record_set,
7950 init_alias_analysis): Use VEC instead of VARRAY.
7952 * alias.c (alias_sets): Change the type to
7953 VEC(alias_set_entry,gc) *.
7954 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7955 VEC instead of VARRAY.
7956 (last_alias_set): Remove.
7958 * cgraph.h (cgraph_edge_p): New.
7959 Update the prototype of cgraph_function_versioning.
7960 * cgraphunit.c (cgraph_copy_node_for_versioning,
7961 cgraph_function_versioning): Use VEC instead of VARRAY.
7962 * ipa-cp.c (ipcp_insert_stage): Likewise.
7964 2006-04-16 Roger Sayle <roger@eyesopen.com>
7967 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7968 "A op B" or "A op C", we may need to convert A to the type of B and C.
7970 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7972 * target.h (struct gcc_target): Add mode_rep_extended.
7973 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7974 (init_num_sign_bit_copies_in_rep): Initialize it using
7976 (truncate_to_mode): Use it.
7977 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7978 * targhooks.h (default_mode_rep_extended): Declare it.
7979 * targhooks.c (default_mode_rep_extended): Define it.
7980 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7981 default_mode_rep_extended.
7982 (TARGET_INITIALIZER): Include it.
7983 * doc/tm.texi (Misc): Document it.
7984 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7985 (mips_truncated_to_mode): New function.
7987 2006-04-16 Roger Sayle <roger@eyesopen.com>
7990 * expr.c (compress_float_constant): Copy the narrow constant into
7991 a new pseudo before extending it to its final width.
7993 2006-04-16 Roger Sayle <roger@eyesopen.com>
7994 Andrew Pinski <pinskia@gcc.gnu.org>
7995 Dale Johannesen <dalej@apple.com>
7998 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7999 special case code to implement V8HImode and V16QImode with SSE2.
8001 2006-04-15 Roger Sayle <roger@eyesopen.com>
8003 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8004 trees are constructed with a suitable tree type.
8006 2006-04-15 Roger Sayle <roger@eyesopen.com>
8008 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8009 (integer_onep): Likewise.
8010 (integer_all_onesp): Likewise.
8011 (integer_pow2p): Likewise.
8012 (integer_nonzerop): Likewise.
8013 (real_zerop): Likewise.
8014 (real_onep): Likewise.
8015 (real_twop): Likewise.
8016 (real_minus_onep): Likewise.
8017 (int_size_in_bytes): Likewise.
8018 (host_integerp): Likewise.
8020 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8022 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8023 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8024 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8026 * tree-ssa-structalias.h (alias_info): Remove num_references.
8028 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8030 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8031 (output_bvb patterns): Likewise.
8032 * pa.c (output_bb): Use 'bb' insn for long branch case.
8033 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8034 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8035 1. Correct length operand for alternatives 1 and 2.
8036 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8037 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8039 2006-04-14 Roger Sayle <roger@eyesopen.com>
8041 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8042 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8043 were accidentally reverted by r112959.
8045 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8048 * except.h (eh_region_outermost): New prototype.
8049 * except.c (eh_region_outermost): New function.
8050 * tree-cfg.c (find_outermost_region_in_block): Use it.
8052 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8054 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8056 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8057 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8058 (init_reload, reload): Use VEC instead of VARRAY.
8059 * reload.h: Update the prototype for
8060 reg_equiv_memory_loc_varray.
8062 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8063 Eric Botcazou <ebotcazou@libertysurf.fr>
8065 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8068 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8071 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8072 to expand fallback builtin function call.
8074 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8077 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8078 and emit libcall here in case the builtin fails.
8079 (expand_builtin_strcmp): Always emit the libcall here on failure.
8081 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8083 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8084 * flow.c (reg_n_info): Change the type to
8085 VEC(reg_info_p,heap) *.
8086 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8088 * regs.h (reg_info_p): New.
8089 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8090 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8091 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8094 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8096 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8098 * params.h (MAX_SCHED_READY_INSNS): New macro.
8099 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8100 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8101 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8102 the ready list for 1 cycle during the first scheduling pass.
8103 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8105 2006-04-13 Richard Henderson <rth@redhat.com>
8108 * gimple-low.c (lower_omp_directive): Remove dead code.
8109 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8110 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8111 * omp-low.c (struct omp_region): Move to tree-flow.h.
8112 (root_omp_region): Export.
8113 (omp_regions, lookup_omp_region): Remove.
8114 (determine_parallel_type): Update for struct omp_region changes.
8115 (dump_omp_region): Dump regions with block numbers.
8116 (new_omp_region): Take type and block instead of stmt; malloc
8118 (free_omp_region_1, free_omp_regions): New.
8119 (expand_parallel_call): Take entry_stmt as argument; update for
8120 changes to omp_region.
8121 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8122 (remove_exit_barriers): New.
8123 (expand_omp_parallel): Update for struct omp_region changes.
8124 (expand_omp_synch): Likewise.
8125 (expand_omp): Likewise.
8126 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8127 (expand_omp_for_static_chunk): Likewise.
8128 (expand_omp_for): Likewise.
8129 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8130 (expand_omp_sections): Similarly, with GOMP_sections_end.
8131 (expand_omp_single): New.
8132 (build_omp_regions_1): Update for OMP_CONTINUE.
8133 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8134 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8135 OMP_SECTIONS_SECTIONS.
8136 (lower_omp_single_simple): Don't emit barrier here.
8137 (lower_omp_single_copy): Likewise.
8138 (lower_omp_single): Fix bindings, and lower to straightline now.
8139 (lower_omp_master, lower_omp_ordered): Likewise.
8140 (lower_omp_critical): Likewise.
8141 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8142 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8143 omp edges, free it afterward.
8144 (make_omp_sections_edges): Remove.
8145 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8146 (move_stmt_r): Handle OMP_CONTINUE.
8147 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8148 statement pointers to basic blocks. Add type member.
8149 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8150 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8151 * tree-inline.c (estimate_num_insns_1): Likewise.
8152 * tree-pretty-print.c (dump_generic_node): Likewise.
8153 * tree-ssa-operands.c (get_expr_operands): Likewise.
8154 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8155 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8156 (OMP_CONTINUE): New.
8157 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8158 (OMP_SECTIONS_SECTIONS): Remove.
8159 (OMP_SECTION_LAST): New.
8160 (OMP_RETURN_NOWAIT): New.
8162 2006-04-13 Roger Sayle <roger@eyesopen.com>
8164 * fold-const.c (native_encode_vector, native_interpret_real):
8165 Correct obvious mistakes in the previous check-in.
8167 2006-04-13 Roger Sayle <roger@eyesopen.com>
8169 * fold-const.c (native_encode_expr): New function to encode
8170 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8171 or VECTOR_CST into a specified buffer.
8172 (native_encode_int): New function.
8173 (native_encode_real): New function.
8174 (native_encode_complex): New function.
8175 (native_encode_vector): New function.
8176 (native_interpret_expr): Inverse of native_encode_expr to convert
8177 a target representation into an INTEGER_CST, REAL_CST etc...
8178 (native_interpret_int): New function.
8179 (native_interpret_real): New function.
8180 (native_interpret_complex): New function.
8181 (native_interpret_vector): New function.
8182 (fold_view_convert_expr): New function to constant fold/evaluate
8183 a VIEW_CONVERT_EXPR of a suitable constant expression.
8184 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8185 Change call of build1 to fold_build1 when constructing a
8188 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8189 Ulrich Weigand <uweigand@de.ibm.com>
8192 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8195 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8198 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8199 optimize to lo_sum for DFmode if !TARGET_FPRS.
8201 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8203 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8204 delete_alias_info, compute_flow_sensitive_aliasing,
8205 group_aliases): Use VEC instead of VARRAY.
8206 * tree-ssa-structalias.c (update_alias_info): Likewise.
8207 * tree-ssa-structalias.h (alias_info): Change the type of
8208 processed_ptrs to VEC(tree,heap) *.
8210 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8213 * config/sh/lib1funcs.h: New file, broken out of:
8214 * config/sh/lib1funcs.asm.
8215 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8217 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8218 * config/sh/lib1funcs-Os-4-200.asm: New file.
8219 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8220 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8221 (EXTRA_MULTILIB_PARTS): Include it.
8222 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8223 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8224 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8225 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8228 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8230 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8231 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8232 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8234 * tree-ssa-live.h: Include vecprim.h.
8235 (tree_partition_associator_d): Change the type of
8236 first_partition to VEC(int,heap) *.
8237 (tpa_first_partition): Use VEC instead of VARRAY.
8239 * Makefile.in (GTFILES): Move functions.h after tree.h.
8240 * function.c (reset_block_changes, record_block_change,
8241 check_block_change, free_block_changes): Use VEC instead of
8243 * function.h (function): Change the type of
8244 ib_boundaries_block to VEC(tree,gc) *.
8245 * tree-inline.c (copy_cfg_body): Initialize
8246 ib_boundaries_block to NULL instead of (varray_type) 0.
8248 2006-04-12 Roger Sayle <roger@eyesopen.com>
8250 * expr.c (emit_group_store): Correct operand order in call to
8251 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8252 a SUBREG_BYTE of zero.
8254 2006-04-12 Richard Guenther <rguenther@suse.de>
8256 * profile.c (compute_branch_probabilities): Remove code
8257 encapsulated in !ir_type (), which are remanents of the
8258 removed RTL profiling code.
8259 * rtl-profile.c: Remove.
8261 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8263 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8264 magic NULL_RTX comment.
8265 (function_arg): Store entire fp arg to mem if any part should go
8267 (rs6000_arg_partial_bytes): Adjust for above change.
8269 2006-04-11 Roger Sayle <roger@eyesopen.com>
8271 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8272 if it hasn't been initialized by dwarf2out_init.
8274 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8276 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8277 symbolic constants in branch patterns.
8279 2006-04-11 Roger Sayle <roger@eyesopen.com>
8281 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8283 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8285 PR rtl-optimization/27073
8286 * gcse.c (try_replace_reg): Revert last change. Continue to search
8287 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8290 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8292 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8293 aggregate types other than record and union types.
8294 (function_arg): Likewise.
8295 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8297 (function_value): In 64-bit mode, return objects that require it
8300 2006-04-11 Roger Sayle <roger@eyesopen.com>
8302 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8304 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8306 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8308 2006-04-03 Jeff Law <law@redhat.com>
8311 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8312 alias information too.
8314 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8316 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8318 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8321 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8322 (premark_used_types_helper): New.
8323 (premark_used_types): New.
8324 (gen_subprogram_die): Call premark_used_types.
8325 (prune_unused_types_walk): Do not prune perennial dies.
8326 * function.c (used_types_insert): New.
8327 * function.h (struct function): Add used_types_hash field.
8328 (used_types_insert): Add prototype.
8329 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8330 * c-parser.c (c_parser_cast_expression): Save casted types in used
8333 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8336 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8337 rs6000_explicit_options.float_gprs.
8339 2006-04-10 Roger Sayle <roger@eyesopen.com>
8341 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8342 from ix86_expand_vector_init_low_nonzero. Take an additional
8343 one_var argument indicating which element is non-zero. Support
8344 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8345 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8346 with one_var instead of ix86_expand_vector_init_low_nonzero.
8348 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8350 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8351 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8352 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8353 build/genextract.o): Depend on vecprim.h.
8354 * cfglayout.c, df-problems.c, function.c, genextract.c,
8355 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8356 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8360 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8362 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8363 Declare VECs of this type.
8364 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8365 (remove_children): Delete.
8366 (add_dwarf_attr): Use VEC routines.
8367 (add_AT_flag): Update for changes to add_dwarf_attr.
8368 (add_AT_int): Likewise.
8369 (add_AT_unsigned): Likewise.
8370 (add_AT_long_long): Likewise.
8371 (add_AT_vec): Likewise.
8372 (add_AT_string): Likewise.
8373 (add_AT_die_ref): Likewise.
8374 (add_AT_fde_ref): Likewise.
8375 (add_AT_loc): Likewise.
8376 (add_AT_loc_list): Likewise.
8377 (add_AT_addr): Likewise.
8378 (add_AT_lbl_id): Likewise.
8379 (add_AT_lineptr): Likewise.
8380 (add_AT_macptr): Likewise.
8381 (add_AT_offset): Likewise.
8382 (add_AT_range_list): Likewise.
8383 (get_AT): Use VEC_iterate.
8384 (remove_AT): Use VEC_ordered_remove.
8385 (free_die): Fold remove_children into here; have it use VEC_iterate.
8386 (print_die): Use VEC_iterate on attrs.
8387 (reverse_die_lists): Don't reverse attr lists.
8388 (die_checksum): Use VEC_iterate on attrs.
8389 (same_die_p): Likewise.
8390 (output_location_lists): Likewise.
8391 (build_abbrev_table): Likewise.
8392 (size_of_die): Likewise.
8393 (unmark_all_dies): Likewise.
8394 (output_abbrev_section): Likewise.
8395 (output_die): Likewise.
8396 (prune_unused_types_walk_attribs): Likewise.
8398 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8400 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8402 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8405 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8407 2006-04-09 Roger Sayle <roger@eyesopen.com>
8409 * expr.c (store_constructor): Don't bother clearing target if
8410 we're about to assign a vector to it using vec_init_optab.
8412 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8414 * tree-ssa-alias.c (lhs_may_store_to): New function.
8415 (recalculate_used_alone): Handle LHS of calls.
8417 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8421 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8422 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8423 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8424 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8425 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8426 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8427 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8428 stubs. Add ".align 8" directives before all ".dword" directives.
8429 (GTHREAD_USE_WEAK): Revise comment.
8430 (TARGET_ATTRIBUTE_WEAK): Define.
8431 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8432 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8433 * stublib.c: New file.
8438 * pa.md (cbranch patterns): Revise arguments used in calls to
8439 output_cbranch, output_bb and output_bvd. Add long branch length
8441 (fbranch patterns): Handle long branches.
8442 (jump): Revise length check. Revise arguments for output_lbranch call.
8443 Add long branch length attributes.
8444 (decrement_and_branch_until_zero): Add long branch length attributes.
8445 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8446 Likewise. Revise arguments for output_parallel_addb and
8447 output_parallel_movb calls.
8448 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8449 output_parallel_movb and output_parallel_addb): Update prototypes.
8450 * pa.c (output_cbranch): Revise arguments. Correct handling of
8451 nullification in long branches.
8452 (output_lbranch): Add new argument to control extraction of delay
8454 (output_bb): Handle long branches.
8455 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8456 output_parallel_addb): Likewise.
8458 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8460 PR rtl-optimization/27073
8461 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8464 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8466 * tree.h (tree_memory_tag): Add old_used_alone.
8467 (SMT_OLD_USED_ALONE): New macro.
8468 * tree-ssa-alias.c (recalculate_used_alone): Stop
8469 marking things for renaming unnecessarily.
8471 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8473 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8474 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8475 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8476 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8477 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8478 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8479 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8480 spelling convensions.
8481 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8482 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8483 typos. Follow spelling conventions.
8485 2006-04-07 DJ Delorie <dj@redhat.com>
8487 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8488 passed on the stack.
8489 (m32c_init_cumulative_args): When a function returns a structure,
8490 always pass the pointer to that return area on the stack.
8491 (m32c_function_arg_advance): Don't increment the parameter number
8492 if we're processing the returned structure pointer.
8493 (pushm_info): Reverse order of registers.
8495 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8497 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8498 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8499 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8500 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8502 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8503 chrec_fold_multiply): Same.
8504 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8505 force_expr_to_var_cost): Same.
8506 * tree-mudflap.c (mf_xform_derefs_1): Same.
8507 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8509 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8511 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8512 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8515 2006-04-07 Jan Hubicka <jh@suse.cz>
8517 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8519 2006-04-07 Richard Guenther <rguenther@suse.de>
8521 PR tree-optimization/26135
8522 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8523 loads for store copy-prop.
8524 (copy_prop_visit_stmt): Likewise.
8526 2006-04-05 Robert Millan <robertmh@gnu.org>
8528 * config/i386/linux.h: Add a comment to mark macros that are
8529 being overriden in config/k*bsd-gnu.h.
8530 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8532 * config/knetbsd-gnu.h: Ditto.
8534 2006-04-06 Jan Hubicka <jh@suse.cz>
8538 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8541 2006-04-06 Mike Stump <mrs@apple.com>
8543 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8544 for HAVE_nonlocal_goto to be consistent.
8545 (expand_builtin_nonlocal_goto): Likewise.
8546 (expand_builtin_strcmp): Use #ifdef instead of #if
8547 for HAVE_cmpstrnsi to be consistent.
8549 2006-04-05 DJ Delorie <dj@redhat.com>
8551 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8554 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8556 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8557 got-relative addressing for anything but SImode.
8559 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8560 even if the calling function doesn't modify them.
8562 2006-04-05 Richard Guenther <rguenther@suse.de>
8564 PR tree-optimization/26919
8565 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8566 to cgraph_estimate_size_after_inlining.
8568 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8570 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8572 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8574 PR tree-optimization/26996
8575 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8576 VECTOR_TYPE variables.
8578 2006-04-05 Richard Guenther <rguenther@suse.de>
8580 PR tree-optimization/26763
8581 * fold-const.c (fold_comparison): Move folding of
8582 PTR + CST CMP PTR + CST ...
8583 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8585 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8587 * doc/install.texi (Prerequisites): Refine some wording on
8588 bootstrapping and ksh.
8589 Move the version numbers of DejaGnu here from the testing section
8590 and fix casing of names.
8591 Fix markup and clarify wording for autogen requirements.
8592 Refer to GCJ instead of just java.
8593 Refer to SVN instead of CVS.
8594 Describe diffutils as useful instead of necessary.
8595 (Downloading the source): Refer to SVN instead of CVS.
8596 Adjust a link to our web site accordingly.
8597 (Configuration): Fix casing of Bison.
8598 (Building): Refer to SVN instead of CVS.
8599 Fix a sentence on the use of Bison and remove duplicate (and
8600 incorrect) version number of Bison requirement.
8601 Remove one redundant list of packages needed for building.
8602 (Specific): Avoid reference to CVS.
8604 2006-04-04 Eric Christopher <echristo@apple.com>
8606 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8607 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8608 (rs6000_handle_struct_attribute): New.
8609 (rs6000_ms_bitfield_layout_p): Ditto.
8611 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8613 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8614 NULL for dso parameter to atexit_common.
8616 2006-04-04 Eric Christopher <echristo@apple.com>
8618 * config/i386/i386.c (machopic_output_stub): Output \t
8619 between instructions and operands.
8621 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8623 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8624 satisfies_constraint_[IL] to explicit tests on value.
8626 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8628 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8629 set_nb_iterations_in_loop): Use build_int_cst instead of
8631 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8632 build_int_cst instead of convert.
8634 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8636 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8637 new value 2 for incoming.
8638 * function.c (expand_function_start): Call struct_value_rtx
8640 * config/sparc/sparc.md: Comment updated_return.
8641 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8642 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8643 struct return if sparc_std_struct_return and incoming is 2.
8644 (print_operand): Do not adjust return if
8645 sparc_std_struct_return.
8647 2006-04-04 Roger Sayle <roger@eyesopen.com>
8649 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8650 convert in the middle-end.
8651 * expr.c (store_expr, store_constructor, get_inner_reference,
8652 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8654 * tree.c (build_range_type): Likewise.
8656 2006-04-04 Tom Tromey <tromey@redhat.com>
8658 * doc/install.texi (Prerequisites): Mention jar.
8660 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8662 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8665 2006-04-04 Matthias Klose <doko@debian.org>
8667 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8671 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8674 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8676 * doc/extend.texi (Function Attributes): Rewrite visibility
8677 attribute documentation.
8678 * doc/invoke.texi (C++ Dialect Options): Rewrite
8679 -fvisibility-inlines-hidden documentation to describe something
8680 entirely different, although in practise compatible.
8681 (Code Gen Options): Warn about system headers in -fvisibility=
8684 * doc/extend.texi (Other Builtins): Document that
8685 __builtin_nan is a compile-time constant only when its argument
8688 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8690 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8691 trying to remove TRUNCATE check if all bits outside the new mode
8692 are identical to the sign bit.
8694 2006-04-03 Jeff Law <law@redhat.com>
8696 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8697 and operand scanning in some common cases.
8699 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8700 Dale Johannesen <dalej@apple.com>
8703 * regclass.c (struct reg_pref): Update documentation.
8704 (regclass): Set prefclass to NO_REGS if memory is the best option.
8705 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8706 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8707 into account. For non-registers, equate an empty preferred
8708 reload class to a `!' in the constraint; move the if clause to
8709 do so after those that reject the insn.
8710 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8712 (find_dummy_reload): Likewise.
8713 * doc/tm.texi (Register Classes): Document what it means
8714 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8715 * config/i386/i386.c (ix86_preferred_reload_class): Force
8716 using SSE registers (and return NO_REGS for floating-point
8717 constants) if math is done with SSE.
8718 (ix86_preferred_output_reload_class): New.
8719 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8720 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8721 * config/i386/i386.md: Remove # register preferences.
8723 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8726 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8727 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8728 the type of nb_iter.
8729 (instantiate_parameters_1): Convert the operands before calling
8730 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8731 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8733 2006-04-02 Roger Sayle <roger@eyesopen.com>
8735 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8736 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8738 * dojump.c (do_jump): Likewise.
8739 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8740 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8741 gimplify_boolean_expr): Likewise.
8742 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8743 * varasm.c (array_size_for_constructor): Likewise.
8744 * tree-object-size.c (compute_object_offset): Likewise.
8746 2006-04-02 Roger Sayle <roger@eyesopen.com>
8749 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8750 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8752 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8754 PR tree-optimization/26939
8755 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8757 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8759 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8760 at_stmt. Convert the type of operands before calling
8761 build_polynomial_chrec.
8762 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8764 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8765 (instantiate_parameters_1): Convert the type of operands before calling
8766 build_polynomial_chrec.
8767 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8768 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8769 reset_evolution_in_loop): Insert asserts to check the types of the
8771 (chrec_type): Moved...
8772 (eq_evolutions_p): Use operand_equal_p.
8773 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8774 the types of the operands.
8775 (chrec_type): ...here.
8776 * tree-data-ref.c (create_data_ref): Convert the operands before
8777 calling chrec_replace_initial_condition.
8778 (same_access_functions, analyze_subscript_affine_affine,
8779 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8780 (compute_subscript_distance, analyze_ziv_subscript,
8781 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8782 analyze_miv_subscript): Convert the operands before calling
8783 chrec_fold_minus or chrec_fold_plus.
8785 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8787 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8788 the dependence_relations vector.
8789 (compute_data_dependences_for_loop): Adjust call to
8790 compute_all_dependences.
8792 2006-04-01 Roger Sayle <roger@eyesopen.com>
8793 Richard Henderson <rth@redhat.com>
8795 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8796 gimple_boolify on the condition before calling gimplify_expr.
8798 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8800 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8801 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8802 the frame size. Update to use the new macros.
8803 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8804 * config/xtensa/ieee754-df.S: Likewise.
8806 2006-03-31 Richard Henderson <rth@redhat.com>
8808 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8809 (make_edges): ... here. Control fallthru creation with a local
8810 variable. Do not play with fake edges.
8811 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8812 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8815 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8817 * dwarf2.h (DW64_CIE_ID): Define.
8818 * dwarf2out.c (DWARF_CIE_ID): Define.
8819 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8820 length header. Use DWARF_CIE_ID.
8821 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8822 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8824 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8826 * config/sh/linux-atomic.asm: New file.
8827 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8829 2006-03-31 DJ Delorie <dj@redhat.com>
8831 * config/m32c/cond.md: Set condition flags properly throughout.
8832 * config/m32c/minmax.md: Likewise.
8833 * config/m32c/prologue.md: Likewise.
8834 * config/m32c/bitops.md: Likewise.
8835 * config/m32c/muldiv.md: Likewise.
8836 * config/m32c/mov.md: Likewise.
8837 * config/m32c/addsub.md: Likewise.
8838 * config/m32c/m32c.md: Likewise.
8839 * config/m32c/jump.md: Likewise.
8840 * config/m32c/shift.md: Likewise.
8842 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8843 conditionally output the pattern for this.
8844 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8845 (m32c_compare_redundant): New.
8846 (m32c_output_compare): New.
8847 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8849 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8850 dest, not src. Allow other 4-byte modes.
8852 2006-03-30 Denis Chertykov <denisc@overta.ru>
8854 * doc/md.texi: Refer to avr/constraints.md instead of
8857 2006-03-30 Roger Sayle <roger@eyesopen.com>
8859 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8860 signed vs. unsigned comparison failures on some hosts.
8862 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8865 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8866 change to FLOAT_REGS.
8868 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8869 (rs6000_override_options): Use it.
8870 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8871 only for -mabi=spe/no-spe and -mabi=altivec.
8873 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8875 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8878 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8880 * Makefile.in: Rename docdir to gcc_docdir.
8882 2006-03-30 Roger Sayle <roger@eyesopen.com>
8885 * expr.c (emit_group_store): Optimize group stores into a pseudo
8886 register by using a paradoxical subreg to initialize the destination
8887 if the first or last member of the group specifies a "low part".
8889 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8892 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8893 * target.h (struct gcc_target.speculate_insn): Change type of the
8894 second parameter to 'int'.
8895 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8896 the second operand of the DEPS_LIST.
8897 (copy_DEPS_LIST_list): Update reference to the second operand of the
8899 * rtl.h (alloc_DEPS_LIST): Update signature.
8900 * sched-int.h (ds_t): Change typedef to 'int'.
8901 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8903 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8905 * haifa-sched.c (try_ready): Change condition to restore
8906 non-speculative pattern of the instruction.
8907 (process_insn_depend_be_in_spec): Code to keep probability of the
8908 speculative dependence non-decreasing.
8910 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8912 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8913 (single_move_for_movmem): ... this. Also change all uses.
8914 (bfin_expand_strmov): Renamed to...
8915 (bfin_expand_movmem): ... this. Also change all uses.
8916 * config/bfin/bfin.md (movstrsi): Renamed to...
8917 (movstrsi): ...this.
8919 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8921 PR tree-optimization/26830
8923 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8924 (copy_prop_visit_stmt): Remove write-only variable ann.
8925 (init_copy_prop): Check variable loop depth here. Do not simulate
8926 memory-tag and virtual operand PHIs except for store copy prop.
8928 2006-03-30 Richard Guenther <rguenther@suse.de>
8930 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8931 variants with double arguments.
8933 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8935 * genpreds.c (write_tm_constrs_h): Delete variable p.
8936 * genconditions.c (write_header): Add tm-constrs.h to included
8938 * genpeep.c (main): Add toplev.h to included headers.
8939 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8940 (build/genpeep.o): Add toplev.h dependency.
8941 * config/rs6000/constraints.md: Add "W" constraint.
8943 2006-03-29 Roger Sayle <roger@eyesopen.com>
8945 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8946 sizes by correctly testing whether the size fits a host integer.
8947 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8948 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8949 SImode range for the default sizetype and bitsizetype.
8951 2006-03-29 Roger Sayle <roger@eyesopen.com>
8953 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8954 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8955 quickly if the argument is already of the correct type.
8956 Call fold_build1 instead of build1. Tidy up blank lines.
8958 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8960 * genemit.c (main): Add tm-constrs.h to included headers.
8961 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8962 * genpeep.c (main): Add tm-constrs.h to included headers.
8963 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8964 (write_tm_constrs_h): this and write complete file.
8965 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8966 (write_insn_preds_c): Add tm-constrs.h to included headers.
8967 (gen_constrs): New variable.
8968 (parse_option): Parse "-c".
8969 (main): Invoke write_tm_constrs_h.
8970 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8971 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8972 (object_out_file): Add tm-constrs.h dependency.
8973 (insn-emit.o): Same.
8974 (insn-output.o): Same.
8975 (insn-peep.o): Same.
8976 (insn-preds.o): Same.
8977 (insn-recog.o): Same.
8978 (tm-constsr.h): New target.
8979 (s-constrs-h): New target.
8981 * config/rs6000/constraints.md: New file.
8982 * config/rs6000/rs6000.c: Include tm-constrs.h.
8983 (num_insn_constant_wide): Convert to satisfies_constraint.
8984 (rs6000_rtx_costs): Convert to satisfies_constraint.
8985 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8986 (CONST_OK_FOR_LETTER_P): Delete.
8987 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8988 (EXTRA_CONSTRAINT): Delete.
8989 (EXTRA_MEMORY_CONSTRAINT): Delete.
8990 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8991 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8992 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8993 satisfies_constraint.
8995 * config/i386/i386.c: Include tm-constrs.h.
8997 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8999 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9000 * tree-data-ref.c (find_data_references_in_loop,
9001 compute_data_dependences_for_loop): Use pointers to VEC.
9002 (analyze_all_data_dependences): Adjust calls.
9003 * tree-data-ref.h (find_data_references_in_loop,
9004 compute_data_dependences_for_loop): Adjust declarations.
9005 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9006 compute_data_dependences_for_loop.
9008 2006-03-29 Paul Brook <paul@codesourcery.com>
9010 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9013 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9015 PR tree-optimization/26859
9016 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9018 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9019 for the step after fold_convert.
9021 2006-03-29 Paul Brook <paul@codesourcery.com>
9023 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9024 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9026 2006-03-29 Paul Brook <paul@codesourcery.com>
9029 * targhooks.c (default_narrow_bitfield): New fuction.
9030 * targhooks.h (default_narrow_bitfield): add prototype.
9031 * target.h (gcc_target): Add narrow_volatile_bitfield.
9032 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9033 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9034 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9035 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9037 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9039 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9041 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9042 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9043 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9044 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9045 (s390_function_arg_float): Allow SDmode and DDmode values to be
9046 passed in floating point registers.
9047 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9048 check with SCALAR_FLOAT_MODE_P.
9049 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9051 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9053 PR tree-optimization/25985
9054 * tree-ssa-loop-niter.c (number_of_iterations_le,
9055 number_of_iterations_ne): Make comments more precise.
9056 (number_of_iterations_cond): Add only_exit argument. Use the
9057 fact that signed variables do not overflow only when only_exit
9059 (loop_only_exit_p): New.
9060 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9061 number_of_iterations_cond.
9063 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9065 PR tree-optimization/26643
9066 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9069 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9071 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9072 (divsi3_i4_int): Likewise.
9074 2006-03-28 Roger Sayle <roger@eyesopen.com>
9076 * expr.c (emit_group_store): Only create a new pseudo reg if the
9077 quantity it needs to hold isn't already a suitable pseudo.
9079 2006-03-28 Jeff Law <law@redhat.com>
9081 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9082 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9084 2006-03-28 Roger Sayle <roger@eyesopen.com>
9086 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9087 the equivalent ~X & Y, and the symmetry related transformations.
9088 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9089 ~X & Y, and symmetry related transforms.
9091 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9093 Revert my 2006-03-27 patches.
9095 2006-03-28 Roger Sayle <roger@eyesopen.com>
9097 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9098 ~(T1)X, when T1 and T2 are integer types of the same precision
9099 and (T2)X isn't an extension.
9101 2006-03-28 Jeff Law <law@redhat.com>
9103 PR tree-optimization/26796
9104 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9105 need EH edge cleanups rather than purging them immediately.
9106 (eliminate_degenerate_phis): Handle queued EH cleanups.
9108 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9110 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9113 2006-03-27 Roger Sayle <roger@eyesopen.com>
9116 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9117 cast BIT_NOT_EXPR operand to the correct type.
9119 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9121 * tree-loop-linear.c: Don't include varray.h.
9122 (gather_interchange_stats, try_interchange_loops,
9123 linear_transform_loops): Use VEC instead of VARRAY.
9124 * lambda-mat.c: Don't include varray.h.
9125 * tree-chrec.c: Same.
9126 * lambda-trans.c: Same.
9127 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9128 VEC instead of VARRAY.
9129 * tree-vectorizer.h: Idem.
9130 * tree-data-ref.c (dump_data_references,
9131 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9132 initialize_data_dependence_relation, finalize_ddr_dependent,
9133 compute_all_dependences, find_data_references_in_loop,
9134 compute_data_dependences_for_loop, analyze_all_data_dependences,
9135 free_dependence_relation, free_dependence_relations,
9136 free_data_refs): Idem.
9137 * tree-data-ref.h (data_reference_p, subscript_p): New.
9138 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9139 VEC instead of VARRAY.
9140 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9141 (find_data_references_in_loop, compute_data_dependences_for_loop,
9142 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9143 dump_data_dependence_relations, free_dependence_relations,
9144 free_data_refs): Adjust declaration.
9145 (lambda_transform_legal_p): Move declaration here...
9146 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9147 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9148 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9149 vect_analyze_data_refs): Use VEC instead of VARRAY.
9150 * lambda.h (lambda_transform_legal_p): ...from here.
9151 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9152 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9153 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9154 tree-chrec.o): Don't depend on VARRAY_H.
9156 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9158 * rtl.def (Copyright): Update date.
9159 (DEPS_LIST): Change type of the second operand to 'int'.
9160 * target.h (Copyright): Update date.
9161 (struct gcc_target.speculate_insn): Change type of the second parameter
9163 * lists.c (Copyright): Update date.
9164 (alloc_DEPS_LIST): Change signature. Update reference to the second
9165 operand of the DEPS_LIST.
9166 (copy_DEPS_LIST_list): Update reference to the second operand of the
9168 * rtl.h (Copyright): Update date.
9169 (alloc_DEPS_LIST): Update signature.
9170 * sched-int.h (Copyright): Update date.
9171 (ds_t): Change typedef to 'int'.
9172 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9174 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9176 * haifa-sched.c (Copyright): Update date.
9177 (try_ready): Change condition to restore non-speculative pattern
9179 (process_insn_depend_be_in_spec): Code to keep probability of the
9180 speculative dependence non-decreasing.
9182 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9184 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9185 shut up the compiler.
9187 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9189 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9190 to use lib prefix for target.
9191 ($(T)libic_invalidate_array_4-200.a): Likewise.
9192 ($(T)libic_invalidate_array_4a.a): Likewise.
9194 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9195 J"orn Rennecke <joern.rennecke@st.com>
9197 * superh.opt: New file.
9198 * sh.c (boardtype, osruntime): Remove.
9199 * superh.h (SUBTARGET_OPTIONS): Remove.
9200 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9202 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9203 arguments with ^ and/or [].
9205 * config.gcc (sh-*-*): Add quoting to account for quirk of
9207 Replace == with = in enable_incomplete_targets test.
9209 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9210 with MASK_LITTLE_ENDIAN.
9212 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9213 * config/sh/sh.opt: Added to some comments.
9214 * config/sh/superh.h: Removed some chaff.
9216 * config/sh/sh.opt: Add m4-[1234]00* options.
9217 * config/sh/sh.c (sh_handle_option): Likewise.
9218 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9219 (ic_invalidate_array_4-100.o): New rule.
9220 ($(T)libic_invalidate_array_4-100.a): Likewise.
9221 (ic_invalidate_array_4-200.o): Likewise.
9222 ($(T)libic_invalidate_array_4-200.a): Likewise.
9223 (ic_invalidate_array_4a.o): Likewise.
9224 ($(T)libic_invalidate_array_4a.a): Likewise.
9225 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9226 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9228 * config/sh/crt1.asm: Merged in profiling code.
9229 * config/sh/superh.h (STARTFILE_SPEC): Override.
9230 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9231 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9232 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9234 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9235 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9236 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9238 * sh.opt (mpretend-cmove): New option.
9239 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9240 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9241 (movsicc): Add TARGET_PRETEND_CMOVE code.
9243 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9245 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9246 s390_class_max_nregs): New function prototypes.
9247 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9248 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9249 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9250 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9252 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9254 * dwarf2out.c (add_location_or_const_value_attribute): Call
9255 tree_add_const_value_attribute if nothing else works.
9256 (reference_to_unused): New.
9257 (rtl_for_decl_init): Use reference_to_unused to decide whether
9258 to output an initializer.
9260 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9263 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9264 peephole removing spe frob_di_df_2.
9266 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9268 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9269 (subscript_dependence_tester_1): Declared.
9270 (print_dir_vectors, print_dist_vectors): New.
9271 (debug_data_dependence_relation): New.
9272 (dump_data_dependence_relation): Print more details.
9273 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9274 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9275 (save_dist_v, save_dir_v, add_outer_distances,
9276 build_classic_dist_vector_1): New.
9277 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9278 Don't test for lambda_vector_lexico_pos.
9279 (same_access_functions, add_multivariate_self_dist,
9280 add_other_self_distances, dir_from_dist): New.
9281 (build_classic_dir_vector): Replace implementation almost identical to
9282 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9284 (subscript_dependence_tester_1): New.
9285 (subscript_dependence_tester): Handle the lexicographically negative
9286 distance vectors by recomputing the dependence relation.
9287 (compute_affine_dependence): Remove parameter loop_nest_depth.
9288 (compute_self_dependence): Don't call compute_subscript_distance.
9289 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9290 Add a parameter for the loop_nest.
9291 (find_loop_nest_1, find_loop_nest): New.
9292 (compute_data_dependences_for_loop): Compute the loop nest, and give
9293 up if the nest is not well formed.
9294 * tree-data-ref.h (loop_p): New.
9295 (struct data_dependence_relation): Replace size_vect field with
9296 loop_nest, a vec of loops.
9297 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9298 (DDR_LOOP_NEST): New.
9299 (print_dir_vectors, print_dist_vectors,
9300 debug_data_dependence_relation): Declared.
9301 (index_in_loop_nest): New.
9302 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9303 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9306 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9308 * simplify-rtx.c (simplify_relational_operation): Call
9309 simplify_relational_operation_1 even if mode is VOIDmode.
9311 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9313 PR tree-optimization/26804
9314 * tree.h (DECL_CALL_CLOBBERED): New macro.
9315 (tree_decl_common): Add call_clobbered_flag.
9316 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9317 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9318 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9319 (mark_non_addressable): Ditto.
9320 * tree-ssa.c (verify_call_clobbered): New function.
9321 (verify_alias_info): Use it.
9322 * tree-pass.h (pass_reset_cc_flags): New prototype.
9323 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9324 (reset_cc_flags): New function.
9325 * passes.c (init_optimization_passes): Call reset_cc_flags after
9326 initializing referenced_vars.
9328 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9329 Roger Sayle <roger@eyesopen.com>
9332 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9333 to 1.0 for non-real operands. Implement A / A optimization for
9336 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9338 * config/i386/i386.c (size_cost): Correct the comment for
9339 cost of storing fp registers.
9340 (i386_cost): Likewise.
9341 (i486_cost): Likewise.
9342 (pentium_cost): Likewise.
9343 (pentiumpro_cost): Likewise.
9344 (k6_cost): Likewise.
9345 (athlon_cost): Likewise.
9346 (k8_cost): Likewise.
9347 (pentium4_cost): Likewise.
9348 (nocona_cost): Likewise.
9349 (generic64_cost): Likewise.
9350 (generic32_cost): Likewise.
9352 2006-03-24 Denis Chertykov <denisc@overta.ru>
9354 * config/avr/avr-protos.h (extra_constraint): Delete.
9355 (extra_constraint_Q): New declaration.
9356 * config/avr/constraints.md: New file.
9357 * config/avr/avr.md: Include it.
9358 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9359 (TMP_REGNO, ZERO_REGNO): Likewise.
9360 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9361 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9362 (extra_constraint): Delete.
9363 (extra_constraint_Q): Test for memory constraint 'Q'.
9364 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9365 (REG_CLASS_FROM_LETTER): Delete.
9366 (CONST_OK_FOR_LETTER_P): Delete.
9367 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9368 (EXTRA_CONSTRAINT): Delete.
9369 (TMP_REGNO): Delete.
9370 (ZERO_REGNO): Delete.
9372 2006-03-24 Jeff Law <law@redhat.com>
9374 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9375 directly. Call mark_new_vars_to_rename slightly earlier.
9377 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9379 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9381 (gen_compile_unit_die): Use new language types for Objective-C and
9383 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9384 DW_LANG_C_plus_plus.
9387 * config/t-darwin (crt3.o): Work around bug 26840.
9388 * config/darwin-crt3.c: Rewrite.
9389 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9391 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9393 * doc/invoke.texi: Document -femit-class-debug-always
9394 * common.opt: Add -femit-class-debug-always.
9396 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9398 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9399 index and base register.
9400 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9401 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9402 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9403 REGNO_OK_FOR_INDEX_P.
9404 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9406 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9407 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9408 REG_OK_FOR_BASE_P): Definitions removed.
9410 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9413 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9414 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9415 set yet or weren't marked as local yet.
9417 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9419 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9422 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9424 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9425 (rs6000_legitimate_small_data_p): Delete.
9426 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9427 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9428 and make static. Add forward declaration. Update uses.
9429 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9430 of offsettable_memref_p.
9431 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9432 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9434 2006-03-24 Jeff Law <law@redhat.com>
9436 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9437 around bug in immediate-use iterator.
9439 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9442 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9443 or __LITTLE_ENDIAN__.
9445 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9447 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9448 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9449 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9450 * config/sh/sh.opt (mdiv=): Amend description.
9451 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9452 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9453 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9454 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9455 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9456 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9457 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9458 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9459 TARGET_DIVIDE_CALL_FP.
9461 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9463 * haifa-sched.c (choose_ready): Fix type of the local variable.
9464 Move local variables. Add comment.
9465 (check_reg_live): Change signature. Make callable from debugger.
9466 * sched-int.h (check_reg_live): Update signature.
9467 * sched-ebb.c (check_reg_live): Update parameters.
9468 * sched-rgn.c (check_reg_live): Ditto.
9469 (region_head_or_leaf_p): Check pointer before dereferencing.
9470 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9471 before reload on optimization levels below 1.
9473 2006-03-23 Richard Henderson <rth@redhat.com>
9475 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9479 * config/alpha/predicates.md (local_symbolic_operand): Reject
9482 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9485 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9486 expressions which have overflowed constants.
9488 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9490 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9492 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9494 * cfgloopmanip.c (create_loop_notes): Removed.
9495 * final.c (final_scan_insn): Do not handle loop notes.
9496 * jump.c (squeeze_notes): Ditto.
9497 * cfglayout.c (skip_insns_after_block,
9498 duplicate_insn_chain): Ditto.
9499 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9501 * cfgloop.h (create_loop_notes): Declaration removed.
9503 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9505 * varasm.c (output_constant_pool): Restore fnname and fndecl
9507 (assemble_start_function): Adjust call accordingly.
9508 (assemble_end_function): Likewise.
9510 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9513 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9516 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9518 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9521 * system.h (ICE_EXIT_CODE): New macro.
9522 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9523 (diagnostic_action_after_output): Likewise.
9524 * gcc.c (fatal_ice): New function.
9525 (execute): Use it instead of fatal.
9526 (fancy_abort): Likewise.
9527 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9529 2006-03-22 Jeff Law <law@redhat.com>
9531 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9532 iv_analyze_result returning false.
9534 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9536 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9538 2006-03-22 Richard Henderson <rth@redhat.com>
9541 * except.c (duplicate_eh_regions_0): New.
9542 (duplicate_eh_region_1): Duplicate the children of the node as
9543 well as the node itself. Link them up properly.
9544 (duplicate_eh_region_2): Merge into ...
9545 (duplicate_eh_regions): ... here. Take copy_region argument, and
9546 copy only a sub-tree if asked. Simplify copying and fixup.
9547 (eh_region_outer_p): New.
9548 * except.h (duplicate_eh_regions): Update decl.
9549 (eh_region_outer_p): Declare.
9550 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9551 (lower_omp_master): Likewise.
9552 (lower_omp_ordered): Likewise.
9553 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9554 (move_stmt_r): Use it to remap labels. Handle recursion vs
9555 remap_decls_p properly.
9556 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9557 (find_outermost_region_in_block): New.
9558 (new_label_mapper): New.
9559 (move_sese_region_to_fn): Copy eh information to the new function
9561 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9563 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9566 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9568 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9569 into shared libraries.
9571 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9573 * doc/md.texi: Refer to i386/constraints.md instead of
9575 * config/i386/constraints.md: New file, extracted from...
9576 * config/i386/predicates.md: ...here.
9577 * config/i386/i386.md: Include constraints.md.
9579 2006-03-21 Jason Merrill <jason@redhat.com>
9581 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9584 * expr.c (init_block_move_fn): Force default visibility.
9585 (init_block_clear_fn): Likewise.
9586 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9587 * targhooks.c (default_external_stack_protect_fail): Likewise.
9589 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9591 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9592 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9593 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9594 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9595 (loadgp): Use mips_current_loadgp_style.
9596 (loadgp_noshared): New pattern.
9597 (sibcall_internal): Use MIPS_CALL.
9598 (sibcall_value_internal): Likewise.
9599 (sibcall_value_multiple_internal): Likewise.
9600 (call_internal): Likewise.
9601 (call_value_internal): Likewise.
9602 (call_value_multiple_internal): Likewise.
9603 (call_split): Use MIPS_CALL and add an 'S' constraint.
9604 (call_value_split): Likewise.
9605 (call_value_multiple_split): Likewise.
9606 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9607 (-mshared): New option.
9608 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9609 (mips_current_loadgp_style): Declare.
9610 * config/mips/mips.c (mips_classify_symbol): Avoid using
9611 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9612 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9613 TARGET_ABSOLUTE_ABICALLS.
9614 (override_options): Adjust comments. Improve the warning that is
9615 issued when -mabicalls and -G are used together.
9616 (mips_file_start): Remove comment.
9617 (mips_current_loadgp_style): New function.
9618 (mips_gnu_local_gp): New variable.
9619 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9621 (mips_output_function_prologue): Use mips_current_laodgp_style.
9622 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9623 the cprestore instruction.
9624 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9625 live for TARGET_ABSOLUTE_ABICALLS.
9626 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9627 (ASM_SPEC): Pass down -mshared and -mno-shared.
9628 (MIPS_CALL): New macro.
9629 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9631 * doc/invoke.texi (-mabicalls): Update documentation.
9632 (-mshared): Document.
9634 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9636 * config/ia64/unwind-hpux.c: New file.
9637 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9639 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9642 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9644 2006-03-21 Jeff Law <law@redhat.com>
9646 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9647 type conversions of a VR_VARYING source to a wider type.
9649 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9651 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9652 tm_file on Solaris 10 and later.
9653 (sparc64-*-solaris2*): Likewise.
9654 (sparc-*-solaris2*): Likewise.
9655 * config/sol26.h: Rename to config/sol2-6.h.
9656 * config/sol2-10.h: New file.
9658 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9661 * tree-ssa-pre.c (create_component_ref_by_pieces):
9664 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9667 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9668 return it immediately.
9670 2006-03-21 Michael Matz <matz@suse.de>
9672 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9674 (remove_arc, add_arc): Update num_out_arcs member.
9675 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9677 (cache_presence): New function.
9678 (compare_states_for_equiv): New function.
9679 (state_is_differed): Don't take number of outargs, adjust callers.
9680 Use new invariant for speeding up.
9681 (init_equiv_class): Create initial classes based on sorted
9683 (partition_equiv_class): Don't track out_arcs_num.
9684 (evaluate_equiv_classes): Call cache_presence on all states and
9687 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9689 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9690 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9691 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9692 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9694 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9695 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9696 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9697 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9698 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9700 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9701 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9702 (REGNO_REG_CLASS): ARGP is in PREGS.
9703 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9705 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9706 to deal with those addresses.
9707 * addresses.h: New file.
9708 * caller-save.c: Include "addresses.h".
9709 (init_caller_save): Use new base_reg_class function.
9710 * rtl-factoring.c: Include "addresses.h".
9711 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9712 * recog.c: Include "addresses.h".
9713 (preprocess_constraints): Use new base_reg_class function.
9714 * regrename.c: Include "addresses.h".
9715 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9716 functions. Keep track of a new var INDEX_CODE to compute valid
9718 (replace_oldest_value_addr): Likewise.
9719 (replace_oldest_value_mem): Use base_reg_class.
9720 * reload.c: Include "addresses.h".
9721 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9722 (find_reloads): Use new base_reg_class function.
9723 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9724 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9725 all callers and prototype changed.
9726 * reload1.c: Include "addresses.h".
9727 (maybe_fix_stack_asms): Use base_reg_class.
9728 * regclass.c: Include "addresses.h".
9729 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9730 (init_reg_autoinc): Use new base_reg_class function.
9731 (record_reg_classes): Likewise.
9732 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9733 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9734 Use new args to compute necessary class.
9736 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9737 regrename.o, rtl-factoring.o): Update dependencies.
9738 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9739 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9740 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9741 REG_OK_FOR_INDEX_P): Delete documentation.
9743 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9745 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9746 from V7 to V9 for Solaris 7 and above.
9748 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9750 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9751 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9752 argument pointers may not alias any other storage.
9753 * common.opt: Define option -fargument-noalias-anything.
9754 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9755 alias semantics is specified by flag_argument_noalias > 2.
9757 2006-03-20 Jeff Law <law@redhat.com>
9759 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9760 (pass_phi_only_cprop): Declare.
9761 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9763 * tree-ssa-dom.c (degenerate_phi_result): New function.
9764 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9765 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9766 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9767 (eliminate_degenerate_phis): Likewise.
9768 (pass_phi_only_cprop): New pass descriptor.
9769 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9770 support code. Callers updated.
9771 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9772 (store_copy_prop): Likewise.
9773 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9775 2006-03-20 Jason Merrill <jason@redhat.com>
9778 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9779 (push_visibility, pop_visibility): Likewise.
9780 * c-pragma.h: Declare them.
9782 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9784 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9786 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9787 parameter and use get_ebb_head_tail.
9788 (sh_md_init_global): Adjust uses of find_regmode_weight.
9790 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9792 * function.h (struct function) <x_tail_recursion_reentry>:
9793 Rename to x_stack_check_probe_note.
9794 (tail_recursion_reentry): Rename to stack_check_probe_note.
9795 * function.c: Replace tail_recursion_reentry with
9796 stack_check_probe_note everywhere.
9797 (expand_function_start): Only emit a note for
9798 stack_check_probe_note with -fstack-protect.
9799 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9801 * emit-rtl.c (remove_unnecessary_notes): Remove.
9802 (pass_remove_unnecessary_notes): Remove.
9803 * rtl.h (remove_unnecessary_notes): Remove prototype.
9804 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9805 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9806 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9808 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9811 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9812 (valid_in_set): Handle ARRAY_REF.
9813 Change "if min_variant or VH" to asserts.
9814 (create_component_ref_by_pieces): Handle ARRAY_REF.
9815 (create_expression_by_pieces): Likewise.
9816 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9818 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9820 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9821 is operand of switch, not str[0].
9823 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9825 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9826 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9828 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9830 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9831 end of insn_extra_address_constraint declaration.
9833 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9835 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9836 (no-sum-in-toc): Same.
9837 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9839 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9840 NO_FP_IN_TOC for -fPIC instead of mask.
9842 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9843 (BOOT_LDFLAGS): Delete.
9845 * config/rs6000/t-aix52: Same.
9847 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9848 (stmsi[345678]_power): New.
9850 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9852 * config/ia64/ia64.opt: Add empty line to end of file.
9854 2006-03-17 Richard Guenther <rguenther@suse.de>
9857 * builtins.c (get_pointer_alignment): For component style references
9858 adjust alignment to the component type alignment. Make sure
9859 to adjust alignment for component access of constants.
9861 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9863 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9866 2006-03-17 Paul Brook <paul@codesourcery.com>
9868 * doc/install.texi: Docuemnt --with-mode.
9869 * config.gcc: Add --with-mode for arm*-*-*.
9870 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9872 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9874 * sh.c (max_labelno_before_reorg): New variable.
9875 (sh_reorg): Initialize it.
9876 (find_barrier): Check max_labelno_before_reorg before using
9877 label_to_alignment. Take length of explicit alignment insns
9878 into account. When seeing a UNSPECV_CONST_END, return it.
9880 * sh.c (fixup_mova): Set mode of affected label to QImode.
9881 (untangle_mova): New function.
9882 (find_barrier): Use it. Check mode of label before decrementing
9884 (sh_reorg): Likewise.
9885 Set mode of all insns back to VOIDmode.
9887 * sh.c (MOVA_LABELREF): New macro.
9888 (mova_p, fixup_mova, sh_reorg): Use it.
9889 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9890 ADDR_DIFF_VEC matches mova.
9892 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9894 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9895 with ATTRIBUTE_UNUSED.
9897 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9899 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9900 pointer, instead of assuming it is possible to derive the
9901 correct args size from a call insn.
9903 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9905 * rtl.h (CONST_INT_P): Define.
9906 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9907 instead of GET_CODE(x) == CONST_INT.
9908 (vax_rtx_costs): Likewise.
9909 (vax_output_int_move): Likewise.
9910 (vax_output_int_add): Likewise.
9911 (legitimate_constant_address_p): Likewise.
9912 (index_term_p): Likewise.
9913 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9914 * config/vax/vax.md (and<mode>3): Likewise.
9915 (ashrsi3): Likewise.
9917 (movstricthi): Likewise.
9918 (movstrictqi): Likewise.
9919 (rotrsi3): Likewise.
9920 (five unnamed insns): Likewise.
9922 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9924 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9925 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9926 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9927 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9928 Pass to ASM_OUTPUT_DWARF_OFFSET.
9929 * dwarf2out.c (debug_frame_section): New.
9930 (output_call_frame_info): Use debug_frame_section. Pass it to
9931 dw2_asm_output_offset.
9932 (output_die): Pass appropriate section to dw2_asm_output_offset.
9933 (output_compilation_unit_header): Likewise.
9934 (output_pubnames): Likewise.
9935 (output_aranges): Likewise.
9936 (enum dw_val_class): Break dw_val_class_lbl_offset into
9937 dw_val_class_lineptr and dw_val_class_macptr.
9938 (add_AT_lbl_offset): Delete.
9939 (add_AT_lineptr): New.
9940 (add_AT_macptr): New.
9941 (AT_lbl): Expect a lineptr or macptr.
9942 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9943 (attr_checksum): Likewise.
9944 (same_dw_val_p): Likewise.
9945 (size_of_die): Likewise.
9946 (value_format): Likewise.
9947 (output_die): Likewise.
9948 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9950 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9951 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9952 * config/darwin-protos.h (darwin_file_start): New.
9953 (darwin_asm_output_dwarf_offset): New.
9954 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9955 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9957 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9958 if not EH section; simplify.
9959 (darwin_file_start): New.
9960 (darwin_asm_output_dwarf_offset): New.
9961 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9963 (DEBUG_INFO_SECTION): Likewise.
9964 (DEBUG_ABBREV_SECTION): Likewise.
9965 (DEBUG_ARANGES_SECTION): Likewise.
9966 (DEBUG_MACINFO_SECTION): Likewise.
9967 (DEBUG_LINE_SECTION): Likewise.
9968 (DEBUG_LOC_SECTION): Likewise.
9969 (DEBUG_PUBNAMES_SECTION): Likewise.
9970 (DEBUG_STR_SECTION): Likewise.
9971 (DEBUG_RANGES_SECTION): Likewise.
9972 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9973 (ASM_OUTPUT_DWARF_OFFSET): New.
9975 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9977 * config.gcc (tm_defines): Always add to previous value rather
9980 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9982 * config/mips/predicates.md (splittable_const_int_operand): New,
9983 split from move_operand.
9984 (splittable_symbolic_operand): New.
9985 (move_operand): Add commentary. Use splittable_const_int_operand.
9986 Inline mips_atomic_symbolic_constant_p.
9987 * config/mips/mips.md: Add combine splitters for handling moves
9988 of splittable_const_int_operands and splittable_symbolic_operands.
9989 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9990 (mips_split_symbol): Declare.
9991 (mips_move_integer): Declare.
9992 * config/mips/mips.c (mips_split_p): Make global.
9993 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9994 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9995 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9996 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9997 (mips_offset_within_object_p): Handle block symbols.
9998 (mips_atomic_symbolic_constant_p): Delete.
9999 (mips_cannot_force_const_mem): Return false for constants that
10000 mips_legitimize_move can handle.
10001 (mips_use_blocks_for_constant_p): New function.
10002 (mips_split_symbol): Make global.
10003 (mips_move_integer): Likewise. Add a temporary register argument.
10004 (mips_legitimize_const_move): Use splittable_const_int_operand and
10005 splittable_symbolic_operand.
10006 (mips_use_anchors_for_symbol_p): New function.
10007 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10008 (mips_split_p): Declare.
10010 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10012 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10013 (mips*-*-linux*): Likewise.
10015 2006-03-16 Roger Sayle <roger@eyesopen.com>
10016 Daniel Speyer <dspeyer@wam.umd.edu>
10018 PR middle-end/18259
10019 * tree-dump.c (dump_real): New function.
10020 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10021 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10022 (tree-dump.o): Add $(REAL_H) to the dependencies.
10024 2006-03-16 Roger Sayle <roger@eyesopen.com>
10026 PR middle-end/21781
10027 * real.c (real_from_string): If the mantissa is zero, don't bother
10028 parsing the exponent as the result should always be zero.
10030 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10032 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10034 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10036 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10037 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10038 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10039 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10040 ia64_sched_finish_global): New static functions to implement
10041 hooks from gcc_target.sched.
10042 (spec_check_no, max_uid, pending_data_specs): New static variables.
10043 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10044 ia64_spec_check_src_p): New static functions.
10045 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10046 (TARGET_SCHED_ADJUST_COST): Removed.
10047 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10048 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10049 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10050 TARGET_SCHED_GEN_CHECK,
10051 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10052 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10053 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10054 Fixed to handle speculation checks.
10055 (rtx_needs_barrier): Fixed to handle speculative loads and
10057 (ia64_variable_issue): Added code to count speculative loads and their
10059 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10061 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10063 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10065 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10066 (ia64_reorg): Reset stops_p to NULL after it is freed.
10067 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10068 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10069 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10071 (data_speculative, control_speculative, check_load): New attributes.
10072 (mov<mode>_advanced, mov<mode>_speculative,
10073 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10074 zero_extend<mode>di2_speculative,
10075 zero_extend<mode>di2_speculative_advanced): New patterns for
10076 data and control speculative loads.
10077 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10079 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10080 New pattern for data and control speculation checks.
10081 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10082 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10083 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10084 Auxiliary definitions for the patterns.
10085 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10086 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10088 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10090 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10091 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10092 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10093 New resource constraints.
10094 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10096 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10097 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10098 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10099 msched-in-control-spec, msched-ldc, msched-control-ldc,
10100 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10101 msched-prefer-non-control-spec-insns,
10102 msched-count-spec-in-critical-path): New flags to tune speculative
10104 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10105 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10106 msched-in-control-spec, msched-ldc, msched-control-ldc,
10107 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10108 msched-prefer-non-control-spec-insns,
10109 msched-count-spec-in-critical-path): Document new flags.
10111 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10113 * target.h (struct spec_info_def): New opaque declaration.
10114 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10115 speculate_insn, needs_block_p, gen_check,
10116 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10117 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10118 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10119 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10120 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10121 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10123 (TARGET_SCHED): Use new macros.
10124 * rtl.h (copy_DEPS_LIST_list): New prototype.
10125 * sched-int.h (struct sched_info): Change signature of new_ready field,
10126 adjust all initializations. New fields: add_remove_insn,
10127 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10128 region_head_or_leaf_p.
10129 (struct spec_info_def): New structure declaration.
10130 (spec_info_t): New typedef.
10131 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10132 recovery_block, orig_pat.
10133 (glat_start, glat_end): New variables declaraions.
10134 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10136 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10137 DETACH_LIFE_INFO, USE_GLAT.
10138 (enum SPEC_SCHED_FLAGS): New enumeration.
10139 (NOTE_NOTE_BB_P): New macro.
10140 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10141 attach_life_info, debug_spec_status, check_reg_live): New functions.
10142 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10143 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10145 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10146 * ddg.c (get_block_head_tail): Adjust all uses.
10147 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10148 (sms_sched_info): Initialize new fields.
10149 (contributes_to_priority): Removed.
10150 * haifa-sched.c (params.h): New include.
10151 (get_block_head_tail): Adjust all uses.
10152 (ISSUE_POINTS): New macro.
10153 (glat_start, glat_end): New global variables.
10154 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10155 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10156 old_last_basic_block, before_recovery, current_sched_info_var,
10157 rgn_n_insns, luid): New static variables.
10158 (insn_cost1): New function. Move logic from insn_cost to here.
10159 (find_insn_reg_weight1): New function. Move logic from
10160 find_insn_reg_weight to here.
10161 (reemit_notes, move_insn, max_issue): Change signature.
10162 (move_insn1): Removed.
10163 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10164 extend_bb): New static functions to support extension of scheduler's
10166 (generate_recovery_code, process_insn_depend_be_in_spec,
10167 begin_speculative_block, add_to_speculative_block,
10168 init_before_recovery, create_recovery_block, create_check_block_twin,
10169 fix_recovery_deps): New static functions to support
10170 generation of recovery code.
10171 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10172 restore_bb_notes, move_block_after_check, move_succs): New static
10173 functions to support ebb scheduling.
10174 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10175 functions to support handling of register live information.
10176 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10177 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10178 add_jump_dependencies): New static functions.
10179 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10180 consistancy checking.
10181 (debug_spec_status): New function to call from debugger.
10182 (priority): Added code to handle speculation checks.
10183 (rank_for_schedule): Added code to distinguish speculative instructions.
10184 (schedule_insn): Added code to handle speculation checks.
10185 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10186 Fixed to handle ebbs.
10187 (move_insn): Added code to handle ebb scheduling.
10188 (max_issue): Added code to use ISSUE_POINTS of instructions.
10189 (choose_ready): Added code to choose between speculative and
10190 non-speculative instructions.
10191 (schedule_block): Added code to handle ebb scheduling and scheduling of
10192 speculative instructions.
10193 (sched_init): Initialize new variables.
10194 (sched_finish): Free new variables. Print statistics.
10195 (try_ready): Added code to handle speculative instructions.
10196 * lists.c (copy_DEPS_LIST_list): New function.
10197 * sched-deps.c (extend_dependency_caches): New function. Move logic
10198 from create_dependency_caches to here.
10199 (get_dep_weak, ds_merge): Make global.
10200 * genattr.c (main): Code to output prototype for
10201 dfa_clear_single_insn_cache.
10202 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10203 (output_dfa_clean_insn_cache_func): Code to output
10204 dfa_clear_single_insn_cache function.
10205 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10207 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10209 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10210 New static variables.
10211 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10212 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10214 (ebb_sched_info): Initialize new fields.
10215 (get_block_head_tail): Adjust all uses.
10216 (compute_jump_reg_dependencies): Fixed to use glat_start.
10217 (schedule_ebb): Code to remove unreachable last block.
10218 (schedule_ebbs): Added code to update register live information.
10219 * sched-rgn.c (region_sched_info): Initialize new fields.
10220 (get_block_head_tail): Adjust all uses.
10221 (last_was_jump): Removed. Adjust users.
10222 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10223 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10224 Implement new hooks.
10225 (check_dead_notes1): New static function.
10226 (struct region): New fields: dont_calc_deps, has_real_ebb.
10227 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10228 (BB_TO_BLOCK): Fixed to handle EBBs.
10229 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10230 (ebb_head): New static variable.
10231 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10232 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10234 (compute_dom_prob_ps): New assertion.
10235 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10236 global_live_at_start.
10237 (init_ready_list): New assertions.
10238 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10239 (new_ready): Add support for BEGIN_CONTROL speculation.
10240 (schedule_insns): Fixed code that updates register live information
10242 (schedule_region): Fixed to handle EBBs.
10243 (init_regions): Use extend_regions and check_dead_notes1.
10244 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10245 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10246 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10247 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10248 TARGET_SCHED_GEN_CHECK,
10249 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10250 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10251 * doc/invoke.texi (max-sched-insn-conflict-delay,
10252 sched-spec-prob-cutoff): Document.
10254 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10256 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10257 inter_tick, queue_index.
10258 (struct sched_info): Change signature of init_ready_list field.
10259 Adjust all initializations.
10260 (RESOLVED_DEPS): New access macro.
10261 (ready_add): Remove prototype.
10262 (try_ready): Add prototype.
10263 * sched-rgn.c (init_ready_list): Use try_ready.
10264 (schedule_region): Initialize
10265 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10266 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10267 (init_ready_list): Use try_ready.
10268 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10269 * lists.c (remove_list_elem): Remove `static'.
10270 (remove_free_INSN_LIST_elem): New function.
10271 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10272 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10273 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10275 (readyp): New variable.
10276 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10277 change_queue_index, resolve_dep): New static functions.
10278 (try_ready): New function. Adjust callers in sched-rgn.c and
10279 sched-ebb.c to use it instead of ready_add.
10280 (clock_var): Move at the begining of file.
10281 (rank_for_schedule): Fix typo.
10282 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10283 (ready_lastpos): Enforce assertion.
10284 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10285 update all callers.
10286 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10287 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10288 (queue_to_ready): Use free_INSN_LIST_list.
10289 (early_queue_to_ready): Fix typo.
10290 (schedule_block): Init readyp. Move init_ready_list call after the
10291 initialization of clock_var. Fix error in rejecting insn by
10292 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10293 that previously corrected INSN_TICKs. Add code for handling
10295 (set_priorities): Fix typo.
10296 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10297 Clarify comment and code that keeps current_sched_info->next_tail
10300 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10302 * sched-rgn.c (extend_rgns): New static function.
10303 (find_rgns): Use it.
10304 (gather_region_statistics, print_region_statistics): New static
10306 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10307 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10309 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10310 Andrey Belevantsev <abel@ispras.ru>
10312 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10313 * lists.c (unused_deps_list): New variable.
10314 (free_list): Add assertions to verify the proper distinguishing
10315 between INSN_LISTs and DEPS_LISTs.
10316 (find_list_elem, remove_list_elem, remove_list_node): New static
10318 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10319 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10320 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10321 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10323 (free_INSN_LIST_node): Likewise.
10324 * modulo-sched.c (current_sched_info): Initialize flags field.
10325 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10326 * rtl.def (DEPS_LIST): Define.
10327 * rtl.h: Declare new functions from lists.c.
10328 * sched-deps.c (spec_dependency_cache): New static variable.
10329 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10330 (add_dependence): Change return type to void. Move the logic to ...
10331 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10332 (delete_all_dependences): Add comment about forward_dependency_cache.
10333 Handle spec_dependency_cache. Handle DEPS_LISTs.
10334 (fixup_sched_groups): Clarify the change of priority of output
10335 and anti dependencies.
10336 (sched_analyze_2): Adjust add_dependence calls to create data
10337 speculative dependence.
10338 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10339 Adjust all callers. Handle DEPS_LISTS.
10340 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10341 presence of speculation.
10342 (init_dependency_caches, free_dependency_caches):
10343 Handle spec_dependency_cache.
10344 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10345 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10346 New static functions.
10347 (add_or_update_back_dep, add_or_update_back_forw_dep,
10348 add_back_forw_dep, delete_back_forw_dep): New functions.
10349 * sched-int.h (ds_t, dw_t): New typedefs.
10350 (struct sched_info): Add new field flags.
10351 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10352 Prototype new sched-deps.c functions.
10353 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10354 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10355 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10356 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10357 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10358 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10360 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10362 * sched-rgn.c (current_sched_info): Initialize flags field.
10363 (schedule_insns): Initialize current_sched_info before the sched_init
10365 * sched-ebb.c (current_sched_info): Initialize flags field.
10366 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10367 Call add_or_update_back_dep instead of add_dependence.
10368 Create control speculative dependencies.
10369 (schedule_insns): Initialize current_sched_info before the sched_init
10372 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10374 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10376 (sh_fallback_frame_state): Likewise.
10378 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10380 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10381 Do switch on default_use_cxa_atexit.
10382 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10383 * config/darwin-crt3.o: New.
10384 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10385 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10386 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10388 * config/rs6000/t-darwin: Move crt2.o building to here.
10389 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10390 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10393 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10395 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10396 from '! xxx' to '!xxx' for coding-style conformance.
10397 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10398 (EXTRA_CONSTRAINT): Likewise.
10399 * config/vax/vax.md (four unnamed insns): Likewise.
10401 2006-03-15 Paul Brook <paul@codesourcery.com>
10403 * config/arm/arm.c (minipool_pad): New.
10404 (add_minipool_forward_ref): Include pool alignment padding in address
10406 (push_minipool_fix): Set minipool_pad.
10407 (minipool_pad): Ditto.
10409 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10411 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10412 instead of GET_CODE() == MEM and REG_P() instead of
10414 (print_operand_address): Likewise.
10415 (vax_address_cost): Likewise.
10416 (vax_rtx_costs): Likewise.
10417 (vax_notice_update_cc): Likewise.
10418 (vax_output_int_add): Likewise.
10419 (INDEX_REGISTER_P): Likewise.
10420 (BASE_REGISTER_P): Likewise.
10421 (nonindexed_address_p): Likewise.
10422 (vax_mode_dependent_address_p): Likewise.
10423 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10424 (PRINT_OPERAND): Likewise.
10425 * config/vax/vax.md (ashlsi3): Likewise.
10426 (ashlsi3): Likewise.
10427 (some more unnamed insns): Likewise.
10429 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10431 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10432 iterator-style macro.
10433 (mark_control_dependent_edges_necessary): Update the use of
10434 EXECUTE_IF_CONTROL_DEPENDENT.
10436 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10438 * config/sh/predicates.md (cache_address_operand): Special.
10439 (ua_address_operand): Likewise.
10441 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10443 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10445 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10447 2006-03-15 Andreas Schwab <schwab@suse.de>
10449 * gensupport.c (identify_predicable_attribute): Don't free p_false
10450 when it is still in use.
10452 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10454 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10455 the default setting here.
10457 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10459 * tree-pass.h (pass_cfg): Remove.
10460 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10461 * passes.c (pass_cfg): Don't run it.
10463 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10465 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10466 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10468 (stack_regs_mentioned): Update the uses of
10469 stack_regs_mentioned_data. Don't access the array beyond its
10471 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10472 Don't include gt-reg-stack.h.
10474 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10475 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10477 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10479 PR middle-end/26684
10480 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10483 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10485 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10487 2006-03-14 Richard Guenther <rguenther@suse.de>
10489 PR tree-optimization/26672
10490 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10493 2006-03-14 Richard Guenther <rguenther@suse.de>
10495 PR tree-optimization/26667
10496 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10497 node for the callees. Always allow inlining if it will shrink
10500 2006-03-14 Richard Guenther <rguenther@suse.de>
10502 PR middle-end/26659
10503 * builtins.c (get_pointer_alignment): Prefer alignment
10504 information from decls over that from types.
10506 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10509 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10511 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10513 * config/rs6000/rs6000.opt (mdlmzb): New option.
10514 (msched-prolog, msched-epilog): Use Var not Mask.
10515 * doc/invoke.texi (-mdlmzb): Document.
10516 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10518 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10519 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10521 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10523 PR rtl-optimization/25739
10524 * bt-load.c (augment_live_range): Free tos pointer.
10526 * gensupport.c (identify_predicable_attribute): Free
10528 * gcov.c (create_file_names): Free name pointer.
10530 2006-03-13 Roger Sayle <roger@eyesopen.com>
10532 PR middle-end/26557
10533 * stmt.c (emit_case_nodes): Handle the case where the index is a
10534 CONST_INT, where the comparison mode is specified by the index type.
10536 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10538 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10541 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10543 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10544 (*branch_fp_inverted): Likewise.
10546 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10548 PR middle-end/25989
10549 * omp-low.c (expand_omp_for_generic): Mark istart0
10550 and iend0 as addressable.
10552 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10554 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10556 2006-03-13 Jeff Law <law@redhat.com>
10558 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10559 virtual operands are interesting.
10560 (vrp_visit_stmt): Corresponding changes.
10562 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10564 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10566 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10567 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10568 * config/bfin/crti.S: Use it instead of __PIC__.
10569 * config/bfin/crtn.S: Likewise.
10571 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10572 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10574 Lose 'G' modifier for call operand.
10575 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10576 recognize 'G' modifier.
10578 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10580 PR middle-end/18859
10581 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10582 * stmt.c (expand_case): Likewise.
10584 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10586 PR rtl-optimization/26254
10587 * loop-invariant.c (seq_insns_valid_p): New function.
10588 (move_invariant_reg): Only emit new code if it is valid.
10590 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10592 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10594 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10595 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10596 (commit_one_edge_insertion): Do not look for loop notes.
10598 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10600 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10601 flag_test_coverage out of loop.
10603 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10605 * final.c (shorten_branches): Remove outdated comment, and turn
10606 the if branch that guards it to continue.
10608 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10610 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10611 * cfgloop.h (struct loop): Remove unused fields.
10613 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10615 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10616 (-dL, -fdump-rtl-loop2): Update the dump file names
10618 * doc/invoke.texi: Update dump file names.
10620 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10622 * predict.c (estimate_probability): Remove.
10623 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10624 * basic-block.h (estimate_probability): Remove prototype.
10625 * passes.c (finish_optimization_passes): Dump branch prediction or
10626 profiling heuristics to the .profile tree dump.
10627 (init_optimization_passes): Unqueue pass_branch_prob.
10629 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10631 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10633 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10634 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10636 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10638 * function.h (frame_offset_overflow): Declare.
10639 * function.c (frame_offset_overflow): New function.
10640 (assign_stack_local_1): Call it to detect that the offset overflows.
10641 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10643 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10645 * config/sh/sh.c: Include alloc-pool.h.
10646 (label_ref_list_pool): New alloc pool.
10647 (label_ref_list_t): New type for lists of labels.
10648 (struct pool_node): Make wend a label_ref_list_t.
10649 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10651 (dump_table): Likewise.
10652 (sh_reorg): Set up the alloc pool before using add_constant and
10653 dump_table, and destroy it when finishing.
10655 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10657 * config/mips/mips.c: Remove redundant comment.
10659 2006-03-10 Jason Merrill <jason@redhat.com>
10662 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10663 the target was declared 'register'.
10665 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10667 * genpreds.c (write_insn_constraint_len): Change definition of
10668 insn_constraint_len to return size_t to match the declaration.
10670 2006-03-10 DJ Delorie <dj@redhat.com>
10672 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10674 (m32c_expand_insv): Fix test for an AND mask.
10676 2006-03-10 Richard Guenther <rguenther@suse.de>
10678 PR middle-end/26565
10679 * builtins.c (get_pointer_alignment): Handle component
10680 references for field alignment.
10682 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10684 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10685 when building with libgloss.
10686 (sh*elf): Implement --without-fp option.
10687 (sh64-superh-linux*): Don't multilib.
10689 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10691 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10693 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10695 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10696 Set it when one of the replacement functions returned true.
10697 Return TODO_cleanup_cfg if cfgchanged is true.
10698 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10700 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10702 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10703 instead of gen_lowpart.
10705 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10707 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10709 (mips_output_order_conditional_branch): Declare.
10710 * config/mips/mips.h (MIPS_BRANCH): New macro.
10711 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10712 for the comparison. Use gen_condjump.
10713 (mips_output_conditional_branch): Rework interface to take the
10714 asm templates for a direct branch and the inverse of a direct branch.
10715 (mips_output_order_conditional_branch): New function.
10716 (mips_builtin_branch_and_move): New function.
10717 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10718 branch condition. Use gen_single_cc as the condition for
10719 __builtin_mips_upper_* or __builtin_mips_lower_*.
10720 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10721 Use VOIDmode for the branch condition.
10722 * config/mips/predicates.md (order_operator): New predicate.
10723 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10724 (branch_fp): Rename to...
10725 (*branch_fp): ...this. Remove mode from comparison operator.
10726 Use new mips_output_conditional_branch interface.
10727 (branch_fp_inverted): Rename to...
10728 (*branch_fp_inverted): ...this and update as for *branch_fp.
10729 (*branch_zero<mode>): Rename to...
10730 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10731 Use mips_output_order_conditional_branch. Only accept ordered
10733 (*branch_zero<mode>_inverted): Rename to...
10734 (*branch_order<mode>_inverted): ...this and update as for
10735 *branch_order<mode>.
10736 (*branch_equality<mode>): Accept zero as the second operand to
10737 the equality operator. Use the new mips_output_conditional_branch
10739 (*branch_equality<mode>_inverted): Likewise.
10740 (condjump): New expander.
10741 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10743 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10744 (bc1any2t, bc1any2f): Likewise.
10745 (single_cc): New expander.
10746 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10748 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10750 * doc/md.texi: Update documentation of MIPS constraints.
10751 * config/mips/constraints.md: New file.
10752 * config/mips/mips.md: Include it.
10753 * config/mips/mips.c (mips_char_to_class): Delete.
10754 (override_options): Don't initialize mips_char_to_class.
10755 * config/mips/mips.h (mips_char_to_class): Delete.
10756 (REG_CLASS_FROM_LETTER): Delete.
10757 (CONST_OK_FOR_LETTER_P): Delete.
10758 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10759 (EXTRA_CONSTRAINT_Y): Delete.
10760 (EXTRA_CONSTRAINT_STR): Delete.
10761 (CONSTRAINT_LEN): Delete.
10762 (EXTRA_MEMORY_CONSTRAINT): Delete.
10764 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10766 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10767 original fn's eh regions.
10769 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10771 * fold-const.c (build_range_check): Make sure to use a valid type to
10772 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10775 (range_predecessor): New static function.
10776 (range_successor): Likewise.
10777 (merge_ranges): Use them to compute predecessors and successors of
10780 2006-03-09 Roger Sayle <roger@eyesopen.com>
10782 PR middle-end/26561
10783 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10784 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10786 2006-03-08 DJ Delorie <dj@redhat.com>
10788 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10789 (addpsi3): Expand to include memory operands. Remove
10790 reload-specific splits.
10791 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10792 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10793 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10794 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10795 (shift1_qi, shift1_hi, insv): New.
10796 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10797 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10798 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10800 * config/m32c/m32c-protos.h: Update as needed.
10801 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10802 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10803 Fail for unrecognized R* constraints.
10804 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10805 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10806 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10808 (m32c_init_libfuncs): New.
10809 (m32c_legitimate_address_p): Add debug wrapper.
10810 (m32c_rtx_costs): New.
10811 (m32c_address_cost): New.
10812 (conversions): Add 'B' prefix.
10813 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10814 operands, or word regnames for QI operands. 'B' prints bit
10816 (m32c_expand_setmemhi): New.
10817 (m32c_expand_movmemhi): New.
10818 (m32c_expand_movstr): New.
10819 (m32c_expand_cmpstr): New.
10820 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10821 (m32c_expand_neg_mulpsi3): Handle non-ints.
10822 (m32c_cmp_flg_0): New.
10823 (m32c_expand_movcc): New.
10824 (m32c_expand_insv): New.
10825 (m32c_scc_pattern): New.
10826 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10827 a0/a1 out of SIregs.
10828 (STORE_FLAG_VALUE): New.
10829 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10832 * config/m32c/mov.md: Make constraints more liberal.
10833 (zero_extendqihi2): Optimize r0/r1 case.
10834 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10835 * config/m32c/predicates.md (m32c_any_operand): New.
10836 (m32c_nonimmediate_operand): New.
10837 (m32c_hl_operand): New.
10838 (m32c_r3_operand): New.
10841 (memsym_operand): New.
10842 (memimmed_operand): New.
10843 (a_qi_operand): New.
10844 (m32c_eqne_operator): New.
10845 (m32c_1bit8_operand): New.
10846 (m32c_1bit16_operand): New.
10847 (m32c_1mask8_operand): New.
10848 (m32c_1mask16_operand): New.
10849 * config/m32c/blkmov.md: New file.
10850 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10852 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10854 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10855 unsigned to fix signed/unsigned comparison issue in
10856 DWARF2_FRAME_REG_OUT.
10857 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10858 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10860 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10861 of ptr into the ENABLE_CHECKING section.
10863 2006-03-08 Jeff Law <law@redhat.com>
10865 * tree-vrp.c (infer_value_range): Only count pointer uses
10866 and dereferences if -fdelete-null-pointer-checks is enabled.
10868 * tree-vrp.c (find_assert_locations): Infer value ranges for
10869 single use pointers, but do not create ASSERT_EXPRs for them.
10870 When a non-null range is inferred for a pointer, backwards
10871 propagate that range to other equivalent pointers through the
10874 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10877 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10878 language hook targets.
10879 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10880 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10881 if language hook targets were missing.
10883 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10885 * tree-ssa-opfinalize.h: Removed.
10886 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10888 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10889 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10890 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10891 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10892 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10893 finalize_ssa_v_must_def_ops): New.
10895 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10897 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10898 block as parameter.
10900 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10902 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10904 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10905 addresses with offsets; reorganize.
10907 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10908 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10909 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10911 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10914 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10916 2006-03-08 Ben Elliston <bje@au.ibm.com>
10918 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10920 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10923 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10926 2006-03-07 Richard Guenther <rguenther@suse.de>
10928 PR tree-optimization/26587
10929 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10931 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10933 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10935 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10937 * hooks.c (hook_bool_mode_rtx_true): New function.
10938 * hooks.h (hook_bool_mode_rtx_true): Declare.
10939 * toplev.c (compile_file): Call output_shared_constant_pool.
10940 * varasm.c (shared_constant_pool): New variable.
10941 (assemble_start_function, assemble_end_function): Remove arguments
10942 from call to output_constant_pool.
10943 (create_constant_pool): New function, split out from...
10944 (init_varasm_status): ...here.
10945 (force_const_mem): Choose between the shared and per-function constant
10946 pools. Set current_function_uses_const_pool when reusing old entries
10947 as well as when creating new ones.
10948 (mark_constant): Ignore data argument.
10949 (mark_constants): Remove pool argument.
10950 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10951 to decide whether the function uses a constant pool.
10952 (output_constant_pool_contents): New function, split out from...
10953 (output_constant_pool): ...here.
10954 (output_shared_constant_pool): New function.
10955 (init_varasm_once): Initialize shared_constant_pool.
10956 * output.h (output_constant_pool): Delete.
10957 (output_shared_constant_pool): Declare.
10958 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10959 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10961 2006-03-06 Nick Clifton <nickc@redhat.com>
10963 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10964 flag_strength_reduce.
10966 2006-03-06 Ben Elliston <bje@au.ibm.com>
10968 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10969 x86_64-*-linux* configurations.
10971 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10972 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10974 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10976 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10978 * basic-block.h: Remove the extern for
10979 rediscover_loops_after_threading.
10981 * cfgloop.c (cancel_loop): Make it static.
10982 * cfgloop.h: Remove the prototype for cancel_loop.
10984 * flow.c (recompute_reg_usage): Make it static.
10985 * rtl.h: Remove the prototype for recompute_reg_usage.
10987 * function.c (use_return_register): Make it static.
10988 * function.h: Remove the prototype.
10990 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10992 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10994 * recog.h: Remove the prototype for
10995 validate_change_maybe_volatile.
10997 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10999 * rtlanal.c (replace_reg): Remove.
11000 * rtl.h: Remove the prototype for replace_reg.
11002 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11004 * regclass.c (reg_scan_update): Remove.
11005 (reg_scan_mark_refs): Remove the last argument.
11006 * rtl.h: Remove the prototype for reg_scan_update.
11008 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11010 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11011 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11012 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11013 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11014 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11015 loop-invariant.c, omp-low.c, opts.c, passes.c,
11016 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11017 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11018 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11019 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11020 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11021 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11023 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11025 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11026 * dwarf2out.h: Remove the prototype for
11027 dwarf2out_add_library_unit_info.
11029 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11031 * tree.c (add_var_to_bind_expr): Remove.
11032 * tree.h: Remove the prototype for add_var_to_bind_expr.
11034 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11036 * regclass.c (n_non_fixed_regs): Remove.
11037 (init_reg_sets_1, globalize_reg): Remove all uses of
11039 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11041 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11043 * rtlanal.c (insns_safe_to_move_p): Remove.
11044 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11046 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11048 * expmed.c (expand_mult_add): Remove.
11049 * expr.h: Remove the prototype for expand_mult_add.
11051 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11053 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11054 and REG_SAVED_VAL_EXP constants.
11055 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11056 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11057 Handle regs stored by value.
11058 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11059 (execute_cfa_program): Handle DW_CFA_val_offset,
11060 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11061 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11062 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11063 (uw_install_context_1): Handle target regs stored by value.
11065 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11067 * tree-sra.c (tree_sra): Return todoflags;
11068 (generate_one_element): Set TODO_update_smt_usage if needed.
11069 (pass_sra): Remove TODO_update_smt_usage.
11070 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11072 (tree_ssa_forward_propagate_single_use_vars): Return
11073 TODO_update_smt_usage if we need to update SMT usage.
11074 (pass_forwprop): Remove TODO_update_smt_usage.
11076 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11078 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11079 (correct_use_link): Remove reference to get_stmt_operands.
11080 (update_stmt_operands): Likewise.
11081 (get_modify_expr_operands): New function factored out of
11082 parse_ssa_operands and get_expr_operands.
11083 Try to create V_MUST_DEFs for LHS by default.
11084 (get_expr_operands) <case MODIFY_EXPR>: Call
11085 get_modify_expr_operands.
11086 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11087 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11088 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11089 get_modify_expr_operands.
11091 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11093 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11094 * tree-flow.h: Remove the prototype for
11095 referenced_var_lookup_if_exists.
11097 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11099 PR rtl-optimization/26345
11101 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11103 2006-03-03 Roger Sayle <roger@eyesopen.com>
11105 PR tree-optimization/26524
11106 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11107 fold_convert to create a constant of the appropriate type.
11109 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11111 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11112 SYMBOL_REF_IN_BLOCK_P.
11113 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11114 of SYMBOL_FLAG_IN_BLOCK.
11115 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11116 instead of SYMBOL_REF_IN_BLOCK_P.
11117 * explow.c (use_anchored_address): Likewise.
11118 * rtl.c (rtx_size): Likewise.
11119 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11120 instead of SYMBOL_FLAG_IN_BLOCK.
11121 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11122 SYMBOL_REF_IN_BLOCK_P.
11123 (assemble_variable): Likewise.
11124 (output_constant_def_contents): Likewise.
11125 (output_constant_pool): Likewise.
11126 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11127 instead of SYMBOL_FLAG_IN_BLOCK.
11128 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11129 SYMBOL_REF_IN_BLOCK_P.
11130 (SYMBOL_REF_BLOCK): Likewise.
11131 (SYMBOL_REF_OFFSET): Likewise.
11132 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11133 SYMBOL_REF_IN_BLOCK_P.
11134 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11135 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11136 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11137 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11139 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11141 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11143 2006-03-02 Roger Sayle <roger@eyesopen.com>
11145 * simplify-rtx.c (simplify_unary_operation): When simplifying
11146 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11147 that we perform the right shift in the appropriate mode, and
11148 then extend or truncate the result to requested mode.
11150 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11152 * gengtype.c (main): Handle double_int type.
11153 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11154 * double-int.c: New file.
11155 * double-int.h: New file.
11156 * system.h: Include doubleint.h.
11157 * Makefile.in (SYSTEM_H): Include double-int.h.
11158 (double-int.o): Add.
11160 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11163 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11166 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11168 * tree-vrp.c (remove_range_assertions): Do not update statements
11171 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11173 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11175 * gcse.c (rest_of_handle_gcse): Ditto.
11176 * except.c (gate_handle_eh): Ditto.
11177 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11178 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11180 2006-03-02 Eric Christopher <echristo@apple.com>
11182 * config/i386/i386.c (machopic_output_stub): Add indirection to
11185 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11189 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11191 Sun Niagara specific optimizations.
11192 * config.gcc: Recognize niagara as target.
11193 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11194 (TARGET_CPU_niagara): Define.
11195 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11196 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11197 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11198 (ASM_CPU_SPEC): Likewise.
11199 (PROCESSOR_NIAGARA): New enum entry.
11200 (REGISTER_MOVE_COST): Handle Niagara.
11201 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11202 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11203 (sparc_override_options): Recognize "niagara", set appropriate
11204 default MASK_* values for it, and align functions to 32-bytes
11205 by default just like ULTRASPARC/ULTRASPARC3.
11206 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11207 (sparc64_initialize_trampoline): Likewise.
11208 (sparc_use_sched_lookahead): Use zero for niagara.
11209 (sparc_issue_rate): Use one for niagara.
11210 * config/sparc/niagara.md: New file.
11211 * config/sparc/sparc.md: Include it.
11212 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11213 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11214 when default cpu is niagara.
11215 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11216 (ASM_CPU_SPEC): Likewise.
11217 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11218 when default cpu is niagara.
11219 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11220 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11221 just like v9/ultrasparc/ultrasparc3.
11222 * doc/invoke.texi: Add documentation for "niagara" and improve
11223 existing documentation for ultrasparc variants.
11225 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11227 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11229 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11231 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11232 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11233 and say that only one is needed.
11234 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11235 * target.h (have_switchable_bss_sections): New hook.
11236 * explow.c (use_anchored_address): Check that the symbol is in a block.
11237 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11238 (bss_noswitch_section): New variables.
11239 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11240 (get_noswitch_section): New function.
11241 (get_block_for_section): Allow SECT to be null.
11242 (unlikely_text_section_p): Use SECTION_STYLE.
11243 (bss_initializer_p): New function.
11244 (get_variable_section): Move earlier in file. Take a new argument,
11245 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11246 Return one of the new *_sections in such cases.
11247 (get_block_for_decl): New function, extracting some logic from
11248 use_blocks_for_decl_p.
11249 (change_symbol_section): Remove in favor of...
11250 (change_symbol_block): ...this new function.
11251 (use_blocks_for_decl_p): Remove checks now performed by
11252 get_block_for_decl.
11253 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11254 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11255 (emit_local, emit_bss, emit_common): ...these new functions.
11256 Return true if the alignment was honored.
11257 (emit_tls_common): New function.
11258 (asm_emit_uninitialised): Delete.
11259 (assemble_variable_noswitch): New function, split out from...
11260 (assemble_variable): ...here. Don't make decisions about common
11261 variables here. Globalize all public decls that go into non-common
11262 sections. Check whether SYMBOL_REF_BLOCK is null.
11263 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11264 (output_constant_pool): Likewise.
11265 (init_varasm_once): Initialize the new section variables.
11266 (have_global_bss_p): New function.
11267 (categorize_decl_for_section): Use bss_initializer_p.
11268 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11269 (place_block_symbol): Assert that the symbol must be in a block.
11270 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11271 (TARGET_INITIALIZER): Include it.
11272 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11273 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11274 (SECTION_MACH_DEP): Bump by two.
11275 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11276 (unnamed_section): Mention SECTION_UNNAMED in comment.
11277 (named_section): Likewise SECTION_NAMED.
11278 (noswitch_section_callback): New type.
11279 (noswitch_section): New structure.
11280 (section): Add a noswitch_section alternative.
11281 (SECTION_STYLE): New macro.
11282 (tls_comm_section, comm_section, lcomm_section): Declare.
11283 (bss_noswitch_section, have_global_bss_p): Declare.
11284 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11285 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11287 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11288 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11291 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11293 * tree-vrp.c (execute_vrp): Return value.
11294 * regrename.c (rest_of_handle_regrename): Ditto.
11295 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11296 * tree-complex.c (tree_lower_complex): Ditto.
11297 (tree_lower_complex_O0): Ditto.
11298 * tracer.c (rest_of_handle_tracer): Ditto.
11299 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11300 * postreload.c (rest_of_handle_postreload): Ditto.
11301 * tree-tailcall.c (execute_tail_recursion): Ditto.
11302 (execute_tail_calls): Ditto.
11303 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11304 * tree.h (init_function_for_compilation): Ditto.
11305 * ipa-cp.c (ipcp_driver): Ditto.
11306 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11307 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11308 * final.c (compute_alignments): Ditto.
11309 (rest_of_handle_final): Ditto.
11310 (rest_of_handle_shorten_branches): Ditto.
11311 (rest_of_clean_state): Ditto.
11312 * omp-low.c (execute_expand_omp): Ditto.
11313 (execute_lower_omp): Ditto.
11314 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11315 * ipa-reference.c (static_execute): Ditto.
11316 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11317 * reorg.c (rest_of_handle_delay_slots): Ditto.
11318 (rest_of_handle_machine_reorg): Ditto.
11319 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11320 * flow.c (recompute_reg_usage): Ditto.
11321 (rest_of_handle_remove_death_notes): Ditto.
11322 (rest_of_handle_life): Ditto.
11323 (rest_of_handle_flow2): Ditto.
11324 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11325 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11326 (do_ssa_store_ccp): Ditto.
11327 (execute_fold_all_builtins): Ditto.
11328 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11329 * modulo-sched.c (rest_of_handle_sms): Ditto.
11330 * ipa-pure-const.c (static_execute): Ditto.
11331 * cse.c (rest_of_handle_cse): Ditto.
11332 (rest_of_handle_cse2): Ditto.
11333 * web.c (rest_of_handle_web): Ditto.
11334 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11335 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11336 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11337 * tree-nrv.c (tree_nrv): Ditto.
11338 (execute_return_slot_opt): Ditto.
11339 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11340 (create_structure_vars): Ditto.
11341 * loop-init.c (rtl_loop_init): Ditto.
11342 (rtl_loop_done): Ditto.
11343 (rtl_move_loop_invariants): Ditto.
11344 (rtl_unswitch): Ditto.
11345 (rtl_unroll_and_peel_loops): Ditto.
11346 (rtl_doloop): Ditto.
11347 * gimple-low.c (lower_function_body): Ditto.
11348 (mark_used_blocks): Ditto.
11349 * tree-ssa-sink.c (execute_sink_code): Ditto.
11350 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11351 (cgraph_early_inlining): Ditto.
11352 * global.c (rest_of_handle_global_alloc): Ditto.
11353 * jump.c (cleanup_barriers): Ditto.
11354 (purge_line_number_notes): Ditto.
11355 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11356 (rest_of_handle_if_after_reload): Ditto.
11357 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11358 (tree_ssa_loop_im): Ditto.
11359 (tree_ssa_loop_unswitch): Ditto.
11360 (tree_vectorize): Ditto.
11361 (tree_linear_transform): Ditto.
11362 (tree_ssa_loop_ivcanon): Ditto.
11363 (tree_ssa_empty_loop): Ditto.
11364 (tree_ssa_loop_bounds): Ditto.
11365 (tree_complete_unroll): Ditto.
11366 (tree_ssa_loop_prefetch): Ditto.
11367 (tree_ssa_loop_ivopts): Ditto.
11368 (tree_ssa_loop_done): Ditto.
11369 * predict.c (tree_estimate_probability): Ditto.
11370 * recog.c (split_all_insns_noflow): Ditto.
11371 (rest_of_handle_peephole2): Ditto.
11372 (rest_of_handle_split_all_insns): Ditto.
11373 * tree-eh.c (lower_eh_constructs): Ditto.
11374 * regmove.c (rest_of_handle_regmove): Ditto.
11375 (rest_of_handle_stack_adjustments): Ditto.
11376 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11377 * function.c (instantiate_virtual_regs): Ditto.
11378 (init_function_for_compilation): Ditto.
11379 (rest_of_handle_check_leaf_regs): Ditto.
11380 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11381 (rest_of_handle_gcse): Ditto.
11382 * ipa-type-escape.c (type_escape_execute): Ditto.
11383 * alias.c (rest_of_handle_cfg): Ditto.
11384 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11385 * profile.c (rest_of_handle_branch_prob): Ditto.
11386 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11387 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11388 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11389 * tree-dfa.c (find_referenced_vars): Ditto.
11390 * except.c (set_nothrow_function_flags): Ditto.
11391 (convert_to_eh_region_ranges): Ditto.
11392 (rest_of_handle_eh): Ditto.
11393 * emit-rtl.c (unshare_all_rtl): Ditto.
11394 (remove_unnecessary_notes): Ditto.
11395 * except.h (set_nothrow_function_flags): Ditto.
11396 (convert_to_eh_region_ranges): Ditto.
11397 * cfgexpand.c (tree_expand_cfg): Ditto.
11398 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11399 * tree-ssa-pre.c (do_pre): Ditto.
11400 (execute_fre): Ditto.
11401 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11402 (rest_of_handle_jump2): Ditto.
11403 * tree-sra.c (tree_sra): Ditto.
11404 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11405 (execute_mudflap_function_decls): Ditto.
11406 * tree-ssa-copy.c (do_copy_prop): Ditto.
11407 (do_store_copy_prop): Ditto.
11408 * ipa-prop.h (ipcp_driver): Ditto.
11409 * cfglayout.c (insn_locators_initialize): Ditto.
11410 * tree-ssa-forwprop.c
11411 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11412 * cfglayout.h (insn_locators_initialize): Ditto.
11413 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11414 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11415 (execute_late_warn_uninitialized): Ditto.
11416 * rtl.h (cleanup_barriers): Ditto.
11417 (split_all_insns_noflow): Ditto.
11418 (purge_line_number_notes): Ditto.
11419 (unshare_all_rtl): Ditto.
11420 (remove_unnecessary_notes): Ditto.
11421 (recompute_reg_usage): Ditto.
11422 (variable_tracking_main): Ditto.
11423 * integrate.c (emit_initial_value_sets): Ditto.
11424 * integrate.h (emit_initial_value_sets): Ditto.
11425 * tree-optimize.c (execute_free_datastructures): Ditto
11426 (execute_free_cfg_annotations): Ditto.
11427 (execute_fixup_cfg): Ditto.
11428 (execute_cleanup_cfg_pre_ipa): Ditto.
11429 (execute_cleanup_cfg_post_optimizing): Ditto.
11430 (execute_init_datastructures): Ditto.
11431 * tree-object-size.c (compute_object_sizes): Ditto.
11432 * combine.c (rest_of_handle_combine): Ditto.
11433 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11434 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11435 (rest_of_handle_reorder_blocks): Ditto.
11436 (rest_of_handle_partition_blocks): Ditto.
11437 * var-tracking.c (variable_tracking_main): Ditto.
11438 * tree-profile.c (tree_profiling): Ditto.
11439 * tree-vect-generic.c (expand_vector_operations): Ditto.
11440 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11441 * sched-rgn.c (rest_of_handle_sched): Ditto.
11442 (rest_of_handle_sched2): Ditto.
11443 * basic-block.h (free_bb_insn): Ditto.
11444 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11445 * tree-cfg.c (execute_build_cfg): Ditto.
11446 (remove_useless_stmts): Ditto.
11447 (split_critical_edges): Ditto.
11448 (execute_warn_function_return): Ditto.
11449 (execute_warn_function_noreturn): Ditto.
11450 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11451 * cfgrtl.c (free_bb_for_insn): Ditto.
11452 * passes.c (execute_one_pass): Run additional
11453 todos returned by execute function.
11454 * tree-pass.h (struct tree_opt_pass): Make execute
11457 2006-03-02 Richard Guenther <rguenther@suse.de>
11459 * tree-ssa-alias.c (find_used_portions): Consider taking
11460 the address as making the variable not write-only.
11462 2006-03-02 Nick Clifton <nickc@redhat.com>
11464 * config.gcc (default_use_cxa_atexit): Extend the description of
11465 this configure variable. Set its default value to "yes" for
11466 Linux, NetBSD and ELF targets on the assumption that they will
11467 use C libraries with the __cxa_atexit function.
11469 2006-03-02 Ben Elliston <bje@au.ibm.com>
11471 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11472 parameter as unused to suppress a build warning.
11474 2006-03-02 Ben Elliston <bje@au.ibm.com>
11476 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11479 2006-03-01 Roger Sayle <roger@eyesopen.com>
11482 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11483 declared name, the weak reference name, and the typeof name.
11484 (__gthrw): Avoid expanding the declared name suffix.
11485 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11487 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11489 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11491 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11492 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11493 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11494 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11495 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11496 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11497 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11498 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11499 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11500 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11501 (DW_END_default, DW_END_big, DW_END_little): New.
11502 (DW_END_lo_user, DW_END_hi_user): Define.
11503 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11504 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11505 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11508 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11510 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11512 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11514 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11516 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11518 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11519 to 'symbol_mem_tag'.
11521 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11524 2006-03-01 Roger Sayle <roger@eyesopen.com>
11526 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11528 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11531 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11532 MACHO_DYNAMIC_NO_PIC_P.
11533 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11535 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11538 * config/darwin-protos.h (darwin_asm_output_anchor):
11540 * config/darwin-sections.def (cstring_section):
11541 Add SECTION_MERGE to the flags.
11542 (literal4_section): Likewise.
11543 (literal8_section): Likewise.
11544 (objc_selector_refs_section): Likewise.
11545 (objc_cls_refs_section): Likewise.
11546 * config/darwin.c (darwin_asm_output_anchor): New
11548 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11550 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11552 Fix PR tree-optimization/26443
11553 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11554 to todo and PROP_tmt_usage to properties_destroyed.
11555 * tree-ssa-ccp.c (pass_ccp): Ditto.
11556 (pass_store_ccp): Ditto.
11557 * tree-ssa-dom.c (pass_dominator): Ditto.
11559 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11561 * tree-ssa-operands.c: Cleanup whitespace.
11562 (get_asm_expr_operands): Move before first invocation.
11563 (get_indirect_ref_operands): Likewise.
11564 (get_tmr_operands): Likewise.
11565 (get_call_expr_operands): Likewise.
11566 (append_def): Likewise.
11567 (append_use): Likewise.
11568 (append_v_may_def): Likewise.
11569 (append_v_must_def): Likewise.
11570 (add_call_clobber_ops): Likewise.
11571 (add_call_read_ops): Likewise.
11572 (add_stmt_operand): Likewise.
11573 (add_virtual_operand): Likewise.
11574 (build_ssa_operands): Likewise.
11576 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11578 PR middle-end/26022
11580 PR middle-end/24437
11581 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11582 with a call expr to ...
11583 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11585 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11587 * tree-vrp.c (extract_range_from_assert): Remove special
11588 handling for types with super-types.
11590 2006-03-01 Ben Elliston <bje@au.ibm.com>
11592 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11593 and powerpc64-*-linux* configurations.
11594 * config/t-dfprules: New file.
11596 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11597 Compile dfp-bit.c from the source directory using -DWIDTH and
11598 $DFP_CFLAGS to control the compilation of that file, rather than
11599 generating width-specific versions in the build directory.
11600 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11601 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11603 2006-02-28 Zack Weinberg <zackw@panix.com>
11605 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11608 2006-02-28 Eric Christopher <echristo@apple.com>
11610 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11611 Set up IN_LIBGCC definition of TARGET_64BIT.
11612 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11614 2006-02-28 Roger Sayle <roger@eyesopen.com>
11616 PR middle-end/14752
11617 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11618 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11619 cases via the construction of "expr != 0".
11621 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11623 * alias.c (alias_invariant, alias_invariant_size): Remove.
11624 (record_base_value): Remove.
11625 (memrefs_conflict_p): Don't look at alias_invariant.
11626 (end_alias_analysis): Don't free it.
11627 * alias.h (record_base_value): Remove prototype.
11629 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11630 Adam Nemet <anemet@caviumnetworks.com>
11632 * rtl.h (truncated_to_mode): Declare it.
11633 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11634 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11635 (RTL_HOOKS_INITIALIZER): Include it.
11636 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11637 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11638 reg_truncated_to_mode.
11639 * rtlanal.c (truncated_to_mode): Define it.
11640 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11642 2006-02-28 Jeff Law <law@redhat.com>
11644 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11645 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11646 the range allowed by TYPE_PRECISION.
11648 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11650 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11652 PR tree-optimization/26419
11653 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11656 2006-02-27 Zack Weinberg <zackw@panix.com>
11658 * doc/md.texi: Fix typo in previous change.
11660 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11664 2006-02-27 Zack Weinberg <zackw@panix.com>
11666 * rtl.def (define_constraint, define_register_constraint)
11667 (define_memory_constraint, define_address_constraint): New MD forms.
11668 * gensupport.c (process_rtx): Put define_constraint etc on the
11670 * genpreds.c (process_define_predicate): Adjust comment. Validate
11671 the name, and call validate_exp to validate the expression.
11672 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11673 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11674 all callers changed.
11675 (validate_exp, needs_variable, struct constraint_data)
11676 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11677 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11678 (const_dbl_constraints, constraint_max_namelen)
11679 (have_register_constraints, have_memory_constraints)
11680 (have_address_constraints, have_address_constraints)
11681 (have_extra_constraints, have_const_int_constraints)
11682 (have_const_dbl_constraints, mangle, add_constraint)
11683 (process_define_constraint, process_define_register_constraint)
11684 (write_enum_constraint_num, write_lookup_constraint)
11685 (write_insn_constraint_len, write_regclass_for_constraint)
11686 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11687 (write_insn_extra_memory_constraint)
11688 (write_insn_extra_address_constraint)
11689 (write_satisfies_constraint_fns): New.
11690 (write_tm_preds_h): If we have new-style constraint definitions,
11691 prototype the functions generated from them, and define the
11692 old constraint interface (still used by generic code) in terms of
11694 (write_insn_preds_c): If we have new-style constraint definitions,
11695 generate all relevant functions from those definitions.
11696 (main): Handle define_constraint etc.
11697 * genoutput.c (struct constraint_data, indep_constraints)
11698 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11699 (mdep_constraint_len): New data structures and functions, defined
11700 #ifdef USE_MD_CONSTRAINTS.
11701 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11702 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11703 use new logic to validate operand constraints against constraint
11705 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11707 * defaults.h: If none of the old-style constraint macros are
11708 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11709 old-style macros; and poison REG_CLASS_FROM_LETTER,
11710 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11712 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11713 * doc/md.texi: Document new constraint-definition mechanism and the
11714 C interface it provides. Remove references to old mechanism
11715 elsewhere in the document.
11716 (Machine Constraints): Use pathnames relative to gcc directory,
11717 i.e. config/ARCH/FILE. Change i386 section to refer to
11718 config/i386/predicates.md; update that section to match docstrings.
11719 * doc/tm.texi: Move all documentation of the old constraint-
11720 definition macros to their own section, clearly mark as obsolete.
11722 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11723 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11725 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11726 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11727 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11728 constraint strings.
11729 (splits and peepholes): Use satisfies_constraint_*.
11730 * config/i386/i386.c (memory_address_length)
11731 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11733 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11735 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11736 scalar operation to be put back into the loop.
11738 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11741 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11742 (extract_cie_info): Handle S flag in augmentation string.
11743 (execute_cfa_program): If context->signal_frame, execute also
11744 fs->pc == context->ra instructions.
11745 (uw_frame_state_for): If context->signal_frame, don't subtract one
11746 from context->ra to find FDE.
11747 (uw_update_context_1): Set context->signal_frame to
11749 (_Unwind_GetIPInfo): New function.
11750 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11751 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11753 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11754 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11755 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11756 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11757 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11758 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11759 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11760 x86_64_fallback_frame_state): Set fs->signal_frame.
11761 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11762 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11763 (frob_update_context): Likewise. Workaround missing S flag in
11764 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11765 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11766 Remove the psw_addr + 1 hack.
11768 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11770 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11771 with aggregates here.
11772 (find_func_aliases): Remove code for &<aggregate> from here.
11774 2006-02-26 Roger Sayle <roger@eyesopen.com>
11776 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11777 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11778 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11779 as (X & C) ne/eq 0.
11781 2006-02-26 Roger Sayle <roger@eyesopen.com>
11783 PR middle-end/19983
11784 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11786 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11788 * opts.c (decode_options): Do not handle flag_strength_reduce.
11789 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11790 and OPT_fstrength_reduce.
11791 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11792 flag_prefetch_loop_arrays for being nonzero.
11793 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11795 (fprefetch-loop-arrays-rtl): Removed.
11796 (flag_prefetch_loop_arrays): Do not specify the value.
11798 * doc/passes.texi: Update documentation of loop optimizer
11800 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11801 -frerun-loop-opt): Remove.
11803 2006-02-26 Richard Guenther <rguenther@suse.de>
11805 PR tree-optimization/26421
11806 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11807 in function calls that are ADDR_EXPRs as using the whole structure.
11809 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11811 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11812 * tree-pass.h (pass_loop_optimize): Remove.
11813 * passes.c (pass_loop_optimize): Never run it.
11814 * toplev.c (backend_init): Don't call init_loop.
11815 * opts.c (flag_loop_optimize_set): Remove.
11816 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11817 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11818 the old RTL loop optimizer when profiling enabled.
11819 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11820 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11821 pre-headers for the sake of the old RTL loop optimizer.
11822 * Makefile.in: Remove all references to loop.o.
11824 * doc/invoke.texi: Remove all references to -floop-optimize
11825 and -frerun-loop-opt.
11827 2006-02-26 Zack Weinberg <zackw@panix.com>
11829 * doc/md.texi (Machine Constraints): Refer to all files with paths
11830 relative to gcc directory (i.e. config/CPU/file). Add missing
11831 @table @code ... @end table to M32C subsection.
11833 2006-02-26 Roger Sayle <roger@eyesopen.com>
11835 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11837 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11839 2006-02-26 Roger Sayle <roger@eyesopen.com>
11840 James A. Morrison <phython@gcc.gnu.org>
11842 PR middle-end/21137
11843 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11844 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11845 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11846 signedness of the shift operation.
11848 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11850 PR tree-optimization/26359
11851 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11853 2006-02-25 Roger Sayle <roger@eyesopen.com>
11855 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11856 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11857 as X == 0, and some symmetry related transformations.
11858 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11860 2006-02-25 Roger Sayle <roger@eyesopen.com>
11862 PR middle-end/23673
11863 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11864 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11865 symmetry related transformations. Fold (X^C1) == C2 as
11868 2006-02-25 Juergen Weigert <jw@suse.de>
11869 Richard Guenther <rguenther@suse.de>
11871 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11873 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11875 * combine.c (gen_lowpart_or_truncate): Call
11876 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11878 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11880 * doc/invoke.texi: Move -fopenmp description to "Options for
11882 Remove reference to -lgomp.
11884 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11886 * doc/install.texi: Require GNU tar version 1.14.
11888 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11890 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11891 * doc/invoke.texi (C++ Dialect Options): Document
11892 -fno-use-cxa-get-exception-ptr.
11893 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11894 * configure: Regenerate.
11895 * c.opt (fuse-cxa-get-exception-ptr): New.
11896 * c-opts.c (c_common_handle_option): Handle
11897 OPT_fuse_cxa_get_exception_ptr.
11898 * c-common.c (flag_use_cxa_atexit): Update documentation.
11899 (flag_use_cxa_get_exception_ptr): New.
11900 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11901 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11903 (C_COMMON_OVERRIDE_OPTIONS): New.
11905 2006-02-24 Roger Sayle <roger@eyesopen.com>
11907 PR middle-end/24952
11908 * combine.c (try_combine): Explicitly check whether GET_CODE is
11909 a SET or a CLOBBER, instead on checking that it isn't a USE.
11911 2006-02-24 Roger Sayle <roger@eyesopen.com>
11913 * fold-const.c (fold_comparison): New subroutine of fold_binary
11914 containing transformations common to both the equality and
11915 ordering relational operators, factored out of fold_binary.
11916 (fold_binary): Separate out the equality operators (EQ_EXPR
11917 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11918 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11919 transformations common to both.
11920 (fold_div_compare): Fix latent bugs in the previously unreachable
11921 LT_EXPR and GE_EXPR cases.
11923 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11925 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11926 decl libname for clog to __clog on AIX.
11928 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11930 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11933 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11934 output traceback table for thunks. Localise rs6000_stack_info call.
11936 2006-02-23 Roger Sayle <roger@eyesopen.com>
11937 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11939 * gthr-posix.h (__gthrw): Fix typo in comment.
11941 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11943 * doc/cpp.texi (Character sets): Document that we do support
11944 input files to be in any character set.
11946 2006-02-23 Jeff Law <law@redhat.com>
11948 * tree.h (PHI_ARG_NONZERO): Remove.
11949 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11950 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11951 node to the new node.
11953 PR tree-optimization/26425
11954 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11955 min/max, then assume its varying.
11957 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11959 PR rtl-optimization/26316
11960 * rtlanal.c (enum may_trap_p_flags): New.
11961 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11962 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11963 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11964 (may_trap_after_code_motion_p): New function.
11965 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11966 (find_invariant_insn): Use may_trap_after_code_motion_p.
11967 * rtl.h (may_trap_after_code_motion_p): Declare.
11969 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11971 * emit-rtl.c (immed_double_const): Cleanup.
11973 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11975 Fix PR tree-optimization/26376
11976 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11979 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11981 PR middle-end/26412
11982 * gimplify.c (omp_add_variable): Guard variable size decl test with
11983 DECL_SIZE (decl) check.
11985 2006-02-23 Richard Guenther <rguenther@suse.de>
11987 PR middle-end/26439
11988 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11989 like aggregate types.
11991 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11993 * configure.ac: Add --with{,out}-long-double-128 configure option.
11994 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11995 * configure: Rebuilt.
11996 * config.in: Rebuilt.
11997 * doc/install.texi (Options specification): Document
11998 --with-long-double-128.
12000 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12001 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12002 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12003 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12005 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12007 * config/s390/s390.c (override_options): Handle
12008 TARGET_DEFAULT_LONG_DOUBLE_128.
12010 * config/alpha/alpha.c (override_options): Handle
12011 TARGET_DEFAULT_LONG_DOUBLE_128.
12013 * config/sparc/sparc.c (sparc_override_options): Handle
12014 TARGET_DEFAULT_LONG_DOUBLE_128.
12016 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12018 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12019 (real-install-headers-tar, real-install-headers-cpio)
12020 (real-install-headers-cp): New targets.
12022 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12024 * tree.h (variable_section): Delete.
12025 * varasm.c (variable_section): Delete.
12027 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12029 * install.texi: Add notes on install.texi2html.
12030 (Building in parallel): Do not use footnotes.
12032 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12035 * doc/install.texi (Configuration): Document --disable-libgomp.
12037 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12039 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12041 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12043 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12044 (vec_extractv2df_0_sse): New.
12046 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12048 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12049 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12050 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12051 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12052 to the result of the expression.
12053 (def_cfa_1): Adjust.
12054 (frame_pointer_cfa_offset): Rename to...
12055 (frame_pointer_fb_offset): ... this. Adjust all uses.
12056 (convert_cfa_to_loc_list): Rename to...
12057 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12058 Pass it on to build_cfa_loc.
12059 (compute_frame_pointer_to_cfa_displacement): Rename to...
12060 (compute_frame_pointer_to_fb_displacement): ... this. New
12061 offset parameter. Use it in computation.
12062 (gen_subprogram_die): Compute cfa_fb_offset with the new
12063 macro, and use it to compute the fb loc list and the
12066 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12068 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12069 replaced with register_operand.
12070 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12071 non-DREG is expensive.
12072 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12073 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12076 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12078 * doc/install.texi2html: Use set -e.
12080 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12082 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12083 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12084 * doc/invoke.texi (-fshared-data): Delete.
12085 * common.opt (fshared-data): Delete.
12086 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12087 (assemble_static_space): Remove #if 0 code.
12088 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12089 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12090 * config/cris/cris.h: Remove FIXME.
12092 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12094 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12097 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12099 PR middle-end/26379
12100 * combine.c (simplify_shift_const_1): Disable nested shifts
12101 optimization for vector shifts.
12103 2006-02-20 Roger Sayle <roger@eyesopen.com>
12105 PR tree-optimization/26361
12106 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12107 of unsigned integer types.
12109 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12111 * tree-chrec.c (eq_evolutions_p): New.
12112 * tree-chrec.h (eq_evolutions_p): Declared.
12113 * tree-data-ref.c: Fix formatting.
12114 (datadep_stats, dependence_stats): New.
12116 (print_direction_vector): New.
12117 (dump_data_dependence_relation): Use print_direction_vector.
12118 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12119 (compute_subscript_distance): Static.
12120 (initialize_data_dependence_relation): Static. Get the number
12121 of loops surrounding the references from the callers, and initialize
12122 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12123 base_object_differ_p analyzers.
12124 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12125 compute_overlap_steps_for_affine_1_2,
12126 analyze_subscript_affine_affine): Count the classified dependences.
12127 Print a message when a test failed.
12128 (can_use_analyze_subscript_affine_affine): New.
12129 (analyze_siv_subscript): Compute the data dependences on symbolic
12130 scevs that verify can_use_analyze_subscript_affine_affine.
12131 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12132 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12133 Handle symbolic scevs.
12134 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12136 (subscript_dependence_tester): Moved...
12137 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12138 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12139 DDR_SIZE_VECT instead of getting it in parameter.
12140 (subscript_dependence_tester): ... here. Take as a parameter
12141 loop_nest_depth. Call build_classic_dist_vector and
12142 build_classic_dir_vector.
12143 (compute_affine_dependence): Update subscript_dependence_tester
12144 parameters. Update datadep_stats counters. Call
12145 compute_subscript_distance.
12146 (compute_self_dependence): Save the dist and dir vectors. Call
12147 compute_subscript_distance.
12148 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12149 (compute_all_dependences): Reorder parameters as they were before
12150 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12151 compute_subscript_distance. Update the use of
12152 compute_affine_dependence and initialize_data_dependence_relation.
12153 (find_data_references_in_loop): Handle COMPONENT_REF.
12154 (compute_data_dependences_for_loop): Initialize dependence_stats.
12155 Don't call build_classic_dist_vector and build_classic_dir_vector.
12156 Update the parameters of initialize_data_dependence_relation and
12157 compute_all_dependences. Print the statistics from datadep_stats.
12158 (analyze_all_data_dependences): Static. Not used until the pass for
12159 checking the data dependences is contributed.
12160 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12161 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12162 (initialize_data_dependence_relation, compute_affine_dependence,
12163 analyze_all_data_dependences, compute_subscript_distance): Removed.
12164 (print_direction_vector): New.
12165 * lambda.h (gcd): ... here.
12166 (lambda_vector_gcd): Moved here from gcd_vector.
12167 * lambda-code.c (gcd, gcd_vector): Removed.
12168 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12169 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12171 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12173 * ipa-type-escape.c: Tidy some comments and white space.
12174 * tree-ssa-operands.c: Likewise.
12176 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12179 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12180 (dump_decl_name): Do not walk the decl tree chains.
12181 * tree-pass.h (TDF_CHAIN): Remove.
12183 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12185 * Makefile.in (C): Remove
12187 (.PHONY): Remove C and PROTO
12189 2006-02-20 Roger Sayle <roger@eyesopen.com>
12191 PR middle-end/26236
12192 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12193 deprecated CHAR_TYPE tree code.
12195 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12197 * configure.ac (target_list): Add install-info, dvi, html.
12198 * configure: Regenerate.
12200 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12201 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12202 treelang/Make-lang.in: Do not use double-colon rules.
12204 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12206 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12207 (TMT_USED_ALONE): New macro.
12208 * tree-pass.h (PROP_tmt_usage): New property.
12209 (TODO_update_tmt_usage): New todo.
12210 * tree-ssa-alias.c (updating_used_alone): New variable.
12211 (recalculate_used_alone): New function.
12212 (compute_may_aliases): Set updating_used_alone, call
12213 recalculate_used_alone.
12214 * tree-sra.c (pass_sra): Note that this pass destroys
12215 PROP_tmt_usage, and add TODO_update_tmt_usage.
12216 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12217 * tree-flow.h (updating_used_alone): Prototype.
12218 (recalculate_used_alone): Ditto.
12219 * passes.c (execute_todo): Add code to set updating_used_alone,
12220 and call recalculate.
12221 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12222 for clobber if used alone, and add assert to verify used_alone
12225 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12227 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12228 for non tls symbols added.
12229 (legitimize_address): Do nothing for PLUS expressions if one of the
12230 addends is a tls symbol reference.
12232 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12236 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12238 * Makefile.in (BOOTSTRAPPING): New.
12239 (quickstrap): New definition if BOOTSTRAPPING=yes.
12241 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12242 * configure.ac: Substitute all_selected_languages with the languages
12243 that were configured. For all the other variables except
12244 lang_specs_files, include all the languages in the tree.
12245 * configure: Regenerate.
12247 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12248 if there is one. Run the commands to run fixincludes in the same
12251 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12252 * doc/install.texi: Document exact conventions for searching target tools.
12253 Document --with-build-time-tools. Document toplevel bootstrap. Document
12254 something more about building an Ada cross-compiler. Don't list GNU Make
12255 requirements which affect all platforms.
12257 2006-02-19 Roger Sayle <roger@eyesopen.com>
12259 PR middle-end/19543
12260 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12261 only equivalent if the have both the same mode and precision.
12263 2006-02-20 Ben Elliston <bje@au.ibm.com>
12265 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12267 2006-02-19 Roger Sayle <roger@eyesopen.com>
12268 Steven Bosscher <stevenb.gcc@gmail.com>
12270 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12271 constant pool references to identify stack mode constants.
12272 * rtlanal.c (constant_pool_constant_p): New predicate to check
12273 whether operand is a floating point constant in the pool.
12274 * rtl.h (constant_pool_constant_p): Prototype here.
12275 * loop.c (scan_loop): Avoid hoisting constants from the constant
12276 pool on STACK_REGS targets.
12277 (load_mems): Likewise.
12278 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12279 loads into x87 registers expensive in terms of register pressure.
12281 2006-02-19 Roger Sayle <roger@eyesopen.com>
12283 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12284 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12286 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12288 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12289 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12291 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12293 * doc/invoke.texi: Document -fipa-pta.
12294 * common.opt: Add ipa-pta option.
12295 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12296 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12297 (do_ds_constraint): Ditto.
12298 (get_constraint_for): Only add to referenced_vars if
12299 referenced_vars exists.
12300 (insert_into_field_list): Rewrite to do this unsorted.
12301 (insert_into_field_list_sorted): Rename old insert_into_field_list
12303 (create_function_info_for): Use insert_into_field_list_sorted.
12304 (create_variable_info_for): Rewrite so it uses unsorted version,
12305 since the field list is sorted.
12306 (intra_create_variable_infos): Only add to referenced_vars if
12307 referenced_vars exists.
12308 (ipa_pta_execute): Init heapvars, and delete when done.
12309 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12311 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12313 * doc/install.texi: Add missing `@samp'.
12315 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12317 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12320 2006-02-18 Mark Wielaard <mark@klomp.org>
12322 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12323 who added new 4.1 features, bug fixes and integration support.
12325 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12328 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12329 MEM for ABI_V4 pic.
12331 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12333 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12334 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12335 (copy_insn_1): Likewise. Don't copy each field individually.
12337 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12339 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12340 * rtl.c (rtx_size): Rename variable to...
12341 (rtx_code_size): ...this.
12342 (rtx_size): New function.
12343 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12344 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12346 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12347 * rtl.h (rtx_code_size): New variable.
12348 (rtx_size): Change from a variable to a function.
12349 (RTX_SIZE): Rename to...
12350 (RTX_CODE_SIZE): ...this.
12353 PR tree-optimization/17106
12354 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12355 (Anchored Addresses): New section.
12356 * doc/invoke.texi (-fsection-anchors): Document.
12357 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12358 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12359 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12360 * hooks.c (hook_bool_mode_rtx_false): New function.
12361 * hooks.h (hook_bool_mode_rtx_false): Declare.
12362 * gengtype.c (create_optional_field): New function.
12363 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12364 SYMBOL_REF_IN_BLOCK_P is true.
12365 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12366 (min_anchor_offset, max_anchor_offset): Likewise.
12367 (use_anchors_for_symbol_p): New hook.
12368 * toplev.c (compile_file): Call output_object_blocks.
12369 (target_supports_section_anchors_p): New function.
12370 (process_options): Check that -fsection-anchors is only used on
12371 targets that support it and when -funit-at-a-time is in effect.
12372 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12373 if the decl doesn't have one.
12374 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12375 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12376 of force_const_mem through use_anchored_address.
12377 (expand_expr_constant): New function.
12378 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12379 calling expand_expr for INDIRECT_REF.
12380 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12381 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12382 * expr.h (use_anchored_address): Declare.
12383 * loop-unroll.c: Don't declare rtx vectors here.
12384 * explow.c: Include output.h.
12385 (validize_mem): Call use_anchored_address.
12386 (use_anchored_address): New function.
12387 * common.opt (-fsection-anchors): New switch.
12388 * varasm.c (object_block_htab, anchor_labelno): New variables.
12389 (hash_section, object_block_entry_eq, object_block_entry_hash)
12390 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12391 (use_blocks_for_decl_p, change_symbol_section): New functions.
12392 (get_variable_section): New function, split out from assemble_variable.
12393 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12394 use_blocks_for_decl_p say so. Use change_symbol_section if the
12395 symbol has already been created.
12396 (assemble_variable_contents): New function, split out from...
12397 (assemble_variable): ...here. Don't output any code for
12398 block symbols; just pass them to place_block_symbol.
12399 Use get_variable_section and assemble_variable_contents.
12400 (get_constant_alignment, get_constant_section, get_constant_size): New
12401 functions, split from output_constant_def_contents.
12402 (build_constant_desc): Create a block symbol if use_object_blocks_p
12403 says so. Or into SYMBOL_REF_FLAGS.
12404 (assemble_constant_contents): New function, split from...
12405 (output_constant_def_contents): ...here. Don't output any code
12406 for block symbols; just pass them to place_section_symbol.
12407 Use get_constant_section and get_constant_alignment.
12408 (force_const_mem): Create a block symbol if use_object_blocks_p and
12409 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12410 (output_constant_pool_1): Add an explicit alignment argument.
12411 Don't switch sections here.
12412 (output_constant_pool): Adjust call to output_constant_pool_1.
12413 Switch sections here instead. Don't output anything for block symbols;
12414 just pass them to place_block_symbol.
12415 (init_varasm_once): Initialize object_block_htab.
12416 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12417 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12418 (place_block_symbol, get_section_anchor, output_object_block)
12419 (output_object_block_htab, output_object_blocks): New functions.
12420 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12421 (TARGET_ASM_OUT): Include it.
12422 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12423 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12424 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12425 (TARGET_INITIALIZER): Include them.
12426 * rtl.c (rtl_check_failed_block_symbol): New function.
12427 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12428 (block_symbol, object_block): New structures.
12429 (rtx_def): Add a block_symbol field to the union.
12430 (BLOCK_SYMBOL_CHECK): New macro.
12431 (rtl_check_failed_block_symbol): Declare.
12432 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12433 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12434 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12435 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12436 * output.h (output_section_symbols): Declare.
12437 (object_block): Name structure.
12438 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12439 (default_use_anchors_for_symbol_p): Declare.
12440 * Makefile.in (RTL_BASE_H): Add vec.h.
12441 (explow.o): Depend on output.h.
12442 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12443 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12444 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12445 (rs6000_use_blocks_for_constant_p): New function.
12447 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12449 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12451 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12454 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12457 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12459 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12463 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12465 PR middle-end/26334
12466 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12467 instead of DECL_REGISTER.
12469 2006-02-18 Olivier Hainque <hainque@adacore.com>
12472 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12474 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12477 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12478 * opth-gen.awk: Handle Var and InverseMask together.
12479 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12480 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12481 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12482 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12484 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12485 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12486 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12487 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12488 LINUX_DYNAMIC_LINKER): Define.
12489 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12490 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12492 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12493 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12494 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12495 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12496 (TARGET_C99_FUNCTIONS): Don't define.
12497 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12498 GLIBC_DYNAMIC_LINKER.
12499 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12500 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12501 GLIBC_DYNAMIC_LINKER64): Define.
12502 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12503 LINUX_DYNAMIC_LINKER64.
12504 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12505 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12506 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12507 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12508 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12509 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12510 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12511 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12512 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12513 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12514 and LINUX_DYNAMIC_LINKER32.
12515 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12516 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12517 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12518 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12519 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12521 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12522 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12523 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12524 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12525 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12526 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12527 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12528 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12529 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12530 LINUX_DYNAMIC_LINKER): Define.
12531 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12532 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12533 GLIBC_DYNAMIC_LINKER64): Define.
12534 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12535 LINUX_DYNAMIC_LINKER64.
12536 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12537 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12538 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12539 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12540 LINUX_DYNAMIC_LINKER): Define.
12541 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12542 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12543 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12544 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12545 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12546 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12547 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12548 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12549 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12550 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12551 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12552 * doc/invoke.texi (-muclibc): Remove caveat about supported
12555 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12557 * doc/cpp.texi (__TIMESTAMP__): Document.
12559 2006-02-17 Roger Sayle <roger@eyesopen.com>
12561 PR middle-end/25600
12562 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12563 C is one less than the width of X (and related transformations).
12564 * simplify-rtx.c (simplify_unary_operation_1): Transform
12565 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12566 depending on STORE_FLAG_VALUE, were C is one less then the
12569 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12571 Fix PR tree-optimization/26341
12572 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12573 about NAME_MEMORY_TAG's.
12575 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12578 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12579 with hardware float support, and software float support. Add fcpy
12580 alternative to hardware patterns. Add alternatives to copy between
12581 general and floating-point registers to the 32-bit pattern.
12582 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12583 secondary reload to load a QI or HI mode constant into a floating
12585 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12586 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12588 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12591 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12593 (load_macho_picbase_di): Likewise.
12595 2006-02-16 Jeff Law <law@redhat.com>
12597 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12598 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12599 (ssa_name_nonzero_p): Likewise.
12600 (get_value_range): Return NULL if VRP is not running.
12601 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12602 VRP routines do not discover a range.
12603 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12604 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12605 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12606 (tree_expr_nonnegative_p): Similarly.
12607 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12608 (restore_nonzero_vars_to_original_value): Remove.
12609 (unsafe_associative_fp_binop): Remove.
12610 (tree_ssa_dominator_optimize): Remove initialization and
12611 finalization of nonzero_vars and nonzero_vars_stack.
12612 (dom_opt_initialize_block): No longer push marker on
12613 nonzero_vars_stack.
12614 (dom_opt_finalize_block): No longer call
12615 restore_nonzero_vars_to_original_value.
12616 (record_equivalences_from_phis): No longer look for
12617 nonzero PHI arguments.
12618 (cprop_into_successor_phis): No longer propagate nonzero
12619 property into PHI arguments. Lose unused argument. Caller
12621 (record_equivalences_from_stmt): No longer record nonzero
12622 values for SSA_NAMEs.
12623 (lookup_avail_expr): No longer use nonzero_vars.
12625 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12626 for sizetype when sizetype is unsigned.
12628 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12630 PR rtl-optimization/25603
12631 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12632 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12633 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12634 with new meaning of SETS.
12636 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12641 * config/linux.opt: New file.
12642 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12643 LINUX_DYNAMIC_LINKER): Define.
12644 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12645 * config.gcc (*-*-linux*): Define extra_options.
12646 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12647 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12648 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12649 GLIBC_DYNAMIC_LINKER.
12650 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12651 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12652 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12653 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12654 * doc/invoke.texi (GNU/Linux Options): New section.
12656 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12658 * config/sparc/sparc.md (setjmp): Rewrite.
12659 (setjmp_32): Delete.
12660 (setjmp_64): Likewise.
12662 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12664 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12667 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12669 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12672 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12674 PR rtl-optimization/26296
12675 * Makefile.in (loop-invariant.c): Add except.h dependency.
12676 * loop-invariant.c: Include except.h.
12677 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12679 2005-02-16 Paul Brook <paul@codesourcery.com>
12681 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12684 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12686 PR rtl-optimization/25636
12687 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12688 when deciding whether an insn is an initializing insn.
12690 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12692 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12693 (tree_code_size): Ditto.
12694 * tree.h (struct tree_memory_tag): Remove parent_var.
12695 (struct tree_struct_field_tag): New.
12698 (union tree_node): Add sft member.
12699 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12701 (create_sft): Add size and offset argument, set SFT_OFFSET and
12703 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12704 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12705 * tree-flow-inline.h (get_subvar_at): Update for
12706 SFT_OFFSET/SFT_SIZE.
12707 (var_can_have_subvars): Ditto.
12708 (overlap_subvar): Ditto.
12709 * print-tree.c (print_node): Print out interesting things for
12711 * tree-flow.h (struct subvar): Remove offset and size members.
12712 * tree-ssa-operands.c (get_expr_operands): Update for
12713 get_indirect_ref_operands changes.
12714 (get_indirect_ref_operands): Call add_virtual_operand instead of
12715 add_stmt_operand. Only recurse on base var if requested.
12716 (access_can_touch_variable): New function.
12717 (add_stmt_operand): Split virtual operand handling into ...
12718 (add_virtual_operand): Here. Add offset, size, and for_clobber
12719 arguments. Prune alias sets.
12720 (add_call_clobber_ops): Call add_virtual_operand.
12722 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12724 PR middle-end/26300
12725 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12727 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12728 than TREE_CODE as index into omp_clause_num_ops array.
12730 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12732 PR rtl-optimization/26184
12733 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12735 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12736 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12737 must_precede, must_follow and tobe_scheduled.
12740 * opts.c (common_handle_option): Free new_option pointer.
12741 * df-core.c (df_analyze): Free postorder pointer.
12743 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12745 * Makefile.in: Fix the examples about the use of stamps
12747 2006-02-15 Michael Matz <matz@suse.de>
12749 PR middle-end/22275
12751 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12752 influenced by maximum_field_alignment or DECL_PACKED.
12753 (update_alignment_for_field): Ditto.
12754 (place_field): Ditto.
12755 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12758 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12760 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12761 (debug_flow_info): Pass it.
12762 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12763 * bb-reorder.c (reorder_basic_blocks): Likewise.
12764 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12765 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12766 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12767 * gcse.c (gcse_main, bypass_jumps): Likewise.
12768 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12769 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12770 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12771 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12772 * rtl.h (dump_flow_info): Adjust prototype.
12773 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12774 * var-tracking.c (variable_tracking_main): Likewise.
12775 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12776 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12779 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12781 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12784 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12786 PR tree-optimization/26209
12787 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12788 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12790 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12792 2006-02-14 Roger Sayle <roger@eyesopen.com>
12794 PR middle-end/23670
12795 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12796 (X,Y) and the corresponding symmetry related transformations.
12797 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12798 (X,Y) and its symmetry related transformations.
12800 2006-02-14 Roger Sayle <roger@eyesopen.com>
12802 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12805 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12807 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12809 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12812 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12813 support COMDAT group.
12814 * configure: Regenerate.
12816 2006-02-14 Roger Sayle <roger@eyesopen.com>
12818 PR middle-end/26279
12819 PR middle-end/26280
12820 PR middle-end/26283
12821 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12823 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12825 Fix PR tree-optimization/26260
12827 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12829 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12830 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12831 * tree-ssa-structalias.c (create_variable_info_for): Use
12832 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12834 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12836 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12838 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12839 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12840 of the ending condition.
12841 * tree-ssa-loop-manip.c: Include params.h.
12842 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12843 tree_unroll_loop): New functions.
12844 * tree-pass.h (pass_loop_prefetch): Declare.
12845 * loop.c (rest_of_handle_loop_optimize): Test for
12846 -fprefetch-loop-arrays-rtl.
12847 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12848 * timevar.def (TV_TREE_PREFETCH): New timevar.
12849 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12850 pass_loop_prefetch): New.
12851 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12852 (cleanup_tree_cfg_loop): Call scev_reset.
12853 * common.opt (fprefetch-loop-arrays-rtl): Add.
12854 * tree-ssa-loop-prefetch.c: New file.
12855 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12856 (new_temp_expr_table): Initialize expr_vars.
12857 (free_temp_expr_table): Cleanup expr_vars.
12858 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12859 expressions from being merged into one.
12860 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12861 (struct tree_niter_desc): Add control, bound and cmp fields.
12862 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12864 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12865 (tree-cfgcleanup.o): Add SCEV_H dependency.
12866 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12867 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12869 2006-02-14 Richard Guenther <rguenther@suse.de>
12871 PR tree-optimization/26258
12872 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12873 in PHI argument processing.
12875 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12877 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12878 new expression in the requested machine mode.
12880 2006-02-13 Roger Sayle <roger@eyesopen.com>
12882 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12883 directly, instead let do_compare_rtx_and_jump handle this for us.
12884 * expr.c (expand_expr_real_1): Likewise.
12885 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12886 before do_jump_by_parts_greater.
12887 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12888 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12890 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12892 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12894 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12896 PR rtl-optimization/26235
12897 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12898 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12901 2006-02-13 Jeff Law <law@redhat.com>
12903 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12906 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12908 PR middle-end/26092
12909 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12910 twice if decl is a builtin. When trying again, call get_callee_fndecl
12911 first to verify it is still a builtin.
12913 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12915 * dwarf2out.c (base_type_die): Don't add AT_name here.
12916 (subrange_type_die): Don't add AT_name here.
12917 (modified_type_die): Rearrange code flow. Do add AT_name here.
12919 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12921 PR rtl-optimization/26247
12922 PR rtl-optimization/26248
12923 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12925 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12927 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12928 * config/fixtfdi.c: Likewise.
12929 * config/fixunstfdi.c: Likewise.
12930 * config/floatditf.c: Likewise.
12932 2006-02-13 Roger Sayle <roger@eyesopen.com>
12934 PR middle-end/24427
12935 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12936 into (X,C2) if C1 is a subset of the bits of C2. Transform
12937 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12939 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12941 2006-02-13 Josh Conner <jconner@apple.com>
12944 * varasm.c (function_section): Check for section name before
12945 calling select_section on targets that define
12946 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12947 unlikely_text_section instead of hot_function_section if
12948 first_function_block_is_cold.
12950 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12952 PR middle-end/25335
12953 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12955 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12957 PR rtl-optimization/26222
12958 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12959 after tree->rtl expansion.
12960 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12961 before passing it to emit_move_insn.
12963 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12965 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12967 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12968 Clarify documentation.
12969 * c-common.h (warn_write_strings): Remove.
12970 * c-common.c (warn_write_strings): Likewise.
12971 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12974 2006-02-12 Roger Sayle <roger@eyesopen.com>
12976 PR middle-end/25724
12977 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12978 (do_jump_parts_zero_rtx): New function renamed from
12979 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12980 (do_jump_parts_equality_rtx): New function split out from
12981 do_jump_parts_equality. Old implementation renamed as above.
12982 Call do_jump_parts_zero_rtx if either operand is zero.
12983 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12984 do all of the heavy lifting.
12985 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12986 calling either do_jump_by_parts_greater_rtx or
12987 do_jump_by_parts_equality_rtx.
12988 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12989 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12990 moved to do_compare_rtx_and_jump, call it directly.
12991 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12992 mode argument. Call do_compare_rtx_and_jump.
12993 (emit_case_nodes): Update calls to do_jump_if_equal.
12995 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12997 PR rtl-optimization/26225
12998 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13000 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13002 PR rtl-optimization/26232
13003 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13005 2006-02-11 Jason Merrill <jason@redhat.com>
13008 * tree-inline.c (declare_return_variable): Just don't use the
13009 modify target if it's a gimple complex reg and the return slot
13012 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13014 * doc/contrib.texi: Update my entry.
13016 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13018 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13020 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13022 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13025 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13027 * doc/invoke.texi (-floop-optimize2): Removed.
13028 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13029 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13030 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13031 * common.opt (floop-optimize2): Removed.
13032 (fmove-loop-invariants): Enabled by default.
13034 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13036 * tree-if-conv.c (combine_blocks): Free the result of
13037 get_loop_exit_edges.
13039 2006-02-10 Jeff Law <law@redhat.com>
13041 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13043 PR tree-optimization/26213
13044 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13045 loop trying to follow SSA_NAME_VALUE chains.
13047 2006-02-10 Richard Guenther <rguenther@suse.de>
13049 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13050 deal with structures that end in implicitly variable sized arrays.
13052 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13054 PR rtl-optimization/24762
13055 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13058 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13060 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13061 (struct ivopts_data): Add regs_used field.
13062 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13063 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13064 instead of loop_data->regs_used;
13065 (free_loop_data): Do not free aux fields for loops.
13066 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13067 and tree_ssa_iv_optimize_finalize.
13069 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13071 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13073 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13076 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13077 computing the effective result type.
13079 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13081 PR inline-asm/16194
13082 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13083 (tree_overlaps_hard_reg_set): Declare.
13084 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13085 type and signature to match function type expected by walk_tree.
13086 (tree_overlaps_hard_reg_set): New function.
13087 (decl_conflicts_with_clobbers_p): Rename to:
13088 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13089 Use tree_overlaps_hard_reg_set. Changed caller.
13090 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13091 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13092 * cris.c (cris_md_asm_clobbers): Likewise.
13094 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13096 * reload1.c (emit_input_reload_insns): Delete code that tries to
13097 inherit using find_equiv_reg.
13099 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13101 * c-common.h (flag_const_strings): Don't declare.
13102 * c-common.c (flag_const_strings): Remove.
13103 * c.opt (fconst_strings): Remove.
13104 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13105 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13106 (c_common_init_options): Don't set flag_const_strings.
13107 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13109 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13111 * arm.md (tlobits_cbranch): New pattern.
13112 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13113 testing a single bit.
13115 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13118 * tree-ssa-pre.c (create_component_ref_by_pieces):
13119 Handle RETURN_DECL like VAR_DECL.
13121 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13123 PR middle-end/26134
13124 * fold-const.c (fold_indirect_ref_1): Fold
13125 "*(foo *)&complexfoo" to "__real__ complexfoo"
13126 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13128 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13130 * tree-flow-inline.h (var_can_have_subvars):
13131 Volatile variables should not have subvariables.
13133 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13136 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13137 multiplying unsigned values.
13140 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13142 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13144 2006-02-08 Jason Merrill <jason@redhat.com>
13147 * tree.def: Elaborate on difference from MODIFY_EXPR.
13148 * doc/c-tree.texi (INIT_EXPR): Likewise.
13149 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13150 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13151 (gimplify_target_expr): Likewise.
13152 (gimplify_cond_expr): Remove target handling.
13153 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13154 (gimplify_expr): Clobber it here.
13155 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13156 Do return slot optimization if we have an INIT_EXPR.
13159 * tree-inline.c (declare_return_variable): Also clear
13160 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13163 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13165 PR middle-end/22439
13166 * gimplify.c (gimplify_one_sizepos): Fix typo.
13168 2006-02-08 Jeff Law <law@redhat.com>
13170 PR tree-optimization/21417
13171 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13172 across a backedge if the control statement at the end of the
13173 block is data dependent on other statements in the same block.
13174 (record_temporary_equivalences_from_stmts): Remove over-conservative
13175 test for threading across backedges.
13177 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13178 control statement, handle all three special cases in the same
13179 manner as they all have the same desired solution. No longer
13180 special case edge flag updating when the post dominator is
13183 2006-02-08 Roger Sayle <roger@eyesopen.com>
13185 * tree.def (CHAR_TYPE): Remove.
13186 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13187 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13188 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13189 (gen_string_type_die): Delete unreachable function.
13191 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13192 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13193 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13194 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13195 * builtins.c (type_to_class): Likewise.
13196 * fold-const.c (fold_convert, build_range_check,
13197 merge_ranges): Likewise.
13198 * expr.c (count_type_elements): Likewise.
13199 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13200 * stor-layout.c (layout_type): Likewise.
13201 * ipa-type-escape.c (type_to_consider): Likewise.
13202 * gimplify.c (omp_firstprivatize_type_sizes,
13203 gimplify_type_sizes): Likewise.
13204 * explow.c (promote_mode): Likewise.
13205 * tree-sra.c (is_sra_scalar_type): Likewise.
13206 * varasm.c (output_constant): Likewise.
13207 * tree-inline.c (remap_type_1): Likewise.
13208 * convert.c (convert_to_pointer, convert_to_real,
13209 convert_to_integer, convert_to_complex): Likewise.
13211 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13213 * df-scan.c (df_def_record_1): A set destination may
13214 be a parallel regardless of mode.
13216 2006-02-08 Roger Sayle <roger@eyesopen.com>
13219 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13220 * config/mips/_tilib.c: Remove.
13221 * config/fixtfdi.c: New libgcc source file.
13222 * config/fixunstfdi.c: New source file.
13223 * config/floatditf.c: New source file.
13224 * config/floatunditf.c: New souce file.
13225 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13226 files above instead of config/mips/_tilib.c.
13227 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13229 2006-02-08 Jeff Law <law@redhat.com>
13231 PR tree-optimization/26169
13232 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13235 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13237 * df.h (DF_REG_SIZE): Return the length of the initialized
13240 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13242 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13243 __muldf3): Return a correctly signed zero.
13245 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13247 * passes.c (register_one_dump_file): Accept the current properties
13248 instead of pass number. Adjust call to dump_register. Remove
13250 (register_dump_files): Now a wrapper around...
13251 (register_dump_files_1): ... this one. Do not modify the pass
13253 (next_pass_1): Cosmetic fix.
13254 (execute_todo): Keep second parameter only. Use curr_properties
13255 instead of fetching it from the pass structure. Check and set
13257 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13258 instead of fetching it from the pass structure. Fix calls to
13259 execute_todo. Update curr_properties and initialize .vcg RTL dump
13260 after running the pass. Reset last_verified.
13261 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13263 (FIRST_AUTO_NUMBERED_DUMP): New.
13264 (dump_register): Remove "num" parameter, assign it within the
13266 (get_dump_file_name): Modify template for dumps.
13267 * tree-dump.h (dump_register): Adjust prototype.
13268 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13269 (PROP_trees): Add PROP_gimple_lomp.
13270 (TODO_set_props): New.
13271 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13272 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13273 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13275 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13277 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13278 (sparc64-*-linux*): Likewise.
13279 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13280 * config/sparc/t-linux: New file.
13281 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13282 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13283 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13284 -m32 -mlong-double-128.
13286 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13287 * config/alpha/t-linux: New file.
13288 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13290 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13291 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13292 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13293 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13294 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13295 (CPP_ARCH32_SPEC): Remove.
13297 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13299 PR tree-optimization/26145
13300 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13303 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13306 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13307 >= 240000 when generating code for SOM runtime.
13308 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13309 to $$dyncall when generating code for SOM runtime..
13311 2006-02-07 Dirk Mueller <dmueller@suse.com>
13314 * doc/invoke.texi (-Wsequence-point): Update documentation
13315 that -Wsequence-point is implemented for C++ as well.
13317 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13319 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13320 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13321 (LIB_SPEC): Likewise.
13322 * doc/invoke.texi (SPARC options): Document -pthread.
13324 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13326 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13329 2006-02-07 Roger Sayle <roger@eyesopen.com>
13331 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13332 Correct comment describing BOOLEAN_TYPE.
13334 2006-02-07 Dirk Mueller <dmueller@suse.com>
13336 * c.opt: C++ frontend supports -Wdiv-by-zero.
13337 * c-opts.c (c_common_handle_option): Remove dead case.
13339 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13341 * configure.ac (TLS assembler check): Do not enable TLS by
13342 default on SPARC/Solaris before version 10.
13343 * configure: Regenerate.
13345 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13347 * doc/invoke.texi (xl-compat): Document conversion and support
13350 2006-02-07 Jeff Law <law@redhat.com>
13352 * tree-vrp.c (find_conditional_asserts): Update comments.
13353 (simplify_stmt_for_jump_threading): New.
13354 (identify_jump_threads, finalize_jump_threads): New.
13355 (vrp_finalize): Call identify_jump_threads.
13356 (execute_vrp): Call finalize_jump_threads.
13357 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13358 (vrp_element, vrp_data, vrp_element_p): Remove.
13359 (vrp_hash_elt, vrp_variables_stack): Remove.
13360 (vrp_hash, vrp_eq, record_range): Remove.
13361 (simplify_cond_and_lookup_avail_expr): Remove.
13362 (extract_range_from_cond): Remove.
13363 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13364 (simplify_stmt_for_jump_threading): New.
13365 (dom_thread_across_edge): New wrapper.
13366 (tree_ssa_dominator_optimize): No longer initialize or
13367 finalize any of the VRP datastructures. Remove iteration
13368 step and simplify as a result of removal of iteration step.
13369 (pass_dominator): Perform a cfg cleanup after DOM.
13370 (dom_opt_finalize_block): Use the new common routines
13371 for threading jumps. Simplify stack management slightly.
13372 No longer need to unwind VRP state.
13373 (record_equivalences_from_incoming_edge): No longer record
13375 (eliminate_redundant_computations): No longer call
13376 simplify_cond_and_lookup_avail_expr.
13377 * tree-flow.h (potentially_threadable_block): Prototype.
13378 (thread_across_edge): Likewise.
13379 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13380 (tree-ssa-threadedge.o): Add dependencies.
13381 * tree-ssa-threadedge.c: New file.
13382 * passes.c (init_optimization_passes): Merge PHIs before
13383 calling VRP. Run VRP again late in the SSA optimization pipeline.
13385 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13387 * df-core.c (df_set_blocks): Do not dereference function pointers.
13388 (df_finish1): Likewise.
13389 (df_hybrid_search_forward): Likewise.
13390 (df_hybrid_search_backward): Likewise.
13391 (df_iterative_dataflow): Likewise.
13392 (df_analyze_problem): Likewise.
13393 (df_compact_blocks): Likewise.
13394 (df_dump): Likewise.
13395 * df-scan.c (df_rescan_blocks): Likewise.
13396 (df_record_entry_block_defs): Likewise.
13398 * genconditions.c (write_conditions): Guard the definition of
13399 'insn_conditions' with the check on GCC version.
13400 (write_writer): Guard the traversal 'insn_conditions' with
13401 the check on GCC version.
13403 2006-02-07 Richard Guenther <rguenther@suse.de>
13407 2006-01-30 Richard Guenther <rguenther@suse.de>
13409 * gimplify.c (gimplify_target_expr): Handle easy cases
13410 without creating a temporary.
13412 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13414 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13415 use of float in probability computations. Use edge probabilities
13416 in place of statically computed probabilities.
13417 (min_spec_prob): New static variable.
13418 (schedule_insns): Initialize it.
13419 (GET_SRC_PROB): Removed.
13420 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13422 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13425 * config/ia64/unwind-ia64.c: Revert last change.
13426 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13427 (INCOMING_FRAME_SP_OFFSET): Define.
13429 2006-02-06 Roger Sayle <roger@eyesopen.com>
13431 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13433 2006-02-07 Ben Elliston <bje@au.ibm.com>
13435 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13436 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13437 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13438 (ix86_return_in_memory): Handle TDmode.
13439 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13440 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13442 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13444 * reorg.c (dbr_schedule): Use dump_file instead of file.
13446 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13449 * config/ia64/predicates.md (extr_len_operand): New predicate.
13450 * config/ia64/ia64.md (extv): Tighten constraints.
13452 (*tbit_and_2): Ditto.
13453 (*tbit_and_3): Ditto.
13454 (*tbit_or_2): Ditto.
13455 (*tbit_or_3): Ditto.
13456 (*bit_zero): Ditto.
13459 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13462 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13464 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13466 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13467 loop_optimizer_init and loop_optimizer_finalize
13468 * tree-ssa-sink.c (execute_sink_code): Ditto.
13469 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13470 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13471 tree_ssa_loop_done): Ditto.
13472 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13473 * sched-ebb.c: Include output.h.
13474 (schedule_ebbs): Do not use dump argument.
13475 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13476 * loop.c (loop_dump_stream): Removed.
13477 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13479 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13480 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13481 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13482 loop_iterations, strength_reduce, record_biv, record_giv,
13483 final_giv_value, check_final_value, check_ext_dependent_givs,
13484 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13485 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13486 dump_file instead of loop_dump_stream.
13487 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13488 argument dump_file.
13489 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13491 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13492 * haifa-sched.c: Include output.h
13493 (schedule_insns, sched_init): Do not use dump argument.
13494 * mode-switching.c (optimize_mode_switching): Ditto.
13495 * modulo-sched.c (stats_file): Removed.
13496 (print_node_sched_params): Do not call argument dump_file.
13497 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13498 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13500 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13502 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13503 rtl_loop_init, rtl_loop_done): Ditto.
13504 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13505 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13507 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13508 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13509 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13510 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13511 * emit-rtl.c (renumber_insns): Ditto.
13512 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13513 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13514 * regclass.c (regclass): Ditto.
13515 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13516 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13517 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13518 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13520 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13521 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13523 * gcse.c (gcse_file, debug_stderr): Removed.
13524 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13525 rest_of_handle_gcse): Do not use dump argument.
13526 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13527 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13528 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13529 compute_code_hoist_vbeinout, compute_code_hoist_data,
13530 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13531 compute_store_table, build_store_vectors, insert_insn_start_bb,
13532 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13533 store_motion): Use dump_file instead of gcse_file.
13534 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13535 * profile.c (profile_dump_file): Removed.
13536 (branch_prob): Use dump_file instead of profile_dump_file.
13537 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13539 * tree-ssa-copy.c (dump_copy_of): Ditto.
13540 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13541 dump file to life_analysis.
13542 * bt-load.c (branch_target_load_optimize): Ditto.
13543 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13545 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13546 regclass, dbr_schedule): Declaration changed.
13547 * sched-int.h (sched_init): Declaration changed.
13548 * tree-profile.c (tree_profile_dump_file): Removed.
13549 (tree_profile_hooks): Removed profile_dump_file hook.
13550 * rtl-profile (rtl_profile_dump_file): Removed.
13551 (rtl_profile_hooks): emoved profile_dump_file hook.
13552 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13554 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13555 * tree-cfg.c (build_tree_cfg): Ditto.
13556 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13557 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13558 Declaration changed.
13559 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13560 life_analysis and schedule_insns.
13561 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13563 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13565 * config/mips/mips.c (mips_reorg): Ditto.
13566 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13569 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13571 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13572 (s390_mangle_fundamental_type): New.
13573 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13576 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13577 (alpha_mangle_fundamental_type): New.
13578 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13581 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13583 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13585 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13586 (sparc_mangle_fundamental_type): New.
13588 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13590 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13591 (s390x-*-linux*): Likewise.
13592 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13593 * config/s390/t-linux: New file.
13595 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13597 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13598 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13600 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13602 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13603 (ANTIC_SAFE_LOADS): New macro.
13604 (find_or_generate_expression): Add prototype.
13605 (set_contains_value): Allow null set for sake of not always having
13606 to allocate ANTIC_SAFE_LOADS.
13607 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13608 Allow COMPONENT_REF too.
13609 (valid_in_set): Allow COMPONENT_REF.
13610 Check ANTIC_SAFE_LOADS too.
13611 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13612 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13614 (can_PRE_operation): Add COMPONENT_REF.
13615 (create_component_ref_by_pieces): New function.
13616 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13617 (insert_aux): Move AGGREGATE_TYPE_P check here.
13618 (compute_avail): Set bb local stmt uids.
13619 (pass_pre): Use TODO_update_ssa_only_virtuals.
13621 2006-02-06 Ben Elliston <bje@au.ibm.com>
13623 * configure.ac: Unconditionally disable decimal float by default.
13624 * configure: Regenerate.
13626 2006-02-06 Ben Elliston <bje@au.ibm.com>
13628 * read-rtl.c (read_name): Terminate reading on EOF.
13630 2006-02-06 Ben Elliston <bje@au.ibm.com>
13632 * dfp.c (decimal_real_arithmetic): Change second argument type
13633 from int to enum tree_code. Do not always return true, but now
13634 return result of any call to decimal_do helper functions.
13635 * dfp.h (decimal_real_arithmetic): Update prototype.
13637 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13639 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13641 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13644 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13647 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13649 * tree-vrp.c (cfg_loops): Removed.
13650 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13651 Use current_loops instead of cfg_loops. Pass flags to
13652 loop_optimizer_init.
13653 * cfgloopmanip.c (fix_loop_structure): Update only available
13655 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13656 loop_optimizer_init.
13657 * modulo-sched.c (build_loops_structure): Removed.
13658 (sms_schedule): Use loop_optimizer_init.
13659 * loop-init.c (loop_optimizer_init): Use flags to determine
13660 which properties of loops to prepare.
13661 (rtl_loop_init): Pass flags to loop_optimizer_init.
13662 * tree-ssa-sink.c (execute_sink_code): Ditto.
13663 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13664 * tree-ssa-pre.c (init_pre): Ditto.
13665 * cfgloop.h (LOOPS_NORMAL): New.
13666 (loop_optimizer_init): Declaration changed.
13668 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13670 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13671 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13673 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13675 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13677 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13678 * pa/t-pa64: Delete quadlib.c rule.
13679 * pa/x-ada: Revert last change.
13680 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13682 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13684 PR rtl-optimization/26087
13685 * rtlanal.c (canonicalize_condition): Do not cross basic block
13688 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13691 * config/ia64/ia64.c: Include debug.h.
13692 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13693 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13694 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13695 (process_epilogue, process_set, process_for_unwind_directive):
13696 Output unwind info only if requested. Add CFA info if requested.
13697 Add new arguments as needed. Adjust callers.
13698 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13700 (DWARF2_FRAME_INFO): Define to zero.
13701 * config/ia64/unwind-ia64.c: Remove code that compensated for
13702 the CFA offset error fixed above.
13703 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13704 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13705 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13706 -funwind-tables and -fexceptions to enable frame info.
13707 (dwarf2out_frame_init): Define initial CFA even if
13708 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13709 DWARF2_UNWIND_INFO is nonzero, not just defined.
13710 (dwarf2out_frame_finish): Output non-EH call frame info only
13711 if DWARF2_FRAME_INFO is nonzero.
13712 (convert_cfa_to_loc_list,
13713 compute_frame_pointer_to_cfa_displacement): Define even if
13714 unwind info is not supported.
13715 (gen_subprogram_die): Use the above unconditionally. Remove
13716 legacy alternate code.
13717 * toplev.c (compile_file): Compile in call to
13718 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13719 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13721 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13722 Jakub Jelinek <jakub@redhat.com>
13724 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13725 IBM extended float format long double as "g" on powerpc*-linux.
13727 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13730 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13731 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13733 2006-02-03 Jason Merrill <jason@redhat.com>
13736 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13738 PR middle-end/25977
13739 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13740 on the return slot if it's an NRV.
13742 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13744 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13745 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13746 rewrite_use): Do not handle USE_OUTER.
13747 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13748 add_iv_outer_candidates, may_replace_final_value,
13749 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13750 (find_interesting_uses_op): Functionality of
13751 find_interesting_uses_outer_or_nonlin moved here.
13752 (find_interesting_uses_outside): Use find_interesting_uses_op.
13754 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13757 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13759 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13760 Ulrich Weigand <uweigand@de.ibm.com>
13763 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13764 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13765 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13766 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13768 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13769 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13770 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13771 Define secondary reloads for TFmode moves.
13772 (constant_modes): Add TFmode.
13773 (NR_C_MODES): Set to 8.
13774 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13776 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13777 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13778 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13779 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13780 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13781 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13782 (FPR mode macro): Add TFmode.
13783 (DSF mode macro): New.
13784 (<de>, <dee> mode attributes): Removed.
13785 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13786 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13787 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13788 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13789 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13790 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13791 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13792 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13793 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13794 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13795 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13796 "*negabs<mode>2", "sqrt<mode>2"):
13797 Changed <de> to <xde>. R constraint replaced by <Rf>.
13798 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13800 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13801 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13802 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13804 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13805 "extenddftf2", "extendsftf2"): New expanders.
13806 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13807 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13808 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13809 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13811 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13812 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13813 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13814 __floatditf): Add a GCC_4.1.0 symbol version tag.
13815 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13818 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13821 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13822 Use targetm.binds_local_p instead of TREE_PUBLIC.
13824 2006-02-02 Roger Sayle <roger@eyesopen.com>
13826 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13827 on INTEGER_TYPEs to indicate that it denotes a character type.
13828 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13829 signed_char_type_node, unsigned_char_type_node and char_type_node.
13830 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13831 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13832 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13834 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13835 Daniel Berlin <dberlin@dberlin.org>
13837 * tree-tailcall.c (arg_needs_copy_p): New function.
13838 (eliminate_tail_call): Use arg_needs_copy_p.
13839 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13840 (add_virtual_phis): New function.
13842 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13844 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13845 #ignore instead of #scratch for %g7 .register directive.
13847 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13849 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13852 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13854 * flow.c (calculate_global_regs_live): Assert that there aren't any
13857 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13859 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13860 what its name says.
13861 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13862 bsi_after_labels iterator.
13863 * tree-if-conv.c (find_phi_replacement_condition,
13864 replace_phi_with_cond_modify_expr): Likewise.
13865 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13866 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13868 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13870 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13872 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13875 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13876 array after growing it.
13878 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13880 PR middle-end/24901
13881 * fold-const.c (fold_checksum_tree): Change type of buf.
13883 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13885 * reload.c (push_secondary_reload): Initialize t_icode.
13887 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13889 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13890 -msoft-float -mlong-double-128 only issue a warning, but don't
13891 swich to DFmode long double.
13893 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13895 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13896 has a constant equivalent, iterate over equivalents for arg0,
13897 calling simplify_relational_operation and if there's a result
13898 cheaper than X, apply fold_rtx and return the result.
13900 2006-02-01 Jan Hubicka <jh@suse.cz>
13902 * opts.c (no_unit_at_a_time_default): New global variable.
13903 (decode_options): Use it.
13904 * opts.h (no_unit_at_a_time_default): Declare.
13906 2006-02-01 Paul Brook <paul@codesourcery.com>
13908 * function.c (assign_parm_setup_reg): Use function argument promotion
13910 * expr.c (expand_expr_real_1): Use function argument promotion rules
13913 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13915 * gcc.c (process_command): Change j to 'unsigned int'.
13917 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13919 PR middle-end/26001
13920 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13921 Use the corrected index for the character
13922 out of the string constant.
13924 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13926 * mode-switching.c (optimize_mode_switching): Fix size
13927 allocated for bb_info[n_entities].
13929 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13931 * gcc.c (main): Correct type that is allocated for
13932 explicit_link_files.
13934 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13936 * config/s390/s390.c (init_alignment_context): Set
13937 ALIAS_SET_MEMORY_BARRIER on the MEM.
13938 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13940 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13942 PR middle-end/25933
13943 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13945 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13948 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13950 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13951 * regrename.c: Ditto.
13952 * tree-ssa-loop-im.c: Ditto.
13953 * tree-dump.c: Ditto.
13954 * tree-complex.c: Ditto.
13955 * genrecog.c: Ditto.
13956 * tree-ssa-threadupdate.c: Ditto.
13958 * java/class.c: Ditto.
13959 * java/jcf-parse.c: Ditto.
13960 * java/resource.c: Ditto.
13961 * java/except.c: Ditto.
13962 * java/jvspec.c: Ditto.
13963 * java/jcf-write.c: Ditto.
13964 * java/jcf-path.c: Ditto.
13965 * java/gjavah.c: Ditto.
13966 * java/zextract.c: Ditto.
13967 * java/jcf-io.c: Ditto.
13968 * java/jcf.h: Ditto.
13969 * java/buffer.c: Ditto.
13970 * java/lang.c: Ditto.
13971 * java/parse-scan.y: Ditto.
13972 * java/lex.c: Ditto.
13973 * java/lex.h: Ditto.
13974 * cfgloopmanip.c: Ditto.
13975 * postreload-gcse.c: Ditto.
13976 * tree-ssa-loop-manip.c: Ditto.
13977 * postreload.c: Ditto.
13978 * tree-ssa-loop-ch.c: Ditto.
13981 * cppspec.c: Ditto.
13982 * diagnostic.c: Ditto.
13984 * genoutput.c: Ditto.
13986 * cfghooks.c: Ditto.
13987 * cfgloopanal.c: Ditto.
13988 * objc/objc-act.c: Ditto.
13990 * genextract.c: Ditto.
13991 * genautomata.c: Ditto.
13992 * pretty-print.c: Ditto.
13993 * genemit.c: Ditto.
13994 * cgraphunit.c: Ditto.
13996 * df-scan.c: Ditto.
13997 * haifa-sched.c: Ditto.
13998 * dominance.c: Ditto.
14000 * tree-ssa-loop-ivopts.c: Ditto.
14001 * df-core.c: Ditto.
14002 * mode-switching.c: Ditto.
14003 * modulo-sched.c: Ditto.
14005 * ipa-pure-const.c: Ditto.
14007 * fix-header.c: Ditto.
14009 * tree-stdarg.c: Ditto.
14010 * ipa-utils.c: Ditto.
14011 * loop-init.c: Ditto.
14012 * ipa-inline.c: Ditto.
14013 * cfganal.c: Ditto.
14015 * alloc-pool.c: Ditto.
14016 * dwarf2out.c: Ditto.
14018 * genattrtab.c: Ditto.
14019 * tree-ssa-loop-ivcanon.c: Ditto.
14020 * predict.c: Ditto.
14021 * timevar.c: Ditto.
14023 * fortran/gfortranspec.c: Ditto.
14024 * regmove.c: Ditto.
14025 * local-alloc.c: Ditto.
14026 * langhooks.c: Ditto.
14027 * function.c: Ditto.
14028 * tree-vectorizer.c: Ditto.
14030 * ipa-type-escape.c: Ditto.
14032 * tree-if-conv.c: Ditto.
14033 * profile.c: Ditto.
14035 * tree-data-ref.c: Ditto.
14036 * loop-unroll.c: Ditto.
14037 * treelang/treetree.c: Ditto.
14039 * bt-load.c: Ditto.
14040 * ggc-common.c: Ditto.
14042 * coverage.c: Ditto.
14044 * tree-cfgcleanup.c: Ditto.
14045 * tree-ssa-pre.c: Ditto.
14046 * cfgcleanup.c: Ditto.
14047 * loop-invariant.c: Ditto.
14048 * loop-iv.c: Ditto.
14049 * ipa-prop.c: Ditto.
14050 * print-tree.c: Ditto.
14051 * conflict.c: Ditto.
14052 * ggc-page.c: Ditto.
14053 * sched-deps.c: Ditto.
14054 * regclass.c: Ditto.
14055 * tree-object-size.c: Ditto.
14056 * combine.c: Ditto.
14057 * bb-reorder.c: Ditto.
14058 * resource.c: Ditto.
14059 * var-tracking.c: Ditto.
14060 * cfgloop.c: Ditto.
14061 * df-problems.c: Ditto.
14062 * reg-stack.c: Ditto.
14064 * gccspec.c: Ditto.
14065 * sched-rgn.c: Ditto.
14066 * tree-ssa-structalias.c: Ditto.
14067 * tree-ssa-reassoc.c: Ditto.
14068 * config/darwin-c.c: Ditto.
14069 * config/darwin.c: Ditto.
14070 * config/arm/arm.c: Ditto.
14072 * collect2.c: Ditto.
14073 * reload1.c: Ditto.
14075 2006-01-31 Nicolas Pitre <nico@cam.org>
14077 * arm.md (smaxsi3): Make aware of smax_m1.
14080 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14082 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14084 2006-01-31 Richard Guenther <rguenther@suse.de>
14086 * doc/invoke.texi (-msselibm): Document.
14087 * target.h (expand_library_builtin): New target hook.
14088 * builtins.c (expand_builtin): Use expand_library_builtin.
14089 (default_expand_library_builtin): New function.
14090 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14091 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14092 (link_gcc_math_spec): Declare.
14093 (static_specs): Add link_gcc_math_spec.
14094 * expr.h (default_expand_library_builtin): Declare.
14095 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14096 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14097 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14098 * config/i386/i386.opt (msselibm): New target option.
14099 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14100 (ix86_init_sse_abi_builtins): New function.
14101 (ix86_expand_library_builtin): Likewise.
14102 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14103 (override_options): Handle error conditions wrt -msselibm.
14104 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14105 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14106 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14109 2006-01-31 Richard Guenther <rguenther@suse.de>
14110 Paolo Bonzini <bonzini@gnu.org>
14112 * doc/install.texi (--disable-libgcc-math): Document.
14114 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14116 * expr.h (expand_normal): new inline function.
14117 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14118 * dojump.c: use it.
14119 * dwarf2out.c: use it.
14122 * expmed.c: use it.
14123 * except.c: use it.
14124 * config/sparc/sparc.c: use it.
14125 * config/i386/i386.c: use it.
14126 * config/rs6000/rs6000.c: use it.
14127 * config/arm/arm.c: use it.
14128 * config/mips/mips.c: use it.
14129 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14131 2006-01-30 Roger Sayle <roger@eyesopen.com>
14133 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14134 argv to the appropriate type.
14136 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14138 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14141 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14144 * config/s390/s390.c (struct machine_function): New flag
14145 decomposed_literal_pool_addresses_ok_p.
14146 (s390_reorg): Set it before final stage of literal pool transforms.
14147 (s390_decompose_address): Only accept displacements of the form
14148 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14150 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14152 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14153 the comparison routine return.
14155 2006-01-30 Michael Matz <matz@suse.de>
14157 * global.c (find_reg): Only evict for global regs.
14158 Take n_refs into account and dump more info.
14160 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14163 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14164 (pragma_trap, pragma_nosave_low_regs): Likewise.
14165 (current_function_anonymous_args): Likewise.
14166 (sh_deferred_function_attributes): New variable.
14167 (sh_deferred_function_attributes_tail): Likewise.
14168 (print_operand): For '@', look up trap_exit attribute.
14169 (calc_live_regs): Look up trapa_handler attribute. For trapa
14170 handlers, save/restore fpscr, but don't do any other
14171 interrupt-specific saves.
14172 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14173 Fix check for partially saved registers to check for SHmedia.
14174 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14175 (sh_output_function_epilogue): Don't clear any of the removed
14177 (sh_insert_attributes): Don't check pragma_interrupt.
14178 Insert deferred attributes. Check that interrupt attribute is
14179 present for other attributes that require its presence.
14180 (sh_attribute_table): Add new attributes trapa_handler and
14182 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14183 Don't check for pragma_interrupt. Don't store argument.
14184 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14185 (sh_deferred_function_attributes): Declare.
14186 (sh_deferred_function_attributes_tail): Likewise.
14187 * sh.md (sp_switch_1): Add operand. Change generator caller.
14188 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14189 (*return_i): Don't use when trap_exit attribute is in effect.
14190 (*return_trapa): New insn pattern.
14191 * sh-c.c: New file.
14192 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14193 setting c_target_objs and cxx_target_objs.
14194 * t-sh: Add rule for sh-c.o.
14196 2006-01-30 Richard Guenther <rguenther@suse.de>
14199 * gimplify.c (gimplify_target_expr): Handle easy cases
14200 without creating a temporary.
14202 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14204 * vec.h (safe_grow): Remove duplicated line.
14206 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14209 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14210 (expand_omp): ... here.
14211 (expand_omp_parallel): Only remove barriers for combined
14212 parallel+workshare constructs.
14214 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14218 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14219 * tree.c (build_qualified_type): Chain the new type to the original
14220 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14221 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14222 (build_pointer_type_for_mode): Only return unqualified types.
14223 (build_reference_type_for_mode): Likewise.
14225 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14227 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14228 * Makefile.in (CXX_COMPAT_WARN): Define.
14229 * configure: Regenerate.
14231 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14234 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14237 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14239 * toplev.c: Fix thinko.
14241 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14242 Marcin Dalecki <martin@dalecki.de>
14244 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14245 (push_srcloc): Use XNEW.
14246 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14248 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14250 * df-core.c (df_set_blocks): Deleted all variable.
14252 2006-01-28 Ian Lance Taylor <ian@airs.com>
14254 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14255 cgraph_output_pending_asms.
14257 2006-01-28 Zack Weinberg <zackw@panix.com>
14259 * c.opt: Add -W(no-)overlength-strings.
14260 * doc/invoke.texi: Document it.
14261 * c-opts.c (c_common_handle_option): -pedantic implies
14262 -Woverlength-strings, if not explicitly disabled already.
14263 (c_common_post_options): -Woverlength-strings defaults to off, and
14264 is always off for C++.
14265 * c-common.c (fix_string_type): Issue warning about strings longer
14266 than is portable only if warn_overlength_strings. Rearrange code
14267 a little for clarity.
14268 * configure.in: Check for -Wno-overlength-strings as well before
14269 enabling -pedantic in stage 1.
14270 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14271 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14273 * genconditions.c (write_header, write_one_condition)
14274 (write_conditions, write_writer): Consolidate very long strings
14275 that were broken up to fit in C89 portable limit. Don't use
14276 printf when fputs will do.
14278 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14280 * combine.c (simplify_comparison <AND>): Check
14281 TRULY_NOOP_TRUNCATION before start using a subreg.
14283 * config/mips/mips.md (*branch_zero<mode>,
14284 *branch_zero<mode>_inverted, *branch_equality<mode>,
14285 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14286 Remove mode check from comparisons.
14288 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14290 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14292 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14294 * expmed.c (const_mult_add_overflow_p): Remove.
14295 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14297 * recog.c (validate_replace_rtx_subexp): Remove.
14298 * recog.h: Remove the prototype for
14299 validate_replace_rtx_subexp.
14301 * integrate.h: Remove the prototype for
14302 copy_decl_for_inlining.
14303 * rtl.h: Remove the prototype for mark_constant_function.
14304 * tree-vectorizer.h: Remove the prototype for
14305 vect_strip_conversion.
14307 * modulo-sched.c (create_partial_schedule,
14308 free_partial_schedule, reset_partial_schedule): Make them
14311 * hooks.c (hook_bool_rtx_int_false): Remove.
14312 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14314 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14316 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14317 and -mlong-double-128 are incompatible.
14318 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14319 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14320 (TARGET_LIBGCC2_CFLAGS): Define.
14321 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14322 (TARGET_LIBGCC2_CFLAGS): Same.
14323 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14325 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14328 * c-typeck.c (build_binary_op): Perform implicit casts of
14329 operands before shortening them.
14331 * cfgloopmanip.c (split_loop_bb): Remove.
14332 * cfgloop.h: Remove the prototype for split_loop_bb.
14334 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14335 * cfgloop.h: Remove the prototype for
14336 flow_loop_outside_edge_p.
14338 * emit-rtl.c (init_virtual_regs): Make it static.
14339 * function.h: Remove the prototype for init_virtual_regs.
14341 * recog.c (peephole2_optimize): Make it static.
14342 * recog.h: Remove the prototype for peephole2_optimize.
14344 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14346 * df-scan.c (df_record_entry_block_defs): Check if
14347 INCOMING_RETURN_ADDR_RTX is defined.
14349 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14350 Kenneth Zadeck <zadeck@naturalbridge.com>
14352 PR rtl-optimization/24762
14353 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14354 * targhooks.c (hook_void_bitmap): New hook prototype.
14355 * targhoohs.h (hook_void_bitmap): Ditto.
14356 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14357 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14358 * target.h (live_on_entry): New function pointer.
14359 * df-scan.c (df_all_hard_regs): Removed.
14360 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14361 (df_scan_free_internal): Added df->entry_block_defs.
14362 (df_scan_alloc): Ditto.
14363 (df_scan_dump): Ditto.
14364 (df_uses_record): Plumbed flag field properly thru calls.
14365 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14366 This part fixes PR24762.
14367 (df_bb_refs_record): Added code to make the frame and arg
14368 pointers live in EH blocks.
14369 (df_refs_record): Added call to df_record_entry_block_defs.
14370 (df_record_entry_block_defs): New function.
14371 * df-core.c: Added comments to describe new artifical defs.
14372 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14373 (entry_block_defs): New field in struct df.
14374 (df_all_hard_regs): Deleted.
14375 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14376 * df-problems.c (df_ru_bb_local_compute_process_def):
14377 Added code to handle artifical defs in the entry to a function.
14378 (df_ru_bb_local_compute): Ditto.
14379 (df_rd_bb_local_compute_process_def): Ditto.
14380 (df_rd_bb_local_compute): Ditto.
14381 (df_lr_bb_local_compute): Ditto.
14382 (df_ur_bb_local_compute): Ditto.
14383 (df_urec_bb_local_compute): Ditto.
14384 (df_chain_create_bb): Ditto.
14385 (df_ur_local_finalize): Removed entry.
14386 (df_urec_init): Ditto.
14387 (df_urec_local_finalize): Ditto.
14388 (df_ri_bb_compute): Added detection of last use of pseudos.
14389 * Makefile.in (df-scan.o): Updated dependencies.
14390 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14391 * config/mips/mips.c (mips_set_live_on_entry): Added.
14392 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14394 * dce.c (marked_insn_p): Added code to handle artifical defs.
14396 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14398 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14400 (_mm_cvtsi128_si64): Likewise.
14401 (_mm_cvtsd_si64): Likewise.
14402 (_mm_cvttsd_si64): Likewise.
14403 (_mm_cvtsi64_sd): Likewise.
14404 (_mm_cvtsi64_si128): Likewise.
14405 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14406 (_mm_cvtsi64_m64): Likewise.
14407 (_m_to_int64): Likewise.
14408 (_mm_cvtm64_si64): Likewise.
14409 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14410 (_mm_cvttss_si64): Likewise.
14411 (_mm_cvtsi64_ss): Likewise.
14412 (_mm_cvtss_f32): Likewise.
14414 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14416 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14417 for pragma redefine_extname.
14419 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14422 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14423 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14424 -mno-minimal-toc to previous content.
14425 (bispecs): Remove goal.
14426 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14427 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14428 compatibility aliases on powerpc-*-*gnu*.
14429 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14430 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14431 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14432 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14433 (ldblspecs): New goal.
14434 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14435 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14437 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14438 L_sf_to_tf or L_df_to_tf is defined.
14440 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14441 Alan Modra <amodra@bigpond.net.au>
14444 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14445 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14446 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14447 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14448 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14449 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14450 (rs6000_override_options): Initialize rs6000_ieeequad.
14451 Initialize TFmode format to ibm_extended_format if not
14453 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14455 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14456 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14457 (function_arg_advance): IBM long double passed in two FPRs, not
14459 (function_arg): IBM long double passed in FPRs.
14460 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14461 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14462 Only multireg GPR aligned.
14463 (rs6000_init_libfuncs): Enable IBM long double functions if not
14465 (rs6000_generate_compare): Use IBM long double compare if not
14467 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14468 (TARGET_IEEEQUAD): Define.
14469 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14470 not TARGET_IEEEQUAD.
14471 * config/rs6000/rs6000.md: Enable TFmode patterns if
14473 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14474 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14475 and -mlong-double-128 are incompatible.
14476 * doc/invoke.texi (-mabi): Collect options together. Add
14477 ibmlongdouble and ieeelongdouble.
14479 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14481 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14483 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14484 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14485 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14486 * rtl.h (rtunion_def): Remove rt_ptr.
14488 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14489 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14490 * config/i386/winnt.c (i386_pe_mark_dllexport)
14491 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14493 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14495 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14497 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14501 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14502 pthread_key_delete. From John David Anglin. gthrw-ify
14503 pthread_getunique_np only if it it's not a macro. Delete
14505 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14506 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14507 __gthread_objc_condition_signal, __gthread_key_delete): Add
14508 "__attribute__ ((__unused__))" to unused arguments.
14509 (__gthread_recursive_mutex_init_function): Add missing return.
14510 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14511 gthr-posix95.h: Use macro-based approach for name redirection
14512 on targets missing weakref.
14514 2006-01-26 Zack Weinberg <zackw@panix.com>
14516 * genconditions.c (write_header): In generated code, #ifdef out
14517 all includes and fake declarations, except includes of bconfig.h
14518 and system.h, unless GCC_VERSION >= 3001. Do not include
14519 gensupport.h in any case.
14520 (write_conditions): Generate a definition of struct c_test. Add
14521 a comment to the generated #endif.
14522 (write_one_condition): Escape backslashes in string too.
14523 (write_writer): Generated code must escape backslashes and quote
14524 marks (but not newlines) in the strings it writes.
14525 * Makefile.in (build/gencondmd.o): Update dependencies.
14527 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14530 * Makefile.in (insn-automata.o): Add header file dependencies.
14531 * genautomata.c: Add includes.
14533 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14536 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14538 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14540 * configure.ac: Expect target tools paths to be passed from the toplevel
14541 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14543 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14545 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14548 * c.opt (Wpointer-sign): Init to -1.
14549 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14550 OPT_pedantic, to 0 otherwise.
14551 * doc/invoke.texi: Update.
14553 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14555 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14556 constants provided by 80387 instructions in the destination mode.
14558 2006-01-26 Richard Guenther <rguenther@suse.de>
14559 Andrew Pinski <pinskia@physics.uc.edu>
14562 partial PR tree-opt/17064
14563 * tree-ssa-structalias.c (intra_create_variable_infos):
14564 Create heap variables for incoming parameters if
14565 flag_argument_noalias > 1.
14566 (find_what_p_points_to): Look through default defs of
14569 2006-01-26 Jeff Law <law@redhat.com>
14572 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14573 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14574 within the VR_RANGE, use the VR_RANGE as the result, not the
14576 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14577 bounds for the type.
14579 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14581 * tree-ssa-alias.c (maybe_create_global_var): Change
14582 subvar walking to an assertion that we don't have subvar'd variables.
14584 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14587 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14588 Use a new variable, inner. PARM_DECLs are always non-weak.
14590 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14592 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14593 --disable-checking.
14595 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14597 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14599 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14601 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14602 (smax_insn, smin_insn, smax_0, smin_0): New.
14604 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14607 * config/cris/cris.c (cris_order_for_addsi3): New function.
14608 * config/cris/cris-protos.h: Prototype it.
14609 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14610 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14611 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14612 (split for "op.S1 [rx=rx+i],ry (swapped)")
14613 (split for "op(s|u).S1 [rx=rx+i],ry")
14614 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14615 Apply cris_order_for_addsi3 when generating addsi3 insns.
14617 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14619 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14620 (TREE_BLOCK): Add call to EXPR_CHECK.
14622 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14625 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14626 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14627 (dump_omp_clauses): ... here.
14628 (dump_generic_node): Handle OMP_CLAUSE.
14629 * tree.c (omp_clause_num_ops): New.
14630 (omp_clause_code_name): New.
14631 (tree_code_size): Handle OMP_CLAUSE.
14632 (tree_size): Likewise.
14633 (make_node): Document handling of OMP_CLAUSE.
14634 (tree_node_structure): Handle OMP_CLAUSE.
14635 (omp_clause_check_failed): New.
14636 (omp_clause_range_check_failed): New.
14637 (omp_clause_operand_check_failed): New.
14638 (build_omp_clause): New.
14639 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14640 * tree.h (enum omp_clause_code): Declare.
14641 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14642 (OMP_CLAUSE_RANGE_CHECK): Define.
14643 (OMP_CLAUSE_ELT_CHECK): Define.
14644 (omp_clause_check_failed): Declare.
14645 (omp_clause_operand_check_failed): Declare.
14646 (omp_clause_range_check_failed): Declare.
14647 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14648 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14649 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14650 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14651 (OMP_CLAUSE_IF_EXPR): Likewise.
14652 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14653 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14654 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14655 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14656 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14657 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14658 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14659 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14660 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14661 (OMP_CLAUSE_CODE): Define.
14662 (OMP_CLAUSE_SET_CODE): Define.
14663 (OMP_CLAUSE_CODE): Define.
14664 (OMP_CLAUSE_OPERAND): Define.
14665 (struct tree_omp_clause): Declare.
14666 (union tree_node): Add field 'omp_clause'.
14667 * treestruct.def (TS_OMP_CLAUSE): Define.
14668 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14669 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14670 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14671 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14672 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14673 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14674 (OMP_CLAUSE): Define.
14675 * print-tree.c (print_node): Handle OMP_CLAUSE.
14676 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14677 * c-typeck.c: Likewise.
14678 * gimplify.c: Likewise.
14679 * c-omp.c: Likewise.
14680 * tree-nested.c: Likewise.
14681 * tree-inline.c: Likewise.
14682 * c-parser.c: Likewise.
14683 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14686 2006-01-25 Roger Sayle <roger@eyesopen.com>
14688 PR rtl-optimization/25703
14689 * combine.c (try_combine): Handle zero_extract and strict_low_part
14690 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14692 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14694 * global.c: Fix comment typos.
14696 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14699 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14700 Use output_addr_const instead of assemble_name.
14702 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14704 * Makefile.in (sched-vis.o): Update dependencies.
14705 * haifa-sched.c (sched_finish): Clear current_sched_info.
14706 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14707 (dump_flow_info): Call it.
14708 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14710 * basic-block.h (dump_bb_info): Declare.
14711 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14712 option, and apply options only for dump files whose TDF_RTL,
14713 TDF_TREE, or TDF_IPA bits match.
14714 * rtl.h: Declare new functions exported from sched-vis.c.
14715 * sched-vis.c: Enable also if scheduling is not used.
14716 (print_value): Print the mode of registers if not inside scheduling.
14717 (print_insn): Make it work outside the scheduler. Beautify the output
14719 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14721 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14723 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14724 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14725 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14726 depending on the value of CONSTANT_POOL_ADDRESS_P.
14727 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14729 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14730 rather than SYMBOL_REF_DECL.
14731 (rtx_constant_pool): Remove const_rtx_sym_htab.
14732 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14733 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14734 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14735 Remove handling of const_rtx_sym_htab.
14736 (find_pool_constant): Delete.
14737 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14738 rather than find_pool_constant.
14739 (get_pool_constant_for_function): Delete.
14740 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14741 find_pool_constant.
14742 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14743 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14744 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14745 (SYMBOL_REF_CONSTANT): New macro.
14746 (get_pool_constant_for_function): Delete.
14747 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14748 rather than SYMBOL_REF_DECL.
14749 (i386_pe_mark_dllimport): Likewise.
14750 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14751 rather than SYMBOL_REF_DECL.
14752 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14753 (machopic_indirect_call_target): Likewise.
14755 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14757 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14759 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14761 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14763 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14765 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14767 2006-01-24 David Daney <ddaney@avtrex.com>
14770 * configure.ac (enable_tls): New enable option.
14771 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14772 * configure: Regenerate.
14773 * doc/install.texi (--enable-tls): Document new option.
14774 (--disable-tls): Ditto.
14776 2006-01-24 Richard Henderson <rth@redehat.com>
14778 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14779 * alias.c (true_dependence): Respect it.
14780 (canon_true_dependence, write_dependence_p): Likewise.
14781 * builtins.c (get_builtin_sync_mem): Set it.
14783 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14785 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14788 2006-01-24 DJ Delorie <dj@redhat.com>
14790 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14791 for storing constants in single-bit bitfields.
14793 2006-01-25 Ben Elliston <bje@au.ibm.com>
14795 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14797 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14800 * tree-ssa-pre.c (phi_translate): Return NULL
14801 for AGGREGATE_TYPE's.
14803 2006-01-24 Zack Weinberg <zackw@panix.com>
14805 * genautomata.c (process_state_for_insn_equiv_partition):
14806 Use xcalloc for insn_arcs_array.
14807 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14808 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14810 2006-01-24 Richard Henderson <rth@redhat.com>
14812 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14813 update all callers.
14815 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14817 PR rtl-optimization/25890
14818 PR rtl-optimization/25905
14819 * combine.c (expand_compound_operation, expand_field_assignment):
14820 Fail if the bitfield's final position is out of bounds.
14822 2006-01-24 Ian Lance Taylor <ian@airs.com>
14824 PR middle-end/25930
14825 * cgraphunit.c (cgraph_output_in_order): Don't clear
14826 cgraph_asm_nodes until after asm strings have been output.
14828 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14830 * fix-header.c (read_scan_file): Add new parameter imultilib when
14831 calling register_include_chains.
14833 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14835 * omp-low.c: Update documentation.
14837 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14838 Daniel Berlin <dberlin@dberlin.org>
14842 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14843 return from the function.
14845 2006-01-22 Zack Weinberg <zackw@panix.com>
14847 * rtl.def (match_code): Add second argument.
14848 * genpreds.c (write_extract_subexp): New function.
14849 (write_match_code): Add path argument. Use write_extract_subexp.
14850 (write_predicate_expr): Pass path to write_match_code.
14851 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14852 not perform a mode test.
14853 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14854 a subexpression does not constrain the top-level code set.
14855 * read-rtl.c (read_rtx_variadic): New function.
14856 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14857 * doc/md.texi: Document new notation.
14858 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14859 (cmpsi_operand): ... here, using new notation.
14861 2006-01-22 Zack Weinberg <zackw@panix.com>
14863 * varray.c: Remove GENERATOR_FILE #ifdefs.
14865 2006-01-22 Zack Weinberg <zackw@panix.com>
14867 * genautomata.c (output_reserved_units_table): Emit nothing if
14868 description->query_units_num is zero. Remove extra blank line.
14869 (output_cpu_unit_reservation_p): Short circuit
14870 if description->query_units_num is zero.
14872 2006-01-22 Zack Weinberg <zackw@panix.com>
14874 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14875 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14876 nor any of the random handful of variables that used to be necessary
14877 when this program was linked with rtlanal.o. Prune set of forward
14878 function declarations.
14879 (struct attr_desc): Remove static_p field.
14880 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14881 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14882 (attr_string): Do not read the character one past the length of
14884 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14885 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14886 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14887 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14888 (make_automaton_attrs): New.
14889 (main): Do not call into genautomata. Call local gen_bypass
14890 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14891 Remove special case for insn_alts.
14892 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14893 varray.h (leftover from previous change). Prune set of forward
14894 function declarations. Remove state_alts fields from all
14895 structures. Remove state_alts_table from struct automaton.
14896 Make everything except main static. Do not maintain num_dfa_decls.
14897 Do not maintain state_alts fields of various structures.
14898 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14899 (add_arc): Remove state_alts argument. All callers updated.
14900 (output_reserved_units_table): Emit #ifdef here...
14901 (output_tables): ...not here. Don't generate state_alts tables.
14902 (expand_automata): Don't generate attributes.
14903 (write_automata): Don't generate state_alts functions.
14904 (main): New function.
14905 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14906 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14907 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14908 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14909 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14910 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14911 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14912 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14914 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14915 * genattrtab.h: Delete file.
14916 * Makefile.in (OBJS-common): Add insn-automata.o.
14917 (insn-automata.o): New rule.
14918 (simple_generated_c): Add insn-automata.c.
14919 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14920 (genprogmd): Add automata.
14921 (build/genattrtab): Needs no extra objects nor libraries.
14922 (build/genautomata): Needs build/vec.o and -lm.
14924 2006-01-22 Zack Weinberg <zackw@panix.com>
14926 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14927 (output_dfa_max_issue_rate, locked_states_num): Delete.
14928 (struct automaton): Add locked_states field.
14929 (output_dead_lock_vect): Save number of locked states in
14930 automaton->locked_states. If it is zero, don't print anything.
14931 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14932 (output_internal_dead_lock_func): Only test the dead_lock_vect
14933 for automata that have locked states.
14934 (output_statistics): Always print the number of locked states for
14935 each automaton. Calculate total number of locked states here.
14936 (write_automata): Don't call output_dfa_max_issue_rate.
14937 * genattrtab.c: Define length_unit_log as a const variable.
14938 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14939 max_insn_queue_index const.
14940 * final.c (length_unit_log): Declare const.
14941 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14943 2006-01-22 Zack Weinberg <zackw@panix.com>
14945 * genautomata.c: Include vec.h, not varray.h.
14946 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14947 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14948 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14949 VEC_* macros operating on appropriately typed vectors, or to
14950 malloced arrays when the size is known in advance. Const-ify
14951 many char* variables and function arguments. No functional changes.
14952 * Makefile.in (build/varray.o): Delete rule.
14953 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14954 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14956 2006-01-22 Zack Weinberg <zackw@panix.com>
14958 * gensupport.c: Define get_insn_name and record_insn_name here.
14959 (read_md_rtx): Call record_insn_name as appropriate.
14960 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14961 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14962 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14964 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14965 (BUILD_VARRAY): Delete.
14966 (genprognormal): Rename genprogmd. Fold in all programs from
14967 genprognoprint; also attrtab.
14968 (build/genattrtab): Just mention genautomata.o and varray.o.
14969 Reorganize a bit, add comments to make the categories clearer.
14971 2006-01-22 Zack Weinberg <zackw@panix.com>
14973 * genconditions.c (condition_table, add_condition): Delete.
14974 (write_conditions): Don't emit n_insn_conditions nor
14975 insn_elision_unavailable. Issue the gcc version #ifdef here,
14976 inside the table, with no #else clause ...
14977 (write_header): ...not here.
14978 (write_writer): New function.
14979 (main): Don't initialize condition_table. Use add_c_test.
14981 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14982 files on the command line.
14983 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14984 Return -1 if there is no entry in the table, don't abort.
14985 (add_c_test, traverse_c_tests): New functions.
14986 * gensupport.h (insn_elision_unavailable, insn_conditions)
14987 (n_insn_conditions): Delete declarations.
14988 (add_c_test, traverse_c_tests): Declare.
14989 * read-rtl.c: Include gensupport.h.
14990 (read_conditions): New function.
14991 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14992 (read_rtx_1): If we get EOF when we were looking for an initial
14993 open paren, return 0. Call read_conditions when appropriate.
14994 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14995 dummy-conditions.o. Eliminate references to insn-conditions.o,
14996 or change them to build/gencondmd.o, as appropriate. Remove
14997 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14998 from $(simple_generated_c). For all files remaining in those
14999 two lists, add insn-conditions.md to the generator command line.
15000 Give insn-constants.h/s-constants their own rules. Add rules
15001 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15002 (build/read-rtl.o): Depend on gensupport.h.
15003 (genprognormal): Include preds.
15004 (genprogearly): Rename genprognoprint; only difference is now that
15005 they don't link with $(BUILD_PRINT).
15006 * dummy-conditions.c: Delete.
15008 2006-01-22 Zack Weinberg <zackw@panix.com>
15010 * genextract.c: Don't include insn-config.h. Do include vec.h.
15011 Declare vectors of int, char, and locstr.
15012 (locstr): New typedef.
15013 (struct extraction): Make all array fields into bare pointers.
15014 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15015 (insn_code_number): Delete.
15016 (accum_extract): New struct.
15017 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15018 (gen_insn): Take insn_code_number as an argument. Use an
15019 accum_extract structure instead of loading data directly into
15020 a struct extraction, and having to know how big it might get.
15021 (walk_rtx): Operate entirely on an accum_extract structure.
15022 (print_path): Avoid unnecessary use of printf.
15023 (print_header): New function, split out of main. Distinguish
15024 more carefully between an unrecognizable insn and an insn that
15025 has the code number of a define_expand.
15026 (main): Pass insn_code_number to gen_insn. Call print_header
15027 only after parsing. Avoid unnecessary use of printf.
15028 * Makefile.in (build/vec.o): New rule.
15029 (build/genextract): Depend on build/vec.o.
15030 (build/genextract.o): Don't depend on insn-config.h.
15032 2006-01-22 Zack Weinberg <zackw@panix.com>
15034 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15035 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15036 practical. Eliminate per-generator-program link rules.
15038 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15040 PR middle-end/24437
15041 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15042 with a call expr to ...
15043 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15045 2006-01-23 Richard Guenther <rguenther@suse.de>
15047 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15048 before make_edge with conditional EDGE_TRUE_VALUE.
15050 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15051 Jan Hubicka <jh@suse.cz>
15052 Richard Guenther <rguenther@suse.de>
15054 PR rtl-optimization/25654
15055 * cfgexpand.c (aggregate_contains_union_type): New function.
15056 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15057 for structure variables that contain a union type.
15059 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15061 * gengtype.c (new_structure): Return the structure.
15062 (create_option): Add an extra "next" argument.
15063 (create_field): New function.
15064 (adjust_field_rtx_def): Use create_option and create_field.
15065 Remove a now-unnecessary call to find_structure.
15066 (adjust_field_tree_def): Likewise.
15067 (note_yacc_type): Remove an unnecessary call to find_structure.
15068 * gengtype.h (new_structure): Return the structure.
15069 (create_option): Add an extra argument.
15070 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15071 (option): Adjust calls to create_option.
15073 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15075 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15077 2006-01-22 Paul Brook <paul@codesourcery.com>
15078 Peter Barada <peter@the-baradas.com>
15080 * config/m68k/m68k.md: Add Coldfire FPU support.
15081 Define FP mode macro and associated attributes.
15082 Use it for float mode patterns.
15083 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15084 (LIBCALL_VALUE): Use m68k_libcall_value.
15085 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15086 (m68k_function_value): Ditto.
15087 (emit_move_sequence): Ditto.
15088 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15089 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15090 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15091 (MULTILIB_EXCEPTIONS): Ditto.
15092 * config/m68k/m68k.opt: Add mcfv4e.
15093 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15094 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15095 (m68k_output_function_prologue): Save ColdFire FPU registers.
15096 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15097 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15098 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15099 ColdFire FPU registers.
15100 (m68k_libcall_value, m68k_function_value): New functions.
15101 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15102 (LIBCALL_VALUE): Use m68k_libcall_value.
15103 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15104 (MASK_COLDFIRE): Add MASK_CFV4E.
15105 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15106 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15107 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15108 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15109 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15110 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15111 * doc/invoke.tex: Document -mcfv4e on m68k.
15113 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15115 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15118 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15121 * c-opts.c (c_common_handle_option): Don't include
15122 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15123 * doc/invoke.texi (C++ Dialect Options): Document that
15124 -Wnon-virtual-dtor is no longer included in -Wall.
15126 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15128 * gcov.c (print_version), gcov-dump.c (print_version),
15129 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15132 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15134 * df-scan.c (problem_SCAN): Added NULL reset function.
15135 (df_scan_reset_blocks): Added code to call reset block function
15136 (df_bb_refs_delete) Fixed comment.
15137 (df_insn_refs_delete): Made tolerant of deleting non existent info
15138 for dataflow problems that need to be reset.
15139 * df-core.c (df_set_blocks): Ditto.
15140 * df.h (struct df_problem): Added reset_fun.
15141 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15142 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15143 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15144 functions to clear out all references to def-use or use-def chains.
15146 2006-01-21 Ben Elliston <bje@au.ibm.com>
15148 * varasm.c (assemble_real): Initialise data array.
15150 2006-01-20 Paul Brook <paul@codesourcery.com>
15152 Merge from csl-arm-branch.
15153 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15154 * config/arm/arm.md (movdi): Force operands[1] to a register
15155 if we have a non-register source.
15156 (*arm_movdi, *movdf_soft_insn): Require that one of the
15157 operands be a register.
15158 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15159 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15161 2006-01-20 DJ Delorie <dj@redhat.com>
15163 * varasm.c (initializer_constant_valid_p): Allow pointers
15164 initialized from integer constants of lesser precision.
15165 (output_constant): Allow non-int-sized pointer modes to be
15166 initialized from integer constants.
15168 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15171 * cppdefault.h (struct default_include): Add multilib flag.
15172 * cppdefault.c (cpp_include_defaults): Set it.
15173 * c.opt (-imultilib): New option.
15174 * c-opts.c (imultilib): New.
15175 (c_common_handle_option): Handle -imultilib.
15176 (c_common_post_options): Likewise.
15177 * c-incpath.c (add_standard_paths, register_include_chains):
15179 * c-incpath.h (register_include_chains): Add extra parameter.
15180 * gcc.c (do_spec_1): Generate -imultilib option.
15181 (The Specs Language): Update %I description.
15182 (process_command): Update copyright notice.
15183 * doc/cppopts.texi (-imultilib): Document.
15184 * doc/invoke.texi (-imultilib): Include in option summary.
15185 (%I): Update specs documentation.
15187 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15189 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15191 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15193 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15196 2006-01-20 Richard Guenther <rguenther@suse.de>
15197 Steven Bosscher <stevenb.gcc@gmail.com>
15199 PR rtl-optimization/24626
15200 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15201 EDGE_TRUE_VALUE if in RTL mode.
15204 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15205 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15207 2006-01-20 Dirk Mueller <dmueller@suse.com>
15210 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15211 instead of a special NOP marker.
15212 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15213 NOP marker handling.
15214 * c-common.h (empty_body_warning): Add forward declaration.
15215 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15216 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15218 2006-01-20 Paul Brook <paul@codesourcery.com>
15220 * Makefile.in (lang_checks): Keep going if mkdir fails.
15222 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15224 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15225 be able to clean out basic block when not necessary.
15226 (df_scan_free): Fixed to properly delete information if df is
15227 unused before calling df_finish.
15228 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15229 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15231 (df_bb_refs_delete): New function.
15232 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15233 * df-core.c (df_set_blocks): Added code to properly clean out
15234 unused blocks if they are not part of the blocks to consider.
15235 Added additional null check.
15236 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15237 be able to clean out basic block when not necessary
15238 * df.h (df_free_bb_function): Ditto.
15239 (df_bb_refs_delete): New function.
15240 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15241 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15242 basic block parameter to be able to clean out basic block when not
15244 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15245 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15246 Fixed to properly delete information if df is unused before
15249 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15251 PR rtl-optimization/25799
15252 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15253 Corrected confluence operator to remove bits from op2 before oring
15254 with op1 rather than removing bits from op1.
15255 (df_ru_transfer_function): Corrected test on wrong bitmap which
15256 caused infinite loop. Both of these problems were introduced in
15257 the dataflow rewrite.
15259 2006-01-19 DJ Delorie <dj@redhat.com>
15261 * reload1.c (find_reload_regs): Note the details of reload
15262 failures in the dump file.
15263 (spill_failure): Likewise.
15265 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15267 * loop-iv.c: Include df.h and hashtab.h.
15268 (enum iv_grd_result): New enum.
15269 (DF_REF_IV, DF_REF_IV_SET): New macros.
15270 (struct biv_entry): New.
15271 (df, bivs): New global variables.
15272 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15273 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15275 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15276 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15277 analyzed_for_bivness_p, record_biv): New functions.
15278 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15279 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15280 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15282 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15284 (iv_number_of_iterations): Use new interface to iv analysis.
15285 * loop-unroll.c: Do not include varray.h.
15286 (analyze_iv_to_split_insn): Use new interface to iv
15288 * loop-unswitch.c (may_unswitch_on): Ditto.
15289 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15291 (df_bb_modify): Realloc tables to the new index.
15292 (df_find_use): New function.
15293 * df.h (df_find_use): Declare.
15294 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15296 * cfgloop.h (struct rtx_iv): Remove analysed field.
15297 (iv_get_reaching_def): Removed.
15298 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15299 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15300 (loop-iv.o): Add df.h and hashtab.h dependency.
15301 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15303 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15306 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15308 (__floatundisf, __floatundidf): Likewise.
15309 * libgcc2.h (IS_IBM_EXTENDED): Define.
15311 2006-01-19 DJ Delorie <dj@redhat.com>
15313 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15315 2006-01-19 Paul Brook <paul@codesourcery.com>
15317 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15318 as nothrow when unwinding tables are disabled.
15320 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15323 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15324 of bit-field" when in system header.
15326 2006-01-19 DJ Delorie <dj@redhat.com>
15328 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15329 the 16 bit shift limit of the m16c.
15331 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15334 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15335 * config/i386/i386.c (output_set_got): Output the label if we have one
15336 for the TARGET_DEEP_BRANCH_PREDICTION case.
15338 2006-01-19 Jan Hubicka <jh@suse.cz>
15339 H.J. Lu <hongjiu.lu@intel.com>
15340 Evandro Menezes <evandro.menezes@amd.com>
15342 * invoke.texi (generic): Document
15344 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15345 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15346 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15347 (x86_use_incdec, x86_pad_returns): New variables
15348 (TARGET_CPU_DEFAULT_generic): New constant
15349 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15350 (enum processor_type): Add generic32 and generic64.
15351 * i386.md (cpu attribute): Add generic32/generic64
15352 (movhi splitter): Behave sanely when both partial_reg_dependency and
15353 partial_reg_stall are set.
15354 (K8 splitters): Enable for generic as well.
15355 * predicates.md (incdec_operand): Use TARGET_INCDEC
15356 (aligned_operand): Avoid memory mismatch stalls.
15357 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15358 * ppro.md: Enable for generic32
15359 * i386.c (generic64_cost, generic32_cost): New.
15360 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15361 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15362 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15363 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15364 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15365 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15366 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15367 x86_accumulate_outgoing_args, x86_prologue_using_move,
15368 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15369 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15370 Enable for generic.
15371 (x86_use_incdec, x86_pad_returns): New.
15372 (override_options): Add generic32 and generic64, translate "generic"
15373 to generic32/generic64 and "i686" to "generic32", refuse
15374 "generic32"/"generic64" as arch target.
15375 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15376 (ix86_reorg): Honor PAD_RETURNS.
15378 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15380 * tree-pretty-print.c (dump_generic_node): Handle
15381 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15382 * cgraph.c (cgraph_expand_queue): Rename from
15383 cgraph_analyze_queue. Update all users.
15384 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15385 cgraph_expand_queue.
15386 (cgraph_expand_all_functions): Likewise.
15387 (cgraph_finalize_pending_functions): Remove. Update callers.
15389 * tree.h (OMP_DIRECTIVE_P): Define.
15390 (OMP_PARALLEL_FN): Define.
15391 (OMP_PARALLEL_DATA_ARG): Define.
15392 (OMP_SECTIONS_SECTIONS): Define.
15393 * tree-pass.h (pass_expand_omp): Declare.
15394 * omp-low.c (struct omp_region): Declare.
15395 (struct omp_context): Remove fields 'parallel_type',
15396 'parallel_start_ix' and 'parallel_start_additional_args'.
15398 (struct omp_for_data): Rename from struct expand_omp_for_data.
15399 (omp_regions): New static variable.
15400 (root_omp_region): New static variable.
15401 (find_omp_clause): Make static.
15402 (is_in_combined_parallel_ctx): Remove.
15403 (is_combined_parallel): New.
15404 (extract_omp_for_data): Move earlier in the file.
15405 (workshare_safe_to_combine_p): New.
15406 (get_ws_args_for): New.
15407 (determine_parallel_type): Move earlier in the file.
15408 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15410 (omp_copy_decl): Likewise.
15411 (create_omp_child_function): Likewise.
15412 (lookup_omp_region): New.
15413 (dump_omp_region): New.
15414 (debug_omp_region): New.
15415 (debug_all_omp_regions): New.
15416 (new_omp_region): New.
15417 (scan_omp_parallel): If parallel_nesting_level > 1, the
15418 directive is nested within another parallel directive.
15419 Set OMP_PARALLEL_FN.
15420 (scan_omp_for): Do not try to handle combined parallel+for
15422 Remove FIXME comment.
15423 (scan_omp_nested): Remove.
15424 (scan_omp_1): Do not call scan_omp_nested when
15425 parallel_nesting_level is > 1.
15426 Do not change the DECL_CONTEXT of local variables found.
15427 (lookup_decl_in_outer_ctx): New.
15428 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15429 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15430 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15431 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15432 If CTX is nested, lookup VAR in the outer context when
15433 building copy assignment.
15434 (lower_send_clauses): Rename from expand_send_clauses.
15435 If CTX is nested, lookup VAR in the outer context when
15436 building copy assignments.
15437 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15438 If CTX is nested, lookup VAR in the outer context when
15439 building copy assignments.
15440 (expand_parallel_call): Rename from build_parallel_call.
15441 Handle combined parallel+workshare cases.
15442 Re-implement to emit code into the CFG.
15444 (expand_omp_parallel): Re-implement to emit code into the CFG.
15445 Call move_sese_region_to_fn to outline the sub-graph
15446 containing the parallel region.
15447 (expand_omp_for_1): Remove.
15448 (expand_omp_for_generic): Re-implement to emit code into the
15450 (expand_omp_for_static_nochunk): Likewise.
15451 (expand_omp_for_static_chunk): Likewise.
15452 (expand_omp_for): Likewise.
15453 (expand_omp_sections): Likewise.
15454 (remove_exit_barriers): New.
15455 (expand_omp_synch): New.
15457 (build_omp_regions_1): New.
15458 (build_omp_regions): New.
15459 (execute_expand_omp): New.
15460 (gate_expand_omp): New.
15461 (pass_expand_omp): Define.
15462 (lower_omp_sections): Rename from expand_omp_sections.
15463 Set OMP_SECTIONS_SECTIONS.
15464 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15465 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15466 (lower_omp_single): Rename from expand_omp_simple.
15467 (lower_omp_master): Rename from expand_omp_master.
15468 (lower_omp_ordered): Rename from expand_omp_ordered.
15469 (lower_omp_critical): Rename from expand_omp_critical.
15470 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15471 (lower_omp_for): Re-implement.
15472 (lower_omp_parallel): Re-implement.
15473 (lower_regimplify): Rename from expand_regimplify.
15474 (lower_omp_1): Rename from expand_omp_1.
15475 If there are syntax errors in the program, replace every
15476 OpenMP directive with NOP.
15477 Call lower_omp_* instead of expand_omp_*.
15478 (lower_omp): Rename from expand_omp.
15480 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15481 * tree-gimple.h (enum omp_parallel_type): Remove.
15482 (gimple_boolify): Declare extern.
15483 (find_omp_clause, determine_parallel_type): Remove.
15485 * gimple-low.c (lower_omp_directive): New.
15486 (lower_stmt): Call it.
15487 (record_vars_into): Move from ...
15488 (record_vars): ... here.
15489 Call record_vars_into with current_function_decl.
15491 * gimplify.c (struct gimplify_ctx): Remove fields
15492 combined_pre_p and combined_ctxp. Update users.
15493 (get_formal_tmp_var): Add documentation.
15494 (gimple_boolify): Make extern.
15495 (gimplify_expr_in_ctx): Remove. Update callers.
15496 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15497 will always be a BIND_EXPR.
15498 (gimplify_expr): Handle OMP_RETURN_EXPR.
15499 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15500 (OMP_PARALLEL): Add 3 operands.
15501 (OMP_SECTIONS): Add 1 operand.
15502 (OMP_RETURN_EXPR): Define.
15504 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15505 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15506 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15507 creating a circular free list.
15508 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15510 * tree-flow.h (move_sese_region_to_fn): Declare.
15511 (record_vars_into): Declare.
15512 * tree-cfg.c (make_omp_sections_edges): New.
15513 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15514 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15515 OMP_SECTIONS and OMP_SECTION.
15516 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15517 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15518 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15519 (gather_blocks_in_sese_region): New.
15520 (struct move_stmt_d): Declare.
15521 (move_stmt_r): New.
15522 (move_block_to_fn): New.
15523 (move_sese_region_to_fn): New.
15525 * passes.c (init_optimization_passes): Schedule
15526 pass_expand_omp after pass_init_datastructures.
15528 * tree-ssa-operands.c (get_expr_operands): Handle
15529 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15530 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15532 2006-01-19 Jeff Law <law@redhat.com>
15534 * tree-vrp.c (extract_range_from_assert): Refine the result range
15535 if the variable referenced by the ASSERT_EXPR has a range and
15536 either the tentative result range or the previous range is a
15539 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15541 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15543 2006-01-19 Jan Hubicka <jh@suse.cz>
15545 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15547 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15549 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15550 (expand_compound_operation, expand_field_assignment): Fail if the
15551 bit lengths of an extract operation are out of range.
15552 (make_extraction): Compute wanted_inner_mode based on the position
15553 and length of the extraction. Make it extraction_mode for non-constant
15554 positions, and do not modify offset in that case. When generating a
15555 new MEM, use a mode that can hold the extraction while keeping correct
15556 alignment. Remove code that supported MEMs wrapped by USEs.
15557 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15559 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15561 * config/s390/s390.md ("Y", "y"): New mode attribute.
15562 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15563 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15564 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15565 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15566 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15567 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15568 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15569 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15570 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15571 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15572 "addsi3", "subsi3"): Insn patterns removed.
15573 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15574 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15575 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15576 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15577 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15578 "*sub<mode>3_cconly2"): New insn patterns.
15579 ("addsi3", "subsi3"): New expanders.
15581 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15583 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15584 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15585 existing STMT_VINFO_VECTYPE if available.
15586 (vect_mark_relevant): Add special handling for stmts that are
15587 marked as STMT_VINFO_IN_PATTERN_P.
15588 (vect_analyze_loop): Call vect_pattern_recog.
15589 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15590 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15592 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15593 (vect_recog_func_ptr): New function-pointer type.
15594 * tree-vect-patterns.c: New file.
15595 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15596 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15597 (vect_pattern_recog_1): New functions.
15598 (vect_pattern_recog_funcs): New array of function pointers.
15600 * tree-vectorizer.h (ternary_op): New enum value.
15601 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15602 declaration. Revised documentation. Removed redundant dump prints.
15603 Removed redundant argument. Added support for reduction patterns.
15604 (vectorizable_reduction): Added support for reduction patterns.
15605 (vect_transform_stmt): Added support for patterns.
15607 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15608 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15609 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15610 (expand_widen_pattern_expr): New function.
15611 (init_optabs): Initialize new optabs udot_prod_optab,
15613 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15614 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15615 (expand_widen_pattern_expr): New function declaration.
15616 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15618 * tree-inline.c (estimate_num_insns_1): Added cases for new
15619 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15620 * tree-pretty-print.c (dump_generic_node): Likewise.
15621 (op_prio): Likewise.
15622 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15623 * tree-ssa-operands.c (get_expr_operands): Added case for
15625 * tree-vect-patterns.c (widened_name_p): New function.
15626 (vect_recog_dot_prod_pattern): Added function implementation.
15627 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15628 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15629 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15630 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15632 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15633 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15634 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15635 (init_optabs): Initialize new optabs widen_ssum_optab,
15637 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15638 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15639 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15640 use instead of type of def.
15641 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15642 function implementation.
15643 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15644 widen_ssumv8hi): New.
15646 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15649 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15652 * c-decl.c (add_flexible_array_elts_to_size): New function.
15653 (finish_decl): Use it.
15655 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15657 * diagnostic.h: Include options.h.
15658 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15659 dependancies for diagnostic.h.
15660 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15662 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15664 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15665 (ssa_ro_call_cache_valid): Ditto.
15666 * tree-ssa-alias.c (sort_tags_by_id): New function.
15667 (init_transitive_clobber_worklist): Ditto.
15668 (add_to_worklist): Ditto.
15669 (mark_aliases_call_clobbered): Ditto.
15670 (compute_tag_properties): Ditto.
15671 (set_initial_properties): Ditto.
15672 (compute_call_clobbered): Ditto.
15673 (compute_may_aliases): Call compute_call_clobbered and grouping.
15674 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15675 (compute_flow_insensitive_aliasing): Grouping now happens in our
15677 (setup_pointers_and_addressables): Remove clobbering related code.
15678 (add_may_alias): Ditto.
15679 (replace_may_alias): Ditto.
15680 (get_nmt_for): Ditto.
15681 (create_global_var):
15682 (is_escape_site): Return an escape_type enumeration.
15683 * tree-flow-inline.h (is_call_clobbered): Global var does not
15684 imply call clobbered.
15685 (mark_call_clobbered): Take a reason for marking this. Remove
15686 marking of globalness, and cache invalidation.
15687 (clear_call_clobbered): Remove cache invalidation code.
15688 * tree-dfa.c (dump_variable): If details is on, dump the reason
15690 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15692 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15693 (struct var_ann_d): Ditto.
15694 (enum escape_type): New.
15695 (mark_call_clobbered): Adjust prototype.
15696 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15697 are never call clobbered.
15698 Record reasons for escaping.
15699 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15700 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15701 (ssa_ro_call_cache_valid): Ditto.
15702 (clobbered_v_may_defs): Ditto.
15703 (clobbered_vuses): Ditto.
15704 (ro_call_vuses): Ditto.
15705 (clobber_stats): New.
15706 (init_ssa_operands): Zero out clobber stats.
15707 (fini_ssa_operands): Print out clobber stats.
15708 (get_call_expr_operands): Pass callee fndecl to
15709 add_call_read_ops).
15710 (add_call_clobber_ops): Remove use of cache.
15711 Add use of PURE_CONST information.
15712 (add_call_read_ops): Remove use of cache.
15713 Add use of static not_read information.
15715 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15717 Introduce TLS descriptors for i386 and x86_64.
15718 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15719 (TARGET_ANY_GNU_TLS): New macro.
15720 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15721 (struct machine_function): Add tls_descriptor_call_expanded_p.
15722 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15723 (ix86_current_function_calls_tls_descriptor): Likewise.
15724 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15725 (override_options): Introduce gnu2 tls dialect.
15726 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15728 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15730 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15731 (ix86_init_machine_status): Initialize new field.
15732 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15733 (ix86_tls_module_base): New.
15734 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15735 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15736 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15737 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15738 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15739 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15740 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15741 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15742 * config/i386/predicates.md (tls_modbase_operand): New.
15743 (tp_or_register_operand): New.
15745 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15747 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15748 (look_for_address_of): Ditto.
15749 (ipa_init): Walk the function decls.
15750 (static_execute): Don't set readonly on FUNCTION_DECL's.
15752 2006-01-18 Roger Sayle <roger@eyesopen.com>
15754 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15755 for shifts where the source and destination registers are different.
15757 2006-01-18 Paul Brook <paul@codesourcery.com>
15759 Merge from csl-arm-branch.
15760 2005-03-14 Julian Brown <julian@codesourcery.com>
15761 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15762 (aeabi_llsl): Likewise.
15763 (ashrdi3): Likewise.
15764 (aeabi_lasr): Likewise.
15765 (lshrdi3): Likewise.
15766 (aeabi_llsr): Likewise.
15767 2005-03-10 Julian Brown <julian@codesourcery.com>
15768 * config.gcc: Disable shared libgcc for SymbianOS.
15769 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15771 2006-01-18 DJ Delorie <dj@redhat.com>
15773 * c-pragma.c (handle_pragma_diagnostic): New.
15774 (init_pragma): Register it.
15775 * doc/extend.texi: Document it.
15777 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15778 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15779 (diagnostic_context): Add classify_diagnostic[].
15780 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15781 as errors if they're overridden to DK_WARNING.
15782 (diagnostic_initialize): Initialize classify_diagnostic[].
15783 (diagnostic_set_kind_override): New.
15784 (diagnostic_report_diagnostic): Check for kind changes.
15785 * opts.c (common_handle_option): Take lang_mask. Update callers.
15786 Handle OPT_Werror_.
15787 * common.opt (Werror=): New.
15788 * doc/invoke.texi: Document -Werror=*
15790 2006-01-18 Jeff Law <law@redhat.com>
15792 * tree-vrp.c (test_for_singularity): Correct test for new
15793 min limit. Use operand_equal_p rather than pointer equality
15794 for testing if new min/max values are equal.
15796 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15797 using range information until after propagation and folding.
15799 2006-01-18 Richard Henderson <rth@redhat.com>
15800 Aldy Hernandez <aldyh@redhat.com>
15801 Jakub Jelinek <jakub@redhat.com>
15802 Diego Novillo <dnovillo@redhat.com>
15804 * omp-low.c: New file.
15805 * c-omp.c: New file.
15807 2006-01-18 Richard Henderson <rth@redhat.com>
15808 Jakub Jelinek <jakub@redhat.com>
15809 Diego Novillo <dnovillo@redhat.com>
15811 * doc/invoke.texi: Document -fopenmp.
15812 * tree-dump.h (debug_function): Declare.
15813 * hooks.c (hook_bool_tree_bool_false): New function.
15814 (hook_tree_tree_null): Remove.
15815 (hook_tree_tree_tree_null): New.
15816 * hooks.h: Update to match.
15817 * tree-pretty-print.c (debug_tree_chain): New.
15818 (print_generic_expr): Handle TDF_CHAIN.
15819 (dump_generic_node): Handle BLOCK.
15820 Do not abort with incomplete SWITCH_EXPRs.
15821 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15822 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15823 print space after directive name.
15824 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15825 Handle OMP_MASTER and OMP_ORDERED.
15826 Handle printing of OMP_BODY just in one place, goto
15827 dump_omp_body in the rest of OMP_* nodes that have
15829 Don't handle clause nodes here. Update omp statements to
15830 use dump_omp_clauses.
15831 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15832 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15833 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15834 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15835 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15836 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15837 Adjust output for GOMP_PARALLEL.
15838 (dump_omp_clauses): New.
15839 (print_declaration): Dump DECL_VALUE_EXPR.
15840 (op_symbol_1): Split out of op_symbol.
15841 (dumping_stmts): Remove. Update all users.
15842 * cgraph.c (cgraph_analyze_queue): New.
15843 (cgraph_add_new_function): New.
15844 * cgraph.h (cgraph_analyze_queue): Declare.
15845 (cgraph_add_new_function): Declare.
15846 (cgraph_lower_function): Remove.
15847 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15848 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15849 and TYPE_P nodes in its default clause.
15850 (empty_body_p): New.
15851 (tree_range_check_failed): New.
15852 (build5_stat): New.
15853 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15854 OMP_CLAUSE_REDUCTION_MERGE,
15855 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15856 OMP_CLAUSE_PRIVATE_DEBUG,
15857 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15858 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15859 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15860 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15861 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15862 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15863 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15864 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15865 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15866 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15867 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15868 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15869 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15870 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15871 (TREE_RANGE_CHECK): New.
15872 (empty_body_p): Declare.
15873 (enum omp_clause_default_kind): New.
15874 (build_string_literal): Declare.
15875 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15876 (build5_stat, build5): Declare.
15877 * tree-pass.h (TDF_CHAIN): Define.
15878 * tree-pass.h (PROP_gimple_lomp): Define.
15879 (pass_lower_omp): Declare.
15880 * diagnostic.h (debug_tree_chain): Declare.
15881 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15883 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15884 * builtins.c (build_string_literal): Make extern.
15885 * gcc.c (include_spec_function): New.
15886 (static_spec_functions): Add it.
15887 (main): Move load of libgomp.spec ...
15888 (LINK_COMMAND_SPEC): ... here.
15889 (link_gomp_spec): New.
15890 (static_specs): Include it.
15891 (LINK_COMMAND_SPEC): Add link_gomp.
15892 (GOMP_SELF_SPECS): New.
15893 (driver_self_specs): Include it.
15894 (switch_matches): Don't mark inline.
15895 (main): Load libgomp.spec.
15896 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15897 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15898 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15899 * tree-gimple.h (enum omp_parallel): Declare.
15900 (determine_parallel_type): Declare.
15901 (omp_firstprivatize_variable): Declare.
15902 (omp_reduction_init): Declare.
15903 (diagnose_omp_structured_block_errors): Declare.
15904 (struct walk_stmt_info): Add want_return_expr.
15905 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15906 (find_omp_clause): Declare.
15907 (insert_field_into_struct): Declare.
15908 (struct walk_stmt_info): Move from tree-nested.c
15909 (walk_stmts): Declare.
15910 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15912 * cgraphunit.c (cgraph_lower_function): Make static.
15913 (cgraph_finalize_pending_functions): New.
15914 (cgraph_finalize_function): Call it.
15915 (cgraph_finalize_compilation_unit): Likewise.
15916 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15917 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15918 (BT_FN_UINT_UINT): New.
15919 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15920 DEF_FUNCTION_TYPE_VAR_4): Document.
15921 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15922 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15923 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15924 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15925 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15926 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15927 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15928 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15929 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15930 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15931 into separate files.
15932 (DEF_GOMP_BUILTIN): New.
15933 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15934 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15935 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15936 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15937 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15938 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15939 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15940 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15941 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15942 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15943 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15944 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15945 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15946 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15947 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15948 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15949 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15950 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15951 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15952 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15953 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15954 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15955 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15956 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15957 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15958 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15959 * sync-builtins.def: New file, moved from builtins.def.
15960 * omp-builtins.def: New file, moved from builtins.def.
15961 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15962 * gimple-low.c (lower_function_body): Clear data.
15963 (lower_stmt): Do not handle COMPOUND_EXPR.
15964 Remove call to print_node_brief.
15965 * c-tree.h (c_finish_omp_clauses): New prototype.
15966 (C_DECL_THREADPRIVATE_P): Define.
15967 (lookup_name_no_remap, c_omp_remap_private): Remove
15968 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15969 (check_for_loop_decls): Update decl.
15970 (lookup_name_no_remap, c_omp_remap_private): Declare.
15971 (build_indirect_ref, build_modify_expr, pushdecl,
15972 pushdecl_top_level): Move to c-common.h.
15973 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15974 before the switch, but just in the 2 places that need it.
15975 * c-decl.c (diagnose_mismatched_decls): Do not check for
15976 mismatched thread-local attributes when OLDDECL is marked
15977 threadprivate and NEWDECL has no thread-local attributes.
15978 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15979 (c_gimple_diagnostics_recursively): Rename from
15980 c_warn_unused_result_recursively. Invoke
15981 diagnose_omp_structured_block_errors.
15982 (check_for_loop_decls): Return a singular decl found.
15983 * langhooks.c (lhd_omp_predetermined_sharing): Return
15984 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15985 (lhd_omp_firstprivatize_type_sizes): New.
15986 (lhd_omp_assignment): New.
15987 (lhd_omp_predetermined_sharing): New.
15988 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15989 (struct lang_hooks_for_types): Add
15990 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15991 omp_predetermined_sharing, omp_disregard_value_expr,
15992 omp_private_debug_clause, omp_clause_default_ctor,
15993 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15994 (c_finish_omp_clauses): New.
15995 (c_finish_bc_stmt): Diagnose break within omp for.
15996 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15997 (build_unary_op): Return error_mark after reporting
15999 (build_modify_expr): Likewise.
16000 * gimplify.c: Include optabs.h and pointer-set.h.
16001 (enum gimplify_omp_var_data): Declare.
16002 (struct gimplify_omp_ctx): Declare.
16003 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16005 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16006 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16007 (splay_tree_compare_decl_uid): New.
16008 (new_omp_context): New.
16009 (delete_omp_context): New.
16010 (gimple_add_tmp_var): Call omp_add_variable.
16011 (gimplify_bind_expr): Likewise.
16012 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16013 true, disregard DECL_VALUE_EXPR on the decl if any.
16014 (gimplify_expr_in_ctx): New.
16015 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16016 omp_add_variable, omp_notice_variable, omp_is_private
16017 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16018 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16019 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16020 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16021 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16022 gimplify_omp_atomic): New.
16023 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16024 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16025 OMP_CRITICAL and OMP_ATOMIC.
16026 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16027 * c-pragma.h (enum pragma_kind): Add
16028 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16029 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16030 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16031 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16032 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16033 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16034 PRAGMA_OMP_THREADPRIVATE.
16035 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16036 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16037 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16038 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16039 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16040 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16041 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16042 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16043 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16044 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16045 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16046 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16047 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16049 (struct nesting_info): Add field_map,
16050 suppress_expansion, debug_var_chain.
16051 (create_nesting_tree): Initialize them.
16052 (lookup_field_for_decl): Use field_map.
16053 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16054 (convert_local_omp_clauses): New.
16055 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16056 (walk_body): Split out of walk_function.
16057 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16058 (convert_nonlocal_reference): Handle omp statements.
16059 (convert_local_reference): Likewise.
16060 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16061 (unnest_nesting_tree): New.
16062 (lower_nested_functions): Call it.
16063 (insert_field_into_struct): Make extern.
16064 (struct walk_stmt_info): Move to tree-gimple.h.
16065 (walk_stmts): Make extern.
16066 * omp-builtins.def: New file.
16067 * tree-iterator.c (expr_only): Clarify comment.
16068 * c-common.h (pushdecl_top_level, pushdecl,
16069 build_modify_expr, build_indirect_ref,
16070 c_finish_omp_master, c_finish_omp_critical,
16071 c_finish_omp_ordered, c_finish_omp_barrier,
16072 c_finish_omp_atomic, c_finish_omp_flush,
16073 c_finish_omp_for, c_split_parallel_clauses,
16074 omp_clause_default_kind, c_omp_sharing_predetermined,
16075 c_omp_remap_decl): Declare.
16076 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16077 (OBJS-common): Add omp-low.o.
16078 (c-omp.o, omp-low.o): Add.
16079 (gimplify.o): Add dependency on $(OPTABS_H).
16080 (GTFILES): Add omp-low.c.
16081 (gt-stringpool.h): Add.
16082 * tree-cfg.c (set_bb_for_stmt): Do not update the
16083 block-to-labels map if we are currently expanding to RTL.
16084 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16086 Handle IDENTIFIER_NODE.
16087 (tree_verify_flow_info): Do not ICE when emitting error
16088 messages about invalid labels.
16089 (dump_function_to_file): Reset CFUN before emitting the body
16091 (debug_function): New.
16092 * passes.c (init_optimization_passes): Schedule
16094 * langhooks-def.h (lhd_omp_predetermined_sharing,
16095 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16097 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16098 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16099 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16100 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16101 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16102 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16103 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16104 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16105 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16106 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16107 (LANG_HOOK_DECLS): Use them.
16109 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16110 Richard Henderson <rth@redhat.com>
16111 Jakub Jelinek <jakub@redhat.com>
16112 Diego Novillo <dnovillo@redhat.com>
16114 * c-parser.c (pragma_omp_clause): Define.
16115 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16116 (c_parser_compound_statement): Likewise.
16117 (c_parser_statement): Likewise.
16118 (c_parser_pragma): Handle omp pragmas.
16119 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16120 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16121 (c_parser_omp_clause_name, check_no_duplicate_clause,
16122 c_parser_omp_variable_list,
16123 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16124 c_parser_omp_clause_copyprivate,
16125 c_parser_omp_clause_default,
16126 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16127 c_parser_omp_clause_lastprivate,
16128 c_parser_omp_clause_nowait,
16129 c_parser_omp_clause_num_threads,
16130 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16131 c_parser_omp_clause_reduction,
16132 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16133 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16134 c_parser_omp_atomic, c_parser_omp_barrier,
16135 c_parser_omp_critical, c_parser_omp_flush,
16136 c_parser_omp_for_loop, c_parser_omp_for,
16137 c_parser_omp_master, c_parser_omp_ordered,
16138 c_parser_omp_sections_scope, c_parser_omp_sections,
16139 c_parser_omp_parallel, c_parser_omp_single,
16140 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16141 * c-pragma.c (init_pragma): Do omp pragma registration here.
16142 * c.opt (fopenmp): New flag.
16144 2006-01-18 Eric Christopher <echristo@apple.com>
16146 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16147 * config/darwin.h (GOMP_SELF_SPECS): Define.
16149 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16151 * rtl.h: Remove the prototype for reg_alloc.
16153 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16156 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16157 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16158 sjlj and dwarf2 exception handling.
16159 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16160 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16161 * pa/pa.c (function_value): Treat complex and vector types as
16163 (function_arg): Likewise. Only pass scalar floats in the floating
16164 point argument registers.
16165 * pa/t-slibgcc-dwarf-ver: New file.
16166 * pa/t-slibgcc-sjlj-ver: New file.
16167 * pa/t-slibgcc-elf-ver: Delete file.
16169 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16171 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16172 unlikely_test_section_p test.
16174 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16176 * mode-switching.c (optimize_mode_switching): Make it static.
16177 * basic-block.h: Remove the prototype for
16178 optimize_mode_switching.
16180 * modulo-sched.c (sms_schedule): Make it static.
16181 * rtl.h: Remove the prototype for sms_schedule.
16183 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16184 * rtl.h: Remove the prototype for gcse_after_reload_main.
16186 * reg-stack.c (reg_to_stack): Make it static.
16187 * rtl.h: Remove the prototype for reg_to_stack.
16189 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16191 * rtl.h: Remove the prototypes for regrename_optimize and
16192 copyprop_hardreg_forward.
16194 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16196 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16197 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16198 Test against the appropriate null constant for the mode.
16199 If 'fixup_overlap' is true, swap the operands if they overlap.
16200 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16201 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16202 alpha_split_tmode_pair and adjust for above change.
16203 * config/alpha/alpha.md (movtf_internal): Adjust call to
16204 alpha_split_tfmode_pair and rely on it to swap the operands.
16205 (movti_internal): New insn and post-reload splitter.
16206 (movti): New expander.
16208 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16210 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16213 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16215 * rtlanal.c (global_reg_mentioned_p_1,
16216 global_reg_mentioned_p): Remove.
16217 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16219 * flow.c (initialize_uninitialized_subregs): Make it static.
16220 * rtl.h: Remove the prototype for
16221 initialize_uninitialized_subregs.
16223 * function.c (instantiate_virtual_regs): Make it static.
16224 * function.h: Remove the prototype for
16225 instantiate_virtual_regs.
16227 * regmove.c (regmove_optimize, combine_stack_adjustments):
16229 * rtl.h: Remove the prototypes for regmove_optimize and
16230 combine_stack_adjustments.
16232 2006-01-17 Roger Sayle <roger@eyesopen.com>
16234 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16235 (size_cost): Encode costs in bytes so that a reg-reg addition is
16236 equivalent to COSTS_N_INSNS(1).
16237 (override_options): Use the size_cost.branch_cost as the default
16238 ix86_branch_cost when optimizing for size.
16240 2006-01-18 Ben Elliston <bje@au.ibm.com>
16242 * Makefile.in (D32PBIT_FUNCS): New.
16243 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16244 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16245 D64PBIT_FUNCS and D128PBIT_FUNCS.
16246 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16247 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16249 (decnumber_dep): Define.
16250 * doc/libgcc.texi (Decimal float library routines): New node.
16251 * config/dfp-bit.h, config/dfp-bit.c: New files.
16253 2006-01-18 Ben Elliston <bje@au.ibm.com>
16255 * expr.c (emit_move_change_mode): Always adjust addresses, not
16256 just during reload. Copy replacements only during reload.
16257 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16258 emit_move_via_integer.
16260 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16262 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16263 instead of $(srcdir) and ${srcdir}.
16265 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16268 PR middle-end/11135
16269 * arm.h (struct machine_function): Add pic_reg.
16270 * arm.c (arm_pic_register): Make unsigned.
16271 (arm_override_options): Only set arm_pic_register if
16272 TARGET_SINGLE_PIC_BASE.
16273 (use_return_insn): Only test for a pic register if it is fixed.
16274 (arm_compute_save_reg0_reg12_mask): Likewise.
16275 (thumb_compute_save_reg_mask): Likewise.
16276 (legitimate_pic_operand): Factor out some known invariants.
16277 (legitimize_pic_address): If we don't have a fixed pic register,
16278 then set up a pseudo in the function entry sequence. Handle the
16279 pic base being in a pseudo.
16280 (arm_load_pic_register): Handle the pic register being in a pseudo.
16281 (arm_expand_prologue): Only set up the pic register if it is fixed.
16282 (thumb_expand_prologue): Likewise.
16283 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16284 (pic_load_addr_based_insn): Likewise.
16285 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16288 2006-01-18 Ben Elliston <bje@au.ibm.com>
16290 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16291 decimal float modes for all floating point registers.
16293 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16294 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16296 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16299 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16300 even when the pointer is not NULL.
16302 2006-01-16 Ian Lance Taylor <ian@airs.com>
16304 * common.opt (ftoplevel-reorder): New option.
16305 * cgraph.c (cgraph_asm_nodes): New global variable.
16306 (cgraph_asm_last_node): New static variable.
16307 (cgraph_order): New global variable.
16308 (cgraph_create_node): Set new order field.
16309 (cgraph_varpool_node): Likewise.
16310 (decide_is_variable_needed): Return true if not
16311 flag_toplevel_reorder.
16312 (cgraph_add_asm_node): New function.
16313 * cgraph.h (struct cgraph_node): Add order field.
16314 (struct cgraph_varpool_node): Add order field.
16315 (struct cgraph_asm_node): Define.
16316 (cgraph_asm_nodes, cgraph_order): Declare.
16317 (cgraph_add_asm_node): Declare.
16318 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16320 (cgraph_varpool_assemble_pending_decls): Call it.
16321 (cgraph_output_pending_asms): New static function.
16322 (cgraph_finalize_compilation_unit): Call it.
16323 (struct cgraph_order_sort): Define.
16324 (cgraph_output_in_order): New static function.
16325 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16326 !flag_toplevel_reorder case.
16327 * c-parser.c: Include "cgraph.h".
16328 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16330 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16331 than -fno-unit-at-a-time.
16332 * doc/invoke.texi (Option Summary): Mention
16333 -fno-toplevel-reorder.
16334 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16335 -funit-at-a-time documentation.
16337 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16338 Kazu Hirata <kazu@codesourcery.com>
16340 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16342 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16344 * Makefile.in (FUNCTION_H): New. Use it instead of
16345 function.h throughout the file.
16346 * function.h: Include tree.h.
16348 2006-01-17 Ben Elliston <bje@au.ibm.com>
16350 * recog.c: Separate some functions with whitespace.
16352 2006-01-16 Richard Henderson <rth@redhat.com>
16354 Merge from gomp branch:
16355 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16356 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16357 and rename from struct inline_data. Rename callee* to dst*;
16358 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16359 transform_new_cfg, transform_return_to_modify, and
16360 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16362 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16363 (copy_decl_for_dup): Remove.
16364 * tree-inline.c (struct inline_data): Move to header.
16365 (insert_decl_map): Export.
16366 (remap_decl): Update for member name changes. Use copy_decl hook.
16367 Allow for replacement to be a non-decl. Remove dead code.
16368 (remap_type_1): Check for existing mapping.
16369 (remap_type): Export.
16370 (remap_decls): Update for member name changes.
16371 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16372 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16373 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16374 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16375 (tree_function_versioning, build_duplicate_type): Likewise.
16376 (copy_body_r): Likewise. Export.
16377 (copy_decl_for_dup): Split into ...
16378 (copy_decl_for_dup_finish, copy_decl_to_var,
16379 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16380 (replace_ref_tree, inlining_p): Remove.
16382 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16384 * ifcvt.c (if_convert): Make it static.
16385 * rtl.h: Remove the prototype for if_convert.
16387 * local-alloc.c (local_alloc): Make it static.
16388 * rtl.h: Remove the prototype for local_alloc.
16390 * loop.c (loop_optimize): Make it static.
16391 * cfgloop.h: Remove the prototype for loop_optimize.
16394 2006-01-16 DJ Delorie <dj@redhat.com>
16396 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16399 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16401 * pa.md: Disparage copies between general and floating-point registers
16402 in 32-bit move patterns.
16404 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16407 * Makefile.in (check-%): Depend on site.exp instead of
16408 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16411 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16413 * global.c (global_alloc): Make it static.
16414 * rtl.h: Remove the prototype for global_alloc.
16416 2006-01-16 Richard Guenther <rguenther@suse.de>
16418 * tree-ssa-alias.c (struct used_part): Add write_only field.
16419 (get_or_create_used_part_for): Initialize it to true.
16420 (create_overlap_variables_for): Don't create structure variables
16421 for structures that only are written to.
16422 (find_used_portions): Handle MODIFY_EXPR to track whether a
16423 structure is only written to.
16425 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16427 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16429 * basic-block.h: Remove the prototype for
16430 partition_hot_cold_basic_blocks.
16432 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16434 * cppspec.c (lang_specific_spec_functions): Remove.
16435 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16436 * gcc.h (lang_specific_spec_functions): Remove.
16437 * gccspec.c (lang_specific_spec_functions): Remove.
16439 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16441 * combine.c (record_value_for_reg): Invalidate registers
16443 (record_dead_and_set_regs_1): Likewise, by passing them to
16444 record_value_for_reg.
16445 (record_dead_and_set_regs): Invalidate stores made by a
16446 call. We do not combine across a call, but we still
16447 relied on equivalences.
16449 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16451 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16452 vrp_int_const_binop returning non-constant nodes.
16454 2006-01-16 Paul Brook <paul@codesourcery.com>
16456 * config/m68k/m68k.c (output_move_const_into_data_reg):
16457 Output correct mnemonic for mvz and mvs.
16459 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16461 * rtl-factoring.c: Add sequence abstraction algorithm.
16462 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16463 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16465 (block_has_preserve_label): New function.
16466 * common.opt: Register new pass.
16467 * Makefile.in: Ditto.
16469 * timevar.def: Ditto.
16470 * tree-pass.h: Ditto.
16471 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16472 * rtl.h (make_jump_insn_raw): Add forward decl.
16473 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16475 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16476 Roger Sayle <roger@eyesopen.com>
16478 * fold-const.c (fold_minmax): New static function.
16479 (fold_binary) <MIN_EXPR>: Call it.
16480 <MAX_EXPR>: Likewise.
16481 * stor-layout.c (place_field): Use DECL_SIZE consistently
16482 in the computation of the new record size.
16484 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16486 * cse.c (cse_condition_code_reg): Make it static.
16487 * rtl.h: Remove the prototype for cse_condition_code_reg.
16489 * combine.c (combine_instructions): Make it static.
16490 * rtl.h: Remove the prototype for combine_instructions.
16492 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16495 * tree.c (get_file_function_name_long): Concatenate the first global
16496 object name with a string derived from the input filename of the object
16499 2006-01-16 Ben Elliston <bje@au.ibm.com>
16501 * config/i386/winnt-stubs.c: Update FSF address.
16502 * config/xtensa/ieee754-df.S: Ditto.
16503 * config/xtensa/ieee754-sf.S: Ditto.
16505 2006-01-14 Ian Lance Taylor <ian@airs.com>
16507 * ifcvt.c (noce_init_if_info): New static function, broken out of
16508 noce_process_if_block.
16509 (noce_process_if_block): Call noce_init_if_info.
16510 (check_cond_move_block): New static function.
16511 (cond_move_process_if_block): New static function.
16512 (process_if_block): Call cond_move_process_if_block.
16514 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16516 * cselib.c (hash_table): Rename to cselib_hash_table.
16517 (cselib_clear_table, discard_useless_values,
16518 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16519 cselib_init, cselib_finish): Adjust uses of hash_table.
16521 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16523 PR tree-optimization/25485
16524 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16525 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16526 is known to be false and true, respectively.
16528 2006-01-14 Richard Guenther <rguenther@suse.de>
16530 PR tree-optimization/22548
16531 PR tree-optimization/22555
16532 PR tree-optimization/22501
16533 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16534 * params.def (salias-max-array-elements): New parameter.
16535 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16536 * doc/invoke.texi (salias-max-array-elements): Document.
16537 * tree-flow-inline.h (var_can_have_subvars): We also handle
16539 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16541 * tree-ssa-structalias.c (params.h): Include.
16542 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16543 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16544 (get_constraint_for): For ADDR_EXPR operating on something
16545 containing an ARRAY_REF, add all subvars to the solution.
16546 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16547 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16548 for creating MUST_DEFs.
16549 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16551 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16553 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16555 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16556 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16557 number_of_iterations_le): New functions.
16558 (number_of_iterations_special): Removed.
16559 (number_of_iterations_exit): Do not use number_of_iterations_special.
16560 * tree.c (unsigned_type_for): Always return integer type.
16562 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16563 Richard Guenther <rguenther@suse.de>
16565 PR rtl-optimization/24257
16566 * gcse.c (find_moveable_store): Only consider a store movable
16567 when the SET_SRC of the insn can be assigned to a register.
16569 2006-01-14 Ian Lance Taylor <ian@airs.com>
16571 * tree.c (tree_not_class_check_failed): New function.
16572 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16573 (tree_not_class_check_failed): Declare.
16575 2006-01-13 Ian Lance Taylor <ian@airs.com>
16577 * reload1.c (do_output_reload): Add assertion rejecting a
16580 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16582 * combine.c (struct reg_stat): Add new fields truncation_label and
16584 (record_value_for_reg): Reset truncated_to_mode.
16585 (record_truncated_value): New function.
16586 (check_promoted_subreg): Call it. Rename to check_conversions.
16587 (combine_instructions): Rename check_promoted_subreg to
16589 (reg_truncated_to_mode): New function.
16590 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16591 (gen_lowpart_or_truncate): New function.
16592 (force_to_mode): Use it instead of gen_lowpart.
16594 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16596 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16597 VAR is a tag, not its type tag.
16599 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16601 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16602 alternatives to match style of other entries.
16603 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16605 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16607 PR tree-optimization/25771
16608 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16611 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16614 * tree-inline.c (declare_return_variable): If the return variable
16615 was marked as a non gimple complex, set the return slot variable
16616 to be a non gimple comple variable.
16618 2006-01-13 Richard Guenther <rguenther@suse.de>
16620 * builtins.c (expand_builtin_sincos): New function.
16621 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16623 (expand_builtin): Expand sincos using expand_builtin_sincos.
16625 2006-01-12 DJ Delorie <dj@redhat.com>
16627 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16628 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16629 so that constant shifts can be split.
16630 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16631 (m32c_valid_pointer_mode): Make static.
16632 (shift_gen_func_for): New.
16633 (m32c_prepare_shift): Use it. Split large const shifts into
16635 * config/m32c/predicates.md (shiftcount_operand): Allow more
16637 (longshiftcount_operand): New.
16638 * doc/md.texi (Machine Constraints): Document In6.
16640 2006-01-13 Ben Elliston <bje@au.ibm.com>
16642 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16643 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16646 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16648 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16649 to try to avoid clobbering pieces of structures when we know
16650 something about the whole structure.
16651 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16653 2006-01-13 Ben Elliston <bje@au.ibm.com>
16655 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16656 return in memory, as this is no limitation is no longer present.
16658 2006-01-12 DJ Delorie <dj@redhat.com>
16660 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16661 mova with fb, and for fb+0 -> An.
16663 * config/m32c/mov.md (peephole2): Fix enabling logic.
16665 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16666 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16667 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16668 FINI_ARRAY_SECTION_ASM_OP): Define.
16670 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16672 (m32c_legitimize_reload_address): New logic to reload FB to An.
16673 (m32c_output_reg_push): Add newline.
16674 (m32c_output_reg_pop): Likewise.
16676 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16678 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16680 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16682 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16684 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16686 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16689 2006-01-11 Ben Elliston <bje@au.ibm.com>
16691 * rtlanal.c (find_reg_note): Assert insn is not null.
16693 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16695 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16698 2006-01-11 Jeff Law <law@redhat.com>
16700 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16702 (mark_threaded_blocks, register_jump_thread): New functions.
16703 (thread_through_all_blocks): Remove unwanted argument. No
16704 longer rely on e->aux to communicate thread target info.
16705 Call mark_threaded_blocks. Release the threaded_blocks
16706 bitmap and threaded_edges vector when complete.
16707 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16708 (threaded_blocks): Remove.
16709 (tree_ssa_dominator_optimize): Remove initialization and
16710 finalization of threaded_blocks. Simplify call to
16711 thread_through_all_blocks.
16712 (thread_across_edge): Call register_jump_thread rather than
16713 storing thread information into e->aux.
16714 (free_all_edge_infos): Simplify now that e->aux is no longer
16715 used to communicate with thread_through_all_blocks.
16716 * tree-flow.h (thread_through_all_blocks): Update prototype.
16717 (register_jump_thread): Prototype.
16719 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16721 * df-core.c (df_compact_blocks, df_bb_replace): Use
16722 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16724 2006-01-11 Richard Guenther <rguenther@suse.de>
16726 PR tree-optimization/25734
16727 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16728 stop propagation after successful propagation to the LHS.
16730 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16732 * basic-block.h (control_flow_graph): Change the type of
16733 x_basic_block_info to VEC(basic_block,gc) *.
16734 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16736 (SET_BASIC_BLOCK): New.
16737 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16738 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16739 * cfgbuild.c (find_basic_blocks): Likewise.
16740 * cfglayout.c (fixup_reorder_chain): Likewise.
16741 * cfgrtl.c (create_basic_block_structure,
16742 rtl_create_basic_block): Likewise.
16743 * ifcvt.c (find_if_case_1): Likewise.
16744 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16747 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16749 * Makefile.in: Removed rotted odf.c entry.
16751 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16754 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16755 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16756 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16757 output pattern modifier, not %e.
16758 * config/cris/cris.c (cris_op_str): Update comment about pattern
16760 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16761 before falling through into...
16762 <case 'E'>: Redefined from old 'e' case.
16764 2006-01-11 Jan Hubicka <jh@suse.cz>
16767 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16769 2006-01-11 Jan Hubicka <jh@suse.cz>
16771 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16772 * i386.c (x86_decompose_lea): Kill.
16773 (ix86_rtx_costs): Kill.
16775 2006-01-11 Jan Hubicka <jh@suse.cz>
16777 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16778 * cgraph.h (cgraph_node): Add inline_decl.
16779 (cgraph_insert_node_to_hashtable): Declare.
16780 (save_inline_function_body): Declare.
16781 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16783 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16784 (cgraph_function_versioning): Update call of tree_function_versioning.
16785 (save_inline_function_body): New function.
16786 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16787 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16788 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16789 (cgraph_default_inline_p): Likewise.
16790 (cgraph_decide_inlining_incrementally): Likewise.
16791 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16792 (copy_bb): Kill saving; do updating of clones.
16793 (copy_cfg_body): Kill saving.
16794 (initialize_inlined-parameters): Likewise.
16795 (expand_call_inline): Likewise.
16797 (tree_function_versioning): New parameter "update_clones".
16798 (inlining_p): Kill saving.
16799 * tree-inline.h (tree_function_versioning): Update prototype.
16800 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16803 2006-01-11 Ian Lance Taylor <ian@airs.com>
16805 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16806 Allow undoing set of machine mode.
16807 (do_SUBST): Use enums instead of is_int.
16808 (do_SUBST_MODE): New function.
16809 (SUBST_MODE): New macro.
16810 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16811 reg and trying to replace reg_regno_rtx with a new register.
16812 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16813 (simplify_set): Use SUBST_MODE.
16814 (distribute_notes): Remove code that tried to update reg notes
16815 for regno_reg_rtx changes.
16817 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16819 PR tree-optimization/23109
16820 PR tree-optimization/23948
16821 PR tree-optimization/24123
16823 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16824 * tree-cfg.c (single_noncomplex_succ): New.
16825 * tree-flow.h (single_noncomplex_succ): Declare it.
16826 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16827 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16828 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16829 insert_bb, register_division_in, insert_reciprocals,
16830 replace_reciprocal, free_bb): New.
16831 (execute_cse_reciprocals_1): Rewritten.
16832 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16833 Do not commit any edge insertion. Always compute dominators and
16834 create the allocation pool.
16835 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16836 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16837 * targhooks.c (default_min_divistions_for_recip_mul): New.
16838 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16839 * passes.c (init_optimization_passes): Run recip after tree loop
16841 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16843 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16844 Kenneth Zadeck <zadeck@naturalbridge.com>
16846 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16847 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16848 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16849 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16850 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16851 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16852 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16853 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16854 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16855 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16856 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16857 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16858 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16859 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16860 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16861 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16862 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16863 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16864 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16865 DF_SCAN_POST_ALLOC): New macros.
16866 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16867 df_free_bb_function, df_local_compute_function, df_init_function,
16868 df_dataflow_function, df_confluence_function_0,
16869 df_confluence_function_n, df_transfer_function,
16870 df_finalizer_function, df_free_function, df_dump_problem_function,
16871 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16872 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16873 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16874 df_urec_bb_info, ) New types.
16875 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16877 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16878 df_analyze_simple_change_some_blocks,
16879 df_analyze_simple_change_one_block, df_compact_blocks,
16880 df_bb_replace, df_bb_regno_last_use_find,
16881 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16882 df_insn_regno_def_p, df_find_def, df_find_use,
16883 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16884 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16885 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16886 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16887 debug_df_chain, df_get_dependent_problem, df_chain_create,
16888 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16889 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16890 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16891 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16892 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16893 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16894 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16895 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16896 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16897 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16898 df_reorganize_refs, df_set_state, df_hard_reg_init,
16899 df_read_modify_subreg_p) New public functions.
16900 * df-core.c: The core dataflow solver and glue routines for rtl
16902 (df_init, df_add_problem, df_set_blocks, df_finish,
16903 df_hybrid_search_forward, df_hybrid_search_backward,
16904 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16905 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16906 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16907 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16908 df_reg_defined, df_find_use, df_reg_used, df_dump,
16909 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16910 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16911 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16912 debug_df_useno, reset_df_after_reload): New functions.
16913 * df-scan.c: The scanning fuctions, once in df.c, completely
16914 rewritten so that they now fully model the functionality of
16915 register usage at the backend.
16916 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16917 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16918 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16919 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16920 df_get_artificial_defs, df_get_artificial_uses,
16921 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16922 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16923 df_refs_delete, df_reorganize_refs, df_set_state,
16924 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16925 df_def_record_1, df_defs_record, df_uses_record,
16926 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16927 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16928 df_record_exit_block_uses, df_hard_reg_init): New functions.
16930 * df-problems.c: Seven concrete dataflow problems that use the
16931 scanning in df-scan.c and are solved by the engine in df-core.c.
16932 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16933 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16934 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16935 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16936 df_ru_free_bb_info, df_ru_alloc,
16937 df_ru_bb_local_compute_process_def,
16938 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16939 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16940 df_ru_transfer_function, df_ru_free, df_ru_dump,
16941 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16942 df_rd_free_bb_info, df_rd_alloc,
16943 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16944 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16945 df_rd_transfer_function, df_rd_free, df_rd_dump,
16946 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16947 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16948 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16949 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16950 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16951 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16952 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16953 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16954 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16955 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16956 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16957 df_urec_mark_reg_use_for_earlyclobber,
16958 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16959 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16960 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16961 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16962 df_chain_create_bb_process_use, df_chain_create_bb,
16963 df_chain_finalize, df_chain_free, df_chains_dump,
16964 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16965 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16966 df_reg_lifetime): New functions.
16967 * df.c: Deleted file.
16968 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16969 consistent with new df api.
16970 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16971 rest_of_handle_sms): Ditto.
16972 * web.c (unionfind_union, union_defs, entry_register, web_main):
16974 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16975 invariant_expr_equal_p, find_defs, check_dependencies,
16976 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16977 free_inv_motion_data, move_loop_invariants): Ditto.
16978 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16979 Update dependencies.
16980 (odf.c): Added defective entry that was deleted later in day.
16981 * sched-deps.c (sched_analyze_1): Ditto.
16983 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16985 * tree-ssa-operands.c (get_expr_operands): Record addressable
16986 variables directly. Do not call add_stmt_operands for CONST_DECLs
16988 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16989 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16991 2006-01-11 Ben Elliston <bje@au.ibm.com>
16993 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16994 function returns true in the positive case.
16996 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16999 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17000 for SI, DI, SF and DF modes. Add alternatives to copy between
17001 general and floating point registers to the 32-bit patterns.
17002 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17003 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17004 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17005 generating 64-bit code.
17006 * config/pa/pa.c (output_move_double): Handle copies between general
17007 and floating registers.
17009 2006-01-10 Stuart Hastings <stuart@apple.com>
17011 * config/i386/i386.md (set_got): Update.
17012 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17013 (builtin_setjmp_receiver): Mach-O support.
17014 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17015 (GOT_SYMBOL_NAME): Define.
17016 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17017 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17018 * config/i386/i386.c (override_options): Revise for Darwin.
17019 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17020 support. (darwin_x86_file_end): New. (output_set_got): Add label
17021 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17022 * config/i386/i386-protos.h (output_set_got): Likewise.
17023 * config/darwin.c (machopic_legitimize_pic_address): Update
17026 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17028 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17029 when MODE isn't BLKmode.
17031 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17033 PR rtl-optimization/25367
17034 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17036 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17039 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17040 for a negative bound.
17042 2006-01-10 Richard Guenther <rguenther@suse.de>
17044 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17045 Never override with anything constraint.
17047 2006-01-10 Jan Beulich <jbeulich@novell.com>
17049 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17050 256 bits when optimize_size.
17052 2006-01-10 Jan Beulich <jbeulich@novell.com>
17054 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17056 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17057 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17060 2006-01-10 Ben Elliston <bje@au.ibm.com>
17062 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17064 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17065 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17066 (USE_FP_FOR_ARG): Reject decimal float modes.
17067 (function_arg_advance): Likewise.
17068 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17069 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17070 point types in AltiVec vectors.
17071 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17072 (rs6000_libcall_value): Likewise.
17074 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17076 * config/xtensa/ieee754-df.S: New file.
17077 * config/xtensa/ieee754-sf.S: New file.
17078 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17079 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17080 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17082 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17084 * config/sh/predicates.md (binary_float_operator,
17085 binary_logical_operator, commutative_float_operator,
17086 equality_comparison_operator, greater_comparison_operator,
17087 less_comparison_operator, logical_operator,
17088 noncommutative_float_operator, shift_operator,
17089 symbol_ref_operand, unary_float_operator): Remove redundant
17092 2006-01-09 Jeff Law <law@redhat.com>
17094 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17095 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17096 now unused arguments. Callers updated.
17097 (eliminate_redundant_computations): Remove now unused arguments,
17099 (local_fold): Remove, no longer used.
17100 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17102 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17103 (simplify_cond): New function.
17104 (forward_propagate_into_cond): Call simplify_cond.
17106 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17108 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17109 (*vec_extractv2di_1_sse): New.
17111 2006-01-09 Ben Elliston <bje@au.ibm.com>
17113 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17115 2006-01-08 Richard Guenther <rguenther@suse.de>
17117 * tree-ssa-structalias.c (get_constraint_for): Remove
17118 anyoffset argument.
17119 (get_constraint_for_component_ref): Likewise.
17120 (do_deref): Likewise.
17121 (get_constraint_for): Likewise.
17122 (do_structure_copy): Likewise.
17123 (handle_ptr_arith): Likewise.
17124 (find_func_aliases): Likewise. Remove unused need_anyoffset
17127 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17128 Kaz Kojima <kkojima@gcc.gnu.org>
17130 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17131 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17132 (EXTRA_CONSTRAINT_C16): Remove.
17133 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17134 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17135 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17136 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17137 constants of SHmedia. Handle nested constant expressions of
17139 (andcosts): Fix the costs for SHmedia constants.
17140 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17141 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17142 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17143 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17144 (movv4hi_i, movv2si_i): Likewise.
17145 (movsi_const): Adjust the second operand of ior so to match with
17146 the Csu constraint.
17147 (movdi_const, movdi_const_32bit): Likewise.
17148 (movdi_const_16bit+1): Don't sign-extend LOW.
17149 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17151 (*double_shori): Fix the split condition. Use GEN_INT instead
17152 of get_int_mode calls. Mask lower 16-bit of the argument of
17154 (sym2GOTPLT): Remove.
17155 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17157 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17158 instead of EXTRA_CONSTRAINT_C16.
17160 2006-01-07 Ian Lance Taylor <ian@airs.com>
17161 David Edelsohn <edelsohn@gnu.org>
17163 PR rtl-optimization/25662
17164 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17165 for constant operands instead of simplify_gen_binary.
17166 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17167 after trying simplify_binary_operation
17169 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17171 * tree.c (iterative_hash_expr): Hash decls based on UID.
17173 2006-01-06 Eric Christopher <echristo@apple.com>
17175 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17176 (TARGET_UNWIND_EMIT): Fix spelling.
17177 * target.h (gcc_target): Add except_table_label.
17178 * except.c (output_function_exception_table): Use.
17179 * varasm.c (default_emit_except_table_label): New.
17180 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17182 (asm_out): Add here.
17183 * output.h (default_emit_except_table_label): Prototype.
17184 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17185 * config/darwin.c (darwin_emit_except_table_label): Define.
17186 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17188 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17190 PR tree-optimization/18527
17191 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17192 number_of_iterations_special, number_of_iterations_exit):
17193 Move base and step of an iv to a single structure. Add
17194 no_overflow flag, and use it in # of iterations analysis.
17195 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17196 folded_casts argument.
17197 (simple_iv): Pass base and step in a structure. Set no_overflow
17199 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17200 Evaluate expensiveness of computing # of iterations instead of
17201 the final expression.
17202 * tree-scalar-evolution.h (affine_iv): New structure.
17203 (simple_iv): Declaration changed.
17204 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17205 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17206 find_givs_in_stmt): Changed due to simple_iv change.
17208 2006-01-06 Jeff Law <law@redhat.com>
17211 * tree-cfg.c (bsi_replace): Rename final argument from
17212 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17213 change (stmt -> orig_stmt).
17214 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17215 (bsi_remove): Add new argument. Remove EH information
17217 (verify_eh_throw_table_statements): New function.
17218 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17220 * tree-optimize.c (execute_free_cfg_annotations): Verify
17221 the EH throw statement table after removing annotations.
17222 * except.h (verify_eh_throw_table_statements): Prototype.
17223 * tree-flow.h (bsi_remove): Update prototype.
17224 * tree-vrp.c (remove_range_assertions): Add new argument to
17226 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17227 * tree-complex.c (expand_complex_div_wide): Likewise.
17228 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17229 * tree-tailcall.c (eliminate_tailcall): Likewise.
17230 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17231 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17232 * tree-nrv.c (tree_nrv): Likewise.
17233 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17234 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17235 (combine_blocks): Likewise.
17236 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17237 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17238 (cleanup_control_flow): Likewise.
17239 (remove_forwarder_block): Likewise.
17240 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17241 * tree-sra.c (sra_replace): Likewise.
17242 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17243 (forward_propagate_single_use_vars): Likewise.
17244 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17245 * tree-inline.c (expand_call_inline): Likewise.
17246 * tree-vect-transform.c (vect_transform_loop): Likewise.
17247 * tree-outof-ssa.c (rewrite_trees): Likewise.
17248 * tree-cfg.c (make_goto_expr_edges): Likewise.
17249 (cleanup_dead_labels): Likewise.
17250 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17251 (bsi_move_before, bsi_move_after): Likewise.
17252 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17253 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17255 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17258 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17260 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17261 on non gimple variables. Also add checks at the top for decls and
17263 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17265 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17266 and IMAGPART_EXPR for creating MUST_DEFs.
17267 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17268 and NAME_MEMORY_TAG separately from the DECLs.
17270 2006-01-06 Richard Guenther <rguenther@suse.de>
17272 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17273 annotation, if necessary.
17274 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17275 redundant calls to update_stmt.
17276 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17279 2006-01-05 Richard Henderson <rth@redhat.com>
17281 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17283 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17285 * c-typeck.c: Update copyright date.
17287 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17289 * c-typeck.c (build_c_cast): Always warn when casting
17290 from a pointer to an integer of different size, even if
17291 the node was constant.
17293 2006-01-05 Richard Guenther <rguenther@suse.de>
17295 PR tree-optimization/22555
17296 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17297 if one structure field is an array.
17298 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17299 operands even if we found a subvar, but ignore VOPs in this
17301 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17303 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17305 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17307 PR middle-end/24998
17308 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17310 2006-01-05 Richard Guenther <rguenther@suse.de>
17311 Diego Novillo <dnovillo@redhat.com>
17313 * tree-pass.h (TODO_remove_unused_locals): Define.
17314 * gimple-low.c (expand_var_p, remove_useless_vars,
17315 pass_remove_useless_vars): Remove. Update all users.
17316 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17317 (remove_unused_locals): New function.
17318 * tree-flow.h (remove_unused_locals): Declare.
17319 * passes.c (execute_todo): Call remove_unused_locals if
17320 TODO_remove_unused_locals is set.
17321 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17322 * tree-ssa-dce.c (pass_dce): Likewise.
17323 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17325 2006-01-05 Richard Guenther <rguenther@suse.de>
17327 * tree-flow.h (struct fieldoff): Decompose field to
17328 type, size and decl.
17329 * tree-ssa-alias.c (create_sft): Take type as parameter.
17330 (create_overlap_variables_for): Store type, size and decl
17331 in the fieldoff structure.
17332 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17333 of struct fieldoff.
17334 (push_fields_onto_fieldstack): Likewise.
17335 (create_variable_info_for): Likewise. Use offset for the
17336 SFT name if the decl is not available.
17338 2006-01-04 Paul Brook <paul@codesourcery.com>
17340 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17342 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17344 * lambda-code.c (can_put_in_inner_loop): Relax
17346 (can_put_after_inner_loop): New function.
17347 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17348 (perfect_nestify): Change to make copies and modify uses.
17350 2006-01-04 Richard Henderson <rth@redhat.com>
17352 Merge from gomp branch:
17353 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17354 via integer constant.
17355 (pragma_lex): Remove.
17356 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17357 rather than parsing it.
17358 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17359 handle_pragma_extern_prefix): Add %< %> quotes.
17360 (registered_pragmas): New.
17361 (c_register_pragma_1): New.
17362 (c_register_pragma): Use it.
17363 (c_register_pragma_with_expansion): Likewise.
17364 (c_invoke_pragma_handler): New.
17365 (init_pragma): Use cpp_register_deferred_pragma directly for
17367 * c-pragma.h (enum pragma_kind): New.
17368 (pragma_handler): New.
17369 (c_invoke_pragma_handler): Declare.
17370 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17372 * c-common.h (c_common_pch_pragma): Update decl.
17373 * Makefile.in (c-parser.o): Update dependencies.
17374 (GTFILES): Add c-pragma.h.
17375 * c-parser.c (struct c_token): Add pragma_kind.
17376 (struct c_parser): Add in_pragma.
17377 (c_lex_one_token): Always initialize keyword and pragma_kind.
17378 Extract data for CPP_PRAGMA.
17379 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17380 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17381 Don't allow CPP_PRAGMA_EOL if in_pragma.
17382 (c_parser_consume_pragma): New.
17383 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17384 (c_parser_skip_to_end_of_parameter): Likewise.
17385 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17386 (c_parser_skip_to_pragma_eol): New.
17387 (c_parser_external_declaration): Handle CPP_PRAGMA.
17388 (c_parser_compound_statement_nostart): Likewise.
17389 (c_parser_statement_after_labels): Likewise.
17390 (c_parser_pragma): New.
17391 (pragma_lex): Likewise.
17392 (c_parser_pragma_pch_preprocess): New.
17393 (c_parser_new): Merge into ...
17394 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17396 2006-01-04 Jeff Law <law@redhat.com>
17399 * tree-cfg.c (bsi_replace): Remove the original statement
17400 from the EH throw statement table.
17402 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17404 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17405 make the prototype extern "C" and add throw ().
17408 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17409 and pos non-negative and pos + len <= 32.
17410 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17411 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17412 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17415 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17416 as well as sizes not multiple of component size.
17419 * function.c (instantiate_expr): New function.
17420 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17421 walk its DECL_VALUE_EXPR with instantiate_expr.
17423 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17424 DW_OP_deref{,_size} if address isn't going to be added.
17426 2006-01-04 Ben Elliston <bje@au.ibm.com>
17428 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17429 * config/fp-bit.c: Likewise.
17431 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17433 * dominance.c: Add comment about why we use DFS numbering
17436 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17437 Richard Henderson <rth@redhat.com>
17439 Merge from gomp-branch:
17440 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17441 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17443 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17445 PR rtl-optimization/25578
17446 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17447 pass a parameter to simplify_shift_const if changing ASHIFTRT
17450 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17452 * builtins.c (get_builtin_sync_mem): New function.
17453 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17454 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17455 Call get_builtin_sync_mem to generate mem rtx.
17457 2006-01-03 Richard Guenther <rguenther@suse.de>
17460 * stmt.c (add_case_node): Make sure to clear overflow flags
17463 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17465 Merge from gomp-branch.
17466 * config/sparc/sync.md: New file.
17467 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17468 UNSPECV_LDSTUB): New constants.
17469 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17470 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17471 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17474 2006-01-03 Roger Sayle <roger@eyesopen.com>
17476 * combine.c (reg_subword_p): New predicate to test whether the
17477 destination of a set refers to a subword/piece of a register.
17478 (try_combine): Generalize the code to merge the setting of a
17479 pseudo to a constant followed by a set of a subword of that
17480 register to a constant.
17482 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17484 * basic-block.h (control_flow_graph): Change the type of
17485 x_label_to_block_map to VEC(basic_block,gc) *.
17486 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17487 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17489 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17490 VEC(basic_block,heap) *.
17491 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17492 ssa_prop_fini): Adjust the uses of cfg_blocks.
17494 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17496 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17498 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17499 hashing trees instead of a pointer hash.
17500 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17501 compare for MEM_EXPR.
17503 PR rtl-optimization/25130
17504 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17505 when comparing MEMs for GCSE
17507 2006-01-03 Ben Elliston <bje@au.ibm.com>
17509 * targhooks.h (default_decimal_float_supported_p): Declare.
17510 * targhooks.c (default_decimal_float_supported_p): Define.
17511 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17512 `default_decimal_float_supported_p'.
17513 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17515 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17517 * combine.c (apply_distributive_law <SUBREG>): Check
17518 TRULY_NOOP_TRUNCATION.
17520 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17522 * dwarf2out.c (have_switched_text_section): Delete.
17523 (have_multiple_function_sections): New.
17524 (have_location_lists): Make 'bool'.
17525 (add_AT_loc_list): Use 'true' not '1'.
17526 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17527 (output_loc_list): Use have_multiple_function_sections.
17528 (output_ranges): Likewise.
17529 (dwarf2out_begin_function): Set have_multiple_function_sections if
17531 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17532 Check function_section rather than DECL_SECTION_NAME.
17533 (dwarf2out_finish): Use have_multiple_function_sections.
17534 Don't clear have_location_lists.
17536 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17537 Jan Hubicka <jh@suse.cz>
17539 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17540 case of conditional jump jumping to the next instruction.
17541 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17542 cases of conditional jump jumping to the next instruction.
17544 2006-01-02 Jan Hubicka <jh@suse.cz>
17546 * i386.c (*_cost): Add COSTS_N_INSNS.
17547 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17549 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17552 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17554 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17556 * config/arm/arm.c (all_fpus): Fix comment typo.
17557 * config/darwin.c: Likewise.
17558 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17559 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17560 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17562 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17564 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17565 (rs6000_split_compare_and_swapqhi): New.
17566 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17567 (sync_compare_and_swapqhi_internal): New.
17568 * config/rs6000/rs6000-protos.h: Declare.