1 2006-11-03 Geoffrey Keating <geoffk@apple.com>
3 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
4 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5 (grokdeclarator): Likewise.
7 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
9 * tree-dump.c (dump_enable_all): Rename local variable
10 ir_type to avoid name conflicts.
11 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
12 instead of using ir_type().
13 * profile.c (tree_register_profile_hooks): Likewise.
14 * value-prof.c (tree_register_value_prof_hooks): Likewise.
15 * basic-block.h (struct edge_def): Likewise.
16 * config/arm/arm.c (legitimize_pic_address): Likewise.
17 * coretypes.h (ir_type): New enum of all intermediate languages
19 * cfghooks.c (ir_type): Rename to...
20 (current_ir_type): ...this. Distinguish between cfgrtl and
21 cfglayout mode when the current IR is RTL. Return enum ir_type.
22 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
24 2006-11-03 Paul Brook <paul@codesourcery.com>
27 * config/arm/arm.c (arm_file_start): New function.
28 (TARGET_ASM_FILE_START): Define.
29 (arm_default_cpu): New variable.
30 (arm_override_options): Set arm_default_cpu.
32 2006-11-03 David Ung <davidu@mips.com>
34 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
35 PROCESSOR_24KC and PROCESSOR_24KF.
36 * config/mips/mips.c (mips_cpu_info_table): Add processor names
37 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
38 (mips_rtx_cost_data): Add costs for the 24kc.
39 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
40 * config/mips/24k.md: Remove references to 24k and replace with
41 uses of 24kc/24kf in the appropriate reservations.
42 * doc/invoke.texi (MIPS Options): Updated.
44 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
46 * config/sh/crt1.asm: Fix #ifdef indent.
48 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
49 Merged from STMicroelectronics sources:
50 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
51 * config/sh/crt1.asm (vbr_600): Add missing #if.
52 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
53 * sh.opt (mfused-madd): New option.
54 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
55 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
56 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
57 Remove pointless handler at VBR+0.
58 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
59 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
60 fr7. Make sure the timer handler is called with the correct FPU
61 precision setting, according to the ABI.
62 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
63 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
64 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
65 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
66 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
67 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
68 zero as second operand.
69 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
70 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
71 Fixed some bugs related to negative values, in particular -0
72 and overflow at -0x80000000.
73 * config/sh/divcost-analysis: Added sh4-300 figures.
74 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
75 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
76 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
77 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
78 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
79 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
81 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
83 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
84 SH4-300 scheduling description & fixes to SH4-[12]00 description:
85 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
86 mac_mem, mem_mac, dfp_mul, fp_cmp.
87 (insn_class, dfp_comp, any_fp_comp): Update.
88 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
89 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
91 (movsi_i): Split rI08 alternative into two separate alternatives.
93 (movsi_ie, movsi_i_lowpart): Likewise.
94 (movqi_i): Split ri alternative into two separate alternatives.
96 * sh1.md (sh1_load_store, sh1_fp): Update.
97 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
98 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
99 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
100 (sh4a_fp_double_arith): Likewise.
101 * sh4-300.md: New file.
102 * sh.c (sh_handle_option): Handle m4-300* options.
103 (sh_adjust_cost): Fix latency of auto-increments.
104 Handle SH4-300 differently than other SH4s. Check for new insn types.
105 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
106 been set by an option.
107 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
108 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
109 (mbranch-cost=): Likewise.
110 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
112 * sh.md (mulsf3): Remove special expansion code.
113 (mulsf3_ie): Now a define_insn_and_split.
114 (macsf3): Allow for TARGET_SH4.
116 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
117 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
118 (expand_cbranchdi4): Likewise.
119 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
120 CONST_DOUBLE if the outer code is COMPARE.
121 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
122 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
123 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
124 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
125 Remove redundant fp_{zero,one}_operand checks.
126 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
127 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
128 (expand_cbranchdi4): Likewise.
129 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
130 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
132 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
134 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
137 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
139 * doc/invoke.texi: Fix mfp-trap-mode typo.
141 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
143 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
144 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
145 file_end_indicate_exec_stack.
146 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
148 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
149 for a non-executable stack.
150 * crti.asm: Likewise.
151 * crtn.asm: Likewise.
152 * libunwind.S: Likewise.
154 2006-11-02 Ben Elliston <bje@au.ibm.com>
156 * tree-ssa.c (warn_uninit): Use expand_location variables for
157 locus and declaration locus.
159 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
162 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
163 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
164 cmp{eq,gt,gtu}{si,di}_media.
165 (*cmpne0si_media): Remove.
166 (*movsicc_umin): Adjust gen_cmp*_media call.
167 (unordered): Change the mode of unordered and operands[1] to
169 (seq): Adjust gen_cmp*_media calls. Make the mode of
170 a temporary result of compare SImode if needed. If the mode
171 of operands[0] is DImode, extend the temporary result to DImode.
172 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
173 (sunorderd): Change the mode of match_operand and unorderd to
175 (cmpeq{sf,df}_media): Remove.
176 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
177 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
178 and compare operation to SImode.
180 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
182 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
184 (sparc64-sun-solaris2*): Likewise.
186 2006-11-02 Paul Brook <paul@codesourcery.com>
188 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
189 from priority argument. Use different section for non-default
191 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
193 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
196 * except.c (switch_to_exception_section): Do not cache the section
197 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
198 and flag_function_sections is set.
200 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
203 * builtins.c (do_mpfr_sincos): New.
204 (fold_builtin_1): Use it to fold builtin sincos.
206 2006-11-01 Roger Sayle <roger@eyesopen.com>
208 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
209 it into -D_REENTRANT.
211 2006-11-01 Roger Sayle <roger@eyesopen.com>
213 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
214 whether the assembler supports taking the difference of symbols in
215 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
216 * configure: Regenerate.
217 * config.in: Regenerate.
218 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
219 the assembler doesn't support taking the difference of symbols in
220 different sections, i.e. we're using the native solaris assembler.
222 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
223 Peter Bergner <bergner@vnet.ibm.com>
225 * doc/invoke.texi: Add cpu_type power6x
226 (RS/6000 and PowerPC Options): Add -mmfpgpr.
227 * config.gcc: Add cpu_type power6x.
228 * configure.ac: Add test for mf{t,f}gpr instructions.
229 (HAVE_AS_MFPGPR): New.
230 * config.in: Regenerate.
231 * configure: Regenerate.
232 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
233 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
234 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
235 and mftgpr attributes.
236 (define_attr "cpu"): Add power6.
237 Change instruction sequences to use new attributes.
238 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
239 (fix_truncdfsi2_mfpgpr): New.
240 (floatsidf_ppc64_mfpgpr): New.
241 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
242 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
243 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
244 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
245 (fix_truncdfsi2): Use gpc_reg_operand constraint.
246 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
247 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
248 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
249 cntlz,exts and var_delayed_compare.
250 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
251 _ARCH_PWR6X, if features enabled.
252 * config/rs6000/rs6000.opt (mmfpgpr): New.
253 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
254 (cached_can_issue_more): New variable.
255 (processor_costs): Add power6_cost.
256 (rs6000_sched_init): New function.
257 (is_dispatch_slot_restricted): Deleted.
258 (set_to_load_agen): New function.
259 (is_load_insn,is_store_insn): New functions.
260 (adjacent_mem_locations): New function.
261 (insn_must_be_first_in_group): New function.
262 (insn_must_be_last_in_group): New function.
263 (rs6000_sched_reorder): New function.
264 (rs6000_sched_reorder2): New function.
265 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
266 TARGET_SCHED_REORDER2): Define.
267 (processor_target_table): Use PROCESSOR_POWER6 for power6.
268 Add power6x. Add MASK_MFPGPR for power6x.
269 (POWERPC_MASKS): Add MASK_MFPGPR.
270 (rs6000_override_options): Set rs6000_always_hint to false
271 for power6. Set rs6000_align_branch_targets. Replace
272 rs6000_sched_groups check with rs6000_align_branch_targets.
273 Use PROCESSOR_POWER6.
274 (last_scheduled_insn): New variable.
275 (load_store_pendulum): New variable.
276 (rs6000_variable_issue): Set last_scheduled_insn and
277 cached_can_issue_more.
278 (rs6000_adjust_cost): Add power6 cost adjustments.
279 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
280 with insn_must_be_first_in_group. Add power6 priority adjustments.
281 (rs6000_issue_rate): Add CPU_POWER6.
282 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
283 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
284 (TARGET_MFPGPR): New.
285 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
286 (ASM_CPU_SPEC): Add power6x.
287 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
289 * config/rs6000/power6.md: New file.
291 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
293 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
294 HOST_WIDE_INT_PRINT to print high and low parts. Use
295 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
296 printing a hexadecimal number prefix it with 0x.
298 2006-11-01 Chris Johns <chris@contemporary.net.au>
301 * Makefile.in (install-driver): Use exeext when installing
302 $target-gcc-$version.
304 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
306 * c-common.c (flag_cpp0x): New.
307 * c-common.h (flag_cpp0x): New.
308 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
309 supported, define __GXX_EXPERIMENTAL_CPP0X__.
310 * c-opts.c (set_std_cxx0x): New.
311 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
312 * c.opt (std=c++0x): Document.
313 (std=gnu++0x): Ditto.
314 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
315 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
317 2006-11-01 Richard Guenther <rguenther@suse.de>
319 * config/i386/i386.c (ix86_expand_rint): Fix issues with
321 (ix86_expand_floorceildf_32): Likewise.
322 (ix86_expand_floorceil): Likewise.
323 (ix86_expand_trunc): Likewise.
325 2006-10-31 Andrew Pinski <pinskia@gmail.com>
327 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
330 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
332 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
334 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
336 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
338 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
339 * configure.ac (use_cxa_atexit): As a special case, don't test
340 for libc definition of __cxa_atexit on mingw32
341 * configure: Regenerate.
342 * config.gcc (i[34567]86-pc-mingw32): Default to
343 enable__cxa_atexit=yes.
345 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
347 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
349 2006-10-31 Geoffrey Keating <geoffk@apple.com>
352 * c-decl.c (start_struct): Don't create self-containing
354 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
356 * config/rs6000/rs6000-protos.h
357 (darwin_rs6000_special_round_type_align): New.
358 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
359 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
361 2006-10-31 Geoffrey Keating <geoffk@apple.com>
363 * toplev.c (compile_file): Call final_write_globals
364 even if there have been errors.
366 2006-10-31 Eric Christopher <echristo@apple.com>
367 Falk Hueffner <falk@debian.org>
369 * doc/extend.texi (__builtin_bswap32): Document.
370 (__builtin_bswap64): Ditto.
371 * doc/libgcc.texi (bswapsi2): Document.
373 * doc/rtl.texi (bswap): Document.
374 * optabs.c (expand_unop): Don't widen a bswap.
375 (init_optabs): Init bswap. Set libfuncs explicitly
376 for bswapsi2 and bswapdi2.
377 * optabs.h (OTI_bswap): New.
378 (bswap_optab): Ditto.
379 * genopinit.c (optabs): Handle bswap_optab.
380 * tree.h (tree_index): Add TI_UINT32_TYPE and
382 (uint32_type_node): New.
383 (uint64_type_node): Ditto.
384 * tree.c (build_common_tree_nodes_2): Initialize
385 uint32_type_node and uint64_type_node.
386 * builtins.c (expand_builtin_bswap): New.
387 (expand_builtin): Call.
388 (fold_builtin_bswap): New.
389 (fold_builtin_1): Call.
390 * fold-const.c (tree_expr_nonnegative_p): Return true
392 * builtin-types.def (BT_UINT32): New.
394 (BT_FN_UINT32_UINT32): Ditto.
395 (BT_FN_UINT64_UINT64): Ditto.
396 * builtins.def (BUILT_IN_BSWAP32): New.
397 (BUILT_IN_BSWAP64): Ditto.
398 * rtl.def (BSWAP): New.
399 * genattrtab.c (check_attr_value): New.
400 * libgcc2.c (__bswapSI2): New.
402 * libgcc2.h (__bswapSI2): Declare.
404 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
405 * simplify-rtx.c (simplify_const_unary_operation): Return
407 * libgcc-std.ver (__bwapsi2): Add.
409 * reload1.c (eliminate_regs_1): Add bswap.
410 (elimination_effects): Ditto.
411 * config/i386/i386.h (x86_bswap): New.
413 * config/i386/i386.c (x86_bswap): Set.
415 2006-10-31 Geoffrey Keating <geoffk@apple.com>
417 * coverage.c (coverage_checksum_string): Update comment.
418 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
419 of get_file_function_name.
420 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
421 of get_file_function_name_long.
422 * tree.c (get_file_function_name): Rename from
423 get_file_function_name_long; improve comment; handle 'I' and 'D'
424 specially when the target has ctor/dtor support; remove special
426 (get_file_function_name): Remove.
427 * tree.h (get_file_function_name): Rename from
428 get_file_function_name_long.
429 (get_file_function_name): Remove prototype.
431 2006-10-31 Geoffrey Keating <geoffk@apple.com>
433 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
434 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
436 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
437 Call dsymutil when compiling and linking one or more source files
440 2006-10-31 Geoffrey Keating <geoffk@apple.com>
443 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
445 2006-10-31 Geoffrey Keating <geoffk@apple.com>
447 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
448 inline static functions in c99 mode.
451 * doc/extend.texi (Inline): Update.
452 * c-tree.h (struct language_function): Remove field 'extern_inline'.
453 * c-decl.c (current_extern_inline): Delete.
454 (pop_scope): Adjust test for an undefined nested function.
455 Add warning about undeclared inline function.
456 (diagnose_mismatched_decls): Update comments. Disallow overriding
457 of inline functions in a translation unit in C99. Allow inline
458 declarations in C99 at any time.
459 (merge_decls): Boolize variables. Handle C99 'extern inline'
461 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
462 C99 inline semantics.
463 (start_function): Don't clear current_extern_inline. Don't set
465 (c_push_function_context): Don't push current_extern_inline.
466 (c_pop_function_context): Don't restore current_extern_inline.
469 * c-typeck.c (build_external_ref): Warn about static variables
470 used in extern inline functions.
471 * c-decl.c (start_decl): Warn about static variables declared
472 in extern inline functions.
474 2006-10-31 Roger Sayle <roger@eyesopen.com>
477 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
478 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
479 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
480 or y is an even integer.
482 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
485 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
486 * gthr-posix95.h (__gthread_active_p): Likewise.
488 2006-10-31 Richard Guenther <rguenther@suse.de>
490 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
491 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
492 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
493 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
494 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
495 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
496 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
497 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
500 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
502 * opts.c (decode_options): Disable CSE skip blocks.
504 2006-10-30 Dirk Mueller <dmueller@suse.de>
506 * c-common.h (strict_aliasing_warning): Fix whitespace.
507 * c-decl (start_function): Move code for main decl warning ..
508 * c-common.c (check_main_parameter_types): .. here.
509 * c-common.h (check_main_parameter_types): Declare.
511 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
514 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
516 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
518 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
519 be a PARALLEL containing sets. Return false when out_pat is not
522 2006-10-30 Richard Sandiford <richard@codesourcery.com>
524 * config/mips/mips.md (mul<mode>3): Split into...
525 (mulsi3, muldi3): ...these separate patterns.
527 2006-10-30 Richard Sandiford <richard@codesourcery.com>
529 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
530 but with each set of options separated by spaces.
532 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
534 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
535 dwarf_reg_size_table has been initialized.
537 2006-10-30 Roger Sayle <roger@eyesopen.com>
539 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
540 * ddg.c (print_ddg_edge): Likewise.
541 * dwarf2out.c (prune_unused_types_walk): Likewise.
542 * ifcvt.c (noce_try_cmove_arith): Likewise.
543 * langhooks.c (add_builtin_function): Likewise.
544 * reg-stack.c (subst_stack_regs_pat): Likewise.
545 * tree.c (expanded_location): Likewise.
546 * tree-dump.c (dequeue_and_dump): Likewise.
548 2006-10-30 David Daney <ddaney@avtrex.com>
550 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
552 2006-10-30 Jakub Jelinek <jakub@redhat.com>
554 PR tree-optimization/29637
555 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
556 of the innertype is the innertype itself.
558 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
560 * dwarf2out.c (file_name_acquire): Correct typo.
562 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
564 * tree.h (tree_value_handle): Remove struct value_set declaration.
565 Change value_set to bitmap_set.
566 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
567 * tree-vn.c (get_value_handle): Made inline and moved to
569 * tree-flow-inline.h: (has_stmt_ann): New function.
570 * tree-ssa-pre.c (expressions): New variable.
571 (next_expression_id): Ditto.
572 (alloc_expression_id): New function.
573 (struct value_set): Remove.
574 (get_expression_id): New function.
575 (get_or_alloc_expression_id): Ditto.
576 (expression_for_id): Ditto.
577 (clear_expression_ids): Ditto.
578 (FOR_EACH_EXPR_ID_IN_SET): New macro.
579 (bb_value_sets): Renamed to bb_bitmap_sets.
580 All value sets replaced with bitmap_sets.
582 (BB_VISITED): New macro.
583 (postorder): New variable.
584 (add_to_value): Removed.
585 (value_exists_in_set_bitmap): Ditto.
586 (value_insert_into_set_bitmap): Ditto.
590 (set_contains_value): Ditto.
591 (insert_into_set): Ditto.
593 (find_leader): Ditto.
594 (bitmap_set_subtract_from_value_set): Ditto.
595 (value_insert_into_set): Ditto.
596 (print_value_set): Ditto.
597 (debug_value_set): Ditto.
598 (constant_expr_p): New function.
599 (bitmap_remove_from_set): Ditto.
600 (bitmap_insert_into_set): Ditto.
601 (bitmap_set_free): Ditto.
603 (sorted_array_from_bitmap_set): Ditto.
604 (bitmap_set_subtract): Ditto.
605 (bitmap_set_equal): Ditto.
606 (debug_bitmap_set): Ditto.
607 (find_leader_in_sets): Ditto.
608 (bitmap_set_replace_value): Modify for bitmapped sets.
609 (phi_translate): Ditto.
610 (phi_translate_set): Ditto.
611 (bitmap_find_leader): Ditto.
612 (valid_in_sets): Ditto.
613 (union_contains_value): Ditto.
615 (compute_antic_aux): Ditto. Mark changed blocks.
616 (compute_antic): Ditto. Iterate in postorder and only over
618 (compute_rvuse_and_antic_safe): Reuse postorder.
619 (create_component_ref_by_pieces): Modify for bitmapped sets.
620 (find_or_generate_expression): Ditto.
621 (create_expression_by_pieces): Ditto.
622 (insert_into_preds_of_block): Ditto.
623 (changed_blocks): New variable.
624 (do_regular_insertion): Broken out from insert_aux.
625 (insert_aux): Modified for bitmapped sets.
626 (find_existing_value_expr): New function.
627 (create_value_expr_from): Use it.
628 (insert_extra_phis): Removed.
629 (print_bitmap_set): Renamed from bitmap_print_value_set.
630 (compute_avail): Handle RETURN_EXPR.
631 (init_pre): Modify for bitmapped sets.
632 * tree-flow.h (has_stmt_ann): New function.
634 2006-10-29 Roger Sayle <roger@eyesopen.com>
636 * builtins.c (fold_builtin_floor): Check for the availability of
637 the C99 trunc function before transforming floor into trunc.
639 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
641 * builtins.c (fold_builtin_hypot): Rearrange recursive
642 transformation before others, and also do ABS_EXPR. When
643 necessary, check flag_unsafe_math_optimizations. When necessary,
646 2006-10-29 Roger Sayle <roger@eyesopen.com>
648 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
649 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
650 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
651 Fold -X eq/ne -Y as X eq/ne Y.
653 2006-10-29 Richard Sandiford <richard@codesourcery.com>
655 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
656 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
657 rather than GENERATE_MULT3_SI in the various define_peephole2s.
658 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
659 Use an inclusive test for "mult" rather than "mul".
660 (rotr<mode>3): Depend on ISA_HAS_ROR.
661 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
663 (GENERATE_MULT3_DI): Delete.
664 (ISA_HAS_64BIT_REGS): Use consistent formatting.
665 (ISA_HAS_MUL3): New macro.
666 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
667 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
668 (ISA_HAS_CLZ_CLO): Likewise.
669 (ISA_HAS_DCLZ_DCLO): Delete.
670 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
671 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
672 the VR4120 and VR4130.
673 (ISA_HAS_MACCHI): Use consistent formatting.
674 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
675 (ISA_HAS_ROR): ...this new macro.
676 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
677 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
678 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
680 2006-10-29 Roger Sayle <roger@eyesopen.com>
682 PR tree-optimization/15458
683 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
686 2006-10-29 Richard Guenther <rguenther@suse.de>
688 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
689 (ix86_expand_truncdf_32): Likewise.
690 * config/i386/i386.c (ix86_expand_trunc): New function expanding
691 trunc inline for SSE math and -fno-trapping-math and if not
693 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
694 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
695 for expanding btrunc inline for SSE math.
697 2006-10-29 Joseph Myers <joseph@codesourcery.com>
699 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
700 Handle tuning for bi-arch i[34567]86-*-linux* like that for
701 i[34567]86-*-solaris2.1[0-9]*.
702 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
703 Define conditionally depending on TARGET_64BIT_DEFAULT.
704 (SPEC_32, SPEC_64): Define.
705 (LINK_SPEC): Use them.
706 * doc/install.texi (--enable-targets=all): Document for x86-linux.
708 2006-10-29 Richard Guenther <rguenther@suse.de>
710 * config/i386/i386-protos.h (ix86_expand_round): Declare.
711 (ix86_expand_rounddf_32): Likewise.
712 * config/i386/i386.c (ix86_expand_round): New function expanding
713 round inline for SSE math and -fno-trapping-math and if not
715 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
716 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
717 round via ix86_expand_round.
719 2006-10-29 Richard Guenther <rguenther@suse.de>
721 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
722 (ix86_expand_floorceildf_32): Likewise.
723 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
724 static helper function.
725 (ix86_expand_floorceil): Expander for floor and ceil to SSE
727 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
728 * config/i386/i386.md (floordf2): Adjust to enable floor
729 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
730 -fno-trapping-math is enabled and if not optimizing for size.
731 (floorsf2, ceildf2, ceilsf2): Likewise.
732 * config/i386/sse.md (sse_maskcmpsf3): New insn.
733 (sse2_maskcmpdf3): Likewise.
735 2006-10-29 Richard Guenther <rguenther@suse.de>
737 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
738 rint in case -fno-trapping-math is enabled.
739 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
740 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
741 (ix86_expand_sse_fabs): Likewise.
742 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
743 * config/i386/i386.md (rintdf2): Enable for SSE math if
744 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
747 2006-10-29 Richard Guenther <rguenther@suse.de>
749 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
750 to conversion optabs.
751 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
753 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
754 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
755 (lfloor_optab, lceil_optab): Adjust defines.
756 * builtins.c (expand_builtin_int_roundingfn): Adjust for
757 lfloor and lceil optabs now being conversion optabs.
758 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
759 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
760 New static helper function.
761 (ix86_expand_lfloorceil): New function to expand lfloor and
763 * config/i386/i386.md (lfloor<mode>2): Split into ...
764 (lfloorxf<mode>2): ... x87 variant
765 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
766 using ix86_expand_lfloorceil.
767 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
769 * doc/md.texi (lfloorMN, lceilMN): Document.
771 2006-10-29 Richard Sandiford <richard@codesourcery.com>
773 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
774 -mno-shared assembler option on mips targets.
775 * configure, config.in: Regenerate.
776 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
777 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
778 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
780 2006-10-29 Richard Sandiford <richard@codesourcery.com>
782 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
783 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
785 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
787 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
788 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
791 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
794 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
795 (fold_builtin_pow): Evaluate constant arguments at compile-time
797 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
798 (do_mpfr_ckconv): New helper function.
799 (do_mpfr_arg1): Use do_mpfr_ckconv.
802 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
805 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
806 (-fdump-rtl-sched): Rename to ..
807 (-fdump-rtl-sched1): here. Also fix file extension number.
809 2006-10-28 Richard Guenther <rguenther@suse.de>
811 * fold-const.c (maybe_canonicalize_comparison): Fix code
814 2006-10-28 Uros Bizjak <uros@kss-loka.si>
816 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
817 (NON_QI_REG_P): Use IN_RANGE.
818 (REX_INT_REGNO_P): Use IN_RANGE.
819 (FP_REGNO_P): Use IN_RANGE.
820 (SSE_REGNO_P): Use IN_RANGE.
821 (REX_SSE_REGNO_P): Use IN_RANGE.
822 (MMX_REGNO_P): Use IN_RANGE.
823 (STACK_REGNO_P): New macro.
824 (STACK_REG_P): Use STACK_REGNO_P.
825 (NON_STACK_REG_P): Use STACK_REGNO_P.
826 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
827 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
828 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
829 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
830 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
832 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
834 * except.h (output_function_exception_table): Add 'const char*' param.
835 * except.c (switch_to_exception_section): Add 'const char*' param.
836 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
837 and flag_function_sections is set, use a function-specific section.
838 (output_function_exception_table): Add 'const char*' param.
839 Adjust call to switch_to_exception_section.
840 * final.c (rest_of_handle_final): Adjust calls to
841 output_function_exception_table.
842 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
843 * config.in: Regenerate.
844 * configure: Likewise.
846 2006-10-28 Richard Guenther <rguenther@suse.de>
849 * fold-const.c (maybe_canonicalize_comparison_1): Helper
850 for maybe_canonicalize_comparison.
851 (maybe_canonicalize_comparison): New function for canonicalizing
853 (fold_comparison): Call it to canonicalize comparisons with
856 2006-10-28 Richard Guenther <rguenther@suse.de>
859 * builtins.c (expand_builtin_int_roundingfn_2): Expand
860 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
861 (expand_builtin): Adjust likewise.
862 * genopinit.c (optabs[]): Add lround optab.
863 * optabs.c (init_optabs): Initialize lround_optab.
864 * optabs.h (enum convert_optab_index): Add COI_lround.
865 (lround_optab): Define.
866 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
867 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
869 (ix86_expand_lround): New function.
870 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
872 * doc/md.texi (lroundMN2): Document.
874 2006-10-28 Uros Bizjak <uros@kss-loka.si>
877 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
878 argument to HOST_WIDE_INT. Update function prototype.
879 (round_frame_size): Change return type to HOST_WIDE_INT. Change
880 "size" argument to HOST_WIDE_INT. Update function prototype.
882 2006-10-28 Uros Bizjak <uros@kss-loka.si>
884 * config/i386/i386.c (output_387_ffreep): Create output from a
885 template string for !HAVE_AS_IX86_FFREEP.
887 2006-10-27 Eric Christopher <echristo@apple.com>
889 * config/darwin.c: Fix formatting and grammar.
891 2006-10-27 Jan Hubicka <jh@suse.cz>
893 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
894 to be thrown away soon when IGNORE is set.
895 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
896 indicating when return value shall not be computed.
897 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
899 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
901 * config/i386/i386.h (TARGET_GEODE):
902 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
903 (TARGET_CPU_DEFAULT_geode): New macro.
904 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
905 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
906 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
907 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
908 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
910 (TARGET_CPU_DEFAULT_NAMES): Add geode.
911 (processor_type): Add PROCESSOR_GEODE.
913 * config/i386/i386.md: Include geode.md.
916 * config/i386/i386.c (geode_cost): New initialized global
918 (m_GEODE, m_K6_GEODE): New macros.
919 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
920 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
921 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
922 x86_schedule): Use m_K6_GEODE instead of m_K6.
923 (x86_movx, x86_cmove): Set up m_GEODE.
924 (x86_integer_DFmode_moves): Clear m_GEODE.
925 (processor_target_table): Add entry for geode.
926 (processor_alias_table): Ditto.
928 * config/i386/geode.md: New file.
930 * doc/invoke.texi: Add entry about geode processor.
932 2006-10-27 Mike Stump <mrs@apple.com>
934 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
935 __DYNAMIC__ from here back to ...
936 * config/darwin.h (CPP_SPEC): ... here.
938 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
939 Nathan Sidwell <nathan@codesourcery.com>
941 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
942 when choosing the minimum heapsize.
944 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
946 * gcc/unwind-dw2.h: Move cfa-related variables into
947 struct frame_state_reg_info to ensure that the CFA is properly
948 handled when executing DW_CFA_{remember,restore}_state.
949 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
950 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
951 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
952 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
953 gcc/config/rs6000/linux-unwind.h,
954 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
955 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
956 Modify to use new cfa_* fields.
958 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
960 * config/s390/s390.c (s390_init_frame_layout): Check positive
963 2006-10-26 Ben Elliston <bje@au.ibm.com>
965 * gimplify.c (get_name): Remove extraneous break.
966 (gimplify_omp_for): Initialise ret with GS_OK.
968 2006-10-25 Steve Ellcey <sje@cup.hp.com>
970 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
971 Add unix98.o to link line.
973 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
976 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
977 Calculate compile-time constants using MPFR.
978 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
979 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
981 2006-10-25 Bob Wilson <bob.wilson@acm.org>
983 * config/xtensa/lib2funcs.S: Use C-style comments.
985 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
987 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
988 (file_table_relative_p): Likewise.
989 (dwarf2out_finish): Likewise.
990 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
992 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
994 * tree-ssa-structalias.c (intra_create_variable_infos):
995 Don't recreate nonlocal_all if it already exists.
997 2006-10-25 Richard Guenther <rguenther@suse.de>
1000 * optabs.h (enum optab_index): Remove OTI_lrint.
1001 (enum convert_optab_index): Add COI_lrint.
1002 (lrint_optab): Adjust.
1003 (expand_sfix_optab): Declare.
1004 * optabs.c (expand_sfix_optab): New function.
1005 (init_optabs): Init lrint_optab as conversion optab.
1006 * genopinit.c (lrint_optab): Change to a conversion optab.
1007 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1008 expansion via conversion optab.
1009 * config/i386/i386.md (*fistdi2_1): Remove
1010 flag_unsafe_math_optimizations guard.
1011 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1012 fist<mode>2_with_temp): Likewise.
1013 (lrint<mode>2): Split into...
1014 (lrintxf<mode>2): ... x87 part
1015 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1016 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1017 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1018 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1019 * doc/md.texi (lrintMN2): Document.
1021 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1024 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1025 Use inc and dec instructions for TARGET_USE_INCDEC.
1026 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1027 ("sync_double_compare_and_swap<mode>"): Likewise.
1028 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1029 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1030 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1031 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1032 ("sync_old_add<mode>"): Likewise.
1033 ("sync_lock_test_and_set<mode>"): Likewise.
1034 ("sync_lock_test_and_set<mode>"): Likewise.
1035 ("sync_add<mode>"): Likewise.
1036 ("sync_sub<mode>"): Likewise.
1037 ("sync_ior<mode>"): Likewise.
1038 ("sync_and<mode>"): Likewise.
1039 ("sync_xor<mode>"): Likewise.
1041 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1043 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1044 (remainder_optab): Define corresponding macro.
1045 (drem_optab): Remove.
1046 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1047 drem_optab initialization.
1048 * genopinit.c (optabs): Implement remainder_optab using
1049 remainder?f3 patterns. Remove drem_optab.
1050 * builtins.c (expand_builtin_mathfn_2): Handle
1051 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1052 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1053 expand_builtin_mathfn_2.
1055 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1056 depend on flag_unsafe_math_optimizations.
1058 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1059 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1060 Do not depend on flag_unsafe_math_optimizations. Use
1061 truncxf?f expander instead of truncxf?f_i387_noop.
1063 ("fpremxf4", "fprem1xf4"): Do not depend on
1064 flag_unsafe_math_optimizations.
1065 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1066 flag_unsafe_math_optimizations. Use truncxf?f expander
1067 instead of truncxf?f_i387_noop.
1069 * doc/md.texi (fmod, remainder): Document standard named pattern.
1071 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1072 David Daney <ddaney@avtrex.com>
1075 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1077 2006-10-25 Ben Elliston <bje@au.ibm.com>
1079 * doc/extend.texi (Variable Attributes): Typo fix.
1081 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1083 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1084 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1085 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1086 (FRAME_POINTER_REGNUM): Update register number to 21.
1087 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1088 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1090 * config/i386/i386.c (regclass_map): Add fpcr entry.
1091 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1093 (print_reg): Assert REGNO (x) != FPCR_REG.
1095 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1096 (DIRFLAG_REG): Renumber.
1097 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1098 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1099 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1100 hardcoded SSE register numbers.
1102 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1103 hardcoded MMX register numbers.
1105 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1108 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1109 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1111 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1112 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1113 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1114 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1116 2006-10-24 Richard Guenther <rguenther@suse.de>
1119 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1120 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1121 for deciding optimizations in consistency with fold-const.c
1122 (fold_builtin_unordered_cmp): Likewise.
1124 2006-10-24 Richard Guenther <rguenther@suse.de>
1126 * builtins.c (fold_builtin_floor): Fold floor (x) where
1127 x is nonnegative to trunc (x).
1128 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1129 nonnegative to FIX_TRUNC_EXPR.
1131 2006-10-24 Richard Guenther <rguenther@suse.de>
1133 PR tree-optimization/29567
1134 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1135 for TRUTH_NOT_EXPR. Clarify comments.
1137 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1140 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1141 at compile-time using MPFR. Change parameter VALUE to FUNC,
1143 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1144 for overflow and underflow at all times and avoid folding in
1147 2006-10-24 Ben Elliston <bje@au.ibm.com>
1149 * reload1.c: Formatting fixes.
1151 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1153 PR tree-optimization/14784
1154 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1155 * tree-ssa-structalias.c (get_constraint_for,
1156 intra_create_variable_infos): Set is_heapvar.
1157 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1158 non-heapvar pointer variables specially.
1160 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1163 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1164 fold_builtin_tan): Fold all constant arguments. Take a "type"
1165 argument as necessary.
1166 (do_mpfr_arg1): New.
1167 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1169 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1171 * config/xtensa/lib1funcs.asm: Use C-style comments.
1173 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1175 * tree.c (local_define_builtin): Replace calls to
1176 lang_hooks.builtin_function with add_builtin_function.
1177 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1179 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1181 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1182 common code to add_builtin_function.
1183 * langhooks.c (add_builtin_function): New function.
1184 (lhd_builtin_function): New function.
1185 * langhooks.h (struct lang_hooks): Change the signature of
1187 (add_builtin_function): New function.
1188 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1189 calls to lang_hooks.builtin_function with add_builtin_function.
1190 * c-common.c (decl_builtin_1): Replace calls to
1191 lang_hooks.builtin_function with add_builtin_function.
1192 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1193 lang_hooks.builtin_function with add_builtin_function.
1194 * config/frv/frv.c (def_builtin): Replace calls to
1195 lang_hooks.builtin_function with add_builtin_function.
1196 * config/s390/s390.c (s390_init_builtins): Replace calls to
1197 lang_hooks.builtin_function with add_builtin_function.
1198 * config/sparc/sparc.c (def_builtin): Replace calls to
1199 lang_hooks.builtin_function with add_builtin_function.
1200 * config/i386/i386.c (def_builtin): Replace calls to
1201 lang_hooks.builtin_function with add_builtin_function.
1202 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1203 lang_hooks.builtin_function with add_builtin_function.
1204 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1205 lang_hooks.builtin_function with add_builtin_function.
1206 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1207 Replace calls to lang_hooks.builtin_function with
1208 add_builtin_function.
1209 * config/iq2000/iq2000.c (def_builtin):
1210 Replace calls to lang_hooks.builtin_function with
1211 add_builtin_function.
1212 * config/ia64/ia64.c (def_builtin): Replace calls to
1213 lang_hooks.builtin_function with add_builtin_function.
1214 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1215 lang_hooks.builtin_function with add_builtin_function.
1216 (altivec_init_builtins): Replace calls to
1217 lang_hooks.builtin_function with add_builtin_function.
1218 * config/arm/arm.c (def_mbuiltin): Replace calls to
1219 lang_hooks.builtin_function with add_builtin_function.
1220 (arm_init_tls_builtins): Replace calls to
1221 lang_hooks.builtin_function with add_builtin_function.
1222 * config/mips/mips.c (mips_init_builtins): Replace calls to
1223 lang_hooks.builtin_function with add_builtin_function.
1224 * config/bfin/bfin.c (def_builtin): Replace calls to
1225 lang_hooks.builtin_function with add_builtin_function.
1226 * langhooks-def.h (lhd_builtin_function): New function.
1227 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1229 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1231 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1232 BUILT_IN_STRNCAT_CHK.
1234 2006-10-23 Jan Hubicka <jh@suse.cz>
1236 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1237 don't do conversion from memmove to memcpy here.
1238 (expand_builtin_bcopy, expand_builtin): Update call of
1239 expand_builtin_memmove.
1240 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1242 2006-10-23 Paul Brook <paul@codesourcery.com>
1244 * stor-layout.c (start_record_layout): maximum_field_alignment
1245 overrides STRUCTURE_SIZE_BOUNDARY.
1247 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1249 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1250 nonlocal function symbols if flag_pic.
1252 2006-10-23 Richard Guenther <rguenther@suse.de>
1256 * builtins.c (fold_binary): Remove checks for flag_wrapv
1257 and flag_trapv where negate_expr_p covers these cases.
1259 2006-10-23 Richard Guenther <rguenther@suse.de>
1262 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1263 of two on the absolute value.
1264 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1265 and negating -C does not overflow.
1267 2006-10-23 Richard Guenther <rguenther@suse.de>
1270 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1271 only if not flag_rounding_math.
1273 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1274 Kaz Kojima <kkojima@gcc.gnu.org>
1277 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1278 SImode memory reference for the source of a movua.
1279 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1280 (movua): Use an unspec instead of sign_extract. Expect the source
1281 to have mode BLKmode.
1282 (extv, insv): Use a BLKmode rather than SImode memory reference
1283 for the source of a movua.
1285 2006-10-22 Jeff Law <law@redhat.com>
1286 Richard Guenther <rguenther@suse.de>
1288 PR tree-optimization/15911
1289 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1290 (register_edge_assert_for_1): Likewise.
1291 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1292 (find_conditional_asserts): Adjust for new function signature.
1293 (find_assert_locations): Likewise.
1295 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1297 * config/i386/tmmintrin.h: Remove the duplicated content.
1299 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1301 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1302 (x86_64-*-*): Likewise.
1304 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1305 (override_options): Check SSSE3.
1306 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1307 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1308 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1309 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1310 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1311 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1312 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1313 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1314 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1315 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1316 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1317 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1318 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1319 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1320 IX86_BUILTIN_PABSD128.
1321 (bdesc_2arg): Add SSSE3.
1322 (bdesc_1arg): Likewise.
1323 (ix86_init_mmx_sse_builtins): Support SSSE3.
1324 (ix86_expand_builtin): Likewise.
1325 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1327 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1328 (UNSPEC_PSIGN): Likewise.
1329 (UNSPEC_PALIGNR): Likewise.
1330 Include mmx.md before sse.md.
1332 * config/i386/i386.opt: Add -mssse3.
1334 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1335 (ssse3_phaddwv4hi3): Likewise.
1336 (ssse3_phadddv4si3): Likewise.
1337 (ssse3_phadddv2si3): Likewise.
1338 (ssse3_phaddswv8hi3): Likewise.
1339 (ssse3_phaddswv4hi3): Likewise.
1340 (ssse3_phsubwv8hi3): Likewise.
1341 (ssse3_phsubwv4hi3): Likewise.
1342 (ssse3_phsubdv4si3): Likewise.
1343 (ssse3_phsubdv2si3): Likewise.
1344 (ssse3_phsubswv8hi3): Likewise.
1345 (ssse3_phsubswv4hi3): Likewise.
1346 (ssse3_pmaddubswv8hi3): Likewise.
1347 (ssse3_pmaddubswv4hi3): Likewise.
1348 (ssse3_pmulhrswv8hi3): Likewise.
1349 (ssse3_pmulhrswv4hi3): Likewise.
1350 (ssse3_pshufbv16qi3): Likewise.
1351 (ssse3_pshufbv8qi3): Likewise.
1352 (ssse3_psign<mode>3): Likewise.
1353 (ssse3_psign<mode>3): Likewise.
1354 (ssse3_palignrti): Likewise.
1355 (ssse3_palignrdi): Likewise.
1356 (abs<mode>2): Likewise.
1357 (abs<mode>2): Likewise.
1359 * config/i386/tmmintrin.h: New file.
1361 * doc/extend.texi: Document SSSE3 built-in functions.
1363 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1365 2006-10-22 Ira Rosen <irar@il.ibm.com>
1367 * tree-vect-transform.c (vectorizable_load): Use the type of the
1368 return value of the mask_for_load builtin to create realign_load
1371 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1373 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1376 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1378 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1379 (UNSPEC_LDDQU): This.
1380 * config/i386/sse.md (sse3_lddqu): Updated.
1382 2006-10-21 Richard Guenther <rguenther@suse.de>
1384 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1385 (expand_builtin): Use it to expand lrint instead of
1386 expand_builtin_mathfn.
1388 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1391 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1392 flag_unsafe_math_optimizations is set.
1394 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1397 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1398 patterns to use memory input operand in x87->mem->XMM
1399 reload sequences. Skip transformation for TARGET_K8.
1401 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1403 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1404 force operand1 to register if both operands are memory operands.
1405 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1406 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1407 if both operands are memory operands.
1408 (truncdfsf2): Do not force operand1 to register if both operands
1409 are memory operands.
1411 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1413 * Makefile.in (LIBS): Add $(GMPLIBS).
1414 * doc/install.texi: Update GMP and MPFR requirements.
1415 * doc/sourcebuild.texi (need_gmp): Delete.
1417 2006-10-21 Richard Guenther <rguenther@suse.de>
1419 PR tree-optimization/3511
1420 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1421 got new invariant arguments during PHI translation.
1423 2006-10-21 Richard Guenther <rguenther@suse.de>
1426 * fold-const.c (fold_comparison): Fold signed comparisons
1427 of the form X +- C1 CMP Y +- C2.
1429 2006-10-21 Richard Guenther <rguenther@suse.de>
1432 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1433 if flag_unsafe_math_optimizations is specified. We have
1434 flag_finite_math_only for that.
1435 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1436 or flag_unsafe_math_optimizations.
1438 2006-10-21 Richard Guenther <rguenther@suse.de>
1440 * builtins.c (fold_builtin_classify): Fix typo.
1442 2006-10-21 Richard Guenther <rguenther@suse.de>
1445 * simplify-rtx.c (simplify_const_relational_operation):
1446 Do not constant-fold ORDERED and UNORDERED for
1447 flag_unsafe_math_optimizations but only we do not need to
1448 honor NaNs for the given mode.
1450 2006-10-21 Richard Guenther <rguenther@suse.de>
1453 * config/i386/i386.c (classify_argument): Remove redundant
1454 walking of the BINFOs.
1455 (contains_128bit_aligned_vector_p): Likewise.
1457 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1459 * BASE-VER: Set to 4.3.0.
1461 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1463 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1464 (tree_decl_with_vis): Remove artificial_pta_var flag.
1465 * tree-flow.h (referenced_var_check_and_insert): Expose.
1466 (nonlocal_all): New prototype.
1467 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1468 (nonlocal_all): Make global.
1469 (nonlocal_lookup): Remove.
1470 (nonlocal_insert): Ditto.
1471 (create_nonlocal_var): Do not call nonlocal_insert.
1472 (get_nonlocal_id_for_type): Remove.
1473 (find_global_initializers): Mark new vars we find for renaming.
1474 (intra_create_variable_infos): Only create one nonlocal.
1475 (expand_nonlocal_solutions): Remove.
1476 (compute_points_to_sets): Don't call it.
1477 (ipa_pta_execute): Ditto.
1478 (init_alias_heapvars): Don't create nonlocal_for_type.
1479 (delete_alias_heapvars): Don't remove it.
1480 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1483 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1485 * doc/install.texi (Downloading GCC): Clarify mention of
1486 Fortran in the "full distribution" description.
1488 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1490 Fix PR tree-optimization/28778
1491 Fix PR tree-optimization/29156
1492 Fix PR tree-optimization/29415
1493 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1494 (tree_decl_with_vis): Add artificial_pta_var flag.
1495 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1496 pushed into callers.
1497 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1498 (nonlocal_all): Ditto.
1499 (struct variable_info): Add directly_dereferenced member.
1500 (var_escaped_vars): New variable.
1501 (escaped_vars_tree): Ditto.
1502 (escaped_vars_id): Ditto.
1503 (nonlocal_vars_id): Ditto.
1504 (new_var_info): Set directly_dereferenced.
1505 (graph_size): New variable
1506 (build_constraint_graph): Use graph_size.
1507 (solve_graph): Don't process constraints that cannot change the
1508 solution, don't try to propagate an empty solution to our
1510 (process_constraint): Set directly_dereferenced.
1511 (could_have_pointers): New function.
1512 (get_constraint_for_component_ref): Don't process STRING_CST.
1513 (nonlocal_lookup): New function.
1514 (nonlocal_insert): Ditto.
1515 (create_nonlocal_var): Ditto.
1516 (get_nonlocal_id_for_type): Ditto.
1517 (get_constraint_for): Allow results vector to be empty in the case
1518 of string constants.
1519 Handle results of calls properly.
1520 (update_alias_info): Update alias info stats on number and type of
1522 (find_func_aliases): Use could_have_pointers.
1523 (make_constraint_from_escaped): Renamed from
1524 make_constraint_to_anything, and changed to make constraints from
1526 (make_constraint_to_escaped): New function.
1527 (find_global_initializers): Ditto.
1528 (create_variable_info_for): Make constraint from escaped to any
1529 global variable, and from any global variable to the set of
1531 (intra_create_variable_infos): Deal with escaped instead of
1532 pointing to anything.
1533 (set_uids_in_ptset): Do type pruning on directly dereferenced
1535 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1536 (init_base_vars): Fix comment, and initialize escaped_vars.
1537 (need_to_solve): Removed.
1538 (find_escape_constraints): New function.
1539 (expand_nonlocal_solutions): Ditto.
1540 (compute_points_to_sets): Call find_escape_constraints and
1541 expand_nonlocal_solutions.
1542 (delete_points_to_sets): Don't fall off the end of the graph.
1543 (init_alias_heapvars): Initialize nonlocal_for_type and
1545 (delete_alias_heapvars): Free nonlocal_for_type and null out
1548 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1550 * fold-const.c (add_double): Rename to add_double_with_sign.
1551 Add 'unsigned_p' parameter and take it into account for the overflow.
1552 (mul_double): Rename to mul_double_with_sign.
1553 Add 'unsigned_p' parameter and take it into account for the overflow.
1554 (fold_div_compare): Call add_double_with_sign instead of add_double
1555 and mul_double_with_sign instead of mul_double, passing them the
1556 unsignedness of the type.
1557 * tree.h (add_double): Macroize.
1558 (add_double_with_sign): New prototype.
1559 (mul_double): Macroize.
1560 (mul_double_with_sign): New prototype.
1562 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1564 * config/score/crti.asm: New file.
1565 * config/score/crtn.asm: New file.
1566 * config/score/elf.h: New file.
1567 * config/score/mac.md: New file.
1568 * config/score/misc.md: New file.
1569 * config/score/mul-div.S: New file.
1570 * config/score/predicates.md: New file.
1571 * config/score/score7.md: New file.
1572 * config/score/score.c: New file.
1573 * config/score/score-conv.h: New file.
1574 * config/score/score.h: New file.
1575 * config/score/score.md: New file.
1576 * config/score/score-mdaux.c: New file.
1577 * config/score/score-mdaux.h: New file.
1578 * config/score/score-modes.def: New file.
1579 * config/score/score.opt: New file.
1580 * config/score/score-protos.h: New file.
1581 * config/score/score-version.h: New file.
1582 * config/score/t-score-elf: New file.
1583 * config.gcc: Add score*-*-* configurations(Update before).
1584 * doc/invoke.texi (Score Options): New section.
1585 * doc/md.texi (Score family): New section to document constraints.
1587 2006-10-19 Nick Clifton <nickc@redhat.com>
1589 * config/arm/arm.c: Fix spelling typo.
1591 2006-10-18 Tom Tromey <tromey@redhat.com>
1593 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1595 2006-10-18 Jan Hubicka <jh@suse.cz>
1598 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1601 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1603 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1604 TSI_SAME_STMT, since that's the desired entity.
1606 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1608 * config/s390/contraints.md: New file.
1609 * config/s390/s390-protos.h (s390_mem_constraint,
1610 s390_O_constraint_str, s390_N_constraint_str,
1611 s390_float_const_zero_p): Function prototypes added.
1612 * config/s390/s390.c (s390_extra_constraint_str,
1613 s390_const_double_ok_for_constraint_p,
1614 s390_const_ok_for_constraint_p): Functions removed.
1615 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1616 s390_float_const_zero_p): New functions.
1617 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1618 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1619 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1620 Macro definitions removed.
1621 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1622 s390_extra_constraint_str): Functions removed.
1624 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1625 Richard Sandiford <richard@codesourcery.com>
1628 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1629 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1631 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1633 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1634 (DWARF2_FRAME_REG_OUT): Likewise.
1635 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1636 (DWARF2_FRAME_REG_OUT): Likewise.
1638 2006-10-17 Paul Brook <paul@codesourcery.com>
1640 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1642 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1644 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1645 Standardize on "GNU Fortran" as the official name of the Fortran
1648 2006-10-16 Mike Stump <mrs@apple.com>
1650 * doc/invoke.texi (Darwin Options): Document -mkernel.
1651 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1653 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1654 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1655 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1656 (OS_MISSING_ALTIVEC): Add.
1657 * config/i386/i386.c (override_options): Add
1658 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1659 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1660 -mkernel, -static or -mdynamic-no-pic is given.
1661 (C_COMMON_OVERRIDE_OPTIONS): Add.
1662 * config/darwin.opt (fapple-kext): Add.
1664 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1665 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1667 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1668 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1669 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1670 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1671 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1672 (flag_mkernel): Add.
1673 (flag_apple_kext): Add.
1674 (TARGET_KEXTABI): Add.
1675 * config/darwin.c (darwin_handle_kext_attribute): Add.
1676 (DARWIN_VTABLE_P): Add.
1677 (darwin_binds_local_p): Add partial support for rebinding vtables
1679 (darwin_kextabi_p): Add.
1680 (darwin_override_options): Add.
1681 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1682 (darwin_kextabi_p): Add.
1683 (darwin_override_options): Add.
1684 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1685 __DYNAMIC__ and __STATIC__ here.
1687 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1689 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1690 Added mention of "make pdf" target, and Texinfo requirements for
1693 2006-10-16 DJ Delorie <dj@redhat.com>
1695 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1696 into the GOT in case we need a subreg of the address.
1698 2006-10-16 Richard Guenther <rguenther@suse.de>
1701 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1702 SSE builtin documentation. Document SSE2 builtins.
1704 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1706 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1707 symbol in the output file for non-shared links when -nostdlib or
1708 -nodefaultlibs isn't specified.
1710 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1711 posix thread support.
1713 2006-10-15 Jan Hubicka <jh@suse.cz>
1716 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1717 declared always_inline even when not inlining.
1719 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1720 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1721 Andrew Pinski <pinskia@gmail.com>
1724 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1726 2006-10-15 Jan Hubicka <jh@suse.cz>
1727 Richard Guenther <rguenther@suse.de>
1730 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1731 process_function_and_variable_attributes on all variables, including
1732 those discovered during cgraph construction phase.
1734 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1736 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1738 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1740 * config/i386/athlon.md (athlon_fist): Add fisttp.
1742 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1743 Ian Lance Taylor <ian@airs.com>
1746 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1747 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1750 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1752 * config/score/score.c, config/score/score.h: Fix comment
1755 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1758 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1761 2006-10-13 Eric Christopher <echristo@apple.com>
1763 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1765 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1768 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1769 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1770 alignment supported by 32-bit ELF.
1772 2006-10-13 Eric Christopher <echristo@apple.com>
1774 * config/darwin.c (darwin_emit_unwind_label): Strip
1775 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1777 2006-10-13 Richard Guenther <rguenther@suse.de>
1779 PR tree-optimization/29446
1780 * tree-vrp.c (fix_equivalence_set): Remove.
1781 (extract_range_from_assert): Do not call fix_equivalence_set.
1782 (debug_value_range): Print a newline.
1783 (compare_name_with_value): For equivalence sets with
1784 inconsistent value ranges conservatively bail out.
1785 (compare_names): Likewise.
1787 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1789 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1790 and MPFR for gfortran.
1792 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1794 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1795 alignment supported by 32-bit ELF.
1797 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1801 * c-typeck.c (digest_init): Always allow initializing vectors
1802 that have static storage duration with compound literals.
1803 * tree.c (build_type_attribute_qual_variant): New, based on
1804 build_type_attribute_variant.
1805 (build_type_attribute_variant): Rewrite using the former.
1806 (make_vector_type): Use build_type_attribute_qual_variant to build
1807 type variants. Use type_hash_canon on the others.
1809 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1810 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1812 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1814 2006-10-12 Jan Hubicka <jh@suse.cz>
1817 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1818 current_function_decl is set but current_function_scope is not.
1820 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1822 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1823 emit_insn to emit eh_return_internal instruction.
1824 (eh_return_internal): Explicitly set pc.
1826 2006-10-11 Richard Guenther <rguenther@suse.de>
1828 PR tree-optimization/28230
1829 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1830 to the correct place.
1832 2006-10-11 Richard Guenther <rguenther@suse.de>
1835 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1838 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1840 * configure.ac: Added pdf to "Make-hooks"
1841 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1842 targets and *.pdf file patterns in cleanup targets.
1843 * configure: Regenerated.
1845 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1847 * config/avr/predicates.md: New file.
1848 * config/avr/avr.md: Include it.
1849 (REG_SP): New constant.
1850 (peepholes): Use predicates.
1851 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1852 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1853 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1855 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1857 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1860 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1863 * builtins.c (var_decl_component_p): New function.
1864 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1865 single entry optimization to variables and components thereof.
1867 2006-10-10 Richard Guenther <rguenther@suse.de>
1869 PR rtl-optimization/29323
1870 * except.c (set_nothrow_function_flags): For functions
1871 that do not bind local bail out early.
1873 2006-10-10 Ben Elliston <bje@au.ibm.com>
1875 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1878 2006-10-09 Richard Henderson <rth@redhat.com>
1880 Revert emutls patch.
1882 2006-10-09 Richard Guenther <rguenther@suse.de>
1885 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1888 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1891 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1892 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1893 * configure: Regenerate.
1894 * config.in: Regenerate.
1896 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1898 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1900 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1902 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1903 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1904 Remove stray newline.
1906 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1908 * config/mips/mips.c (mips_classify_symbol): Do not return
1909 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1910 (mips_in_small_data_p): Tweak comments.
1912 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1914 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1916 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1918 * gimplify.c, sched-int.h: Fix comment typos.
1920 * sched-int.h: Fix comment typos.
1922 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1924 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1926 * sched-ebb.c (begin_schedule_ready): Use them.
1927 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1928 add_to_speculative_block, create_check_block_twin, speculate_insn,
1929 fix_jump_move, move_block_after_check): Ditto.
1930 * sched-rgn.c (new_ready): Ditto.
1932 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1934 PR rtl-optimization/29128
1935 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1936 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1937 allow interblock movement of speculation checks.
1939 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1942 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1943 casted to integer type.
1944 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1945 if they are significantly more expensive than [reg + index] ones.
1947 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1949 PR tree-optimization/29330
1950 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1951 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1952 on newly allocated ddrs.
1953 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1954 to VEC (loop_p, heap) pointer.
1955 (compute_data_dependences_for_loop): Adjust caller.
1956 (free_dependence_relations): Free DDR_LOOP_NEST.
1958 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1959 free DEPENDENCE_RELATIONS and DATAREFS.
1962 * builtins.c (expand_builtin_sync_operation,
1963 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1964 Use convert_to_mode to handle promoted arguments.
1966 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1968 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1970 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1972 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1974 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1976 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1977 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1978 Use <modeconstraint> instead of "r" as operand 1 constraint.
1980 2006-10-06 Olivier Hainque <hainque@adacore.com>
1982 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1983 Don't recurse on the pointed-to type.
1984 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1985 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1986 types with components of variable size.
1988 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1990 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1992 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1994 PR tree-optimization/29290
1995 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1999 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2000 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2003 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2004 the number of vector elements fill the rest with zeros.
2006 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2008 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2009 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2012 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2014 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2015 unnamed pattern into subsi3. Use correct constraints/predicates.
2016 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2017 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2019 2006-10-05 Ira Rosen <irar@il.ibm.com>
2021 * doc/loop.texi: Add data references analysis description.
2023 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2025 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2027 2006-10-04 Richard Henderson <rth@redhat.com>
2028 Jakub Jelinek <jakub@redhat.com>
2030 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2031 * builtin-types.def (BT_WORD): Make unsigned.
2032 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2033 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2034 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2035 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2036 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2037 * cgraph.c (decide_is_variable_needed): Look at force_output.
2038 Recurse for emulated tls.
2039 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2040 checks redundant with decide_is_variable_needed.
2041 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2042 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2044 * expr.c (emutls_var_address): New.
2045 (expand_expr_real_1): Expand emulated tls.
2046 (expand_expr_addr_expr_1): Likewise.
2047 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2048 * output.h (emutls_finish): Declare.
2049 * toplev.c (compile_file): Call it.
2050 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2051 address before wrapping in CONST.
2052 * varasm.c (emutls_htab, emutls_object_type): New.
2053 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2054 (get_emutls_object_name, get_emutls_object_type): New.
2055 (get_emutls_init_templ_addr, emutls_decl): New.
2056 (emutls_common_1, emutls_finish): New.
2057 (assemble_variable): When emulating tls, swap decls; generate
2058 constructor for the emutls objects.
2059 (do_assemble_alias): When emulating tls, swap decl and target name.
2060 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2062 * emutls.c: New file.
2063 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2064 tls_object for real tls.
2066 2006-10-04 Zack Weinberg <zackw@panix.com>
2068 Fix bug in constraint-check generator, reported by Rask Ingemann
2070 * genpreds.c (add_constraint): Don't remove anything from the
2072 (write_tm_constrs_h): Detect whether "op" argument is used, and
2073 mark it ARG_UNUSED if it isn't.
2074 (write_insn_const_int_ok_for_constraint): Skip the part of the
2075 expression that would test whether "op" (which is not available
2076 here) is a CONST_INT.
2078 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2081 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2083 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2085 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2086 current Leopard versions.
2087 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2089 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2091 * doc/install.texi: Fix typos.
2093 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2095 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2096 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2097 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2099 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2101 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2102 arg to be struct mach_header_64* instead.
2104 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2107 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2108 side effects after the outer expression's post side effects.
2110 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2112 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2113 comments to reflect actual behavior and relationship between
2114 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2116 * doc/c-tree.texi (Working with declarations): Fix documentation
2117 of FIELD_DECL likewise.
2119 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2122 * doc/extend.texi: Add used variable attribute description.
2124 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2127 * c.opt (Woverride-init): New.
2128 * c-opts.c (c_common_post_options): Default warn_override_init to
2130 * c-typeck.c (add_pending_init, output_init_element): Warn for
2131 overriding initializers without side effects.
2132 * doc/invoke.texi (-Woverride-init): Document.
2135 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2137 PR rtl-optimization/28096
2138 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2139 assignment has already been used as a destination earlier in the block.
2141 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2143 * builtins.c (expand_builtin_setjmp): Delete.
2144 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2145 <BUILT_IN_SETJMP_SETUP>: New case.
2146 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2147 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2148 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2149 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2150 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2151 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2152 (lower_function_body): Initialize it to false. If it is set to true
2153 at the end of the processing, emit the setjmp dispatcher.
2154 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2155 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2156 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2157 on the rhs of the assignment.
2158 (lower_builtin_setjmp): New function.
2159 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2160 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2161 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2162 to detect calls that can go to non-local labels. Use specific
2163 helper to create the abnormal edges associated with them.
2164 <MODIFY_EXPR>: Likewise.
2165 (make_abnormal_goto_edges): New function extracted from...
2166 (make_goto_expr_edges): ...here. Call it for computed gotos.
2167 (simple_goto_p): Minor tweak.
2168 (tree_can_make_abnormal_goto): New predicate.
2169 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2170 (tree_purge_dead_abnormal_call_edges): New function.
2171 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2172 (tree_purge_dead_abnormal_call_edges): Likewise.
2173 (make_abnormal_goto_edges): Likewise.
2174 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2175 Purge all dead abnormal edges if the call was in the last statement.
2176 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2177 (execute_fixup_cfg): If there are non-local labels in the function,
2178 scan the basic blocks and split them at calls that can go to non-local
2179 labels or add missing abnormal call edges. Write down the CFG in the
2181 (pass_fixup_cfg): Remove TODO_dump_func flag.
2182 * unwind-sjlj.c: Poison setjmp.
2183 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2184 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2185 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2186 (DONT_USE_BUILTIN_SETJMP): Document it.
2188 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2191 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2192 to 1 when __ppc64__ is defined.
2193 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2195 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2197 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2199 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2200 * config/ia64/unwind-hpux.c: Delete.
2202 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2204 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2205 on the element before gimplifying it, instead of punting if it is of
2208 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2210 * doc/loop.texi: New file.
2211 * doc/gccint.texi: Reference loop.texi.
2212 * Makefile.in (loop.texi): Add.
2214 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2216 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2218 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2219 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2221 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2223 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2225 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2227 * doc/install.texi: Document required versions of GMP and MPFR.
2229 2006-09-27 Paul Brook <paul@codesourcery.com>
2232 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2234 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2236 * reload1.c (alter_reg): Require the alignment of the stack slot to
2237 be at least reg_max_ref_width bytes.
2238 (scan_paradoxical_subregs): Record the largest width in
2241 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2245 * tree-nested.c (struct nesting_info): Added static_chain_added.
2246 (convert_call_expr): Set static_chain_added when adding static
2247 chain. Handle OMP_PARALLEL and OMP_SECTION.
2249 2006-09-25 Matthias Klose <doko@debian.org>
2251 * doc/invoke.texi: Add missing full stop.
2253 2006-09-25 Richard Henderson <rth@redhat.com>
2255 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2256 before cgraph_function_flags_ready.
2258 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2259 Adam Nemet <anemet@caviumnetworks.com>
2261 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2262 determine_common_wider_type): New functions.
2263 (get_computation_aff): Use them to simplify arithmetic between
2264 UBASE and CBASE if they are shortened from the same type.
2266 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2269 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2270 -2147483647 - 1 instead of 0x80000000.
2272 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2274 * flags.h (HONOR_NANS): Fix typo in comment.
2276 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2278 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2280 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2284 * tree.c (merge_attributes, attribute_list_contained): If both
2285 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2287 * c-typeck.c (comptypes_internal): Don't consider aggregates
2288 in different TUs as compatible if there one set of attributes is
2289 not a subset of the other type's attributes.
2290 (composite_type): Try harder not to create a new aggregate type.
2292 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2294 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2295 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2296 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2297 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2298 than replicating condition above.
2299 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2301 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2302 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2303 the linker by default.
2305 2006-09-22 Mike Stump <mrs@apple.com>
2307 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2310 2006-09-22 Richard Guenther <rguenther@suse.de>
2313 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2314 sort of stack variables stable.
2316 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2319 * explow.c (force_reg): Set REG_POINTER flag according to
2322 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2324 PR tree-optimization/28888
2325 * tree-if-conv.c (combine_blocks): Rewritten.
2326 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2327 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2329 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2331 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2334 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2336 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2338 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2340 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2342 2006-09-21 Roger Sayle <roger@eyesopen.com>
2345 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2346 dw_fde_current_label, to be the start of the function, i.e. the same
2347 value as dw_fde_begin.
2349 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2351 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2352 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2353 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2354 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2355 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2356 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2357 (abs<mode>2, neg<mode>2): Likewise.
2358 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2359 (*mips_abs_ps): New define_insn.
2361 2006-09-20 Josh Conner <jconner@apple.com>
2364 * calls.c (expand_call): Allow reuse of structure return stack
2367 2006-09-20 Paul Brook <paul@codesourcery.com>
2369 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2372 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2374 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2375 clean up terminology.
2377 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2380 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2381 with tablejumps in them.
2383 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2386 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2387 wrap it into TARGET_EXPR.
2389 2006-09-20 Eric Christopher <echristo@apple.com>
2391 * config/i386/i386.c (x86_fisttp): Remove.
2392 * config/i386/i386.h (x86_fisttp): Ditto.
2393 (TARGET_FISTTP): Ditto.
2395 2006-09-19 Eric Christopher <echristo@apple.com>
2397 * doc/tm.texi (OBJC_JBLEN): Describe.
2398 * config/i386/darwin.h (OBJC_JBLEN): Define.
2399 * config/rs6000/darwin.h: Ditto.
2401 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2403 PR rtl-optimization/21299
2404 * reload1.c (reload): Purge invalid ASMs in the final pass.
2406 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2409 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2410 pointers as legitimate constants.
2412 2006-09-19 Paul Brook <paul@codesourcery.com>
2415 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2417 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2419 PR tree-optimization/28887
2420 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2421 component parts from the reference.
2422 (gather_memory_references_ref): Record the reference without the
2423 nonaddressable component parts.
2425 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2428 * c-opts.c (c_common_handle_option): Ignore the -std options
2429 if the input language is assembly.
2431 2006-09-17 Ira Rosen <irar@il.ibm.com>
2434 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2436 (ptr_ptr_may_alias_p): Likewise.
2437 (record_record_differ_p): New function.
2438 (base_object_differ_p): Call record_record_differ_p.
2440 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2443 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2444 away for the expr argument.
2446 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2449 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2450 before using it for dumping after vectorizing loops.
2452 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2453 Jack Howarth <howarth@bromo.med.uc.edu>
2456 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2457 skip on error_mark_node.
2458 (rs6000_darwin64_record_arg_recurse): Likewise.
2460 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2462 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2463 * doc/rtl.texi: Remove related documentation.
2465 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2467 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2470 2006-09-15 Jim Wilson <wilson@specifix.com>
2472 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2473 Handle symbol offsets same as they are handled in ia64_expand_move
2476 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2478 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2479 Add forgotten parameter to the fprintf call.
2481 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2483 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2485 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2487 * doc/contrib.texi: Add my entry.
2489 2006-09-15 Nick Clifton <nickc@redhat.com>
2491 * doc/md.texi (Processor pipeline description): Fix typo in
2492 example of how to use the absence_set directive and reword the
2493 description to make it slightly easier to read.
2495 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2497 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2498 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2499 expanding the number of iterations.
2500 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2502 * cfgrtl.c (emit_insn_at_entry): New function.
2503 * rtl.h (emit_insn_at_entry): Declare it.
2504 * integrate.c (emit_initial_value_sets): Use it.
2506 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2508 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2510 (struct loop_work and related VEC declarations): Delete.
2511 (bfin_dump_loops): Print out new member bad.
2512 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2513 (bfin_scan_loop): Don't recurse.
2514 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2515 loops. No longer need to update outer loops if the current one is
2516 found bad. Move some validitiy checks to bfin_discover_loop.
2517 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2518 but changed not to check for nesting. Also changed to use the new bad
2520 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2521 time. Use bitmap based test to discover loop nesting.
2523 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2525 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2528 2006-09-14 Richard Guenther <rguenther@suse.de>
2529 Kazu Hirata <kazu@codesourcery.com>
2531 PR middle-end/28884.
2532 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2533 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2534 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2535 with TARGET_FUNCTION_VALUE.
2537 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2540 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2542 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2544 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2547 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2550 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2553 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2555 * basic_block.h (bb_has_eh_pred): Fix comment.
2557 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2559 * flow.c (calculate_global_regs_live): Invalidate eh registers
2560 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2561 (propagate_block): Handle eh registers as if they were set at basic
2563 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2565 * global.c (global_conflicts): Make eh registers to conflict with
2566 pseudos live at basic block begin.
2567 * basic_block.h (bb_has_eh_pred): New function.
2569 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2571 PR rtl-optimization/28982
2572 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2573 index of a PRE_MODIFY or POST_MODIFY address.
2574 * reload1.c (inc_for_reload): Use find_replacement on the original
2575 base and index registers.
2577 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2579 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2580 for -Os. Update __m128 alignment requirement.
2582 2006-09-13 Jan Hubicka <jh@suse.cz>
2584 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2586 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2588 PR rtl-optimization/28243
2589 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2590 the insn to which the note was originally attached.
2592 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2593 Roger Sayle <roger@eyesopen.com>
2595 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2596 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2597 on platforms that don't use dwarf for debug info.
2599 2006-09-12 Jason Merrill <jason@redhat.com>
2602 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2603 hard_frame_pointer_rtx after using it to update the frame pointer.
2605 2006-09-12 Roger Sayle <roger@eyesopen.com>
2607 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2608 (TARGET_ASM_CLOSE_PAREN): Likewise.
2609 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2610 (TARGET_ASM_CLOSE_PAREN): Likewise.
2612 2006-09-12 Roger Sayle <roger@eyesopen.com>
2615 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2616 frame information for frames larger than 512 Kbytes on Tru64 when
2617 using the native assembler.
2619 2006-09-12 Roger Sayle <roger@eyesopen.com>
2623 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2624 and symbols. Instead use the implementation from cse.c's hash_rtx.
2626 2006-09-12 Jan Hubicka <jh@suse.cz>
2628 PR rtl-optimization/28071
2629 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2630 (vect_transform_loop): Likewise.
2631 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2632 (new_loop_vec_info): Likewise.
2633 (destroy_loop_vec_info): Likewise.
2634 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2635 (create_stmt_ann): Likewise.
2636 (create_tree_ann): Rename to ...
2637 (create_tree_common_ann): ... this one; allocate only the common part
2639 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2640 (get_value_handle): Likewise.
2641 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2642 get_tree_common_ann.
2643 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2644 (vinfo_for_stmt): Use stmt annotations.
2645 * tree-flow.h (tree_ann_common_t): New type.
2646 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2647 (tree_ann, get_tree_ann, create_tree_ann): New.
2648 * tree-flow-inline.h (get_function_ann): Do more type checking.
2649 (stmt_ann): Likewise.
2650 (tree_ann): Rename to ...
2651 (tree_common_ann): ... this one; return ony common_ann
2652 (get_tree_ann): Rename to ...
2653 (tree_common_ann): This one; return only common_ann.
2654 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2657 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2659 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2660 with_cpu by default.
2662 * dwarf2out.c (dwarf_file_data): New.
2663 (enum dw_val_class): Add dw_val_class_file.
2664 (struct dw_val_struct): Add val_file.
2665 (file_table): Change to a hash table.
2666 (file_table_emitted): Delete.
2667 (file_table_last_lookup_index): Delete.
2668 (emitcount): Delete.
2669 (last_emitted_file): New.
2670 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2671 (init_file_table): Delete.
2672 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2673 (AT_addr): Add comment.
2677 (print_die): Handle dw_val_class_file.
2678 (print_dwarf_line_table): Update for new file table structure.
2679 (attr_checksum): Do checksum a filename.
2680 (same_dw_val_p, same_attr_p): Do compare a filename.
2681 (size_of_die): Handle dw_val_class_file.
2682 (value_format): Likewise.
2683 (output_die): Likewise. Also, call maybe_emit_file here.
2684 (struct file_info): Constify filenames. Make file_idx a pointer
2685 to a struct dwarf_file_data.
2686 (struct dir_info): Constify directory names. Remove 'used' field.
2687 (struct file_name_acquire_data): New.
2688 (file_name_acquire): New.
2689 (output_file_names): Modify to handle new file data structures.
2690 (add_src_coords_attributes): Use add_AT_file.
2691 (add_call_src_coords_attributes): Likewise.
2692 (dwarf2out_imported_module_or_decl): Likewise.
2693 (gen_subprogram_die): Modify for new file data structures.
2694 (gen_variable_die): Likewise.
2695 (file_table_eq): New.
2696 (file_table_hash): New.
2697 (file_table_last_lookup): New.
2698 (lookup_filename): Rewrite to handle new file data structures.
2699 (maybe_emit_file): Rewrite to handle new file data structures.
2700 (dwarf2out_source_line): Always call lookup_filename and
2702 (dwarf2out_init): Create file_table here.
2703 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2704 (file_table_relative_p): New.
2705 (dwarf2out_finish): Change detection of relative filenames
2706 to work with new file data structures. Move output_line_info call
2707 after debug_info output.
2709 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2714 * config/i386/i386.c (override_options): Always default to 16
2715 byte stack boundary.
2717 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2720 * var-tracking.c (dump_dataflow_set): Start dumping at
2722 (clobber_variable_part): Kill only the variable part in
2723 registers holding it, leaving other variables alone.
2725 2006-09-11 Josh Triplett <josh@freedesktop.org>
2727 * doc/extend.texi (Other Builtins): Actually use the macro
2728 argument in the documentation example for
2729 __builtin_types_compatible_p.
2731 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2733 PR rtl-optimization/28726
2734 * sched-deps.c (sched_analyze_reg): New function extracted from...
2735 (sched_analyze_1): ...here. Call it to analyze references to
2736 registers. Treat again writes to a stack register as writing to the
2738 (sched_analyze_2): ...and here. Call it to analyze references to
2739 registers. Treat again reads of a stack register as reading the
2742 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2743 David Edelsohn <edelsohn@gnu.org>
2746 * config/rs6000/spe.md (frob_df_di): Remove %H.
2747 (frob_di_df): Remove %H. Change evmergelo to mr.
2748 (frob_di_df_2): Remove %H. Change evldd to two loads.
2750 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2752 * doc/cpp.texi: Fix names of charset options.
2754 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2757 * config/i386/i386.c (override_options): Use 128-bit
2758 stack boundary always for 64bits.
2760 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2762 PR rtl-optimization/28636
2763 * combine.c (force_to_mode): Test for side-effects before
2764 substituting by zero.
2765 (simplify_shift_const): Likewise for zero or other constants.
2767 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2770 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2773 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2776 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2777 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2778 returned by mode_for_size, rather than the mode of src itself,
2779 to choose between 32-bit and 64-bit patterns.
2780 (mips_mem_fits_mode_p): New function.
2781 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2782 that the size of the source matches the size of the destination.
2783 (mov_<store>l, mov_<store>r): Likewise.
2785 2006-09-10 Eric Christopher <echristo@apple.com>
2787 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2790 2006-09-09 Eric Christopher <echristo@apple.com>
2793 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2796 2006-09-09 Roger Sayle <roger@eyesopen.com>
2797 Nicolas Setton <setton@adacore.com>
2799 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2801 2006-09-10 Andreas Schwab <schwab@suse.de>
2803 * config/m68k/m68k.md (bungt_rev): New pattern.
2805 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2806 Dale Johannesen <dalej@apple.com>
2809 * regclass.c (struct reg_pref): Update documentation.
2810 (regclass): Set prefclass to NO_REGS if memory is the best option.
2811 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2813 2006-09-08 Eric Christopher <echristo@apple.com>
2815 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2816 * config/t-slibgcc-darwin: Support x86_64 multilib.
2817 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2818 Return 1 for x86_64-darwin.
2819 * config/i386/t-darwin: Add m64 multilib.
2820 (LIB2_SIDITI_CONV_FUNCS): Use.
2821 (LIB2FUNCS_EXTRA): Ditto.
2822 * config/i386/darwin.h: Support x86_64.
2823 * config/i386/i386.c (override_options): Turn on flag_pic
2824 for x86_64-darwin. Disable flag_omit_pointer.
2825 (get_pc_thunk_name): Assert !TARGET_64BIT.
2826 (legitimate_address_p): Disable machopic addressing for
2828 (legitimize_pic_address): Ditto.
2829 (ix86_expand_move): Ditto.
2830 (ix86_expand_call): Ditto.
2831 (machopic_output_stub): Ditto.
2832 * config/darwin.c (machopic_select_section): Support literal16.
2833 (machopic_select_rtx_section): Ditto.
2834 * config/darwin-sections.def: Ditto.
2835 * config/darwin-64.c: New.
2837 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2840 * c-tree.h (struct c_arg_info): Add pending_sizes.
2841 * c-parser.c (c_parser_parms_declarator,
2842 c_parser_parms_list_declarator): Initialize pending_sizes.
2843 * c-decl.c (get_parm_info): Initialize pending_sizes.
2844 (get_parm_info): Set pending_sizes.
2845 (grokdeclarator): Call put_pending_sizes for parameters for
2846 function definition only.
2848 2006-09-07 Jason Merrill <jason@redhat.com>
2851 * varasm.c (output_constant): Only strip actual no-op conversions.
2854 * config/i386/i386.c (override_options): Use 128-bit
2855 stack boundary if -msse.
2857 2006-09-07 Eric Christopher <echristo@apple.com>
2859 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2861 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2864 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2866 * dwarf2out.c: Remove strange characters from comment above
2867 dwarf2out_frame_debug_expr.
2869 2006-09-07 Eric Christopher <echristo@apple.com>
2871 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2872 * config/darwin.h: ... to here.
2874 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2876 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2878 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2879 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2881 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2882 TARGET_PARTIAL_FLAG_REG_STALL.
2883 (*ashldi3_cconly_rex64): Likewise.
2884 (*ashlsi3_cmp): Likewise.
2885 (*ashlsi3_cconly): Likewise.
2886 (*ashlsi3_cmp_zext): Likewise.
2887 (*ashlhi3_cmp): Likewise.
2888 (*ashlhi3_cconly): Likewise.
2889 (*ashlqi3_cmp): Likewise.
2890 (*ashlqi3_cconly): Likewise.
2891 (*ashrdi3_cmp_rex64): Likewise.
2892 (*ashrdi3_cconly_rex64): Likewise.
2893 (*ashrsi3_cmp): Likewise.
2894 (*ashrsi3_cconly): Likewise.
2895 (*ashrsi3_cmp_zext): Likewise.
2896 (*ashrhi3_cmp): Likewise.
2897 (*ashrhi3_cconly): Likewise.
2898 (*ashrqi3_cmp): Likewise.
2899 (*ashrqi3_cconly): Likewise.
2900 (*lshrdi3_cmp_rex64): Likewise.
2901 (*lshrdi3_cconly_rex64): Likewise.
2902 (*lshrsi3_cmp): Likewise.
2903 (*lshrsi3_cconly): Likewise.
2904 (*lshrsi3_cmp_zext): Likewise.
2905 (*lshrhi3_cmp): Likewise.
2906 (*lshrhi3_cconly): Likewise.
2907 (*lshrqi2_cmp): Likewise.
2908 (*lshrqi2_cconly): Likewise.
2910 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2913 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2914 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2915 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2916 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2917 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2918 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2919 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2920 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2921 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2922 implement only CC setting effects of shift instructions.
2924 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2926 * doc/contrib.texi: Add myself.
2928 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2931 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2932 was set by the user.
2934 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2937 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2938 (divsi_inv_m1): Use them.
2939 (UNSPEC_DIV_INV_TABLE): New constant.
2941 2006-09-06 James E Wilson <wilson@specifix.com>
2944 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2945 then call count_or_remove_death_notes.
2947 2006-09-06 Jason Merrill <jason@redhat.com>
2950 * tree-inline.c (copy_result_decl_to_var): New fn.
2951 (declare_return_variable): Use it. Call declare_inline_vars here.
2952 (expand_call_inline): Not here.
2954 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2956 * doc/contrib.texi: Update my entry.
2958 2006-09-06 Nick Clifton <nickc@redhat.com>
2960 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2962 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2965 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2966 (canonicalize_induction_variables): Likewise.
2967 (tree_unroll_loops_completely): Likewise.
2968 (tree_ssa_prefetch_arrays): Likewise.
2969 (remove_empty_loops): Likewise.
2970 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2971 TODO_cleanup_cfg instead of directly calling
2972 cleanup_tree_cfg_loop.
2973 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2975 (tree_unroll_loops_completely): Likewise.
2976 (remove_empty_loops): Likewise.
2977 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2978 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2979 of tree_ssa_unswitch_loops.
2980 (tree_ssa_loop_ivcanon): Use the return value of
2981 canonicalize_induction_variables.
2982 (tree_ssa_empty_loop): Use the return value of
2984 (tree_complete_unroll): Use the return value of
2985 tree_unroll_loops_completely.
2986 (tree_ssa_loop_prefetch): Use the return value of
2987 tree_ssa_prefetch_arrays.
2988 * passes.c (execute_todo): Before Cleanup CFG, set
2989 updating_used_alone and after cleanup CFG, call
2990 recalculate_used_alone.
2992 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2995 * tree-vect-transform.c (vectorizable_condition): Move the check
2996 for the type after the check for simple condition.
2998 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2999 Kaz Kojima <kkojima@gcc.gnu.org>
3002 * mode-switching.c (optimize_mode_switching): Make the destination
3003 block of an abnormal edge have no anticipatable mode. Don't
3004 insert mode switching code at the end of the source block of
3007 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3009 PR rtl-optimization/26847
3010 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3011 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3012 (simplify_plus_minus): Count n_constants while filling ops. Replace
3013 qsort with insertion sort. Before going through the array to simplify
3014 pairs, sort it. Delay early exit until after the first sort, exiting
3015 only if no swaps occurred. Simplify pairs in reversed order, without
3016 special-casing the first iteration. Pack ops after simplifying pairs.
3018 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3020 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3021 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3022 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3023 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3025 2006-09-05 Richard Guenther <rguenther@suse.de>
3027 PR tree-optimization/28900
3028 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3029 compound conditional before creating COND_EXPR condition.
3031 2006-09-05 Richard Guenther <rguenther@suse.de>
3033 PR tree-optimization/28905
3034 * tree-vrp.c (fix_equivalence_set): Manually implement
3035 !value_ranges_intersect_p to also handle symbolic ranges.
3037 2006-09-05 Richard Guenther <rguenther@suse.de>
3040 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3043 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3045 PR rtl-optimization/27616
3046 * cse.c (table_size): New static variable.
3047 (new_basic_block): Initialize it to 0.
3048 (remove_from_table): Decrement it.
3049 (insert): Increment it.
3050 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3051 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3052 fold_rtx_mem_1 if under the cap.
3053 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3054 the lookup of the equivalent expression and test for equality of the
3055 first operand of the equivalent expression before in turn looking up
3056 an equivalent constant for the second operand.
3058 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3061 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3062 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3063 pointer, instead of assuming it is possible to derive the
3064 correct args size from a call insn.
3066 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3069 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3070 (fold_builtin_mempcpy): Rename to...
3071 (fold_builtin_memory_op): ... this. Optimize one element copy
3073 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3075 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3076 (expand_builtin_memcpy, expand_builtin_mempcpy,
3077 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3078 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3079 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3080 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3082 2006-09-01 DJ Delorie <dj@redhat.com>
3084 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3085 (stzx_16): Likewise.
3086 ("stzx_24_<mode>"): Likewise.
3087 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3088 ("cmp<mode>_op"): New.
3089 (cmp<mode>): Change to expander; just save operands.
3091 (b<code>): Change to expander, emit compare here.
3092 (s<code>_op): Change to use split and expander.
3093 (s<code>_24_op): Likewise.
3094 (s<code>_<mode>): New.
3095 (s<code>_<mode>_24): New.
3096 (movqicc_<code>_<mode): New.
3097 (movhicc_<code>_<mode>): New.
3100 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3101 (m32c_pend_compare): New.
3102 (m32c_unpend_compare): New.
3103 (m32c_expand_scc): New.
3104 (m32c_expand_movcc): Emit the compare also.
3105 * config/m32c/predicates.md (mra_nopp_operand): New.
3107 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3108 Richard Guenther <rguenther@suse.de>
3109 Adam Nemet <anemet@caviumnetworks.com>
3112 * builtins.c (get_pointer_alignment): Handle more forms
3113 of base addresses that can be used to derive more precise
3114 information about alignment.
3116 2006-09-01 Jason Merrill <jason@redhat.com>
3119 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3122 * gimplify.c (voidify_wrapper_expr): Handle null type.
3124 2006-09-01 Josh Conner <jconner@apple.com>
3127 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3128 (execute_return_slot_opt): Use it.
3130 2006-08-31 Josh Conner <jconner@apple.com>
3133 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3134 returning aggregates.
3136 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3138 PR tree-optimization/28839
3139 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3140 blocks in that phi arguments appear.
3142 2006-08-31 Roger Sayle <roger@eyesopen.com>
3145 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3146 NULL, otherwise use an advance_loc4 to adjust relative to the
3148 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3149 (dwarf2out_switch_text_section): Reset the current label to avoid
3150 using advance_loc4 over section boundaries.
3152 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3155 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3156 r12 + SYMBOLIC_CONST.
3158 2006-08-30 Richard Guenther <rguenther@suse.de>
3160 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3162 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3164 PR rtl-optimization/27735
3165 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3166 Add new argument to keep track of whether an irreducible region
3167 was affected. All callers changed.
3168 (fix_irreducible_loops): Removed.
3169 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3170 flags were invalidated.
3172 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3174 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3175 instead of SF operands.
3176 (*fop_df_comm_sse): Likewise.
3177 (*fop_df_comm_i387): Likewise.
3178 (*fop_df_1_mixed): Likewise.
3179 (*fop_df_1_sse): Likewise.
3181 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3182 J"orn Rennecke <joern.rennecke@st.com>
3184 PR tree-optimization/17506
3185 * tree-ssa.c (warn_uninit): If warning about a location outside of
3186 the current function, note where the variable was declared.
3188 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3190 PR tree-optimization/28411
3191 * double-int.c (double_int_div): Use double_int_divmod.
3192 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3193 double_int_mod, double_int_smod, double_int_umod): New functions.
3194 * double-int.h (double_int_divmod, double_int_sdivmod,
3195 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3197 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3199 (get_computation_aff, get_computation_cost_at): Handle double_int
3200 return type of constant_multiple_of.
3202 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3205 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3206 an implicit conversion.
3208 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3210 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3212 2006-08-27 Roger Sayle <roger@eyesopen.com>
3214 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3217 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3219 * config/i386/crtfastmath.c: Fix a comment typo.
3221 2006-08-26 Roger Sayle <roger@eyesopen.com>
3223 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3224 temporary visit flags on CASE_LABEL_EXPRs.
3225 * c-common.c (match_case_to_enum): Add function comment. Avoid
3226 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3227 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3228 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3229 a constant, only warn if that constant value isn't handled.
3231 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3234 * input.h (restore_input_file_stack): Declare.
3235 (INPUT_FILE_STACK_BITS): Define.
3236 * toplev.c (fs_p, input_file_stack_history,
3237 input_file_stack_restored, restore_input_file_stack): New.
3238 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3239 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3240 (pop_srcloc): Don't free old state of stack.
3242 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3245 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3246 (PowerPC Type Attributes): New.
3248 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3250 * config/xtensa/xtensa.c (function_arg_boundary): New.
3251 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3253 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3254 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3256 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3259 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3262 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3264 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3265 (verify_local_live_at_start): Likewise.
3267 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3270 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3271 omp_add_variable): Treat sizes as variable whenever not
3274 2006-08-26 Richard Guenther <rguenther@suse.de>
3277 * fold-const.c (fold_binary): Fold temporary to correct
3278 type before constructing new comparison.
3280 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3283 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3284 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3286 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3289 * c-decl.c (start_function): Don't try to process prototype
3290 information from old declaration that isn't a function.
3292 2006-08-25 Jan Hubicka <jh@suse.cz>
3295 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3297 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3300 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3303 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3305 PR tree-optimization/16876
3306 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3307 exit if PARM doesn't match VALUE.
3309 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3311 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3312 literal_prefix directive.
3313 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3314 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3315 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3317 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3320 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3321 predicate to general_operand. Add 0->y and I->r alternatives.
3323 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3325 * doc/tm.texi: Fix a typo.
3326 * predict.c: Fix comment typos.
3328 2006-08-25 Nick Clifton <nickc@redhat.com>
3330 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3331 assertions of "cpu" and "machine".
3333 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3336 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3337 the access through a base which has an alias set of 0 cannot
3340 2006-08-24 Bill Wendling <wendling@apple.com>
3342 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3344 2006-08-24 Jan Hubicka <jh@suse.cz>
3346 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3348 2006-08-24 Jan Hubicka <jh@suse.cz>
3351 * cgraph.c: Fix comments.
3352 (cgraph_varpool_mark_needed_node): Mark only variables not already
3354 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3355 (cgraph_varpool_assembled_nodes_queue): New static variable.
3356 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3357 (cgraph_varpool_output_debug_info): New function.
3358 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3359 * Makefile.in: Add gt-cgraphunit.h
3361 2006-08-24 Jan Hubicka <jh@suse.cz>
3363 * predict.c (probability_reliable_p): New predicate.
3364 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3365 (predict_loops): Do not predict loop exit with less than 2%
3367 * basic-block.h (edge_probability_reliable_p,
3368 br_prob_note_reliable_p): Declare.
3369 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3370 prediction when static predictor is not reliable.
3371 * rs6000.c (output_cbranch): Likewise.
3373 2006-08-23 Stuart Hastings <stuart@apple.com>
3376 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3377 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3379 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3382 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3383 complex values, nor for generic vector values.
3385 2006-08-22 Richard Guenther <rguenther@suse.de>
3388 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3389 parameter. Convert arguments to arithmetic expression to the
3391 (analyze_scalar_evolution_1): Adjust caller.
3393 2006-08-22 Jan Hubicka <jh@suse.cz>
3395 Patch by Paolo Bonzini
3396 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3399 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3401 PR tree-optimization/28003
3402 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3403 before grouping aliases.
3405 2006-08-22 Roger Sayle <roger@eyesopen.com>
3407 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3408 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3410 2006-08-21 Jason Merrill <jason@redhat.com>
3413 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3414 wrapper. Loop to handle nested wrappers.
3415 (gimplify_bind_expr): Remove temp parameter.
3416 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3417 and STATEMENT_LIST on the rhs.
3418 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3419 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3420 (gimplify_target_expr): Remove special BIND_EXPR handling.
3422 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3424 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3427 2006-08-21 Olivier Hainque <hainque@adacore.com>
3429 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3430 Arrange for the temporary captures of components overlapping the lhs
3431 to happen before the lhs is possibly cleared.
3433 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3435 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3436 necessary places to pass the correct "number of registers" values
3439 2006-08-20 Jan Hubicka <jh@suse.cz>
3441 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3442 (create_name_tags): Instead of quadratic checking use hashtable.
3443 * bitmap.h: Include hashtab.h.
3444 (bitmap_hash): Declare.
3445 * bitmap.c (bitmap_hash): New function.
3447 2006-08-20 Jan Hubicka <jh@suse.cz>
3449 PR rtl-optimization/28071
3450 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3452 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3453 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3454 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3455 cgraph_decide_inlining_incrementally): Update use of
3456 cgraph_check_inline_limits.
3457 * cgraph.c (edge_hash, edge_eq): New function.
3458 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3459 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3460 cgraph_remove_node): Maintain call site hash.
3461 * cgraph.h (struct cgraph_node): Add call_site_hash.
3462 (cgraph_set_call_stmt): New function.
3464 2006-08-20 Jan Hubicka <jh@suse.cz>
3466 PR rtl-optimization/28071
3467 * reload1.c (reg_has_output_reload): Turn into regset.
3468 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3469 choose_reload_regs, emit_reload_insns): Update to new
3470 reg_has_output_reload.
3472 2006-08-20 Jan Hubicka <jh@suse.cz>
3475 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3476 function body sizes.
3477 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3479 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3482 * tree.c (handle_dll_attribute): Return early if not a
3483 var or function decl.
3485 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3488 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3489 alignment of SPE vector types.
3491 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3493 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3495 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3498 * cgraph.h (struct cgraph_node): Remove externally_visible
3500 * cgraphunit.c (process_function_and_variable_attributes): Set
3501 local.externally_visible rather than externally_visible.
3504 * c-common.c (handle_externally_visible_attribute): First look
3505 at TREE_CODE and only if it is function or var decl, check for
3506 non-public objects. Don't warn for DECL_EXTERNAL.
3507 * cgraphunit.c (process_function_and_variable_attributes): Warn
3508 if externally_visible attribute is used on non-public object.
3510 2006-08-17 Jan Hubicka <jh@suse.cz>
3512 PR tree-optimization/27865
3513 * reload1.c (forget_marked_reloads): New function.
3514 (forget_old_reloads_1): When data are passed, just mark the registers
3516 (reload_as_needed): Use the new mechanizm.
3518 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3521 * reload.h (reg_equiv_alt_mem_list): New declaration.
3522 * reload1.c (reg_equiv_alt_mem_list): New definition.
3523 (reload): Initialize it and release it.
3524 (delete_output_reload): Use it.
3525 * reload.c (push_reg_equiv_alt_mem): New function.
3526 (find_reloads_toplev): Call it.
3527 (find_reloads_address, find_reloads_address_1): Likewise.
3528 (find_reloads_subreg_address): Likewise.
3530 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3532 PR rtl-optimization/28489
3533 * sched-ebb.c (begin_schedule_ready): Create basic block
3535 (advance_target_bb): Skip empty blocks.
3536 * haifa-sched.c (bb_note): Make global.
3537 * sched-int.h (bb_note): Add prototype.
3539 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3541 PR tree-optimization/27865
3542 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3544 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3545 fold_used_pointer, pointer_used_p): New functions.
3546 (analyze_scalar_evolution_1): Use fold_used_pointer.
3547 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3548 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3551 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3554 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3555 or the INTEGER_CST. Fail on a CALL_EXPR.
3556 (fold_offsetof): Pass new argument to fold_offsetof_1.
3557 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3558 operand into an INDIRECT_REF.
3559 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3561 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3563 PR gcov/profile/26570
3564 * value-prof.c (static_values): Removed.
3565 (tree_find_values_to_profile): Do not set static_values.
3566 (find_values_to_profile): Do not free static_values.
3567 * profile.c (instrument_values): Do not free the values.
3568 (branch_prob): Free the values.
3570 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3572 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3574 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3577 * c-typeck.c (build_component_ref): Combine qualifiers of
3578 structure or union and field.
3580 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3582 PR rtl-optimization/28071
3583 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3584 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3585 * tree-into-ssa.c (struct dom_dfsnum): New.
3586 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3588 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3589 compute_global_livein.
3590 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3591 in phi nodes in the correct blocks.
3593 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3595 PR tree-optimization/28364
3596 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3598 (fold_affine_expr): New function.
3599 (may_eliminate_iv): Use fold_affine_expr.
3601 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3604 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3607 2006-08-16 Mike Stump <mrs@apple.com>
3609 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3610 * doc/cppopts.texi (-MD): Likewise.
3612 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3615 * c-common.c (handle_weak_attribute): Ignore and warn if
3616 not a FUNCTION_ or VAR_DECL.
3618 2006-07-15 Mike Stump <mrs@apple.com>
3621 * c-parser.c (c_parser_typeof_specifier): Don't use
3622 c_finish_expr_stmt, open code desired semantics instead.
3624 2006-08-15 Nick Clifton <nickc@redhat.com>
3626 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3627 fragment to tmake_file only if threads are enabled.
3628 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3629 * config/i386/t-gthr-win32: New file. ... here.
3631 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3634 * c-parser.c (c_parser_compound_statement_nostart): Reset
3635 parser->error after each statement.
3637 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3640 * omp-low.c (lower_omp_parallel): Convert t to
3641 receiver_decl's type.
3642 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3643 source before comparison.
3646 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3647 to itype in assignment to oldival2.
3649 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3653 * c-typeck.c (build_compound_expr): If the second expression
3654 is an error mark, then just return an error mark instead of
3655 creating a COMPOUND_EXPR.
3657 2006-07-14 Mike Stump <mrs@apple.com>
3659 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3661 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3663 * c-decl.c, var-tracking.c: Fix comment typos.
3665 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3667 PR rtl-optimization/28634
3668 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3669 for floating-point modes unless flag_unsafe_math_optimizations.
3671 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3672 Andrew Pinski <pinskia@physics.uc.edu>
3675 * tree.c (build_array_type): Unify array types with
3676 unspecified index_type.
3677 * c-decl.c (grokdeclarator): Make sure we do not modify a
3678 unified incomplete array type.
3679 * c-typeck.c (store_init_value): Create distinct type before
3680 filling in the index type in an initializer from a compound
3683 * c-decl.c (grokdeclarator): Remove code where we copy the
3686 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3688 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3689 into account for TODO_dump_cgraph.
3690 (TODO_update_ssa_no_phi): Likewise.
3691 (TODO_update_ssa_full_phi): Likewise.
3692 (TODO_update_ssa_only_virtuals): Likewise.
3693 (TODO_remove_unused_locals): Likewise.
3694 (TODO_set_props): Likewise.
3695 (TODO_update_stmt_usage): Likewise.
3697 2006-08-13 Dirk Mueller <dmueller@suse.de>
3699 * c-common.c (strict_aliasing_warning): Fix formatting.
3701 2006-08-13 Matthias Klose <doko@debian.org>
3703 * doc/invoke.texi: Fix spelling errors.
3705 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3707 PR rtl-optimization/23454
3708 * reorg.c (relax_delay_slots): Update comment.
3710 2006-08-11 Richard Guenther <rguenther@suse.de>
3713 * simplify-rtx.c (simplify_const_relational_operation):
3714 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3717 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3719 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3720 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3722 2006-08-10 Paul Brook <paul@codesourcery.com>
3724 * final.c (final_scan_insn): Clear current_insn_predicate before
3725 outputting inline asm.
3727 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3729 PR tree-optimization/26197
3730 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3731 get_ref_base_and_extent and overlap_subvar to add only relevant
3732 subvars as may-aliases.
3733 (add_may_alias_for_new_tag): New function, factored out of
3735 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3736 with additional argument.
3737 * tree-flow.h (new_type_alias): Takes additional argument.
3739 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3741 * gcov.c (no_data_file): New flag.
3742 (read_count_file): Set it if data file not present. Assume counts
3744 (output_lines): Don't name the data file, if there wasn't one.
3746 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3748 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3749 (rs6000_generate_compare): Tweak comments.
3750 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3752 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3754 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3755 (var_debug_decl): New function.
3756 (var_reg_set): Follow debug decl link. Add location even if
3757 reg is already known to hold some other variable.
3758 (var_mem_set): Follow debug decl link.
3759 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3760 decl link. Delete other known locations of the variable part
3762 (var_reg_delete, var_mem_delete): Delete other known locations
3763 of the variable part if requested.
3764 (same_variable_part_p): New function.
3765 (add_stores): Select MO_COPY when appropriate.
3766 (vt_initialize): Handle it.
3767 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3768 known locations for MO_SET and MO_CLOBBER.
3769 (find_variable_location_part): New function.
3770 (set_variable_part, delete_variable_part): Use it.
3771 (clobber_variable_part): New function.
3772 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3775 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3777 PR tree-optimization/26969
3778 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3779 with an empty list of PHIs.
3781 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3785 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3788 2006-08-06 Andreas Schwab <schwab@suse.de>
3790 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3791 string. Whitespace and comment fixup.
3793 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3796 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3800 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3803 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3805 2006-08-04 Jan Hubicka <jh@suse.cz>
3809 * reload.c (push_reload): Patch out the mismatching instruction;
3811 (find_reload): Bail out if the instruction was patched out.
3813 2006-08-04 Jan Hubicka <jh@suse.cz>
3815 PR tree-optimization/24888
3816 * tree-inline.c (expand_call_inline): Do not re-record variables.
3817 (declare_inline_vars): Add variable to unexpanded_var_list.
3819 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3820 Roger Sayle <roger@eyesopen.com>
3822 PR rtl-optimization/26244
3823 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3824 inner_const are negative or greater than or equal to the bitsize of
3825 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3826 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3827 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3828 CONST0_RTX (mode) when the new shift count is greater than or equal to
3829 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3832 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3834 * tree-cfg.c: Fix a comment typo.
3836 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3839 * varasm.c (output_constant): Give the front end another chance to
3840 expand constants, after stripping NOPs.
3842 2006-08-03 Jan Hubicka <jh@suse.cz>
3844 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3847 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3849 PR tree-optimization/27770
3850 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3851 declaration removed (moved to tree-flow.h).
3852 (vect_can_force_dr_alignment_p): Likewise.
3853 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3854 (moved from tree-vectorizer.h).
3855 (vect_can_force_dr_alignment_p): Likewise.
3856 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3857 from outside the vectorizer - in particular from cgraph stage.
3858 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3859 the alignment of global arrays when -fsection-anchors is enabled.
3860 * cgraphunit.c (cgraph_increase_alignment): New function.
3861 (cgraph_optimize): Call cgraph_increase_alignment.
3863 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3866 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3867 not reload a SPE symbol_ref into a lo_sum address.
3869 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3872 * dwarf2out.c (prune_unused_types_prune): Move call to
3873 prune_unused_types_update_strings to cover the parent DIE also.
3875 2006-08-02 Jan Hubicka <jh@suse.cz>
3877 PR gcov/profile/28480
3878 * tree-cfg.c (change_bb_for_stmt): New function.
3879 (tree_merge_blocks, tree_split_blocks): Use it.
3881 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3887 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3888 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3889 (cgraph_optimize): Likewise.
3891 2006-08-01 Stuart Hastings <stuart@apple.com>
3893 * rtl.h (UINTVAL) New.
3894 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3895 * testsuite/gcc.dg/20060801-1.c: New.
3897 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3900 * c-typeck.c (build_external_type): Mark used enum types.
3901 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3903 (gen_subprogram_die): Whitespace fix.
3905 2006-08-01 Jan Hubicka <jh@suse.cz>
3907 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3908 bitmap when not needed.
3909 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3912 2006-08-01 Dirk Mueller <dmueller@suse.de>
3914 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3916 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3918 * Makefile.in: Revert part of previous patch:
3919 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3922 2006-07-30 Eric Christopher <echristo@apple.com>
3925 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3926 (PowerPC Variable Attributes): New section.
3928 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3930 PR target/28126 (partial fix)
3931 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3933 2006-07-28 Jan Hubicka <jh@suse.cz>
3935 PR rtl-optimization/28071
3936 * cfgrtl.c (rtl_delete_block): Free regsets.
3937 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3939 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3941 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3942 and variables used in dependencies.
3944 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3946 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3947 %fs for -mcmodel=kernel.
3948 (stack_tls_protect_test_di): Likewise.
3950 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3952 * Makefile.in: Use mkinstalldirs.
3954 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3957 * opts-common.c (prune_options): Skip joined switches.
3959 2006-07-27 Jan Hubicka <jh@suse.cz>
3961 PR rtl-optimization/28071
3962 * cselib.c (cselib_process_insn): Don't remove useless values too
3963 often for very large hashtables.
3965 2006-07-27 Jan Hubicka <jh@suse.cz>
3967 PR rtl-optimization/28071
3968 * global.c (greg_obstack): New obstack.
3969 (allocate_bb_info): Use it.
3970 (free_bb_info): Likewise.
3971 (modify_reg_pav): Likewise.
3973 2006-07-27 Roger Sayle <roger@eyesopen.com>
3975 * builtins.c (fold_fixed_mathfn): When long and long long are the
3976 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3977 functions to their lceil*, lfloor*, lround* and lrint* forms.
3979 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3982 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3984 (rev_branch_insn): Likewise.
3986 2006-07-27 Jan Hubicka <jh@suse.cz>
3988 PR rtl-optimization/28071
3989 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3990 (reg_set_in_bb, max_reg_computed): New static variables.
3991 (regmove_optimize): Free the new array.
3992 (fixup_match_1): Update call of reg_is_remote_constant_p.
3994 2006-07-26 Jan Hubicka <jh@suse.cz>
3996 PR tree-optimization/27882
3997 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3999 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4001 (cgraph_analyze_compilation_unit): Likewise.
4002 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4003 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4004 (cgraph_early_inlinine): Make order garbage collected.
4005 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4007 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4009 * dbxout.c (output_types_sort): Add a comment.
4010 (output_used_types): Free the VEC.
4012 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4014 * function.c (reorder_fix_fragments): Delete.
4015 (reorder_blocks): Don't call it.
4016 (reorder_blocks_1): Put all subblocks under the origin block.
4018 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4020 PR rtl-optimization/27907
4021 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4024 2006-07-25 Roger Sayle <roger@eyesopen.com>
4027 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4028 bar(x) check that bar's result type can represent all the values of T.
4030 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4032 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4034 2006-07-25 Nick Clifton <nickc@redhat.com>
4036 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4037 size_lookup[] array.
4038 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4039 (ggc_pch_count_object): Likewise.
4040 (ggc_pch_alloc_object): Likewise.
4041 (ggc_pch_write_object): Likewise.
4042 (init_ggc): Do not attempt to initialize entries in the
4043 size_lookup[] array for objects whose size is greater than than
4044 the length of the array.
4046 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4048 * dbxout.c (output_used_types_helper): Push queued types
4050 (output_types_sort): New.
4051 (output_used_types): Collect used types on a VEC and sort them
4054 2006-07-24 Richard Guenther <rguenther@suse.de>
4057 * cgraph.c (cgraph_remove_node): Do not check if dumps
4059 * cgraphunit.c (cgraph_optimize): Likewise.
4061 2006-07-24 Jan Hubicka <jh@suse.cz>
4063 PR rtl-optimization/28071
4064 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4065 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4066 splitting before first stmt.
4068 2006-07-24 Jan Hubicka <jh@suse.cz>
4070 PR rtl-optimization/28071
4071 * ipa-inline.c (update_caller_keys): Remove edges that
4072 are no longer inline candidates.
4074 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4077 * dbxout.c (output_used_types_helper, output_used_types): New.
4078 (dbxout_symbol): Call output_used_types.
4080 2006-07-23 Jan Hubicka <jh@suse.cz>
4084 * cgraph.c (cgraph_varpool_nodes): Export.
4085 (decide_is_variable_needed): Ignored "used" attribute in
4086 unit-at-a-time mode.
4087 * cgraph.h (cgraph_varpool_nodes): Declare.
4088 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4089 unit-at-a-time mode.
4091 2006-07-23 Roger Sayle <roger@eyesopen.com>
4094 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4095 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4096 the __gthrw form of thr_keycreate.
4097 (__gthread_key_delete): Silence the unused argument warning.
4099 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4102 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4103 Cache the last found '\0' marker to avoid quadratic behavior.
4105 2006-07-23 Jan Hubicka <jh@suse.cz>
4107 * i386.md (subsi_3_zext): Fix output template.
4109 2006-07-21 Mike Stump <mrs@apple.com>
4111 * doc/invoke.texi (C++ Dialect Options): Note that
4112 -fvisibility-inlines-hidden doesn't affect explicitly
4113 instantiationed inline methods.
4115 2006-07-20 Roger Sayle <roger@eyesopen.com>
4117 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4118 if the target assembler is GNU binutils' gas.
4119 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4120 whether to pass GNU gas or native as command line options.
4122 2006-07-20 Jason Merrill <jason@redhat.com>
4124 * tree.c (remove_attribute): New fn.
4125 * tree.h: Declare it.
4127 2006-07-20 Paul Brook <paul@codesourcery.com>
4130 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4131 they are invalidated by this instruction.
4133 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4136 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4138 2006-07-20 Eric Christopher <echristo@apple.com>
4141 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4143 2006-07-19 Eric Christopher <echristo@apple.com>
4145 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4146 Rewrite dependencies for libgcc_s.1.dylib.
4148 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4150 * except.c (duplicate_eh_regions_1): Clear next_peer.
4152 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4154 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4155 -mlongcall does not guarantee all calls will be long.
4156 * doc/extend.texi (long_call/short_call): Document that longcall
4157 does not guarantee a long call will be used.
4158 (longcall/shortcall): Likewise.
4160 2006-07-18 Roger Sayle <roger@eyesopen.com>
4163 * expmed.c (expand_shift): Additionally check that the shift_cost
4164 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4165 before implementing a LSHIFT_EXPR as a sequence of additions.
4166 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4167 middle-end that DImode shifts need to be synthesized by expand.
4169 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4172 * tree-ssa-operands.c (access_can_touch_variable): Update
4174 Return true if ALIAS is .GLOBAL_VAR.
4176 2006-07-18 David Daney <ddaney@avtrex.com>
4178 * gcc.c (display_help): Fix typo in help text.
4180 2006-07-18 Olivier Hainque <hainque@adacore.com>
4182 * tree.h (categorize_ctor_elements): Adjust prototype and add
4183 descriptive comment, both in accordance with the interface change
4185 * varasm.c (constructor_static_from_elts_p): New function.
4186 Whether a constructor node is a valid static constant initializer
4187 if all its elements are.
4188 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4189 * output.h: Declare it.
4190 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4191 is a valid constant initializer instead of computing the number of
4192 non-constant elements. Use constructor_static_from_elts_p for this
4193 purpose. Replace the head comment with an indication that this is a
4194 helper for categorize_ctor_elements.
4195 (categorize_ctor_elements): Same interface change as for the _1
4196 helper. Former head comment from this helper moved here, adjusted to
4197 account for the interface changes.
4198 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4199 (all_zeros_p): Likewise.
4200 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4201 static versions of the constructor from the categorize_ctor_elements
4202 return value instead of the formerly computed number of non-constant
4205 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4207 * configure: Regenerate.
4208 * Makefile.in (build_libsubdir): New configure substitution
4209 (build_libobjdir): New variable.
4210 (BUILD_LIBIBERTY): Use it.
4212 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4215 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4217 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4220 * c-common.c (handle_weakref_attribute): Ignore attribute in
4221 the same conditions the alias attribute is ignored.
4223 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4225 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4226 (dbxout_begin_prologue): Increment scope_labelno.
4228 2006-07-17 Richard Henderson <rth@redhat.com>
4231 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4234 2006-07-17 Roger Sayle <roger@eyesopen.com>
4235 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4237 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4238 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4239 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4240 functions such as sbrk, write, etc.. Add function prototypes.
4241 Convert function declarations from K&R to ISO C. Cast pointers
4242 to "long" and "unsigned long" instead of "int" and "unsigned int".
4243 Convert tokens following #endif into comments.
4245 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4247 * invoke.texi: Remove mention of f77; Reformat table for
4248 inline parameter options correctly; mention that -malign-double
4249 is default on x86-64 targets.
4251 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4253 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4254 (convert_affine_scev, chrec_convert_aggressive): Use
4255 avoid_arithmetics_in_type_p. Do not check for the subtypes
4258 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4261 * optabs.c (expand_doubleword_shift): Wrap the call to
4262 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4264 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4267 * optabs.c (expand_binop): Pass next_methods rather than methods
4268 to expand_doubleword_shift.
4270 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4273 * tree.h (dump_addr): Declare.
4274 * print-tree.c (dump_addr): New function.
4275 (print_node_brief, print_node): Use it.
4276 * print-rtl.c (print_rtx): Likewise.
4277 * common.opt (-fdump-noaddr): New option.
4278 * doc/invoke.texi (-fdump-noaddr): Document.
4279 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4280 (ve_info_hash): Likewise.
4282 2006-07-13 Andrew Haley <aph@redhat.com>
4284 PR tree-optimization/19505
4285 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4286 edge leaving this block, make sure that the destination of this
4287 block has only one predecessor.
4289 2006-07-17 Richard Guenther <rguenther@suse.de>
4291 PR tree-optimization/28238
4292 * tree-inline.c (copy_bb): Check if we produced valid
4293 gimple copying and substituting a stmt. If not, gimplify
4296 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4298 * optabs.c (maybe_encapsulate_block): New function extracted from...
4299 (emit_libcall_block): ...here. Invoke it on the block of insns to
4300 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4301 (emit_no_conflict_block): Likewise.
4303 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4305 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4307 2006-07-15 Roger Sayle <roger@eyesopen.com>
4309 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4310 a new NOP_EXPR case of the switch statement.
4312 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4315 * stor-layout.c (place_field): Take the bit field with
4316 an excessive size into account in the ms-bitfiled case.
4319 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4320 the previous bit field.
4322 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4325 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4327 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4329 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4330 signal frames correctly even when the signal was installed with
4333 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4335 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4336 (dbxout_function_end): Use local label LFBB. Remove hook
4338 (dbxout_source_line): Use local label LFBB.
4339 (dbxout_block): Likewise.
4340 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4341 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4342 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4343 and DBX_OUTPUT_NFUN.
4345 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4347 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4349 2006-07-13 Jan Hubicka <jh@suse.cz>
4351 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4353 * output.h (align_variable): Declare.
4354 * varasm.c (align_variable): Export.
4355 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4356 when basic block changed.
4358 2006-07-13 Nick Clifton <nickc@redhat.com>
4360 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4361 walking the LOG_LINKS chain.
4363 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4365 * doc/invoke.texi (C++ Dialect Options): Explain difference
4366 between -fvisibility-inlines-hidden and setting hidden
4367 visibility explicitly.
4369 2006-07-12 Eric Christopher <echristo@apple.com>
4371 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4372 (stmp-lipo): Depend on libgcc.a.
4374 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4376 * tree.c: Fix a comment typo.
4378 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4380 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4382 (umulhisi3_r): Likewise.
4384 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4387 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4388 x < 19, vs wchar_t support.
4390 2006-07-12 Nick Clifton <nickc@redhat.com>
4392 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4393 instead of -isa=sh4.
4395 2006-07-12 Mike Stump <mrs@apple.com>
4397 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4399 2006-07-10 Eric Christopher <echristo@apple.com>
4401 * config/t-slibgcc-darwin: Rewrite.
4403 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4406 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4409 2006-07-08 Matthias Klose <doko@debian.org>
4411 * doc/sourcebuild.texi: Fix typo.
4413 2006-07-07 Mike Stump <mrs@apple.com>
4415 * toplev.c (process_options): Don't give -ffunction-sections may
4416 affect debugging warning for Mach-O.
4418 2006-07-07 James E Wilson <wilson@specifix.com>
4420 * config/mips/mips.md (cpu): Add sb1a.
4421 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4422 addition to sb1. Adjust comments to clarify SB-1A differences from
4424 (ir_sb1a_load): New. Modify bypasses to use it.
4425 (ir_sb1a_simple_alu): Likewise.
4426 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4427 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4428 (mips_issue_rate): Add PROCESSOR_SB1A.
4429 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4430 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4431 (TARGET_SB1): Add PROCESSOR_SB1A check.
4432 (TUNE_SB1): Likewise.
4434 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4435 * config/mips/mips.c (mips_store_data_bypass_p): New.
4436 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4437 store_data_bypass_p.
4439 2006-07-08 Paul Brook <paul@codesourcery.com>
4442 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4444 2006-07-07 Richard Guenther <rguenther@suse.de>
4447 * tree.h (build_one_cst): Declare.
4448 * tree.c (build_one_cst): New function.
4449 * tree-ssa-math-opts.c (get_constant_one): Remove.
4450 (insert_reciprocals): Use build_one_cst.
4451 * fold-const.c (fold_plusminus_mult): Likewise.
4453 2006-07-07 Roger Sayle <roger@eyesopen.com>
4455 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4456 * cfgloopanal.c (dump_graph): Likewise.
4457 * dojump.c (discard_pending_stack_adjust): Likewise.
4458 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4460 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4461 * function.c (finalize_block_changes): Likewise.
4462 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4463 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4464 * rtl.c (dump_rtx_statistics): Likewise.
4465 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4467 * varray.c (dump_varray_statistics): Likewise.
4468 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4469 decode_decimal64, encode_decimal128, decode_decimal128,
4470 decimal_real_to_decimal): Likewise.
4472 2006-07-07 Richard Guenther <rguenther@suse.de>
4474 PR tree-optimization/28187
4475 * tree-vrp.c (vrp_operand_equal_p): New function.
4476 (vrp_bitmap_equal_p): Likewise.
4477 (update_value_range): Use them to compare old and new
4480 2006-07-06 Roger Sayle <roger@eyesopen.com>
4482 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4483 a default case to switch statement to silence compiler warnings.
4485 2006-07-06 Roger Sayle <roger@eyesopen.com>
4488 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4489 the configured assembler supports the x87's ffreep mnemonic.
4490 * configure: Regenerate.
4491 * config.in: Regenerate.
4493 * config/i386/i386.c (output_387_ffreep): New function.
4494 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4495 (output_387_reg_move): Likewise.
4497 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4499 Port to hosts whose 'sort' and 'tail' implementations
4500 treat operands with leading '+' as file names, as POSIX
4501 has required since 2001. However, make sure the code still
4502 works on pre-POSIX hosts.
4503 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4504 which says you should use "tail -c +N" rather than "tail +Nc".
4505 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4507 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4509 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4512 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4515 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4516 PRE_{INC,DEC} of TFmode.
4518 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4519 Alan Modra <amodra@bigpond.net.au>
4522 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4525 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4528 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4529 Remove duplicate gtu.
4531 2006-07-05 Jason Merrill <jason@redhat.com>
4535 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4536 * c-common.c (handle_packed_attribute): So don't copy it here.
4537 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4539 2006-07-05 Mike Stump <mrs@apple.com>
4541 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4543 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4546 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4548 2006-07-05 Richard Guenther <rguenther@suse.de>
4551 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4552 TARGET_SSE2 targets if using SSE math.
4553 (*absdf2_1): Likewise.
4555 2006-07-05 Richard Guenther <rguenther@suse.de>
4557 PR tree-optimization/28162
4558 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4559 make sure to convert the operands to the correct type.
4561 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4563 PR tree-optimization/28218
4565 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4566 to calculate and free the dominator information.
4568 2006-07-04 Peter O'Gorman <peter@pogma.com>
4570 * mklibgcc.in: chmod 644 before ranlib during install.
4572 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4573 J"orn Rennecke <joern.rennecke@st.com>
4575 * configure.ac (.eh_frame data check): Use diff -b.
4577 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4580 * Makefile.in (BUILD_RTL): Add build/vec.o.
4581 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4582 (build/genextract): Delete.
4583 (build/genautomata): Likewise.
4585 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4588 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4589 128-bit IBM long doubles for ABI_V4.
4591 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4593 * tree.c (range_in_array_bounds_p): New predicate.
4594 * tree.h (range_in_array_bounds_p): Declare it.
4595 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4596 return a less conservative answer.
4597 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4598 and flag 'is_group'.
4599 (IS_ELEMENT_FOR_GROUP): New macro.
4600 (FOR_EACH_ACTUAL_CHILD): Likewise.
4601 (next_child_for_group): New helper function.
4602 (can_completely_scalarize_p): Take into account groups.
4603 (sra_hash_tree): Handle RANGE_EXPR.
4604 (sra_elt_eq): Likewise.
4605 (lookup_element): Be prepared for handling groups.
4606 (is_valid_const_index): Delete.
4607 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4608 instead of is_valid_const_index.
4609 <ARRAY_RANGE_REF>: New case.
4610 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4611 is_valid_const_index.
4612 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4613 (scan_dump): Dump info for groups too.
4614 (decide_instantiation_1): Likewise.
4615 (decide_block_copy): Assert that the element is not a group.
4616 Propagate decision to groups.
4617 (generate_one_element_ref): Handle RANGE_EXPR.
4618 (mark_no_warning): Iterate over actual childs.
4619 (generate_copy_inout): Likewise.
4620 (generate_element_copy): Likewise.
4621 (generate_element_zero): Likewise.
4622 (generate_element_init_1): Likewise.
4623 (dump_sra_elt_name): Handle RANGE_EXPR.
4625 2006-07-03 Roger Sayle <roger@eyesopen.com>
4627 PR tree-optimization/26251
4628 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4629 (thread_block): When optimizing for size refuse to thread jumps
4630 that would require duplication of blocks other than redirection
4633 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4635 * configure.ac: Fix thinko in previous check-in.
4636 * configure: Regenerate.
4638 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4641 * configure.ac (for lang...): Simplify nesting of conditionals.
4642 Test subdir_requires for non-enabled languages. Move processing
4643 of lang_opt_files and lang_tree_fiels below that test.
4644 * configure: Regenerate.
4645 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4647 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4649 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4651 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4653 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4656 2006-06-29 Jason Merrill <jason@redhat.com>
4663 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4664 * c-common.c (c_determine_visibility): Handle it here.
4665 * c-decl.c (finish_decl): Call c_determine_visibility for
4667 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4669 * varasm.c (default_assemble_visibility): Likewise.
4670 * c-common.c (handle_visibility_attribute): Complain about trying
4671 to give visibility to an already defined class, or trying to change
4672 declared visibility. Always attach the attribute.
4677 * attribs.c (decl_attributes): Ignore type-in-place attributes
4678 once the type has been defined.
4680 2006-06-29 Roger Sayle <roger@eyesopen.com>
4683 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4684 to indicate the cpplib has issued an error message for us.
4686 2006-06-29 Asher Langton <langton2@llnl.gov>
4689 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4690 insert a label at the end of an function under Mach-O.
4692 2006-06-29 Eric Christopher <echristo@apple.com>
4693 Evan Cheng <evan.cheng@apple.com>
4695 * predicates.md (vector_all_ones_operand): New.
4696 (nonimmediate_or_sse_const_operand): Ditto.
4697 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4698 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4699 (standard_sse_mode_p): Ditto.
4700 (standard_sse_constant_p): Add case for -1 vector.
4701 (ix86_expand_vector_move): Try to use.
4702 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4703 Call standard_sse_constant_opcode.
4704 (*movv4sf_internal): Ditto.
4705 (*movv2df_internal): Ditto.
4707 2006-06-29 Roger Sayle <roger@eyesopen.com>
4709 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4710 of XEXP to extract the operands of a MATCH_CODE rtx.
4712 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4714 * tree.c (tree_size): Do not waste tail padding in
4715 struct tree_string and make the size be the same as
4716 build_string will generate.
4718 2006-06-28 Jason Merrill <jason@redhat.com>
4721 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4722 may_aliases already in the tag's annotations to the bitmap.
4724 2006-06-28 Roger Sayle <roger@eyesopen.com>
4726 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4728 2006-06-28 Roger Sayle <roger@eyesopen.com>
4730 * genpreds.c (generate_switch_p): New function.
4731 (add_mode_tests): Push the new mode test down inside an AND expr
4732 if this allows the switch-suitable MATCH_CODE to be near the root.
4733 (write_match_code_switch): New function to write a MATCH_CODE as
4735 (write_predicate_stmts): New function to write a predicate RTX
4736 expression as a sequence of statements.
4737 (write_one_predicate_function): Use write_predicate_stmts.
4738 (write_tm_constrs_h): Likewise.
4740 2006-06-26 Fred Fish <fnf@specifix.com>
4742 * config/mips/t-sb1: New file.
4743 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4746 2006-06-26 DJ Delorie <dj@redhat.com>
4748 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4750 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4751 Jayant Sonar <jayants@kpitcummins.com>
4752 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4754 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4755 (subsi3, subsi3_1, subsi3_2): New.
4756 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4757 * config/m32c/mov.md (SI mov peephole): New.
4758 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4759 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4761 2006-06-26 Olivier Hainque <hainque@adacore.com>
4763 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4764 a CALL_EXPR target function declaration.
4766 2006-06-26 Richard Guenther <rguenther@suse.de>
4768 * tree.c (build_string): Do not waste tail padding in
4771 2006-06-26 Richard Guenther <rguenther@suse.de>
4773 * ggc-page.c (init_ggc): Add missing element to size_lookup
4777 2006-06-23 Richard Guenther <rguenther@suse.de>
4779 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4780 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4781 alignment requests instead. Add verification code.
4782 Add struct tree_function_decl and struct tree_binfo size to
4783 extra_order_size_table. Add missing element to size_lookup
4786 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4789 * fold-const.c (const_binop): Be prepared for self returning zero.
4790 Simplify code handling complex values.
4792 2006-06-24 Olivier Hainque <hainque@adacore.com>
4794 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4795 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4798 2006-06-24 Olivier Hainque <hainque@adacore.com>
4800 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4801 ARRAY_REF, so have the callback called for the low bound expression.
4803 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4805 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4806 * c-typeck.c (c_common_type): Disallow operations on decimal float
4807 types and other float types.
4808 * convert.c (convert_to_real): Don't ignore conversions involving
4809 decimal float types.
4811 2006-06-23 Olivier Hainque <hainque@adacore.com>
4813 * tree.c (max_int_size_in_bytes): New function, inspired from
4814 code in function.c:assign_temp.
4815 * tree.h (max_int_size_in_bytes): Declare.
4816 * function.c (assign_temp): Use it.
4817 * gimplify.c (create_tmp_var): Relax the assertions on the type
4818 properties, not mandating constant size any more.
4819 (force_constant_size): New static function.
4820 (gimple_add_tmp_var): Use it, forcing variable size to a
4821 constant upper bound if it is not constant on entry.
4823 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4826 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4827 for initialization and setting of one_only flag to ...
4828 (i386_pe_encode_section_info): ...here.
4829 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4830 Recheck that the symbol has not been defined.
4832 2006-06-23 Richard Guenther <rguenther@suse.de>
4834 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4835 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4836 alignment requests instead. Add verification code.
4837 Add struct tree_function_decl and struct tree_binfo size to
4838 extra_order_size_table. Add missing element to size_lookup
4841 2006-06-22 Roger Sayle <roger@eyesopen.com>
4842 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4845 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4846 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4848 2006-06-23 Ben Elliston <bje@au.ibm.com>
4850 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4851 negate dn -- manipulate it directly.
4853 2006-06-22 Roger Sayle <roger@eyesopen.com>
4854 Steven Bosscher <stevenb.gcc@gmail.com>
4857 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4858 generated by gen_move_insn to add REG_LABEL notes if necessary.
4860 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4862 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4863 (leaf_entry): Remove use of MIN_ESA.
4865 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4867 PR rtl-optimization/28121
4868 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4871 2006-06-21 DJ Delorie <dj@redhat.com>
4873 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4875 (mulhisi3_r): Likewise.
4877 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4880 * coverage.c (coverage_counter_alloc): Leave the index type
4882 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4885 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4887 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4888 section from the "Options for Code Generation Conventions".
4890 2006-06-21 Richard Henderson <rth@redhat.com>
4894 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4896 (global_symbolic_operand): Allow weak symbols, even if local_p.
4898 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4900 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4901 (find_interesting_uses_address): Punt if above function returns true.
4903 2006-06-21 Richard Guenther <rguenther@suse.de>
4905 * configure: Regenerated.
4907 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4909 * config/mips/mips.c (function_arg): Where one part of a
4910 complex argument is in registers and the other part in the stack,
4911 return a REG not a PARALLEL.
4913 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4915 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4916 when cross-compiling. Do not substitute libstdcxx_incdir.
4917 * configure: Regenerated.
4919 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4921 * varasm.c (mergeable_string_section): Check for embedded NULs and
4922 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4923 rather than TREE_STRING_LENGTH bytes.
4925 2006-06-21 Richard Guenther <rguenther@suse.de>
4927 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4928 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4931 2006-06-21 Richrad Guenther <rguenther@suse.de>
4933 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4934 Limit iteration over the dominators.
4936 2006-06-20 Roger Sayle <roger@eyesopen.com>
4938 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4939 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4941 2006-06-20 Richard Guenther <rguenther@suse.de>
4942 Michael Matz <matz@suse.de>
4944 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4946 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4947 * et-forest.h (et_free_pools): Prototype new function.
4948 * et-forest.c (et_free_tree_force): Free parent occurrence.
4949 (et_free_pools): New function.
4950 * dominance.c (free_dominance_info): Free et-forest alloc
4953 2006-06-20 Roger Sayle <roger@eyesopen.com>
4955 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4956 integer modes, attempt to directly construct an integer constant.
4958 * fold-const.c (native_encode_vector): Determine the size of each
4959 element from the vector type instead of the first vector element.
4961 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4962 if all of its elements/components are constant.
4963 (build_constructor_from_list): Likewise.
4965 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4967 PR tree-optimization/27331
4968 * tree-data-ref.c (free_data_ref): New function.
4969 (create_data_ref): Fail if the data reference has unknown access
4971 (free_data_refs): Use free_data_ref.
4973 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4976 * tree-inline.c (setup_one_parameter): Strip useless
4977 type conversion before adding it to the IR.
4978 (declare_return_variable): Likewise.
4980 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4983 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4985 2006-06-19 Mike Stump <mrs@apple.com>
4987 * tree.c (variably_modified_type_p): VM arguments don't make the
4990 2006-06-19 Richard Guenther <rguenther@suse.de>
4992 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4993 type conversions after folding.
4995 2006-06-19 Richard Guenther <rguenther@suse.de>
4997 * ggc-page.c (extra_order_size_tab): Add entries with
4998 size of struct function and basic_block.
4999 (size_lookup): Extend to cover sizes up to 511.
5000 (ggc_alloc_stat): Adjust user.
5001 (ggc_pch_count_object): Likewise.
5002 (ggc_pch_alloc_object): Likewise.
5003 (ggc_pch_write_object): Likewise.
5005 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5007 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5008 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5011 2006-06-19 Denis Chertykov <denisc@overta.ru>
5013 * config/avr/libgcc.S : Correct my wrong previous commit.
5015 2006-06-19 Roger Sayle <roger@eyesopen.com>
5018 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5019 have stripped a SUBREG from the shift count, so we may need to
5020 convert_to_mode back to the type's mode before calling make_tree.
5021 Use new_amount instead of amount to avoid expanding a tree twice.
5023 2006-06-19 Richard Guenther <rguenther@suse.de>
5026 * fold-const.c (operand_equal_p): Check if the argument types
5027 have the same precision before stripping NOPs.
5029 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5031 Fix PR tree-optimization/27341
5032 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5034 * tree-complex.c (pass_lower_complex): Update SMT usage.
5036 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5038 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5039 Add a new alternative to the constraint strings. Add move of
5040 operand 1 to 3 to the splitter definition.
5041 ("doloop_si_long"): Second contraint alternative removed.
5043 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5045 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5046 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5048 (AVR_HAVE_MOVW) Define.
5049 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5050 (ASM_SPEC): Add avr25.
5051 (LINK_SPEC): Add avr25.
5052 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5053 (base_arch_s): Add new member 'have_movw_lpmx'.
5054 (avr_arch_types): Init 'have_movw_lpmx'.
5055 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5056 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5057 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5058 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5059 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5061 (avr_file_start): Do not output '.arh' derective.
5062 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5063 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5064 * config/avr/avr.md (mcu_enhanced): Delete.
5065 (mcu_have_movw): Define.
5066 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5067 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5068 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5069 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5070 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5071 attiny861 and at86rf401 devices.
5073 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5075 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5078 2006-06-17 Karl Berry <karl@gnu.org>
5080 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5081 doc/gccint.texi, doc/install.texi (@dircategory): Use
5082 "Software development" instead of "Programming", following
5083 the Free Software Directory.
5085 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5087 * config/i386/i386.c (legitimate_tls_address)
5088 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5089 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5090 (*tls_dynamic_gnu2_combine_64): Likewise.
5092 2006-06-16 Richard Guenther <rguenther@suse.de>
5095 * fold-const.c (negate_expr_p): Do not introduce undefined
5096 overflow in negating INTEGER_CSTs.
5097 (fold_negate_expr): Rename from negate_expr. Revert last
5098 change for folding BIT_NOT_EXPR. Change semantics to
5099 return NULL_TREE for non-simplified negations. Do not
5100 strip type conversions and unify type handling.
5101 (negate_expr): New function, wrap around fold_negate_expr
5102 but ensure building a tree always. Strip type conversions
5103 here, fold to result type.
5104 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5106 2006-06-16 Roger Sayle <roger@eyesopen.com>
5109 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5110 that (would) return their results in stack registers.
5112 2006-06-16 Michael Matz <matz@suse.de>
5113 Richard Guenther <rguenther@suse.de>
5115 * fold-const.c (fold_truthop): Only return new tree node if
5116 we canonicalized something.
5118 2006-06-16 Richard Guenther <rguenther@suse.de>
5120 * function.h (enum function_frequency): Move declaration
5121 out of struct function.
5122 (struct function): Move bool fields and the enum to the bitfield
5123 section. Reorder elements to avoid padding. Remove unused
5124 fields left over from the RTL inliner removal.
5125 * function.c (free_after_compilation): Do not zero removed fields.
5126 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5127 (ipa-type-escape.o): Likewise.
5129 2006-06-16 Richard Guenther <rguenther@suse.de>
5131 * cgraph.h (struct cgraph_local_info): Turn bool elements
5133 (struct cgraph_node): Likewise.
5134 (struct cgraph_varpool_node): Likewise.
5136 2006-06-15 Richard Guenther <rguenther@suse.de>
5138 * fold-const.c (fold_truth_not_expr): Rename from
5139 invert_truthvalue. Give it fold_* semantics to avoid
5141 (invert_truthvalue): New function. Wrapper around
5142 fold_truth_not_expr.
5143 (optimize_minmax_comparison): Avoid creating garbage.
5144 (fold_unary): Use fold_truth_not_expr for folding
5146 (fold_ternary): Replace uses of invert_truthvalue with
5147 fold_truth_not_expr where applicable.
5148 * tree.h (fold_truth_not_expr): Prototype.
5150 2006-06-16 Richard Guenther <rguenther@suse.de>
5152 PR tree-optimization/27781
5153 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5154 * ipa-pure-const.c (target.h): Include.
5155 (analyze_function): Do not analyze functions that do not
5158 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5161 * tree-dfa.c (referenced_vars_dup_list): Remove.
5162 (find_referenced_vars): Remove assert.
5163 (referenced_var_check_and_insert): Replace dup list with assert.
5164 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5165 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5167 2006-06-15 Richard Guenther <rguenther@suse.de>
5169 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5170 extra unused identifiers if not dumping.
5171 (create_variable_info_for): Likewise.
5173 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5175 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5176 (derive_constant_upper_bound): Derive more precise upper bound in
5177 common cases. Return type changed to double_int.
5178 (record_estimate): Reflect the changed return type of
5179 derive_constant_upper_bound.
5180 * double-int.c (double_int_zext, double_int_sext): Fix.
5182 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5184 * configure.ac (CFLAGS): Get them from the toplevel or from the
5185 configure invocation.
5186 * configure: Regenerate.
5187 * Makefile.in (CFLAGS): Substitute value provided by configure.
5189 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5192 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5193 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5194 rather than calling add_stmt on it.
5195 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5197 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5200 * reload1.c (reload): Remove registers returned by update_eliminables
5201 from used_spill_regs.
5203 2006-06-13 DJ Delorie <dj@redhat.com>
5205 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5207 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5209 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5210 html__strip_dir, html__mkdir_p. Enhance install-html target.
5211 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5212 * configure: Regenerate.
5214 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5216 * fold-const.c (fold_cond_expr_with_comparison): Check for
5217 Objective-C++ as language in deciding COND_EXPR transformation.
5219 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5222 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5223 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5224 * config/sh/lib1funcs.h (SL, SL1): Define.
5225 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5226 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5227 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5228 (OBJS_Os_4_200): New variable.
5229 ($(T)libgcc-Os-4-200.a): Use it.
5230 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5231 when dividing 1 and/or by 0.
5233 2006-06-13 Roger Sayle <roger@eyesopen.com>
5235 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5236 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5237 * configure: Regenerate.
5239 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5241 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5242 for real instruction.
5244 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5247 * haifa-sched.c (check_cfg): Handle special case.
5249 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5252 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5253 Add debug_info parameter. Chain the vars to the BLOCK instead
5254 of the BIND_EXPR if debug info are requested for them.
5255 (pop_gimplify_context): Adjust for above change.
5256 (gimple_add_tmp_var): Likewise.
5257 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5259 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5260 (convert_local_reference): Likewise.
5261 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5262 (finalize_nesting_tree_1): Request that debug info be emitted
5263 for debug_var_chain.
5265 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5267 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5268 for PR target/27863.
5270 2006-06-13 Richard Guenther <rguenther@suse.de>
5273 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5275 2006-06-13 Richard Guenther <rguenther@suse.de>
5277 PR tree-optimization/27830
5278 * tree-inline.c (copy_body_r): For copying the operand
5279 of an ADDR_EXPR make sure to fold &* afterwards.
5281 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5283 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5284 lvalues in the fb_none case with side-effects.
5286 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5288 * tree-flow.h: Remove the prototype for
5289 compute_phi_arg_on_exit.
5290 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5291 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5294 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5296 * builtins.c (expand_builtin_return_addr): Only use
5297 frame_pointer_rtx when count == 0 and we are expanding
5298 __builtin_return_address.
5300 2006-06-12 Fred Fish <fnf@specifix.com>
5302 * config/mips/mips.c (mips_file_start): Create special section
5303 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5305 2006-06-11 Eric Christopher <echristo@apple.com>
5308 * stor-layout.c (place_field): Remove check for
5309 remaining_in_alignment when aligning at the end of a run.
5311 2006-06-11 Eric Christopher <echristo@apple.com>
5314 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5317 2006-06-11 Roger Sayle <roger@eyesopen.com>
5320 Revert incorrect fix for PR target/27158
5321 2006-05-08 Roger Sayle <roger@eyesopen.com>
5322 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5323 of a reg_equiv_constant if the result is a legitimate constant.
5325 2006-06-11 Roger Sayle <roger@eyesopen.com>
5328 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5329 extract a CONST_VECTOR element and interpret it as an integer.
5330 (vspltis_constant): Use const_vector_elt_as_int instead of the
5331 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5332 * config/rs6000/predicates.md (easy_vector_const): Consider
5333 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5335 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5338 * stor-layout.c (update_alignment_for_field): Don't add extra
5339 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5342 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5344 * config/mips/t-rtems: Add EL/EB multilib variants.
5346 2006-06-09 Mike Stump <mrs@apple.com>
5348 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5350 2006-06-09 David Daney <ddaney@avtrex.com>
5352 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5354 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5356 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5358 2006-06-09 Richard Guenther <rguenther@suse.de>
5360 PR tree-optimization/26998
5361 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5362 of signed types, only TYPE_MIN_VALUE is special, but for both,
5363 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5364 in this case, as is -fwrapv.
5366 2006-06-08 Mike Stump <mrs@apple.com>
5369 * config/darwin.c (darwin_asm_output_anchor): Disable
5370 -fsection-anchors on darwin for now.
5371 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5372 * rs6000/rs6000.c (optimization_options): Likewise.
5374 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5377 * config/i386/i386.c (classify_argument): Skip fields with invalid
5380 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5382 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5383 (cse_insn): Likewise for the stack_pointer_rtx.
5385 2006-06-08 Roger Sayle <roger@eyesopen.com>
5387 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5388 conditions from floating point comparisons.
5390 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5393 * expmed.c (struct alg_hash_entry): Fix type of field T
5394 to match synth_mult argument.
5395 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5397 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5400 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5403 2006-06-08 Richard Guenther <rguenther@suse.de>
5406 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5407 only, if overflow is defined and not trapping.
5408 (negate_expr): Likewise.
5410 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5412 PR tree-optimization/27872
5413 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5414 flag on the new exit edge of the unrolled loop.
5416 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5418 PR rtl-optimization/26449
5419 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5421 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5424 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5425 referenced_variables with matching DECL_UID's.
5426 (find_referenced_vars): Make sure duplicate list is empty to start.
5427 (referenced_var_p): Remove.
5428 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5429 Check if var is in the list, and add if needed. Update the duplicate
5430 list if a different var is in the list with the same DECL_UID.
5431 (add_referenced_var): Call routine to check and insert.
5432 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5433 * tree-flow.h (referenced_vars_dup_list): External declaration.
5435 2006-06-07 Fred Fish <fnf@specifix.com>
5437 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5440 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5443 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5444 the imaginary and real parts of a clobbered register.
5445 Emit insn to set the imaginary part.
5447 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5449 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5450 in lieu of unwind-dw2-fde.c.
5452 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5454 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5456 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5459 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5460 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5461 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5462 V4SImode temporaries and operations instead.
5464 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5466 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5469 2006-06-06 Mike Stump <mrs@apple.com>
5471 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5472 installing during build.
5474 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5476 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5478 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5479 * config/ia64/ia64.c (params.h): New header.
5480 (ia64_optimization_options): New function to adjust parameters.
5481 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5482 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5483 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5485 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5487 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5489 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5492 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5494 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5495 Victor Kaplansky <victork@il.ibm.com>
5497 PR tree-optimization/26360
5498 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5501 2006-06-04 Roger Sayle <roger@eyesopen.com>
5502 Andrew Pinski <pinskia@physics.uc.edu>
5505 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5506 for LABEL_DECL before calling DECL_WEAK.
5509 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5510 LABEL_DECL and PARM_DECL.
5512 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5516 * c-decl.c (grokdeclarator): Disallow variably modified types at
5517 file scope. Avoid marking shared array type of constant size as
5520 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5523 * c-common.c (fold_offsetof_1): Handle static members.
5525 2006-06-04 Eric Christopher <echristo@apple.com>
5527 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5528 (debug_rli): Output value for remaining_in_alignment.
5529 (update_alignment_for_field): Unconditionalize
5530 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5531 extra alignment code.
5532 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5533 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5534 * tree.h (record_layout_info_s): Remove prev_packed.
5535 * doc/extend.texi (ms_struct): Add documentation of format.
5537 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5539 * tree.h: Declare folding_initializer.
5540 * builtins.c (fold_builtin_constant_p): Give definite answer
5541 if folding inside an initializer.
5542 * fold-const.c: Define folding_initializer.
5543 (START_FOLD_INIT): Save and then set folding_initializer.
5544 (END_FOLD_INIT): Restore folding_initializer.
5546 2006-06-04 Richard Guenther <rguenther@suse.de>
5548 PR tree-optimization/27039
5549 * fold-const.c (fold_comparison): Handle pointer comparison
5550 again for all comparison codes. Compare offsets in signed
5552 (fold_binary): Move code from here.
5554 2006-06-03 Roger Sayle <roger@eyesopen.com>
5557 * config/i386/i386.c (construct_container): Split static issued_error
5558 flag into issued_sse_arg_error, issued_sse_ret_error and
5559 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5560 requires the use of x87 registers and the user explicitly
5561 specified the -mno-80387 command line option.
5563 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5565 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5566 HAVE_DECL_SIGALTSTACK.
5568 (segv_handler): Use MC_FLD.
5569 * configure.ac: Check for a sigaltstack declaration.
5570 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5571 * configure: Regenerate.
5572 * config.in: Regenerate.
5574 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5577 * Makefile.in (stmp-fixinc): Fix typo.
5579 2006-06-02 Roger Sayle <roger@eyesopen.com>
5581 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5582 are type correct. Clean-up.
5583 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5584 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5586 2006-06-01 DJ Delorie <dj@redhat.com>
5588 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5589 shift, as we've disabled the "switch" insn that needs it.
5591 2006-06-01 Per Bothner <bothner@bothner.com>
5593 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5594 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5595 * c-ppoutput.c (cb_define): Don't increment line 0.
5597 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5599 * doc/invoke.texi: Add cpu_type power6.
5600 * config.gcc: Add cpu_type power6.
5601 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5602 to power5+ with Altivec.
5603 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5604 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5606 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5608 * config/avr/avr.h (SET_ASM_OP): Define.
5610 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5612 * config/bfin/bfin.c: Fix comment typos.
5614 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5617 * doc/install.texi: Document --enable-bootstrap and
5618 --disable-bootstrap.
5620 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5622 * doc/install.texi: Document that InfoZIP can replace jar.
5624 2006-05-31 Roger Sayle <roger@eyesopen.com>
5626 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5627 isn't available, directly generate the simpler x87 patterns without
5628 the (use (const_int 0)).
5629 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5630 implementation isn't available.
5631 (*negdf2_1): Likewise.
5632 (*negxf2_1): XF mode negation is always done using the x87.
5633 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5635 2006-05-31 Roger Sayle <roger@eyesopen.com>
5637 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5638 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5640 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5642 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5644 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5645 * config/bfin/bfin.c (basic-block.h): Include.
5646 (struct machine_function): New.
5647 (bfin_init_machine_status): New.
5648 (override_options): Initialize init_machine_status.
5649 (bfin_hardware_loop): New.
5650 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5651 (DEF_VEC_P (loop_info)): New.
5652 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5653 (struct loop_info): New.
5654 (loop_info): New typedef.
5655 (struct loop_work): New.
5656 (loop_work): New typedef.
5657 (DEF_VEC_O (loop_work)): New.
5658 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5659 (bfin_dump_loops): New.
5660 (bfin_bb_in_loop): New.
5661 (bfin_scan_loop): New.
5662 (bfin_optimize_loop): New.
5663 (bfin_reorg_loops): New.
5664 (bfin_reorg): Use bfin_reorg_loops.
5665 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5667 (I_REGNO_P): Simplify.
5668 (DP_REGNO_P, DPREG_P): New macros.
5669 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5670 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5671 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5672 Add LT_REGS, LC_REGS, LB_REGS.
5673 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5675 (REGNO_REG_CLASS): Deal with loop registers.
5676 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5678 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5679 New constants for loop registers.
5680 (UNSPEC_LSETUP_END): New.
5681 (seq_insns): New define_attr. Set it for appropriate insns.
5682 (movsi_insn): Add alternatives for move from/to
5683 loop count registers.
5684 (doloop_end): New define_expand.
5685 (loop_end): New define_insn.
5686 (define_split for bad doloop_end): New.
5687 (lsetup_with_autoinit): New define_insn.
5688 (lsetup_without_autoinit): New define_insn.
5689 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5690 * config/bfin/predicates.md (lc_register_operand): New.
5691 (lt_register_operand): New.
5692 (lb_register_operand): New.
5693 (nondp_register_operand): New.
5694 (nondp_reg_or_memory_operand): New.
5695 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5697 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5699 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5700 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5702 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5704 * Makefile.in (CATALOGS): Add po/ prefix.
5705 * configure: Regenerated.
5707 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5710 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5711 a shift operand before calling shift_op. Avoid redundant call of
5714 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5715 DJ Delorie <dj@redhat.com>
5717 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5718 we're inserting is a singlt-bit constant.
5720 2006-05-30 Roger Sayle <roger@eyesopen.com>
5722 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5723 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5725 2006-05-30 Roger Sayle <roger@eyesopen.com>
5727 PR tree-optimization/23452
5728 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5729 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5730 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5731 complex values and with -ffast-math for FP complex values.
5733 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5735 * c-common.h: Remove the prototype for yyparse.
5736 * rtl.h: Remove the prototype for init_loop.
5738 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5740 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5743 2006-05-30 Roger Sayle <roger@eyesopen.com>
5745 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5747 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5748 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5750 2006-05-30 Dirk Mueller <dmueller@suse.de>
5753 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5754 for CONSTANT_CLASS_P expresisons.
5756 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5759 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5761 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5763 PR tree-optimization/27779
5764 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5765 initial_condition instead of CHREC_LEFT.
5767 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5769 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5770 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5771 Make prototypes ISO C90.
5773 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5774 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5776 * see.c (see_analyze_one_def): Correct check.
5777 (see_get_extension_data): Check if extension is parallel.
5778 (see_get_extension_reg): Likewise.
5780 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5783 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5784 into register for (code == GTU).
5786 2006-05-29 Roger Sayle <roger@eyesopen.com>
5788 PR tree-optimization/24964
5789 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5790 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5791 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5792 abs(x)*abs(x) as x*x for scalar floating point modes.
5794 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5797 * lambda-code.c (perfect_nestify): Don't copy statements
5798 in the inner loop: move them to the inner loop header.
5800 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5803 * c-tree.texi: Document OpenMP directives and clauses.
5805 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5807 * varasm.c (globalize_decl): Fix indentation.
5809 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5812 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5813 pass_fre, pass_store_ccp, pass_copy_prop,
5814 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5815 pass_return_slot, pass_object_size, pass_lim,
5816 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5817 pass_loop_prefetch and pass_stdarg.
5819 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5821 * config/bfin/bfin.opt (mfdpic): New option.
5822 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5823 (EXTRA_MULTILIB_PARTS): Likewise.
5824 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5825 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5827 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5828 (CRT_CALL_STATIC_FUNCTION): New.
5829 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5831 (CRT_CALL_STATIC_FUNCTION): New.
5832 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5834 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5835 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5836 (initialize_trampoline): Changed to handle FD-PIC code generation.
5837 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5838 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5839 (override_options): Disallow -mid-shared-library -mfdpic combination.
5840 Can't do unaligned ops if FD-PIC.
5841 Turn off flag_pic if trying to generate non-id-shared-library
5842 non-fdpic code, since it's not supported.
5843 (bfin_assemble_integer): New function.
5844 (TARGET_ASM_INTEGER): Define.
5845 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5847 * config/bfin/crtn.s: Restore them.
5848 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5850 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5851 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5852 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5853 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5854 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5856 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5857 FDPIC_REGS and FDPIC_FPTR_REGS.
5858 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5859 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5860 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5861 (load_funcdescsi): New pattern.
5862 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5863 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5864 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5866 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5868 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5871 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5873 * tree-flow.h: Remove the prototype for add_type_alias.
5874 * tree-ssa-alias.c (add_type_alias): Remove.
5876 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5878 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5879 config/fr30/fr30.md, config/i386/i386-interix.h,
5880 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5881 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5882 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5883 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5884 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5885 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5886 Follow spelling conventions.
5887 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5888 Follow spelling conventions.
5890 2006-05-27 Richard Guenther <rguenther@suse.de>
5893 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5894 to produce a constant of value 1 of generic type.
5896 2006-05-27 Dirk Mueller <dmueller@suse.de>
5898 * cgraphunit.c (decide_is_function_needed): Fix wrong
5901 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5903 PR rtl-optimization/27661
5904 * reload.c (find_reloads): When reloading a VOIDmode constant
5905 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5906 use Pmode as mode of the reload register.
5908 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5910 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5911 is enabled at -O and above.
5913 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5916 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5919 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5922 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5923 for anonymous variables explicitly declared by front ends.
5925 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5927 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5928 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5929 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5930 ref-all pointers, run a finalization pass for them.
5931 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5932 (finalize_ref_all_pointers): New function.
5933 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5934 regular pointer type to a ref-all pointer type.
5935 (get_tmt_for): Return the special memory tag for ref-all pointers.
5937 2006-05-25 Richard Guenther <rguenther@suse.de>
5940 * fold-const.c (fold_binary): Do not look at the stripped
5941 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5943 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5945 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5946 for LT and GT if the computed range is effectively empty.
5948 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5951 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5952 mips_quad_format formats instead of ieee_single_format,
5953 ieee_double_format and ieee_quad_format formats, respectively.
5955 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5957 PR tree-optimization/27639
5958 PR tree-optimization/26719
5959 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5960 call to scev_probably_wraps_p.
5961 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5962 used_in_pointer_arithmetic_p, convert_step): Removed.
5963 (nowrap_type_p): New function.
5964 (scev_probably_wraps_p): Rewritten.
5965 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5966 chrec_convert if chrec_convert_aggressive might have been used.
5967 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5968 scev_direction): New functions.
5969 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5970 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5971 instead of convert_step.
5972 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5973 (convert_step): Declaration removed.
5974 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5976 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5978 * df-core.c: Added to header comments.
5979 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5980 df_ur_bb_info, df_urec_bb_info): Added comments.
5981 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5982 urec, ri problems): Fixed header comments.
5983 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5984 code from df_rd_transfer_function.
5986 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5988 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5989 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5990 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5992 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5994 * expr.c (undefined_operand_subword_p): New.
5995 (emit_move_multi_word): Do not generate move from undefined bits
5996 of a paradoxical subreg.
5998 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6000 PR rtl-optimization/27736
6001 * combine.c (replaced_rhs_value): New variable.
6002 (combine_instructions): Set it.
6003 (distribute_notes): When distributing a note in replaced_rhs_insn,
6004 check whether the value was used in replaced_rhs_value.
6006 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6009 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6010 add_referenced_var instead of add_referenced_tmp_var.
6011 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6012 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6014 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6015 tree_optimize_tail_calls_1): Use add_referenced_var.
6016 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6017 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6018 Use add_referenced_var.
6019 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6020 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6021 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6022 Use add_referenced_var.
6023 * tree-dfa.c (struct walk_state): Remove.
6024 (find_referenced_vars): Remove walk state and vars_found hash table.
6025 (make_rename_temp): Use add_referenced_var.
6026 (find_vars_r): Pass less parameters to add_referenced_var.
6027 (referenced_var_p): New. Is var in referenced_var hash table.
6028 (referenced_var_insert): Assert var isn't already in hash table.
6029 (add_referenced_var): Don't need walk_state parameter. Add var if it
6030 isn't already in the hash table.
6031 (add_referenced_tmp_var): Remove.
6032 (find_new_referenced_vars_1): Use add_referenced_var.
6033 * tree-ssa-pre.c (create_expression_by_pieces,
6034 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6035 Use add_referenced_var.
6036 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6037 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6038 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6040 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6041 vect_create_data_ref_ptr, vect_create_destination_var,
6042 vect_init_vector, vect_build_loop_niters,
6043 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6044 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6045 Use add_referenced_var.
6046 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6047 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6048 (add_referenced_var): Add prototype.
6049 * tree-ssa-structalias.c (get_constraint_for,
6050 intra_create_variable_infos): Use add_referenced_var.
6052 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6054 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6055 big-endian paradoxical subregs.
6056 * var-tracking.c (struct micro_operation_def): Document that,
6057 for modify micro operations, insn is the subsequent instruction.
6058 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6059 (var_reg_set, var_mem_set): ... new functions.
6060 (add_stores): Record subsequent insn.
6061 (compute_bb_dataflow): Use new functions for MO_USE.
6062 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6063 notes after the insn, and modify notes before the insn known
6064 to be the subsequent one.
6065 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6067 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6070 * config/i386/i386.c (ix86_expand_builtin): Use
6071 gen_sse3_monitor64 for TARGET_64BIT.
6073 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6075 PR rtl-optimization/26375
6076 PR rtl-optimization/26855
6077 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6079 (df_ru_bb_local_compute): Reversed statements and removed bogus
6080 comment explaining why they should be in wrong order.
6081 (df_ru_dump, df_rd_dump): Enhanced debug info.
6082 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6084 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6085 reaching uses and fixed space problem.
6087 2006-05-23 Jan Hubicka <jh@suse.cz>
6089 * cgraphunit.c (decide_is_function_needed): Also nested functions
6090 and functions declared inline can be optimized out at -O0.
6092 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6094 * doc/install.texi (Configuration): Remove reference to CrossGCC
6098 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6101 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6102 ix86_compare_emitted is non-NULL.
6104 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6107 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6110 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6112 PR rtl-optimization/25514
6113 * combine.c (replaced_rhs_insn): New variable.
6114 (combine_instructions): Set replaced_rhs_insn when trying to replace
6115 a SET_SRC with a REG_EQUAL note.
6116 (distribute_notes): Use replaced_rhs_insn when determining the live
6117 range of a REG_DEAD register.
6119 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6120 Anatoly Sokolov <aesok@post.ru>
6122 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6123 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6124 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6125 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6126 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6127 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6128 at90usb647, at90usb1286 and at90usb1287 devices.
6129 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6130 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6132 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6134 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6136 2006-05-22 Richard Guenther <rguenther@suse.de>
6139 2006-01-31 Richard Guenther <rguenther@suse.de>
6140 Paolo Bonzini <bonzini@gnu.org>
6142 * doc/install.texi (--disable-libgcc-math): Document.
6144 2006-05-22 Richard Guenther <rguenther@suse.de>
6147 2006-01-31 Richard Guenther <rguenther@suse.de>
6149 * doc/invoke.texi (-msselibm): Document.
6150 * target.h (expand_library_builtin): New target hook.
6151 * builtins.c (expand_builtin): Use expand_library_builtin.
6152 (default_expand_library_builtin): New function.
6153 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6154 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6155 (link_gcc_math_spec): Declare.
6156 (static_specs): Add link_gcc_math_spec.
6157 * expr.h (default_expand_library_builtin): Declare.
6158 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6159 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6160 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6161 * config/i386/i386.opt (msselibm): New target option.
6162 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6163 (ix86_init_sse_abi_builtins): New function.
6164 (ix86_expand_library_builtin): Likewise.
6165 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6166 (override_options): Handle error conditions wrt -msselibm.
6167 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6168 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6169 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6172 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6175 * c-common.c (self_promoting_args_p): Skip erroneous args.
6178 * c-decl.c (finish_struct): Skip erroneous fields.
6180 2006-05-22 Nick Clifton <nickc@redhat.com>
6182 * config/cris/cris.opt (march): Remove VarExists attribute.
6183 (max-stackframe=): Likewise.
6185 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6187 * doc/rtl.texi: Fix a typo.
6188 * see.c: Fix comment typos.
6190 * tree-ssa-structalias.h (alias_info): Remove num_references.
6192 2006-05-21 Mike Stump <mrs@apple.com>
6194 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6196 (darwin_pragma_options): Use BAD instead.
6197 (darwin_pragma_unused): Likewise.
6198 (darwin_pragma_ms_struct): Likewise.
6200 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6202 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6204 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6206 PR rtl-optimization/27671
6207 * simplify-rtx.c (simplify_relational_operation_1): Fix
6208 simplifications of (eq/ne (xor x y) y) and
6209 (eq/ne (xor x y) x).
6211 PR tree-optimization/26622.
6212 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6215 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6217 * tree-cfg.c: Prune whitespace.
6218 (debug_tree_cfg): Point to correct header containing the
6221 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6224 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6226 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6229 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6230 or sorry count is non zero.
6232 2006-05-20 Andreas Schwab <schwab@suse.de>
6234 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6236 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6237 Kenneth Zadeck <zadeck@naturalbridge.com>
6239 PR rtl-optimization/26855
6241 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6243 (df_scan_alloc): Added code to properly handle multiword hard
6244 registers and add all_blocks parameter.
6245 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6246 code to properly handle multiword hard registers.
6247 (df_rescan_blocks): Added code to remove deleted blocks from
6249 (df_ref_create_structure, df_ref_record): Added code to properly
6251 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6252 and set DF_REF_PARTIAL.
6253 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6254 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6255 (df_scan_add_problem): Added flags parameter.
6256 (df_ref_create_structure): Changed switching structure.
6257 (df_bb_refs_record): Fixed case where duplicate artificial refs
6258 were created. Changed location of flags.
6259 (df_record_entry_block_defs): Added code to make stack pointer
6260 live in entry block. Refined cases where frame pointer is needed.
6261 Changed location of flags.
6262 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6263 (df_set_state): Removed function.
6264 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6265 df_insn_create_insn_record, df_insn_refs_delete,
6266 df_ref_create_structure): Formatting changes.
6267 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6268 df_delete_basic_block): New function.
6269 (df_init): Changed location of flags.
6270 (df_add_problem): Added flags parameter and the way flags are
6272 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6273 debug_df_chain): Improved debugging output.
6274 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6275 (df_refs_chain_dump): Removed df parameter.
6276 (df_iterative_dataflow): Added consistency check.
6277 (df_prune_to_subcfg): Made public.
6278 (df_analyze_problem): Added blocks_to_init parameter and made
6280 (df_ref_record, df_bb_refs_record, df_mark_reg,
6281 df_record_exit_block_uses): Whitespace changes.
6282 (df_dump): Whitespace changes.
6283 * df.h: Some reordering to remove forward references.
6284 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6285 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6286 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6287 (dataflow.flags): New field.
6288 (df.flag): Deleted field.
6289 (df_alloc_function): Added additional bitmap parameter.
6290 (df_dependent_problem_function): New type.
6291 (df_problem.changeable_flags): New field.
6292 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6293 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6294 (df_mw_hardreg): New struct.
6295 (DF_INSN_UID_MWS): New macro.
6296 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6298 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6299 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6300 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6301 (df_set_state): Removed function.
6302 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6303 * df-problems.c (df_chain_dump): Removed df parameter.
6304 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6305 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6307 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6308 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6309 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6310 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6311 DF_REF_MUST_CLOBBER cases.
6312 (df_ru_bb_local_compute_process_def,
6313 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6314 df_lr_bb_local_compute, df_ur_bb_local_compute,
6315 df_chain_create_bb): Made subreg aware.
6316 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6317 df_lr_bb_local_compute, df_lr_bb_local_compute,
6318 df_chain_create_bb): Cleanup to use proper macros.
6319 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6320 code to fixup bitvectors.
6321 (df_ri_alloc): Cleared lifetime.
6322 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6323 df_create_unused_note): New function.
6324 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6325 REG_DEAD and REG_UNUSED notes as well as register information.
6326 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6327 df_chains_dump): Fixed crash if problem was never run.
6328 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6329 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6330 df_ri_add_problem): Processes flags in uniform manner.
6331 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6332 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6333 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6334 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6335 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6336 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6337 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6338 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6339 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6340 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6341 * see.c (see_initialize_data): Ditto.
6342 * final.c (rest_of_clean_state) Added regstack_completed.
6343 * rtl.h (regstack_completed): Ditto.
6344 * reg-stack.c (regstack_completed): Ditto.
6346 2006-05-19 Mike Stump <mrs@apple.com>
6348 * c-tree.h (default_conversion): Remove.
6349 * c-common.h (default_conversion): Add.
6351 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6353 * tree-vrp.c (valid_value_p): New function.
6354 (adjust_range_with_scev): Fail if the value of bound is not
6357 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6359 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6360 (mips_fallback_frame_state): Use syscall numbers to determine
6361 the appropriate li instruction for the current ABI. Only use
6362 __NR_sigreturn for o32.
6364 2006-05-19 Nicolas Setton <setton@adacore.com>
6366 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6367 * langhooks.c (lhd_dwarf_name): New function.
6368 * langhooks-def.h (lhd_dwarf_name): Declare.
6369 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6370 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6371 * ada/misc.c (gnat_dwarf_name): New function.
6372 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6374 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6376 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6378 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6379 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6380 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6381 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6382 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6383 determine the size of Wtype, etc.
6384 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6385 (swfloatfuncs): New variable.
6386 (dwfloatfuncs): Likewise.
6387 (lib2funcs): Remove floating-point conversion functions from
6388 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6389 the set of conversion routines needed. Allow entries to specify
6390 an object name, filename and word size. Update users accordingly.
6391 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6392 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6396 2006-02-08 Roger Sayle <roger@eyesopen.com>
6399 * config/fixtfdi.c: New libgcc source file.
6400 * config/fixunstfdi.c: New source file.
6401 * config/floatditf.c: New source file.
6402 * config/floatunditf.c: New souce file.
6403 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6404 files above instead of config/mips/_tilib.c.
6405 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6407 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6409 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6410 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6412 2006-05-18 Mike Stump <mrs@apple.com>
6414 Fix up vla, vm and [*] sematics.
6420 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6421 (c_vla_unspec_p): Add.
6422 (c_vla_type_p): Add.
6423 * c-decl.c (struct c_scope): Add had_vla_unspec.
6424 (build_array_declarator): Add support for [*].
6425 (grokdeclarator): Likewise.
6426 (grokparms): Likewise.
6427 (get_parm_info): Likewise.
6428 * c-objc-common.c (c_vla_unspec_p): Likewise.
6429 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6430 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6431 typeof when argument is a variably modified type not inside sizeof or alignof.
6432 (c_parser_direct_declarator_inner): Propagate errors.
6433 (c_parser_sizeof_expression): Add support for [*].
6434 (c_parser_parms_declarator): Initialize had_vla_unspec.
6435 (c_parser_parms_list_declarator): Likewise.
6436 * c-typeck.c (c_vla_type_p): Add.
6437 (composite_type): Add support for vla compositing.
6438 (comptypes_internal): Add support for vla compatibility.
6439 (c_expr_sizeof_expr): Evaluate vla arguments.
6440 * tree.c (variably_modified_type_p): Update comment for [*].
6442 2006-05-18 Michael Matz <matz@suse.de>
6445 * config.host: Make assignments to host_xmake_file cumulative.
6446 * config.host (*-darwin*): Test $host, not $target.
6448 2006-05-12 Stuart Hastings <stuart@apple.com>
6450 * config/i386/i386.opt (-mstackrealign): New flag.
6451 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6452 (ix86_handle_cconv_attribute): Emit error when
6453 force_align_arg_pointer attribute collides with too many regparms.
6454 (ix86_function_regparm): Limit regparms when used with
6455 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6456 Support stack-realigning prologue in non-main functions. Emit
6457 warning for nested functions under -mstackrealign, emit error for
6458 nested functions with force_align_arg_pointer attribute.
6459 * doc/extend.texi (force_align_arg_pointer): Document it.
6460 * doc/invoke.texi (-mstackrealign): Document it.
6462 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6464 PR rtl-optimization/27477
6465 * combine.c (try_combine): Don't split a parallel consisting
6466 of two sets into two individual sets if both sets reference
6469 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6471 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6472 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6474 * doc/options.texi (VarExists): Updated.
6476 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6478 * unwind-dw2.c: Add declarations for uw_update_context and
6480 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6481 detected, advance frame state and context once to skip over stub.
6483 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6487 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6488 Call rewrite_into_loop_closed_ssa only when something changed.
6489 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6490 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6491 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6492 Test for perfect_nest_p here. Fix formating.
6493 (replace_uses_equiv_to_x_with_y): Fix formating.
6494 (stmt_uses_op): Removed.
6495 (can_convert_to_perfect_nest): Removed loopivs parameter.
6496 Complete the test by checking the scalar dependences.
6497 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6500 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6503 From Dan Kegel <dank@kegel.com>:
6504 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6506 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6508 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6509 if the element type is variably modified without recursing.
6511 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6514 * tree-loop-linear.c (try_interchange_loops): Test for
6515 no data dependences.
6517 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6519 PR tree-optimization/27548
6520 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6521 range of ssa names that appear on abnormal edges.
6522 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6523 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6525 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6528 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6530 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6533 * tree.h (OMP_PARALLEL_COMBINED): Define.
6534 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6535 (new_omp_context): Add is_combined_parallel argument.
6536 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6537 new_omp_context caller.
6538 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6539 Adjust gimplify_scan_omp_clauses callers.
6540 (omp_is_private): Issue errors if iteration variable is firstprivate
6541 or reduction in the current context.
6542 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6543 on combined parallel workshare constructs.
6545 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6547 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6548 (gcc-options.o): New rule.
6550 * optc-gen.awk: Protect variables for gcc-options.o with
6551 #ifdef GCC_DRIVER/#endif.
6553 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6555 Fix PR tree-optimization/27373
6556 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6557 (forward_propagate_addr_expr): Update call.
6559 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6561 * doc/options.texi: Move the Negative option.
6563 2006-05-16 Richard Guenther <rguenther@suse.de>
6565 PR tree-optimization/22303
6566 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6568 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6569 ccp_fold did not simplify the statement.
6571 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6574 * Makefile.in (GCC_OBJS): New.
6575 (OBJS-common): Add opts-common.o.
6576 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6577 (cpp$(exeext)): Likewise.
6578 (gcc.o): Also depend on opts.h.
6579 (opts-common.o): New.
6581 * common.opt (gcoff): Add Negative(gdwarf-2).
6582 (gdwarf-2): Add Negative(gstabs).
6583 (gstabs): Add Negative(gstabs+).
6584 (gstabs+): Add Negative(gvms).
6585 (gvms): Add Negative(gxcoff).
6586 (gxcoff): Add Negative(gxcoff+).
6587 (gxcoff+): Add Negative(gcoff).
6588 * config/i386/i386.opt (m32): Add Negative(m64).
6589 (m64): Add Negative(m32).
6591 * doc/options.texi: Document the Negative option.
6593 * gcc.c: Include "opts.h".
6594 (main): Call prune_options after expandargv.
6596 * optc-gen.awk: Generate common declarations for all flag
6597 variables in options.c. Output the neg_index field.
6599 * opts.c (find_opt): Moved to ...
6600 * opts-common.c: Here. New file.
6602 * opts.h (cl_option): Add a neg_index field.
6604 (prune_options): Likewise.
6606 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6609 * omp-low.c (expand_omp_parallel): Don't assert
6610 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6611 instead search for it.
6614 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6617 2006-05-16 Andreas Schwab <schwab@suse.de>
6619 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6622 2006-05-15 Roger Sayle <roger@eyesopen.com>
6625 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6626 integer constants other than zero are only legitimate on TARGET_64BIT.
6627 <CONST_VECTOR> Only zero vectors are legitimate.
6628 (ix86_cannot_force_const_mem): Integral and vector constants can
6629 always be put in the constant pool.
6631 2006-05-16 DJ Delorie <dj@redhat.com>
6633 * crtstuff.c (__dso_handle): Set section from
6634 TARGET_LBIGCC_SDATA_SECTION if defined.
6635 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6636 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6638 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6641 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6644 2006-05-16 Ben Elliston <bje@au.ibm.com>
6646 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6648 2006-05-15 Per Bothner <per@bothner.com>
6650 * tree.c: (last_annotated_node): Use source_locus typedef.
6651 This permits bootstrapping with --enable-mapped-location.
6653 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6655 PR tree-optimization/26830
6656 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6657 (info_for_ssa_name, current_info_for_ssa_name_age,
6658 blocks_to_update): New variables.
6659 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6660 (clear_ssa_name_info, initialize_flags_in_bb,
6661 mark_block_for_update): New functions.
6662 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6663 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6664 prepare_def_site_for): Use mark_block_for_update.
6665 (mark_def_interesting): Assert that the processed block is marked in
6666 blocks_to_update. Do not take blocks argument.
6667 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6669 (rewrite_update_init_block, rewrite_update_stmt): Only process
6670 blocks with statements to rewrite.
6671 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6672 (update_ssa): Initialize and free blocks_to_update. Do not
6673 clear flags on statements. Do not use blocks bitmap.
6674 * tree.h (SSA_NAME_AUX): Removed.
6675 (struct tree_ssa_name): Removed aux field.
6676 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6678 2006-05-15 Richard Guenther <rguenther@suse.de>
6680 PR tree-optimization/27603
6681 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6682 Do computations in original type.
6684 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6686 * see.c: Code style changes such as redundant paranthesis,
6687 redundant intialization of local variables etc.
6688 (see_main): Declared now as static.
6689 * doc/invoke.texi: Update that -fsee is not enabled by
6692 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6694 * omp-low.c (check_omp_nesting_restrictions): New function.
6695 (scan_omp_1): Call it.
6698 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6699 construct, return *VAR.
6701 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6703 PR rtl-optimization/27406
6704 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6707 2006-05-14 Roger Sayle <roger@eyesopen.com>
6709 PR rtl-optimization/27538
6710 * combine.c (expand_compound_operation): Call gen_lowpart
6711 before calling simplify_shift_const.
6713 2006-05-14 Roger Sayle <roger@eyesopen.com>
6715 PR rtl-optimization/22563
6716 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6717 a fixed width bitfield, always force the intermediates into psuedos.
6719 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6722 * mkconfig.sh: Use operator = instead of == for test.
6724 2006-05-13 Nick Clifton <nickc@redhat.com>
6726 * dwarf2out.c (dbx_reg_number): Check return value from
6727 LEAF_REG_REMAP and only use it if it is valid.
6728 (multiple_reg_loc_descriptor): Likewise.
6730 2006-05-13 Richard Guenther <rguenther@suse.de>
6732 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6735 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6737 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6738 information attached to non-INSNs such as NOTEs.
6739 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6741 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6743 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6745 * config/s390/s390.md: Adjust comment describing On constraint.
6747 2006-05-11 Jan Hubicka <jh@suse.cz>
6749 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6750 to be output at -O0.
6752 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6755 * fold-const.c (size_binop): Move sanity check for arguments to
6756 the beginning of the function.
6759 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6762 2006-05-11 Richard Guenther <rguenther@suse.de>
6765 * fold-const.c (fold_unary): Handle intermediate conversion
6766 to a pointer type like intermediate conversion to an integer
6767 type in folding of (T1)(T2)var to var.
6768 Match the code to the comment in the final conversion for
6769 (T1)(T2)var to (T1)var regarding to type precision. Rather
6770 than disallow T1 being of pointer type, assert that both T1
6771 and var are of pointer type or not. Make sure not to fall
6772 over the frontends lazyness wrt array to pointer decay though.
6774 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6776 * arm.c (arm_struct_value_rtx): Delete.
6777 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6778 (arm_init_cumulative_args): Always initialize nregs to zero.
6780 2006-05-10 Richard Guenther <rguenther@suse.de>
6782 PR tree-optimization/27532
6783 * tree-object-size.c (plus_expr_object_size): Fix typo.
6785 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6788 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6789 ashrdi_const, ashrdi3): Use a scratch register.
6791 2006-05-10 Richard Guenther <rguenther@suse.de>
6793 PR tree-optimization/27302
6794 * fold-const.c (operand_equal_p): For two comparisons,
6795 try comparison of one comparison code swapped if that yields
6798 2006-05-10 Ben Elliston <bje@au.ibm.com>
6800 * tree-pretty-print.c (pretty_print_string): No need to handle
6801 '\0' as a special character.
6803 * tree.h: Include "hashtab.h".
6804 (iterative_hash_expr): Use hashval_t in its prototype.
6805 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6807 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6810 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6811 (hppa*64*-*-hpux11*): Ditto.
6812 (hppa[12]*-*-hpux11*): Ditto.
6814 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6817 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6819 2006-05-09 Michael Matz <matz@suse.de>
6821 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6822 host_extra_gcc_objs and host_xmake_file.
6823 (<*-*-linux*>): Don't overwrite host_xmake_file.
6824 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6825 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6826 (host_detect_local_cpu): Declare.
6827 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6828 * config/i386/i386.c (override_options): Handle -mtune=native
6830 * config/i386/x-i386: New file.
6831 * config/i386/driver-i386.c: New file.
6832 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6835 2006-05-09 Dirk Mueller <dmueller@suse.de>
6836 Richard Guenther <rguenther@suse.de>
6839 * fold-const.c (fold_read_from_constant_string): Relax check
6840 for matching types to matching modes.
6842 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6844 PR rtl-optimization/27335
6845 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6848 2006-05-08 Chao-ying Fu <fu@mips.com>
6849 Richard Sandiford <richard@codesourcery.com>
6851 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6852 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6853 * config/mips/mips.md (UNSPEC_SCC): New constant.
6854 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6855 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6856 (mips_emit_compare): Use it.
6857 (mips_expand_vcondv2sf): New function.
6859 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6861 Fix PR tree-optimization/27093
6862 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6863 renaming when they become not-used_alone.
6865 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6867 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6868 relocation and relocation stubs.
6870 2006-05-08 Eric Christopher <echristo@apple.com>
6872 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6875 2006-05-08 Jan Hubicka <jh@suse.cz>
6878 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6879 unused static functions are needed.
6881 2006-05-08 Roger Sayle <roger@eyesopen.com>
6884 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6885 of a reg_equiv_constant if the result is a legitimate constant.
6887 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6890 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6891 standard 80387 constants, raise the cost to prevent
6892 compress_float_constant() to generate load from memory.
6894 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6896 * config/arm/constraints.md (c): Fix a typo.
6898 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6901 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6904 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6906 (_mm_mwait): Likewise.
6908 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6910 (sse3_monitor): Make it 32bit only.
6911 (sse3_monitor64): New. 64bit monitor.
6913 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6916 * config/i386/i386.c (classify_argument): Skip fields with invalid
6919 2006-05-07 Richard Guenther <rguenther@suse.de>
6921 PR tree-optimization/27409
6922 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6923 Do not try to find zero-sized subvars.
6925 2006-05-07 Richard Guenther <rguenther@suse.de>
6927 PR tree-optimization/27136
6928 * tree-ssa-loop-niter.c (get_val_for): Correct function
6929 comment, assert requirements.
6930 (loop_niter_by_eval): Stop processing if the iterated
6931 value did not simplify.
6933 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6935 * opts.c (flag_see): remove its setting at -O3.
6937 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6939 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6940 * arm/constraints.md: New file.
6941 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6942 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6943 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6944 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6945 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6946 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6947 * arm.md: Include constraints.md.
6948 (thumb_movsi_insn): Use satisfies_constraint_J.
6949 (movhi, movqi): Use satisfies_constraint_I.
6951 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6953 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6954 for atmeg a645 device.
6956 2006-05-06 Richard Guenther <rguenther@suse.de>
6958 PR tree-optimization/27151
6959 * tree-vect-transform.c (vectorizable_condition): Punt on
6960 values that have a different type than the condition.
6962 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6965 * c-parser.c (c_parser_cast_expression): Only insert casts into
6966 hash table if pointer.
6967 * function.c (used_types_insert_helper): Rename from
6969 (used_types_insert): Call used_types_insert_helper.
6970 * function.h (used_types_insert): Accept only one argument.
6972 2006-05-05 David Edelsohn <edesohn@gnu.org>
6974 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6975 scratch with output modifier.
6977 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6980 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6981 with output modifier.
6983 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6986 * config/mips/mips.c (mips_symbolic_address_p): Return true
6987 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6988 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6990 2006-05-04 Richard Guenther <rguenther@suse.de>
6992 PR tree-optimization/14287
6993 PR tree-optimization/14844
6994 PR tree-optimization/19792
6995 PR tree-optimization/21608
6996 PR tree-optimization/27090
6997 * tree-ssa-pre.c (try_combine_conversion): New function.
6998 (compute_avail): After constructing the value-handle
6999 expression, use try_combine_conversion to combine NOP_EXPRs
7000 with previous value-handle expressions and use the result if it
7003 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7005 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7007 2006-05-04 Jan Hubicka <jh@suse.cz>
7010 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7012 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7014 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7015 that this only matches CONST_INTs. All users changed to VOIDmode
7018 * config/bfin/bfin.c: Include "optabs.h".
7019 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7021 (enum bfin_builtins): Add a number of fractional and vector builtins.
7022 (bfin_init_builtins): Likewise.
7023 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7024 (safe_vector_operand, bfin_expand_binop_builtin,
7025 bfin_expand_unop_builtin): New functions.
7026 (bfin_expand_builtin): Handle the new builtins.
7027 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7030 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7033 * Makefile.in (OBJS-common): Add see.o.
7034 (see.o): Add dependencies.
7035 * common.opt (fsee): New flag for the see optimization was added.
7036 * opts.c (flag_see): Initialized.
7037 * passes.c (init_optimization_passes, pass_see): New pass.
7038 * rtl.h (see_main): Declaration as extern.
7039 * timevar.def (TV_SEE): New.
7040 * tree-pass.h (pass_see): Declaration as extern.
7041 * invoke.texi (-fsee): Document.
7042 * recog.c (validate_simplify_insn): New function.
7043 * recog.h (validate_simplify_insn): Declaration as extern.
7044 * df-problems.c (df_chain_dump): Check for NULL.
7046 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7047 Daniel Berlin <dberlin@dberlin.org>
7049 * cfgrtl.c (insert_insn_bb_end_new): New function.
7050 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7052 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7054 * df.h (struct web_entry): Moved from web.c.
7055 (union_defs): Declaration as extern.
7056 (unionfind_root): Likewise.
7057 (unionfind_union): Likewise.
7058 * web.c (struct web_entry): Moved to df.h.
7059 (unionfind_root): Remove static declaration.
7060 (unionfind_union): Likewise.
7061 (union_defs): Likewise and generalize to use callback function.
7062 (web_main): Update arguments for union_defs function call.
7064 2006-05-04 Richard Guenther <rguenther@suse.de>
7066 PR tree-optimization/26447
7067 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7068 produce SSA_NAME copies before the store stmt to avoid
7069 breaking exception handling.
7071 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7074 * gimplify.c (omp_is_private): If var is shared in some outer context,
7075 return false instead of true. Stop searching on parallel context
7078 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7081 * coverage.c: Use get_gcov_unsigned_t() instead of
7082 unsigned_type_node all over.
7084 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7086 PR tree-optimization/27381
7087 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7088 maintain the same immediate_use links.
7089 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7090 node rather than segfaulting.
7092 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7095 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7096 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7097 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7099 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7101 Fix PR tree-optimization/26626
7102 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7104 * tree-ssa-operands.c (access_can_touch_variable): Allow
7105 typecasting through union pointers.
7107 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7110 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7111 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7112 to find if var will be a global variable even in the nested context.
7113 (omp_copy_decl): Only check for global variable at the end, it might
7114 be overridden in outer contexts.
7115 (scan_sharing_clauses): For global variables don't create a field.
7116 (lower_rec_input_clauses): Do nothing for global shared variables.
7117 Emit a barrier at the end of ILIST if there were any decls in both
7118 firstprivate and lastprivate clauses.
7119 (lower_send_clauses): Do nothing for global variables except for
7122 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7124 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7125 of the correct signedness is returned.
7127 2006-05-02 Jeff Law <law@redhat.com>
7129 PR tree-optimization/27364
7130 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7131 multiply expressions.
7133 2006-05-02 Tom Tromey <tromey@redhat.com>
7135 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7137 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7140 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7141 -mthumb -fPIC are used.
7143 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7144 Joshua Kinard <kumba@gentoo.org>
7147 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7148 with 64-bit pointers.
7150 2006-05-02 Paul Brook <paul@codesourcery.com>
7152 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7154 (create_fix_barrier): Check that a suitable barrier location is
7156 (arm_reorg): Include ftmp->address in allowable range of addresses.
7158 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7161 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7164 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7167 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7168 around RESULT_DECL for result passed by reference.
7169 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7170 * omp-low.c (use_pointer_for_field): Don't look at
7171 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7172 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7173 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7174 time or var for passing by reference for
7175 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7176 TREE_ADDRESSABLE variables when passing by reference.
7178 * omp-low.c (dump_omp_region): Fix output formatting.
7181 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7182 (expand_omp_parallel): Likewise.
7183 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7186 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7187 on statement list containing also constructors and destructors.
7188 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7191 * except.c (duplicate_eh_regions): Fix clearing of
7192 cfun->eh->region_array entries.
7194 2006-05-01 DJ Delorie <dj@redhat.com>
7196 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7198 (gcc_cv_objdump): Likewise.
7199 * configure: Regenerated.
7201 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7204 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7205 templates for case 3 and 4.
7207 2006-05-01 DJ Delorie <dj@redhat.com>
7209 * vec.c: Include bconfig.h when appropriate.
7210 * Makefile.in (build/vec.o): Adjust dependencies.
7211 * mkconfig.sh: Make sure config.h isn't used for build machine
7214 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7216 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7218 (mark_phi_for_rewrite): New function.
7219 (insert_phi_nodes_for, mark_use_interesting): Call
7220 mark_phi_for_rewrite.
7221 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7222 (update_ssa): Initialize and free phis_to_rewrite.
7224 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7226 PR rtl-optimization/27291
7227 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7228 folded to a constant.
7230 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7232 PR tree-optimization/27283
7233 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7234 not whole # of iteration descriptions.
7235 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7236 uses abnormal ssa name.
7237 (niter_for_single_dom_exit): Ditto.
7238 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7239 return just the number of iterations.
7241 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7243 PR tree-optimization/27144
7244 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7245 (record_estimate): Only record constant upper bound.
7246 (infer_loop_bounds_from_undefined): Call
7247 compute_estimated_nb_iterations just once.
7248 (proved_non_wrapping_p): Renamed to ...
7249 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7250 (convert_step_widening, scev_probably_wraps_p): Call
7251 n_of_executions_at_most instead of proved_non_wrapping_p.
7252 (substitute_in_loop_info): Do not replace values in bounds.
7253 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7256 2006-05-01 Richard Henderson <rth@redhat.com>
7259 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7260 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7263 2006-05-01 Roger Sayle <roger@eyesopen.com>
7265 * c-typeck.c (parser_build_binary_op): Don't call the function
7266 unsigned_conversion_warning to spot operand/result type overflow.
7267 (build_binary_op): Instead, call convert_and_check instead of
7268 convert to report the problem when the operands are promoted.
7269 * c-common.c (unsigned_conversion_warning): Make static.
7270 * c-common.h (unsigned_conversion_warning): Delete prototype.
7272 2006-05-01 Richard Guenther <rguenther@suse.de>
7274 PR tree-optimization/26726
7275 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7277 (find_interesting_uses_address): ... we work around here
7278 by folding INDIRECT_REFs in the substituted base.
7280 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7282 * omp-low.c (dump_omp_region): Add newlines.
7284 2006-04-30 Roger Sayle <roger@eyesopen.com>
7286 * common.opt (Woverflow): New command line option.
7287 * c-common.c (constant_expression_warning): Check warn_overflow.
7288 (overflow_waring): Pass OPT_Woverflow to warning.
7289 (unsigned_conversion_warning): Likewise.
7290 (convert_and_check): Likewise.
7291 * doc/invoke.texi: Document new command line option.
7293 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7295 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7296 TARGET_NO_FP_IN_TOC for section anchors.
7297 (optimization_options): Enable section anchors for all
7298 non-"Objective" languages.
7300 2006-04-28 Eric Christopher <echristo@apple.com>
7302 * config/darwin-c.c (darwin_ms_struct): Move this
7303 (darwin_set_default_type_attributes): and this...
7304 * config/darwin.c: ... here.
7305 * config/darwin.h (darwin_ms_struct): Declare.
7307 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7309 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7311 2006-04-28 Roger Sayle <roger@eyesopen.com>
7314 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7315 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7316 an unsigned HOST_WIDE_INT.
7317 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7319 (really_start_incremental_init): No need to call convert because
7320 bitsize_zero_node is already of type bitsizetype.
7321 (push_init_level): Extract the value of constructor_index as an
7322 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7323 (process_init_element): Likewise.
7325 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7327 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7328 value before passing to make_relative_prefix.
7330 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7333 * builtins.c (expand_builtin_memset): Expand val in original mode.
7335 2006-04-27 Eric Christopher <echristo@apple.com>
7337 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7338 with #ifndef/#endif.
7339 * config/darwin-c.c (darwin_ms_struct): New.
7340 (darwin_pragma_ms_struct): Ditto.
7341 (darwin_set_default_type_attributes): Ditto.
7342 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7343 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7344 Register ms_struct pragma.
7345 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7346 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7347 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7348 darwin_set_default_type_attributes if TARGET_MACHO.
7350 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7352 PR tree-optimization/26854
7353 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7354 * doc/tree-ssa.texi: Update immuse iterator documentation.
7355 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7356 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7357 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7358 first_safe_imm_use, next_safe_imm_use): Remove.
7359 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7360 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7361 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7362 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7363 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7364 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7365 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7366 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7367 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7368 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7369 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7370 (perfect_nestify): Use new iterator.
7371 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7373 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7374 (next_imm_name): New field in struct immediate_use_iterator_d.
7375 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7376 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7377 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7378 * tree-cfg.c (replace_uses_by): Use new iterator.
7379 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7380 * tree-ssa-operands.c (correct_use_link): Remove.
7381 (finalize_ssa_use_ops): No longer call correct_use_link.
7383 2006-04-27 Stuart Hastings <stuart@apple.com>
7385 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7386 * config/t-darwin (crt3.o): Use it.
7387 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7388 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7389 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7390 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7391 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7394 2006-04-27 Roger Sayle <roger@eyesopen.com>
7396 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7397 size, force the intermediate into a new pseudo rather instead of
7398 performing both a bitwise AND and a bitwise IOR in memory.
7400 2006-04-27 Richard Guenther <rguenther@suse.de>
7402 PR rtl-optimization/26685
7403 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7404 this one "max-flow-memory-locations".
7406 2006-04-27 Richard Guenther <rguenther@suse.de>
7408 PR tree-optimization/25148
7409 * tree-vrp.c (compare_values): Remove code dealing with
7410 comparisons against type min/max value. Honour overflow
7411 and negative constants in code dealing with comparisons
7412 of plus and minus expressions.
7413 (value_inside_range): Use fold_binary with LE_EXPR and
7414 GE_EXPR rather than compare_values.
7416 2006-04-27 Dirk Mueller <dmueller@suse.de>
7418 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7421 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7423 * basic-block.h (safe_insert_insn_on_edge): Removed.
7424 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7426 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7427 Paolo Bonzini <bonzini@gnu.org>
7430 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7431 (simplify_and_const_int): Same.
7433 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7435 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7437 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7440 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7441 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7442 cgraph_global_info_ready.
7445 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7448 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7449 either decl or init is error_mark_node.
7452 * tree-flow.h (struct omp_region): Add sched_kind.
7453 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7454 instead of extracting omp for data.
7455 (expand_omp_for): Save extracted sched_kind.
7457 2006-04-25 Roger Sayle <roger@eyesopen.com>
7459 * expmed.c (store_bit_field): Also check whether the bitsize is
7460 valid for the machine's "insv" instruction before moving the
7461 target into a pseudo for use with the insv.
7462 * config/i386/predicates.md (const8_operand): New predicate.
7463 * config/i386/i386.md (extv, extzv, insv): Use the new
7464 const8_operand predicate where appropriate.
7466 2006-04-25 DJ Delorie <dj@redhat.com>
7468 * doc/install.texi (Specific): Clarify that this is not a list of
7469 supported hosts or targets.
7471 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7473 PR rtl-optimization/26725
7474 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7475 block's BB_DIRTY flag.
7477 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7479 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7482 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7483 to print an integer.
7485 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7487 * varasm.c (align_variable): New function.
7488 (get_block_for_decl): Apply align_variable to DECL before
7489 calculating section information.
7490 (assemble_variable): Split out alignment computation.
7492 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7494 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7497 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7499 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7500 MODE_PARTIAL_INT mode.
7501 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7502 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7504 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7505 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7507 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7509 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7511 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7512 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7513 MACFLAG_IH): Likewise.
7514 (movstricthi_1): Renamed from "*movstricthi".
7515 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7516 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7517 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7518 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7519 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7520 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7521 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7522 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7523 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7524 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7525 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7526 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7527 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7528 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7529 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7531 * doc/rtl.texi (ss_ashift): Improve wording.
7533 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7535 * dwarf2out.c (verify_marks_clear): New.
7536 (prune_unused_types): Call verify_marks_clear initially, not
7539 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7541 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7542 * doc/rtl.texi: Document them.
7543 * simplify-rtx.c (simplify_unary_operation,
7544 simplify_binary_operation_1): Don't abort when we see them.
7546 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7549 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7550 * configure.ac: Completely disregard languages that are not
7552 * configure: Regenerated.
7554 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7555 Richard Guenther <rguenther@suse.de>
7557 PR tree-optimization/27236
7558 * tree-inline.c (copy_body_r): Make sure to copy
7559 TREE_THIS_VOLATILE flag.
7561 2006-04-24 Richard Guenther <rguenther@suse.de>
7564 * tree-complex.c (update_parameter_components): Don't handle
7565 unused parameters which have no default def.
7567 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7568 Richard Guenther <rguenther@suse.de>
7570 PR tree-optimization/27218
7571 * tree-inline.c (expand_call_inline): Strip useless type
7572 conversions for the return slot address.
7574 2006-04-24 Richard Guenther <rguenther@suse.de>
7576 * cfgloop.h (struct loops): Remove unused field array. Reorder
7578 (LOOP_PREFETCH): Remove.
7580 2006-04-24 Richard Guenther <rguenther@suse.de>
7582 PR tree-optimization/22525
7583 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7584 variable, adjust types of generated expressions.
7586 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7588 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7589 (tree-vect-patterns.o): Likewise.
7591 (cselib.o): Likewise.
7592 (loop-doloop.o): Likewise.
7593 (regclass.o): Likewise.
7594 (reload1.o): Likewise.
7595 (explow.o): Replace target.h with $(TARGET_H).
7596 (ipa-prop.o): Likewise.
7597 (ipa-cp.o): Likewise.
7598 (ipa-inline.o): Likewise.
7599 (reorg.o): Likewise.
7600 (reg-stack.o): Likewise.
7602 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7604 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7606 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7608 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7610 * configure.ac: Completely disregard languages that are not
7612 * configure: Regenerated.
7615 * c-common.h (c_build_bitfield_integer_type): Declare.
7616 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7617 * c-common.c (c_build_bitfield_integer_type): ... here.
7619 2006-04-23 Roger Sayle <roger@eyesopen.com>
7622 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7623 a SImode SUBREG of a floating point register after no_new_pseudos.
7625 2006-04-23 Roger Sayle <roger@eyesopen.com>
7627 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7628 identify potentially eliminable registers to additionally catch
7629 VIRTUAL_INCOMING_ARGS_REGNUM.
7630 (addsi3): Update the conditions on when to use addsi_small_int.
7632 2006-04-23 Roger Sayle <roger@eyesopen.com>
7635 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7636 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7637 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7639 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7641 * fold-const.c (range_predecessor): Use operand_equal_p
7642 as the predicate for equality.
7643 (range_successor): Likewise.
7645 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7648 * config/soft-fp/op-common.h: Fix a typo.
7650 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7653 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7654 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7656 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7658 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7660 * doc/tm.texi: Fix a typo.
7662 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7664 * dwarf2out.c (struct die_struct): Document that die_sib makes
7665 a circular linked list.
7666 (FOR_EACH_CHILD): New.
7667 (reverse_die_lists): Delete.
7668 (reverse_all_dies): Delete.
7669 (add_dwarf_attr): Correct documentation.
7670 (remove_child_with_prev): New.
7671 (remove_child_TAG): Update for change to die_struct, use
7672 remove_child_with_prev.
7673 (add_child_die): Update for change to die_struct.
7674 (splice_child_die): Use remove_child_with_prev and add_child_die.
7675 (print_die): Use FOR_EACH_CHILD.
7676 (die_checksum): Likewise.
7677 (assign_symbol_names): Likewise.
7678 (output_location_lists): Likewise.
7679 (build_abbrev_table): Likewise.
7680 (calc_die_sizes): Likewise.
7681 (mark_dies): Likewise.
7682 (unmark_dies): Likewise.
7683 (unmark_all_dies): Likewise.
7684 (output_die): Likewise.
7685 (prune_unused_types_mark): Likewise.
7686 (prune_unused_types_walk): Likewise.
7687 (same_die_p): Update for change to die_struct.
7688 (break_out_includes): Likewise.
7689 (prune_unused_types_prune): Likewise.
7690 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7691 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7693 (dwarf2out_finish): Don't call reverse_all_dies.
7695 2006-04-21 Eric Christopher <echristo@apple.com>
7697 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7698 in comments and function names.
7700 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7703 * c-typeck.c (digest_init): Robustify.
7705 * c-typeck.c (pop_init_level): Simplify.
7707 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7709 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7711 2006-04-21 Paul Brook <paul@codesourcery.com>
7713 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7714 hardware floating point.
7716 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7718 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7721 2006-04-21 Nick Clifton <nickc@redhat.com>
7723 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7726 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7729 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7730 C++ lang type in traceback table for Objective-C++.
7732 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7734 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7736 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7738 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7741 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7742 were errors. Remove check for erroneous objects.
7744 2006-04-20 Jeff Law <law@redhat.com>
7746 PR tree-optimization/26854
7747 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7748 checking for zero or one use.
7749 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7750 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7751 * tree-ssa-reassoc.c (negate_value): Similarly.
7752 (reassociate_bb): Similarly.
7754 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7756 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7757 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7758 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7760 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7762 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7763 fp regs if the last fp arg doesn't fit in regs.
7765 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7768 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7769 that the last insn has the REG_INC note.
7771 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7772 Nathan Sidwell <nathan@codesourcery.com>
7775 * stor-layout.c (update_alignment_for_field): Do not align
7777 (place_union_field): Place union field at the start of the union.
7778 (place_field): Move ERROR_MARK check later, and use the current
7779 allocation position to maintain monotonicity.
7781 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7783 * dominance.c: Include timevar.h.
7784 (calculate_dominance_info): Use TV_DOMINANCE.
7785 * timevar.def (TV_DOMINANCE): New timevar.
7786 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7788 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7790 PR rtl-optimization/14261
7791 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7792 move would be an INSV insn.
7793 (noce_process_if_block): Don't optimize if the destination is a
7794 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7796 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7798 * config/s390/s390.md: Add comments with the instructions emitted
7799 by an insn pattern if macros are used.
7801 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7803 PR rtl-optimization/26026
7804 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7805 is a known power of two shifted left a variable amount.
7807 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7809 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7810 to hash table twice when the debug_str section has SECTION_MERGE.
7812 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7814 * config/soft-fp: New directory. From glibc.
7815 * config/soft-fp/t-softfp: New.
7816 * config/soft-fp/README: New.
7817 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7818 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7819 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7820 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7821 * config.gcc: Use rs6000/t-fprules-fpbit or
7822 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7824 * config/rs6000/sfp-machine.h: New. Based on glibc.
7825 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7827 * config/rs6000/t-fprules: Remove fp-bit rules.
7828 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7829 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7830 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7831 (softfp_wrap_start, softfp_wrap_end): New.
7833 2006-04-18 DJ Delorie <dj@redhat.com>
7835 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7837 2006-04-18 Devang Patel <dpatel@apple.com>
7839 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7841 2006-04-18 Nick Clifton <nickc@redhat.com>
7843 * config/sh/t-symbian: Add rule to build sh-c.o
7844 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7845 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7846 (sh_symbian_encode_section_info): Likewise.
7848 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7850 * builtins.c (expand_builtin_strcmp): Cover label definition of
7851 do_libcall with HAVE_cmpstrnsi.
7853 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7855 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7857 * function.h (temp_slot_p): New.
7858 (function): Change the type of x_used_temp_slots to
7859 VEC(temp_slot_p,gc) *.
7861 2006-04-18 Nick Clifton <nickc@redhat.com>
7863 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7864 flag_strength_reduce.
7866 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7868 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7872 Partial revert of revision 112637
7873 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7874 Dale Johannesen <dalej@apple.com>
7877 * regclass.c (struct reg_pref): Update documentation.
7878 (regclass): Set prefclass to NO_REGS if memory is the best option.
7879 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7881 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7883 PR tree-optimization/26821
7884 * tree-ssa-math-opts.c (get_constant_one): New.
7885 (insert_reciprocals): Use it.
7887 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7889 * dwarf2out.c (free_AT): Delete.
7890 (remove_AT): Update string ref counts.
7891 (remove_child_TAG): Don't call free_die.
7893 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7894 or DW_TAG_GNU_EINCL.
7895 (prune_unused_types_walk_attribs): Reset string refcounts.
7896 (prune_unused_types_update_strings): New.
7897 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7898 call free_die. Do call prune_unused_types_update_strings.
7899 (prune_unused_types): Empty debug_str_hash.
7901 2006-04-17 Roger Sayle <roger@eyesopen.com>
7903 * expr.c (expand_assignment): Optimize away no-op moves where the
7904 source and destination are equal and have no side-effects.
7906 2006-04-17 Richard Guenther <rguenther@suse.de>
7909 * reload.c (push_reload): Guard calls to get_secondary_mem
7912 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7914 * alias.c (reg_base_value, old_reg_base_value): Change the
7915 type to VEC(rtx,gc) *.
7916 (REG_BASE_VALUE, find_base_value, record_set,
7917 init_alias_analysis): Use VEC instead of VARRAY.
7919 * alias.c (alias_sets): Change the type to
7920 VEC(alias_set_entry,gc) *.
7921 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7922 VEC instead of VARRAY.
7923 (last_alias_set): Remove.
7925 * cgraph.h (cgraph_edge_p): New.
7926 Update the prototype of cgraph_function_versioning.
7927 * cgraphunit.c (cgraph_copy_node_for_versioning,
7928 cgraph_function_versioning): Use VEC instead of VARRAY.
7929 * ipa-cp.c (ipcp_insert_stage): Likewise.
7931 2006-04-16 Roger Sayle <roger@eyesopen.com>
7934 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7935 "A op B" or "A op C", we may need to convert A to the type of B and C.
7937 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7939 * target.h (struct gcc_target): Add mode_rep_extended.
7940 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7941 (init_num_sign_bit_copies_in_rep): Initialize it using
7943 (truncate_to_mode): Use it.
7944 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7945 * targhooks.h (default_mode_rep_extended): Declare it.
7946 * targhooks.c (default_mode_rep_extended): Define it.
7947 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7948 default_mode_rep_extended.
7949 (TARGET_INITIALIZER): Include it.
7950 * doc/tm.texi (Misc): Document it.
7951 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7952 (mips_truncated_to_mode): New function.
7954 2006-04-16 Roger Sayle <roger@eyesopen.com>
7957 * expr.c (compress_float_constant): Copy the narrow constant into
7958 a new pseudo before extending it to its final width.
7960 2006-04-16 Roger Sayle <roger@eyesopen.com>
7961 Andrew Pinski <pinskia@gcc.gnu.org>
7962 Dale Johannesen <dalej@apple.com>
7965 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7966 special case code to implement V8HImode and V16QImode with SSE2.
7968 2006-04-15 Roger Sayle <roger@eyesopen.com>
7970 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7971 trees are constructed with a suitable tree type.
7973 2006-04-15 Roger Sayle <roger@eyesopen.com>
7975 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7976 (integer_onep): Likewise.
7977 (integer_all_onesp): Likewise.
7978 (integer_pow2p): Likewise.
7979 (integer_nonzerop): Likewise.
7980 (real_zerop): Likewise.
7981 (real_onep): Likewise.
7982 (real_twop): Likewise.
7983 (real_minus_onep): Likewise.
7984 (int_size_in_bytes): Likewise.
7985 (host_integerp): Likewise.
7987 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7989 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7990 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7991 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7993 * tree-ssa-structalias.h (alias_info): Remove num_references.
7995 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7997 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7998 (output_bvb patterns): Likewise.
7999 * pa.c (output_bb): Use 'bb' insn for long branch case.
8000 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8001 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8002 1. Correct length operand for alternatives 1 and 2.
8003 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8004 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8006 2006-04-14 Roger Sayle <roger@eyesopen.com>
8008 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8009 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8010 were accidentally reverted by r112959.
8012 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8015 * except.h (eh_region_outermost): New prototype.
8016 * except.c (eh_region_outermost): New function.
8017 * tree-cfg.c (find_outermost_region_in_block): Use it.
8019 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8021 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8023 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8024 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8025 (init_reload, reload): Use VEC instead of VARRAY.
8026 * reload.h: Update the prototype for
8027 reg_equiv_memory_loc_varray.
8029 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8030 Eric Botcazou <ebotcazou@libertysurf.fr>
8032 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8035 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8038 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8039 to expand fallback builtin function call.
8041 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8044 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8045 and emit libcall here in case the builtin fails.
8046 (expand_builtin_strcmp): Always emit the libcall here on failure.
8048 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8050 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8051 * flow.c (reg_n_info): Change the type to
8052 VEC(reg_info_p,heap) *.
8053 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8055 * regs.h (reg_info_p): New.
8056 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8057 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8058 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8061 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8063 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8065 * params.h (MAX_SCHED_READY_INSNS): New macro.
8066 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8067 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8068 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8069 the ready list for 1 cycle during the first scheduling pass.
8070 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8072 2006-04-13 Richard Henderson <rth@redhat.com>
8075 * gimple-low.c (lower_omp_directive): Remove dead code.
8076 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8077 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8078 * omp-low.c (struct omp_region): Move to tree-flow.h.
8079 (root_omp_region): Export.
8080 (omp_regions, lookup_omp_region): Remove.
8081 (determine_parallel_type): Update for struct omp_region changes.
8082 (dump_omp_region): Dump regions with block numbers.
8083 (new_omp_region): Take type and block instead of stmt; malloc
8085 (free_omp_region_1, free_omp_regions): New.
8086 (expand_parallel_call): Take entry_stmt as argument; update for
8087 changes to omp_region.
8088 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8089 (remove_exit_barriers): New.
8090 (expand_omp_parallel): Update for struct omp_region changes.
8091 (expand_omp_synch): Likewise.
8092 (expand_omp): Likewise.
8093 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8094 (expand_omp_for_static_chunk): Likewise.
8095 (expand_omp_for): Likewise.
8096 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8097 (expand_omp_sections): Similarly, with GOMP_sections_end.
8098 (expand_omp_single): New.
8099 (build_omp_regions_1): Update for OMP_CONTINUE.
8100 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8101 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8102 OMP_SECTIONS_SECTIONS.
8103 (lower_omp_single_simple): Don't emit barrier here.
8104 (lower_omp_single_copy): Likewise.
8105 (lower_omp_single): Fix bindings, and lower to straightline now.
8106 (lower_omp_master, lower_omp_ordered): Likewise.
8107 (lower_omp_critical): Likewise.
8108 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8109 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8110 omp edges, free it afterward.
8111 (make_omp_sections_edges): Remove.
8112 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8113 (move_stmt_r): Handle OMP_CONTINUE.
8114 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8115 statement pointers to basic blocks. Add type member.
8116 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8117 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8118 * tree-inline.c (estimate_num_insns_1): Likewise.
8119 * tree-pretty-print.c (dump_generic_node): Likewise.
8120 * tree-ssa-operands.c (get_expr_operands): Likewise.
8121 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8122 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8123 (OMP_CONTINUE): New.
8124 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8125 (OMP_SECTIONS_SECTIONS): Remove.
8126 (OMP_SECTION_LAST): New.
8127 (OMP_RETURN_NOWAIT): New.
8129 2006-04-13 Roger Sayle <roger@eyesopen.com>
8131 * fold-const.c (native_encode_vector, native_interpret_real):
8132 Correct obvious mistakes in the previous check-in.
8134 2006-04-13 Roger Sayle <roger@eyesopen.com>
8136 * fold-const.c (native_encode_expr): New function to encode
8137 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8138 or VECTOR_CST into a specified buffer.
8139 (native_encode_int): New function.
8140 (native_encode_real): New function.
8141 (native_encode_complex): New function.
8142 (native_encode_vector): New function.
8143 (native_interpret_expr): Inverse of native_encode_expr to convert
8144 a target representation into an INTEGER_CST, REAL_CST etc...
8145 (native_interpret_int): New function.
8146 (native_interpret_real): New function.
8147 (native_interpret_complex): New function.
8148 (native_interpret_vector): New function.
8149 (fold_view_convert_expr): New function to constant fold/evaluate
8150 a VIEW_CONVERT_EXPR of a suitable constant expression.
8151 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8152 Change call of build1 to fold_build1 when constructing a
8155 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8156 Ulrich Weigand <uweigand@de.ibm.com>
8159 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8162 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8165 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8166 optimize to lo_sum for DFmode if !TARGET_FPRS.
8168 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8170 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8171 delete_alias_info, compute_flow_sensitive_aliasing,
8172 group_aliases): Use VEC instead of VARRAY.
8173 * tree-ssa-structalias.c (update_alias_info): Likewise.
8174 * tree-ssa-structalias.h (alias_info): Change the type of
8175 processed_ptrs to VEC(tree,heap) *.
8177 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8180 * config/sh/lib1funcs.h: New file, broken out of:
8181 * config/sh/lib1funcs.asm.
8182 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8184 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8185 * config/sh/lib1funcs-Os-4-200.asm: New file.
8186 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8187 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8188 (EXTRA_MULTILIB_PARTS): Include it.
8189 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8190 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8191 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8192 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8195 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8197 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8198 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8199 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8201 * tree-ssa-live.h: Include vecprim.h.
8202 (tree_partition_associator_d): Change the type of
8203 first_partition to VEC(int,heap) *.
8204 (tpa_first_partition): Use VEC instead of VARRAY.
8206 * Makefile.in (GTFILES): Move functions.h after tree.h.
8207 * function.c (reset_block_changes, record_block_change,
8208 check_block_change, free_block_changes): Use VEC instead of
8210 * function.h (function): Change the type of
8211 ib_boundaries_block to VEC(tree,gc) *.
8212 * tree-inline.c (copy_cfg_body): Initialize
8213 ib_boundaries_block to NULL instead of (varray_type) 0.
8215 2006-04-12 Roger Sayle <roger@eyesopen.com>
8217 * expr.c (emit_group_store): Correct operand order in call to
8218 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8219 a SUBREG_BYTE of zero.
8221 2006-04-12 Richard Guenther <rguenther@suse.de>
8223 * profile.c (compute_branch_probabilities): Remove code
8224 encapsulated in !ir_type (), which are remanents of the
8225 removed RTL profiling code.
8226 * rtl-profile.c: Remove.
8228 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8230 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8231 magic NULL_RTX comment.
8232 (function_arg): Store entire fp arg to mem if any part should go
8234 (rs6000_arg_partial_bytes): Adjust for above change.
8236 2006-04-11 Roger Sayle <roger@eyesopen.com>
8238 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8239 if it hasn't been initialized by dwarf2out_init.
8241 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8243 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8244 symbolic constants in branch patterns.
8246 2006-04-11 Roger Sayle <roger@eyesopen.com>
8248 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8250 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8252 PR rtl-optimization/27073
8253 * gcse.c (try_replace_reg): Revert last change. Continue to search
8254 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8257 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8259 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8260 aggregate types other than record and union types.
8261 (function_arg): Likewise.
8262 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8264 (function_value): In 64-bit mode, return objects that require it
8267 2006-04-11 Roger Sayle <roger@eyesopen.com>
8269 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8271 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8273 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8275 2006-04-03 Jeff Law <law@redhat.com>
8278 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8279 alias information too.
8281 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8283 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8285 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8288 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8289 (premark_used_types_helper): New.
8290 (premark_used_types): New.
8291 (gen_subprogram_die): Call premark_used_types.
8292 (prune_unused_types_walk): Do not prune perennial dies.
8293 * function.c (used_types_insert): New.
8294 * function.h (struct function): Add used_types_hash field.
8295 (used_types_insert): Add prototype.
8296 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8297 * c-parser.c (c_parser_cast_expression): Save casted types in used
8300 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8303 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8304 rs6000_explicit_options.float_gprs.
8306 2006-04-10 Roger Sayle <roger@eyesopen.com>
8308 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8309 from ix86_expand_vector_init_low_nonzero. Take an additional
8310 one_var argument indicating which element is non-zero. Support
8311 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8312 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8313 with one_var instead of ix86_expand_vector_init_low_nonzero.
8315 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8317 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8318 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8319 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8320 build/genextract.o): Depend on vecprim.h.
8321 * cfglayout.c, df-problems.c, function.c, genextract.c,
8322 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8323 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8327 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8329 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8330 Declare VECs of this type.
8331 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8332 (remove_children): Delete.
8333 (add_dwarf_attr): Use VEC routines.
8334 (add_AT_flag): Update for changes to add_dwarf_attr.
8335 (add_AT_int): Likewise.
8336 (add_AT_unsigned): Likewise.
8337 (add_AT_long_long): Likewise.
8338 (add_AT_vec): Likewise.
8339 (add_AT_string): Likewise.
8340 (add_AT_die_ref): Likewise.
8341 (add_AT_fde_ref): Likewise.
8342 (add_AT_loc): Likewise.
8343 (add_AT_loc_list): Likewise.
8344 (add_AT_addr): Likewise.
8345 (add_AT_lbl_id): Likewise.
8346 (add_AT_lineptr): Likewise.
8347 (add_AT_macptr): Likewise.
8348 (add_AT_offset): Likewise.
8349 (add_AT_range_list): Likewise.
8350 (get_AT): Use VEC_iterate.
8351 (remove_AT): Use VEC_ordered_remove.
8352 (free_die): Fold remove_children into here; have it use VEC_iterate.
8353 (print_die): Use VEC_iterate on attrs.
8354 (reverse_die_lists): Don't reverse attr lists.
8355 (die_checksum): Use VEC_iterate on attrs.
8356 (same_die_p): Likewise.
8357 (output_location_lists): Likewise.
8358 (build_abbrev_table): Likewise.
8359 (size_of_die): Likewise.
8360 (unmark_all_dies): Likewise.
8361 (output_abbrev_section): Likewise.
8362 (output_die): Likewise.
8363 (prune_unused_types_walk_attribs): Likewise.
8365 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8367 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8369 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8372 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8374 2006-04-09 Roger Sayle <roger@eyesopen.com>
8376 * expr.c (store_constructor): Don't bother clearing target if
8377 we're about to assign a vector to it using vec_init_optab.
8379 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8381 * tree-ssa-alias.c (lhs_may_store_to): New function.
8382 (recalculate_used_alone): Handle LHS of calls.
8384 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8388 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8389 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8390 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8391 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8392 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8393 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8394 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8395 stubs. Add ".align 8" directives before all ".dword" directives.
8396 (GTHREAD_USE_WEAK): Revise comment.
8397 (TARGET_ATTRIBUTE_WEAK): Define.
8398 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8399 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8400 * stublib.c: New file.
8405 * pa.md (cbranch patterns): Revise arguments used in calls to
8406 output_cbranch, output_bb and output_bvd. Add long branch length
8408 (fbranch patterns): Handle long branches.
8409 (jump): Revise length check. Revise arguments for output_lbranch call.
8410 Add long branch length attributes.
8411 (decrement_and_branch_until_zero): Add long branch length attributes.
8412 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8413 Likewise. Revise arguments for output_parallel_addb and
8414 output_parallel_movb calls.
8415 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8416 output_parallel_movb and output_parallel_addb): Update prototypes.
8417 * pa.c (output_cbranch): Revise arguments. Correct handling of
8418 nullification in long branches.
8419 (output_lbranch): Add new argument to control extraction of delay
8421 (output_bb): Handle long branches.
8422 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8423 output_parallel_addb): Likewise.
8425 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8427 PR rtl-optimization/27073
8428 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8431 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8433 * tree.h (tree_memory_tag): Add old_used_alone.
8434 (SMT_OLD_USED_ALONE): New macro.
8435 * tree-ssa-alias.c (recalculate_used_alone): Stop
8436 marking things for renaming unnecessarily.
8438 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8440 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8441 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8442 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8443 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8444 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8445 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8446 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8447 spelling convensions.
8448 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8449 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8450 typos. Follow spelling conventions.
8452 2006-04-07 DJ Delorie <dj@redhat.com>
8454 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8455 passed on the stack.
8456 (m32c_init_cumulative_args): When a function returns a structure,
8457 always pass the pointer to that return area on the stack.
8458 (m32c_function_arg_advance): Don't increment the parameter number
8459 if we're processing the returned structure pointer.
8460 (pushm_info): Reverse order of registers.
8462 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8464 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8465 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8466 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8467 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8469 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8470 chrec_fold_multiply): Same.
8471 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8472 force_expr_to_var_cost): Same.
8473 * tree-mudflap.c (mf_xform_derefs_1): Same.
8474 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8476 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8478 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8479 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8482 2006-04-07 Jan Hubicka <jh@suse.cz>
8484 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8486 2006-04-07 Richard Guenther <rguenther@suse.de>
8488 PR tree-optimization/26135
8489 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8490 loads for store copy-prop.
8491 (copy_prop_visit_stmt): Likewise.
8493 2006-04-05 Robert Millan <robertmh@gnu.org>
8495 * config/i386/linux.h: Add a comment to mark macros that are
8496 being overriden in config/k*bsd-gnu.h.
8497 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8499 * config/knetbsd-gnu.h: Ditto.
8501 2006-04-06 Jan Hubicka <jh@suse.cz>
8505 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8508 2006-04-06 Mike Stump <mrs@apple.com>
8510 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8511 for HAVE_nonlocal_goto to be consistent.
8512 (expand_builtin_nonlocal_goto): Likewise.
8513 (expand_builtin_strcmp): Use #ifdef instead of #if
8514 for HAVE_cmpstrnsi to be consistent.
8516 2006-04-05 DJ Delorie <dj@redhat.com>
8518 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8521 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8523 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8524 got-relative addressing for anything but SImode.
8526 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8527 even if the calling function doesn't modify them.
8529 2006-04-05 Richard Guenther <rguenther@suse.de>
8531 PR tree-optimization/26919
8532 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8533 to cgraph_estimate_size_after_inlining.
8535 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8537 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8539 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8541 PR tree-optimization/26996
8542 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8543 VECTOR_TYPE variables.
8545 2006-04-05 Richard Guenther <rguenther@suse.de>
8547 PR tree-optimization/26763
8548 * fold-const.c (fold_comparison): Move folding of
8549 PTR + CST CMP PTR + CST ...
8550 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8552 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8554 * doc/install.texi (Prerequisites): Refine some wording on
8555 bootstrapping and ksh.
8556 Move the version numbers of DejaGnu here from the testing section
8557 and fix casing of names.
8558 Fix markup and clarify wording for autogen requirements.
8559 Refer to GCJ instead of just java.
8560 Refer to SVN instead of CVS.
8561 Describe diffutils as useful instead of necessary.
8562 (Downloading the source): Refer to SVN instead of CVS.
8563 Adjust a link to our web site accordingly.
8564 (Configuration): Fix casing of Bison.
8565 (Building): Refer to SVN instead of CVS.
8566 Fix a sentence on the use of Bison and remove duplicate (and
8567 incorrect) version number of Bison requirement.
8568 Remove one redundant list of packages needed for building.
8569 (Specific): Avoid reference to CVS.
8571 2006-04-04 Eric Christopher <echristo@apple.com>
8573 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8574 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8575 (rs6000_handle_struct_attribute): New.
8576 (rs6000_ms_bitfield_layout_p): Ditto.
8578 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8580 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8581 NULL for dso parameter to atexit_common.
8583 2006-04-04 Eric Christopher <echristo@apple.com>
8585 * config/i386/i386.c (machopic_output_stub): Output \t
8586 between instructions and operands.
8588 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8590 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8591 satisfies_constraint_[IL] to explicit tests on value.
8593 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8595 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8596 set_nb_iterations_in_loop): Use build_int_cst instead of
8598 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8599 build_int_cst instead of convert.
8601 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8603 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8604 new value 2 for incoming.
8605 * function.c (expand_function_start): Call struct_value_rtx
8607 * config/sparc/sparc.md: Comment updated_return.
8608 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8609 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8610 struct return if sparc_std_struct_return and incoming is 2.
8611 (print_operand): Do not adjust return if
8612 sparc_std_struct_return.
8614 2006-04-04 Roger Sayle <roger@eyesopen.com>
8616 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8617 convert in the middle-end.
8618 * expr.c (store_expr, store_constructor, get_inner_reference,
8619 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8621 * tree.c (build_range_type): Likewise.
8623 2006-04-04 Tom Tromey <tromey@redhat.com>
8625 * doc/install.texi (Prerequisites): Mention jar.
8627 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8629 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8632 2006-04-04 Matthias Klose <doko@debian.org>
8634 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8638 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8641 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8643 * doc/extend.texi (Function Attributes): Rewrite visibility
8644 attribute documentation.
8645 * doc/invoke.texi (C++ Dialect Options): Rewrite
8646 -fvisibility-inlines-hidden documentation to describe something
8647 entirely different, although in practise compatible.
8648 (Code Gen Options): Warn about system headers in -fvisibility=
8651 * doc/extend.texi (Other Builtins): Document that
8652 __builtin_nan is a compile-time constant only when its argument
8655 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8657 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8658 trying to remove TRUNCATE check if all bits outside the new mode
8659 are identical to the sign bit.
8661 2006-04-03 Jeff Law <law@redhat.com>
8663 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8664 and operand scanning in some common cases.
8666 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8667 Dale Johannesen <dalej@apple.com>
8670 * regclass.c (struct reg_pref): Update documentation.
8671 (regclass): Set prefclass to NO_REGS if memory is the best option.
8672 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8673 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8674 into account. For non-registers, equate an empty preferred
8675 reload class to a `!' in the constraint; move the if clause to
8676 do so after those that reject the insn.
8677 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8679 (find_dummy_reload): Likewise.
8680 * doc/tm.texi (Register Classes): Document what it means
8681 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8682 * config/i386/i386.c (ix86_preferred_reload_class): Force
8683 using SSE registers (and return NO_REGS for floating-point
8684 constants) if math is done with SSE.
8685 (ix86_preferred_output_reload_class): New.
8686 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8687 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8688 * config/i386/i386.md: Remove # register preferences.
8690 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8693 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8694 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8695 the type of nb_iter.
8696 (instantiate_parameters_1): Convert the operands before calling
8697 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8698 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8700 2006-04-02 Roger Sayle <roger@eyesopen.com>
8702 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8703 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8705 * dojump.c (do_jump): Likewise.
8706 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8707 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8708 gimplify_boolean_expr): Likewise.
8709 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8710 * varasm.c (array_size_for_constructor): Likewise.
8711 * tree-object-size.c (compute_object_offset): Likewise.
8713 2006-04-02 Roger Sayle <roger@eyesopen.com>
8716 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8717 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8719 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8721 PR tree-optimization/26939
8722 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8724 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8726 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8727 at_stmt. Convert the type of operands before calling
8728 build_polynomial_chrec.
8729 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8731 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8732 (instantiate_parameters_1): Convert the type of operands before calling
8733 build_polynomial_chrec.
8734 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8735 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8736 reset_evolution_in_loop): Insert asserts to check the types of the
8738 (chrec_type): Moved...
8739 (eq_evolutions_p): Use operand_equal_p.
8740 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8741 the types of the operands.
8742 (chrec_type): ...here.
8743 * tree-data-ref.c (create_data_ref): Convert the operands before
8744 calling chrec_replace_initial_condition.
8745 (same_access_functions, analyze_subscript_affine_affine,
8746 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8747 (compute_subscript_distance, analyze_ziv_subscript,
8748 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8749 analyze_miv_subscript): Convert the operands before calling
8750 chrec_fold_minus or chrec_fold_plus.
8752 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8754 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8755 the dependence_relations vector.
8756 (compute_data_dependences_for_loop): Adjust call to
8757 compute_all_dependences.
8759 2006-04-01 Roger Sayle <roger@eyesopen.com>
8760 Richard Henderson <rth@redhat.com>
8762 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8763 gimple_boolify on the condition before calling gimplify_expr.
8765 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8767 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8768 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8769 the frame size. Update to use the new macros.
8770 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8771 * config/xtensa/ieee754-df.S: Likewise.
8773 2006-03-31 Richard Henderson <rth@redhat.com>
8775 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8776 (make_edges): ... here. Control fallthru creation with a local
8777 variable. Do not play with fake edges.
8778 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8779 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8782 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8784 * dwarf2.h (DW64_CIE_ID): Define.
8785 * dwarf2out.c (DWARF_CIE_ID): Define.
8786 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8787 length header. Use DWARF_CIE_ID.
8788 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8789 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8791 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8793 * config/sh/linux-atomic.asm: New file.
8794 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8796 2006-03-31 DJ Delorie <dj@redhat.com>
8798 * config/m32c/cond.md: Set condition flags properly throughout.
8799 * config/m32c/minmax.md: Likewise.
8800 * config/m32c/prologue.md: Likewise.
8801 * config/m32c/bitops.md: Likewise.
8802 * config/m32c/muldiv.md: Likewise.
8803 * config/m32c/mov.md: Likewise.
8804 * config/m32c/addsub.md: Likewise.
8805 * config/m32c/m32c.md: Likewise.
8806 * config/m32c/jump.md: Likewise.
8807 * config/m32c/shift.md: Likewise.
8809 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8810 conditionally output the pattern for this.
8811 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8812 (m32c_compare_redundant): New.
8813 (m32c_output_compare): New.
8814 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8816 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8817 dest, not src. Allow other 4-byte modes.
8819 2006-03-30 Denis Chertykov <denisc@overta.ru>
8821 * doc/md.texi: Refer to avr/constraints.md instead of
8824 2006-03-30 Roger Sayle <roger@eyesopen.com>
8826 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8827 signed vs. unsigned comparison failures on some hosts.
8829 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8832 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8833 change to FLOAT_REGS.
8835 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8836 (rs6000_override_options): Use it.
8837 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8838 only for -mabi=spe/no-spe and -mabi=altivec.
8840 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8842 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8845 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8847 * Makefile.in: Rename docdir to gcc_docdir.
8849 2006-03-30 Roger Sayle <roger@eyesopen.com>
8852 * expr.c (emit_group_store): Optimize group stores into a pseudo
8853 register by using a paradoxical subreg to initialize the destination
8854 if the first or last member of the group specifies a "low part".
8856 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8859 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8860 * target.h (struct gcc_target.speculate_insn): Change type of the
8861 second parameter to 'int'.
8862 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8863 the second operand of the DEPS_LIST.
8864 (copy_DEPS_LIST_list): Update reference to the second operand of the
8866 * rtl.h (alloc_DEPS_LIST): Update signature.
8867 * sched-int.h (ds_t): Change typedef to 'int'.
8868 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8870 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8872 * haifa-sched.c (try_ready): Change condition to restore
8873 non-speculative pattern of the instruction.
8874 (process_insn_depend_be_in_spec): Code to keep probability of the
8875 speculative dependence non-decreasing.
8877 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8879 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8880 (single_move_for_movmem): ... this. Also change all uses.
8881 (bfin_expand_strmov): Renamed to...
8882 (bfin_expand_movmem): ... this. Also change all uses.
8883 * config/bfin/bfin.md (movstrsi): Renamed to...
8884 (movstrsi): ...this.
8886 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8888 PR tree-optimization/26830
8890 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8891 (copy_prop_visit_stmt): Remove write-only variable ann.
8892 (init_copy_prop): Check variable loop depth here. Do not simulate
8893 memory-tag and virtual operand PHIs except for store copy prop.
8895 2006-03-30 Richard Guenther <rguenther@suse.de>
8897 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8898 variants with double arguments.
8900 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8902 * genpreds.c (write_tm_constrs_h): Delete variable p.
8903 * genconditions.c (write_header): Add tm-constrs.h to included
8905 * genpeep.c (main): Add toplev.h to included headers.
8906 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8907 (build/genpeep.o): Add toplev.h dependency.
8908 * config/rs6000/constraints.md: Add "W" constraint.
8910 2006-03-29 Roger Sayle <roger@eyesopen.com>
8912 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8913 sizes by correctly testing whether the size fits a host integer.
8914 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8915 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8916 SImode range for the default sizetype and bitsizetype.
8918 2006-03-29 Roger Sayle <roger@eyesopen.com>
8920 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8921 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8922 quickly if the argument is already of the correct type.
8923 Call fold_build1 instead of build1. Tidy up blank lines.
8925 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8927 * genemit.c (main): Add tm-constrs.h to included headers.
8928 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8929 * genpeep.c (main): Add tm-constrs.h to included headers.
8930 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8931 (write_tm_constrs_h): this and write complete file.
8932 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8933 (write_insn_preds_c): Add tm-constrs.h to included headers.
8934 (gen_constrs): New variable.
8935 (parse_option): Parse "-c".
8936 (main): Invoke write_tm_constrs_h.
8937 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8938 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8939 (object_out_file): Add tm-constrs.h dependency.
8940 (insn-emit.o): Same.
8941 (insn-output.o): Same.
8942 (insn-peep.o): Same.
8943 (insn-preds.o): Same.
8944 (insn-recog.o): Same.
8945 (tm-constsr.h): New target.
8946 (s-constrs-h): New target.
8948 * config/rs6000/constraints.md: New file.
8949 * config/rs6000/rs6000.c: Include tm-constrs.h.
8950 (num_insn_constant_wide): Convert to satisfies_constraint.
8951 (rs6000_rtx_costs): Convert to satisfies_constraint.
8952 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8953 (CONST_OK_FOR_LETTER_P): Delete.
8954 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8955 (EXTRA_CONSTRAINT): Delete.
8956 (EXTRA_MEMORY_CONSTRAINT): Delete.
8957 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8958 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8959 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8960 satisfies_constraint.
8962 * config/i386/i386.c: Include tm-constrs.h.
8964 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8966 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8967 * tree-data-ref.c (find_data_references_in_loop,
8968 compute_data_dependences_for_loop): Use pointers to VEC.
8969 (analyze_all_data_dependences): Adjust calls.
8970 * tree-data-ref.h (find_data_references_in_loop,
8971 compute_data_dependences_for_loop): Adjust declarations.
8972 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8973 compute_data_dependences_for_loop.
8975 2006-03-29 Paul Brook <paul@codesourcery.com>
8977 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8980 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8982 PR tree-optimization/26859
8983 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8985 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8986 for the step after fold_convert.
8988 2006-03-29 Paul Brook <paul@codesourcery.com>
8990 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8991 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8993 2006-03-29 Paul Brook <paul@codesourcery.com>
8996 * targhooks.c (default_narrow_bitfield): New fuction.
8997 * targhooks.h (default_narrow_bitfield): add prototype.
8998 * target.h (gcc_target): Add narrow_volatile_bitfield.
8999 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9000 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9001 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9002 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9004 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9006 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9008 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9009 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9010 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9011 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9012 (s390_function_arg_float): Allow SDmode and DDmode values to be
9013 passed in floating point registers.
9014 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9015 check with SCALAR_FLOAT_MODE_P.
9016 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9018 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9020 PR tree-optimization/25985
9021 * tree-ssa-loop-niter.c (number_of_iterations_le,
9022 number_of_iterations_ne): Make comments more precise.
9023 (number_of_iterations_cond): Add only_exit argument. Use the
9024 fact that signed variables do not overflow only when only_exit
9026 (loop_only_exit_p): New.
9027 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9028 number_of_iterations_cond.
9030 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9032 PR tree-optimization/26643
9033 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9036 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9038 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9039 (divsi3_i4_int): Likewise.
9041 2006-03-28 Roger Sayle <roger@eyesopen.com>
9043 * expr.c (emit_group_store): Only create a new pseudo reg if the
9044 quantity it needs to hold isn't already a suitable pseudo.
9046 2006-03-28 Jeff Law <law@redhat.com>
9048 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9049 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9051 2006-03-28 Roger Sayle <roger@eyesopen.com>
9053 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9054 the equivalent ~X & Y, and the symmetry related transformations.
9055 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9056 ~X & Y, and symmetry related transforms.
9058 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9060 Revert my 2006-03-27 patches.
9062 2006-03-28 Roger Sayle <roger@eyesopen.com>
9064 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9065 ~(T1)X, when T1 and T2 are integer types of the same precision
9066 and (T2)X isn't an extension.
9068 2006-03-28 Jeff Law <law@redhat.com>
9070 PR tree-optimization/26796
9071 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9072 need EH edge cleanups rather than purging them immediately.
9073 (eliminate_degenerate_phis): Handle queued EH cleanups.
9075 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9077 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9080 2006-03-27 Roger Sayle <roger@eyesopen.com>
9083 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9084 cast BIT_NOT_EXPR operand to the correct type.
9086 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9088 * tree-loop-linear.c: Don't include varray.h.
9089 (gather_interchange_stats, try_interchange_loops,
9090 linear_transform_loops): Use VEC instead of VARRAY.
9091 * lambda-mat.c: Don't include varray.h.
9092 * tree-chrec.c: Same.
9093 * lambda-trans.c: Same.
9094 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9095 VEC instead of VARRAY.
9096 * tree-vectorizer.h: Idem.
9097 * tree-data-ref.c (dump_data_references,
9098 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9099 initialize_data_dependence_relation, finalize_ddr_dependent,
9100 compute_all_dependences, find_data_references_in_loop,
9101 compute_data_dependences_for_loop, analyze_all_data_dependences,
9102 free_dependence_relation, free_dependence_relations,
9103 free_data_refs): Idem.
9104 * tree-data-ref.h (data_reference_p, subscript_p): New.
9105 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9106 VEC instead of VARRAY.
9107 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9108 (find_data_references_in_loop, compute_data_dependences_for_loop,
9109 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9110 dump_data_dependence_relations, free_dependence_relations,
9111 free_data_refs): Adjust declaration.
9112 (lambda_transform_legal_p): Move declaration here...
9113 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9114 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9115 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9116 vect_analyze_data_refs): Use VEC instead of VARRAY.
9117 * lambda.h (lambda_transform_legal_p): ...from here.
9118 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9119 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9120 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9121 tree-chrec.o): Don't depend on VARRAY_H.
9123 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9125 * rtl.def (Copyright): Update date.
9126 (DEPS_LIST): Change type of the second operand to 'int'.
9127 * target.h (Copyright): Update date.
9128 (struct gcc_target.speculate_insn): Change type of the second parameter
9130 * lists.c (Copyright): Update date.
9131 (alloc_DEPS_LIST): Change signature. Update reference to the second
9132 operand of the DEPS_LIST.
9133 (copy_DEPS_LIST_list): Update reference to the second operand of the
9135 * rtl.h (Copyright): Update date.
9136 (alloc_DEPS_LIST): Update signature.
9137 * sched-int.h (Copyright): Update date.
9138 (ds_t): Change typedef to 'int'.
9139 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9141 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9143 * haifa-sched.c (Copyright): Update date.
9144 (try_ready): Change condition to restore non-speculative pattern
9146 (process_insn_depend_be_in_spec): Code to keep probability of the
9147 speculative dependence non-decreasing.
9149 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9151 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9152 shut up the compiler.
9154 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9156 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9157 to use lib prefix for target.
9158 ($(T)libic_invalidate_array_4-200.a): Likewise.
9159 ($(T)libic_invalidate_array_4a.a): Likewise.
9161 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9162 J"orn Rennecke <joern.rennecke@st.com>
9164 * superh.opt: New file.
9165 * sh.c (boardtype, osruntime): Remove.
9166 * superh.h (SUBTARGET_OPTIONS): Remove.
9167 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9169 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9170 arguments with ^ and/or [].
9172 * config.gcc (sh-*-*): Add quoting to account for quirk of
9174 Replace == with = in enable_incomplete_targets test.
9176 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9177 with MASK_LITTLE_ENDIAN.
9179 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9180 * config/sh/sh.opt: Added to some comments.
9181 * config/sh/superh.h: Removed some chaff.
9183 * config/sh/sh.opt: Add m4-[1234]00* options.
9184 * config/sh/sh.c (sh_handle_option): Likewise.
9185 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9186 (ic_invalidate_array_4-100.o): New rule.
9187 ($(T)libic_invalidate_array_4-100.a): Likewise.
9188 (ic_invalidate_array_4-200.o): Likewise.
9189 ($(T)libic_invalidate_array_4-200.a): Likewise.
9190 (ic_invalidate_array_4a.o): Likewise.
9191 ($(T)libic_invalidate_array_4a.a): Likewise.
9192 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9193 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9195 * config/sh/crt1.asm: Merged in profiling code.
9196 * config/sh/superh.h (STARTFILE_SPEC): Override.
9197 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9198 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9199 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9201 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9202 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9203 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9205 * sh.opt (mpretend-cmove): New option.
9206 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9207 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9208 (movsicc): Add TARGET_PRETEND_CMOVE code.
9210 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9212 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9213 s390_class_max_nregs): New function prototypes.
9214 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9215 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9216 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9217 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9219 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9221 * dwarf2out.c (add_location_or_const_value_attribute): Call
9222 tree_add_const_value_attribute if nothing else works.
9223 (reference_to_unused): New.
9224 (rtl_for_decl_init): Use reference_to_unused to decide whether
9225 to output an initializer.
9227 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9230 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9231 peephole removing spe frob_di_df_2.
9233 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9235 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9236 (subscript_dependence_tester_1): Declared.
9237 (print_dir_vectors, print_dist_vectors): New.
9238 (debug_data_dependence_relation): New.
9239 (dump_data_dependence_relation): Print more details.
9240 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9241 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9242 (save_dist_v, save_dir_v, add_outer_distances,
9243 build_classic_dist_vector_1): New.
9244 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9245 Don't test for lambda_vector_lexico_pos.
9246 (same_access_functions, add_multivariate_self_dist,
9247 add_other_self_distances, dir_from_dist): New.
9248 (build_classic_dir_vector): Replace implementation almost identical to
9249 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9251 (subscript_dependence_tester_1): New.
9252 (subscript_dependence_tester): Handle the lexicographically negative
9253 distance vectors by recomputing the dependence relation.
9254 (compute_affine_dependence): Remove parameter loop_nest_depth.
9255 (compute_self_dependence): Don't call compute_subscript_distance.
9256 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9257 Add a parameter for the loop_nest.
9258 (find_loop_nest_1, find_loop_nest): New.
9259 (compute_data_dependences_for_loop): Compute the loop nest, and give
9260 up if the nest is not well formed.
9261 * tree-data-ref.h (loop_p): New.
9262 (struct data_dependence_relation): Replace size_vect field with
9263 loop_nest, a vec of loops.
9264 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9265 (DDR_LOOP_NEST): New.
9266 (print_dir_vectors, print_dist_vectors,
9267 debug_data_dependence_relation): Declared.
9268 (index_in_loop_nest): New.
9269 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9270 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9273 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9275 * simplify-rtx.c (simplify_relational_operation): Call
9276 simplify_relational_operation_1 even if mode is VOIDmode.
9278 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9280 PR tree-optimization/26804
9281 * tree.h (DECL_CALL_CLOBBERED): New macro.
9282 (tree_decl_common): Add call_clobbered_flag.
9283 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9284 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9285 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9286 (mark_non_addressable): Ditto.
9287 * tree-ssa.c (verify_call_clobbered): New function.
9288 (verify_alias_info): Use it.
9289 * tree-pass.h (pass_reset_cc_flags): New prototype.
9290 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9291 (reset_cc_flags): New function.
9292 * passes.c (init_optimization_passes): Call reset_cc_flags after
9293 initializing referenced_vars.
9295 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9296 Roger Sayle <roger@eyesopen.com>
9299 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9300 to 1.0 for non-real operands. Implement A / A optimization for
9303 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9305 * config/i386/i386.c (size_cost): Correct the comment for
9306 cost of storing fp registers.
9307 (i386_cost): Likewise.
9308 (i486_cost): Likewise.
9309 (pentium_cost): Likewise.
9310 (pentiumpro_cost): Likewise.
9311 (k6_cost): Likewise.
9312 (athlon_cost): Likewise.
9313 (k8_cost): Likewise.
9314 (pentium4_cost): Likewise.
9315 (nocona_cost): Likewise.
9316 (generic64_cost): Likewise.
9317 (generic32_cost): Likewise.
9319 2006-03-24 Denis Chertykov <denisc@overta.ru>
9321 * config/avr/avr-protos.h (extra_constraint): Delete.
9322 (extra_constraint_Q): New declaration.
9323 * config/avr/constraints.md: New file.
9324 * config/avr/avr.md: Include it.
9325 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9326 (TMP_REGNO, ZERO_REGNO): Likewise.
9327 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9328 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9329 (extra_constraint): Delete.
9330 (extra_constraint_Q): Test for memory constraint 'Q'.
9331 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9332 (REG_CLASS_FROM_LETTER): Delete.
9333 (CONST_OK_FOR_LETTER_P): Delete.
9334 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9335 (EXTRA_CONSTRAINT): Delete.
9336 (TMP_REGNO): Delete.
9337 (ZERO_REGNO): Delete.
9339 2006-03-24 Jeff Law <law@redhat.com>
9341 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9342 directly. Call mark_new_vars_to_rename slightly earlier.
9344 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9346 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9348 (gen_compile_unit_die): Use new language types for Objective-C and
9350 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9351 DW_LANG_C_plus_plus.
9354 * config/t-darwin (crt3.o): Work around bug 26840.
9355 * config/darwin-crt3.c: Rewrite.
9356 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9358 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9360 * doc/invoke.texi: Document -femit-class-debug-always
9361 * common.opt: Add -femit-class-debug-always.
9363 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9365 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9366 index and base register.
9367 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9368 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9369 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9370 REGNO_OK_FOR_INDEX_P.
9371 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9373 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9374 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9375 REG_OK_FOR_BASE_P): Definitions removed.
9377 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9380 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9381 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9382 set yet or weren't marked as local yet.
9384 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9386 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9389 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9391 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9392 (rs6000_legitimate_small_data_p): Delete.
9393 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9394 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9395 and make static. Add forward declaration. Update uses.
9396 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9397 of offsettable_memref_p.
9398 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9399 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9401 2006-03-24 Jeff Law <law@redhat.com>
9403 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9404 around bug in immediate-use iterator.
9406 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9409 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9410 or __LITTLE_ENDIAN__.
9412 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9414 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9415 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9416 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9417 * config/sh/sh.opt (mdiv=): Amend description.
9418 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9419 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9420 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9421 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9422 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9423 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9424 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9425 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9426 TARGET_DIVIDE_CALL_FP.
9428 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9430 * haifa-sched.c (choose_ready): Fix type of the local variable.
9431 Move local variables. Add comment.
9432 (check_reg_live): Change signature. Make callable from debugger.
9433 * sched-int.h (check_reg_live): Update signature.
9434 * sched-ebb.c (check_reg_live): Update parameters.
9435 * sched-rgn.c (check_reg_live): Ditto.
9436 (region_head_or_leaf_p): Check pointer before dereferencing.
9437 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9438 before reload on optimization levels below 1.
9440 2006-03-23 Richard Henderson <rth@redhat.com>
9442 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9446 * config/alpha/predicates.md (local_symbolic_operand): Reject
9449 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9452 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9453 expressions which have overflowed constants.
9455 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9457 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9459 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9461 * cfgloopmanip.c (create_loop_notes): Removed.
9462 * final.c (final_scan_insn): Do not handle loop notes.
9463 * jump.c (squeeze_notes): Ditto.
9464 * cfglayout.c (skip_insns_after_block,
9465 duplicate_insn_chain): Ditto.
9466 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9468 * cfgloop.h (create_loop_notes): Declaration removed.
9470 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9472 * varasm.c (output_constant_pool): Restore fnname and fndecl
9474 (assemble_start_function): Adjust call accordingly.
9475 (assemble_end_function): Likewise.
9477 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9480 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9483 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9485 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9488 * system.h (ICE_EXIT_CODE): New macro.
9489 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9490 (diagnostic_action_after_output): Likewise.
9491 * gcc.c (fatal_ice): New function.
9492 (execute): Use it instead of fatal.
9493 (fancy_abort): Likewise.
9494 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9496 2006-03-22 Jeff Law <law@redhat.com>
9498 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9499 iv_analyze_result returning false.
9501 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9503 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9505 2006-03-22 Richard Henderson <rth@redhat.com>
9508 * except.c (duplicate_eh_regions_0): New.
9509 (duplicate_eh_region_1): Duplicate the children of the node as
9510 well as the node itself. Link them up properly.
9511 (duplicate_eh_region_2): Merge into ...
9512 (duplicate_eh_regions): ... here. Take copy_region argument, and
9513 copy only a sub-tree if asked. Simplify copying and fixup.
9514 (eh_region_outer_p): New.
9515 * except.h (duplicate_eh_regions): Update decl.
9516 (eh_region_outer_p): Declare.
9517 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9518 (lower_omp_master): Likewise.
9519 (lower_omp_ordered): Likewise.
9520 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9521 (move_stmt_r): Use it to remap labels. Handle recursion vs
9522 remap_decls_p properly.
9523 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9524 (find_outermost_region_in_block): New.
9525 (new_label_mapper): New.
9526 (move_sese_region_to_fn): Copy eh information to the new function
9528 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9530 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9533 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9535 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9536 into shared libraries.
9538 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9540 * doc/md.texi: Refer to i386/constraints.md instead of
9542 * config/i386/constraints.md: New file, extracted from...
9543 * config/i386/predicates.md: ...here.
9544 * config/i386/i386.md: Include constraints.md.
9546 2006-03-21 Jason Merrill <jason@redhat.com>
9548 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9551 * expr.c (init_block_move_fn): Force default visibility.
9552 (init_block_clear_fn): Likewise.
9553 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9554 * targhooks.c (default_external_stack_protect_fail): Likewise.
9556 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9558 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9559 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9560 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9561 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9562 (loadgp): Use mips_current_loadgp_style.
9563 (loadgp_noshared): New pattern.
9564 (sibcall_internal): Use MIPS_CALL.
9565 (sibcall_value_internal): Likewise.
9566 (sibcall_value_multiple_internal): Likewise.
9567 (call_internal): Likewise.
9568 (call_value_internal): Likewise.
9569 (call_value_multiple_internal): Likewise.
9570 (call_split): Use MIPS_CALL and add an 'S' constraint.
9571 (call_value_split): Likewise.
9572 (call_value_multiple_split): Likewise.
9573 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9574 (-mshared): New option.
9575 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9576 (mips_current_loadgp_style): Declare.
9577 * config/mips/mips.c (mips_classify_symbol): Avoid using
9578 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9579 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9580 TARGET_ABSOLUTE_ABICALLS.
9581 (override_options): Adjust comments. Improve the warning that is
9582 issued when -mabicalls and -G are used together.
9583 (mips_file_start): Remove comment.
9584 (mips_current_loadgp_style): New function.
9585 (mips_gnu_local_gp): New variable.
9586 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9588 (mips_output_function_prologue): Use mips_current_laodgp_style.
9589 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9590 the cprestore instruction.
9591 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9592 live for TARGET_ABSOLUTE_ABICALLS.
9593 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9594 (ASM_SPEC): Pass down -mshared and -mno-shared.
9595 (MIPS_CALL): New macro.
9596 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9598 * doc/invoke.texi (-mabicalls): Update documentation.
9599 (-mshared): Document.
9601 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9603 * config/ia64/unwind-hpux.c: New file.
9604 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9606 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9609 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9611 2006-03-21 Jeff Law <law@redhat.com>
9613 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9614 type conversions of a VR_VARYING source to a wider type.
9616 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9618 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9619 tm_file on Solaris 10 and later.
9620 (sparc64-*-solaris2*): Likewise.
9621 (sparc-*-solaris2*): Likewise.
9622 * config/sol26.h: Rename to config/sol2-6.h.
9623 * config/sol2-10.h: New file.
9625 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9628 * tree-ssa-pre.c (create_component_ref_by_pieces):
9631 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9634 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9635 return it immediately.
9637 2006-03-21 Michael Matz <matz@suse.de>
9639 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9641 (remove_arc, add_arc): Update num_out_arcs member.
9642 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9644 (cache_presence): New function.
9645 (compare_states_for_equiv): New function.
9646 (state_is_differed): Don't take number of outargs, adjust callers.
9647 Use new invariant for speeding up.
9648 (init_equiv_class): Create initial classes based on sorted
9650 (partition_equiv_class): Don't track out_arcs_num.
9651 (evaluate_equiv_classes): Call cache_presence on all states and
9654 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9656 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9657 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9658 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9659 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9661 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9662 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9663 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9664 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9665 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9667 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9668 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9669 (REGNO_REG_CLASS): ARGP is in PREGS.
9670 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9672 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9673 to deal with those addresses.
9674 * addresses.h: New file.
9675 * caller-save.c: Include "addresses.h".
9676 (init_caller_save): Use new base_reg_class function.
9677 * rtl-factoring.c: Include "addresses.h".
9678 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9679 * recog.c: Include "addresses.h".
9680 (preprocess_constraints): Use new base_reg_class function.
9681 * regrename.c: Include "addresses.h".
9682 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9683 functions. Keep track of a new var INDEX_CODE to compute valid
9685 (replace_oldest_value_addr): Likewise.
9686 (replace_oldest_value_mem): Use base_reg_class.
9687 * reload.c: Include "addresses.h".
9688 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9689 (find_reloads): Use new base_reg_class function.
9690 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9691 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9692 all callers and prototype changed.
9693 * reload1.c: Include "addresses.h".
9694 (maybe_fix_stack_asms): Use base_reg_class.
9695 * regclass.c: Include "addresses.h".
9696 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9697 (init_reg_autoinc): Use new base_reg_class function.
9698 (record_reg_classes): Likewise.
9699 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9700 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9701 Use new args to compute necessary class.
9703 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9704 regrename.o, rtl-factoring.o): Update dependencies.
9705 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9706 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9707 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9708 REG_OK_FOR_INDEX_P): Delete documentation.
9710 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9712 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9713 from V7 to V9 for Solaris 7 and above.
9715 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9717 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9718 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9719 argument pointers may not alias any other storage.
9720 * common.opt: Define option -fargument-noalias-anything.
9721 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9722 alias semantics is specified by flag_argument_noalias > 2.
9724 2006-03-20 Jeff Law <law@redhat.com>
9726 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9727 (pass_phi_only_cprop): Declare.
9728 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9730 * tree-ssa-dom.c (degenerate_phi_result): New function.
9731 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9732 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9733 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9734 (eliminate_degenerate_phis): Likewise.
9735 (pass_phi_only_cprop): New pass descriptor.
9736 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9737 support code. Callers updated.
9738 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9739 (store_copy_prop): Likewise.
9740 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9742 2006-03-20 Jason Merrill <jason@redhat.com>
9745 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9746 (push_visibility, pop_visibility): Likewise.
9747 * c-pragma.h: Declare them.
9749 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9751 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9753 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9754 parameter and use get_ebb_head_tail.
9755 (sh_md_init_global): Adjust uses of find_regmode_weight.
9757 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9759 * function.h (struct function) <x_tail_recursion_reentry>:
9760 Rename to x_stack_check_probe_note.
9761 (tail_recursion_reentry): Rename to stack_check_probe_note.
9762 * function.c: Replace tail_recursion_reentry with
9763 stack_check_probe_note everywhere.
9764 (expand_function_start): Only emit a note for
9765 stack_check_probe_note with -fstack-protect.
9766 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9768 * emit-rtl.c (remove_unnecessary_notes): Remove.
9769 (pass_remove_unnecessary_notes): Remove.
9770 * rtl.h (remove_unnecessary_notes): Remove prototype.
9771 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9772 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9773 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9775 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9778 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9779 (valid_in_set): Handle ARRAY_REF.
9780 Change "if min_variant or VH" to asserts.
9781 (create_component_ref_by_pieces): Handle ARRAY_REF.
9782 (create_expression_by_pieces): Likewise.
9783 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9785 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9787 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9788 is operand of switch, not str[0].
9790 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9792 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9793 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9795 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9797 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9798 end of insn_extra_address_constraint declaration.
9800 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9802 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9803 (no-sum-in-toc): Same.
9804 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9806 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9807 NO_FP_IN_TOC for -fPIC instead of mask.
9809 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9810 (BOOT_LDFLAGS): Delete.
9812 * config/rs6000/t-aix52: Same.
9814 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9815 (stmsi[345678]_power): New.
9817 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9819 * config/ia64/ia64.opt: Add empty line to end of file.
9821 2006-03-17 Richard Guenther <rguenther@suse.de>
9824 * builtins.c (get_pointer_alignment): For component style references
9825 adjust alignment to the component type alignment. Make sure
9826 to adjust alignment for component access of constants.
9828 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9830 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9833 2006-03-17 Paul Brook <paul@codesourcery.com>
9835 * doc/install.texi: Docuemnt --with-mode.
9836 * config.gcc: Add --with-mode for arm*-*-*.
9837 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9839 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9841 * sh.c (max_labelno_before_reorg): New variable.
9842 (sh_reorg): Initialize it.
9843 (find_barrier): Check max_labelno_before_reorg before using
9844 label_to_alignment. Take length of explicit alignment insns
9845 into account. When seeing a UNSPECV_CONST_END, return it.
9847 * sh.c (fixup_mova): Set mode of affected label to QImode.
9848 (untangle_mova): New function.
9849 (find_barrier): Use it. Check mode of label before decrementing
9851 (sh_reorg): Likewise.
9852 Set mode of all insns back to VOIDmode.
9854 * sh.c (MOVA_LABELREF): New macro.
9855 (mova_p, fixup_mova, sh_reorg): Use it.
9856 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9857 ADDR_DIFF_VEC matches mova.
9859 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9861 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9862 with ATTRIBUTE_UNUSED.
9864 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9866 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9867 pointer, instead of assuming it is possible to derive the
9868 correct args size from a call insn.
9870 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9872 * rtl.h (CONST_INT_P): Define.
9873 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9874 instead of GET_CODE(x) == CONST_INT.
9875 (vax_rtx_costs): Likewise.
9876 (vax_output_int_move): Likewise.
9877 (vax_output_int_add): Likewise.
9878 (legitimate_constant_address_p): Likewise.
9879 (index_term_p): Likewise.
9880 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9881 * config/vax/vax.md (and<mode>3): Likewise.
9882 (ashrsi3): Likewise.
9884 (movstricthi): Likewise.
9885 (movstrictqi): Likewise.
9886 (rotrsi3): Likewise.
9887 (five unnamed insns): Likewise.
9889 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9891 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9892 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9893 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9894 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9895 Pass to ASM_OUTPUT_DWARF_OFFSET.
9896 * dwarf2out.c (debug_frame_section): New.
9897 (output_call_frame_info): Use debug_frame_section. Pass it to
9898 dw2_asm_output_offset.
9899 (output_die): Pass appropriate section to dw2_asm_output_offset.
9900 (output_compilation_unit_header): Likewise.
9901 (output_pubnames): Likewise.
9902 (output_aranges): Likewise.
9903 (enum dw_val_class): Break dw_val_class_lbl_offset into
9904 dw_val_class_lineptr and dw_val_class_macptr.
9905 (add_AT_lbl_offset): Delete.
9906 (add_AT_lineptr): New.
9907 (add_AT_macptr): New.
9908 (AT_lbl): Expect a lineptr or macptr.
9909 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9910 (attr_checksum): Likewise.
9911 (same_dw_val_p): Likewise.
9912 (size_of_die): Likewise.
9913 (value_format): Likewise.
9914 (output_die): Likewise.
9915 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9917 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9918 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9919 * config/darwin-protos.h (darwin_file_start): New.
9920 (darwin_asm_output_dwarf_offset): New.
9921 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9922 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9924 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9925 if not EH section; simplify.
9926 (darwin_file_start): New.
9927 (darwin_asm_output_dwarf_offset): New.
9928 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9930 (DEBUG_INFO_SECTION): Likewise.
9931 (DEBUG_ABBREV_SECTION): Likewise.
9932 (DEBUG_ARANGES_SECTION): Likewise.
9933 (DEBUG_MACINFO_SECTION): Likewise.
9934 (DEBUG_LINE_SECTION): Likewise.
9935 (DEBUG_LOC_SECTION): Likewise.
9936 (DEBUG_PUBNAMES_SECTION): Likewise.
9937 (DEBUG_STR_SECTION): Likewise.
9938 (DEBUG_RANGES_SECTION): Likewise.
9939 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9940 (ASM_OUTPUT_DWARF_OFFSET): New.
9942 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9944 * config.gcc (tm_defines): Always add to previous value rather
9947 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9949 * config/mips/predicates.md (splittable_const_int_operand): New,
9950 split from move_operand.
9951 (splittable_symbolic_operand): New.
9952 (move_operand): Add commentary. Use splittable_const_int_operand.
9953 Inline mips_atomic_symbolic_constant_p.
9954 * config/mips/mips.md: Add combine splitters for handling moves
9955 of splittable_const_int_operands and splittable_symbolic_operands.
9956 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9957 (mips_split_symbol): Declare.
9958 (mips_move_integer): Declare.
9959 * config/mips/mips.c (mips_split_p): Make global.
9960 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9961 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9962 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9963 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9964 (mips_offset_within_object_p): Handle block symbols.
9965 (mips_atomic_symbolic_constant_p): Delete.
9966 (mips_cannot_force_const_mem): Return false for constants that
9967 mips_legitimize_move can handle.
9968 (mips_use_blocks_for_constant_p): New function.
9969 (mips_split_symbol): Make global.
9970 (mips_move_integer): Likewise. Add a temporary register argument.
9971 (mips_legitimize_const_move): Use splittable_const_int_operand and
9972 splittable_symbolic_operand.
9973 (mips_use_anchors_for_symbol_p): New function.
9974 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9975 (mips_split_p): Declare.
9977 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9979 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9980 (mips*-*-linux*): Likewise.
9982 2006-03-16 Roger Sayle <roger@eyesopen.com>
9983 Daniel Speyer <dspeyer@wam.umd.edu>
9986 * tree-dump.c (dump_real): New function.
9987 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9988 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9989 (tree-dump.o): Add $(REAL_H) to the dependencies.
9991 2006-03-16 Roger Sayle <roger@eyesopen.com>
9994 * real.c (real_from_string): If the mantissa is zero, don't bother
9995 parsing the exponent as the result should always be zero.
9997 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9999 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10001 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10003 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10004 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10005 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10006 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10007 ia64_sched_finish_global): New static functions to implement
10008 hooks from gcc_target.sched.
10009 (spec_check_no, max_uid, pending_data_specs): New static variables.
10010 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10011 ia64_spec_check_src_p): New static functions.
10012 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10013 (TARGET_SCHED_ADJUST_COST): Removed.
10014 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10015 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10016 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10017 TARGET_SCHED_GEN_CHECK,
10018 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10019 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10020 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10021 Fixed to handle speculation checks.
10022 (rtx_needs_barrier): Fixed to handle speculative loads and
10024 (ia64_variable_issue): Added code to count speculative loads and their
10026 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10028 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10030 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10032 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10033 (ia64_reorg): Reset stops_p to NULL after it is freed.
10034 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10035 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10036 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10038 (data_speculative, control_speculative, check_load): New attributes.
10039 (mov<mode>_advanced, mov<mode>_speculative,
10040 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10041 zero_extend<mode>di2_speculative,
10042 zero_extend<mode>di2_speculative_advanced): New patterns for
10043 data and control speculative loads.
10044 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10046 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10047 New pattern for data and control speculation checks.
10048 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10049 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10050 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10051 Auxiliary definitions for the patterns.
10052 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10053 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10055 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10057 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10058 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10059 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10060 New resource constraints.
10061 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10063 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10064 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10065 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10066 msched-in-control-spec, msched-ldc, msched-control-ldc,
10067 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10068 msched-prefer-non-control-spec-insns,
10069 msched-count-spec-in-critical-path): New flags to tune speculative
10071 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10072 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10073 msched-in-control-spec, msched-ldc, msched-control-ldc,
10074 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10075 msched-prefer-non-control-spec-insns,
10076 msched-count-spec-in-critical-path): Document new flags.
10078 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10080 * target.h (struct spec_info_def): New opaque declaration.
10081 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10082 speculate_insn, needs_block_p, gen_check,
10083 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10084 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10085 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10086 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10087 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10088 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10090 (TARGET_SCHED): Use new macros.
10091 * rtl.h (copy_DEPS_LIST_list): New prototype.
10092 * sched-int.h (struct sched_info): Change signature of new_ready field,
10093 adjust all initializations. New fields: add_remove_insn,
10094 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10095 region_head_or_leaf_p.
10096 (struct spec_info_def): New structure declaration.
10097 (spec_info_t): New typedef.
10098 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10099 recovery_block, orig_pat.
10100 (glat_start, glat_end): New variables declaraions.
10101 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10103 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10104 DETACH_LIFE_INFO, USE_GLAT.
10105 (enum SPEC_SCHED_FLAGS): New enumeration.
10106 (NOTE_NOTE_BB_P): New macro.
10107 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10108 attach_life_info, debug_spec_status, check_reg_live): New functions.
10109 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10110 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10112 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10113 * ddg.c (get_block_head_tail): Adjust all uses.
10114 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10115 (sms_sched_info): Initialize new fields.
10116 (contributes_to_priority): Removed.
10117 * haifa-sched.c (params.h): New include.
10118 (get_block_head_tail): Adjust all uses.
10119 (ISSUE_POINTS): New macro.
10120 (glat_start, glat_end): New global variables.
10121 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10122 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10123 old_last_basic_block, before_recovery, current_sched_info_var,
10124 rgn_n_insns, luid): New static variables.
10125 (insn_cost1): New function. Move logic from insn_cost to here.
10126 (find_insn_reg_weight1): New function. Move logic from
10127 find_insn_reg_weight to here.
10128 (reemit_notes, move_insn, max_issue): Change signature.
10129 (move_insn1): Removed.
10130 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10131 extend_bb): New static functions to support extension of scheduler's
10133 (generate_recovery_code, process_insn_depend_be_in_spec,
10134 begin_speculative_block, add_to_speculative_block,
10135 init_before_recovery, create_recovery_block, create_check_block_twin,
10136 fix_recovery_deps): New static functions to support
10137 generation of recovery code.
10138 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10139 restore_bb_notes, move_block_after_check, move_succs): New static
10140 functions to support ebb scheduling.
10141 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10142 functions to support handling of register live information.
10143 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10144 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10145 add_jump_dependencies): New static functions.
10146 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10147 consistancy checking.
10148 (debug_spec_status): New function to call from debugger.
10149 (priority): Added code to handle speculation checks.
10150 (rank_for_schedule): Added code to distinguish speculative instructions.
10151 (schedule_insn): Added code to handle speculation checks.
10152 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10153 Fixed to handle ebbs.
10154 (move_insn): Added code to handle ebb scheduling.
10155 (max_issue): Added code to use ISSUE_POINTS of instructions.
10156 (choose_ready): Added code to choose between speculative and
10157 non-speculative instructions.
10158 (schedule_block): Added code to handle ebb scheduling and scheduling of
10159 speculative instructions.
10160 (sched_init): Initialize new variables.
10161 (sched_finish): Free new variables. Print statistics.
10162 (try_ready): Added code to handle speculative instructions.
10163 * lists.c (copy_DEPS_LIST_list): New function.
10164 * sched-deps.c (extend_dependency_caches): New function. Move logic
10165 from create_dependency_caches to here.
10166 (get_dep_weak, ds_merge): Make global.
10167 * genattr.c (main): Code to output prototype for
10168 dfa_clear_single_insn_cache.
10169 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10170 (output_dfa_clean_insn_cache_func): Code to output
10171 dfa_clear_single_insn_cache function.
10172 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10174 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10176 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10177 New static variables.
10178 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10179 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10181 (ebb_sched_info): Initialize new fields.
10182 (get_block_head_tail): Adjust all uses.
10183 (compute_jump_reg_dependencies): Fixed to use glat_start.
10184 (schedule_ebb): Code to remove unreachable last block.
10185 (schedule_ebbs): Added code to update register live information.
10186 * sched-rgn.c (region_sched_info): Initialize new fields.
10187 (get_block_head_tail): Adjust all uses.
10188 (last_was_jump): Removed. Adjust users.
10189 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10190 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10191 Implement new hooks.
10192 (check_dead_notes1): New static function.
10193 (struct region): New fields: dont_calc_deps, has_real_ebb.
10194 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10195 (BB_TO_BLOCK): Fixed to handle EBBs.
10196 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10197 (ebb_head): New static variable.
10198 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10199 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10201 (compute_dom_prob_ps): New assertion.
10202 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10203 global_live_at_start.
10204 (init_ready_list): New assertions.
10205 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10206 (new_ready): Add support for BEGIN_CONTROL speculation.
10207 (schedule_insns): Fixed code that updates register live information
10209 (schedule_region): Fixed to handle EBBs.
10210 (init_regions): Use extend_regions and check_dead_notes1.
10211 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10212 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10213 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10214 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10215 TARGET_SCHED_GEN_CHECK,
10216 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10217 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10218 * doc/invoke.texi (max-sched-insn-conflict-delay,
10219 sched-spec-prob-cutoff): Document.
10221 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10223 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10224 inter_tick, queue_index.
10225 (struct sched_info): Change signature of init_ready_list field.
10226 Adjust all initializations.
10227 (RESOLVED_DEPS): New access macro.
10228 (ready_add): Remove prototype.
10229 (try_ready): Add prototype.
10230 * sched-rgn.c (init_ready_list): Use try_ready.
10231 (schedule_region): Initialize
10232 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10233 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10234 (init_ready_list): Use try_ready.
10235 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10236 * lists.c (remove_list_elem): Remove `static'.
10237 (remove_free_INSN_LIST_elem): New function.
10238 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10239 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10240 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10242 (readyp): New variable.
10243 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10244 change_queue_index, resolve_dep): New static functions.
10245 (try_ready): New function. Adjust callers in sched-rgn.c and
10246 sched-ebb.c to use it instead of ready_add.
10247 (clock_var): Move at the begining of file.
10248 (rank_for_schedule): Fix typo.
10249 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10250 (ready_lastpos): Enforce assertion.
10251 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10252 update all callers.
10253 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10254 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10255 (queue_to_ready): Use free_INSN_LIST_list.
10256 (early_queue_to_ready): Fix typo.
10257 (schedule_block): Init readyp. Move init_ready_list call after the
10258 initialization of clock_var. Fix error in rejecting insn by
10259 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10260 that previously corrected INSN_TICKs. Add code for handling
10262 (set_priorities): Fix typo.
10263 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10264 Clarify comment and code that keeps current_sched_info->next_tail
10267 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10269 * sched-rgn.c (extend_rgns): New static function.
10270 (find_rgns): Use it.
10271 (gather_region_statistics, print_region_statistics): New static
10273 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10274 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10276 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10277 Andrey Belevantsev <abel@ispras.ru>
10279 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10280 * lists.c (unused_deps_list): New variable.
10281 (free_list): Add assertions to verify the proper distinguishing
10282 between INSN_LISTs and DEPS_LISTs.
10283 (find_list_elem, remove_list_elem, remove_list_node): New static
10285 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10286 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10287 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10288 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10290 (free_INSN_LIST_node): Likewise.
10291 * modulo-sched.c (current_sched_info): Initialize flags field.
10292 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10293 * rtl.def (DEPS_LIST): Define.
10294 * rtl.h: Declare new functions from lists.c.
10295 * sched-deps.c (spec_dependency_cache): New static variable.
10296 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10297 (add_dependence): Change return type to void. Move the logic to ...
10298 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10299 (delete_all_dependences): Add comment about forward_dependency_cache.
10300 Handle spec_dependency_cache. Handle DEPS_LISTs.
10301 (fixup_sched_groups): Clarify the change of priority of output
10302 and anti dependencies.
10303 (sched_analyze_2): Adjust add_dependence calls to create data
10304 speculative dependence.
10305 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10306 Adjust all callers. Handle DEPS_LISTS.
10307 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10308 presence of speculation.
10309 (init_dependency_caches, free_dependency_caches):
10310 Handle spec_dependency_cache.
10311 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10312 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10313 New static functions.
10314 (add_or_update_back_dep, add_or_update_back_forw_dep,
10315 add_back_forw_dep, delete_back_forw_dep): New functions.
10316 * sched-int.h (ds_t, dw_t): New typedefs.
10317 (struct sched_info): Add new field flags.
10318 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10319 Prototype new sched-deps.c functions.
10320 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10321 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10322 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10323 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10324 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10325 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10327 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10329 * sched-rgn.c (current_sched_info): Initialize flags field.
10330 (schedule_insns): Initialize current_sched_info before the sched_init
10332 * sched-ebb.c (current_sched_info): Initialize flags field.
10333 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10334 Call add_or_update_back_dep instead of add_dependence.
10335 Create control speculative dependencies.
10336 (schedule_insns): Initialize current_sched_info before the sched_init
10339 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10341 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10343 (sh_fallback_frame_state): Likewise.
10345 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10347 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10348 Do switch on default_use_cxa_atexit.
10349 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10350 * config/darwin-crt3.o: New.
10351 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10352 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10353 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10355 * config/rs6000/t-darwin: Move crt2.o building to here.
10356 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10357 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10360 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10362 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10363 from '! xxx' to '!xxx' for coding-style conformance.
10364 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10365 (EXTRA_CONSTRAINT): Likewise.
10366 * config/vax/vax.md (four unnamed insns): Likewise.
10368 2006-03-15 Paul Brook <paul@codesourcery.com>
10370 * config/arm/arm.c (minipool_pad): New.
10371 (add_minipool_forward_ref): Include pool alignment padding in address
10373 (push_minipool_fix): Set minipool_pad.
10374 (minipool_pad): Ditto.
10376 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10378 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10379 instead of GET_CODE() == MEM and REG_P() instead of
10381 (print_operand_address): Likewise.
10382 (vax_address_cost): Likewise.
10383 (vax_rtx_costs): Likewise.
10384 (vax_notice_update_cc): Likewise.
10385 (vax_output_int_add): Likewise.
10386 (INDEX_REGISTER_P): Likewise.
10387 (BASE_REGISTER_P): Likewise.
10388 (nonindexed_address_p): Likewise.
10389 (vax_mode_dependent_address_p): Likewise.
10390 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10391 (PRINT_OPERAND): Likewise.
10392 * config/vax/vax.md (ashlsi3): Likewise.
10393 (ashlsi3): Likewise.
10394 (some more unnamed insns): Likewise.
10396 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10398 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10399 iterator-style macro.
10400 (mark_control_dependent_edges_necessary): Update the use of
10401 EXECUTE_IF_CONTROL_DEPENDENT.
10403 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10405 * config/sh/predicates.md (cache_address_operand): Special.
10406 (ua_address_operand): Likewise.
10408 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10410 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10412 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10414 2006-03-15 Andreas Schwab <schwab@suse.de>
10416 * gensupport.c (identify_predicable_attribute): Don't free p_false
10417 when it is still in use.
10419 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10421 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10422 the default setting here.
10424 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10426 * tree-pass.h (pass_cfg): Remove.
10427 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10428 * passes.c (pass_cfg): Don't run it.
10430 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10432 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10433 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10435 (stack_regs_mentioned): Update the uses of
10436 stack_regs_mentioned_data. Don't access the array beyond its
10438 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10439 Don't include gt-reg-stack.h.
10441 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10442 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10444 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10446 PR middle-end/26684
10447 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10450 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10452 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10454 2006-03-14 Richard Guenther <rguenther@suse.de>
10456 PR tree-optimization/26672
10457 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10460 2006-03-14 Richard Guenther <rguenther@suse.de>
10462 PR tree-optimization/26667
10463 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10464 node for the callees. Always allow inlining if it will shrink
10467 2006-03-14 Richard Guenther <rguenther@suse.de>
10469 PR middle-end/26659
10470 * builtins.c (get_pointer_alignment): Prefer alignment
10471 information from decls over that from types.
10473 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10476 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10478 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10480 * config/rs6000/rs6000.opt (mdlmzb): New option.
10481 (msched-prolog, msched-epilog): Use Var not Mask.
10482 * doc/invoke.texi (-mdlmzb): Document.
10483 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10485 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10486 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10488 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10490 PR rtl-optimization/25739
10491 * bt-load.c (augment_live_range): Free tos pointer.
10493 * gensupport.c (identify_predicable_attribute): Free
10495 * gcov.c (create_file_names): Free name pointer.
10497 2006-03-13 Roger Sayle <roger@eyesopen.com>
10499 PR middle-end/26557
10500 * stmt.c (emit_case_nodes): Handle the case where the index is a
10501 CONST_INT, where the comparison mode is specified by the index type.
10503 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10505 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10508 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10510 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10511 (*branch_fp_inverted): Likewise.
10513 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10515 PR middle-end/25989
10516 * omp-low.c (expand_omp_for_generic): Mark istart0
10517 and iend0 as addressable.
10519 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10521 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10523 2006-03-13 Jeff Law <law@redhat.com>
10525 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10526 virtual operands are interesting.
10527 (vrp_visit_stmt): Corresponding changes.
10529 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10531 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10533 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10534 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10535 * config/bfin/crti.S: Use it instead of __PIC__.
10536 * config/bfin/crtn.S: Likewise.
10538 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10539 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10541 Lose 'G' modifier for call operand.
10542 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10543 recognize 'G' modifier.
10545 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10547 PR middle-end/18859
10548 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10549 * stmt.c (expand_case): Likewise.
10551 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10553 PR rtl-optimization/26254
10554 * loop-invariant.c (seq_insns_valid_p): New function.
10555 (move_invariant_reg): Only emit new code if it is valid.
10557 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10559 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10561 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10562 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10563 (commit_one_edge_insertion): Do not look for loop notes.
10565 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10567 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10568 flag_test_coverage out of loop.
10570 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10572 * final.c (shorten_branches): Remove outdated comment, and turn
10573 the if branch that guards it to continue.
10575 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10577 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10578 * cfgloop.h (struct loop): Remove unused fields.
10580 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10582 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10583 (-dL, -fdump-rtl-loop2): Update the dump file names
10585 * doc/invoke.texi: Update dump file names.
10587 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10589 * predict.c (estimate_probability): Remove.
10590 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10591 * basic-block.h (estimate_probability): Remove prototype.
10592 * passes.c (finish_optimization_passes): Dump branch prediction or
10593 profiling heuristics to the .profile tree dump.
10594 (init_optimization_passes): Unqueue pass_branch_prob.
10596 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10598 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10600 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10601 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10603 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10605 * function.h (frame_offset_overflow): Declare.
10606 * function.c (frame_offset_overflow): New function.
10607 (assign_stack_local_1): Call it to detect that the offset overflows.
10608 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10610 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10612 * config/sh/sh.c: Include alloc-pool.h.
10613 (label_ref_list_pool): New alloc pool.
10614 (label_ref_list_t): New type for lists of labels.
10615 (struct pool_node): Make wend a label_ref_list_t.
10616 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10618 (dump_table): Likewise.
10619 (sh_reorg): Set up the alloc pool before using add_constant and
10620 dump_table, and destroy it when finishing.
10622 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10624 * config/mips/mips.c: Remove redundant comment.
10626 2006-03-10 Jason Merrill <jason@redhat.com>
10629 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10630 the target was declared 'register'.
10632 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10634 * genpreds.c (write_insn_constraint_len): Change definition of
10635 insn_constraint_len to return size_t to match the declaration.
10637 2006-03-10 DJ Delorie <dj@redhat.com>
10639 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10641 (m32c_expand_insv): Fix test for an AND mask.
10643 2006-03-10 Richard Guenther <rguenther@suse.de>
10645 PR middle-end/26565
10646 * builtins.c (get_pointer_alignment): Handle component
10647 references for field alignment.
10649 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10651 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10652 when building with libgloss.
10653 (sh*elf): Implement --without-fp option.
10654 (sh64-superh-linux*): Don't multilib.
10656 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10658 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10660 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10662 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10663 Set it when one of the replacement functions returned true.
10664 Return TODO_cleanup_cfg if cfgchanged is true.
10665 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10667 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10669 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10670 instead of gen_lowpart.
10672 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10674 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10676 (mips_output_order_conditional_branch): Declare.
10677 * config/mips/mips.h (MIPS_BRANCH): New macro.
10678 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10679 for the comparison. Use gen_condjump.
10680 (mips_output_conditional_branch): Rework interface to take the
10681 asm templates for a direct branch and the inverse of a direct branch.
10682 (mips_output_order_conditional_branch): New function.
10683 (mips_builtin_branch_and_move): New function.
10684 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10685 branch condition. Use gen_single_cc as the condition for
10686 __builtin_mips_upper_* or __builtin_mips_lower_*.
10687 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10688 Use VOIDmode for the branch condition.
10689 * config/mips/predicates.md (order_operator): New predicate.
10690 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10691 (branch_fp): Rename to...
10692 (*branch_fp): ...this. Remove mode from comparison operator.
10693 Use new mips_output_conditional_branch interface.
10694 (branch_fp_inverted): Rename to...
10695 (*branch_fp_inverted): ...this and update as for *branch_fp.
10696 (*branch_zero<mode>): Rename to...
10697 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10698 Use mips_output_order_conditional_branch. Only accept ordered
10700 (*branch_zero<mode>_inverted): Rename to...
10701 (*branch_order<mode>_inverted): ...this and update as for
10702 *branch_order<mode>.
10703 (*branch_equality<mode>): Accept zero as the second operand to
10704 the equality operator. Use the new mips_output_conditional_branch
10706 (*branch_equality<mode>_inverted): Likewise.
10707 (condjump): New expander.
10708 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10710 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10711 (bc1any2t, bc1any2f): Likewise.
10712 (single_cc): New expander.
10713 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10715 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10717 * doc/md.texi: Update documentation of MIPS constraints.
10718 * config/mips/constraints.md: New file.
10719 * config/mips/mips.md: Include it.
10720 * config/mips/mips.c (mips_char_to_class): Delete.
10721 (override_options): Don't initialize mips_char_to_class.
10722 * config/mips/mips.h (mips_char_to_class): Delete.
10723 (REG_CLASS_FROM_LETTER): Delete.
10724 (CONST_OK_FOR_LETTER_P): Delete.
10725 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10726 (EXTRA_CONSTRAINT_Y): Delete.
10727 (EXTRA_CONSTRAINT_STR): Delete.
10728 (CONSTRAINT_LEN): Delete.
10729 (EXTRA_MEMORY_CONSTRAINT): Delete.
10731 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10733 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10734 original fn's eh regions.
10736 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10738 * fold-const.c (build_range_check): Make sure to use a valid type to
10739 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10742 (range_predecessor): New static function.
10743 (range_successor): Likewise.
10744 (merge_ranges): Use them to compute predecessors and successors of
10747 2006-03-09 Roger Sayle <roger@eyesopen.com>
10749 PR middle-end/26561
10750 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10751 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10753 2006-03-08 DJ Delorie <dj@redhat.com>
10755 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10756 (addpsi3): Expand to include memory operands. Remove
10757 reload-specific splits.
10758 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10759 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10760 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10761 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10762 (shift1_qi, shift1_hi, insv): New.
10763 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10764 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10765 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10767 * config/m32c/m32c-protos.h: Update as needed.
10768 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10769 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10770 Fail for unrecognized R* constraints.
10771 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10772 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10773 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10775 (m32c_init_libfuncs): New.
10776 (m32c_legitimate_address_p): Add debug wrapper.
10777 (m32c_rtx_costs): New.
10778 (m32c_address_cost): New.
10779 (conversions): Add 'B' prefix.
10780 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10781 operands, or word regnames for QI operands. 'B' prints bit
10783 (m32c_expand_setmemhi): New.
10784 (m32c_expand_movmemhi): New.
10785 (m32c_expand_movstr): New.
10786 (m32c_expand_cmpstr): New.
10787 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10788 (m32c_expand_neg_mulpsi3): Handle non-ints.
10789 (m32c_cmp_flg_0): New.
10790 (m32c_expand_movcc): New.
10791 (m32c_expand_insv): New.
10792 (m32c_scc_pattern): New.
10793 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10794 a0/a1 out of SIregs.
10795 (STORE_FLAG_VALUE): New.
10796 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10799 * config/m32c/mov.md: Make constraints more liberal.
10800 (zero_extendqihi2): Optimize r0/r1 case.
10801 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10802 * config/m32c/predicates.md (m32c_any_operand): New.
10803 (m32c_nonimmediate_operand): New.
10804 (m32c_hl_operand): New.
10805 (m32c_r3_operand): New.
10808 (memsym_operand): New.
10809 (memimmed_operand): New.
10810 (a_qi_operand): New.
10811 (m32c_eqne_operator): New.
10812 (m32c_1bit8_operand): New.
10813 (m32c_1bit16_operand): New.
10814 (m32c_1mask8_operand): New.
10815 (m32c_1mask16_operand): New.
10816 * config/m32c/blkmov.md: New file.
10817 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10819 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10821 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10822 unsigned to fix signed/unsigned comparison issue in
10823 DWARF2_FRAME_REG_OUT.
10824 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10825 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10827 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10828 of ptr into the ENABLE_CHECKING section.
10830 2006-03-08 Jeff Law <law@redhat.com>
10832 * tree-vrp.c (infer_value_range): Only count pointer uses
10833 and dereferences if -fdelete-null-pointer-checks is enabled.
10835 * tree-vrp.c (find_assert_locations): Infer value ranges for
10836 single use pointers, but do not create ASSERT_EXPRs for them.
10837 When a non-null range is inferred for a pointer, backwards
10838 propagate that range to other equivalent pointers through the
10841 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10844 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10845 language hook targets.
10846 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10847 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10848 if language hook targets were missing.
10850 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10852 * tree-ssa-opfinalize.h: Removed.
10853 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10855 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10856 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10857 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10858 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10859 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10860 finalize_ssa_v_must_def_ops): New.
10862 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10864 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10865 block as parameter.
10867 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10869 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10871 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10872 addresses with offsets; reorganize.
10874 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10875 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10876 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10878 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10881 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10883 2006-03-08 Ben Elliston <bje@au.ibm.com>
10885 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10887 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10890 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10893 2006-03-07 Richard Guenther <rguenther@suse.de>
10895 PR tree-optimization/26587
10896 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10898 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10900 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10902 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10904 * hooks.c (hook_bool_mode_rtx_true): New function.
10905 * hooks.h (hook_bool_mode_rtx_true): Declare.
10906 * toplev.c (compile_file): Call output_shared_constant_pool.
10907 * varasm.c (shared_constant_pool): New variable.
10908 (assemble_start_function, assemble_end_function): Remove arguments
10909 from call to output_constant_pool.
10910 (create_constant_pool): New function, split out from...
10911 (init_varasm_status): ...here.
10912 (force_const_mem): Choose between the shared and per-function constant
10913 pools. Set current_function_uses_const_pool when reusing old entries
10914 as well as when creating new ones.
10915 (mark_constant): Ignore data argument.
10916 (mark_constants): Remove pool argument.
10917 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10918 to decide whether the function uses a constant pool.
10919 (output_constant_pool_contents): New function, split out from...
10920 (output_constant_pool): ...here.
10921 (output_shared_constant_pool): New function.
10922 (init_varasm_once): Initialize shared_constant_pool.
10923 * output.h (output_constant_pool): Delete.
10924 (output_shared_constant_pool): Declare.
10925 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10926 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10928 2006-03-06 Nick Clifton <nickc@redhat.com>
10930 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10931 flag_strength_reduce.
10933 2006-03-06 Ben Elliston <bje@au.ibm.com>
10935 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10936 x86_64-*-linux* configurations.
10938 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10939 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10941 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10943 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10945 * basic-block.h: Remove the extern for
10946 rediscover_loops_after_threading.
10948 * cfgloop.c (cancel_loop): Make it static.
10949 * cfgloop.h: Remove the prototype for cancel_loop.
10951 * flow.c (recompute_reg_usage): Make it static.
10952 * rtl.h: Remove the prototype for recompute_reg_usage.
10954 * function.c (use_return_register): Make it static.
10955 * function.h: Remove the prototype.
10957 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10959 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10961 * recog.h: Remove the prototype for
10962 validate_change_maybe_volatile.
10964 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10966 * rtlanal.c (replace_reg): Remove.
10967 * rtl.h: Remove the prototype for replace_reg.
10969 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10971 * regclass.c (reg_scan_update): Remove.
10972 (reg_scan_mark_refs): Remove the last argument.
10973 * rtl.h: Remove the prototype for reg_scan_update.
10975 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10977 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10978 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10979 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10980 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10981 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10982 loop-invariant.c, omp-low.c, opts.c, passes.c,
10983 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10984 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10985 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10986 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10987 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10988 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10990 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10992 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10993 * dwarf2out.h: Remove the prototype for
10994 dwarf2out_add_library_unit_info.
10996 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10998 * tree.c (add_var_to_bind_expr): Remove.
10999 * tree.h: Remove the prototype for add_var_to_bind_expr.
11001 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11003 * regclass.c (n_non_fixed_regs): Remove.
11004 (init_reg_sets_1, globalize_reg): Remove all uses of
11006 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11008 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11010 * rtlanal.c (insns_safe_to_move_p): Remove.
11011 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11013 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11015 * expmed.c (expand_mult_add): Remove.
11016 * expr.h: Remove the prototype for expand_mult_add.
11018 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11020 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11021 and REG_SAVED_VAL_EXP constants.
11022 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11023 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11024 Handle regs stored by value.
11025 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11026 (execute_cfa_program): Handle DW_CFA_val_offset,
11027 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11028 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11029 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11030 (uw_install_context_1): Handle target regs stored by value.
11032 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11034 * tree-sra.c (tree_sra): Return todoflags;
11035 (generate_one_element): Set TODO_update_smt_usage if needed.
11036 (pass_sra): Remove TODO_update_smt_usage.
11037 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11039 (tree_ssa_forward_propagate_single_use_vars): Return
11040 TODO_update_smt_usage if we need to update SMT usage.
11041 (pass_forwprop): Remove TODO_update_smt_usage.
11043 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11045 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11046 (correct_use_link): Remove reference to get_stmt_operands.
11047 (update_stmt_operands): Likewise.
11048 (get_modify_expr_operands): New function factored out of
11049 parse_ssa_operands and get_expr_operands.
11050 Try to create V_MUST_DEFs for LHS by default.
11051 (get_expr_operands) <case MODIFY_EXPR>: Call
11052 get_modify_expr_operands.
11053 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11054 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11055 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11056 get_modify_expr_operands.
11058 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11060 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11061 * tree-flow.h: Remove the prototype for
11062 referenced_var_lookup_if_exists.
11064 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11066 PR rtl-optimization/26345
11068 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11070 2006-03-03 Roger Sayle <roger@eyesopen.com>
11072 PR tree-optimization/26524
11073 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11074 fold_convert to create a constant of the appropriate type.
11076 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11078 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11079 SYMBOL_REF_IN_BLOCK_P.
11080 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11081 of SYMBOL_FLAG_IN_BLOCK.
11082 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11083 instead of SYMBOL_REF_IN_BLOCK_P.
11084 * explow.c (use_anchored_address): Likewise.
11085 * rtl.c (rtx_size): Likewise.
11086 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11087 instead of SYMBOL_FLAG_IN_BLOCK.
11088 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11089 SYMBOL_REF_IN_BLOCK_P.
11090 (assemble_variable): Likewise.
11091 (output_constant_def_contents): Likewise.
11092 (output_constant_pool): Likewise.
11093 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11094 instead of SYMBOL_FLAG_IN_BLOCK.
11095 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11096 SYMBOL_REF_IN_BLOCK_P.
11097 (SYMBOL_REF_BLOCK): Likewise.
11098 (SYMBOL_REF_OFFSET): Likewise.
11099 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11100 SYMBOL_REF_IN_BLOCK_P.
11101 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11102 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11103 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11104 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11106 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11108 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11110 2006-03-02 Roger Sayle <roger@eyesopen.com>
11112 * simplify-rtx.c (simplify_unary_operation): When simplifying
11113 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11114 that we perform the right shift in the appropriate mode, and
11115 then extend or truncate the result to requested mode.
11117 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11119 * gengtype.c (main): Handle double_int type.
11120 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11121 * double-int.c: New file.
11122 * double-int.h: New file.
11123 * system.h: Include doubleint.h.
11124 * Makefile.in (SYSTEM_H): Include double-int.h.
11125 (double-int.o): Add.
11127 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11130 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11133 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11135 * tree-vrp.c (remove_range_assertions): Do not update statements
11138 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11140 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11142 * gcse.c (rest_of_handle_gcse): Ditto.
11143 * except.c (gate_handle_eh): Ditto.
11144 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11145 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11147 2006-03-02 Eric Christopher <echristo@apple.com>
11149 * config/i386/i386.c (machopic_output_stub): Add indirection to
11152 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11156 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11158 Sun Niagara specific optimizations.
11159 * config.gcc: Recognize niagara as target.
11160 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11161 (TARGET_CPU_niagara): Define.
11162 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11163 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11164 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11165 (ASM_CPU_SPEC): Likewise.
11166 (PROCESSOR_NIAGARA): New enum entry.
11167 (REGISTER_MOVE_COST): Handle Niagara.
11168 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11169 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11170 (sparc_override_options): Recognize "niagara", set appropriate
11171 default MASK_* values for it, and align functions to 32-bytes
11172 by default just like ULTRASPARC/ULTRASPARC3.
11173 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11174 (sparc64_initialize_trampoline): Likewise.
11175 (sparc_use_sched_lookahead): Use zero for niagara.
11176 (sparc_issue_rate): Use one for niagara.
11177 * config/sparc/niagara.md: New file.
11178 * config/sparc/sparc.md: Include it.
11179 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11180 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11181 when default cpu is niagara.
11182 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11183 (ASM_CPU_SPEC): Likewise.
11184 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11185 when default cpu is niagara.
11186 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11187 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11188 just like v9/ultrasparc/ultrasparc3.
11189 * doc/invoke.texi: Add documentation for "niagara" and improve
11190 existing documentation for ultrasparc variants.
11192 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11194 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11196 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11198 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11199 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11200 and say that only one is needed.
11201 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11202 * target.h (have_switchable_bss_sections): New hook.
11203 * explow.c (use_anchored_address): Check that the symbol is in a block.
11204 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11205 (bss_noswitch_section): New variables.
11206 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11207 (get_noswitch_section): New function.
11208 (get_block_for_section): Allow SECT to be null.
11209 (unlikely_text_section_p): Use SECTION_STYLE.
11210 (bss_initializer_p): New function.
11211 (get_variable_section): Move earlier in file. Take a new argument,
11212 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11213 Return one of the new *_sections in such cases.
11214 (get_block_for_decl): New function, extracting some logic from
11215 use_blocks_for_decl_p.
11216 (change_symbol_section): Remove in favor of...
11217 (change_symbol_block): ...this new function.
11218 (use_blocks_for_decl_p): Remove checks now performed by
11219 get_block_for_decl.
11220 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11221 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11222 (emit_local, emit_bss, emit_common): ...these new functions.
11223 Return true if the alignment was honored.
11224 (emit_tls_common): New function.
11225 (asm_emit_uninitialised): Delete.
11226 (assemble_variable_noswitch): New function, split out from...
11227 (assemble_variable): ...here. Don't make decisions about common
11228 variables here. Globalize all public decls that go into non-common
11229 sections. Check whether SYMBOL_REF_BLOCK is null.
11230 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11231 (output_constant_pool): Likewise.
11232 (init_varasm_once): Initialize the new section variables.
11233 (have_global_bss_p): New function.
11234 (categorize_decl_for_section): Use bss_initializer_p.
11235 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11236 (place_block_symbol): Assert that the symbol must be in a block.
11237 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11238 (TARGET_INITIALIZER): Include it.
11239 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11240 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11241 (SECTION_MACH_DEP): Bump by two.
11242 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11243 (unnamed_section): Mention SECTION_UNNAMED in comment.
11244 (named_section): Likewise SECTION_NAMED.
11245 (noswitch_section_callback): New type.
11246 (noswitch_section): New structure.
11247 (section): Add a noswitch_section alternative.
11248 (SECTION_STYLE): New macro.
11249 (tls_comm_section, comm_section, lcomm_section): Declare.
11250 (bss_noswitch_section, have_global_bss_p): Declare.
11251 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11252 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11254 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11255 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11258 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11260 * tree-vrp.c (execute_vrp): Return value.
11261 * regrename.c (rest_of_handle_regrename): Ditto.
11262 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11263 * tree-complex.c (tree_lower_complex): Ditto.
11264 (tree_lower_complex_O0): Ditto.
11265 * tracer.c (rest_of_handle_tracer): Ditto.
11266 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11267 * postreload.c (rest_of_handle_postreload): Ditto.
11268 * tree-tailcall.c (execute_tail_recursion): Ditto.
11269 (execute_tail_calls): Ditto.
11270 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11271 * tree.h (init_function_for_compilation): Ditto.
11272 * ipa-cp.c (ipcp_driver): Ditto.
11273 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11274 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11275 * final.c (compute_alignments): Ditto.
11276 (rest_of_handle_final): Ditto.
11277 (rest_of_handle_shorten_branches): Ditto.
11278 (rest_of_clean_state): Ditto.
11279 * omp-low.c (execute_expand_omp): Ditto.
11280 (execute_lower_omp): Ditto.
11281 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11282 * ipa-reference.c (static_execute): Ditto.
11283 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11284 * reorg.c (rest_of_handle_delay_slots): Ditto.
11285 (rest_of_handle_machine_reorg): Ditto.
11286 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11287 * flow.c (recompute_reg_usage): Ditto.
11288 (rest_of_handle_remove_death_notes): Ditto.
11289 (rest_of_handle_life): Ditto.
11290 (rest_of_handle_flow2): Ditto.
11291 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11292 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11293 (do_ssa_store_ccp): Ditto.
11294 (execute_fold_all_builtins): Ditto.
11295 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11296 * modulo-sched.c (rest_of_handle_sms): Ditto.
11297 * ipa-pure-const.c (static_execute): Ditto.
11298 * cse.c (rest_of_handle_cse): Ditto.
11299 (rest_of_handle_cse2): Ditto.
11300 * web.c (rest_of_handle_web): Ditto.
11301 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11302 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11303 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11304 * tree-nrv.c (tree_nrv): Ditto.
11305 (execute_return_slot_opt): Ditto.
11306 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11307 (create_structure_vars): Ditto.
11308 * loop-init.c (rtl_loop_init): Ditto.
11309 (rtl_loop_done): Ditto.
11310 (rtl_move_loop_invariants): Ditto.
11311 (rtl_unswitch): Ditto.
11312 (rtl_unroll_and_peel_loops): Ditto.
11313 (rtl_doloop): Ditto.
11314 * gimple-low.c (lower_function_body): Ditto.
11315 (mark_used_blocks): Ditto.
11316 * tree-ssa-sink.c (execute_sink_code): Ditto.
11317 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11318 (cgraph_early_inlining): Ditto.
11319 * global.c (rest_of_handle_global_alloc): Ditto.
11320 * jump.c (cleanup_barriers): Ditto.
11321 (purge_line_number_notes): Ditto.
11322 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11323 (rest_of_handle_if_after_reload): Ditto.
11324 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11325 (tree_ssa_loop_im): Ditto.
11326 (tree_ssa_loop_unswitch): Ditto.
11327 (tree_vectorize): Ditto.
11328 (tree_linear_transform): Ditto.
11329 (tree_ssa_loop_ivcanon): Ditto.
11330 (tree_ssa_empty_loop): Ditto.
11331 (tree_ssa_loop_bounds): Ditto.
11332 (tree_complete_unroll): Ditto.
11333 (tree_ssa_loop_prefetch): Ditto.
11334 (tree_ssa_loop_ivopts): Ditto.
11335 (tree_ssa_loop_done): Ditto.
11336 * predict.c (tree_estimate_probability): Ditto.
11337 * recog.c (split_all_insns_noflow): Ditto.
11338 (rest_of_handle_peephole2): Ditto.
11339 (rest_of_handle_split_all_insns): Ditto.
11340 * tree-eh.c (lower_eh_constructs): Ditto.
11341 * regmove.c (rest_of_handle_regmove): Ditto.
11342 (rest_of_handle_stack_adjustments): Ditto.
11343 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11344 * function.c (instantiate_virtual_regs): Ditto.
11345 (init_function_for_compilation): Ditto.
11346 (rest_of_handle_check_leaf_regs): Ditto.
11347 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11348 (rest_of_handle_gcse): Ditto.
11349 * ipa-type-escape.c (type_escape_execute): Ditto.
11350 * alias.c (rest_of_handle_cfg): Ditto.
11351 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11352 * profile.c (rest_of_handle_branch_prob): Ditto.
11353 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11354 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11355 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11356 * tree-dfa.c (find_referenced_vars): Ditto.
11357 * except.c (set_nothrow_function_flags): Ditto.
11358 (convert_to_eh_region_ranges): Ditto.
11359 (rest_of_handle_eh): Ditto.
11360 * emit-rtl.c (unshare_all_rtl): Ditto.
11361 (remove_unnecessary_notes): Ditto.
11362 * except.h (set_nothrow_function_flags): Ditto.
11363 (convert_to_eh_region_ranges): Ditto.
11364 * cfgexpand.c (tree_expand_cfg): Ditto.
11365 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11366 * tree-ssa-pre.c (do_pre): Ditto.
11367 (execute_fre): Ditto.
11368 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11369 (rest_of_handle_jump2): Ditto.
11370 * tree-sra.c (tree_sra): Ditto.
11371 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11372 (execute_mudflap_function_decls): Ditto.
11373 * tree-ssa-copy.c (do_copy_prop): Ditto.
11374 (do_store_copy_prop): Ditto.
11375 * ipa-prop.h (ipcp_driver): Ditto.
11376 * cfglayout.c (insn_locators_initialize): Ditto.
11377 * tree-ssa-forwprop.c
11378 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11379 * cfglayout.h (insn_locators_initialize): Ditto.
11380 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11381 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11382 (execute_late_warn_uninitialized): Ditto.
11383 * rtl.h (cleanup_barriers): Ditto.
11384 (split_all_insns_noflow): Ditto.
11385 (purge_line_number_notes): Ditto.
11386 (unshare_all_rtl): Ditto.
11387 (remove_unnecessary_notes): Ditto.
11388 (recompute_reg_usage): Ditto.
11389 (variable_tracking_main): Ditto.
11390 * integrate.c (emit_initial_value_sets): Ditto.
11391 * integrate.h (emit_initial_value_sets): Ditto.
11392 * tree-optimize.c (execute_free_datastructures): Ditto
11393 (execute_free_cfg_annotations): Ditto.
11394 (execute_fixup_cfg): Ditto.
11395 (execute_cleanup_cfg_pre_ipa): Ditto.
11396 (execute_cleanup_cfg_post_optimizing): Ditto.
11397 (execute_init_datastructures): Ditto.
11398 * tree-object-size.c (compute_object_sizes): Ditto.
11399 * combine.c (rest_of_handle_combine): Ditto.
11400 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11401 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11402 (rest_of_handle_reorder_blocks): Ditto.
11403 (rest_of_handle_partition_blocks): Ditto.
11404 * var-tracking.c (variable_tracking_main): Ditto.
11405 * tree-profile.c (tree_profiling): Ditto.
11406 * tree-vect-generic.c (expand_vector_operations): Ditto.
11407 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11408 * sched-rgn.c (rest_of_handle_sched): Ditto.
11409 (rest_of_handle_sched2): Ditto.
11410 * basic-block.h (free_bb_insn): Ditto.
11411 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11412 * tree-cfg.c (execute_build_cfg): Ditto.
11413 (remove_useless_stmts): Ditto.
11414 (split_critical_edges): Ditto.
11415 (execute_warn_function_return): Ditto.
11416 (execute_warn_function_noreturn): Ditto.
11417 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11418 * cfgrtl.c (free_bb_for_insn): Ditto.
11419 * passes.c (execute_one_pass): Run additional
11420 todos returned by execute function.
11421 * tree-pass.h (struct tree_opt_pass): Make execute
11424 2006-03-02 Richard Guenther <rguenther@suse.de>
11426 * tree-ssa-alias.c (find_used_portions): Consider taking
11427 the address as making the variable not write-only.
11429 2006-03-02 Nick Clifton <nickc@redhat.com>
11431 * config.gcc (default_use_cxa_atexit): Extend the description of
11432 this configure variable. Set its default value to "yes" for
11433 Linux, NetBSD and ELF targets on the assumption that they will
11434 use C libraries with the __cxa_atexit function.
11436 2006-03-02 Ben Elliston <bje@au.ibm.com>
11438 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11439 parameter as unused to suppress a build warning.
11441 2006-03-02 Ben Elliston <bje@au.ibm.com>
11443 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11446 2006-03-01 Roger Sayle <roger@eyesopen.com>
11449 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11450 declared name, the weak reference name, and the typeof name.
11451 (__gthrw): Avoid expanding the declared name suffix.
11452 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11454 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11456 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11458 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11459 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11460 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11461 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11462 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11463 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11464 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11465 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11466 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11467 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11468 (DW_END_default, DW_END_big, DW_END_little): New.
11469 (DW_END_lo_user, DW_END_hi_user): Define.
11470 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11471 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11472 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11475 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11477 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11479 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11481 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11483 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11485 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11486 to 'symbol_mem_tag'.
11488 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11491 2006-03-01 Roger Sayle <roger@eyesopen.com>
11493 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11495 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11498 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11499 MACHO_DYNAMIC_NO_PIC_P.
11500 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11502 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11505 * config/darwin-protos.h (darwin_asm_output_anchor):
11507 * config/darwin-sections.def (cstring_section):
11508 Add SECTION_MERGE to the flags.
11509 (literal4_section): Likewise.
11510 (literal8_section): Likewise.
11511 (objc_selector_refs_section): Likewise.
11512 (objc_cls_refs_section): Likewise.
11513 * config/darwin.c (darwin_asm_output_anchor): New
11515 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11517 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11519 Fix PR tree-optimization/26443
11520 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11521 to todo and PROP_tmt_usage to properties_destroyed.
11522 * tree-ssa-ccp.c (pass_ccp): Ditto.
11523 (pass_store_ccp): Ditto.
11524 * tree-ssa-dom.c (pass_dominator): Ditto.
11526 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11528 * tree-ssa-operands.c: Cleanup whitespace.
11529 (get_asm_expr_operands): Move before first invocation.
11530 (get_indirect_ref_operands): Likewise.
11531 (get_tmr_operands): Likewise.
11532 (get_call_expr_operands): Likewise.
11533 (append_def): Likewise.
11534 (append_use): Likewise.
11535 (append_v_may_def): Likewise.
11536 (append_v_must_def): Likewise.
11537 (add_call_clobber_ops): Likewise.
11538 (add_call_read_ops): Likewise.
11539 (add_stmt_operand): Likewise.
11540 (add_virtual_operand): Likewise.
11541 (build_ssa_operands): Likewise.
11543 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11545 PR middle-end/26022
11547 PR middle-end/24437
11548 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11549 with a call expr to ...
11550 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11552 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11554 * tree-vrp.c (extract_range_from_assert): Remove special
11555 handling for types with super-types.
11557 2006-03-01 Ben Elliston <bje@au.ibm.com>
11559 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11560 and powerpc64-*-linux* configurations.
11561 * config/t-dfprules: New file.
11563 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11564 Compile dfp-bit.c from the source directory using -DWIDTH and
11565 $DFP_CFLAGS to control the compilation of that file, rather than
11566 generating width-specific versions in the build directory.
11567 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11568 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11570 2006-02-28 Zack Weinberg <zackw@panix.com>
11572 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11575 2006-02-28 Eric Christopher <echristo@apple.com>
11577 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11578 Set up IN_LIBGCC definition of TARGET_64BIT.
11579 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11581 2006-02-28 Roger Sayle <roger@eyesopen.com>
11583 PR middle-end/14752
11584 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11585 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11586 cases via the construction of "expr != 0".
11588 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11590 * alias.c (alias_invariant, alias_invariant_size): Remove.
11591 (record_base_value): Remove.
11592 (memrefs_conflict_p): Don't look at alias_invariant.
11593 (end_alias_analysis): Don't free it.
11594 * alias.h (record_base_value): Remove prototype.
11596 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11597 Adam Nemet <anemet@caviumnetworks.com>
11599 * rtl.h (truncated_to_mode): Declare it.
11600 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11601 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11602 (RTL_HOOKS_INITIALIZER): Include it.
11603 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11604 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11605 reg_truncated_to_mode.
11606 * rtlanal.c (truncated_to_mode): Define it.
11607 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11609 2006-02-28 Jeff Law <law@redhat.com>
11611 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11612 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11613 the range allowed by TYPE_PRECISION.
11615 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11617 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11619 PR tree-optimization/26419
11620 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11623 2006-02-27 Zack Weinberg <zackw@panix.com>
11625 * doc/md.texi: Fix typo in previous change.
11627 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11631 2006-02-27 Zack Weinberg <zackw@panix.com>
11633 * rtl.def (define_constraint, define_register_constraint)
11634 (define_memory_constraint, define_address_constraint): New MD forms.
11635 * gensupport.c (process_rtx): Put define_constraint etc on the
11637 * genpreds.c (process_define_predicate): Adjust comment. Validate
11638 the name, and call validate_exp to validate the expression.
11639 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11640 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11641 all callers changed.
11642 (validate_exp, needs_variable, struct constraint_data)
11643 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11644 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11645 (const_dbl_constraints, constraint_max_namelen)
11646 (have_register_constraints, have_memory_constraints)
11647 (have_address_constraints, have_address_constraints)
11648 (have_extra_constraints, have_const_int_constraints)
11649 (have_const_dbl_constraints, mangle, add_constraint)
11650 (process_define_constraint, process_define_register_constraint)
11651 (write_enum_constraint_num, write_lookup_constraint)
11652 (write_insn_constraint_len, write_regclass_for_constraint)
11653 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11654 (write_insn_extra_memory_constraint)
11655 (write_insn_extra_address_constraint)
11656 (write_satisfies_constraint_fns): New.
11657 (write_tm_preds_h): If we have new-style constraint definitions,
11658 prototype the functions generated from them, and define the
11659 old constraint interface (still used by generic code) in terms of
11661 (write_insn_preds_c): If we have new-style constraint definitions,
11662 generate all relevant functions from those definitions.
11663 (main): Handle define_constraint etc.
11664 * genoutput.c (struct constraint_data, indep_constraints)
11665 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11666 (mdep_constraint_len): New data structures and functions, defined
11667 #ifdef USE_MD_CONSTRAINTS.
11668 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11669 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11670 use new logic to validate operand constraints against constraint
11672 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11674 * defaults.h: If none of the old-style constraint macros are
11675 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11676 old-style macros; and poison REG_CLASS_FROM_LETTER,
11677 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11679 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11680 * doc/md.texi: Document new constraint-definition mechanism and the
11681 C interface it provides. Remove references to old mechanism
11682 elsewhere in the document.
11683 (Machine Constraints): Use pathnames relative to gcc directory,
11684 i.e. config/ARCH/FILE. Change i386 section to refer to
11685 config/i386/predicates.md; update that section to match docstrings.
11686 * doc/tm.texi: Move all documentation of the old constraint-
11687 definition macros to their own section, clearly mark as obsolete.
11689 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11690 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11692 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11693 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11694 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11695 constraint strings.
11696 (splits and peepholes): Use satisfies_constraint_*.
11697 * config/i386/i386.c (memory_address_length)
11698 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11700 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11702 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11703 scalar operation to be put back into the loop.
11705 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11708 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11709 (extract_cie_info): Handle S flag in augmentation string.
11710 (execute_cfa_program): If context->signal_frame, execute also
11711 fs->pc == context->ra instructions.
11712 (uw_frame_state_for): If context->signal_frame, don't subtract one
11713 from context->ra to find FDE.
11714 (uw_update_context_1): Set context->signal_frame to
11716 (_Unwind_GetIPInfo): New function.
11717 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11718 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11720 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11721 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11722 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11723 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11724 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11725 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11726 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11727 x86_64_fallback_frame_state): Set fs->signal_frame.
11728 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11729 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11730 (frob_update_context): Likewise. Workaround missing S flag in
11731 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11732 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11733 Remove the psw_addr + 1 hack.
11735 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11737 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11738 with aggregates here.
11739 (find_func_aliases): Remove code for &<aggregate> from here.
11741 2006-02-26 Roger Sayle <roger@eyesopen.com>
11743 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11744 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11745 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11746 as (X & C) ne/eq 0.
11748 2006-02-26 Roger Sayle <roger@eyesopen.com>
11750 PR middle-end/19983
11751 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11753 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11755 * opts.c (decode_options): Do not handle flag_strength_reduce.
11756 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11757 and OPT_fstrength_reduce.
11758 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11759 flag_prefetch_loop_arrays for being nonzero.
11760 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11762 (fprefetch-loop-arrays-rtl): Removed.
11763 (flag_prefetch_loop_arrays): Do not specify the value.
11765 * doc/passes.texi: Update documentation of loop optimizer
11767 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11768 -frerun-loop-opt): Remove.
11770 2006-02-26 Richard Guenther <rguenther@suse.de>
11772 PR tree-optimization/26421
11773 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11774 in function calls that are ADDR_EXPRs as using the whole structure.
11776 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11778 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11779 * tree-pass.h (pass_loop_optimize): Remove.
11780 * passes.c (pass_loop_optimize): Never run it.
11781 * toplev.c (backend_init): Don't call init_loop.
11782 * opts.c (flag_loop_optimize_set): Remove.
11783 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11784 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11785 the old RTL loop optimizer when profiling enabled.
11786 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11787 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11788 pre-headers for the sake of the old RTL loop optimizer.
11789 * Makefile.in: Remove all references to loop.o.
11791 * doc/invoke.texi: Remove all references to -floop-optimize
11792 and -frerun-loop-opt.
11794 2006-02-26 Zack Weinberg <zackw@panix.com>
11796 * doc/md.texi (Machine Constraints): Refer to all files with paths
11797 relative to gcc directory (i.e. config/CPU/file). Add missing
11798 @table @code ... @end table to M32C subsection.
11800 2006-02-26 Roger Sayle <roger@eyesopen.com>
11802 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11804 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11806 2006-02-26 Roger Sayle <roger@eyesopen.com>
11807 James A. Morrison <phython@gcc.gnu.org>
11809 PR middle-end/21137
11810 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11811 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11812 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11813 signedness of the shift operation.
11815 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11817 PR tree-optimization/26359
11818 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11820 2006-02-25 Roger Sayle <roger@eyesopen.com>
11822 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11823 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11824 as X == 0, and some symmetry related transformations.
11825 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11827 2006-02-25 Roger Sayle <roger@eyesopen.com>
11829 PR middle-end/23673
11830 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11831 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11832 symmetry related transformations. Fold (X^C1) == C2 as
11835 2006-02-25 Juergen Weigert <jw@suse.de>
11836 Richard Guenther <rguenther@suse.de>
11838 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11840 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11842 * combine.c (gen_lowpart_or_truncate): Call
11843 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11845 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11847 * doc/invoke.texi: Move -fopenmp description to "Options for
11849 Remove reference to -lgomp.
11851 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11853 * doc/install.texi: Require GNU tar version 1.14.
11855 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11857 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11858 * doc/invoke.texi (C++ Dialect Options): Document
11859 -fno-use-cxa-get-exception-ptr.
11860 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11861 * configure: Regenerate.
11862 * c.opt (fuse-cxa-get-exception-ptr): New.
11863 * c-opts.c (c_common_handle_option): Handle
11864 OPT_fuse_cxa_get_exception_ptr.
11865 * c-common.c (flag_use_cxa_atexit): Update documentation.
11866 (flag_use_cxa_get_exception_ptr): New.
11867 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11868 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11870 (C_COMMON_OVERRIDE_OPTIONS): New.
11872 2006-02-24 Roger Sayle <roger@eyesopen.com>
11874 PR middle-end/24952
11875 * combine.c (try_combine): Explicitly check whether GET_CODE is
11876 a SET or a CLOBBER, instead on checking that it isn't a USE.
11878 2006-02-24 Roger Sayle <roger@eyesopen.com>
11880 * fold-const.c (fold_comparison): New subroutine of fold_binary
11881 containing transformations common to both the equality and
11882 ordering relational operators, factored out of fold_binary.
11883 (fold_binary): Separate out the equality operators (EQ_EXPR
11884 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11885 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11886 transformations common to both.
11887 (fold_div_compare): Fix latent bugs in the previously unreachable
11888 LT_EXPR and GE_EXPR cases.
11890 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11892 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11893 decl libname for clog to __clog on AIX.
11895 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11897 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11900 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11901 output traceback table for thunks. Localise rs6000_stack_info call.
11903 2006-02-23 Roger Sayle <roger@eyesopen.com>
11904 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11906 * gthr-posix.h (__gthrw): Fix typo in comment.
11908 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11910 * doc/cpp.texi (Character sets): Document that we do support
11911 input files to be in any character set.
11913 2006-02-23 Jeff Law <law@redhat.com>
11915 * tree.h (PHI_ARG_NONZERO): Remove.
11916 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11917 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11918 node to the new node.
11920 PR tree-optimization/26425
11921 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11922 min/max, then assume its varying.
11924 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11926 PR rtl-optimization/26316
11927 * rtlanal.c (enum may_trap_p_flags): New.
11928 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11929 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11930 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11931 (may_trap_after_code_motion_p): New function.
11932 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11933 (find_invariant_insn): Use may_trap_after_code_motion_p.
11934 * rtl.h (may_trap_after_code_motion_p): Declare.
11936 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11938 * emit-rtl.c (immed_double_const): Cleanup.
11940 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11942 Fix PR tree-optimization/26376
11943 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11946 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11948 PR middle-end/26412
11949 * gimplify.c (omp_add_variable): Guard variable size decl test with
11950 DECL_SIZE (decl) check.
11952 2006-02-23 Richard Guenther <rguenther@suse.de>
11954 PR middle-end/26439
11955 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11956 like aggregate types.
11958 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11960 * configure.ac: Add --with{,out}-long-double-128 configure option.
11961 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11962 * configure: Rebuilt.
11963 * config.in: Rebuilt.
11964 * doc/install.texi (Options specification): Document
11965 --with-long-double-128.
11967 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11968 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11969 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11970 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11972 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11974 * config/s390/s390.c (override_options): Handle
11975 TARGET_DEFAULT_LONG_DOUBLE_128.
11977 * config/alpha/alpha.c (override_options): Handle
11978 TARGET_DEFAULT_LONG_DOUBLE_128.
11980 * config/sparc/sparc.c (sparc_override_options): Handle
11981 TARGET_DEFAULT_LONG_DOUBLE_128.
11983 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11985 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11986 (real-install-headers-tar, real-install-headers-cpio)
11987 (real-install-headers-cp): New targets.
11989 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11991 * tree.h (variable_section): Delete.
11992 * varasm.c (variable_section): Delete.
11994 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11996 * install.texi: Add notes on install.texi2html.
11997 (Building in parallel): Do not use footnotes.
11999 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12002 * doc/install.texi (Configuration): Document --disable-libgomp.
12004 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12006 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12008 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12010 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12011 (vec_extractv2df_0_sse): New.
12013 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12015 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12016 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12017 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12018 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12019 to the result of the expression.
12020 (def_cfa_1): Adjust.
12021 (frame_pointer_cfa_offset): Rename to...
12022 (frame_pointer_fb_offset): ... this. Adjust all uses.
12023 (convert_cfa_to_loc_list): Rename to...
12024 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12025 Pass it on to build_cfa_loc.
12026 (compute_frame_pointer_to_cfa_displacement): Rename to...
12027 (compute_frame_pointer_to_fb_displacement): ... this. New
12028 offset parameter. Use it in computation.
12029 (gen_subprogram_die): Compute cfa_fb_offset with the new
12030 macro, and use it to compute the fb loc list and the
12033 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12035 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12036 replaced with register_operand.
12037 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12038 non-DREG is expensive.
12039 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12040 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12043 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12045 * doc/install.texi2html: Use set -e.
12047 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12049 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12050 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12051 * doc/invoke.texi (-fshared-data): Delete.
12052 * common.opt (fshared-data): Delete.
12053 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12054 (assemble_static_space): Remove #if 0 code.
12055 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12056 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12057 * config/cris/cris.h: Remove FIXME.
12059 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12061 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12064 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12066 PR middle-end/26379
12067 * combine.c (simplify_shift_const_1): Disable nested shifts
12068 optimization for vector shifts.
12070 2006-02-20 Roger Sayle <roger@eyesopen.com>
12072 PR tree-optimization/26361
12073 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12074 of unsigned integer types.
12076 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12078 * tree-chrec.c (eq_evolutions_p): New.
12079 * tree-chrec.h (eq_evolutions_p): Declared.
12080 * tree-data-ref.c: Fix formatting.
12081 (datadep_stats, dependence_stats): New.
12083 (print_direction_vector): New.
12084 (dump_data_dependence_relation): Use print_direction_vector.
12085 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12086 (compute_subscript_distance): Static.
12087 (initialize_data_dependence_relation): Static. Get the number
12088 of loops surrounding the references from the callers, and initialize
12089 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12090 base_object_differ_p analyzers.
12091 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12092 compute_overlap_steps_for_affine_1_2,
12093 analyze_subscript_affine_affine): Count the classified dependences.
12094 Print a message when a test failed.
12095 (can_use_analyze_subscript_affine_affine): New.
12096 (analyze_siv_subscript): Compute the data dependences on symbolic
12097 scevs that verify can_use_analyze_subscript_affine_affine.
12098 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12099 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12100 Handle symbolic scevs.
12101 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12103 (subscript_dependence_tester): Moved...
12104 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12105 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12106 DDR_SIZE_VECT instead of getting it in parameter.
12107 (subscript_dependence_tester): ... here. Take as a parameter
12108 loop_nest_depth. Call build_classic_dist_vector and
12109 build_classic_dir_vector.
12110 (compute_affine_dependence): Update subscript_dependence_tester
12111 parameters. Update datadep_stats counters. Call
12112 compute_subscript_distance.
12113 (compute_self_dependence): Save the dist and dir vectors. Call
12114 compute_subscript_distance.
12115 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12116 (compute_all_dependences): Reorder parameters as they were before
12117 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12118 compute_subscript_distance. Update the use of
12119 compute_affine_dependence and initialize_data_dependence_relation.
12120 (find_data_references_in_loop): Handle COMPONENT_REF.
12121 (compute_data_dependences_for_loop): Initialize dependence_stats.
12122 Don't call build_classic_dist_vector and build_classic_dir_vector.
12123 Update the parameters of initialize_data_dependence_relation and
12124 compute_all_dependences. Print the statistics from datadep_stats.
12125 (analyze_all_data_dependences): Static. Not used until the pass for
12126 checking the data dependences is contributed.
12127 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12128 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12129 (initialize_data_dependence_relation, compute_affine_dependence,
12130 analyze_all_data_dependences, compute_subscript_distance): Removed.
12131 (print_direction_vector): New.
12132 * lambda.h (gcd): ... here.
12133 (lambda_vector_gcd): Moved here from gcd_vector.
12134 * lambda-code.c (gcd, gcd_vector): Removed.
12135 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12136 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12138 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12140 * ipa-type-escape.c: Tidy some comments and white space.
12141 * tree-ssa-operands.c: Likewise.
12143 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12146 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12147 (dump_decl_name): Do not walk the decl tree chains.
12148 * tree-pass.h (TDF_CHAIN): Remove.
12150 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12152 * Makefile.in (C): Remove
12154 (.PHONY): Remove C and PROTO
12156 2006-02-20 Roger Sayle <roger@eyesopen.com>
12158 PR middle-end/26236
12159 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12160 deprecated CHAR_TYPE tree code.
12162 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12164 * configure.ac (target_list): Add install-info, dvi, html.
12165 * configure: Regenerate.
12167 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12168 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12169 treelang/Make-lang.in: Do not use double-colon rules.
12171 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12173 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12174 (TMT_USED_ALONE): New macro.
12175 * tree-pass.h (PROP_tmt_usage): New property.
12176 (TODO_update_tmt_usage): New todo.
12177 * tree-ssa-alias.c (updating_used_alone): New variable.
12178 (recalculate_used_alone): New function.
12179 (compute_may_aliases): Set updating_used_alone, call
12180 recalculate_used_alone.
12181 * tree-sra.c (pass_sra): Note that this pass destroys
12182 PROP_tmt_usage, and add TODO_update_tmt_usage.
12183 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12184 * tree-flow.h (updating_used_alone): Prototype.
12185 (recalculate_used_alone): Ditto.
12186 * passes.c (execute_todo): Add code to set updating_used_alone,
12187 and call recalculate.
12188 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12189 for clobber if used alone, and add assert to verify used_alone
12192 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12194 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12195 for non tls symbols added.
12196 (legitimize_address): Do nothing for PLUS expressions if one of the
12197 addends is a tls symbol reference.
12199 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12203 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12205 * Makefile.in (BOOTSTRAPPING): New.
12206 (quickstrap): New definition if BOOTSTRAPPING=yes.
12208 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12209 * configure.ac: Substitute all_selected_languages with the languages
12210 that were configured. For all the other variables except
12211 lang_specs_files, include all the languages in the tree.
12212 * configure: Regenerate.
12214 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12215 if there is one. Run the commands to run fixincludes in the same
12218 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12219 * doc/install.texi: Document exact conventions for searching target tools.
12220 Document --with-build-time-tools. Document toplevel bootstrap. Document
12221 something more about building an Ada cross-compiler. Don't list GNU Make
12222 requirements which affect all platforms.
12224 2006-02-19 Roger Sayle <roger@eyesopen.com>
12226 PR middle-end/19543
12227 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12228 only equivalent if the have both the same mode and precision.
12230 2006-02-20 Ben Elliston <bje@au.ibm.com>
12232 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12234 2006-02-19 Roger Sayle <roger@eyesopen.com>
12235 Steven Bosscher <stevenb.gcc@gmail.com>
12237 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12238 constant pool references to identify stack mode constants.
12239 * rtlanal.c (constant_pool_constant_p): New predicate to check
12240 whether operand is a floating point constant in the pool.
12241 * rtl.h (constant_pool_constant_p): Prototype here.
12242 * loop.c (scan_loop): Avoid hoisting constants from the constant
12243 pool on STACK_REGS targets.
12244 (load_mems): Likewise.
12245 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12246 loads into x87 registers expensive in terms of register pressure.
12248 2006-02-19 Roger Sayle <roger@eyesopen.com>
12250 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12251 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12253 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12255 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12256 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12258 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12260 * doc/invoke.texi: Document -fipa-pta.
12261 * common.opt: Add ipa-pta option.
12262 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12263 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12264 (do_ds_constraint): Ditto.
12265 (get_constraint_for): Only add to referenced_vars if
12266 referenced_vars exists.
12267 (insert_into_field_list): Rewrite to do this unsorted.
12268 (insert_into_field_list_sorted): Rename old insert_into_field_list
12270 (create_function_info_for): Use insert_into_field_list_sorted.
12271 (create_variable_info_for): Rewrite so it uses unsorted version,
12272 since the field list is sorted.
12273 (intra_create_variable_infos): Only add to referenced_vars if
12274 referenced_vars exists.
12275 (ipa_pta_execute): Init heapvars, and delete when done.
12276 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12278 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12280 * doc/install.texi: Add missing `@samp'.
12282 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12284 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12287 2006-02-18 Mark Wielaard <mark@klomp.org>
12289 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12290 who added new 4.1 features, bug fixes and integration support.
12292 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12295 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12296 MEM for ABI_V4 pic.
12298 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12300 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12301 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12302 (copy_insn_1): Likewise. Don't copy each field individually.
12304 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12306 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12307 * rtl.c (rtx_size): Rename variable to...
12308 (rtx_code_size): ...this.
12309 (rtx_size): New function.
12310 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12311 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12313 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12314 * rtl.h (rtx_code_size): New variable.
12315 (rtx_size): Change from a variable to a function.
12316 (RTX_SIZE): Rename to...
12317 (RTX_CODE_SIZE): ...this.
12320 PR tree-optimization/17106
12321 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12322 (Anchored Addresses): New section.
12323 * doc/invoke.texi (-fsection-anchors): Document.
12324 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12325 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12326 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12327 * hooks.c (hook_bool_mode_rtx_false): New function.
12328 * hooks.h (hook_bool_mode_rtx_false): Declare.
12329 * gengtype.c (create_optional_field): New function.
12330 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12331 SYMBOL_REF_IN_BLOCK_P is true.
12332 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12333 (min_anchor_offset, max_anchor_offset): Likewise.
12334 (use_anchors_for_symbol_p): New hook.
12335 * toplev.c (compile_file): Call output_object_blocks.
12336 (target_supports_section_anchors_p): New function.
12337 (process_options): Check that -fsection-anchors is only used on
12338 targets that support it and when -funit-at-a-time is in effect.
12339 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12340 if the decl doesn't have one.
12341 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12342 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12343 of force_const_mem through use_anchored_address.
12344 (expand_expr_constant): New function.
12345 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12346 calling expand_expr for INDIRECT_REF.
12347 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12348 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12349 * expr.h (use_anchored_address): Declare.
12350 * loop-unroll.c: Don't declare rtx vectors here.
12351 * explow.c: Include output.h.
12352 (validize_mem): Call use_anchored_address.
12353 (use_anchored_address): New function.
12354 * common.opt (-fsection-anchors): New switch.
12355 * varasm.c (object_block_htab, anchor_labelno): New variables.
12356 (hash_section, object_block_entry_eq, object_block_entry_hash)
12357 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12358 (use_blocks_for_decl_p, change_symbol_section): New functions.
12359 (get_variable_section): New function, split out from assemble_variable.
12360 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12361 use_blocks_for_decl_p say so. Use change_symbol_section if the
12362 symbol has already been created.
12363 (assemble_variable_contents): New function, split out from...
12364 (assemble_variable): ...here. Don't output any code for
12365 block symbols; just pass them to place_block_symbol.
12366 Use get_variable_section and assemble_variable_contents.
12367 (get_constant_alignment, get_constant_section, get_constant_size): New
12368 functions, split from output_constant_def_contents.
12369 (build_constant_desc): Create a block symbol if use_object_blocks_p
12370 says so. Or into SYMBOL_REF_FLAGS.
12371 (assemble_constant_contents): New function, split from...
12372 (output_constant_def_contents): ...here. Don't output any code
12373 for block symbols; just pass them to place_section_symbol.
12374 Use get_constant_section and get_constant_alignment.
12375 (force_const_mem): Create a block symbol if use_object_blocks_p and
12376 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12377 (output_constant_pool_1): Add an explicit alignment argument.
12378 Don't switch sections here.
12379 (output_constant_pool): Adjust call to output_constant_pool_1.
12380 Switch sections here instead. Don't output anything for block symbols;
12381 just pass them to place_block_symbol.
12382 (init_varasm_once): Initialize object_block_htab.
12383 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12384 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12385 (place_block_symbol, get_section_anchor, output_object_block)
12386 (output_object_block_htab, output_object_blocks): New functions.
12387 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12388 (TARGET_ASM_OUT): Include it.
12389 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12390 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12391 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12392 (TARGET_INITIALIZER): Include them.
12393 * rtl.c (rtl_check_failed_block_symbol): New function.
12394 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12395 (block_symbol, object_block): New structures.
12396 (rtx_def): Add a block_symbol field to the union.
12397 (BLOCK_SYMBOL_CHECK): New macro.
12398 (rtl_check_failed_block_symbol): Declare.
12399 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12400 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12401 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12402 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12403 * output.h (output_section_symbols): Declare.
12404 (object_block): Name structure.
12405 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12406 (default_use_anchors_for_symbol_p): Declare.
12407 * Makefile.in (RTL_BASE_H): Add vec.h.
12408 (explow.o): Depend on output.h.
12409 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12410 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12411 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12412 (rs6000_use_blocks_for_constant_p): New function.
12414 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12416 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12418 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12421 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12424 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12426 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12430 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12432 PR middle-end/26334
12433 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12434 instead of DECL_REGISTER.
12436 2006-02-18 Olivier Hainque <hainque@adacore.com>
12439 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12441 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12444 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12445 * opth-gen.awk: Handle Var and InverseMask together.
12446 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12447 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12448 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12449 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12451 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12452 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12453 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12454 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12455 LINUX_DYNAMIC_LINKER): Define.
12456 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12457 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12459 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12460 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12461 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12462 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12463 (TARGET_C99_FUNCTIONS): Don't define.
12464 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12465 GLIBC_DYNAMIC_LINKER.
12466 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12467 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12468 GLIBC_DYNAMIC_LINKER64): Define.
12469 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12470 LINUX_DYNAMIC_LINKER64.
12471 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12472 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12473 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12474 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12475 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12476 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12477 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12478 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12479 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12480 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12481 and LINUX_DYNAMIC_LINKER32.
12482 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12483 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12484 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12485 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12486 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12488 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12489 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12490 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12491 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12492 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12493 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12494 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12495 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12496 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12497 LINUX_DYNAMIC_LINKER): Define.
12498 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12499 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12500 GLIBC_DYNAMIC_LINKER64): Define.
12501 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12502 LINUX_DYNAMIC_LINKER64.
12503 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12504 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12505 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12506 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12507 LINUX_DYNAMIC_LINKER): Define.
12508 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12509 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12510 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12511 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12512 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12513 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12514 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12515 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12516 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12517 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12518 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12519 * doc/invoke.texi (-muclibc): Remove caveat about supported
12522 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12524 * doc/cpp.texi (__TIMESTAMP__): Document.
12526 2006-02-17 Roger Sayle <roger@eyesopen.com>
12528 PR middle-end/25600
12529 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12530 C is one less than the width of X (and related transformations).
12531 * simplify-rtx.c (simplify_unary_operation_1): Transform
12532 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12533 depending on STORE_FLAG_VALUE, were C is one less then the
12536 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12538 Fix PR tree-optimization/26341
12539 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12540 about NAME_MEMORY_TAG's.
12542 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12545 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12546 with hardware float support, and software float support. Add fcpy
12547 alternative to hardware patterns. Add alternatives to copy between
12548 general and floating-point registers to the 32-bit pattern.
12549 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12550 secondary reload to load a QI or HI mode constant into a floating
12552 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12553 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12555 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12558 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12560 (load_macho_picbase_di): Likewise.
12562 2006-02-16 Jeff Law <law@redhat.com>
12564 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12565 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12566 (ssa_name_nonzero_p): Likewise.
12567 (get_value_range): Return NULL if VRP is not running.
12568 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12569 VRP routines do not discover a range.
12570 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12571 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12572 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12573 (tree_expr_nonnegative_p): Similarly.
12574 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12575 (restore_nonzero_vars_to_original_value): Remove.
12576 (unsafe_associative_fp_binop): Remove.
12577 (tree_ssa_dominator_optimize): Remove initialization and
12578 finalization of nonzero_vars and nonzero_vars_stack.
12579 (dom_opt_initialize_block): No longer push marker on
12580 nonzero_vars_stack.
12581 (dom_opt_finalize_block): No longer call
12582 restore_nonzero_vars_to_original_value.
12583 (record_equivalences_from_phis): No longer look for
12584 nonzero PHI arguments.
12585 (cprop_into_successor_phis): No longer propagate nonzero
12586 property into PHI arguments. Lose unused argument. Caller
12588 (record_equivalences_from_stmt): No longer record nonzero
12589 values for SSA_NAMEs.
12590 (lookup_avail_expr): No longer use nonzero_vars.
12592 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12593 for sizetype when sizetype is unsigned.
12595 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12597 PR rtl-optimization/25603
12598 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12599 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12600 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12601 with new meaning of SETS.
12603 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12608 * config/linux.opt: New file.
12609 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12610 LINUX_DYNAMIC_LINKER): Define.
12611 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12612 * config.gcc (*-*-linux*): Define extra_options.
12613 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12614 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12615 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12616 GLIBC_DYNAMIC_LINKER.
12617 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12618 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12619 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12620 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12621 * doc/invoke.texi (GNU/Linux Options): New section.
12623 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12625 * config/sparc/sparc.md (setjmp): Rewrite.
12626 (setjmp_32): Delete.
12627 (setjmp_64): Likewise.
12629 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12631 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12634 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12636 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12639 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12641 PR rtl-optimization/26296
12642 * Makefile.in (loop-invariant.c): Add except.h dependency.
12643 * loop-invariant.c: Include except.h.
12644 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12646 2005-02-16 Paul Brook <paul@codesourcery.com>
12648 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12651 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12653 PR rtl-optimization/25636
12654 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12655 when deciding whether an insn is an initializing insn.
12657 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12659 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12660 (tree_code_size): Ditto.
12661 * tree.h (struct tree_memory_tag): Remove parent_var.
12662 (struct tree_struct_field_tag): New.
12665 (union tree_node): Add sft member.
12666 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12668 (create_sft): Add size and offset argument, set SFT_OFFSET and
12670 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12671 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12672 * tree-flow-inline.h (get_subvar_at): Update for
12673 SFT_OFFSET/SFT_SIZE.
12674 (var_can_have_subvars): Ditto.
12675 (overlap_subvar): Ditto.
12676 * print-tree.c (print_node): Print out interesting things for
12678 * tree-flow.h (struct subvar): Remove offset and size members.
12679 * tree-ssa-operands.c (get_expr_operands): Update for
12680 get_indirect_ref_operands changes.
12681 (get_indirect_ref_operands): Call add_virtual_operand instead of
12682 add_stmt_operand. Only recurse on base var if requested.
12683 (access_can_touch_variable): New function.
12684 (add_stmt_operand): Split virtual operand handling into ...
12685 (add_virtual_operand): Here. Add offset, size, and for_clobber
12686 arguments. Prune alias sets.
12687 (add_call_clobber_ops): Call add_virtual_operand.
12689 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12691 PR middle-end/26300
12692 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12694 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12695 than TREE_CODE as index into omp_clause_num_ops array.
12697 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12699 PR rtl-optimization/26184
12700 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12702 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12703 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12704 must_precede, must_follow and tobe_scheduled.
12707 * opts.c (common_handle_option): Free new_option pointer.
12708 * df-core.c (df_analyze): Free postorder pointer.
12710 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12712 * Makefile.in: Fix the examples about the use of stamps
12714 2006-02-15 Michael Matz <matz@suse.de>
12716 PR middle-end/22275
12718 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12719 influenced by maximum_field_alignment or DECL_PACKED.
12720 (update_alignment_for_field): Ditto.
12721 (place_field): Ditto.
12722 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12725 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12727 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12728 (debug_flow_info): Pass it.
12729 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12730 * bb-reorder.c (reorder_basic_blocks): Likewise.
12731 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12732 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12733 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12734 * gcse.c (gcse_main, bypass_jumps): Likewise.
12735 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12736 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12737 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12738 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12739 * rtl.h (dump_flow_info): Adjust prototype.
12740 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12741 * var-tracking.c (variable_tracking_main): Likewise.
12742 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12743 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12746 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12748 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12751 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12753 PR tree-optimization/26209
12754 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12755 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12757 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12759 2006-02-14 Roger Sayle <roger@eyesopen.com>
12761 PR middle-end/23670
12762 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12763 (X,Y) and the corresponding symmetry related transformations.
12764 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12765 (X,Y) and its symmetry related transformations.
12767 2006-02-14 Roger Sayle <roger@eyesopen.com>
12769 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12772 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12774 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12776 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12779 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12780 support COMDAT group.
12781 * configure: Regenerate.
12783 2006-02-14 Roger Sayle <roger@eyesopen.com>
12785 PR middle-end/26279
12786 PR middle-end/26280
12787 PR middle-end/26283
12788 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12790 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12792 Fix PR tree-optimization/26260
12794 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12796 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12797 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12798 * tree-ssa-structalias.c (create_variable_info_for): Use
12799 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12801 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12803 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12805 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12806 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12807 of the ending condition.
12808 * tree-ssa-loop-manip.c: Include params.h.
12809 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12810 tree_unroll_loop): New functions.
12811 * tree-pass.h (pass_loop_prefetch): Declare.
12812 * loop.c (rest_of_handle_loop_optimize): Test for
12813 -fprefetch-loop-arrays-rtl.
12814 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12815 * timevar.def (TV_TREE_PREFETCH): New timevar.
12816 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12817 pass_loop_prefetch): New.
12818 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12819 (cleanup_tree_cfg_loop): Call scev_reset.
12820 * common.opt (fprefetch-loop-arrays-rtl): Add.
12821 * tree-ssa-loop-prefetch.c: New file.
12822 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12823 (new_temp_expr_table): Initialize expr_vars.
12824 (free_temp_expr_table): Cleanup expr_vars.
12825 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12826 expressions from being merged into one.
12827 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12828 (struct tree_niter_desc): Add control, bound and cmp fields.
12829 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12831 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12832 (tree-cfgcleanup.o): Add SCEV_H dependency.
12833 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12834 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12836 2006-02-14 Richard Guenther <rguenther@suse.de>
12838 PR tree-optimization/26258
12839 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12840 in PHI argument processing.
12842 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12844 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12845 new expression in the requested machine mode.
12847 2006-02-13 Roger Sayle <roger@eyesopen.com>
12849 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12850 directly, instead let do_compare_rtx_and_jump handle this for us.
12851 * expr.c (expand_expr_real_1): Likewise.
12852 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12853 before do_jump_by_parts_greater.
12854 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12855 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12857 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12859 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12861 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12863 PR rtl-optimization/26235
12864 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12865 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12868 2006-02-13 Jeff Law <law@redhat.com>
12870 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12873 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12875 PR middle-end/26092
12876 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12877 twice if decl is a builtin. When trying again, call get_callee_fndecl
12878 first to verify it is still a builtin.
12880 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12882 * dwarf2out.c (base_type_die): Don't add AT_name here.
12883 (subrange_type_die): Don't add AT_name here.
12884 (modified_type_die): Rearrange code flow. Do add AT_name here.
12886 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12888 PR rtl-optimization/26247
12889 PR rtl-optimization/26248
12890 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12892 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12894 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12895 * config/fixtfdi.c: Likewise.
12896 * config/fixunstfdi.c: Likewise.
12897 * config/floatditf.c: Likewise.
12899 2006-02-13 Roger Sayle <roger@eyesopen.com>
12901 PR middle-end/24427
12902 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12903 into (X,C2) if C1 is a subset of the bits of C2. Transform
12904 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12906 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12908 2006-02-13 Josh Conner <jconner@apple.com>
12911 * varasm.c (function_section): Check for section name before
12912 calling select_section on targets that define
12913 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12914 unlikely_text_section instead of hot_function_section if
12915 first_function_block_is_cold.
12917 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12919 PR middle-end/25335
12920 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12922 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12924 PR rtl-optimization/26222
12925 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12926 after tree->rtl expansion.
12927 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12928 before passing it to emit_move_insn.
12930 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12932 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12934 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12935 Clarify documentation.
12936 * c-common.h (warn_write_strings): Remove.
12937 * c-common.c (warn_write_strings): Likewise.
12938 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12941 2006-02-12 Roger Sayle <roger@eyesopen.com>
12943 PR middle-end/25724
12944 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12945 (do_jump_parts_zero_rtx): New function renamed from
12946 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12947 (do_jump_parts_equality_rtx): New function split out from
12948 do_jump_parts_equality. Old implementation renamed as above.
12949 Call do_jump_parts_zero_rtx if either operand is zero.
12950 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12951 do all of the heavy lifting.
12952 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12953 calling either do_jump_by_parts_greater_rtx or
12954 do_jump_by_parts_equality_rtx.
12955 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12956 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12957 moved to do_compare_rtx_and_jump, call it directly.
12958 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12959 mode argument. Call do_compare_rtx_and_jump.
12960 (emit_case_nodes): Update calls to do_jump_if_equal.
12962 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12964 PR rtl-optimization/26225
12965 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12967 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12969 PR rtl-optimization/26232
12970 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12972 2006-02-11 Jason Merrill <jason@redhat.com>
12975 * tree-inline.c (declare_return_variable): Just don't use the
12976 modify target if it's a gimple complex reg and the return slot
12979 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12981 * doc/contrib.texi: Update my entry.
12983 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12985 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12987 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12989 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12992 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12994 * doc/invoke.texi (-floop-optimize2): Removed.
12995 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12996 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12997 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12998 * common.opt (floop-optimize2): Removed.
12999 (fmove-loop-invariants): Enabled by default.
13001 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13003 * tree-if-conv.c (combine_blocks): Free the result of
13004 get_loop_exit_edges.
13006 2006-02-10 Jeff Law <law@redhat.com>
13008 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13010 PR tree-optimization/26213
13011 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13012 loop trying to follow SSA_NAME_VALUE chains.
13014 2006-02-10 Richard Guenther <rguenther@suse.de>
13016 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13017 deal with structures that end in implicitly variable sized arrays.
13019 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13021 PR rtl-optimization/24762
13022 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13025 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13027 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13028 (struct ivopts_data): Add regs_used field.
13029 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13030 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13031 instead of loop_data->regs_used;
13032 (free_loop_data): Do not free aux fields for loops.
13033 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13034 and tree_ssa_iv_optimize_finalize.
13036 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13038 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13040 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13043 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13044 computing the effective result type.
13046 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13048 PR inline-asm/16194
13049 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13050 (tree_overlaps_hard_reg_set): Declare.
13051 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13052 type and signature to match function type expected by walk_tree.
13053 (tree_overlaps_hard_reg_set): New function.
13054 (decl_conflicts_with_clobbers_p): Rename to:
13055 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13056 Use tree_overlaps_hard_reg_set. Changed caller.
13057 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13058 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13059 * cris.c (cris_md_asm_clobbers): Likewise.
13061 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13063 * reload1.c (emit_input_reload_insns): Delete code that tries to
13064 inherit using find_equiv_reg.
13066 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13068 * c-common.h (flag_const_strings): Don't declare.
13069 * c-common.c (flag_const_strings): Remove.
13070 * c.opt (fconst_strings): Remove.
13071 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13072 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13073 (c_common_init_options): Don't set flag_const_strings.
13074 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13076 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13078 * arm.md (tlobits_cbranch): New pattern.
13079 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13080 testing a single bit.
13082 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13085 * tree-ssa-pre.c (create_component_ref_by_pieces):
13086 Handle RETURN_DECL like VAR_DECL.
13088 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13090 PR middle-end/26134
13091 * fold-const.c (fold_indirect_ref_1): Fold
13092 "*(foo *)&complexfoo" to "__real__ complexfoo"
13093 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13095 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13097 * tree-flow-inline.h (var_can_have_subvars):
13098 Volatile variables should not have subvariables.
13100 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13103 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13104 multiplying unsigned values.
13107 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13109 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13111 2006-02-08 Jason Merrill <jason@redhat.com>
13114 * tree.def: Elaborate on difference from MODIFY_EXPR.
13115 * doc/c-tree.texi (INIT_EXPR): Likewise.
13116 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13117 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13118 (gimplify_target_expr): Likewise.
13119 (gimplify_cond_expr): Remove target handling.
13120 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13121 (gimplify_expr): Clobber it here.
13122 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13123 Do return slot optimization if we have an INIT_EXPR.
13126 * tree-inline.c (declare_return_variable): Also clear
13127 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13130 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13132 PR middle-end/22439
13133 * gimplify.c (gimplify_one_sizepos): Fix typo.
13135 2006-02-08 Jeff Law <law@redhat.com>
13137 PR tree-optimization/21417
13138 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13139 across a backedge if the control statement at the end of the
13140 block is data dependent on other statements in the same block.
13141 (record_temporary_equivalences_from_stmts): Remove over-conservative
13142 test for threading across backedges.
13144 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13145 control statement, handle all three special cases in the same
13146 manner as they all have the same desired solution. No longer
13147 special case edge flag updating when the post dominator is
13150 2006-02-08 Roger Sayle <roger@eyesopen.com>
13152 * tree.def (CHAR_TYPE): Remove.
13153 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13154 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13155 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13156 (gen_string_type_die): Delete unreachable function.
13158 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13159 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13160 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13161 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13162 * builtins.c (type_to_class): Likewise.
13163 * fold-const.c (fold_convert, build_range_check,
13164 merge_ranges): Likewise.
13165 * expr.c (count_type_elements): Likewise.
13166 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13167 * stor-layout.c (layout_type): Likewise.
13168 * ipa-type-escape.c (type_to_consider): Likewise.
13169 * gimplify.c (omp_firstprivatize_type_sizes,
13170 gimplify_type_sizes): Likewise.
13171 * explow.c (promote_mode): Likewise.
13172 * tree-sra.c (is_sra_scalar_type): Likewise.
13173 * varasm.c (output_constant): Likewise.
13174 * tree-inline.c (remap_type_1): Likewise.
13175 * convert.c (convert_to_pointer, convert_to_real,
13176 convert_to_integer, convert_to_complex): Likewise.
13178 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13180 * df-scan.c (df_def_record_1): A set destination may
13181 be a parallel regardless of mode.
13183 2006-02-08 Roger Sayle <roger@eyesopen.com>
13186 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13187 * config/mips/_tilib.c: Remove.
13188 * config/fixtfdi.c: New libgcc source file.
13189 * config/fixunstfdi.c: New source file.
13190 * config/floatditf.c: New source file.
13191 * config/floatunditf.c: New souce file.
13192 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13193 files above instead of config/mips/_tilib.c.
13194 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13196 2006-02-08 Jeff Law <law@redhat.com>
13198 PR tree-optimization/26169
13199 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13202 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13204 * df.h (DF_REG_SIZE): Return the length of the initialized
13207 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13209 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13210 __muldf3): Return a correctly signed zero.
13212 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13214 * passes.c (register_one_dump_file): Accept the current properties
13215 instead of pass number. Adjust call to dump_register. Remove
13217 (register_dump_files): Now a wrapper around...
13218 (register_dump_files_1): ... this one. Do not modify the pass
13220 (next_pass_1): Cosmetic fix.
13221 (execute_todo): Keep second parameter only. Use curr_properties
13222 instead of fetching it from the pass structure. Check and set
13224 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13225 instead of fetching it from the pass structure. Fix calls to
13226 execute_todo. Update curr_properties and initialize .vcg RTL dump
13227 after running the pass. Reset last_verified.
13228 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13230 (FIRST_AUTO_NUMBERED_DUMP): New.
13231 (dump_register): Remove "num" parameter, assign it within the
13233 (get_dump_file_name): Modify template for dumps.
13234 * tree-dump.h (dump_register): Adjust prototype.
13235 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13236 (PROP_trees): Add PROP_gimple_lomp.
13237 (TODO_set_props): New.
13238 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13239 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13240 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13242 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13244 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13245 (sparc64-*-linux*): Likewise.
13246 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13247 * config/sparc/t-linux: New file.
13248 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13249 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13250 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13251 -m32 -mlong-double-128.
13253 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13254 * config/alpha/t-linux: New file.
13255 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13257 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13258 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13259 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13260 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13261 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13262 (CPP_ARCH32_SPEC): Remove.
13264 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13266 PR tree-optimization/26145
13267 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13270 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13273 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13274 >= 240000 when generating code for SOM runtime.
13275 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13276 to $$dyncall when generating code for SOM runtime..
13278 2006-02-07 Dirk Mueller <dmueller@suse.com>
13281 * doc/invoke.texi (-Wsequence-point): Update documentation
13282 that -Wsequence-point is implemented for C++ as well.
13284 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13286 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13287 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13288 (LIB_SPEC): Likewise.
13289 * doc/invoke.texi (SPARC options): Document -pthread.
13291 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13293 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13296 2006-02-07 Roger Sayle <roger@eyesopen.com>
13298 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13299 Correct comment describing BOOLEAN_TYPE.
13301 2006-02-07 Dirk Mueller <dmueller@suse.com>
13303 * c.opt: C++ frontend supports -Wdiv-by-zero.
13304 * c-opts.c (c_common_handle_option): Remove dead case.
13306 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13308 * configure.ac (TLS assembler check): Do not enable TLS by
13309 default on SPARC/Solaris before version 10.
13310 * configure: Regenerate.
13312 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13314 * doc/invoke.texi (xl-compat): Document conversion and support
13317 2006-02-07 Jeff Law <law@redhat.com>
13319 * tree-vrp.c (find_conditional_asserts): Update comments.
13320 (simplify_stmt_for_jump_threading): New.
13321 (identify_jump_threads, finalize_jump_threads): New.
13322 (vrp_finalize): Call identify_jump_threads.
13323 (execute_vrp): Call finalize_jump_threads.
13324 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13325 (vrp_element, vrp_data, vrp_element_p): Remove.
13326 (vrp_hash_elt, vrp_variables_stack): Remove.
13327 (vrp_hash, vrp_eq, record_range): Remove.
13328 (simplify_cond_and_lookup_avail_expr): Remove.
13329 (extract_range_from_cond): Remove.
13330 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13331 (simplify_stmt_for_jump_threading): New.
13332 (dom_thread_across_edge): New wrapper.
13333 (tree_ssa_dominator_optimize): No longer initialize or
13334 finalize any of the VRP datastructures. Remove iteration
13335 step and simplify as a result of removal of iteration step.
13336 (pass_dominator): Perform a cfg cleanup after DOM.
13337 (dom_opt_finalize_block): Use the new common routines
13338 for threading jumps. Simplify stack management slightly.
13339 No longer need to unwind VRP state.
13340 (record_equivalences_from_incoming_edge): No longer record
13342 (eliminate_redundant_computations): No longer call
13343 simplify_cond_and_lookup_avail_expr.
13344 * tree-flow.h (potentially_threadable_block): Prototype.
13345 (thread_across_edge): Likewise.
13346 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13347 (tree-ssa-threadedge.o): Add dependencies.
13348 * tree-ssa-threadedge.c: New file.
13349 * passes.c (init_optimization_passes): Merge PHIs before
13350 calling VRP. Run VRP again late in the SSA optimization pipeline.
13352 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13354 * df-core.c (df_set_blocks): Do not dereference function pointers.
13355 (df_finish1): Likewise.
13356 (df_hybrid_search_forward): Likewise.
13357 (df_hybrid_search_backward): Likewise.
13358 (df_iterative_dataflow): Likewise.
13359 (df_analyze_problem): Likewise.
13360 (df_compact_blocks): Likewise.
13361 (df_dump): Likewise.
13362 * df-scan.c (df_rescan_blocks): Likewise.
13363 (df_record_entry_block_defs): Likewise.
13365 * genconditions.c (write_conditions): Guard the definition of
13366 'insn_conditions' with the check on GCC version.
13367 (write_writer): Guard the traversal 'insn_conditions' with
13368 the check on GCC version.
13370 2006-02-07 Richard Guenther <rguenther@suse.de>
13374 2006-01-30 Richard Guenther <rguenther@suse.de>
13376 * gimplify.c (gimplify_target_expr): Handle easy cases
13377 without creating a temporary.
13379 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13381 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13382 use of float in probability computations. Use edge probabilities
13383 in place of statically computed probabilities.
13384 (min_spec_prob): New static variable.
13385 (schedule_insns): Initialize it.
13386 (GET_SRC_PROB): Removed.
13387 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13389 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13392 * config/ia64/unwind-ia64.c: Revert last change.
13393 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13394 (INCOMING_FRAME_SP_OFFSET): Define.
13396 2006-02-06 Roger Sayle <roger@eyesopen.com>
13398 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13400 2006-02-07 Ben Elliston <bje@au.ibm.com>
13402 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13403 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13404 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13405 (ix86_return_in_memory): Handle TDmode.
13406 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13407 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13409 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13411 * reorg.c (dbr_schedule): Use dump_file instead of file.
13413 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13416 * config/ia64/predicates.md (extr_len_operand): New predicate.
13417 * config/ia64/ia64.md (extv): Tighten constraints.
13419 (*tbit_and_2): Ditto.
13420 (*tbit_and_3): Ditto.
13421 (*tbit_or_2): Ditto.
13422 (*tbit_or_3): Ditto.
13423 (*bit_zero): Ditto.
13426 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13429 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13431 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13433 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13434 loop_optimizer_init and loop_optimizer_finalize
13435 * tree-ssa-sink.c (execute_sink_code): Ditto.
13436 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13437 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13438 tree_ssa_loop_done): Ditto.
13439 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13440 * sched-ebb.c: Include output.h.
13441 (schedule_ebbs): Do not use dump argument.
13442 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13443 * loop.c (loop_dump_stream): Removed.
13444 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13446 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13447 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13448 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13449 loop_iterations, strength_reduce, record_biv, record_giv,
13450 final_giv_value, check_final_value, check_ext_dependent_givs,
13451 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13452 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13453 dump_file instead of loop_dump_stream.
13454 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13455 argument dump_file.
13456 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13458 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13459 * haifa-sched.c: Include output.h
13460 (schedule_insns, sched_init): Do not use dump argument.
13461 * mode-switching.c (optimize_mode_switching): Ditto.
13462 * modulo-sched.c (stats_file): Removed.
13463 (print_node_sched_params): Do not call argument dump_file.
13464 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13465 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13467 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13469 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13470 rtl_loop_init, rtl_loop_done): Ditto.
13471 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13472 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13474 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13475 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13476 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13477 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13478 * emit-rtl.c (renumber_insns): Ditto.
13479 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13480 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13481 * regclass.c (regclass): Ditto.
13482 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13483 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13484 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13485 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13487 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13488 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13490 * gcse.c (gcse_file, debug_stderr): Removed.
13491 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13492 rest_of_handle_gcse): Do not use dump argument.
13493 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13494 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13495 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13496 compute_code_hoist_vbeinout, compute_code_hoist_data,
13497 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13498 compute_store_table, build_store_vectors, insert_insn_start_bb,
13499 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13500 store_motion): Use dump_file instead of gcse_file.
13501 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13502 * profile.c (profile_dump_file): Removed.
13503 (branch_prob): Use dump_file instead of profile_dump_file.
13504 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13506 * tree-ssa-copy.c (dump_copy_of): Ditto.
13507 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13508 dump file to life_analysis.
13509 * bt-load.c (branch_target_load_optimize): Ditto.
13510 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13512 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13513 regclass, dbr_schedule): Declaration changed.
13514 * sched-int.h (sched_init): Declaration changed.
13515 * tree-profile.c (tree_profile_dump_file): Removed.
13516 (tree_profile_hooks): Removed profile_dump_file hook.
13517 * rtl-profile (rtl_profile_dump_file): Removed.
13518 (rtl_profile_hooks): emoved profile_dump_file hook.
13519 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13521 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13522 * tree-cfg.c (build_tree_cfg): Ditto.
13523 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13524 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13525 Declaration changed.
13526 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13527 life_analysis and schedule_insns.
13528 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13530 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13532 * config/mips/mips.c (mips_reorg): Ditto.
13533 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13536 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13538 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13539 (s390_mangle_fundamental_type): New.
13540 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13543 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13544 (alpha_mangle_fundamental_type): New.
13545 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13548 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13550 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13552 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13553 (sparc_mangle_fundamental_type): New.
13555 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13557 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13558 (s390x-*-linux*): Likewise.
13559 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13560 * config/s390/t-linux: New file.
13562 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13564 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13565 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13567 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13569 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13570 (ANTIC_SAFE_LOADS): New macro.
13571 (find_or_generate_expression): Add prototype.
13572 (set_contains_value): Allow null set for sake of not always having
13573 to allocate ANTIC_SAFE_LOADS.
13574 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13575 Allow COMPONENT_REF too.
13576 (valid_in_set): Allow COMPONENT_REF.
13577 Check ANTIC_SAFE_LOADS too.
13578 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13579 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13581 (can_PRE_operation): Add COMPONENT_REF.
13582 (create_component_ref_by_pieces): New function.
13583 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13584 (insert_aux): Move AGGREGATE_TYPE_P check here.
13585 (compute_avail): Set bb local stmt uids.
13586 (pass_pre): Use TODO_update_ssa_only_virtuals.
13588 2006-02-06 Ben Elliston <bje@au.ibm.com>
13590 * configure.ac: Unconditionally disable decimal float by default.
13591 * configure: Regenerate.
13593 2006-02-06 Ben Elliston <bje@au.ibm.com>
13595 * read-rtl.c (read_name): Terminate reading on EOF.
13597 2006-02-06 Ben Elliston <bje@au.ibm.com>
13599 * dfp.c (decimal_real_arithmetic): Change second argument type
13600 from int to enum tree_code. Do not always return true, but now
13601 return result of any call to decimal_do helper functions.
13602 * dfp.h (decimal_real_arithmetic): Update prototype.
13604 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13606 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13608 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13611 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13614 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13616 * tree-vrp.c (cfg_loops): Removed.
13617 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13618 Use current_loops instead of cfg_loops. Pass flags to
13619 loop_optimizer_init.
13620 * cfgloopmanip.c (fix_loop_structure): Update only available
13622 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13623 loop_optimizer_init.
13624 * modulo-sched.c (build_loops_structure): Removed.
13625 (sms_schedule): Use loop_optimizer_init.
13626 * loop-init.c (loop_optimizer_init): Use flags to determine
13627 which properties of loops to prepare.
13628 (rtl_loop_init): Pass flags to loop_optimizer_init.
13629 * tree-ssa-sink.c (execute_sink_code): Ditto.
13630 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13631 * tree-ssa-pre.c (init_pre): Ditto.
13632 * cfgloop.h (LOOPS_NORMAL): New.
13633 (loop_optimizer_init): Declaration changed.
13635 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13637 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13638 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13640 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13642 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13644 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13645 * pa/t-pa64: Delete quadlib.c rule.
13646 * pa/x-ada: Revert last change.
13647 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13649 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13651 PR rtl-optimization/26087
13652 * rtlanal.c (canonicalize_condition): Do not cross basic block
13655 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13658 * config/ia64/ia64.c: Include debug.h.
13659 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13660 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13661 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13662 (process_epilogue, process_set, process_for_unwind_directive):
13663 Output unwind info only if requested. Add CFA info if requested.
13664 Add new arguments as needed. Adjust callers.
13665 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13667 (DWARF2_FRAME_INFO): Define to zero.
13668 * config/ia64/unwind-ia64.c: Remove code that compensated for
13669 the CFA offset error fixed above.
13670 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13671 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13672 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13673 -funwind-tables and -fexceptions to enable frame info.
13674 (dwarf2out_frame_init): Define initial CFA even if
13675 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13676 DWARF2_UNWIND_INFO is nonzero, not just defined.
13677 (dwarf2out_frame_finish): Output non-EH call frame info only
13678 if DWARF2_FRAME_INFO is nonzero.
13679 (convert_cfa_to_loc_list,
13680 compute_frame_pointer_to_cfa_displacement): Define even if
13681 unwind info is not supported.
13682 (gen_subprogram_die): Use the above unconditionally. Remove
13683 legacy alternate code.
13684 * toplev.c (compile_file): Compile in call to
13685 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13686 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13688 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13689 Jakub Jelinek <jakub@redhat.com>
13691 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13692 IBM extended float format long double as "g" on powerpc*-linux.
13694 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13697 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13698 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13700 2006-02-03 Jason Merrill <jason@redhat.com>
13703 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13705 PR middle-end/25977
13706 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13707 on the return slot if it's an NRV.
13709 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13711 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13712 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13713 rewrite_use): Do not handle USE_OUTER.
13714 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13715 add_iv_outer_candidates, may_replace_final_value,
13716 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13717 (find_interesting_uses_op): Functionality of
13718 find_interesting_uses_outer_or_nonlin moved here.
13719 (find_interesting_uses_outside): Use find_interesting_uses_op.
13721 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13724 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13726 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13727 Ulrich Weigand <uweigand@de.ibm.com>
13730 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13731 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13732 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13733 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13735 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13736 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13737 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13738 Define secondary reloads for TFmode moves.
13739 (constant_modes): Add TFmode.
13740 (NR_C_MODES): Set to 8.
13741 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13743 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13744 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13745 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13746 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13747 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13748 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13749 (FPR mode macro): Add TFmode.
13750 (DSF mode macro): New.
13751 (<de>, <dee> mode attributes): Removed.
13752 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13753 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13754 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13755 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13756 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13757 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13758 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13759 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13760 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13761 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13762 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13763 "*negabs<mode>2", "sqrt<mode>2"):
13764 Changed <de> to <xde>. R constraint replaced by <Rf>.
13765 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13767 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13768 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13769 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13771 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13772 "extenddftf2", "extendsftf2"): New expanders.
13773 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13774 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13775 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13776 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13778 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13779 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13780 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13781 __floatditf): Add a GCC_4.1.0 symbol version tag.
13782 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13785 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13788 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13789 Use targetm.binds_local_p instead of TREE_PUBLIC.
13791 2006-02-02 Roger Sayle <roger@eyesopen.com>
13793 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13794 on INTEGER_TYPEs to indicate that it denotes a character type.
13795 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13796 signed_char_type_node, unsigned_char_type_node and char_type_node.
13797 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13798 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13799 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13801 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13802 Daniel Berlin <dberlin@dberlin.org>
13804 * tree-tailcall.c (arg_needs_copy_p): New function.
13805 (eliminate_tail_call): Use arg_needs_copy_p.
13806 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13807 (add_virtual_phis): New function.
13809 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13811 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13812 #ignore instead of #scratch for %g7 .register directive.
13814 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13816 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13819 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13821 * flow.c (calculate_global_regs_live): Assert that there aren't any
13824 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13826 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13827 what its name says.
13828 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13829 bsi_after_labels iterator.
13830 * tree-if-conv.c (find_phi_replacement_condition,
13831 replace_phi_with_cond_modify_expr): Likewise.
13832 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13833 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13835 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13837 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13839 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13842 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13843 array after growing it.
13845 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13847 PR middle-end/24901
13848 * fold-const.c (fold_checksum_tree): Change type of buf.
13850 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13852 * reload.c (push_secondary_reload): Initialize t_icode.
13854 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13856 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13857 -msoft-float -mlong-double-128 only issue a warning, but don't
13858 swich to DFmode long double.
13860 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13862 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13863 has a constant equivalent, iterate over equivalents for arg0,
13864 calling simplify_relational_operation and if there's a result
13865 cheaper than X, apply fold_rtx and return the result.
13867 2006-02-01 Jan Hubicka <jh@suse.cz>
13869 * opts.c (no_unit_at_a_time_default): New global variable.
13870 (decode_options): Use it.
13871 * opts.h (no_unit_at_a_time_default): Declare.
13873 2006-02-01 Paul Brook <paul@codesourcery.com>
13875 * function.c (assign_parm_setup_reg): Use function argument promotion
13877 * expr.c (expand_expr_real_1): Use function argument promotion rules
13880 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13882 * gcc.c (process_command): Change j to 'unsigned int'.
13884 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13886 PR middle-end/26001
13887 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13888 Use the corrected index for the character
13889 out of the string constant.
13891 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13893 * mode-switching.c (optimize_mode_switching): Fix size
13894 allocated for bb_info[n_entities].
13896 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13898 * gcc.c (main): Correct type that is allocated for
13899 explicit_link_files.
13901 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13903 * config/s390/s390.c (init_alignment_context): Set
13904 ALIAS_SET_MEMORY_BARRIER on the MEM.
13905 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13907 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13909 PR middle-end/25933
13910 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13912 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13915 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13917 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13918 * regrename.c: Ditto.
13919 * tree-ssa-loop-im.c: Ditto.
13920 * tree-dump.c: Ditto.
13921 * tree-complex.c: Ditto.
13922 * genrecog.c: Ditto.
13923 * tree-ssa-threadupdate.c: Ditto.
13925 * java/class.c: Ditto.
13926 * java/jcf-parse.c: Ditto.
13927 * java/resource.c: Ditto.
13928 * java/except.c: Ditto.
13929 * java/jvspec.c: Ditto.
13930 * java/jcf-write.c: Ditto.
13931 * java/jcf-path.c: Ditto.
13932 * java/gjavah.c: Ditto.
13933 * java/zextract.c: Ditto.
13934 * java/jcf-io.c: Ditto.
13935 * java/jcf.h: Ditto.
13936 * java/buffer.c: Ditto.
13937 * java/lang.c: Ditto.
13938 * java/parse-scan.y: Ditto.
13939 * java/lex.c: Ditto.
13940 * java/lex.h: Ditto.
13941 * cfgloopmanip.c: Ditto.
13942 * postreload-gcse.c: Ditto.
13943 * tree-ssa-loop-manip.c: Ditto.
13944 * postreload.c: Ditto.
13945 * tree-ssa-loop-ch.c: Ditto.
13948 * cppspec.c: Ditto.
13949 * diagnostic.c: Ditto.
13951 * genoutput.c: Ditto.
13953 * cfghooks.c: Ditto.
13954 * cfgloopanal.c: Ditto.
13955 * objc/objc-act.c: Ditto.
13957 * genextract.c: Ditto.
13958 * genautomata.c: Ditto.
13959 * pretty-print.c: Ditto.
13960 * genemit.c: Ditto.
13961 * cgraphunit.c: Ditto.
13963 * df-scan.c: Ditto.
13964 * haifa-sched.c: Ditto.
13965 * dominance.c: Ditto.
13967 * tree-ssa-loop-ivopts.c: Ditto.
13968 * df-core.c: Ditto.
13969 * mode-switching.c: Ditto.
13970 * modulo-sched.c: Ditto.
13972 * ipa-pure-const.c: Ditto.
13974 * fix-header.c: Ditto.
13976 * tree-stdarg.c: Ditto.
13977 * ipa-utils.c: Ditto.
13978 * loop-init.c: Ditto.
13979 * ipa-inline.c: Ditto.
13980 * cfganal.c: Ditto.
13982 * alloc-pool.c: Ditto.
13983 * dwarf2out.c: Ditto.
13985 * genattrtab.c: Ditto.
13986 * tree-ssa-loop-ivcanon.c: Ditto.
13987 * predict.c: Ditto.
13988 * timevar.c: Ditto.
13990 * fortran/gfortranspec.c: Ditto.
13991 * regmove.c: Ditto.
13992 * local-alloc.c: Ditto.
13993 * langhooks.c: Ditto.
13994 * function.c: Ditto.
13995 * tree-vectorizer.c: Ditto.
13997 * ipa-type-escape.c: Ditto.
13999 * tree-if-conv.c: Ditto.
14000 * profile.c: Ditto.
14002 * tree-data-ref.c: Ditto.
14003 * loop-unroll.c: Ditto.
14004 * treelang/treetree.c: Ditto.
14006 * bt-load.c: Ditto.
14007 * ggc-common.c: Ditto.
14009 * coverage.c: Ditto.
14011 * tree-cfgcleanup.c: Ditto.
14012 * tree-ssa-pre.c: Ditto.
14013 * cfgcleanup.c: Ditto.
14014 * loop-invariant.c: Ditto.
14015 * loop-iv.c: Ditto.
14016 * ipa-prop.c: Ditto.
14017 * print-tree.c: Ditto.
14018 * conflict.c: Ditto.
14019 * ggc-page.c: Ditto.
14020 * sched-deps.c: Ditto.
14021 * regclass.c: Ditto.
14022 * tree-object-size.c: Ditto.
14023 * combine.c: Ditto.
14024 * bb-reorder.c: Ditto.
14025 * resource.c: Ditto.
14026 * var-tracking.c: Ditto.
14027 * cfgloop.c: Ditto.
14028 * df-problems.c: Ditto.
14029 * reg-stack.c: Ditto.
14031 * gccspec.c: Ditto.
14032 * sched-rgn.c: Ditto.
14033 * tree-ssa-structalias.c: Ditto.
14034 * tree-ssa-reassoc.c: Ditto.
14035 * config/darwin-c.c: Ditto.
14036 * config/darwin.c: Ditto.
14037 * config/arm/arm.c: Ditto.
14039 * collect2.c: Ditto.
14040 * reload1.c: Ditto.
14042 2006-01-31 Nicolas Pitre <nico@cam.org>
14044 * arm.md (smaxsi3): Make aware of smax_m1.
14047 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14049 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14051 2006-01-31 Richard Guenther <rguenther@suse.de>
14053 * doc/invoke.texi (-msselibm): Document.
14054 * target.h (expand_library_builtin): New target hook.
14055 * builtins.c (expand_builtin): Use expand_library_builtin.
14056 (default_expand_library_builtin): New function.
14057 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14058 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14059 (link_gcc_math_spec): Declare.
14060 (static_specs): Add link_gcc_math_spec.
14061 * expr.h (default_expand_library_builtin): Declare.
14062 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14063 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14064 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14065 * config/i386/i386.opt (msselibm): New target option.
14066 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14067 (ix86_init_sse_abi_builtins): New function.
14068 (ix86_expand_library_builtin): Likewise.
14069 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14070 (override_options): Handle error conditions wrt -msselibm.
14071 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14072 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14073 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14076 2006-01-31 Richard Guenther <rguenther@suse.de>
14077 Paolo Bonzini <bonzini@gnu.org>
14079 * doc/install.texi (--disable-libgcc-math): Document.
14081 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14083 * expr.h (expand_normal): new inline function.
14084 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14085 * dojump.c: use it.
14086 * dwarf2out.c: use it.
14089 * expmed.c: use it.
14090 * except.c: use it.
14091 * config/sparc/sparc.c: use it.
14092 * config/i386/i386.c: use it.
14093 * config/rs6000/rs6000.c: use it.
14094 * config/arm/arm.c: use it.
14095 * config/mips/mips.c: use it.
14096 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14098 2006-01-30 Roger Sayle <roger@eyesopen.com>
14100 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14101 argv to the appropriate type.
14103 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14105 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14108 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14111 * config/s390/s390.c (struct machine_function): New flag
14112 decomposed_literal_pool_addresses_ok_p.
14113 (s390_reorg): Set it before final stage of literal pool transforms.
14114 (s390_decompose_address): Only accept displacements of the form
14115 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14117 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14119 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14120 the comparison routine return.
14122 2006-01-30 Michael Matz <matz@suse.de>
14124 * global.c (find_reg): Only evict for global regs.
14125 Take n_refs into account and dump more info.
14127 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14130 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14131 (pragma_trap, pragma_nosave_low_regs): Likewise.
14132 (current_function_anonymous_args): Likewise.
14133 (sh_deferred_function_attributes): New variable.
14134 (sh_deferred_function_attributes_tail): Likewise.
14135 (print_operand): For '@', look up trap_exit attribute.
14136 (calc_live_regs): Look up trapa_handler attribute. For trapa
14137 handlers, save/restore fpscr, but don't do any other
14138 interrupt-specific saves.
14139 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14140 Fix check for partially saved registers to check for SHmedia.
14141 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14142 (sh_output_function_epilogue): Don't clear any of the removed
14144 (sh_insert_attributes): Don't check pragma_interrupt.
14145 Insert deferred attributes. Check that interrupt attribute is
14146 present for other attributes that require its presence.
14147 (sh_attribute_table): Add new attributes trapa_handler and
14149 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14150 Don't check for pragma_interrupt. Don't store argument.
14151 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14152 (sh_deferred_function_attributes): Declare.
14153 (sh_deferred_function_attributes_tail): Likewise.
14154 * sh.md (sp_switch_1): Add operand. Change generator caller.
14155 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14156 (*return_i): Don't use when trap_exit attribute is in effect.
14157 (*return_trapa): New insn pattern.
14158 * sh-c.c: New file.
14159 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14160 setting c_target_objs and cxx_target_objs.
14161 * t-sh: Add rule for sh-c.o.
14163 2006-01-30 Richard Guenther <rguenther@suse.de>
14166 * gimplify.c (gimplify_target_expr): Handle easy cases
14167 without creating a temporary.
14169 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14171 * vec.h (safe_grow): Remove duplicated line.
14173 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14176 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14177 (expand_omp): ... here.
14178 (expand_omp_parallel): Only remove barriers for combined
14179 parallel+workshare constructs.
14181 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14185 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14186 * tree.c (build_qualified_type): Chain the new type to the original
14187 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14188 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14189 (build_pointer_type_for_mode): Only return unqualified types.
14190 (build_reference_type_for_mode): Likewise.
14192 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14194 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14195 * Makefile.in (CXX_COMPAT_WARN): Define.
14196 * configure: Regenerate.
14198 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14201 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14204 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14206 * toplev.c: Fix thinko.
14208 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14209 Marcin Dalecki <martin@dalecki.de>
14211 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14212 (push_srcloc): Use XNEW.
14213 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14215 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14217 * df-core.c (df_set_blocks): Deleted all variable.
14219 2006-01-28 Ian Lance Taylor <ian@airs.com>
14221 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14222 cgraph_output_pending_asms.
14224 2006-01-28 Zack Weinberg <zackw@panix.com>
14226 * c.opt: Add -W(no-)overlength-strings.
14227 * doc/invoke.texi: Document it.
14228 * c-opts.c (c_common_handle_option): -pedantic implies
14229 -Woverlength-strings, if not explicitly disabled already.
14230 (c_common_post_options): -Woverlength-strings defaults to off, and
14231 is always off for C++.
14232 * c-common.c (fix_string_type): Issue warning about strings longer
14233 than is portable only if warn_overlength_strings. Rearrange code
14234 a little for clarity.
14235 * configure.in: Check for -Wno-overlength-strings as well before
14236 enabling -pedantic in stage 1.
14237 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14238 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14240 * genconditions.c (write_header, write_one_condition)
14241 (write_conditions, write_writer): Consolidate very long strings
14242 that were broken up to fit in C89 portable limit. Don't use
14243 printf when fputs will do.
14245 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14247 * combine.c (simplify_comparison <AND>): Check
14248 TRULY_NOOP_TRUNCATION before start using a subreg.
14250 * config/mips/mips.md (*branch_zero<mode>,
14251 *branch_zero<mode>_inverted, *branch_equality<mode>,
14252 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14253 Remove mode check from comparisons.
14255 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14257 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14259 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14261 * expmed.c (const_mult_add_overflow_p): Remove.
14262 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14264 * recog.c (validate_replace_rtx_subexp): Remove.
14265 * recog.h: Remove the prototype for
14266 validate_replace_rtx_subexp.
14268 * integrate.h: Remove the prototype for
14269 copy_decl_for_inlining.
14270 * rtl.h: Remove the prototype for mark_constant_function.
14271 * tree-vectorizer.h: Remove the prototype for
14272 vect_strip_conversion.
14274 * modulo-sched.c (create_partial_schedule,
14275 free_partial_schedule, reset_partial_schedule): Make them
14278 * hooks.c (hook_bool_rtx_int_false): Remove.
14279 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14281 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14283 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14284 and -mlong-double-128 are incompatible.
14285 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14286 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14287 (TARGET_LIBGCC2_CFLAGS): Define.
14288 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14289 (TARGET_LIBGCC2_CFLAGS): Same.
14290 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14292 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14295 * c-typeck.c (build_binary_op): Perform implicit casts of
14296 operands before shortening them.
14298 * cfgloopmanip.c (split_loop_bb): Remove.
14299 * cfgloop.h: Remove the prototype for split_loop_bb.
14301 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14302 * cfgloop.h: Remove the prototype for
14303 flow_loop_outside_edge_p.
14305 * emit-rtl.c (init_virtual_regs): Make it static.
14306 * function.h: Remove the prototype for init_virtual_regs.
14308 * recog.c (peephole2_optimize): Make it static.
14309 * recog.h: Remove the prototype for peephole2_optimize.
14311 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14313 * df-scan.c (df_record_entry_block_defs): Check if
14314 INCOMING_RETURN_ADDR_RTX is defined.
14316 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14317 Kenneth Zadeck <zadeck@naturalbridge.com>
14319 PR rtl-optimization/24762
14320 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14321 * targhooks.c (hook_void_bitmap): New hook prototype.
14322 * targhoohs.h (hook_void_bitmap): Ditto.
14323 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14324 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14325 * target.h (live_on_entry): New function pointer.
14326 * df-scan.c (df_all_hard_regs): Removed.
14327 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14328 (df_scan_free_internal): Added df->entry_block_defs.
14329 (df_scan_alloc): Ditto.
14330 (df_scan_dump): Ditto.
14331 (df_uses_record): Plumbed flag field properly thru calls.
14332 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14333 This part fixes PR24762.
14334 (df_bb_refs_record): Added code to make the frame and arg
14335 pointers live in EH blocks.
14336 (df_refs_record): Added call to df_record_entry_block_defs.
14337 (df_record_entry_block_defs): New function.
14338 * df-core.c: Added comments to describe new artifical defs.
14339 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14340 (entry_block_defs): New field in struct df.
14341 (df_all_hard_regs): Deleted.
14342 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14343 * df-problems.c (df_ru_bb_local_compute_process_def):
14344 Added code to handle artifical defs in the entry to a function.
14345 (df_ru_bb_local_compute): Ditto.
14346 (df_rd_bb_local_compute_process_def): Ditto.
14347 (df_rd_bb_local_compute): Ditto.
14348 (df_lr_bb_local_compute): Ditto.
14349 (df_ur_bb_local_compute): Ditto.
14350 (df_urec_bb_local_compute): Ditto.
14351 (df_chain_create_bb): Ditto.
14352 (df_ur_local_finalize): Removed entry.
14353 (df_urec_init): Ditto.
14354 (df_urec_local_finalize): Ditto.
14355 (df_ri_bb_compute): Added detection of last use of pseudos.
14356 * Makefile.in (df-scan.o): Updated dependencies.
14357 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14358 * config/mips/mips.c (mips_set_live_on_entry): Added.
14359 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14361 * dce.c (marked_insn_p): Added code to handle artifical defs.
14363 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14365 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14367 (_mm_cvtsi128_si64): Likewise.
14368 (_mm_cvtsd_si64): Likewise.
14369 (_mm_cvttsd_si64): Likewise.
14370 (_mm_cvtsi64_sd): Likewise.
14371 (_mm_cvtsi64_si128): Likewise.
14372 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14373 (_mm_cvtsi64_m64): Likewise.
14374 (_m_to_int64): Likewise.
14375 (_mm_cvtm64_si64): Likewise.
14376 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14377 (_mm_cvttss_si64): Likewise.
14378 (_mm_cvtsi64_ss): Likewise.
14379 (_mm_cvtss_f32): Likewise.
14381 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14383 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14384 for pragma redefine_extname.
14386 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14389 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14390 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14391 -mno-minimal-toc to previous content.
14392 (bispecs): Remove goal.
14393 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14394 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14395 compatibility aliases on powerpc-*-*gnu*.
14396 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14397 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14398 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14399 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14400 (ldblspecs): New goal.
14401 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14402 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14404 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14405 L_sf_to_tf or L_df_to_tf is defined.
14407 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14408 Alan Modra <amodra@bigpond.net.au>
14411 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14412 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14413 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14414 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14415 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14416 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14417 (rs6000_override_options): Initialize rs6000_ieeequad.
14418 Initialize TFmode format to ibm_extended_format if not
14420 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14422 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14423 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14424 (function_arg_advance): IBM long double passed in two FPRs, not
14426 (function_arg): IBM long double passed in FPRs.
14427 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14428 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14429 Only multireg GPR aligned.
14430 (rs6000_init_libfuncs): Enable IBM long double functions if not
14432 (rs6000_generate_compare): Use IBM long double compare if not
14434 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14435 (TARGET_IEEEQUAD): Define.
14436 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14437 not TARGET_IEEEQUAD.
14438 * config/rs6000/rs6000.md: Enable TFmode patterns if
14440 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14441 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14442 and -mlong-double-128 are incompatible.
14443 * doc/invoke.texi (-mabi): Collect options together. Add
14444 ibmlongdouble and ieeelongdouble.
14446 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14448 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14450 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14451 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14452 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14453 * rtl.h (rtunion_def): Remove rt_ptr.
14455 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14456 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14457 * config/i386/winnt.c (i386_pe_mark_dllexport)
14458 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14460 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14462 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14464 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14468 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14469 pthread_key_delete. From John David Anglin. gthrw-ify
14470 pthread_getunique_np only if it it's not a macro. Delete
14472 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14473 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14474 __gthread_objc_condition_signal, __gthread_key_delete): Add
14475 "__attribute__ ((__unused__))" to unused arguments.
14476 (__gthread_recursive_mutex_init_function): Add missing return.
14477 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14478 gthr-posix95.h: Use macro-based approach for name redirection
14479 on targets missing weakref.
14481 2006-01-26 Zack Weinberg <zackw@panix.com>
14483 * genconditions.c (write_header): In generated code, #ifdef out
14484 all includes and fake declarations, except includes of bconfig.h
14485 and system.h, unless GCC_VERSION >= 3001. Do not include
14486 gensupport.h in any case.
14487 (write_conditions): Generate a definition of struct c_test. Add
14488 a comment to the generated #endif.
14489 (write_one_condition): Escape backslashes in string too.
14490 (write_writer): Generated code must escape backslashes and quote
14491 marks (but not newlines) in the strings it writes.
14492 * Makefile.in (build/gencondmd.o): Update dependencies.
14494 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14497 * Makefile.in (insn-automata.o): Add header file dependencies.
14498 * genautomata.c: Add includes.
14500 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14503 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14505 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14507 * configure.ac: Expect target tools paths to be passed from the toplevel
14508 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14510 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14512 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14515 * c.opt (Wpointer-sign): Init to -1.
14516 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14517 OPT_pedantic, to 0 otherwise.
14518 * doc/invoke.texi: Update.
14520 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14522 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14523 constants provided by 80387 instructions in the destination mode.
14525 2006-01-26 Richard Guenther <rguenther@suse.de>
14526 Andrew Pinski <pinskia@physics.uc.edu>
14529 partial PR tree-opt/17064
14530 * tree-ssa-structalias.c (intra_create_variable_infos):
14531 Create heap variables for incoming parameters if
14532 flag_argument_noalias > 1.
14533 (find_what_p_points_to): Look through default defs of
14536 2006-01-26 Jeff Law <law@redhat.com>
14539 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14540 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14541 within the VR_RANGE, use the VR_RANGE as the result, not the
14543 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14544 bounds for the type.
14546 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14548 * tree-ssa-alias.c (maybe_create_global_var): Change
14549 subvar walking to an assertion that we don't have subvar'd variables.
14551 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14554 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14555 Use a new variable, inner. PARM_DECLs are always non-weak.
14557 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14559 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14560 --disable-checking.
14562 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14564 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14566 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14568 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14569 (smax_insn, smin_insn, smax_0, smin_0): New.
14571 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14574 * config/cris/cris.c (cris_order_for_addsi3): New function.
14575 * config/cris/cris-protos.h: Prototype it.
14576 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14577 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14578 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14579 (split for "op.S1 [rx=rx+i],ry (swapped)")
14580 (split for "op(s|u).S1 [rx=rx+i],ry")
14581 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14582 Apply cris_order_for_addsi3 when generating addsi3 insns.
14584 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14586 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14587 (TREE_BLOCK): Add call to EXPR_CHECK.
14589 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14592 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14593 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14594 (dump_omp_clauses): ... here.
14595 (dump_generic_node): Handle OMP_CLAUSE.
14596 * tree.c (omp_clause_num_ops): New.
14597 (omp_clause_code_name): New.
14598 (tree_code_size): Handle OMP_CLAUSE.
14599 (tree_size): Likewise.
14600 (make_node): Document handling of OMP_CLAUSE.
14601 (tree_node_structure): Handle OMP_CLAUSE.
14602 (omp_clause_check_failed): New.
14603 (omp_clause_range_check_failed): New.
14604 (omp_clause_operand_check_failed): New.
14605 (build_omp_clause): New.
14606 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14607 * tree.h (enum omp_clause_code): Declare.
14608 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14609 (OMP_CLAUSE_RANGE_CHECK): Define.
14610 (OMP_CLAUSE_ELT_CHECK): Define.
14611 (omp_clause_check_failed): Declare.
14612 (omp_clause_operand_check_failed): Declare.
14613 (omp_clause_range_check_failed): Declare.
14614 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14615 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14616 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14617 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14618 (OMP_CLAUSE_IF_EXPR): Likewise.
14619 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14620 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14621 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14622 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14623 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14624 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14625 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14626 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14627 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14628 (OMP_CLAUSE_CODE): Define.
14629 (OMP_CLAUSE_SET_CODE): Define.
14630 (OMP_CLAUSE_CODE): Define.
14631 (OMP_CLAUSE_OPERAND): Define.
14632 (struct tree_omp_clause): Declare.
14633 (union tree_node): Add field 'omp_clause'.
14634 * treestruct.def (TS_OMP_CLAUSE): Define.
14635 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14636 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14637 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14638 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14639 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14640 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14641 (OMP_CLAUSE): Define.
14642 * print-tree.c (print_node): Handle OMP_CLAUSE.
14643 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14644 * c-typeck.c: Likewise.
14645 * gimplify.c: Likewise.
14646 * c-omp.c: Likewise.
14647 * tree-nested.c: Likewise.
14648 * tree-inline.c: Likewise.
14649 * c-parser.c: Likewise.
14650 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14653 2006-01-25 Roger Sayle <roger@eyesopen.com>
14655 PR rtl-optimization/25703
14656 * combine.c (try_combine): Handle zero_extract and strict_low_part
14657 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14659 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14661 * global.c: Fix comment typos.
14663 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14666 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14667 Use output_addr_const instead of assemble_name.
14669 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14671 * Makefile.in (sched-vis.o): Update dependencies.
14672 * haifa-sched.c (sched_finish): Clear current_sched_info.
14673 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14674 (dump_flow_info): Call it.
14675 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14677 * basic-block.h (dump_bb_info): Declare.
14678 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14679 option, and apply options only for dump files whose TDF_RTL,
14680 TDF_TREE, or TDF_IPA bits match.
14681 * rtl.h: Declare new functions exported from sched-vis.c.
14682 * sched-vis.c: Enable also if scheduling is not used.
14683 (print_value): Print the mode of registers if not inside scheduling.
14684 (print_insn): Make it work outside the scheduler. Beautify the output
14686 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14688 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14690 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14691 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14692 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14693 depending on the value of CONSTANT_POOL_ADDRESS_P.
14694 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14696 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14697 rather than SYMBOL_REF_DECL.
14698 (rtx_constant_pool): Remove const_rtx_sym_htab.
14699 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14700 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14701 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14702 Remove handling of const_rtx_sym_htab.
14703 (find_pool_constant): Delete.
14704 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14705 rather than find_pool_constant.
14706 (get_pool_constant_for_function): Delete.
14707 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14708 find_pool_constant.
14709 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14710 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14711 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14712 (SYMBOL_REF_CONSTANT): New macro.
14713 (get_pool_constant_for_function): Delete.
14714 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14715 rather than SYMBOL_REF_DECL.
14716 (i386_pe_mark_dllimport): Likewise.
14717 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14718 rather than SYMBOL_REF_DECL.
14719 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14720 (machopic_indirect_call_target): Likewise.
14722 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14724 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14726 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14728 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14730 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14732 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14734 2006-01-24 David Daney <ddaney@avtrex.com>
14737 * configure.ac (enable_tls): New enable option.
14738 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14739 * configure: Regenerate.
14740 * doc/install.texi (--enable-tls): Document new option.
14741 (--disable-tls): Ditto.
14743 2006-01-24 Richard Henderson <rth@redehat.com>
14745 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14746 * alias.c (true_dependence): Respect it.
14747 (canon_true_dependence, write_dependence_p): Likewise.
14748 * builtins.c (get_builtin_sync_mem): Set it.
14750 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14752 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14755 2006-01-24 DJ Delorie <dj@redhat.com>
14757 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14758 for storing constants in single-bit bitfields.
14760 2006-01-25 Ben Elliston <bje@au.ibm.com>
14762 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14764 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14767 * tree-ssa-pre.c (phi_translate): Return NULL
14768 for AGGREGATE_TYPE's.
14770 2006-01-24 Zack Weinberg <zackw@panix.com>
14772 * genautomata.c (process_state_for_insn_equiv_partition):
14773 Use xcalloc for insn_arcs_array.
14774 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14775 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14777 2006-01-24 Richard Henderson <rth@redhat.com>
14779 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14780 update all callers.
14782 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14784 PR rtl-optimization/25890
14785 PR rtl-optimization/25905
14786 * combine.c (expand_compound_operation, expand_field_assignment):
14787 Fail if the bitfield's final position is out of bounds.
14789 2006-01-24 Ian Lance Taylor <ian@airs.com>
14791 PR middle-end/25930
14792 * cgraphunit.c (cgraph_output_in_order): Don't clear
14793 cgraph_asm_nodes until after asm strings have been output.
14795 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14797 * fix-header.c (read_scan_file): Add new parameter imultilib when
14798 calling register_include_chains.
14800 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14802 * omp-low.c: Update documentation.
14804 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14805 Daniel Berlin <dberlin@dberlin.org>
14809 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14810 return from the function.
14812 2006-01-22 Zack Weinberg <zackw@panix.com>
14814 * rtl.def (match_code): Add second argument.
14815 * genpreds.c (write_extract_subexp): New function.
14816 (write_match_code): Add path argument. Use write_extract_subexp.
14817 (write_predicate_expr): Pass path to write_match_code.
14818 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14819 not perform a mode test.
14820 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14821 a subexpression does not constrain the top-level code set.
14822 * read-rtl.c (read_rtx_variadic): New function.
14823 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14824 * doc/md.texi: Document new notation.
14825 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14826 (cmpsi_operand): ... here, using new notation.
14828 2006-01-22 Zack Weinberg <zackw@panix.com>
14830 * varray.c: Remove GENERATOR_FILE #ifdefs.
14832 2006-01-22 Zack Weinberg <zackw@panix.com>
14834 * genautomata.c (output_reserved_units_table): Emit nothing if
14835 description->query_units_num is zero. Remove extra blank line.
14836 (output_cpu_unit_reservation_p): Short circuit
14837 if description->query_units_num is zero.
14839 2006-01-22 Zack Weinberg <zackw@panix.com>
14841 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14842 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14843 nor any of the random handful of variables that used to be necessary
14844 when this program was linked with rtlanal.o. Prune set of forward
14845 function declarations.
14846 (struct attr_desc): Remove static_p field.
14847 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14848 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14849 (attr_string): Do not read the character one past the length of
14851 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14852 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14853 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14854 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14855 (make_automaton_attrs): New.
14856 (main): Do not call into genautomata. Call local gen_bypass
14857 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14858 Remove special case for insn_alts.
14859 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14860 varray.h (leftover from previous change). Prune set of forward
14861 function declarations. Remove state_alts fields from all
14862 structures. Remove state_alts_table from struct automaton.
14863 Make everything except main static. Do not maintain num_dfa_decls.
14864 Do not maintain state_alts fields of various structures.
14865 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14866 (add_arc): Remove state_alts argument. All callers updated.
14867 (output_reserved_units_table): Emit #ifdef here...
14868 (output_tables): ...not here. Don't generate state_alts tables.
14869 (expand_automata): Don't generate attributes.
14870 (write_automata): Don't generate state_alts functions.
14871 (main): New function.
14872 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14873 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14874 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14875 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14876 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14877 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14878 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14879 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14881 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14882 * genattrtab.h: Delete file.
14883 * Makefile.in (OBJS-common): Add insn-automata.o.
14884 (insn-automata.o): New rule.
14885 (simple_generated_c): Add insn-automata.c.
14886 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14887 (genprogmd): Add automata.
14888 (build/genattrtab): Needs no extra objects nor libraries.
14889 (build/genautomata): Needs build/vec.o and -lm.
14891 2006-01-22 Zack Weinberg <zackw@panix.com>
14893 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14894 (output_dfa_max_issue_rate, locked_states_num): Delete.
14895 (struct automaton): Add locked_states field.
14896 (output_dead_lock_vect): Save number of locked states in
14897 automaton->locked_states. If it is zero, don't print anything.
14898 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14899 (output_internal_dead_lock_func): Only test the dead_lock_vect
14900 for automata that have locked states.
14901 (output_statistics): Always print the number of locked states for
14902 each automaton. Calculate total number of locked states here.
14903 (write_automata): Don't call output_dfa_max_issue_rate.
14904 * genattrtab.c: Define length_unit_log as a const variable.
14905 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14906 max_insn_queue_index const.
14907 * final.c (length_unit_log): Declare const.
14908 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14910 2006-01-22 Zack Weinberg <zackw@panix.com>
14912 * genautomata.c: Include vec.h, not varray.h.
14913 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14914 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14915 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14916 VEC_* macros operating on appropriately typed vectors, or to
14917 malloced arrays when the size is known in advance. Const-ify
14918 many char* variables and function arguments. No functional changes.
14919 * Makefile.in (build/varray.o): Delete rule.
14920 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14921 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14923 2006-01-22 Zack Weinberg <zackw@panix.com>
14925 * gensupport.c: Define get_insn_name and record_insn_name here.
14926 (read_md_rtx): Call record_insn_name as appropriate.
14927 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14928 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14929 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14931 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14932 (BUILD_VARRAY): Delete.
14933 (genprognormal): Rename genprogmd. Fold in all programs from
14934 genprognoprint; also attrtab.
14935 (build/genattrtab): Just mention genautomata.o and varray.o.
14936 Reorganize a bit, add comments to make the categories clearer.
14938 2006-01-22 Zack Weinberg <zackw@panix.com>
14940 * genconditions.c (condition_table, add_condition): Delete.
14941 (write_conditions): Don't emit n_insn_conditions nor
14942 insn_elision_unavailable. Issue the gcc version #ifdef here,
14943 inside the table, with no #else clause ...
14944 (write_header): ...not here.
14945 (write_writer): New function.
14946 (main): Don't initialize condition_table. Use add_c_test.
14948 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14949 files on the command line.
14950 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14951 Return -1 if there is no entry in the table, don't abort.
14952 (add_c_test, traverse_c_tests): New functions.
14953 * gensupport.h (insn_elision_unavailable, insn_conditions)
14954 (n_insn_conditions): Delete declarations.
14955 (add_c_test, traverse_c_tests): Declare.
14956 * read-rtl.c: Include gensupport.h.
14957 (read_conditions): New function.
14958 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14959 (read_rtx_1): If we get EOF when we were looking for an initial
14960 open paren, return 0. Call read_conditions when appropriate.
14961 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14962 dummy-conditions.o. Eliminate references to insn-conditions.o,
14963 or change them to build/gencondmd.o, as appropriate. Remove
14964 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14965 from $(simple_generated_c). For all files remaining in those
14966 two lists, add insn-conditions.md to the generator command line.
14967 Give insn-constants.h/s-constants their own rules. Add rules
14968 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14969 (build/read-rtl.o): Depend on gensupport.h.
14970 (genprognormal): Include preds.
14971 (genprogearly): Rename genprognoprint; only difference is now that
14972 they don't link with $(BUILD_PRINT).
14973 * dummy-conditions.c: Delete.
14975 2006-01-22 Zack Weinberg <zackw@panix.com>
14977 * genextract.c: Don't include insn-config.h. Do include vec.h.
14978 Declare vectors of int, char, and locstr.
14979 (locstr): New typedef.
14980 (struct extraction): Make all array fields into bare pointers.
14981 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14982 (insn_code_number): Delete.
14983 (accum_extract): New struct.
14984 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14985 (gen_insn): Take insn_code_number as an argument. Use an
14986 accum_extract structure instead of loading data directly into
14987 a struct extraction, and having to know how big it might get.
14988 (walk_rtx): Operate entirely on an accum_extract structure.
14989 (print_path): Avoid unnecessary use of printf.
14990 (print_header): New function, split out of main. Distinguish
14991 more carefully between an unrecognizable insn and an insn that
14992 has the code number of a define_expand.
14993 (main): Pass insn_code_number to gen_insn. Call print_header
14994 only after parsing. Avoid unnecessary use of printf.
14995 * Makefile.in (build/vec.o): New rule.
14996 (build/genextract): Depend on build/vec.o.
14997 (build/genextract.o): Don't depend on insn-config.h.
14999 2006-01-22 Zack Weinberg <zackw@panix.com>
15001 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15002 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15003 practical. Eliminate per-generator-program link rules.
15005 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15007 PR middle-end/24437
15008 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15009 with a call expr to ...
15010 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15012 2006-01-23 Richard Guenther <rguenther@suse.de>
15014 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15015 before make_edge with conditional EDGE_TRUE_VALUE.
15017 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15018 Jan Hubicka <jh@suse.cz>
15019 Richard Guenther <rguenther@suse.de>
15021 PR rtl-optimization/25654
15022 * cfgexpand.c (aggregate_contains_union_type): New function.
15023 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15024 for structure variables that contain a union type.
15026 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15028 * gengtype.c (new_structure): Return the structure.
15029 (create_option): Add an extra "next" argument.
15030 (create_field): New function.
15031 (adjust_field_rtx_def): Use create_option and create_field.
15032 Remove a now-unnecessary call to find_structure.
15033 (adjust_field_tree_def): Likewise.
15034 (note_yacc_type): Remove an unnecessary call to find_structure.
15035 * gengtype.h (new_structure): Return the structure.
15036 (create_option): Add an extra argument.
15037 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15038 (option): Adjust calls to create_option.
15040 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15042 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15044 2006-01-22 Paul Brook <paul@codesourcery.com>
15045 Peter Barada <peter@the-baradas.com>
15047 * config/m68k/m68k.md: Add Coldfire FPU support.
15048 Define FP mode macro and associated attributes.
15049 Use it for float mode patterns.
15050 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15051 (LIBCALL_VALUE): Use m68k_libcall_value.
15052 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15053 (m68k_function_value): Ditto.
15054 (emit_move_sequence): Ditto.
15055 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15056 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15057 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15058 (MULTILIB_EXCEPTIONS): Ditto.
15059 * config/m68k/m68k.opt: Add mcfv4e.
15060 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15061 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15062 (m68k_output_function_prologue): Save ColdFire FPU registers.
15063 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15064 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15065 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15066 ColdFire FPU registers.
15067 (m68k_libcall_value, m68k_function_value): New functions.
15068 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15069 (LIBCALL_VALUE): Use m68k_libcall_value.
15070 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15071 (MASK_COLDFIRE): Add MASK_CFV4E.
15072 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15073 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15074 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15075 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15076 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15077 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15078 * doc/invoke.tex: Document -mcfv4e on m68k.
15080 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15082 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15085 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15088 * c-opts.c (c_common_handle_option): Don't include
15089 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15090 * doc/invoke.texi (C++ Dialect Options): Document that
15091 -Wnon-virtual-dtor is no longer included in -Wall.
15093 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15095 * gcov.c (print_version), gcov-dump.c (print_version),
15096 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15099 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15101 * df-scan.c (problem_SCAN): Added NULL reset function.
15102 (df_scan_reset_blocks): Added code to call reset block function
15103 (df_bb_refs_delete) Fixed comment.
15104 (df_insn_refs_delete): Made tolerant of deleting non existent info
15105 for dataflow problems that need to be reset.
15106 * df-core.c (df_set_blocks): Ditto.
15107 * df.h (struct df_problem): Added reset_fun.
15108 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15109 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15110 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15111 functions to clear out all references to def-use or use-def chains.
15113 2006-01-21 Ben Elliston <bje@au.ibm.com>
15115 * varasm.c (assemble_real): Initialise data array.
15117 2006-01-20 Paul Brook <paul@codesourcery.com>
15119 Merge from csl-arm-branch.
15120 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15121 * config/arm/arm.md (movdi): Force operands[1] to a register
15122 if we have a non-register source.
15123 (*arm_movdi, *movdf_soft_insn): Require that one of the
15124 operands be a register.
15125 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15126 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15128 2006-01-20 DJ Delorie <dj@redhat.com>
15130 * varasm.c (initializer_constant_valid_p): Allow pointers
15131 initialized from integer constants of lesser precision.
15132 (output_constant): Allow non-int-sized pointer modes to be
15133 initialized from integer constants.
15135 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15138 * cppdefault.h (struct default_include): Add multilib flag.
15139 * cppdefault.c (cpp_include_defaults): Set it.
15140 * c.opt (-imultilib): New option.
15141 * c-opts.c (imultilib): New.
15142 (c_common_handle_option): Handle -imultilib.
15143 (c_common_post_options): Likewise.
15144 * c-incpath.c (add_standard_paths, register_include_chains):
15146 * c-incpath.h (register_include_chains): Add extra parameter.
15147 * gcc.c (do_spec_1): Generate -imultilib option.
15148 (The Specs Language): Update %I description.
15149 (process_command): Update copyright notice.
15150 * doc/cppopts.texi (-imultilib): Document.
15151 * doc/invoke.texi (-imultilib): Include in option summary.
15152 (%I): Update specs documentation.
15154 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15156 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15158 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15160 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15163 2006-01-20 Richard Guenther <rguenther@suse.de>
15164 Steven Bosscher <stevenb.gcc@gmail.com>
15166 PR rtl-optimization/24626
15167 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15168 EDGE_TRUE_VALUE if in RTL mode.
15171 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15172 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15174 2006-01-20 Dirk Mueller <dmueller@suse.com>
15177 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15178 instead of a special NOP marker.
15179 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15180 NOP marker handling.
15181 * c-common.h (empty_body_warning): Add forward declaration.
15182 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15183 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15185 2006-01-20 Paul Brook <paul@codesourcery.com>
15187 * Makefile.in (lang_checks): Keep going if mkdir fails.
15189 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15191 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15192 be able to clean out basic block when not necessary.
15193 (df_scan_free): Fixed to properly delete information if df is
15194 unused before calling df_finish.
15195 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15196 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15198 (df_bb_refs_delete): New function.
15199 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15200 * df-core.c (df_set_blocks): Added code to properly clean out
15201 unused blocks if they are not part of the blocks to consider.
15202 Added additional null check.
15203 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15204 be able to clean out basic block when not necessary
15205 * df.h (df_free_bb_function): Ditto.
15206 (df_bb_refs_delete): New function.
15207 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15208 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15209 basic block parameter to be able to clean out basic block when not
15211 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15212 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15213 Fixed to properly delete information if df is unused before
15216 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15218 PR rtl-optimization/25799
15219 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15220 Corrected confluence operator to remove bits from op2 before oring
15221 with op1 rather than removing bits from op1.
15222 (df_ru_transfer_function): Corrected test on wrong bitmap which
15223 caused infinite loop. Both of these problems were introduced in
15224 the dataflow rewrite.
15226 2006-01-19 DJ Delorie <dj@redhat.com>
15228 * reload1.c (find_reload_regs): Note the details of reload
15229 failures in the dump file.
15230 (spill_failure): Likewise.
15232 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15234 * loop-iv.c: Include df.h and hashtab.h.
15235 (enum iv_grd_result): New enum.
15236 (DF_REF_IV, DF_REF_IV_SET): New macros.
15237 (struct biv_entry): New.
15238 (df, bivs): New global variables.
15239 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15240 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15242 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15243 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15244 analyzed_for_bivness_p, record_biv): New functions.
15245 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15246 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15247 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15249 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15251 (iv_number_of_iterations): Use new interface to iv analysis.
15252 * loop-unroll.c: Do not include varray.h.
15253 (analyze_iv_to_split_insn): Use new interface to iv
15255 * loop-unswitch.c (may_unswitch_on): Ditto.
15256 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15258 (df_bb_modify): Realloc tables to the new index.
15259 (df_find_use): New function.
15260 * df.h (df_find_use): Declare.
15261 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15263 * cfgloop.h (struct rtx_iv): Remove analysed field.
15264 (iv_get_reaching_def): Removed.
15265 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15266 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15267 (loop-iv.o): Add df.h and hashtab.h dependency.
15268 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15270 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15273 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15275 (__floatundisf, __floatundidf): Likewise.
15276 * libgcc2.h (IS_IBM_EXTENDED): Define.
15278 2006-01-19 DJ Delorie <dj@redhat.com>
15280 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15282 2006-01-19 Paul Brook <paul@codesourcery.com>
15284 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15285 as nothrow when unwinding tables are disabled.
15287 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15290 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15291 of bit-field" when in system header.
15293 2006-01-19 DJ Delorie <dj@redhat.com>
15295 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15296 the 16 bit shift limit of the m16c.
15298 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15301 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15302 * config/i386/i386.c (output_set_got): Output the label if we have one
15303 for the TARGET_DEEP_BRANCH_PREDICTION case.
15305 2006-01-19 Jan Hubicka <jh@suse.cz>
15306 H.J. Lu <hongjiu.lu@intel.com>
15307 Evandro Menezes <evandro.menezes@amd.com>
15309 * invoke.texi (generic): Document
15311 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15312 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15313 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15314 (x86_use_incdec, x86_pad_returns): New variables
15315 (TARGET_CPU_DEFAULT_generic): New constant
15316 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15317 (enum processor_type): Add generic32 and generic64.
15318 * i386.md (cpu attribute): Add generic32/generic64
15319 (movhi splitter): Behave sanely when both partial_reg_dependency and
15320 partial_reg_stall are set.
15321 (K8 splitters): Enable for generic as well.
15322 * predicates.md (incdec_operand): Use TARGET_INCDEC
15323 (aligned_operand): Avoid memory mismatch stalls.
15324 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15325 * ppro.md: Enable for generic32
15326 * i386.c (generic64_cost, generic32_cost): New.
15327 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15328 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15329 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15330 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15331 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15332 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15333 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15334 x86_accumulate_outgoing_args, x86_prologue_using_move,
15335 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15336 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15337 Enable for generic.
15338 (x86_use_incdec, x86_pad_returns): New.
15339 (override_options): Add generic32 and generic64, translate "generic"
15340 to generic32/generic64 and "i686" to "generic32", refuse
15341 "generic32"/"generic64" as arch target.
15342 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15343 (ix86_reorg): Honor PAD_RETURNS.
15345 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15347 * tree-pretty-print.c (dump_generic_node): Handle
15348 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15349 * cgraph.c (cgraph_expand_queue): Rename from
15350 cgraph_analyze_queue. Update all users.
15351 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15352 cgraph_expand_queue.
15353 (cgraph_expand_all_functions): Likewise.
15354 (cgraph_finalize_pending_functions): Remove. Update callers.
15356 * tree.h (OMP_DIRECTIVE_P): Define.
15357 (OMP_PARALLEL_FN): Define.
15358 (OMP_PARALLEL_DATA_ARG): Define.
15359 (OMP_SECTIONS_SECTIONS): Define.
15360 * tree-pass.h (pass_expand_omp): Declare.
15361 * omp-low.c (struct omp_region): Declare.
15362 (struct omp_context): Remove fields 'parallel_type',
15363 'parallel_start_ix' and 'parallel_start_additional_args'.
15365 (struct omp_for_data): Rename from struct expand_omp_for_data.
15366 (omp_regions): New static variable.
15367 (root_omp_region): New static variable.
15368 (find_omp_clause): Make static.
15369 (is_in_combined_parallel_ctx): Remove.
15370 (is_combined_parallel): New.
15371 (extract_omp_for_data): Move earlier in the file.
15372 (workshare_safe_to_combine_p): New.
15373 (get_ws_args_for): New.
15374 (determine_parallel_type): Move earlier in the file.
15375 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15377 (omp_copy_decl): Likewise.
15378 (create_omp_child_function): Likewise.
15379 (lookup_omp_region): New.
15380 (dump_omp_region): New.
15381 (debug_omp_region): New.
15382 (debug_all_omp_regions): New.
15383 (new_omp_region): New.
15384 (scan_omp_parallel): If parallel_nesting_level > 1, the
15385 directive is nested within another parallel directive.
15386 Set OMP_PARALLEL_FN.
15387 (scan_omp_for): Do not try to handle combined parallel+for
15389 Remove FIXME comment.
15390 (scan_omp_nested): Remove.
15391 (scan_omp_1): Do not call scan_omp_nested when
15392 parallel_nesting_level is > 1.
15393 Do not change the DECL_CONTEXT of local variables found.
15394 (lookup_decl_in_outer_ctx): New.
15395 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15396 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15397 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15398 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15399 If CTX is nested, lookup VAR in the outer context when
15400 building copy assignment.
15401 (lower_send_clauses): Rename from expand_send_clauses.
15402 If CTX is nested, lookup VAR in the outer context when
15403 building copy assignments.
15404 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15405 If CTX is nested, lookup VAR in the outer context when
15406 building copy assignments.
15407 (expand_parallel_call): Rename from build_parallel_call.
15408 Handle combined parallel+workshare cases.
15409 Re-implement to emit code into the CFG.
15411 (expand_omp_parallel): Re-implement to emit code into the CFG.
15412 Call move_sese_region_to_fn to outline the sub-graph
15413 containing the parallel region.
15414 (expand_omp_for_1): Remove.
15415 (expand_omp_for_generic): Re-implement to emit code into the
15417 (expand_omp_for_static_nochunk): Likewise.
15418 (expand_omp_for_static_chunk): Likewise.
15419 (expand_omp_for): Likewise.
15420 (expand_omp_sections): Likewise.
15421 (remove_exit_barriers): New.
15422 (expand_omp_synch): New.
15424 (build_omp_regions_1): New.
15425 (build_omp_regions): New.
15426 (execute_expand_omp): New.
15427 (gate_expand_omp): New.
15428 (pass_expand_omp): Define.
15429 (lower_omp_sections): Rename from expand_omp_sections.
15430 Set OMP_SECTIONS_SECTIONS.
15431 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15432 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15433 (lower_omp_single): Rename from expand_omp_simple.
15434 (lower_omp_master): Rename from expand_omp_master.
15435 (lower_omp_ordered): Rename from expand_omp_ordered.
15436 (lower_omp_critical): Rename from expand_omp_critical.
15437 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15438 (lower_omp_for): Re-implement.
15439 (lower_omp_parallel): Re-implement.
15440 (lower_regimplify): Rename from expand_regimplify.
15441 (lower_omp_1): Rename from expand_omp_1.
15442 If there are syntax errors in the program, replace every
15443 OpenMP directive with NOP.
15444 Call lower_omp_* instead of expand_omp_*.
15445 (lower_omp): Rename from expand_omp.
15447 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15448 * tree-gimple.h (enum omp_parallel_type): Remove.
15449 (gimple_boolify): Declare extern.
15450 (find_omp_clause, determine_parallel_type): Remove.
15452 * gimple-low.c (lower_omp_directive): New.
15453 (lower_stmt): Call it.
15454 (record_vars_into): Move from ...
15455 (record_vars): ... here.
15456 Call record_vars_into with current_function_decl.
15458 * gimplify.c (struct gimplify_ctx): Remove fields
15459 combined_pre_p and combined_ctxp. Update users.
15460 (get_formal_tmp_var): Add documentation.
15461 (gimple_boolify): Make extern.
15462 (gimplify_expr_in_ctx): Remove. Update callers.
15463 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15464 will always be a BIND_EXPR.
15465 (gimplify_expr): Handle OMP_RETURN_EXPR.
15466 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15467 (OMP_PARALLEL): Add 3 operands.
15468 (OMP_SECTIONS): Add 1 operand.
15469 (OMP_RETURN_EXPR): Define.
15471 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15472 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15473 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15474 creating a circular free list.
15475 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15477 * tree-flow.h (move_sese_region_to_fn): Declare.
15478 (record_vars_into): Declare.
15479 * tree-cfg.c (make_omp_sections_edges): New.
15480 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15481 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15482 OMP_SECTIONS and OMP_SECTION.
15483 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15484 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15485 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15486 (gather_blocks_in_sese_region): New.
15487 (struct move_stmt_d): Declare.
15488 (move_stmt_r): New.
15489 (move_block_to_fn): New.
15490 (move_sese_region_to_fn): New.
15492 * passes.c (init_optimization_passes): Schedule
15493 pass_expand_omp after pass_init_datastructures.
15495 * tree-ssa-operands.c (get_expr_operands): Handle
15496 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15497 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15499 2006-01-19 Jeff Law <law@redhat.com>
15501 * tree-vrp.c (extract_range_from_assert): Refine the result range
15502 if the variable referenced by the ASSERT_EXPR has a range and
15503 either the tentative result range or the previous range is a
15506 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15508 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15510 2006-01-19 Jan Hubicka <jh@suse.cz>
15512 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15514 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15516 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15517 (expand_compound_operation, expand_field_assignment): Fail if the
15518 bit lengths of an extract operation are out of range.
15519 (make_extraction): Compute wanted_inner_mode based on the position
15520 and length of the extraction. Make it extraction_mode for non-constant
15521 positions, and do not modify offset in that case. When generating a
15522 new MEM, use a mode that can hold the extraction while keeping correct
15523 alignment. Remove code that supported MEMs wrapped by USEs.
15524 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15526 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15528 * config/s390/s390.md ("Y", "y"): New mode attribute.
15529 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15530 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15531 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15532 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15533 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15534 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15535 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15536 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15537 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15538 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15539 "addsi3", "subsi3"): Insn patterns removed.
15540 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15541 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15542 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15543 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15544 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15545 "*sub<mode>3_cconly2"): New insn patterns.
15546 ("addsi3", "subsi3"): New expanders.
15548 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15550 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15551 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15552 existing STMT_VINFO_VECTYPE if available.
15553 (vect_mark_relevant): Add special handling for stmts that are
15554 marked as STMT_VINFO_IN_PATTERN_P.
15555 (vect_analyze_loop): Call vect_pattern_recog.
15556 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15557 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15559 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15560 (vect_recog_func_ptr): New function-pointer type.
15561 * tree-vect-patterns.c: New file.
15562 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15563 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15564 (vect_pattern_recog_1): New functions.
15565 (vect_pattern_recog_funcs): New array of function pointers.
15567 * tree-vectorizer.h (ternary_op): New enum value.
15568 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15569 declaration. Revised documentation. Removed redundant dump prints.
15570 Removed redundant argument. Added support for reduction patterns.
15571 (vectorizable_reduction): Added support for reduction patterns.
15572 (vect_transform_stmt): Added support for patterns.
15574 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15575 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15576 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15577 (expand_widen_pattern_expr): New function.
15578 (init_optabs): Initialize new optabs udot_prod_optab,
15580 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15581 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15582 (expand_widen_pattern_expr): New function declaration.
15583 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15585 * tree-inline.c (estimate_num_insns_1): Added cases for new
15586 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15587 * tree-pretty-print.c (dump_generic_node): Likewise.
15588 (op_prio): Likewise.
15589 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15590 * tree-ssa-operands.c (get_expr_operands): Added case for
15592 * tree-vect-patterns.c (widened_name_p): New function.
15593 (vect_recog_dot_prod_pattern): Added function implementation.
15594 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15595 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15596 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15597 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15599 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15600 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15601 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15602 (init_optabs): Initialize new optabs widen_ssum_optab,
15604 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15605 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15606 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15607 use instead of type of def.
15608 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15609 function implementation.
15610 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15611 widen_ssumv8hi): New.
15613 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15616 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15619 * c-decl.c (add_flexible_array_elts_to_size): New function.
15620 (finish_decl): Use it.
15622 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15624 * diagnostic.h: Include options.h.
15625 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15626 dependancies for diagnostic.h.
15627 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15629 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15631 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15632 (ssa_ro_call_cache_valid): Ditto.
15633 * tree-ssa-alias.c (sort_tags_by_id): New function.
15634 (init_transitive_clobber_worklist): Ditto.
15635 (add_to_worklist): Ditto.
15636 (mark_aliases_call_clobbered): Ditto.
15637 (compute_tag_properties): Ditto.
15638 (set_initial_properties): Ditto.
15639 (compute_call_clobbered): Ditto.
15640 (compute_may_aliases): Call compute_call_clobbered and grouping.
15641 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15642 (compute_flow_insensitive_aliasing): Grouping now happens in our
15644 (setup_pointers_and_addressables): Remove clobbering related code.
15645 (add_may_alias): Ditto.
15646 (replace_may_alias): Ditto.
15647 (get_nmt_for): Ditto.
15648 (create_global_var):
15649 (is_escape_site): Return an escape_type enumeration.
15650 * tree-flow-inline.h (is_call_clobbered): Global var does not
15651 imply call clobbered.
15652 (mark_call_clobbered): Take a reason for marking this. Remove
15653 marking of globalness, and cache invalidation.
15654 (clear_call_clobbered): Remove cache invalidation code.
15655 * tree-dfa.c (dump_variable): If details is on, dump the reason
15657 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15659 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15660 (struct var_ann_d): Ditto.
15661 (enum escape_type): New.
15662 (mark_call_clobbered): Adjust prototype.
15663 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15664 are never call clobbered.
15665 Record reasons for escaping.
15666 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15667 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15668 (ssa_ro_call_cache_valid): Ditto.
15669 (clobbered_v_may_defs): Ditto.
15670 (clobbered_vuses): Ditto.
15671 (ro_call_vuses): Ditto.
15672 (clobber_stats): New.
15673 (init_ssa_operands): Zero out clobber stats.
15674 (fini_ssa_operands): Print out clobber stats.
15675 (get_call_expr_operands): Pass callee fndecl to
15676 add_call_read_ops).
15677 (add_call_clobber_ops): Remove use of cache.
15678 Add use of PURE_CONST information.
15679 (add_call_read_ops): Remove use of cache.
15680 Add use of static not_read information.
15682 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15684 Introduce TLS descriptors for i386 and x86_64.
15685 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15686 (TARGET_ANY_GNU_TLS): New macro.
15687 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15688 (struct machine_function): Add tls_descriptor_call_expanded_p.
15689 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15690 (ix86_current_function_calls_tls_descriptor): Likewise.
15691 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15692 (override_options): Introduce gnu2 tls dialect.
15693 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15695 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15697 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15698 (ix86_init_machine_status): Initialize new field.
15699 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15700 (ix86_tls_module_base): New.
15701 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15702 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15703 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15704 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15705 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15706 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15707 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15708 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15709 * config/i386/predicates.md (tls_modbase_operand): New.
15710 (tp_or_register_operand): New.
15712 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15714 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15715 (look_for_address_of): Ditto.
15716 (ipa_init): Walk the function decls.
15717 (static_execute): Don't set readonly on FUNCTION_DECL's.
15719 2006-01-18 Roger Sayle <roger@eyesopen.com>
15721 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15722 for shifts where the source and destination registers are different.
15724 2006-01-18 Paul Brook <paul@codesourcery.com>
15726 Merge from csl-arm-branch.
15727 2005-03-14 Julian Brown <julian@codesourcery.com>
15728 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15729 (aeabi_llsl): Likewise.
15730 (ashrdi3): Likewise.
15731 (aeabi_lasr): Likewise.
15732 (lshrdi3): Likewise.
15733 (aeabi_llsr): Likewise.
15734 2005-03-10 Julian Brown <julian@codesourcery.com>
15735 * config.gcc: Disable shared libgcc for SymbianOS.
15736 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15738 2006-01-18 DJ Delorie <dj@redhat.com>
15740 * c-pragma.c (handle_pragma_diagnostic): New.
15741 (init_pragma): Register it.
15742 * doc/extend.texi: Document it.
15744 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15745 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15746 (diagnostic_context): Add classify_diagnostic[].
15747 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15748 as errors if they're overridden to DK_WARNING.
15749 (diagnostic_initialize): Initialize classify_diagnostic[].
15750 (diagnostic_set_kind_override): New.
15751 (diagnostic_report_diagnostic): Check for kind changes.
15752 * opts.c (common_handle_option): Take lang_mask. Update callers.
15753 Handle OPT_Werror_.
15754 * common.opt (Werror=): New.
15755 * doc/invoke.texi: Document -Werror=*
15757 2006-01-18 Jeff Law <law@redhat.com>
15759 * tree-vrp.c (test_for_singularity): Correct test for new
15760 min limit. Use operand_equal_p rather than pointer equality
15761 for testing if new min/max values are equal.
15763 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15764 using range information until after propagation and folding.
15766 2006-01-18 Richard Henderson <rth@redhat.com>
15767 Aldy Hernandez <aldyh@redhat.com>
15768 Jakub Jelinek <jakub@redhat.com>
15769 Diego Novillo <dnovillo@redhat.com>
15771 * omp-low.c: New file.
15772 * c-omp.c: New file.
15774 2006-01-18 Richard Henderson <rth@redhat.com>
15775 Jakub Jelinek <jakub@redhat.com>
15776 Diego Novillo <dnovillo@redhat.com>
15778 * doc/invoke.texi: Document -fopenmp.
15779 * tree-dump.h (debug_function): Declare.
15780 * hooks.c (hook_bool_tree_bool_false): New function.
15781 (hook_tree_tree_null): Remove.
15782 (hook_tree_tree_tree_null): New.
15783 * hooks.h: Update to match.
15784 * tree-pretty-print.c (debug_tree_chain): New.
15785 (print_generic_expr): Handle TDF_CHAIN.
15786 (dump_generic_node): Handle BLOCK.
15787 Do not abort with incomplete SWITCH_EXPRs.
15788 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15789 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15790 print space after directive name.
15791 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15792 Handle OMP_MASTER and OMP_ORDERED.
15793 Handle printing of OMP_BODY just in one place, goto
15794 dump_omp_body in the rest of OMP_* nodes that have
15796 Don't handle clause nodes here. Update omp statements to
15797 use dump_omp_clauses.
15798 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15799 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15800 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15801 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15802 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15803 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15804 Adjust output for GOMP_PARALLEL.
15805 (dump_omp_clauses): New.
15806 (print_declaration): Dump DECL_VALUE_EXPR.
15807 (op_symbol_1): Split out of op_symbol.
15808 (dumping_stmts): Remove. Update all users.
15809 * cgraph.c (cgraph_analyze_queue): New.
15810 (cgraph_add_new_function): New.
15811 * cgraph.h (cgraph_analyze_queue): Declare.
15812 (cgraph_add_new_function): Declare.
15813 (cgraph_lower_function): Remove.
15814 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15815 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15816 and TYPE_P nodes in its default clause.
15817 (empty_body_p): New.
15818 (tree_range_check_failed): New.
15819 (build5_stat): New.
15820 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15821 OMP_CLAUSE_REDUCTION_MERGE,
15822 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15823 OMP_CLAUSE_PRIVATE_DEBUG,
15824 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15825 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15826 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15827 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15828 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15829 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15830 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15831 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15832 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15833 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15834 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15835 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15836 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15837 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15838 (TREE_RANGE_CHECK): New.
15839 (empty_body_p): Declare.
15840 (enum omp_clause_default_kind): New.
15841 (build_string_literal): Declare.
15842 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15843 (build5_stat, build5): Declare.
15844 * tree-pass.h (TDF_CHAIN): Define.
15845 * tree-pass.h (PROP_gimple_lomp): Define.
15846 (pass_lower_omp): Declare.
15847 * diagnostic.h (debug_tree_chain): Declare.
15848 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15850 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15851 * builtins.c (build_string_literal): Make extern.
15852 * gcc.c (include_spec_function): New.
15853 (static_spec_functions): Add it.
15854 (main): Move load of libgomp.spec ...
15855 (LINK_COMMAND_SPEC): ... here.
15856 (link_gomp_spec): New.
15857 (static_specs): Include it.
15858 (LINK_COMMAND_SPEC): Add link_gomp.
15859 (GOMP_SELF_SPECS): New.
15860 (driver_self_specs): Include it.
15861 (switch_matches): Don't mark inline.
15862 (main): Load libgomp.spec.
15863 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15864 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15865 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15866 * tree-gimple.h (enum omp_parallel): Declare.
15867 (determine_parallel_type): Declare.
15868 (omp_firstprivatize_variable): Declare.
15869 (omp_reduction_init): Declare.
15870 (diagnose_omp_structured_block_errors): Declare.
15871 (struct walk_stmt_info): Add want_return_expr.
15872 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15873 (find_omp_clause): Declare.
15874 (insert_field_into_struct): Declare.
15875 (struct walk_stmt_info): Move from tree-nested.c
15876 (walk_stmts): Declare.
15877 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15879 * cgraphunit.c (cgraph_lower_function): Make static.
15880 (cgraph_finalize_pending_functions): New.
15881 (cgraph_finalize_function): Call it.
15882 (cgraph_finalize_compilation_unit): Likewise.
15883 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15884 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15885 (BT_FN_UINT_UINT): New.
15886 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15887 DEF_FUNCTION_TYPE_VAR_4): Document.
15888 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15889 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15890 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15891 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15892 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15893 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15894 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15895 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15896 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15897 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15898 into separate files.
15899 (DEF_GOMP_BUILTIN): New.
15900 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15901 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15902 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15903 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15904 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15905 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15906 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15907 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15908 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15909 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15910 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15911 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15912 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15913 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15914 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15915 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15916 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15917 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15918 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15919 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15920 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15921 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15922 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15923 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15924 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15925 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15926 * sync-builtins.def: New file, moved from builtins.def.
15927 * omp-builtins.def: New file, moved from builtins.def.
15928 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15929 * gimple-low.c (lower_function_body): Clear data.
15930 (lower_stmt): Do not handle COMPOUND_EXPR.
15931 Remove call to print_node_brief.
15932 * c-tree.h (c_finish_omp_clauses): New prototype.
15933 (C_DECL_THREADPRIVATE_P): Define.
15934 (lookup_name_no_remap, c_omp_remap_private): Remove
15935 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15936 (check_for_loop_decls): Update decl.
15937 (lookup_name_no_remap, c_omp_remap_private): Declare.
15938 (build_indirect_ref, build_modify_expr, pushdecl,
15939 pushdecl_top_level): Move to c-common.h.
15940 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15941 before the switch, but just in the 2 places that need it.
15942 * c-decl.c (diagnose_mismatched_decls): Do not check for
15943 mismatched thread-local attributes when OLDDECL is marked
15944 threadprivate and NEWDECL has no thread-local attributes.
15945 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15946 (c_gimple_diagnostics_recursively): Rename from
15947 c_warn_unused_result_recursively. Invoke
15948 diagnose_omp_structured_block_errors.
15949 (check_for_loop_decls): Return a singular decl found.
15950 * langhooks.c (lhd_omp_predetermined_sharing): Return
15951 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15952 (lhd_omp_firstprivatize_type_sizes): New.
15953 (lhd_omp_assignment): New.
15954 (lhd_omp_predetermined_sharing): New.
15955 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15956 (struct lang_hooks_for_types): Add
15957 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15958 omp_predetermined_sharing, omp_disregard_value_expr,
15959 omp_private_debug_clause, omp_clause_default_ctor,
15960 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15961 (c_finish_omp_clauses): New.
15962 (c_finish_bc_stmt): Diagnose break within omp for.
15963 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15964 (build_unary_op): Return error_mark after reporting
15966 (build_modify_expr): Likewise.
15967 * gimplify.c: Include optabs.h and pointer-set.h.
15968 (enum gimplify_omp_var_data): Declare.
15969 (struct gimplify_omp_ctx): Declare.
15970 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15972 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15973 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15974 (splay_tree_compare_decl_uid): New.
15975 (new_omp_context): New.
15976 (delete_omp_context): New.
15977 (gimple_add_tmp_var): Call omp_add_variable.
15978 (gimplify_bind_expr): Likewise.
15979 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15980 true, disregard DECL_VALUE_EXPR on the decl if any.
15981 (gimplify_expr_in_ctx): New.
15982 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15983 omp_add_variable, omp_notice_variable, omp_is_private
15984 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15985 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15986 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15987 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15988 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15989 gimplify_omp_atomic): New.
15990 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15991 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15992 OMP_CRITICAL and OMP_ATOMIC.
15993 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15994 * c-pragma.h (enum pragma_kind): Add
15995 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15996 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15997 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15998 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15999 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16000 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16001 PRAGMA_OMP_THREADPRIVATE.
16002 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16003 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16004 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16005 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16006 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16007 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16008 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16009 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16010 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16011 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16012 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16013 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16014 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16016 (struct nesting_info): Add field_map,
16017 suppress_expansion, debug_var_chain.
16018 (create_nesting_tree): Initialize them.
16019 (lookup_field_for_decl): Use field_map.
16020 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16021 (convert_local_omp_clauses): New.
16022 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16023 (walk_body): Split out of walk_function.
16024 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16025 (convert_nonlocal_reference): Handle omp statements.
16026 (convert_local_reference): Likewise.
16027 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16028 (unnest_nesting_tree): New.
16029 (lower_nested_functions): Call it.
16030 (insert_field_into_struct): Make extern.
16031 (struct walk_stmt_info): Move to tree-gimple.h.
16032 (walk_stmts): Make extern.
16033 * omp-builtins.def: New file.
16034 * tree-iterator.c (expr_only): Clarify comment.
16035 * c-common.h (pushdecl_top_level, pushdecl,
16036 build_modify_expr, build_indirect_ref,
16037 c_finish_omp_master, c_finish_omp_critical,
16038 c_finish_omp_ordered, c_finish_omp_barrier,
16039 c_finish_omp_atomic, c_finish_omp_flush,
16040 c_finish_omp_for, c_split_parallel_clauses,
16041 omp_clause_default_kind, c_omp_sharing_predetermined,
16042 c_omp_remap_decl): Declare.
16043 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16044 (OBJS-common): Add omp-low.o.
16045 (c-omp.o, omp-low.o): Add.
16046 (gimplify.o): Add dependency on $(OPTABS_H).
16047 (GTFILES): Add omp-low.c.
16048 (gt-stringpool.h): Add.
16049 * tree-cfg.c (set_bb_for_stmt): Do not update the
16050 block-to-labels map if we are currently expanding to RTL.
16051 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16053 Handle IDENTIFIER_NODE.
16054 (tree_verify_flow_info): Do not ICE when emitting error
16055 messages about invalid labels.
16056 (dump_function_to_file): Reset CFUN before emitting the body
16058 (debug_function): New.
16059 * passes.c (init_optimization_passes): Schedule
16061 * langhooks-def.h (lhd_omp_predetermined_sharing,
16062 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16064 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16065 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16066 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16067 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16068 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16069 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16070 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16071 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16072 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16073 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16074 (LANG_HOOK_DECLS): Use them.
16076 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16077 Richard Henderson <rth@redhat.com>
16078 Jakub Jelinek <jakub@redhat.com>
16079 Diego Novillo <dnovillo@redhat.com>
16081 * c-parser.c (pragma_omp_clause): Define.
16082 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16083 (c_parser_compound_statement): Likewise.
16084 (c_parser_statement): Likewise.
16085 (c_parser_pragma): Handle omp pragmas.
16086 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16087 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16088 (c_parser_omp_clause_name, check_no_duplicate_clause,
16089 c_parser_omp_variable_list,
16090 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16091 c_parser_omp_clause_copyprivate,
16092 c_parser_omp_clause_default,
16093 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16094 c_parser_omp_clause_lastprivate,
16095 c_parser_omp_clause_nowait,
16096 c_parser_omp_clause_num_threads,
16097 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16098 c_parser_omp_clause_reduction,
16099 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16100 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16101 c_parser_omp_atomic, c_parser_omp_barrier,
16102 c_parser_omp_critical, c_parser_omp_flush,
16103 c_parser_omp_for_loop, c_parser_omp_for,
16104 c_parser_omp_master, c_parser_omp_ordered,
16105 c_parser_omp_sections_scope, c_parser_omp_sections,
16106 c_parser_omp_parallel, c_parser_omp_single,
16107 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16108 * c-pragma.c (init_pragma): Do omp pragma registration here.
16109 * c.opt (fopenmp): New flag.
16111 2006-01-18 Eric Christopher <echristo@apple.com>
16113 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16114 * config/darwin.h (GOMP_SELF_SPECS): Define.
16116 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16118 * rtl.h: Remove the prototype for reg_alloc.
16120 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16123 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16124 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16125 sjlj and dwarf2 exception handling.
16126 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16127 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16128 * pa/pa.c (function_value): Treat complex and vector types as
16130 (function_arg): Likewise. Only pass scalar floats in the floating
16131 point argument registers.
16132 * pa/t-slibgcc-dwarf-ver: New file.
16133 * pa/t-slibgcc-sjlj-ver: New file.
16134 * pa/t-slibgcc-elf-ver: Delete file.
16136 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16138 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16139 unlikely_test_section_p test.
16141 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16143 * mode-switching.c (optimize_mode_switching): Make it static.
16144 * basic-block.h: Remove the prototype for
16145 optimize_mode_switching.
16147 * modulo-sched.c (sms_schedule): Make it static.
16148 * rtl.h: Remove the prototype for sms_schedule.
16150 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16151 * rtl.h: Remove the prototype for gcse_after_reload_main.
16153 * reg-stack.c (reg_to_stack): Make it static.
16154 * rtl.h: Remove the prototype for reg_to_stack.
16156 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16158 * rtl.h: Remove the prototypes for regrename_optimize and
16159 copyprop_hardreg_forward.
16161 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16163 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16164 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16165 Test against the appropriate null constant for the mode.
16166 If 'fixup_overlap' is true, swap the operands if they overlap.
16167 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16168 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16169 alpha_split_tmode_pair and adjust for above change.
16170 * config/alpha/alpha.md (movtf_internal): Adjust call to
16171 alpha_split_tfmode_pair and rely on it to swap the operands.
16172 (movti_internal): New insn and post-reload splitter.
16173 (movti): New expander.
16175 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16177 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16180 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16182 * rtlanal.c (global_reg_mentioned_p_1,
16183 global_reg_mentioned_p): Remove.
16184 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16186 * flow.c (initialize_uninitialized_subregs): Make it static.
16187 * rtl.h: Remove the prototype for
16188 initialize_uninitialized_subregs.
16190 * function.c (instantiate_virtual_regs): Make it static.
16191 * function.h: Remove the prototype for
16192 instantiate_virtual_regs.
16194 * regmove.c (regmove_optimize, combine_stack_adjustments):
16196 * rtl.h: Remove the prototypes for regmove_optimize and
16197 combine_stack_adjustments.
16199 2006-01-17 Roger Sayle <roger@eyesopen.com>
16201 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16202 (size_cost): Encode costs in bytes so that a reg-reg addition is
16203 equivalent to COSTS_N_INSNS(1).
16204 (override_options): Use the size_cost.branch_cost as the default
16205 ix86_branch_cost when optimizing for size.
16207 2006-01-18 Ben Elliston <bje@au.ibm.com>
16209 * Makefile.in (D32PBIT_FUNCS): New.
16210 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16211 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16212 D64PBIT_FUNCS and D128PBIT_FUNCS.
16213 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16214 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16216 (decnumber_dep): Define.
16217 * doc/libgcc.texi (Decimal float library routines): New node.
16218 * config/dfp-bit.h, config/dfp-bit.c: New files.
16220 2006-01-18 Ben Elliston <bje@au.ibm.com>
16222 * expr.c (emit_move_change_mode): Always adjust addresses, not
16223 just during reload. Copy replacements only during reload.
16224 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16225 emit_move_via_integer.
16227 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16229 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16230 instead of $(srcdir) and ${srcdir}.
16232 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16235 PR middle-end/11135
16236 * arm.h (struct machine_function): Add pic_reg.
16237 * arm.c (arm_pic_register): Make unsigned.
16238 (arm_override_options): Only set arm_pic_register if
16239 TARGET_SINGLE_PIC_BASE.
16240 (use_return_insn): Only test for a pic register if it is fixed.
16241 (arm_compute_save_reg0_reg12_mask): Likewise.
16242 (thumb_compute_save_reg_mask): Likewise.
16243 (legitimate_pic_operand): Factor out some known invariants.
16244 (legitimize_pic_address): If we don't have a fixed pic register,
16245 then set up a pseudo in the function entry sequence. Handle the
16246 pic base being in a pseudo.
16247 (arm_load_pic_register): Handle the pic register being in a pseudo.
16248 (arm_expand_prologue): Only set up the pic register if it is fixed.
16249 (thumb_expand_prologue): Likewise.
16250 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16251 (pic_load_addr_based_insn): Likewise.
16252 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16255 2006-01-18 Ben Elliston <bje@au.ibm.com>
16257 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16258 decimal float modes for all floating point registers.
16260 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16261 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16263 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16266 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16267 even when the pointer is not NULL.
16269 2006-01-16 Ian Lance Taylor <ian@airs.com>
16271 * common.opt (ftoplevel-reorder): New option.
16272 * cgraph.c (cgraph_asm_nodes): New global variable.
16273 (cgraph_asm_last_node): New static variable.
16274 (cgraph_order): New global variable.
16275 (cgraph_create_node): Set new order field.
16276 (cgraph_varpool_node): Likewise.
16277 (decide_is_variable_needed): Return true if not
16278 flag_toplevel_reorder.
16279 (cgraph_add_asm_node): New function.
16280 * cgraph.h (struct cgraph_node): Add order field.
16281 (struct cgraph_varpool_node): Add order field.
16282 (struct cgraph_asm_node): Define.
16283 (cgraph_asm_nodes, cgraph_order): Declare.
16284 (cgraph_add_asm_node): Declare.
16285 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16287 (cgraph_varpool_assemble_pending_decls): Call it.
16288 (cgraph_output_pending_asms): New static function.
16289 (cgraph_finalize_compilation_unit): Call it.
16290 (struct cgraph_order_sort): Define.
16291 (cgraph_output_in_order): New static function.
16292 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16293 !flag_toplevel_reorder case.
16294 * c-parser.c: Include "cgraph.h".
16295 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16297 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16298 than -fno-unit-at-a-time.
16299 * doc/invoke.texi (Option Summary): Mention
16300 -fno-toplevel-reorder.
16301 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16302 -funit-at-a-time documentation.
16304 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16305 Kazu Hirata <kazu@codesourcery.com>
16307 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16309 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16311 * Makefile.in (FUNCTION_H): New. Use it instead of
16312 function.h throughout the file.
16313 * function.h: Include tree.h.
16315 2006-01-17 Ben Elliston <bje@au.ibm.com>
16317 * recog.c: Separate some functions with whitespace.
16319 2006-01-16 Richard Henderson <rth@redhat.com>
16321 Merge from gomp branch:
16322 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16323 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16324 and rename from struct inline_data. Rename callee* to dst*;
16325 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16326 transform_new_cfg, transform_return_to_modify, and
16327 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16329 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16330 (copy_decl_for_dup): Remove.
16331 * tree-inline.c (struct inline_data): Move to header.
16332 (insert_decl_map): Export.
16333 (remap_decl): Update for member name changes. Use copy_decl hook.
16334 Allow for replacement to be a non-decl. Remove dead code.
16335 (remap_type_1): Check for existing mapping.
16336 (remap_type): Export.
16337 (remap_decls): Update for member name changes.
16338 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16339 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16340 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16341 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16342 (tree_function_versioning, build_duplicate_type): Likewise.
16343 (copy_body_r): Likewise. Export.
16344 (copy_decl_for_dup): Split into ...
16345 (copy_decl_for_dup_finish, copy_decl_to_var,
16346 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16347 (replace_ref_tree, inlining_p): Remove.
16349 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16351 * ifcvt.c (if_convert): Make it static.
16352 * rtl.h: Remove the prototype for if_convert.
16354 * local-alloc.c (local_alloc): Make it static.
16355 * rtl.h: Remove the prototype for local_alloc.
16357 * loop.c (loop_optimize): Make it static.
16358 * cfgloop.h: Remove the prototype for loop_optimize.
16361 2006-01-16 DJ Delorie <dj@redhat.com>
16363 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16366 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16368 * pa.md: Disparage copies between general and floating-point registers
16369 in 32-bit move patterns.
16371 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16374 * Makefile.in (check-%): Depend on site.exp instead of
16375 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16378 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16380 * global.c (global_alloc): Make it static.
16381 * rtl.h: Remove the prototype for global_alloc.
16383 2006-01-16 Richard Guenther <rguenther@suse.de>
16385 * tree-ssa-alias.c (struct used_part): Add write_only field.
16386 (get_or_create_used_part_for): Initialize it to true.
16387 (create_overlap_variables_for): Don't create structure variables
16388 for structures that only are written to.
16389 (find_used_portions): Handle MODIFY_EXPR to track whether a
16390 structure is only written to.
16392 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16394 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16396 * basic-block.h: Remove the prototype for
16397 partition_hot_cold_basic_blocks.
16399 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16401 * cppspec.c (lang_specific_spec_functions): Remove.
16402 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16403 * gcc.h (lang_specific_spec_functions): Remove.
16404 * gccspec.c (lang_specific_spec_functions): Remove.
16406 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16408 * combine.c (record_value_for_reg): Invalidate registers
16410 (record_dead_and_set_regs_1): Likewise, by passing them to
16411 record_value_for_reg.
16412 (record_dead_and_set_regs): Invalidate stores made by a
16413 call. We do not combine across a call, but we still
16414 relied on equivalences.
16416 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16418 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16419 vrp_int_const_binop returning non-constant nodes.
16421 2006-01-16 Paul Brook <paul@codesourcery.com>
16423 * config/m68k/m68k.c (output_move_const_into_data_reg):
16424 Output correct mnemonic for mvz and mvs.
16426 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16428 * rtl-factoring.c: Add sequence abstraction algorithm.
16429 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16430 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16432 (block_has_preserve_label): New function.
16433 * common.opt: Register new pass.
16434 * Makefile.in: Ditto.
16436 * timevar.def: Ditto.
16437 * tree-pass.h: Ditto.
16438 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16439 * rtl.h (make_jump_insn_raw): Add forward decl.
16440 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16442 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16443 Roger Sayle <roger@eyesopen.com>
16445 * fold-const.c (fold_minmax): New static function.
16446 (fold_binary) <MIN_EXPR>: Call it.
16447 <MAX_EXPR>: Likewise.
16448 * stor-layout.c (place_field): Use DECL_SIZE consistently
16449 in the computation of the new record size.
16451 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16453 * cse.c (cse_condition_code_reg): Make it static.
16454 * rtl.h: Remove the prototype for cse_condition_code_reg.
16456 * combine.c (combine_instructions): Make it static.
16457 * rtl.h: Remove the prototype for combine_instructions.
16459 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16462 * tree.c (get_file_function_name_long): Concatenate the first global
16463 object name with a string derived from the input filename of the object
16466 2006-01-16 Ben Elliston <bje@au.ibm.com>
16468 * config/i386/winnt-stubs.c: Update FSF address.
16469 * config/xtensa/ieee754-df.S: Ditto.
16470 * config/xtensa/ieee754-sf.S: Ditto.
16472 2006-01-14 Ian Lance Taylor <ian@airs.com>
16474 * ifcvt.c (noce_init_if_info): New static function, broken out of
16475 noce_process_if_block.
16476 (noce_process_if_block): Call noce_init_if_info.
16477 (check_cond_move_block): New static function.
16478 (cond_move_process_if_block): New static function.
16479 (process_if_block): Call cond_move_process_if_block.
16481 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16483 * cselib.c (hash_table): Rename to cselib_hash_table.
16484 (cselib_clear_table, discard_useless_values,
16485 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16486 cselib_init, cselib_finish): Adjust uses of hash_table.
16488 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16490 PR tree-optimization/25485
16491 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16492 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16493 is known to be false and true, respectively.
16495 2006-01-14 Richard Guenther <rguenther@suse.de>
16497 PR tree-optimization/22548
16498 PR tree-optimization/22555
16499 PR tree-optimization/22501
16500 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16501 * params.def (salias-max-array-elements): New parameter.
16502 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16503 * doc/invoke.texi (salias-max-array-elements): Document.
16504 * tree-flow-inline.h (var_can_have_subvars): We also handle
16506 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16508 * tree-ssa-structalias.c (params.h): Include.
16509 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16510 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16511 (get_constraint_for): For ADDR_EXPR operating on something
16512 containing an ARRAY_REF, add all subvars to the solution.
16513 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16514 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16515 for creating MUST_DEFs.
16516 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16518 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16520 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16522 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16523 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16524 number_of_iterations_le): New functions.
16525 (number_of_iterations_special): Removed.
16526 (number_of_iterations_exit): Do not use number_of_iterations_special.
16527 * tree.c (unsigned_type_for): Always return integer type.
16529 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16530 Richard Guenther <rguenther@suse.de>
16532 PR rtl-optimization/24257
16533 * gcse.c (find_moveable_store): Only consider a store movable
16534 when the SET_SRC of the insn can be assigned to a register.
16536 2006-01-14 Ian Lance Taylor <ian@airs.com>
16538 * tree.c (tree_not_class_check_failed): New function.
16539 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16540 (tree_not_class_check_failed): Declare.
16542 2006-01-13 Ian Lance Taylor <ian@airs.com>
16544 * reload1.c (do_output_reload): Add assertion rejecting a
16547 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16549 * combine.c (struct reg_stat): Add new fields truncation_label and
16551 (record_value_for_reg): Reset truncated_to_mode.
16552 (record_truncated_value): New function.
16553 (check_promoted_subreg): Call it. Rename to check_conversions.
16554 (combine_instructions): Rename check_promoted_subreg to
16556 (reg_truncated_to_mode): New function.
16557 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16558 (gen_lowpart_or_truncate): New function.
16559 (force_to_mode): Use it instead of gen_lowpart.
16561 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16563 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16564 VAR is a tag, not its type tag.
16566 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16568 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16569 alternatives to match style of other entries.
16570 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16572 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16574 PR tree-optimization/25771
16575 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16578 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16581 * tree-inline.c (declare_return_variable): If the return variable
16582 was marked as a non gimple complex, set the return slot variable
16583 to be a non gimple comple variable.
16585 2006-01-13 Richard Guenther <rguenther@suse.de>
16587 * builtins.c (expand_builtin_sincos): New function.
16588 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16590 (expand_builtin): Expand sincos using expand_builtin_sincos.
16592 2006-01-12 DJ Delorie <dj@redhat.com>
16594 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16595 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16596 so that constant shifts can be split.
16597 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16598 (m32c_valid_pointer_mode): Make static.
16599 (shift_gen_func_for): New.
16600 (m32c_prepare_shift): Use it. Split large const shifts into
16602 * config/m32c/predicates.md (shiftcount_operand): Allow more
16604 (longshiftcount_operand): New.
16605 * doc/md.texi (Machine Constraints): Document In6.
16607 2006-01-13 Ben Elliston <bje@au.ibm.com>
16609 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16610 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16613 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16615 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16616 to try to avoid clobbering pieces of structures when we know
16617 something about the whole structure.
16618 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16620 2006-01-13 Ben Elliston <bje@au.ibm.com>
16622 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16623 return in memory, as this is no limitation is no longer present.
16625 2006-01-12 DJ Delorie <dj@redhat.com>
16627 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16628 mova with fb, and for fb+0 -> An.
16630 * config/m32c/mov.md (peephole2): Fix enabling logic.
16632 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16633 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16634 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16635 FINI_ARRAY_SECTION_ASM_OP): Define.
16637 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16639 (m32c_legitimize_reload_address): New logic to reload FB to An.
16640 (m32c_output_reg_push): Add newline.
16641 (m32c_output_reg_pop): Likewise.
16643 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16645 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16647 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16649 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16651 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16653 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16656 2006-01-11 Ben Elliston <bje@au.ibm.com>
16658 * rtlanal.c (find_reg_note): Assert insn is not null.
16660 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16662 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16665 2006-01-11 Jeff Law <law@redhat.com>
16667 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16669 (mark_threaded_blocks, register_jump_thread): New functions.
16670 (thread_through_all_blocks): Remove unwanted argument. No
16671 longer rely on e->aux to communicate thread target info.
16672 Call mark_threaded_blocks. Release the threaded_blocks
16673 bitmap and threaded_edges vector when complete.
16674 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16675 (threaded_blocks): Remove.
16676 (tree_ssa_dominator_optimize): Remove initialization and
16677 finalization of threaded_blocks. Simplify call to
16678 thread_through_all_blocks.
16679 (thread_across_edge): Call register_jump_thread rather than
16680 storing thread information into e->aux.
16681 (free_all_edge_infos): Simplify now that e->aux is no longer
16682 used to communicate with thread_through_all_blocks.
16683 * tree-flow.h (thread_through_all_blocks): Update prototype.
16684 (register_jump_thread): Prototype.
16686 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16688 * df-core.c (df_compact_blocks, df_bb_replace): Use
16689 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16691 2006-01-11 Richard Guenther <rguenther@suse.de>
16693 PR tree-optimization/25734
16694 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16695 stop propagation after successful propagation to the LHS.
16697 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16699 * basic-block.h (control_flow_graph): Change the type of
16700 x_basic_block_info to VEC(basic_block,gc) *.
16701 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16703 (SET_BASIC_BLOCK): New.
16704 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16705 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16706 * cfgbuild.c (find_basic_blocks): Likewise.
16707 * cfglayout.c (fixup_reorder_chain): Likewise.
16708 * cfgrtl.c (create_basic_block_structure,
16709 rtl_create_basic_block): Likewise.
16710 * ifcvt.c (find_if_case_1): Likewise.
16711 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16714 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16716 * Makefile.in: Removed rotted odf.c entry.
16718 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16721 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16722 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16723 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16724 output pattern modifier, not %e.
16725 * config/cris/cris.c (cris_op_str): Update comment about pattern
16727 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16728 before falling through into...
16729 <case 'E'>: Redefined from old 'e' case.
16731 2006-01-11 Jan Hubicka <jh@suse.cz>
16734 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16736 2006-01-11 Jan Hubicka <jh@suse.cz>
16738 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16739 * i386.c (x86_decompose_lea): Kill.
16740 (ix86_rtx_costs): Kill.
16742 2006-01-11 Jan Hubicka <jh@suse.cz>
16744 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16745 * cgraph.h (cgraph_node): Add inline_decl.
16746 (cgraph_insert_node_to_hashtable): Declare.
16747 (save_inline_function_body): Declare.
16748 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16750 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16751 (cgraph_function_versioning): Update call of tree_function_versioning.
16752 (save_inline_function_body): New function.
16753 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16754 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16755 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16756 (cgraph_default_inline_p): Likewise.
16757 (cgraph_decide_inlining_incrementally): Likewise.
16758 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16759 (copy_bb): Kill saving; do updating of clones.
16760 (copy_cfg_body): Kill saving.
16761 (initialize_inlined-parameters): Likewise.
16762 (expand_call_inline): Likewise.
16764 (tree_function_versioning): New parameter "update_clones".
16765 (inlining_p): Kill saving.
16766 * tree-inline.h (tree_function_versioning): Update prototype.
16767 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16770 2006-01-11 Ian Lance Taylor <ian@airs.com>
16772 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16773 Allow undoing set of machine mode.
16774 (do_SUBST): Use enums instead of is_int.
16775 (do_SUBST_MODE): New function.
16776 (SUBST_MODE): New macro.
16777 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16778 reg and trying to replace reg_regno_rtx with a new register.
16779 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16780 (simplify_set): Use SUBST_MODE.
16781 (distribute_notes): Remove code that tried to update reg notes
16782 for regno_reg_rtx changes.
16784 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16786 PR tree-optimization/23109
16787 PR tree-optimization/23948
16788 PR tree-optimization/24123
16790 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16791 * tree-cfg.c (single_noncomplex_succ): New.
16792 * tree-flow.h (single_noncomplex_succ): Declare it.
16793 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16794 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16795 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16796 insert_bb, register_division_in, insert_reciprocals,
16797 replace_reciprocal, free_bb): New.
16798 (execute_cse_reciprocals_1): Rewritten.
16799 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16800 Do not commit any edge insertion. Always compute dominators and
16801 create the allocation pool.
16802 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16803 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16804 * targhooks.c (default_min_divistions_for_recip_mul): New.
16805 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16806 * passes.c (init_optimization_passes): Run recip after tree loop
16808 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16810 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16811 Kenneth Zadeck <zadeck@naturalbridge.com>
16813 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16814 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16815 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16816 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16817 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16818 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16819 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16820 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16821 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16822 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16823 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16824 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16825 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16826 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16827 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16828 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16829 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16830 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16831 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16832 DF_SCAN_POST_ALLOC): New macros.
16833 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16834 df_free_bb_function, df_local_compute_function, df_init_function,
16835 df_dataflow_function, df_confluence_function_0,
16836 df_confluence_function_n, df_transfer_function,
16837 df_finalizer_function, df_free_function, df_dump_problem_function,
16838 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16839 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16840 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16841 df_urec_bb_info, ) New types.
16842 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16844 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16845 df_analyze_simple_change_some_blocks,
16846 df_analyze_simple_change_one_block, df_compact_blocks,
16847 df_bb_replace, df_bb_regno_last_use_find,
16848 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16849 df_insn_regno_def_p, df_find_def, df_find_use,
16850 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16851 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16852 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16853 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16854 debug_df_chain, df_get_dependent_problem, df_chain_create,
16855 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16856 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16857 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16858 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16859 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16860 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16861 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16862 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16863 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16864 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16865 df_reorganize_refs, df_set_state, df_hard_reg_init,
16866 df_read_modify_subreg_p) New public functions.
16867 * df-core.c: The core dataflow solver and glue routines for rtl
16869 (df_init, df_add_problem, df_set_blocks, df_finish,
16870 df_hybrid_search_forward, df_hybrid_search_backward,
16871 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16872 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16873 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16874 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16875 df_reg_defined, df_find_use, df_reg_used, df_dump,
16876 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16877 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16878 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16879 debug_df_useno, reset_df_after_reload): New functions.
16880 * df-scan.c: The scanning fuctions, once in df.c, completely
16881 rewritten so that they now fully model the functionality of
16882 register usage at the backend.
16883 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16884 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16885 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16886 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16887 df_get_artificial_defs, df_get_artificial_uses,
16888 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16889 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16890 df_refs_delete, df_reorganize_refs, df_set_state,
16891 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16892 df_def_record_1, df_defs_record, df_uses_record,
16893 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16894 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16895 df_record_exit_block_uses, df_hard_reg_init): New functions.
16897 * df-problems.c: Seven concrete dataflow problems that use the
16898 scanning in df-scan.c and are solved by the engine in df-core.c.
16899 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16900 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16901 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16902 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16903 df_ru_free_bb_info, df_ru_alloc,
16904 df_ru_bb_local_compute_process_def,
16905 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16906 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16907 df_ru_transfer_function, df_ru_free, df_ru_dump,
16908 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16909 df_rd_free_bb_info, df_rd_alloc,
16910 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16911 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16912 df_rd_transfer_function, df_rd_free, df_rd_dump,
16913 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16914 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16915 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16916 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16917 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16918 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16919 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16920 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16921 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16922 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16923 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16924 df_urec_mark_reg_use_for_earlyclobber,
16925 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16926 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16927 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16928 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16929 df_chain_create_bb_process_use, df_chain_create_bb,
16930 df_chain_finalize, df_chain_free, df_chains_dump,
16931 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16932 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16933 df_reg_lifetime): New functions.
16934 * df.c: Deleted file.
16935 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16936 consistent with new df api.
16937 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16938 rest_of_handle_sms): Ditto.
16939 * web.c (unionfind_union, union_defs, entry_register, web_main):
16941 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16942 invariant_expr_equal_p, find_defs, check_dependencies,
16943 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16944 free_inv_motion_data, move_loop_invariants): Ditto.
16945 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16946 Update dependencies.
16947 (odf.c): Added defective entry that was deleted later in day.
16948 * sched-deps.c (sched_analyze_1): Ditto.
16950 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16952 * tree-ssa-operands.c (get_expr_operands): Record addressable
16953 variables directly. Do not call add_stmt_operands for CONST_DECLs
16955 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16956 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16958 2006-01-11 Ben Elliston <bje@au.ibm.com>
16960 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16961 function returns true in the positive case.
16963 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16966 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16967 for SI, DI, SF and DF modes. Add alternatives to copy between
16968 general and floating point registers to the 32-bit patterns.
16969 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16970 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16971 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16972 generating 64-bit code.
16973 * config/pa/pa.c (output_move_double): Handle copies between general
16974 and floating registers.
16976 2006-01-10 Stuart Hastings <stuart@apple.com>
16978 * config/i386/i386.md (set_got): Update.
16979 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16980 (builtin_setjmp_receiver): Mach-O support.
16981 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16982 (GOT_SYMBOL_NAME): Define.
16983 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16984 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16985 * config/i386/i386.c (override_options): Revise for Darwin.
16986 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16987 support. (darwin_x86_file_end): New. (output_set_got): Add label
16988 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16989 * config/i386/i386-protos.h (output_set_got): Likewise.
16990 * config/darwin.c (machopic_legitimize_pic_address): Update
16993 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16995 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16996 when MODE isn't BLKmode.
16998 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17000 PR rtl-optimization/25367
17001 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17003 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17006 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17007 for a negative bound.
17009 2006-01-10 Richard Guenther <rguenther@suse.de>
17011 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17012 Never override with anything constraint.
17014 2006-01-10 Jan Beulich <jbeulich@novell.com>
17016 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17017 256 bits when optimize_size.
17019 2006-01-10 Jan Beulich <jbeulich@novell.com>
17021 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17023 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17024 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17027 2006-01-10 Ben Elliston <bje@au.ibm.com>
17029 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17031 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17032 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17033 (USE_FP_FOR_ARG): Reject decimal float modes.
17034 (function_arg_advance): Likewise.
17035 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17036 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17037 point types in AltiVec vectors.
17038 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17039 (rs6000_libcall_value): Likewise.
17041 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17043 * config/xtensa/ieee754-df.S: New file.
17044 * config/xtensa/ieee754-sf.S: New file.
17045 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17046 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17047 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17049 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17051 * config/sh/predicates.md (binary_float_operator,
17052 binary_logical_operator, commutative_float_operator,
17053 equality_comparison_operator, greater_comparison_operator,
17054 less_comparison_operator, logical_operator,
17055 noncommutative_float_operator, shift_operator,
17056 symbol_ref_operand, unary_float_operator): Remove redundant
17059 2006-01-09 Jeff Law <law@redhat.com>
17061 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17062 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17063 now unused arguments. Callers updated.
17064 (eliminate_redundant_computations): Remove now unused arguments,
17066 (local_fold): Remove, no longer used.
17067 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17069 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17070 (simplify_cond): New function.
17071 (forward_propagate_into_cond): Call simplify_cond.
17073 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17075 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17076 (*vec_extractv2di_1_sse): New.
17078 2006-01-09 Ben Elliston <bje@au.ibm.com>
17080 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17082 2006-01-08 Richard Guenther <rguenther@suse.de>
17084 * tree-ssa-structalias.c (get_constraint_for): Remove
17085 anyoffset argument.
17086 (get_constraint_for_component_ref): Likewise.
17087 (do_deref): Likewise.
17088 (get_constraint_for): Likewise.
17089 (do_structure_copy): Likewise.
17090 (handle_ptr_arith): Likewise.
17091 (find_func_aliases): Likewise. Remove unused need_anyoffset
17094 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17095 Kaz Kojima <kkojima@gcc.gnu.org>
17097 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17098 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17099 (EXTRA_CONSTRAINT_C16): Remove.
17100 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17101 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17102 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17103 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17104 constants of SHmedia. Handle nested constant expressions of
17106 (andcosts): Fix the costs for SHmedia constants.
17107 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17108 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17109 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17110 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17111 (movv4hi_i, movv2si_i): Likewise.
17112 (movsi_const): Adjust the second operand of ior so to match with
17113 the Csu constraint.
17114 (movdi_const, movdi_const_32bit): Likewise.
17115 (movdi_const_16bit+1): Don't sign-extend LOW.
17116 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17118 (*double_shori): Fix the split condition. Use GEN_INT instead
17119 of get_int_mode calls. Mask lower 16-bit of the argument of
17121 (sym2GOTPLT): Remove.
17122 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17124 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17125 instead of EXTRA_CONSTRAINT_C16.
17127 2006-01-07 Ian Lance Taylor <ian@airs.com>
17128 David Edelsohn <edelsohn@gnu.org>
17130 PR rtl-optimization/25662
17131 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17132 for constant operands instead of simplify_gen_binary.
17133 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17134 after trying simplify_binary_operation
17136 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17138 * tree.c (iterative_hash_expr): Hash decls based on UID.
17140 2006-01-06 Eric Christopher <echristo@apple.com>
17142 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17143 (TARGET_UNWIND_EMIT): Fix spelling.
17144 * target.h (gcc_target): Add except_table_label.
17145 * except.c (output_function_exception_table): Use.
17146 * varasm.c (default_emit_except_table_label): New.
17147 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17149 (asm_out): Add here.
17150 * output.h (default_emit_except_table_label): Prototype.
17151 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17152 * config/darwin.c (darwin_emit_except_table_label): Define.
17153 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17155 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17157 PR tree-optimization/18527
17158 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17159 number_of_iterations_special, number_of_iterations_exit):
17160 Move base and step of an iv to a single structure. Add
17161 no_overflow flag, and use it in # of iterations analysis.
17162 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17163 folded_casts argument.
17164 (simple_iv): Pass base and step in a structure. Set no_overflow
17166 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17167 Evaluate expensiveness of computing # of iterations instead of
17168 the final expression.
17169 * tree-scalar-evolution.h (affine_iv): New structure.
17170 (simple_iv): Declaration changed.
17171 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17172 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17173 find_givs_in_stmt): Changed due to simple_iv change.
17175 2006-01-06 Jeff Law <law@redhat.com>
17178 * tree-cfg.c (bsi_replace): Rename final argument from
17179 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17180 change (stmt -> orig_stmt).
17181 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17182 (bsi_remove): Add new argument. Remove EH information
17184 (verify_eh_throw_table_statements): New function.
17185 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17187 * tree-optimize.c (execute_free_cfg_annotations): Verify
17188 the EH throw statement table after removing annotations.
17189 * except.h (verify_eh_throw_table_statements): Prototype.
17190 * tree-flow.h (bsi_remove): Update prototype.
17191 * tree-vrp.c (remove_range_assertions): Add new argument to
17193 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17194 * tree-complex.c (expand_complex_div_wide): Likewise.
17195 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17196 * tree-tailcall.c (eliminate_tailcall): Likewise.
17197 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17198 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17199 * tree-nrv.c (tree_nrv): Likewise.
17200 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17201 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17202 (combine_blocks): Likewise.
17203 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17204 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17205 (cleanup_control_flow): Likewise.
17206 (remove_forwarder_block): Likewise.
17207 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17208 * tree-sra.c (sra_replace): Likewise.
17209 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17210 (forward_propagate_single_use_vars): Likewise.
17211 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17212 * tree-inline.c (expand_call_inline): Likewise.
17213 * tree-vect-transform.c (vect_transform_loop): Likewise.
17214 * tree-outof-ssa.c (rewrite_trees): Likewise.
17215 * tree-cfg.c (make_goto_expr_edges): Likewise.
17216 (cleanup_dead_labels): Likewise.
17217 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17218 (bsi_move_before, bsi_move_after): Likewise.
17219 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17220 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17222 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17225 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17227 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17228 on non gimple variables. Also add checks at the top for decls and
17230 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17232 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17233 and IMAGPART_EXPR for creating MUST_DEFs.
17234 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17235 and NAME_MEMORY_TAG separately from the DECLs.
17237 2006-01-06 Richard Guenther <rguenther@suse.de>
17239 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17240 annotation, if necessary.
17241 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17242 redundant calls to update_stmt.
17243 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17246 2006-01-05 Richard Henderson <rth@redhat.com>
17248 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17250 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17252 * c-typeck.c: Update copyright date.
17254 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17256 * c-typeck.c (build_c_cast): Always warn when casting
17257 from a pointer to an integer of different size, even if
17258 the node was constant.
17260 2006-01-05 Richard Guenther <rguenther@suse.de>
17262 PR tree-optimization/22555
17263 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17264 if one structure field is an array.
17265 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17266 operands even if we found a subvar, but ignore VOPs in this
17268 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17270 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17272 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17274 PR middle-end/24998
17275 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17277 2006-01-05 Richard Guenther <rguenther@suse.de>
17278 Diego Novillo <dnovillo@redhat.com>
17280 * tree-pass.h (TODO_remove_unused_locals): Define.
17281 * gimple-low.c (expand_var_p, remove_useless_vars,
17282 pass_remove_useless_vars): Remove. Update all users.
17283 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17284 (remove_unused_locals): New function.
17285 * tree-flow.h (remove_unused_locals): Declare.
17286 * passes.c (execute_todo): Call remove_unused_locals if
17287 TODO_remove_unused_locals is set.
17288 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17289 * tree-ssa-dce.c (pass_dce): Likewise.
17290 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17292 2006-01-05 Richard Guenther <rguenther@suse.de>
17294 * tree-flow.h (struct fieldoff): Decompose field to
17295 type, size and decl.
17296 * tree-ssa-alias.c (create_sft): Take type as parameter.
17297 (create_overlap_variables_for): Store type, size and decl
17298 in the fieldoff structure.
17299 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17300 of struct fieldoff.
17301 (push_fields_onto_fieldstack): Likewise.
17302 (create_variable_info_for): Likewise. Use offset for the
17303 SFT name if the decl is not available.
17305 2006-01-04 Paul Brook <paul@codesourcery.com>
17307 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17309 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17311 * lambda-code.c (can_put_in_inner_loop): Relax
17313 (can_put_after_inner_loop): New function.
17314 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17315 (perfect_nestify): Change to make copies and modify uses.
17317 2006-01-04 Richard Henderson <rth@redhat.com>
17319 Merge from gomp branch:
17320 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17321 via integer constant.
17322 (pragma_lex): Remove.
17323 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17324 rather than parsing it.
17325 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17326 handle_pragma_extern_prefix): Add %< %> quotes.
17327 (registered_pragmas): New.
17328 (c_register_pragma_1): New.
17329 (c_register_pragma): Use it.
17330 (c_register_pragma_with_expansion): Likewise.
17331 (c_invoke_pragma_handler): New.
17332 (init_pragma): Use cpp_register_deferred_pragma directly for
17334 * c-pragma.h (enum pragma_kind): New.
17335 (pragma_handler): New.
17336 (c_invoke_pragma_handler): Declare.
17337 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17339 * c-common.h (c_common_pch_pragma): Update decl.
17340 * Makefile.in (c-parser.o): Update dependencies.
17341 (GTFILES): Add c-pragma.h.
17342 * c-parser.c (struct c_token): Add pragma_kind.
17343 (struct c_parser): Add in_pragma.
17344 (c_lex_one_token): Always initialize keyword and pragma_kind.
17345 Extract data for CPP_PRAGMA.
17346 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17347 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17348 Don't allow CPP_PRAGMA_EOL if in_pragma.
17349 (c_parser_consume_pragma): New.
17350 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17351 (c_parser_skip_to_end_of_parameter): Likewise.
17352 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17353 (c_parser_skip_to_pragma_eol): New.
17354 (c_parser_external_declaration): Handle CPP_PRAGMA.
17355 (c_parser_compound_statement_nostart): Likewise.
17356 (c_parser_statement_after_labels): Likewise.
17357 (c_parser_pragma): New.
17358 (pragma_lex): Likewise.
17359 (c_parser_pragma_pch_preprocess): New.
17360 (c_parser_new): Merge into ...
17361 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17363 2006-01-04 Jeff Law <law@redhat.com>
17366 * tree-cfg.c (bsi_replace): Remove the original statement
17367 from the EH throw statement table.
17369 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17371 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17372 make the prototype extern "C" and add throw ().
17375 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17376 and pos non-negative and pos + len <= 32.
17377 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17378 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17379 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17382 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17383 as well as sizes not multiple of component size.
17386 * function.c (instantiate_expr): New function.
17387 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17388 walk its DECL_VALUE_EXPR with instantiate_expr.
17390 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17391 DW_OP_deref{,_size} if address isn't going to be added.
17393 2006-01-04 Ben Elliston <bje@au.ibm.com>
17395 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17396 * config/fp-bit.c: Likewise.
17398 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17400 * dominance.c: Add comment about why we use DFS numbering
17403 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17404 Richard Henderson <rth@redhat.com>
17406 Merge from gomp-branch:
17407 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17408 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17410 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17412 PR rtl-optimization/25578
17413 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17414 pass a parameter to simplify_shift_const if changing ASHIFTRT
17417 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17419 * builtins.c (get_builtin_sync_mem): New function.
17420 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17421 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17422 Call get_builtin_sync_mem to generate mem rtx.
17424 2006-01-03 Richard Guenther <rguenther@suse.de>
17427 * stmt.c (add_case_node): Make sure to clear overflow flags
17430 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17432 Merge from gomp-branch.
17433 * config/sparc/sync.md: New file.
17434 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17435 UNSPECV_LDSTUB): New constants.
17436 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17437 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17438 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17441 2006-01-03 Roger Sayle <roger@eyesopen.com>
17443 * combine.c (reg_subword_p): New predicate to test whether the
17444 destination of a set refers to a subword/piece of a register.
17445 (try_combine): Generalize the code to merge the setting of a
17446 pseudo to a constant followed by a set of a subword of that
17447 register to a constant.
17449 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17451 * basic-block.h (control_flow_graph): Change the type of
17452 x_label_to_block_map to VEC(basic_block,gc) *.
17453 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17454 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17456 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17457 VEC(basic_block,heap) *.
17458 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17459 ssa_prop_fini): Adjust the uses of cfg_blocks.
17461 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17463 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17465 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17466 hashing trees instead of a pointer hash.
17467 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17468 compare for MEM_EXPR.
17470 PR rtl-optimization/25130
17471 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17472 when comparing MEMs for GCSE
17474 2006-01-03 Ben Elliston <bje@au.ibm.com>
17476 * targhooks.h (default_decimal_float_supported_p): Declare.
17477 * targhooks.c (default_decimal_float_supported_p): Define.
17478 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17479 `default_decimal_float_supported_p'.
17480 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17482 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17484 * combine.c (apply_distributive_law <SUBREG>): Check
17485 TRULY_NOOP_TRUNCATION.
17487 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17489 * dwarf2out.c (have_switched_text_section): Delete.
17490 (have_multiple_function_sections): New.
17491 (have_location_lists): Make 'bool'.
17492 (add_AT_loc_list): Use 'true' not '1'.
17493 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17494 (output_loc_list): Use have_multiple_function_sections.
17495 (output_ranges): Likewise.
17496 (dwarf2out_begin_function): Set have_multiple_function_sections if
17498 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17499 Check function_section rather than DECL_SECTION_NAME.
17500 (dwarf2out_finish): Use have_multiple_function_sections.
17501 Don't clear have_location_lists.
17503 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17504 Jan Hubicka <jh@suse.cz>
17506 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17507 case of conditional jump jumping to the next instruction.
17508 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17509 cases of conditional jump jumping to the next instruction.
17511 2006-01-02 Jan Hubicka <jh@suse.cz>
17513 * i386.c (*_cost): Add COSTS_N_INSNS.
17514 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17516 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17519 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17521 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17523 * config/arm/arm.c (all_fpus): Fix comment typo.
17524 * config/darwin.c: Likewise.
17525 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17526 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17527 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17529 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17531 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17532 (rs6000_split_compare_and_swapqhi): New.
17533 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17534 (sync_compare_and_swapqhi_internal): New.
17535 * config/rs6000/rs6000-protos.h: Declare.