1 2006-11-03 David Ung <davidung@mips.com>
3 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
4 PROCESSOR_24KC and PROCESSOR_24KF.
5 * config/mips/mips.c (mips_cpu_info_table): Add processor names
6 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
7 (mips_rtx_cost_data): Add costs for the 24kc.
8 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
9 * config/mips/24k.md: Remove references to 24k and replace with
10 uses of 24kc/24kf in the appropriate reservations.
11 * doc/invoke.texi (MIPS Options): Updated.
13 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
15 * config/sh/crt1.asm: Fix #ifdef indent.
17 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
18 Merged from STMicroelectronics sources:
19 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
20 * config/sh/crt1.asm (vbr_600): Add missing #if.
21 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
22 * sh.opt (mfused-madd): New option.
23 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
24 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
25 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
26 Remove pointless handler at VBR+0.
27 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
28 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
29 fr7. Make sure the timer handler is called with the correct FPU
30 precision setting, according to the ABI.
31 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
32 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
33 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
34 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
35 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
36 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
37 zero as second operand.
38 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
39 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
40 Fixed some bugs related to negative values, in particular -0
41 and overflow at -0x80000000.
42 * config/sh/divcost-analysis: Added sh4-300 figures.
43 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
44 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
45 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
46 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
47 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
48 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
50 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
52 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
53 SH4-300 scheduling description & fixes to SH4-[12]00 description:
54 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
55 mac_mem, mem_mac, dfp_mul, fp_cmp.
56 (insn_class, dfp_comp, any_fp_comp): Update.
57 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
58 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
60 (movsi_i): Split rI08 alternative into two separate alternatives.
62 (movsi_ie, movsi_i_lowpart): Likewise.
63 (movqi_i): Split ri alternative into two separate alternatives.
65 * sh1.md (sh1_load_store, sh1_fp): Update.
66 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
67 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
68 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
69 (sh4a_fp_double_arith): Likewise.
70 * sh4-300.md: New file.
71 * sh.c (sh_handle_option): Handle m4-300* options.
72 (sh_adjust_cost): Fix latency of auto-increments.
73 Handle SH4-300 differently than other SH4s. Check for new insn types.
74 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
75 been set by an option.
76 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
77 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
78 (mbranch-cost=): Likewise.
79 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
81 * sh.md (mulsf3): Remove special expansion code.
82 (mulsf3_ie): Now a define_insn_and_split.
83 (macsf3): Allow for TARGET_SH4.
85 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
86 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
87 (expand_cbranchdi4): Likewise.
88 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
89 CONST_DOUBLE if the outer code is COMPARE.
90 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
91 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
92 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
93 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
94 Remove redundant fp_{zero,one}_operand checks.
95 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
96 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
97 (expand_cbranchdi4): Likewise.
98 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
99 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
101 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
103 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
106 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
108 * doc/invoke.texi: Fix mfp-trap-mode typo.
110 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
112 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
113 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
114 file_end_indicate_exec_stack.
115 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
117 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
118 for a non-executable stack.
119 * crti.asm: Likewise.
120 * crtn.asm: Likewise.
121 * libunwind.S: Likewise.
123 2006-11-02 Ben Elliston <bje@au.ibm.com>
125 * tree-ssa.c (warn_uninit): Use expand_location variables for
126 locus and declaration locus.
128 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
131 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
132 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
133 cmp{eq,gt,gtu}{si,di}_media.
134 (*cmpne0si_media): Remove.
135 (*movsicc_umin): Adjust gen_cmp*_media call.
136 (unordered): Change the mode of unordered and operands[1] to
138 (seq): Adjust gen_cmp*_media calls. Make the mode of
139 a temporary result of compare SImode if needed. If the mode
140 of operands[0] is DImode, extend the temporary result to DImode.
141 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
142 (sunorderd): Change the mode of match_operand and unorderd to
144 (cmpeq{sf,df}_media): Remove.
145 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
146 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
147 and compare operation to SImode.
149 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
151 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
153 (sparc64-sun-solaris2*): Likewise.
155 2006-11-02 Paul Brook <paul@codesourcery.com>
157 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
158 from priority argument. Use different section for non-default
160 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
162 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
165 * except.c (switch_to_exception_section): Do not cache the section
166 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
167 and flag_function_sections is set.
169 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
172 * builtins.c (do_mpfr_sincos): New.
173 (fold_builtin_1): Use it to fold builtin sincos.
175 2006-11-01 Roger Sayle <roger@eyesopen.com>
177 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
178 it into -D_REENTRANT.
180 2006-11-01 Roger Sayle <roger@eyesopen.com>
182 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
183 whether the assembler supports taking the difference of symbols in
184 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
185 * configure: Regenerate.
186 * config.in: Regenerate.
187 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
188 the assembler doesn't support taking the difference of symbols in
189 different sections, i.e. we're using the native solaris assembler.
191 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
192 Peter Bergner <bergner@vnet.ibm.com>
194 * doc/invoke.texi: Add cpu_type power6x
195 (RS/6000 and PowerPC Options): Add -mmfpgpr.
196 * config.gcc: Add cpu_type power6x.
197 * configure.ac: Add test for mf{t,f}gpr instructions.
198 (HAVE_AS_MFPGPR): New.
199 * config.in: Regenerate.
200 * configure: Regenerate.
201 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
202 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
203 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
204 and mftgpr attributes.
205 (define_attr "cpu"): Add power6.
206 Change instruction sequences to use new attributes.
207 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
208 (fix_truncdfsi2_mfpgpr): New.
209 (floatsidf_ppc64_mfpgpr): New.
210 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
211 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
212 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
213 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
214 (fix_truncdfsi2): Use gpc_reg_operand constraint.
215 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
216 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
217 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
218 cntlz,exts and var_delayed_compare.
219 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
220 _ARCH_PWR6X, if features enabled.
221 * config/rs6000/rs6000.opt (mmfpgpr): New.
222 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
223 (cached_can_issue_more): New variable.
224 (processor_costs): Add power6_cost.
225 (rs6000_sched_init): New function.
226 (is_dispatch_slot_restricted): Deleted.
227 (set_to_load_agen): New function.
228 (is_load_insn,is_store_insn): New functions.
229 (adjacent_mem_locations): New function.
230 (insn_must_be_first_in_group): New function.
231 (insn_must_be_last_in_group): New function.
232 (rs6000_sched_reorder): New function.
233 (rs6000_sched_reorder2): New function.
234 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
235 TARGET_SCHED_REORDER2): Define.
236 (processor_target_table): Use PROCESSOR_POWER6 for power6.
237 Add power6x. Add MASK_MFPGPR for power6x.
238 (POWERPC_MASKS): Add MASK_MFPGPR.
239 (rs6000_override_options): Set rs6000_always_hint to false
240 for power6. Set rs6000_align_branch_targets. Replace
241 rs6000_sched_groups check with rs6000_align_branch_targets.
242 Use PROCESSOR_POWER6.
243 (last_scheduled_insn): New variable.
244 (load_store_pendulum): New variable.
245 (rs6000_variable_issue): Set last_scheduled_insn and
246 cached_can_issue_more.
247 (rs6000_adjust_cost): Add power6 cost adjustments.
248 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
249 with insn_must_be_first_in_group. Add power6 priority adjustments.
250 (rs6000_issue_rate): Add CPU_POWER6.
251 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
252 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
253 (TARGET_MFPGPR): New.
254 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
255 (ASM_CPU_SPEC): Add power6x.
256 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
258 * config/rs6000/power6.md: New file.
260 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
262 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
263 HOST_WIDE_INT_PRINT to print high and low parts. Use
264 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
265 printing a hexadecimal number prefix it with 0x.
267 2006-11-01 Chris Johns <chris@contemporary.net.au>
270 * Makefile.in (install-driver): Use exeext when installing
271 $target-gcc-$version.
273 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
275 * c-common.c (flag_cpp0x): New.
276 * c-common.h (flag_cpp0x): New.
277 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
278 supported, define __GXX_EXPERIMENTAL_CPP0X__.
279 * c-opts.c (set_std_cxx0x): New.
280 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
281 * c.opt (std=c++0x): Document.
282 (std=gnu++0x): Ditto.
283 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
284 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
286 2006-11-01 Richard Guenther <rguenther@suse.de>
288 * config/i386/i386.c (ix86_expand_rint): Fix issues with
290 (ix86_expand_floorceildf_32): Likewise.
291 (ix86_expand_floorceil): Likewise.
292 (ix86_expand_trunc): Likewise.
294 2006-10-31 Andrew Pinski <pinskia@gmail.com>
296 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
299 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
301 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
303 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
305 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
307 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
308 * configure.ac (use_cxa_atexit): As a special case, don't test
309 for libc definition of __cxa_atexit on mingw32
310 * configure: Regenerate.
311 * config.gcc (i[34567]86-pc-mingw32): Default to
312 enable__cxa_atexit=yes.
314 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
316 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
318 2006-10-31 Geoffrey Keating <geoffk@apple.com>
321 * c-decl.c (start_struct): Don't create self-containing
323 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
325 * config/rs6000/rs6000-protos.h
326 (darwin_rs6000_special_round_type_align): New.
327 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
328 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
330 2006-10-31 Geoffrey Keating <geoffk@apple.com>
332 * toplev.c (compile_file): Call final_write_globals
333 even if there have been errors.
335 2006-10-31 Eric Christopher <echristo@apple.com>
336 Falk Hueffner <falk@debian.org>
338 * doc/extend.texi (__builtin_bswap32): Document.
339 (__builtin_bswap64): Ditto.
340 * doc/libgcc.texi (bswapsi2): Document.
342 * doc/rtl.texi (bswap): Document.
343 * optabs.c (expand_unop): Don't widen a bswap.
344 (init_optabs): Init bswap. Set libfuncs explicitly
345 for bswapsi2 and bswapdi2.
346 * optabs.h (OTI_bswap): New.
347 (bswap_optab): Ditto.
348 * genopinit.c (optabs): Handle bswap_optab.
349 * tree.h (tree_index): Add TI_UINT32_TYPE and
351 (uint32_type_node): New.
352 (uint64_type_node): Ditto.
353 * tree.c (build_common_tree_nodes_2): Initialize
354 uint32_type_node and uint64_type_node.
355 * builtins.c (expand_builtin_bswap): New.
356 (expand_builtin): Call.
357 (fold_builtin_bswap): New.
358 (fold_builtin_1): Call.
359 * fold-const.c (tree_expr_nonnegative_p): Return true
361 * builtin-types.def (BT_UINT32): New.
363 (BT_FN_UINT32_UINT32): Ditto.
364 (BT_FN_UINT64_UINT64): Ditto.
365 * builtins.def (BUILT_IN_BSWAP32): New.
366 (BUILT_IN_BSWAP64): Ditto.
367 * rtl.def (BSWAP): New.
368 * genattrtab.c (check_attr_value): New.
369 * libgcc2.c (__bswapSI2): New.
371 * libgcc2.h (__bswapSI2): Declare.
373 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
374 * simplify-rtx.c (simplify_const_unary_operation): Return
376 * libgcc-std.ver (__bwapsi2): Add.
378 * reload1.c (eliminate_regs_1): Add bswap.
379 (elimination_effects): Ditto.
380 * config/i386/i386.h (x86_bswap): New.
382 * config/i386/i386.c (x86_bswap): Set.
384 2006-10-31 Geoffrey Keating <geoffk@apple.com>
386 * coverage.c (coverage_checksum_string): Update comment.
387 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
388 of get_file_function_name.
389 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
390 of get_file_function_name_long.
391 * tree.c (get_file_function_name): Rename from
392 get_file_function_name_long; improve comment; handle 'I' and 'D'
393 specially when the target has ctor/dtor support; remove special
395 (get_file_function_name): Remove.
396 * tree.h (get_file_function_name): Rename from
397 get_file_function_name_long.
398 (get_file_function_name): Remove prototype.
400 2006-10-31 Geoffrey Keating <geoffk@apple.com>
402 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
403 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
405 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
406 Call dsymutil when compiling and linking one or more source files
409 2006-10-31 Geoffrey Keating <geoffk@apple.com>
412 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
414 2006-10-31 Geoffrey Keating <geoffk@apple.com>
416 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
417 inline static functions in c99 mode.
420 * doc/extend.texi (Inline): Update.
421 * c-tree.h (struct language_function): Remove field 'extern_inline'.
422 * c-decl.c (current_extern_inline): Delete.
423 (pop_scope): Adjust test for an undefined nested function.
424 Add warning about undeclared inline function.
425 (diagnose_mismatched_decls): Update comments. Disallow overriding
426 of inline functions in a translation unit in C99. Allow inline
427 declarations in C99 at any time.
428 (merge_decls): Boolize variables. Handle C99 'extern inline'
430 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
431 C99 inline semantics.
432 (start_function): Don't clear current_extern_inline. Don't set
434 (c_push_function_context): Don't push current_extern_inline.
435 (c_pop_function_context): Don't restore current_extern_inline.
438 * c-typeck.c (build_external_ref): Warn about static variables
439 used in extern inline functions.
440 * c-decl.c (start_decl): Warn about static variables declared
441 in extern inline functions.
443 2006-10-31 Roger Sayle <roger@eyesopen.com>
446 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
447 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
448 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
449 or y is an even integer.
451 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
454 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
455 * gthr-posix95.h (__gthread_active_p): Likewise.
457 2006-10-31 Richard Guenther <rguenther@suse.de>
459 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
460 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
461 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
462 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
463 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
464 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
465 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
466 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
469 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
471 * opts.c (decode_options): Disable CSE skip blocks.
473 2006-10-30 Dirk Mueller <dmueller@suse.de>
475 * c-common.h (strict_aliasing_warning): Fix whitespace.
476 * c-decl (start_function): Move code for main decl warning ..
477 * c-common.c (check_main_parameter_types): .. here.
478 * c-common.h (check_main_parameter_types): Declare.
480 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
483 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
485 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
487 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
488 be a PARALLEL containing sets. Return false when out_pat is not
491 2006-10-30 Richard Sandiford <richard@codesourcery.com>
493 * config/mips/mips.md (mul<mode>3): Split into...
494 (mulsi3, muldi3): ...these separate patterns.
496 2006-10-30 Richard Sandiford <richard@codesourcery.com>
498 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
499 but with each set of options separated by spaces.
501 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
503 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
504 dwarf_reg_size_table has been initialized.
506 2006-10-30 Roger Sayle <roger@eyesopen.com>
508 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
509 * ddg.c (print_ddg_edge): Likewise.
510 * dwarf2out.c (prune_unused_types_walk): Likewise.
511 * ifcvt.c (noce_try_cmove_arith): Likewise.
512 * langhooks.c (add_builtin_function): Likewise.
513 * reg-stack.c (subst_stack_regs_pat): Likewise.
514 * tree.c (expanded_location): Likewise.
515 * tree-dump.c (dequeue_and_dump): Likewise.
517 2006-10-30 David Daney <ddaney@avtrex.com>
519 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
521 2006-10-30 Jakub Jelinek <jakub@redhat.com>
523 PR tree-optimization/29637
524 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
525 of the innertype is the innertype itself.
527 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
529 * dwarf2out.c (file_name_acquire): Correct typo.
531 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
533 * tree.h (tree_value_handle): Remove struct value_set declaration.
534 Change value_set to bitmap_set.
535 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
536 * tree-vn.c (get_value_handle): Made inline and moved to
538 * tree-flow-inline.h: (has_stmt_ann): New function.
539 * tree-ssa-pre.c (expressions): New variable.
540 (next_expression_id): Ditto.
541 (alloc_expression_id): New function.
542 (struct value_set): Remove.
543 (get_expression_id): New function.
544 (get_or_alloc_expression_id): Ditto.
545 (expression_for_id): Ditto.
546 (clear_expression_ids): Ditto.
547 (FOR_EACH_EXPR_ID_IN_SET): New macro.
548 (bb_value_sets): Renamed to bb_bitmap_sets.
549 All value sets replaced with bitmap_sets.
551 (BB_VISITED): New macro.
552 (postorder): New variable.
553 (add_to_value): Removed.
554 (value_exists_in_set_bitmap): Ditto.
555 (value_insert_into_set_bitmap): Ditto.
559 (set_contains_value): Ditto.
560 (insert_into_set): Ditto.
562 (find_leader): Ditto.
563 (bitmap_set_subtract_from_value_set): Ditto.
564 (value_insert_into_set): Ditto.
565 (print_value_set): Ditto.
566 (debug_value_set): Ditto.
567 (constant_expr_p): New function.
568 (bitmap_remove_from_set): Ditto.
569 (bitmap_insert_into_set): Ditto.
570 (bitmap_set_free): Ditto.
572 (sorted_array_from_bitmap_set): Ditto.
573 (bitmap_set_subtract): Ditto.
574 (bitmap_set_equal): Ditto.
575 (debug_bitmap_set): Ditto.
576 (find_leader_in_sets): Ditto.
577 (bitmap_set_replace_value): Modify for bitmapped sets.
578 (phi_translate): Ditto.
579 (phi_translate_set): Ditto.
580 (bitmap_find_leader): Ditto.
581 (valid_in_sets): Ditto.
582 (union_contains_value): Ditto.
584 (compute_antic_aux): Ditto. Mark changed blocks.
585 (compute_antic): Ditto. Iterate in postorder and only over
587 (compute_rvuse_and_antic_safe): Reuse postorder.
588 (create_component_ref_by_pieces): Modify for bitmapped sets.
589 (find_or_generate_expression): Ditto.
590 (create_expression_by_pieces): Ditto.
591 (insert_into_preds_of_block): Ditto.
592 (changed_blocks): New variable.
593 (do_regular_insertion): Broken out from insert_aux.
594 (insert_aux): Modified for bitmapped sets.
595 (find_existing_value_expr): New function.
596 (create_value_expr_from): Use it.
597 (insert_extra_phis): Removed.
598 (print_bitmap_set): Renamed from bitmap_print_value_set.
599 (compute_avail): Handle RETURN_EXPR.
600 (init_pre): Modify for bitmapped sets.
601 * tree-flow.h (has_stmt_ann): New function.
603 2006-10-29 Roger Sayle <roger@eyesopen.com>
605 * builtins.c (fold_builtin_floor): Check for the availability of
606 the C99 trunc function before transforming floor into trunc.
608 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
610 * builtins.c (fold_builtin_hypot): Rearrange recursive
611 transformation before others, and also do ABS_EXPR. When
612 necessary, check flag_unsafe_math_optimizations. When necessary,
615 2006-10-29 Roger Sayle <roger@eyesopen.com>
617 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
618 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
619 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
620 Fold -X eq/ne -Y as X eq/ne Y.
622 2006-10-29 Richard Sandiford <richard@codesourcery.com>
624 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
625 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
626 rather than GENERATE_MULT3_SI in the various define_peephole2s.
627 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
628 Use an inclusive test for "mult" rather than "mul".
629 (rotr<mode>3): Depend on ISA_HAS_ROR.
630 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
632 (GENERATE_MULT3_DI): Delete.
633 (ISA_HAS_64BIT_REGS): Use consistent formatting.
634 (ISA_HAS_MUL3): New macro.
635 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
636 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
637 (ISA_HAS_CLZ_CLO): Likewise.
638 (ISA_HAS_DCLZ_DCLO): Delete.
639 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
640 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
641 the VR4120 and VR4130.
642 (ISA_HAS_MACCHI): Use consistent formatting.
643 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
644 (ISA_HAS_ROR): ...this new macro.
645 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
646 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
647 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
649 2006-10-29 Roger Sayle <roger@eyesopen.com>
651 PR tree-optimization/15458
652 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
655 2006-10-29 Richard Guenther <rguenther@suse.de>
657 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
658 (ix86_expand_truncdf_32): Likewise.
659 * config/i386/i386.c (ix86_expand_trunc): New function expanding
660 trunc inline for SSE math and -fno-trapping-math and if not
662 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
663 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
664 for expanding btrunc inline for SSE math.
666 2006-10-29 Joseph Myers <joseph@codesourcery.com>
668 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
669 Handle tuning for bi-arch i[34567]86-*-linux* like that for
670 i[34567]86-*-solaris2.1[0-9]*.
671 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
672 Define conditionally depending on TARGET_64BIT_DEFAULT.
673 (SPEC_32, SPEC_64): Define.
674 (LINK_SPEC): Use them.
675 * doc/install.texi (--enable-targets=all): Document for x86-linux.
677 2006-10-29 Richard Guenther <rguenther@suse.de>
679 * config/i386/i386-protos.h (ix86_expand_round): Declare.
680 (ix86_expand_rounddf_32): Likewise.
681 * config/i386/i386.c (ix86_expand_round): New function expanding
682 round inline for SSE math and -fno-trapping-math and if not
684 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
685 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
686 round via ix86_expand_round.
688 2006-10-29 Richard Guenther <rguenther@suse.de>
690 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
691 (ix86_expand_floorceildf_32): Likewise.
692 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
693 static helper function.
694 (ix86_expand_floorceil): Expander for floor and ceil to SSE
696 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
697 * config/i386/i386.md (floordf2): Adjust to enable floor
698 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
699 -fno-trapping-math is enabled and if not optimizing for size.
700 (floorsf2, ceildf2, ceilsf2): Likewise.
701 * config/i386/sse.md (sse_maskcmpsf3): New insn.
702 (sse2_maskcmpdf3): Likewise.
704 2006-10-29 Richard Guenther <rguenther@suse.de>
706 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
707 rint in case -fno-trapping-math is enabled.
708 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
709 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
710 (ix86_expand_sse_fabs): Likewise.
711 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
712 * config/i386/i386.md (rintdf2): Enable for SSE math if
713 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
716 2006-10-29 Richard Guenther <rguenther@suse.de>
718 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
719 to conversion optabs.
720 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
722 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
723 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
724 (lfloor_optab, lceil_optab): Adjust defines.
725 * builtins.c (expand_builtin_int_roundingfn): Adjust for
726 lfloor and lceil optabs now being conversion optabs.
727 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
728 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
729 New static helper function.
730 (ix86_expand_lfloorceil): New function to expand lfloor and
732 * config/i386/i386.md (lfloor<mode>2): Split into ...
733 (lfloorxf<mode>2): ... x87 variant
734 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
735 using ix86_expand_lfloorceil.
736 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
738 * doc/md.texi (lfloorMN, lceilMN): Document.
740 2006-10-29 Richard Sandiford <richard@codesourcery.com>
742 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
743 -mno-shared assembler option on mips targets.
744 * configure, config.in: Regenerate.
745 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
746 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
747 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
749 2006-10-29 Richard Sandiford <richard@codesourcery.com>
751 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
752 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
754 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
756 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
757 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
760 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
763 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
764 (fold_builtin_pow): Evaluate constant arguments at compile-time
766 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
767 (do_mpfr_ckconv): New helper function.
768 (do_mpfr_arg1): Use do_mpfr_ckconv.
771 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
774 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
775 (-fdump-rtl-sched): Rename to ..
776 (-fdump-rtl-sched1): here. Also fix file extension number.
778 2006-10-28 Richard Guenther <rguenther@suse.de>
780 * fold-const.c (maybe_canonicalize_comparison): Fix code
783 2006-10-28 Uros Bizjak <uros@kss-loka.si>
785 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
786 (NON_QI_REG_P): Use IN_RANGE.
787 (REX_INT_REGNO_P): Use IN_RANGE.
788 (FP_REGNO_P): Use IN_RANGE.
789 (SSE_REGNO_P): Use IN_RANGE.
790 (REX_SSE_REGNO_P): Use IN_RANGE.
791 (MMX_REGNO_P): Use IN_RANGE.
792 (STACK_REGNO_P): New macro.
793 (STACK_REG_P): Use STACK_REGNO_P.
794 (NON_STACK_REG_P): Use STACK_REGNO_P.
795 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
796 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
797 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
798 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
799 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
801 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
803 * except.h (output_function_exception_table): Add 'const char*' param.
804 * except.c (switch_to_exception_section): Add 'const char*' param.
805 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
806 and flag_function_sections is set, use a function-specific section.
807 (output_function_exception_table): Add 'const char*' param.
808 Adjust call to switch_to_exception_section.
809 * final.c (rest_of_handle_final): Adjust calls to
810 output_function_exception_table.
811 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
812 * config.in: Regenerate.
813 * configure: Likewise.
815 2006-10-28 Richard Guenther <rguenther@suse.de>
818 * fold-const.c (maybe_canonicalize_comparison_1): Helper
819 for maybe_canonicalize_comparison.
820 (maybe_canonicalize_comparison): New function for canonicalizing
822 (fold_comparison): Call it to canonicalize comparisons with
825 2006-10-28 Richard Guenther <rguenther@suse.de>
828 * builtins.c (expand_builtin_int_roundingfn_2): Expand
829 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
830 (expand_builtin): Adjust likewise.
831 * genopinit.c (optabs[]): Add lround optab.
832 * optabs.c (init_optabs): Initialize lround_optab.
833 * optabs.h (enum convert_optab_index): Add COI_lround.
834 (lround_optab): Define.
835 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
836 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
838 (ix86_expand_lround): New function.
839 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
841 * doc/md.texi (lroundMN2): Document.
843 2006-10-28 Uros Bizjak <uros@kss-loka.si>
846 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
847 argument to HOST_WIDE_INT. Update function prototype.
848 (round_frame_size): Change return type to HOST_WIDE_INT. Change
849 "size" argument to HOST_WIDE_INT. Update function prototype.
851 2006-10-28 Uros Bizjak <uros@kss-loka.si>
853 * config/i386/i386.c (output_387_ffreep): Create output from a
854 template string for !HAVE_AS_IX86_FFREEP.
856 2006-10-27 Eric Christopher <echristo@apple.com>
858 * config/darwin.c: Fix formatting and grammar.
860 2006-10-27 Jan Hubicka <jh@suse.cz>
862 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
863 to be thrown away soon when IGNORE is set.
864 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
865 indicating when return value shall not be computed.
866 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
868 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
870 * config/i386/i386.h (TARGET_GEODE):
871 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
872 (TARGET_CPU_DEFAULT_geode): New macro.
873 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
874 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
875 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
876 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
877 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
879 (TARGET_CPU_DEFAULT_NAMES): Add geode.
880 (processor_type): Add PROCESSOR_GEODE.
882 * config/i386/i386.md: Include geode.md.
885 * config/i386/i386.c (geode_cost): New initialized global
887 (m_GEODE, m_K6_GEODE): New macros.
888 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
889 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
890 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
891 x86_schedule): Use m_K6_GEODE instead of m_K6.
892 (x86_movx, x86_cmove): Set up m_GEODE.
893 (x86_integer_DFmode_moves): Clear m_GEODE.
894 (processor_target_table): Add entry for geode.
895 (processor_alias_table): Ditto.
897 * config/i386/geode.md: New file.
899 * doc/invoke.texi: Add entry about geode processor.
901 2006-10-27 Mike Stump <mrs@apple.com>
903 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
904 __DYNAMIC__ from here back to ...
905 * config/darwin.h (CPP_SPEC): ... here.
907 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
908 Nathan Sidwell <nathan@codesourcery.com>
910 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
911 when choosing the minimum heapsize.
913 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
915 * gcc/unwind-dw2.h: Move cfa-related variables into
916 struct frame_state_reg_info to ensure that the CFA is properly
917 handled when executing DW_CFA_{remember,restore}_state.
918 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
919 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
920 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
921 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
922 gcc/config/rs6000/linux-unwind.h,
923 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
924 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
925 Modify to use new cfa_* fields.
927 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
929 * config/s390/s390.c (s390_init_frame_layout): Check positive
932 2006-10-26 Ben Elliston <bje@au.ibm.com>
934 * gimplify.c (get_name): Remove extraneous break.
935 (gimplify_omp_for): Initialise ret with GS_OK.
937 2006-10-25 Steve Ellcey <sje@cup.hp.com>
939 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
940 Add unix98.o to link line.
942 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
945 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
946 Calculate compile-time constants using MPFR.
947 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
948 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
950 2006-10-25 Bob Wilson <bob.wilson@acm.org>
952 * config/xtensa/lib2funcs.S: Use C-style comments.
954 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
956 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
957 (file_table_relative_p): Likewise.
958 (dwarf2out_finish): Likewise.
959 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
961 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
963 * tree-ssa-structalias.c (intra_create_variable_infos):
964 Don't recreate nonlocal_all if it already exists.
966 2006-10-25 Richard Guenther <rguenther@suse.de>
969 * optabs.h (enum optab_index): Remove OTI_lrint.
970 (enum convert_optab_index): Add COI_lrint.
971 (lrint_optab): Adjust.
972 (expand_sfix_optab): Declare.
973 * optabs.c (expand_sfix_optab): New function.
974 (init_optabs): Init lrint_optab as conversion optab.
975 * genopinit.c (lrint_optab): Change to a conversion optab.
976 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
977 expansion via conversion optab.
978 * config/i386/i386.md (*fistdi2_1): Remove
979 flag_unsafe_math_optimizations guard.
980 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
981 fist<mode>2_with_temp): Likewise.
982 (lrint<mode>2): Split into...
983 (lrintxf<mode>2): ... x87 part
984 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
985 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
986 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
987 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
988 * doc/md.texi (lrintMN2): Document.
990 2006-10-25 Uros Bizjak <uros@kss-loka.si>
993 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
994 Use inc and dec instructions for TARGET_USE_INCDEC.
995 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
996 ("sync_double_compare_and_swap<mode>"): Likewise.
997 ("*sync_double_compare_and_swapdi_pic"): Likewise.
998 ("*sync_compare_and_swap_cc<mode>"): Likewise.
999 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1000 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1001 ("sync_old_add<mode>"): Likewise.
1002 ("sync_lock_test_and_set<mode>"): Likewise.
1003 ("sync_lock_test_and_set<mode>"): Likewise.
1004 ("sync_add<mode>"): Likewise.
1005 ("sync_sub<mode>"): Likewise.
1006 ("sync_ior<mode>"): Likewise.
1007 ("sync_and<mode>"): Likewise.
1008 ("sync_xor<mode>"): Likewise.
1010 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1012 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1013 (remainder_optab): Define corresponding macro.
1014 (drem_optab): Remove.
1015 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1016 drem_optab initialization.
1017 * genopinit.c (optabs): Implement remainder_optab using
1018 remainder?f3 patterns. Remove drem_optab.
1019 * builtins.c (expand_builtin_mathfn_2): Handle
1020 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1021 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1022 expand_builtin_mathfn_2.
1024 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1025 depend on flag_unsafe_math_optimizations.
1027 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1028 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1029 Do not depend on flag_unsafe_math_optimizations. Use
1030 truncxf?f expander instead of truncxf?f_i387_noop.
1032 ("fpremxf4", "fprem1xf4"): Do not depend on
1033 flag_unsafe_math_optimizations.
1034 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1035 flag_unsafe_math_optimizations. Use truncxf?f expander
1036 instead of truncxf?f_i387_noop.
1038 * doc/md.texi (fmod, remainder): Document standard named pattern.
1040 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1041 David Daney <ddaney@avtrex.com>
1044 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1046 2006-10-25 Ben Elliston <bje@au.ibm.com>
1048 * doc/extend.texi (Variable Attributes): Typo fix.
1050 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1052 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1053 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1054 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1055 (FRAME_POINTER_REGNUM): Update register number to 21.
1056 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1057 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1059 * config/i386/i386.c (regclass_map): Add fpcr entry.
1060 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1062 (print_reg): Assert REGNO (x) != FPCR_REG.
1064 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1065 (DIRFLAG_REG): Renumber.
1066 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1067 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1068 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1069 hardcoded SSE register numbers.
1071 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1072 hardcoded MMX register numbers.
1074 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1077 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1078 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1080 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1081 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1082 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1083 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1085 2006-10-24 Richard Guenther <rguenther@suse.de>
1088 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1089 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1090 for deciding optimizations in consistency with fold-const.c
1091 (fold_builtin_unordered_cmp): Likewise.
1093 2006-10-24 Richard Guenther <rguenther@suse.de>
1095 * builtins.c (fold_builtin_floor): Fold floor (x) where
1096 x is nonnegative to trunc (x).
1097 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1098 nonnegative to FIX_TRUNC_EXPR.
1100 2006-10-24 Richard Guenther <rguenther@suse.de>
1102 PR tree-optimization/29567
1103 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1104 for TRUTH_NOT_EXPR. Clarify comments.
1106 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1109 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1110 at compile-time using MPFR. Change parameter VALUE to FUNC,
1112 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1113 for overflow and underflow at all times and avoid folding in
1116 2006-10-24 Ben Elliston <bje@au.ibm.com>
1118 * reload1.c: Formatting fixes.
1120 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1122 PR tree-optimization/14784
1123 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1124 * tree-ssa-structalias.c (get_constraint_for,
1125 intra_create_variable_infos): Set is_heapvar.
1126 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1127 non-heapvar pointer variables specially.
1129 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1132 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1133 fold_builtin_tan): Fold all constant arguments. Take a "type"
1134 argument as necessary.
1135 (do_mpfr_arg1): New.
1136 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1138 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1140 * config/xtensa/lib1funcs.asm: Use C-style comments.
1142 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1144 * tree.c (local_define_builtin): Replace calls to
1145 lang_hooks.builtin_function with add_builtin_function.
1146 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1148 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1150 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1151 common code to add_builtin_function.
1152 * langhooks.c (add_builtin_function): New function.
1153 (lhd_builtin_function): New function.
1154 * langhooks.h (struct lang_hooks): Change the signature of
1156 (add_builtin_function): New function.
1157 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1158 calls to lang_hooks.builtin_function with add_builtin_function.
1159 * c-common.c (decl_builtin_1): Replace calls to
1160 lang_hooks.builtin_function with add_builtin_function.
1161 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1162 lang_hooks.builtin_function with add_builtin_function.
1163 * config/frv/frv.c (def_builtin): Replace calls to
1164 lang_hooks.builtin_function with add_builtin_function.
1165 * config/s390/s390.c (s390_init_builtins): Replace calls to
1166 lang_hooks.builtin_function with add_builtin_function.
1167 * config/sparc/sparc.c (def_builtin): Replace calls to
1168 lang_hooks.builtin_function with add_builtin_function.
1169 * config/i386/i386.c (def_builtin): Replace calls to
1170 lang_hooks.builtin_function with add_builtin_function.
1171 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1172 lang_hooks.builtin_function with add_builtin_function.
1173 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1174 lang_hooks.builtin_function with add_builtin_function.
1175 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1176 Replace calls to lang_hooks.builtin_function with
1177 add_builtin_function.
1178 * config/iq2000/iq2000.c (def_builtin):
1179 Replace calls to lang_hooks.builtin_function with
1180 add_builtin_function.
1181 * config/ia64/ia64.c (def_builtin): Replace calls to
1182 lang_hooks.builtin_function with add_builtin_function.
1183 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1184 lang_hooks.builtin_function with add_builtin_function.
1185 (altivec_init_builtins): Replace calls to
1186 lang_hooks.builtin_function with add_builtin_function.
1187 * config/arm/arm.c (def_mbuiltin): Replace calls to
1188 lang_hooks.builtin_function with add_builtin_function.
1189 (arm_init_tls_builtins): Replace calls to
1190 lang_hooks.builtin_function with add_builtin_function.
1191 * config/mips/mips.c (mips_init_builtins): Replace calls to
1192 lang_hooks.builtin_function with add_builtin_function.
1193 * config/bfin/bfin.c (def_builtin): Replace calls to
1194 lang_hooks.builtin_function with add_builtin_function.
1195 * langhooks-def.h (lhd_builtin_function): New function.
1196 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1198 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1200 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1201 BUILT_IN_STRNCAT_CHK.
1203 2006-10-23 Jan Hubicka <jh@suse.cz>
1205 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1206 don't do conversion from memmove to memcpy here.
1207 (expand_builtin_bcopy, expand_builtin): Update call of
1208 expand_builtin_memmove.
1209 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1211 2006-10-23 Paul Brook <paul@codesourcery.com>
1213 * stor-layout.c (start_record_layout): maximum_field_alignment
1214 overrides STRUCTURE_SIZE_BOUNDARY.
1216 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1218 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1219 nonlocal function symbols if flag_pic.
1221 2006-10-23 Richard Guenther <rguenther@suse.de>
1225 * builtins.c (fold_binary): Remove checks for flag_wrapv
1226 and flag_trapv where negate_expr_p covers these cases.
1228 2006-10-23 Richard Guenther <rguenther@suse.de>
1231 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1232 of two on the absolute value.
1233 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1234 and negating -C does not overflow.
1236 2006-10-23 Richard Guenther <rguenther@suse.de>
1239 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1240 only if not flag_rounding_math.
1242 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1243 Kaz Kojima <kkojima@gcc.gnu.org>
1246 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1247 SImode memory reference for the source of a movua.
1248 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1249 (movua): Use an unspec instead of sign_extract. Expect the source
1250 to have mode BLKmode.
1251 (extv, insv): Use a BLKmode rather than SImode memory reference
1252 for the source of a movua.
1254 2006-10-22 Jeff Law <law@redhat.com>
1255 Richard Guenther <rguenther@suse.de>
1257 PR tree-optimization/15911
1258 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1259 (register_edge_assert_for_1): Likewise.
1260 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1261 (find_conditional_asserts): Adjust for new function signature.
1262 (find_assert_locations): Likewise.
1264 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1266 * config/i386/tmmintrin.h: Remove the duplicated content.
1268 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1270 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1271 (x86_64-*-*): Likewise.
1273 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1274 (override_options): Check SSSE3.
1275 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1276 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1277 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1278 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1279 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1280 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1281 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1282 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1283 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1284 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1285 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1286 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1287 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1288 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1289 IX86_BUILTIN_PABSD128.
1290 (bdesc_2arg): Add SSSE3.
1291 (bdesc_1arg): Likewise.
1292 (ix86_init_mmx_sse_builtins): Support SSSE3.
1293 (ix86_expand_builtin): Likewise.
1294 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1296 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1297 (UNSPEC_PSIGN): Likewise.
1298 (UNSPEC_PALIGNR): Likewise.
1299 Include mmx.md before sse.md.
1301 * config/i386/i386.opt: Add -mssse3.
1303 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1304 (ssse3_phaddwv4hi3): Likewise.
1305 (ssse3_phadddv4si3): Likewise.
1306 (ssse3_phadddv2si3): Likewise.
1307 (ssse3_phaddswv8hi3): Likewise.
1308 (ssse3_phaddswv4hi3): Likewise.
1309 (ssse3_phsubwv8hi3): Likewise.
1310 (ssse3_phsubwv4hi3): Likewise.
1311 (ssse3_phsubdv4si3): Likewise.
1312 (ssse3_phsubdv2si3): Likewise.
1313 (ssse3_phsubswv8hi3): Likewise.
1314 (ssse3_phsubswv4hi3): Likewise.
1315 (ssse3_pmaddubswv8hi3): Likewise.
1316 (ssse3_pmaddubswv4hi3): Likewise.
1317 (ssse3_pmulhrswv8hi3): Likewise.
1318 (ssse3_pmulhrswv4hi3): Likewise.
1319 (ssse3_pshufbv16qi3): Likewise.
1320 (ssse3_pshufbv8qi3): Likewise.
1321 (ssse3_psign<mode>3): Likewise.
1322 (ssse3_psign<mode>3): Likewise.
1323 (ssse3_palignrti): Likewise.
1324 (ssse3_palignrdi): Likewise.
1325 (abs<mode>2): Likewise.
1326 (abs<mode>2): Likewise.
1328 * config/i386/tmmintrin.h: New file.
1330 * doc/extend.texi: Document SSSE3 built-in functions.
1332 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1334 2006-10-22 Ira Rosen <irar@il.ibm.com>
1336 * tree-vect-transform.c (vectorizable_load): Use the type of the
1337 return value of the mask_for_load builtin to create realign_load
1340 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1342 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1345 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1347 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1348 (UNSPEC_LDDQU): This.
1349 * config/i386/sse.md (sse3_lddqu): Updated.
1351 2006-10-21 Richard Guenther <rguenther@suse.de>
1353 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1354 (expand_builtin): Use it to expand lrint instead of
1355 expand_builtin_mathfn.
1357 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1360 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1361 flag_unsafe_math_optimizations is set.
1363 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1366 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1367 patterns to use memory input operand in x87->mem->XMM
1368 reload sequences. Skip transformation for TARGET_K8.
1370 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1372 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1373 force operand1 to register if both operands are memory operands.
1374 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1375 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1376 if both operands are memory operands.
1377 (truncdfsf2): Do not force operand1 to register if both operands
1378 are memory operands.
1380 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1382 * Makefile.in (LIBS): Add $(GMPLIBS).
1383 * doc/install.texi: Update GMP and MPFR requirements.
1384 * doc/sourcebuild.texi (need_gmp): Delete.
1386 2006-10-21 Richard Guenther <rguenther@suse.de>
1388 PR tree-optimization/3511
1389 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1390 got new invariant arguments during PHI translation.
1392 2006-10-21 Richard Guenther <rguenther@suse.de>
1395 * fold-const.c (fold_comparison): Fold signed comparisons
1396 of the form X +- C1 CMP Y +- C2.
1398 2006-10-21 Richard Guenther <rguenther@suse.de>
1401 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1402 if flag_unsafe_math_optimizations is specified. We have
1403 flag_finite_math_only for that.
1404 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1405 or flag_unsafe_math_optimizations.
1407 2006-10-21 Richard Guenther <rguenther@suse.de>
1409 * builtins.c (fold_builtin_classify): Fix typo.
1411 2006-10-21 Richard Guenther <rguenther@suse.de>
1414 * simplify-rtx.c (simplify_const_relational_operation):
1415 Do not constant-fold ORDERED and UNORDERED for
1416 flag_unsafe_math_optimizations but only we do not need to
1417 honor NaNs for the given mode.
1419 2006-10-21 Richard Guenther <rguenther@suse.de>
1422 * config/i386/i386.c (classify_argument): Remove redundant
1423 walking of the BINFOs.
1424 (contains_128bit_aligned_vector_p): Likewise.
1426 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1428 * BASE-VER: Set to 4.3.0.
1430 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1432 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1433 (tree_decl_with_vis): Remove artificial_pta_var flag.
1434 * tree-flow.h (referenced_var_check_and_insert): Expose.
1435 (nonlocal_all): New prototype.
1436 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1437 (nonlocal_all): Make global.
1438 (nonlocal_lookup): Remove.
1439 (nonlocal_insert): Ditto.
1440 (create_nonlocal_var): Do not call nonlocal_insert.
1441 (get_nonlocal_id_for_type): Remove.
1442 (find_global_initializers): Mark new vars we find for renaming.
1443 (intra_create_variable_infos): Only create one nonlocal.
1444 (expand_nonlocal_solutions): Remove.
1445 (compute_points_to_sets): Don't call it.
1446 (ipa_pta_execute): Ditto.
1447 (init_alias_heapvars): Don't create nonlocal_for_type.
1448 (delete_alias_heapvars): Don't remove it.
1449 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1452 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1454 * doc/install.texi (Downloading GCC): Clarify mention of
1455 Fortran in the "full distribution" description.
1457 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1459 Fix PR tree-optimization/28778
1460 Fix PR tree-optimization/29156
1461 Fix PR tree-optimization/29415
1462 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1463 (tree_decl_with_vis): Add artificial_pta_var flag.
1464 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1465 pushed into callers.
1466 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1467 (nonlocal_all): Ditto.
1468 (struct variable_info): Add directly_dereferenced member.
1469 (var_escaped_vars): New variable.
1470 (escaped_vars_tree): Ditto.
1471 (escaped_vars_id): Ditto.
1472 (nonlocal_vars_id): Ditto.
1473 (new_var_info): Set directly_dereferenced.
1474 (graph_size): New variable
1475 (build_constraint_graph): Use graph_size.
1476 (solve_graph): Don't process constraints that cannot change the
1477 solution, don't try to propagate an empty solution to our
1479 (process_constraint): Set directly_dereferenced.
1480 (could_have_pointers): New function.
1481 (get_constraint_for_component_ref): Don't process STRING_CST.
1482 (nonlocal_lookup): New function.
1483 (nonlocal_insert): Ditto.
1484 (create_nonlocal_var): Ditto.
1485 (get_nonlocal_id_for_type): Ditto.
1486 (get_constraint_for): Allow results vector to be empty in the case
1487 of string constants.
1488 Handle results of calls properly.
1489 (update_alias_info): Update alias info stats on number and type of
1491 (find_func_aliases): Use could_have_pointers.
1492 (make_constraint_from_escaped): Renamed from
1493 make_constraint_to_anything, and changed to make constraints from
1495 (make_constraint_to_escaped): New function.
1496 (find_global_initializers): Ditto.
1497 (create_variable_info_for): Make constraint from escaped to any
1498 global variable, and from any global variable to the set of
1500 (intra_create_variable_infos): Deal with escaped instead of
1501 pointing to anything.
1502 (set_uids_in_ptset): Do type pruning on directly dereferenced
1504 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1505 (init_base_vars): Fix comment, and initialize escaped_vars.
1506 (need_to_solve): Removed.
1507 (find_escape_constraints): New function.
1508 (expand_nonlocal_solutions): Ditto.
1509 (compute_points_to_sets): Call find_escape_constraints and
1510 expand_nonlocal_solutions.
1511 (delete_points_to_sets): Don't fall off the end of the graph.
1512 (init_alias_heapvars): Initialize nonlocal_for_type and
1514 (delete_alias_heapvars): Free nonlocal_for_type and null out
1517 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1519 * fold-const.c (add_double): Rename to add_double_with_sign.
1520 Add 'unsigned_p' parameter and take it into account for the overflow.
1521 (mul_double): Rename to mul_double_with_sign.
1522 Add 'unsigned_p' parameter and take it into account for the overflow.
1523 (fold_div_compare): Call add_double_with_sign instead of add_double
1524 and mul_double_with_sign instead of mul_double, passing them the
1525 unsignedness of the type.
1526 * tree.h (add_double): Macroize.
1527 (add_double_with_sign): New prototype.
1528 (mul_double): Macroize.
1529 (mul_double_with_sign): New prototype.
1531 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1533 * config/score/crti.asm: New file.
1534 * config/score/crtn.asm: New file.
1535 * config/score/elf.h: New file.
1536 * config/score/mac.md: New file.
1537 * config/score/misc.md: New file.
1538 * config/score/mul-div.S: New file.
1539 * config/score/predicates.md: New file.
1540 * config/score/score7.md: New file.
1541 * config/score/score.c: New file.
1542 * config/score/score-conv.h: New file.
1543 * config/score/score.h: New file.
1544 * config/score/score.md: New file.
1545 * config/score/score-mdaux.c: New file.
1546 * config/score/score-mdaux.h: New file.
1547 * config/score/score-modes.def: New file.
1548 * config/score/score.opt: New file.
1549 * config/score/score-protos.h: New file.
1550 * config/score/score-version.h: New file.
1551 * config/score/t-score-elf: New file.
1552 * config.gcc: Add score*-*-* configurations(Update before).
1553 * doc/invoke.texi (Score Options): New section.
1554 * doc/md.texi (Score family): New section to document constraints.
1556 2006-10-19 Nick Clifton <nickc@redhat.com>
1558 * config/arm/arm.c: Fix spelling typo.
1560 2006-10-18 Tom Tromey <tromey@redhat.com>
1562 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1564 2006-10-18 Jan Hubicka <jh@suse.cz>
1567 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1570 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1572 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1573 TSI_SAME_STMT, since that's the desired entity.
1575 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1577 * config/s390/contraints.md: New file.
1578 * config/s390/s390-protos.h (s390_mem_constraint,
1579 s390_O_constraint_str, s390_N_constraint_str,
1580 s390_float_const_zero_p): Function prototypes added.
1581 * config/s390/s390.c (s390_extra_constraint_str,
1582 s390_const_double_ok_for_constraint_p,
1583 s390_const_ok_for_constraint_p): Functions removed.
1584 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1585 s390_float_const_zero_p): New functions.
1586 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1587 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1588 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1589 Macro definitions removed.
1590 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1591 s390_extra_constraint_str): Functions removed.
1593 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1594 Richard Sandiford <richard@codesourcery.com>
1597 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1598 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1600 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1602 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1603 (DWARF2_FRAME_REG_OUT): Likewise.
1604 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1605 (DWARF2_FRAME_REG_OUT): Likewise.
1607 2006-10-17 Paul Brook <paul@codesourcery.com>
1609 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1611 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1613 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1614 Standardize on "GNU Fortran" as the official name of the Fortran
1617 2006-10-16 Mike Stump <mrs@apple.com>
1619 * doc/invoke.texi (Darwin Options): Document -mkernel.
1620 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1622 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1623 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1624 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1625 (OS_MISSING_ALTIVEC): Add.
1626 * config/i386/i386.c (override_options): Add
1627 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1628 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1629 -mkernel, -static or -mdynamic-no-pic is given.
1630 (C_COMMON_OVERRIDE_OPTIONS): Add.
1631 * config/darwin.opt (fapple-kext): Add.
1633 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1634 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1636 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1637 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1638 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1639 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1640 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1641 (flag_mkernel): Add.
1642 (flag_apple_kext): Add.
1643 (TARGET_KEXTABI): Add.
1644 * config/darwin.c (darwin_handle_kext_attribute): Add.
1645 (DARWIN_VTABLE_P): Add.
1646 (darwin_binds_local_p): Add partial support for rebinding vtables
1648 (darwin_kextabi_p): Add.
1649 (darwin_override_options): Add.
1650 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1651 (darwin_kextabi_p): Add.
1652 (darwin_override_options): Add.
1653 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1654 __DYNAMIC__ and __STATIC__ here.
1656 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1658 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1659 Added mention of "make pdf" target, and Texinfo requirements for
1662 2006-10-16 DJ Delorie <dj@redhat.com>
1664 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1665 into the GOT in case we need a subreg of the address.
1667 2006-10-16 Richard Guenther <rguenther@suse.de>
1670 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1671 SSE builtin documentation. Document SSE2 builtins.
1673 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1675 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1676 symbol in the output file for non-shared links when -nostdlib or
1677 -nodefaultlibs isn't specified.
1679 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1680 posix thread support.
1682 2006-10-15 Jan Hubicka <jh@suse.cz>
1685 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1686 declared always_inline even when not inlining.
1688 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1689 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1690 Andrew Pinski <pinskia@gmail.com>
1693 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1695 2006-10-15 Jan Hubicka <jh@suse.cz>
1696 Richard Guenther <rguenther@suse.de>
1699 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1700 process_function_and_variable_attributes on all variables, including
1701 those discovered during cgraph construction phase.
1703 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1705 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1707 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1709 * config/i386/athlon.md (athlon_fist): Add fisttp.
1711 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1712 Ian Lance Taylor <ian@airs.com>
1715 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1716 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1719 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1721 * config/score/score.c, config/score/score.h: Fix comment
1724 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1727 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1730 2006-10-13 Eric Christopher <echristo@apple.com>
1732 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1734 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1737 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1738 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1739 alignment supported by 32-bit ELF.
1741 2006-10-13 Eric Christopher <echristo@apple.com>
1743 * config/darwin.c (darwin_emit_unwind_label): Strip
1744 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1746 2006-10-13 Richard Guenther <rguenther@suse.de>
1748 PR tree-optimization/29446
1749 * tree-vrp.c (fix_equivalence_set): Remove.
1750 (extract_range_from_assert): Do not call fix_equivalence_set.
1751 (debug_value_range): Print a newline.
1752 (compare_name_with_value): For equivalence sets with
1753 inconsistent value ranges conservatively bail out.
1754 (compare_names): Likewise.
1756 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1758 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1759 and MPFR for gfortran.
1761 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1763 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1764 alignment supported by 32-bit ELF.
1766 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1770 * c-typeck.c (digest_init): Always allow initializing vectors
1771 that have static storage duration with compound literals.
1772 * tree.c (build_type_attribute_qual_variant): New, based on
1773 build_type_attribute_variant.
1774 (build_type_attribute_variant): Rewrite using the former.
1775 (make_vector_type): Use build_type_attribute_qual_variant to build
1776 type variants. Use type_hash_canon on the others.
1778 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1779 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1781 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1783 2006-10-12 Jan Hubicka <jh@suse.cz>
1786 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1787 current_function_decl is set but current_function_scope is not.
1789 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1791 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1792 emit_insn to emit eh_return_internal instruction.
1793 (eh_return_internal): Explicitly set pc.
1795 2006-10-11 Richard Guenther <rguenther@suse.de>
1797 PR tree-optimization/28230
1798 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1799 to the correct place.
1801 2006-10-11 Richard Guenther <rguenther@suse.de>
1804 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1807 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1809 * configure.ac: Added pdf to "Make-hooks"
1810 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1811 targets and *.pdf file patterns in cleanup targets.
1812 * configure: Regenerated.
1814 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1816 * config/avr/predicates.md: New file.
1817 * config/avr/avr.md: Include it.
1818 (REG_SP): New constant.
1819 (peepholes): Use predicates.
1820 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1821 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1822 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1824 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1826 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1829 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1832 * builtins.c (var_decl_component_p): New function.
1833 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1834 single entry optimization to variables and components thereof.
1836 2006-10-10 Richard Guenther <rguenther@suse.de>
1838 PR rtl-optimization/29323
1839 * except.c (set_nothrow_function_flags): For functions
1840 that do not bind local bail out early.
1842 2006-10-10 Ben Elliston <bje@au.ibm.com>
1844 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1847 2006-10-09 Richard Henderson <rth@redhat.com>
1849 Revert emutls patch.
1851 2006-10-09 Richard Guenther <rguenther@suse.de>
1854 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1857 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1860 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1861 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1862 * configure: Regenerate.
1863 * config.in: Regenerate.
1865 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1867 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1869 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1871 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1872 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1873 Remove stray newline.
1875 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1877 * config/mips/mips.c (mips_classify_symbol): Do not return
1878 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1879 (mips_in_small_data_p): Tweak comments.
1881 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1883 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1885 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1887 * gimplify.c, sched-int.h: Fix comment typos.
1889 * sched-int.h: Fix comment typos.
1891 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1893 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1895 * sched-ebb.c (begin_schedule_ready): Use them.
1896 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1897 add_to_speculative_block, create_check_block_twin, speculate_insn,
1898 fix_jump_move, move_block_after_check): Ditto.
1899 * sched-rgn.c (new_ready): Ditto.
1901 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1903 PR rtl-optimization/29128
1904 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1905 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1906 allow interblock movement of speculation checks.
1908 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1911 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1912 casted to integer type.
1913 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1914 if they are significantly more expensive than [reg + index] ones.
1916 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1918 PR tree-optimization/29330
1919 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1920 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1921 on newly allocated ddrs.
1922 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1923 to VEC (loop_p, heap) pointer.
1924 (compute_data_dependences_for_loop): Adjust caller.
1925 (free_dependence_relations): Free DDR_LOOP_NEST.
1927 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1928 free DEPENDENCE_RELATIONS and DATAREFS.
1931 * builtins.c (expand_builtin_sync_operation,
1932 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1933 Use convert_to_mode to handle promoted arguments.
1935 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1937 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1939 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1941 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1943 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1945 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1946 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1947 Use <modeconstraint> instead of "r" as operand 1 constraint.
1949 2006-10-06 Olivier Hainque <hainque@adacore.com>
1951 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1952 Don't recurse on the pointed-to type.
1953 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1954 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1955 types with components of variable size.
1957 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1959 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1961 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1963 PR tree-optimization/29290
1964 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1968 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1969 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1972 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1973 the number of vector elements fill the rest with zeros.
1975 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1977 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1978 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1981 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1983 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1984 unnamed pattern into subsi3. Use correct constraints/predicates.
1985 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1986 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1988 2006-10-05 Ira Rosen <irar@il.ibm.com>
1990 * doc/loop.texi: Add data references analysis description.
1992 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1994 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1996 2006-10-04 Richard Henderson <rth@redhat.com>
1997 Jakub Jelinek <jakub@redhat.com>
1999 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2000 * builtin-types.def (BT_WORD): Make unsigned.
2001 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2002 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2003 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2004 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2005 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2006 * cgraph.c (decide_is_variable_needed): Look at force_output.
2007 Recurse for emulated tls.
2008 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2009 checks redundant with decide_is_variable_needed.
2010 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2011 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2013 * expr.c (emutls_var_address): New.
2014 (expand_expr_real_1): Expand emulated tls.
2015 (expand_expr_addr_expr_1): Likewise.
2016 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2017 * output.h (emutls_finish): Declare.
2018 * toplev.c (compile_file): Call it.
2019 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2020 address before wrapping in CONST.
2021 * varasm.c (emutls_htab, emutls_object_type): New.
2022 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2023 (get_emutls_object_name, get_emutls_object_type): New.
2024 (get_emutls_init_templ_addr, emutls_decl): New.
2025 (emutls_common_1, emutls_finish): New.
2026 (assemble_variable): When emulating tls, swap decls; generate
2027 constructor for the emutls objects.
2028 (do_assemble_alias): When emulating tls, swap decl and target name.
2029 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2031 * emutls.c: New file.
2032 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2033 tls_object for real tls.
2035 2006-10-04 Zack Weinberg <zackw@panix.com>
2037 Fix bug in constraint-check generator, reported by Rask Ingemann
2039 * genpreds.c (add_constraint): Don't remove anything from the
2041 (write_tm_constrs_h): Detect whether "op" argument is used, and
2042 mark it ARG_UNUSED if it isn't.
2043 (write_insn_const_int_ok_for_constraint): Skip the part of the
2044 expression that would test whether "op" (which is not available
2045 here) is a CONST_INT.
2047 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2050 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2052 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2054 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2055 current Leopard versions.
2056 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2058 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2060 * doc/install.texi: Fix typos.
2062 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2064 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2065 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2066 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2068 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2070 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2071 arg to be struct mach_header_64* instead.
2073 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2076 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2077 side effects after the outer expression's post side effects.
2079 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2081 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2082 comments to reflect actual behavior and relationship between
2083 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2085 * doc/c-tree.texi (Working with declarations): Fix documentation
2086 of FIELD_DECL likewise.
2088 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2091 * doc/extend.texi: Add used variable attribute description.
2093 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2096 * c.opt (Woverride-init): New.
2097 * c-opts.c (c_common_post_options): Default warn_override_init to
2099 * c-typeck.c (add_pending_init, output_init_element): Warn for
2100 overriding initializers without side effects.
2101 * doc/invoke.texi (-Woverride-init): Document.
2104 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2106 PR rtl-optimization/28096
2107 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2108 assignment has already been used as a destination earlier in the block.
2110 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2112 * builtins.c (expand_builtin_setjmp): Delete.
2113 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2114 <BUILT_IN_SETJMP_SETUP>: New case.
2115 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2116 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2117 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2118 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2119 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2120 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2121 (lower_function_body): Initialize it to false. If it is set to true
2122 at the end of the processing, emit the setjmp dispatcher.
2123 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2124 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2125 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2126 on the rhs of the assignment.
2127 (lower_builtin_setjmp): New function.
2128 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2129 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2130 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2131 to detect calls that can go to non-local labels. Use specific
2132 helper to create the abnormal edges associated with them.
2133 <MODIFY_EXPR>: Likewise.
2134 (make_abnormal_goto_edges): New function extracted from...
2135 (make_goto_expr_edges): ...here. Call it for computed gotos.
2136 (simple_goto_p): Minor tweak.
2137 (tree_can_make_abnormal_goto): New predicate.
2138 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2139 (tree_purge_dead_abnormal_call_edges): New function.
2140 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2141 (tree_purge_dead_abnormal_call_edges): Likewise.
2142 (make_abnormal_goto_edges): Likewise.
2143 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2144 Purge all dead abnormal edges if the call was in the last statement.
2145 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2146 (execute_fixup_cfg): If there are non-local labels in the function,
2147 scan the basic blocks and split them at calls that can go to non-local
2148 labels or add missing abnormal call edges. Write down the CFG in the
2150 (pass_fixup_cfg): Remove TODO_dump_func flag.
2151 * unwind-sjlj.c: Poison setjmp.
2152 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2153 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2154 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2155 (DONT_USE_BUILTIN_SETJMP): Document it.
2157 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2160 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2161 to 1 when __ppc64__ is defined.
2162 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2164 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2166 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2168 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2169 * config/ia64/unwind-hpux.c: Delete.
2171 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2173 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2174 on the element before gimplifying it, instead of punting if it is of
2177 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2179 * doc/loop.texi: New file.
2180 * doc/gccint.texi: Reference loop.texi.
2181 * Makefile.in (loop.texi): Add.
2183 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2185 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2187 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2188 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2190 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2192 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2194 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2196 * doc/install.texi: Document required versions of GMP and MPFR.
2198 2006-09-27 Paul Brook <paul@codesourcery.com>
2201 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2203 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2205 * reload1.c (alter_reg): Require the alignment of the stack slot to
2206 be at least reg_max_ref_width bytes.
2207 (scan_paradoxical_subregs): Record the largest width in
2210 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2214 * tree-nested.c (struct nesting_info): Added static_chain_added.
2215 (convert_call_expr): Set static_chain_added when adding static
2216 chain. Handle OMP_PARALLEL and OMP_SECTION.
2218 2006-09-25 Matthias Klose <doko@debian.org>
2220 * doc/invoke.texi: Add missing full stop.
2222 2006-09-25 Richard Henderson <rth@redhat.com>
2224 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2225 before cgraph_function_flags_ready.
2227 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2228 Adam Nemet <anemet@caviumnetworks.com>
2230 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2231 determine_common_wider_type): New functions.
2232 (get_computation_aff): Use them to simplify arithmetic between
2233 UBASE and CBASE if they are shortened from the same type.
2235 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2238 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2239 -2147483647 - 1 instead of 0x80000000.
2241 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2243 * flags.h (HONOR_NANS): Fix typo in comment.
2245 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2247 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2249 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2253 * tree.c (merge_attributes, attribute_list_contained): If both
2254 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2256 * c-typeck.c (comptypes_internal): Don't consider aggregates
2257 in different TUs as compatible if there one set of attributes is
2258 not a subset of the other type's attributes.
2259 (composite_type): Try harder not to create a new aggregate type.
2261 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2263 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2264 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2265 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2266 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2267 than replicating condition above.
2268 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2270 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2271 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2272 the linker by default.
2274 2006-09-22 Mike Stump <mrs@apple.com>
2276 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2279 2006-09-22 Richard Guenther <rguenther@suse.de>
2282 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2283 sort of stack variables stable.
2285 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2288 * explow.c (force_reg): Set REG_POINTER flag according to
2291 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2293 PR tree-optimization/28888
2294 * tree-if-conv.c (combine_blocks): Rewritten.
2295 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2296 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2298 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2300 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2303 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2305 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2307 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2309 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2311 2006-09-21 Roger Sayle <roger@eyesopen.com>
2314 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2315 dw_fde_current_label, to be the start of the function, i.e. the same
2316 value as dw_fde_begin.
2318 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2320 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2321 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2322 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2323 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2324 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2325 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2326 (abs<mode>2, neg<mode>2): Likewise.
2327 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2328 (*mips_abs_ps): New define_insn.
2330 2006-09-20 Josh Conner <jconner@apple.com>
2333 * calls.c (expand_call): Allow reuse of structure return stack
2336 2006-09-20 Paul Brook <paul@codesourcery.com>
2338 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2341 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2343 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2344 clean up terminology.
2346 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2349 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2350 with tablejumps in them.
2352 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2355 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2356 wrap it into TARGET_EXPR.
2358 2006-09-20 Eric Christopher <echristo@apple.com>
2360 * config/i386/i386.c (x86_fisttp): Remove.
2361 * config/i386/i386.h (x86_fisttp): Ditto.
2362 (TARGET_FISTTP): Ditto.
2364 2006-09-19 Eric Christopher <echristo@apple.com>
2366 * doc/tm.texi (OBJC_JBLEN): Describe.
2367 * config/i386/darwin.h (OBJC_JBLEN): Define.
2368 * config/rs6000/darwin.h: Ditto.
2370 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2372 PR rtl-optimization/21299
2373 * reload1.c (reload): Purge invalid ASMs in the final pass.
2375 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2378 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2379 pointers as legitimate constants.
2381 2006-09-19 Paul Brook <paul@codesourcery.com>
2384 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2386 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2388 PR tree-optimization/28887
2389 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2390 component parts from the reference.
2391 (gather_memory_references_ref): Record the reference without the
2392 nonaddressable component parts.
2394 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2397 * c-opts.c (c_common_handle_option): Ignore the -std options
2398 if the input language is assembly.
2400 2006-09-17 Ira Rosen <irar@il.ibm.com>
2403 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2405 (ptr_ptr_may_alias_p): Likewise.
2406 (record_record_differ_p): New function.
2407 (base_object_differ_p): Call record_record_differ_p.
2409 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2412 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2413 away for the expr argument.
2415 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2418 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2419 before using it for dumping after vectorizing loops.
2421 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2422 Jack Howarth <howarth@bromo.med.uc.edu>
2425 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2426 skip on error_mark_node.
2427 (rs6000_darwin64_record_arg_recurse): Likewise.
2429 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2431 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2432 * doc/rtl.texi: Remove related documentation.
2434 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2436 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2439 2006-09-15 Jim Wilson <wilson@specifix.com>
2441 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2442 Handle symbol offsets same as they are handled in ia64_expand_move
2445 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2447 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2448 Add forgotten parameter to the fprintf call.
2450 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2452 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2454 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2456 * doc/contrib.texi: Add my entry.
2458 2006-09-15 Nick Clifton <nickc@redhat.com>
2460 * doc/md.texi (Processor pipeline description): Fix typo in
2461 example of how to use the absence_set directive and reword the
2462 description to make it slightly easier to read.
2464 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2466 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2467 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2468 expanding the number of iterations.
2469 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2471 * cfgrtl.c (emit_insn_at_entry): New function.
2472 * rtl.h (emit_insn_at_entry): Declare it.
2473 * integrate.c (emit_initial_value_sets): Use it.
2475 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2477 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2479 (struct loop_work and related VEC declarations): Delete.
2480 (bfin_dump_loops): Print out new member bad.
2481 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2482 (bfin_scan_loop): Don't recurse.
2483 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2484 loops. No longer need to update outer loops if the current one is
2485 found bad. Move some validitiy checks to bfin_discover_loop.
2486 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2487 but changed not to check for nesting. Also changed to use the new bad
2489 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2490 time. Use bitmap based test to discover loop nesting.
2492 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2494 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2497 2006-09-14 Richard Guenther <rguenther@suse.de>
2498 Kazu Hirata <kazu@codesourcery.com>
2500 PR middle-end/28884.
2501 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2502 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2503 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2504 with TARGET_FUNCTION_VALUE.
2506 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2509 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2511 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2513 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2516 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2519 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2522 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2524 * basic_block.h (bb_has_eh_pred): Fix comment.
2526 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2528 * flow.c (calculate_global_regs_live): Invalidate eh registers
2529 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2530 (propagate_block): Handle eh registers as if they were set at basic
2532 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2534 * global.c (global_conflicts): Make eh registers to conflict with
2535 pseudos live at basic block begin.
2536 * basic_block.h (bb_has_eh_pred): New function.
2538 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2540 PR rtl-optimization/28982
2541 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2542 index of a PRE_MODIFY or POST_MODIFY address.
2543 * reload1.c (inc_for_reload): Use find_replacement on the original
2544 base and index registers.
2546 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2548 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2549 for -Os. Update __m128 alignment requirement.
2551 2006-09-13 Jan Hubicka <jh@suse.cz>
2553 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2555 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2557 PR rtl-optimization/28243
2558 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2559 the insn to which the note was originally attached.
2561 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2562 Roger Sayle <roger@eyesopen.com>
2564 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2565 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2566 on platforms that don't use dwarf for debug info.
2568 2006-09-12 Jason Merrill <jason@redhat.com>
2571 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2572 hard_frame_pointer_rtx after using it to update the frame pointer.
2574 2006-09-12 Roger Sayle <roger@eyesopen.com>
2576 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2577 (TARGET_ASM_CLOSE_PAREN): Likewise.
2578 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2579 (TARGET_ASM_CLOSE_PAREN): Likewise.
2581 2006-09-12 Roger Sayle <roger@eyesopen.com>
2584 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2585 frame information for frames larger than 512 Kbytes on Tru64 when
2586 using the native assembler.
2588 2006-09-12 Roger Sayle <roger@eyesopen.com>
2592 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2593 and symbols. Instead use the implementation from cse.c's hash_rtx.
2595 2006-09-12 Jan Hubicka <jh@suse.cz>
2597 PR rtl-optimization/28071
2598 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2599 (vect_transform_loop): Likewise.
2600 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2601 (new_loop_vec_info): Likewise.
2602 (destroy_loop_vec_info): Likewise.
2603 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2604 (create_stmt_ann): Likewise.
2605 (create_tree_ann): Rename to ...
2606 (create_tree_common_ann): ... this one; allocate only the common part
2608 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2609 (get_value_handle): Likewise.
2610 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2611 get_tree_common_ann.
2612 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2613 (vinfo_for_stmt): Use stmt annotations.
2614 * tree-flow.h (tree_ann_common_t): New type.
2615 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2616 (tree_ann, get_tree_ann, create_tree_ann): New.
2617 * tree-flow-inline.h (get_function_ann): Do more type checking.
2618 (stmt_ann): Likewise.
2619 (tree_ann): Rename to ...
2620 (tree_common_ann): ... this one; return ony common_ann
2621 (get_tree_ann): Rename to ...
2622 (tree_common_ann): This one; return only common_ann.
2623 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2626 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2628 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2629 with_cpu by default.
2631 * dwarf2out.c (dwarf_file_data): New.
2632 (enum dw_val_class): Add dw_val_class_file.
2633 (struct dw_val_struct): Add val_file.
2634 (file_table): Change to a hash table.
2635 (file_table_emitted): Delete.
2636 (file_table_last_lookup_index): Delete.
2637 (emitcount): Delete.
2638 (last_emitted_file): New.
2639 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2640 (init_file_table): Delete.
2641 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2642 (AT_addr): Add comment.
2646 (print_die): Handle dw_val_class_file.
2647 (print_dwarf_line_table): Update for new file table structure.
2648 (attr_checksum): Do checksum a filename.
2649 (same_dw_val_p, same_attr_p): Do compare a filename.
2650 (size_of_die): Handle dw_val_class_file.
2651 (value_format): Likewise.
2652 (output_die): Likewise. Also, call maybe_emit_file here.
2653 (struct file_info): Constify filenames. Make file_idx a pointer
2654 to a struct dwarf_file_data.
2655 (struct dir_info): Constify directory names. Remove 'used' field.
2656 (struct file_name_acquire_data): New.
2657 (file_name_acquire): New.
2658 (output_file_names): Modify to handle new file data structures.
2659 (add_src_coords_attributes): Use add_AT_file.
2660 (add_call_src_coords_attributes): Likewise.
2661 (dwarf2out_imported_module_or_decl): Likewise.
2662 (gen_subprogram_die): Modify for new file data structures.
2663 (gen_variable_die): Likewise.
2664 (file_table_eq): New.
2665 (file_table_hash): New.
2666 (file_table_last_lookup): New.
2667 (lookup_filename): Rewrite to handle new file data structures.
2668 (maybe_emit_file): Rewrite to handle new file data structures.
2669 (dwarf2out_source_line): Always call lookup_filename and
2671 (dwarf2out_init): Create file_table here.
2672 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2673 (file_table_relative_p): New.
2674 (dwarf2out_finish): Change detection of relative filenames
2675 to work with new file data structures. Move output_line_info call
2676 after debug_info output.
2678 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2683 * config/i386/i386.c (override_options): Always default to 16
2684 byte stack boundary.
2686 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2689 * var-tracking.c (dump_dataflow_set): Start dumping at
2691 (clobber_variable_part): Kill only the variable part in
2692 registers holding it, leaving other variables alone.
2694 2006-09-11 Josh Triplett <josh@freedesktop.org>
2696 * doc/extend.texi (Other Builtins): Actually use the macro
2697 argument in the documentation example for
2698 __builtin_types_compatible_p.
2700 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2702 PR rtl-optimization/28726
2703 * sched-deps.c (sched_analyze_reg): New function extracted from...
2704 (sched_analyze_1): ...here. Call it to analyze references to
2705 registers. Treat again writes to a stack register as writing to the
2707 (sched_analyze_2): ...and here. Call it to analyze references to
2708 registers. Treat again reads of a stack register as reading the
2711 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2712 David Edelsohn <edelsohn@gnu.org>
2715 * config/rs6000/spe.md (frob_df_di): Remove %H.
2716 (frob_di_df): Remove %H. Change evmergelo to mr.
2717 (frob_di_df_2): Remove %H. Change evldd to two loads.
2719 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2721 * doc/cpp.texi: Fix names of charset options.
2723 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2726 * config/i386/i386.c (override_options): Use 128-bit
2727 stack boundary always for 64bits.
2729 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2731 PR rtl-optimization/28636
2732 * combine.c (force_to_mode): Test for side-effects before
2733 substituting by zero.
2734 (simplify_shift_const): Likewise for zero or other constants.
2736 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2739 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2742 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2745 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2746 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2747 returned by mode_for_size, rather than the mode of src itself,
2748 to choose between 32-bit and 64-bit patterns.
2749 (mips_mem_fits_mode_p): New function.
2750 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2751 that the size of the source matches the size of the destination.
2752 (mov_<store>l, mov_<store>r): Likewise.
2754 2006-09-10 Eric Christopher <echristo@apple.com>
2756 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2759 2006-09-09 Eric Christopher <echristo@apple.com>
2762 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2765 2006-09-09 Roger Sayle <roger@eyesopen.com>
2766 Nicolas Setton <setton@adacore.com>
2768 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2770 2006-09-10 Andreas Schwab <schwab@suse.de>
2772 * config/m68k/m68k.md (bungt_rev): New pattern.
2774 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2775 Dale Johannesen <dalej@apple.com>
2778 * regclass.c (struct reg_pref): Update documentation.
2779 (regclass): Set prefclass to NO_REGS if memory is the best option.
2780 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2782 2006-09-08 Eric Christopher <echristo@apple.com>
2784 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2785 * config/t-slibgcc-darwin: Support x86_64 multilib.
2786 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2787 Return 1 for x86_64-darwin.
2788 * config/i386/t-darwin: Add m64 multilib.
2789 (LIB2_SIDITI_CONV_FUNCS): Use.
2790 (LIB2FUNCS_EXTRA): Ditto.
2791 * config/i386/darwin.h: Support x86_64.
2792 * config/i386/i386.c (override_options): Turn on flag_pic
2793 for x86_64-darwin. Disable flag_omit_pointer.
2794 (get_pc_thunk_name): Assert !TARGET_64BIT.
2795 (legitimate_address_p): Disable machopic addressing for
2797 (legitimize_pic_address): Ditto.
2798 (ix86_expand_move): Ditto.
2799 (ix86_expand_call): Ditto.
2800 (machopic_output_stub): Ditto.
2801 * config/darwin.c (machopic_select_section): Support literal16.
2802 (machopic_select_rtx_section): Ditto.
2803 * config/darwin-sections.def: Ditto.
2804 * config/darwin-64.c: New.
2806 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2809 * c-tree.h (struct c_arg_info): Add pending_sizes.
2810 * c-parser.c (c_parser_parms_declarator,
2811 c_parser_parms_list_declarator): Initialize pending_sizes.
2812 * c-decl.c (get_parm_info): Initialize pending_sizes.
2813 (get_parm_info): Set pending_sizes.
2814 (grokdeclarator): Call put_pending_sizes for parameters for
2815 function definition only.
2817 2006-09-07 Jason Merrill <jason@redhat.com>
2820 * varasm.c (output_constant): Only strip actual no-op conversions.
2823 * config/i386/i386.c (override_options): Use 128-bit
2824 stack boundary if -msse.
2826 2006-09-07 Eric Christopher <echristo@apple.com>
2828 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2830 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2833 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2835 * dwarf2out.c: Remove strange characters from comment above
2836 dwarf2out_frame_debug_expr.
2838 2006-09-07 Eric Christopher <echristo@apple.com>
2840 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2841 * config/darwin.h: ... to here.
2843 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2845 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2847 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2848 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2850 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2851 TARGET_PARTIAL_FLAG_REG_STALL.
2852 (*ashldi3_cconly_rex64): Likewise.
2853 (*ashlsi3_cmp): Likewise.
2854 (*ashlsi3_cconly): Likewise.
2855 (*ashlsi3_cmp_zext): Likewise.
2856 (*ashlhi3_cmp): Likewise.
2857 (*ashlhi3_cconly): Likewise.
2858 (*ashlqi3_cmp): Likewise.
2859 (*ashlqi3_cconly): Likewise.
2860 (*ashrdi3_cmp_rex64): Likewise.
2861 (*ashrdi3_cconly_rex64): Likewise.
2862 (*ashrsi3_cmp): Likewise.
2863 (*ashrsi3_cconly): Likewise.
2864 (*ashrsi3_cmp_zext): Likewise.
2865 (*ashrhi3_cmp): Likewise.
2866 (*ashrhi3_cconly): Likewise.
2867 (*ashrqi3_cmp): Likewise.
2868 (*ashrqi3_cconly): Likewise.
2869 (*lshrdi3_cmp_rex64): Likewise.
2870 (*lshrdi3_cconly_rex64): Likewise.
2871 (*lshrsi3_cmp): Likewise.
2872 (*lshrsi3_cconly): Likewise.
2873 (*lshrsi3_cmp_zext): Likewise.
2874 (*lshrhi3_cmp): Likewise.
2875 (*lshrhi3_cconly): Likewise.
2876 (*lshrqi2_cmp): Likewise.
2877 (*lshrqi2_cconly): Likewise.
2879 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2882 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2883 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2884 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2885 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2886 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2887 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2888 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2889 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2890 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2891 implement only CC setting effects of shift instructions.
2893 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2895 * doc/contrib.texi: Add myself.
2897 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2900 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2901 was set by the user.
2903 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2906 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2907 (divsi_inv_m1): Use them.
2908 (UNSPEC_DIV_INV_TABLE): New constant.
2910 2006-09-06 James E Wilson <wilson@specifix.com>
2913 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2914 then call count_or_remove_death_notes.
2916 2006-09-06 Jason Merrill <jason@redhat.com>
2919 * tree-inline.c (copy_result_decl_to_var): New fn.
2920 (declare_return_variable): Use it. Call declare_inline_vars here.
2921 (expand_call_inline): Not here.
2923 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2925 * doc/contrib.texi: Update my entry.
2927 2006-09-06 Nick Clifton <nickc@redhat.com>
2929 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2931 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2934 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2935 (canonicalize_induction_variables): Likewise.
2936 (tree_unroll_loops_completely): Likewise.
2937 (tree_ssa_prefetch_arrays): Likewise.
2938 (remove_empty_loops): Likewise.
2939 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2940 TODO_cleanup_cfg instead of directly calling
2941 cleanup_tree_cfg_loop.
2942 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2944 (tree_unroll_loops_completely): Likewise.
2945 (remove_empty_loops): Likewise.
2946 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2947 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2948 of tree_ssa_unswitch_loops.
2949 (tree_ssa_loop_ivcanon): Use the return value of
2950 canonicalize_induction_variables.
2951 (tree_ssa_empty_loop): Use the return value of
2953 (tree_complete_unroll): Use the return value of
2954 tree_unroll_loops_completely.
2955 (tree_ssa_loop_prefetch): Use the return value of
2956 tree_ssa_prefetch_arrays.
2957 * passes.c (execute_todo): Before Cleanup CFG, set
2958 updating_used_alone and after cleanup CFG, call
2959 recalculate_used_alone.
2961 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2964 * tree-vect-transform.c (vectorizable_condition): Move the check
2965 for the type after the check for simple condition.
2967 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2968 Kaz Kojima <kkojima@gcc.gnu.org>
2971 * mode-switching.c (optimize_mode_switching): Make the destination
2972 block of an abnormal edge have no anticipatable mode. Don't
2973 insert mode switching code at the end of the source block of
2976 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2978 PR rtl-optimization/26847
2979 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2980 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2981 (simplify_plus_minus): Count n_constants while filling ops. Replace
2982 qsort with insertion sort. Before going through the array to simplify
2983 pairs, sort it. Delay early exit until after the first sort, exiting
2984 only if no swaps occurred. Simplify pairs in reversed order, without
2985 special-casing the first iteration. Pack ops after simplifying pairs.
2987 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2989 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2990 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2991 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2992 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2994 2006-09-05 Richard Guenther <rguenther@suse.de>
2996 PR tree-optimization/28900
2997 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2998 compound conditional before creating COND_EXPR condition.
3000 2006-09-05 Richard Guenther <rguenther@suse.de>
3002 PR tree-optimization/28905
3003 * tree-vrp.c (fix_equivalence_set): Manually implement
3004 !value_ranges_intersect_p to also handle symbolic ranges.
3006 2006-09-05 Richard Guenther <rguenther@suse.de>
3009 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3012 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3014 PR rtl-optimization/27616
3015 * cse.c (table_size): New static variable.
3016 (new_basic_block): Initialize it to 0.
3017 (remove_from_table): Decrement it.
3018 (insert): Increment it.
3019 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3020 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3021 fold_rtx_mem_1 if under the cap.
3022 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3023 the lookup of the equivalent expression and test for equality of the
3024 first operand of the equivalent expression before in turn looking up
3025 an equivalent constant for the second operand.
3027 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3030 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3031 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3032 pointer, instead of assuming it is possible to derive the
3033 correct args size from a call insn.
3035 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3038 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3039 (fold_builtin_mempcpy): Rename to...
3040 (fold_builtin_memory_op): ... this. Optimize one element copy
3042 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3044 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3045 (expand_builtin_memcpy, expand_builtin_mempcpy,
3046 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3047 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3048 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3049 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3051 2006-09-01 DJ Delorie <dj@redhat.com>
3053 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3054 (stzx_16): Likewise.
3055 ("stzx_24_<mode>"): Likewise.
3056 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3057 ("cmp<mode>_op"): New.
3058 (cmp<mode>): Change to expander; just save operands.
3060 (b<code>): Change to expander, emit compare here.
3061 (s<code>_op): Change to use split and expander.
3062 (s<code>_24_op): Likewise.
3063 (s<code>_<mode>): New.
3064 (s<code>_<mode>_24): New.
3065 (movqicc_<code>_<mode): New.
3066 (movhicc_<code>_<mode>): New.
3069 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3070 (m32c_pend_compare): New.
3071 (m32c_unpend_compare): New.
3072 (m32c_expand_scc): New.
3073 (m32c_expand_movcc): Emit the compare also.
3074 * config/m32c/predicates.md (mra_nopp_operand): New.
3076 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3077 Richard Guenther <rguenther@suse.de>
3078 Adam Nemet <anemet@caviumnetworks.com>
3081 * builtins.c (get_pointer_alignment): Handle more forms
3082 of base addresses that can be used to derive more precise
3083 information about alignment.
3085 2006-09-01 Jason Merrill <jason@redhat.com>
3088 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3091 * gimplify.c (voidify_wrapper_expr): Handle null type.
3093 2006-09-01 Josh Conner <jconner@apple.com>
3096 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3097 (execute_return_slot_opt): Use it.
3099 2006-08-31 Josh Conner <jconner@apple.com>
3102 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3103 returning aggregates.
3105 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3107 PR tree-optimization/28839
3108 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3109 blocks in that phi arguments appear.
3111 2006-08-31 Roger Sayle <roger@eyesopen.com>
3114 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3115 NULL, otherwise use an advance_loc4 to adjust relative to the
3117 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3118 (dwarf2out_switch_text_section): Reset the current label to avoid
3119 using advance_loc4 over section boundaries.
3121 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3124 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3125 r12 + SYMBOLIC_CONST.
3127 2006-08-30 Richard Guenther <rguenther@suse.de>
3129 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3131 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3133 PR rtl-optimization/27735
3134 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3135 Add new argument to keep track of whether an irreducible region
3136 was affected. All callers changed.
3137 (fix_irreducible_loops): Removed.
3138 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3139 flags were invalidated.
3141 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3143 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3144 instead of SF operands.
3145 (*fop_df_comm_sse): Likewise.
3146 (*fop_df_comm_i387): Likewise.
3147 (*fop_df_1_mixed): Likewise.
3148 (*fop_df_1_sse): Likewise.
3150 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3151 J"orn Rennecke <joern.rennecke@st.com>
3153 PR tree-optimization/17506
3154 * tree-ssa.c (warn_uninit): If warning about a location outside of
3155 the current function, note where the variable was declared.
3157 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3159 PR tree-optimization/28411
3160 * double-int.c (double_int_div): Use double_int_divmod.
3161 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3162 double_int_mod, double_int_smod, double_int_umod): New functions.
3163 * double-int.h (double_int_divmod, double_int_sdivmod,
3164 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3166 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3168 (get_computation_aff, get_computation_cost_at): Handle double_int
3169 return type of constant_multiple_of.
3171 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3174 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3175 an implicit conversion.
3177 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3179 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3181 2006-08-27 Roger Sayle <roger@eyesopen.com>
3183 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3186 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3188 * config/i386/crtfastmath.c: Fix a comment typo.
3190 2006-08-26 Roger Sayle <roger@eyesopen.com>
3192 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3193 temporary visit flags on CASE_LABEL_EXPRs.
3194 * c-common.c (match_case_to_enum): Add function comment. Avoid
3195 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3196 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3197 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3198 a constant, only warn if that constant value isn't handled.
3200 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3203 * input.h (restore_input_file_stack): Declare.
3204 (INPUT_FILE_STACK_BITS): Define.
3205 * toplev.c (fs_p, input_file_stack_history,
3206 input_file_stack_restored, restore_input_file_stack): New.
3207 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3208 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3209 (pop_srcloc): Don't free old state of stack.
3211 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3214 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3215 (PowerPC Type Attributes): New.
3217 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3219 * config/xtensa/xtensa.c (function_arg_boundary): New.
3220 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3222 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3223 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3225 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3228 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3231 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3233 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3234 (verify_local_live_at_start): Likewise.
3236 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3239 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3240 omp_add_variable): Treat sizes as variable whenever not
3243 2006-08-26 Richard Guenther <rguenther@suse.de>
3246 * fold-const.c (fold_binary): Fold temporary to correct
3247 type before constructing new comparison.
3249 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3252 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3253 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3255 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3258 * c-decl.c (start_function): Don't try to process prototype
3259 information from old declaration that isn't a function.
3261 2006-08-25 Jan Hubicka <jh@suse.cz>
3264 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3266 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3269 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3272 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3274 PR tree-optimization/16876
3275 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3276 exit if PARM doesn't match VALUE.
3278 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3280 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3281 literal_prefix directive.
3282 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3283 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3284 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3286 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3289 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3290 predicate to general_operand. Add 0->y and I->r alternatives.
3292 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3294 * doc/tm.texi: Fix a typo.
3295 * predict.c: Fix comment typos.
3297 2006-08-25 Nick Clifton <nickc@redhat.com>
3299 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3300 assertions of "cpu" and "machine".
3302 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3305 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3306 the access through a base which has an alias set of 0 cannot
3309 2006-08-24 Bill Wendling <wendling@apple.com>
3311 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3313 2006-08-24 Jan Hubicka <jh@suse.cz>
3315 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3317 2006-08-24 Jan Hubicka <jh@suse.cz>
3320 * cgraph.c: Fix comments.
3321 (cgraph_varpool_mark_needed_node): Mark only variables not already
3323 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3324 (cgraph_varpool_assembled_nodes_queue): New static variable.
3325 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3326 (cgraph_varpool_output_debug_info): New function.
3327 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3328 * Makefile.in: Add gt-cgraphunit.h
3330 2006-08-24 Jan Hubicka <jh@suse.cz>
3332 * predict.c (probability_reliable_p): New predicate.
3333 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3334 (predict_loops): Do not predict loop exit with less than 2%
3336 * basic-block.h (edge_probability_reliable_p,
3337 br_prob_note_reliable_p): Declare.
3338 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3339 prediction when static predictor is not reliable.
3340 * rs6000.c (output_cbranch): Likewise.
3342 2006-08-23 Stuart Hastings <stuart@apple.com>
3345 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3346 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3348 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3351 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3352 complex values, nor for generic vector values.
3354 2006-08-22 Richard Guenther <rguenther@suse.de>
3357 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3358 parameter. Convert arguments to arithmetic expression to the
3360 (analyze_scalar_evolution_1): Adjust caller.
3362 2006-08-22 Jan Hubicka <jh@suse.cz>
3364 Patch by Paolo Bonzini
3365 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3368 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3370 PR tree-optimization/28003
3371 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3372 before grouping aliases.
3374 2006-08-22 Roger Sayle <roger@eyesopen.com>
3376 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3377 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3379 2006-08-21 Jason Merrill <jason@redhat.com>
3382 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3383 wrapper. Loop to handle nested wrappers.
3384 (gimplify_bind_expr): Remove temp parameter.
3385 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3386 and STATEMENT_LIST on the rhs.
3387 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3388 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3389 (gimplify_target_expr): Remove special BIND_EXPR handling.
3391 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3393 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3396 2006-08-21 Olivier Hainque <hainque@adacore.com>
3398 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3399 Arrange for the temporary captures of components overlapping the lhs
3400 to happen before the lhs is possibly cleared.
3402 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3404 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3405 necessary places to pass the correct "number of registers" values
3408 2006-08-20 Jan Hubicka <jh@suse.cz>
3410 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3411 (create_name_tags): Instead of quadratic checking use hashtable.
3412 * bitmap.h: Include hashtab.h.
3413 (bitmap_hash): Declare.
3414 * bitmap.c (bitmap_hash): New function.
3416 2006-08-20 Jan Hubicka <jh@suse.cz>
3418 PR rtl-optimization/28071
3419 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3421 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3422 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3423 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3424 cgraph_decide_inlining_incrementally): Update use of
3425 cgraph_check_inline_limits.
3426 * cgraph.c (edge_hash, edge_eq): New function.
3427 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3428 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3429 cgraph_remove_node): Maintain call site hash.
3430 * cgraph.h (struct cgraph_node): Add call_site_hash.
3431 (cgraph_set_call_stmt): New function.
3433 2006-08-20 Jan Hubicka <jh@suse.cz>
3435 PR rtl-optimization/28071
3436 * reload1.c (reg_has_output_reload): Turn into regset.
3437 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3438 choose_reload_regs, emit_reload_insns): Update to new
3439 reg_has_output_reload.
3441 2006-08-20 Jan Hubicka <jh@suse.cz>
3444 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3445 function body sizes.
3446 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3448 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3451 * tree.c (handle_dll_attribute): Return early if not a
3452 var or function decl.
3454 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3457 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3458 alignment of SPE vector types.
3460 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3462 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3464 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3467 * cgraph.h (struct cgraph_node): Remove externally_visible
3469 * cgraphunit.c (process_function_and_variable_attributes): Set
3470 local.externally_visible rather than externally_visible.
3473 * c-common.c (handle_externally_visible_attribute): First look
3474 at TREE_CODE and only if it is function or var decl, check for
3475 non-public objects. Don't warn for DECL_EXTERNAL.
3476 * cgraphunit.c (process_function_and_variable_attributes): Warn
3477 if externally_visible attribute is used on non-public object.
3479 2006-08-17 Jan Hubicka <jh@suse.cz>
3481 PR tree-optimization/27865
3482 * reload1.c (forget_marked_reloads): New function.
3483 (forget_old_reloads_1): When data are passed, just mark the registers
3485 (reload_as_needed): Use the new mechanizm.
3487 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3490 * reload.h (reg_equiv_alt_mem_list): New declaration.
3491 * reload1.c (reg_equiv_alt_mem_list): New definition.
3492 (reload): Initialize it and release it.
3493 (delete_output_reload): Use it.
3494 * reload.c (push_reg_equiv_alt_mem): New function.
3495 (find_reloads_toplev): Call it.
3496 (find_reloads_address, find_reloads_address_1): Likewise.
3497 (find_reloads_subreg_address): Likewise.
3499 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3501 PR rtl-optimization/28489
3502 * sched-ebb.c (begin_schedule_ready): Create basic block
3504 (advance_target_bb): Skip empty blocks.
3505 * haifa-sched.c (bb_note): Make global.
3506 * sched-int.h (bb_note): Add prototype.
3508 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3510 PR tree-optimization/27865
3511 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3513 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3514 fold_used_pointer, pointer_used_p): New functions.
3515 (analyze_scalar_evolution_1): Use fold_used_pointer.
3516 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3517 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3520 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3523 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3524 or the INTEGER_CST. Fail on a CALL_EXPR.
3525 (fold_offsetof): Pass new argument to fold_offsetof_1.
3526 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3527 operand into an INDIRECT_REF.
3528 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3530 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3532 PR gcov/profile/26570
3533 * value-prof.c (static_values): Removed.
3534 (tree_find_values_to_profile): Do not set static_values.
3535 (find_values_to_profile): Do not free static_values.
3536 * profile.c (instrument_values): Do not free the values.
3537 (branch_prob): Free the values.
3539 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3541 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3543 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3546 * c-typeck.c (build_component_ref): Combine qualifiers of
3547 structure or union and field.
3549 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3551 PR rtl-optimization/28071
3552 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3553 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3554 * tree-into-ssa.c (struct dom_dfsnum): New.
3555 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3557 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3558 compute_global_livein.
3559 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3560 in phi nodes in the correct blocks.
3562 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3564 PR tree-optimization/28364
3565 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3567 (fold_affine_expr): New function.
3568 (may_eliminate_iv): Use fold_affine_expr.
3570 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3573 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3576 2006-08-16 Mike Stump <mrs@apple.com>
3578 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3579 * doc/cppopts.texi (-MD): Likewise.
3581 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3584 * c-common.c (handle_weak_attribute): Ignore and warn if
3585 not a FUNCTION_ or VAR_DECL.
3587 2006-07-15 Mike Stump <mrs@apple.com>
3590 * c-parser.c (c_parser_typeof_specifier): Don't use
3591 c_finish_expr_stmt, open code desired semantics instead.
3593 2006-08-15 Nick Clifton <nickc@redhat.com>
3595 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3596 fragment to tmake_file only if threads are enabled.
3597 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3598 * config/i386/t-gthr-win32: New file. ... here.
3600 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3603 * c-parser.c (c_parser_compound_statement_nostart): Reset
3604 parser->error after each statement.
3606 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3609 * omp-low.c (lower_omp_parallel): Convert t to
3610 receiver_decl's type.
3611 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3612 source before comparison.
3615 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3616 to itype in assignment to oldival2.
3618 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3622 * c-typeck.c (build_compound_expr): If the second expression
3623 is an error mark, then just return an error mark instead of
3624 creating a COMPOUND_EXPR.
3626 2006-07-14 Mike Stump <mrs@apple.com>
3628 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3630 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3632 * c-decl.c, var-tracking.c: Fix comment typos.
3634 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3636 PR rtl-optimization/28634
3637 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3638 for floating-point modes unless flag_unsafe_math_optimizations.
3640 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3641 Andrew Pinski <pinskia@physics.uc.edu>
3644 * tree.c (build_array_type): Unify array types with
3645 unspecified index_type.
3646 * c-decl.c (grokdeclarator): Make sure we do not modify a
3647 unified incomplete array type.
3648 * c-typeck.c (store_init_value): Create distinct type before
3649 filling in the index type in an initializer from a compound
3652 * c-decl.c (grokdeclarator): Remove code where we copy the
3655 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3657 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3658 into account for TODO_dump_cgraph.
3659 (TODO_update_ssa_no_phi): Likewise.
3660 (TODO_update_ssa_full_phi): Likewise.
3661 (TODO_update_ssa_only_virtuals): Likewise.
3662 (TODO_remove_unused_locals): Likewise.
3663 (TODO_set_props): Likewise.
3664 (TODO_update_stmt_usage): Likewise.
3666 2006-08-13 Dirk Mueller <dmueller@suse.de>
3668 * c-common.c (strict_aliasing_warning): Fix formatting.
3670 2006-08-13 Matthias Klose <doko@debian.org>
3672 * doc/invoke.texi: Fix spelling errors.
3674 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3676 PR rtl-optimization/23454
3677 * reorg.c (relax_delay_slots): Update comment.
3679 2006-08-11 Richard Guenther <rguenther@suse.de>
3682 * simplify-rtx.c (simplify_const_relational_operation):
3683 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3686 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3688 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3689 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3691 2006-08-10 Paul Brook <paul@codesourcery.com>
3693 * final.c (final_scan_insn): Clear current_insn_predicate before
3694 outputting inline asm.
3696 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3698 PR tree-optimization/26197
3699 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3700 get_ref_base_and_extent and overlap_subvar to add only relevant
3701 subvars as may-aliases.
3702 (add_may_alias_for_new_tag): New function, factored out of
3704 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3705 with additional argument.
3706 * tree-flow.h (new_type_alias): Takes additional argument.
3708 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3710 * gcov.c (no_data_file): New flag.
3711 (read_count_file): Set it if data file not present. Assume counts
3713 (output_lines): Don't name the data file, if there wasn't one.
3715 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3717 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3718 (rs6000_generate_compare): Tweak comments.
3719 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3721 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3723 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3724 (var_debug_decl): New function.
3725 (var_reg_set): Follow debug decl link. Add location even if
3726 reg is already known to hold some other variable.
3727 (var_mem_set): Follow debug decl link.
3728 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3729 decl link. Delete other known locations of the variable part
3731 (var_reg_delete, var_mem_delete): Delete other known locations
3732 of the variable part if requested.
3733 (same_variable_part_p): New function.
3734 (add_stores): Select MO_COPY when appropriate.
3735 (vt_initialize): Handle it.
3736 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3737 known locations for MO_SET and MO_CLOBBER.
3738 (find_variable_location_part): New function.
3739 (set_variable_part, delete_variable_part): Use it.
3740 (clobber_variable_part): New function.
3741 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3744 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3746 PR tree-optimization/26969
3747 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3748 with an empty list of PHIs.
3750 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3754 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3757 2006-08-06 Andreas Schwab <schwab@suse.de>
3759 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3760 string. Whitespace and comment fixup.
3762 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3765 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3769 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3772 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3774 2006-08-04 Jan Hubicka <jh@suse.cz>
3778 * reload.c (push_reload): Patch out the mismatching instruction;
3780 (find_reload): Bail out if the instruction was patched out.
3782 2006-08-04 Jan Hubicka <jh@suse.cz>
3784 PR tree-optimization/24888
3785 * tree-inline.c (expand_call_inline): Do not re-record variables.
3786 (declare_inline_vars): Add variable to unexpanded_var_list.
3788 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3789 Roger Sayle <roger@eyesopen.com>
3791 PR rtl-optimization/26244
3792 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3793 inner_const are negative or greater than or equal to the bitsize of
3794 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3795 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3796 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3797 CONST0_RTX (mode) when the new shift count is greater than or equal to
3798 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3801 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3803 * tree-cfg.c: Fix a comment typo.
3805 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3808 * varasm.c (output_constant): Give the front end another chance to
3809 expand constants, after stripping NOPs.
3811 2006-08-03 Jan Hubicka <jh@suse.cz>
3813 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3816 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3818 PR tree-optimization/27770
3819 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3820 declaration removed (moved to tree-flow.h).
3821 (vect_can_force_dr_alignment_p): Likewise.
3822 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3823 (moved from tree-vectorizer.h).
3824 (vect_can_force_dr_alignment_p): Likewise.
3825 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3826 from outside the vectorizer - in particular from cgraph stage.
3827 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3828 the alignment of global arrays when -fsection-anchors is enabled.
3829 * cgraphunit.c (cgraph_increase_alignment): New function.
3830 (cgraph_optimize): Call cgraph_increase_alignment.
3832 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3835 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3836 not reload a SPE symbol_ref into a lo_sum address.
3838 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3841 * dwarf2out.c (prune_unused_types_prune): Move call to
3842 prune_unused_types_update_strings to cover the parent DIE also.
3844 2006-08-02 Jan Hubicka <jh@suse.cz>
3846 PR gcov/profile/28480
3847 * tree-cfg.c (change_bb_for_stmt): New function.
3848 (tree_merge_blocks, tree_split_blocks): Use it.
3850 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3856 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3857 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3858 (cgraph_optimize): Likewise.
3860 2006-08-01 Stuart Hastings <stuart@apple.com>
3862 * rtl.h (UINTVAL) New.
3863 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3864 * testsuite/gcc.dg/20060801-1.c: New.
3866 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3869 * c-typeck.c (build_external_type): Mark used enum types.
3870 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3872 (gen_subprogram_die): Whitespace fix.
3874 2006-08-01 Jan Hubicka <jh@suse.cz>
3876 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3877 bitmap when not needed.
3878 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3881 2006-08-01 Dirk Mueller <dmueller@suse.de>
3883 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3885 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3887 * Makefile.in: Revert part of previous patch:
3888 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3891 2006-07-30 Eric Christopher <echristo@apple.com>
3894 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3895 (PowerPC Variable Attributes): New section.
3897 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3899 PR target/28126 (partial fix)
3900 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3902 2006-07-28 Jan Hubicka <jh@suse.cz>
3904 PR rtl-optimization/28071
3905 * cfgrtl.c (rtl_delete_block): Free regsets.
3906 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3908 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3910 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3911 and variables used in dependencies.
3913 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3915 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3916 %fs for -mcmodel=kernel.
3917 (stack_tls_protect_test_di): Likewise.
3919 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3921 * Makefile.in: Use mkinstalldirs.
3923 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3926 * opts-common.c (prune_options): Skip joined switches.
3928 2006-07-27 Jan Hubicka <jh@suse.cz>
3930 PR rtl-optimization/28071
3931 * cselib.c (cselib_process_insn): Don't remove useless values too
3932 often for very large hashtables.
3934 2006-07-27 Jan Hubicka <jh@suse.cz>
3936 PR rtl-optimization/28071
3937 * global.c (greg_obstack): New obstack.
3938 (allocate_bb_info): Use it.
3939 (free_bb_info): Likewise.
3940 (modify_reg_pav): Likewise.
3942 2006-07-27 Roger Sayle <roger@eyesopen.com>
3944 * builtins.c (fold_fixed_mathfn): When long and long long are the
3945 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3946 functions to their lceil*, lfloor*, lround* and lrint* forms.
3948 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3951 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3953 (rev_branch_insn): Likewise.
3955 2006-07-27 Jan Hubicka <jh@suse.cz>
3957 PR rtl-optimization/28071
3958 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3959 (reg_set_in_bb, max_reg_computed): New static variables.
3960 (regmove_optimize): Free the new array.
3961 (fixup_match_1): Update call of reg_is_remote_constant_p.
3963 2006-07-26 Jan Hubicka <jh@suse.cz>
3965 PR tree-optimization/27882
3966 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3968 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3970 (cgraph_analyze_compilation_unit): Likewise.
3971 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3972 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3973 (cgraph_early_inlinine): Make order garbage collected.
3974 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3976 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3978 * dbxout.c (output_types_sort): Add a comment.
3979 (output_used_types): Free the VEC.
3981 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3983 * function.c (reorder_fix_fragments): Delete.
3984 (reorder_blocks): Don't call it.
3985 (reorder_blocks_1): Put all subblocks under the origin block.
3987 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3989 PR rtl-optimization/27907
3990 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3993 2006-07-25 Roger Sayle <roger@eyesopen.com>
3996 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3997 bar(x) check that bar's result type can represent all the values of T.
3999 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4001 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4003 2006-07-25 Nick Clifton <nickc@redhat.com>
4005 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4006 size_lookup[] array.
4007 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4008 (ggc_pch_count_object): Likewise.
4009 (ggc_pch_alloc_object): Likewise.
4010 (ggc_pch_write_object): Likewise.
4011 (init_ggc): Do not attempt to initialize entries in the
4012 size_lookup[] array for objects whose size is greater than than
4013 the length of the array.
4015 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4017 * dbxout.c (output_used_types_helper): Push queued types
4019 (output_types_sort): New.
4020 (output_used_types): Collect used types on a VEC and sort them
4023 2006-07-24 Richard Guenther <rguenther@suse.de>
4026 * cgraph.c (cgraph_remove_node): Do not check if dumps
4028 * cgraphunit.c (cgraph_optimize): Likewise.
4030 2006-07-24 Jan Hubicka <jh@suse.cz>
4032 PR rtl-optimization/28071
4033 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4034 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4035 splitting before first stmt.
4037 2006-07-24 Jan Hubicka <jh@suse.cz>
4039 PR rtl-optimization/28071
4040 * ipa-inline.c (update_caller_keys): Remove edges that
4041 are no longer inline candidates.
4043 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4046 * dbxout.c (output_used_types_helper, output_used_types): New.
4047 (dbxout_symbol): Call output_used_types.
4049 2006-07-23 Jan Hubicka <jh@suse.cz>
4053 * cgraph.c (cgraph_varpool_nodes): Export.
4054 (decide_is_variable_needed): Ignored "used" attribute in
4055 unit-at-a-time mode.
4056 * cgraph.h (cgraph_varpool_nodes): Declare.
4057 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4058 unit-at-a-time mode.
4060 2006-07-23 Roger Sayle <roger@eyesopen.com>
4063 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4064 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4065 the __gthrw form of thr_keycreate.
4066 (__gthread_key_delete): Silence the unused argument warning.
4068 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4071 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4072 Cache the last found '\0' marker to avoid quadratic behavior.
4074 2006-07-23 Jan Hubicka <jh@suse.cz>
4076 * i386.md (subsi_3_zext): Fix output template.
4078 2006-07-21 Mike Stump <mrs@apple.com>
4080 * doc/invoke.texi (C++ Dialect Options): Note that
4081 -fvisibility-inlines-hidden doesn't affect explicitly
4082 instantiationed inline methods.
4084 2006-07-20 Roger Sayle <roger@eyesopen.com>
4086 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4087 if the target assembler is GNU binutils' gas.
4088 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4089 whether to pass GNU gas or native as command line options.
4091 2006-07-20 Jason Merrill <jason@redhat.com>
4093 * tree.c (remove_attribute): New fn.
4094 * tree.h: Declare it.
4096 2006-07-20 Paul Brook <paul@codesourcery.com>
4099 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4100 they are invalidated by this instruction.
4102 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4105 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4107 2006-07-20 Eric Christopher <echristo@apple.com>
4110 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4112 2006-07-19 Eric Christopher <echristo@apple.com>
4114 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4115 Rewrite dependencies for libgcc_s.1.dylib.
4117 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4119 * except.c (duplicate_eh_regions_1): Clear next_peer.
4121 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4123 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4124 -mlongcall does not guarantee all calls will be long.
4125 * doc/extend.texi (long_call/short_call): Document that longcall
4126 does not guarantee a long call will be used.
4127 (longcall/shortcall): Likewise.
4129 2006-07-18 Roger Sayle <roger@eyesopen.com>
4132 * expmed.c (expand_shift): Additionally check that the shift_cost
4133 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4134 before implementing a LSHIFT_EXPR as a sequence of additions.
4135 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4136 middle-end that DImode shifts need to be synthesized by expand.
4138 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4141 * tree-ssa-operands.c (access_can_touch_variable): Update
4143 Return true if ALIAS is .GLOBAL_VAR.
4145 2006-07-18 David Daney <ddaney@avtrex.com>
4147 * gcc.c (display_help): Fix typo in help text.
4149 2006-07-18 Olivier Hainque <hainque@adacore.com>
4151 * tree.h (categorize_ctor_elements): Adjust prototype and add
4152 descriptive comment, both in accordance with the interface change
4154 * varasm.c (constructor_static_from_elts_p): New function.
4155 Whether a constructor node is a valid static constant initializer
4156 if all its elements are.
4157 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4158 * output.h: Declare it.
4159 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4160 is a valid constant initializer instead of computing the number of
4161 non-constant elements. Use constructor_static_from_elts_p for this
4162 purpose. Replace the head comment with an indication that this is a
4163 helper for categorize_ctor_elements.
4164 (categorize_ctor_elements): Same interface change as for the _1
4165 helper. Former head comment from this helper moved here, adjusted to
4166 account for the interface changes.
4167 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4168 (all_zeros_p): Likewise.
4169 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4170 static versions of the constructor from the categorize_ctor_elements
4171 return value instead of the formerly computed number of non-constant
4174 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4176 * configure: Regenerate.
4177 * Makefile.in (build_libsubdir): New configure substitution
4178 (build_libobjdir): New variable.
4179 (BUILD_LIBIBERTY): Use it.
4181 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4184 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4186 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4189 * c-common.c (handle_weakref_attribute): Ignore attribute in
4190 the same conditions the alias attribute is ignored.
4192 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4194 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4195 (dbxout_begin_prologue): Increment scope_labelno.
4197 2006-07-17 Richard Henderson <rth@redhat.com>
4200 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4203 2006-07-17 Roger Sayle <roger@eyesopen.com>
4204 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4206 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4207 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4208 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4209 functions such as sbrk, write, etc.. Add function prototypes.
4210 Convert function declarations from K&R to ISO C. Cast pointers
4211 to "long" and "unsigned long" instead of "int" and "unsigned int".
4212 Convert tokens following #endif into comments.
4214 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4216 * invoke.texi: Remove mention of f77; Reformat table for
4217 inline parameter options correctly; mention that -malign-double
4218 is default on x86-64 targets.
4220 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4222 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4223 (convert_affine_scev, chrec_convert_aggressive): Use
4224 avoid_arithmetics_in_type_p. Do not check for the subtypes
4227 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4230 * optabs.c (expand_doubleword_shift): Wrap the call to
4231 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4233 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4236 * optabs.c (expand_binop): Pass next_methods rather than methods
4237 to expand_doubleword_shift.
4239 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4242 * tree.h (dump_addr): Declare.
4243 * print-tree.c (dump_addr): New function.
4244 (print_node_brief, print_node): Use it.
4245 * print-rtl.c (print_rtx): Likewise.
4246 * common.opt (-fdump-noaddr): New option.
4247 * doc/invoke.texi (-fdump-noaddr): Document.
4248 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4249 (ve_info_hash): Likewise.
4251 2006-07-13 Andrew Haley <aph@redhat.com>
4253 PR tree-optimization/19505
4254 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4255 edge leaving this block, make sure that the destination of this
4256 block has only one predecessor.
4258 2006-07-17 Richard Guenther <rguenther@suse.de>
4260 PR tree-optimization/28238
4261 * tree-inline.c (copy_bb): Check if we produced valid
4262 gimple copying and substituting a stmt. If not, gimplify
4265 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4267 * optabs.c (maybe_encapsulate_block): New function extracted from...
4268 (emit_libcall_block): ...here. Invoke it on the block of insns to
4269 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4270 (emit_no_conflict_block): Likewise.
4272 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4274 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4276 2006-07-15 Roger Sayle <roger@eyesopen.com>
4278 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4279 a new NOP_EXPR case of the switch statement.
4281 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4284 * stor-layout.c (place_field): Take the bit field with
4285 an excessive size into account in the ms-bitfiled case.
4288 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4289 the previous bit field.
4291 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4294 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4296 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4298 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4299 signal frames correctly even when the signal was installed with
4302 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4304 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4305 (dbxout_function_end): Use local label LFBB. Remove hook
4307 (dbxout_source_line): Use local label LFBB.
4308 (dbxout_block): Likewise.
4309 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4310 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4311 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4312 and DBX_OUTPUT_NFUN.
4314 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4316 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4318 2006-07-13 Jan Hubicka <jh@suse.cz>
4320 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4322 * output.h (align_variable): Declare.
4323 * varasm.c (align_variable): Export.
4324 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4325 when basic block changed.
4327 2006-07-13 Nick Clifton <nickc@redhat.com>
4329 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4330 walking the LOG_LINKS chain.
4332 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4334 * doc/invoke.texi (C++ Dialect Options): Explain difference
4335 between -fvisibility-inlines-hidden and setting hidden
4336 visibility explicitly.
4338 2006-07-12 Eric Christopher <echristo@apple.com>
4340 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4341 (stmp-lipo): Depend on libgcc.a.
4343 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4345 * tree.c: Fix a comment typo.
4347 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4349 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4351 (umulhisi3_r): Likewise.
4353 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4356 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4357 x < 19, vs wchar_t support.
4359 2006-07-12 Nick Clifton <nickc@redhat.com>
4361 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4362 instead of -isa=sh4.
4364 2006-07-12 Mike Stump <mrs@apple.com>
4366 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4368 2006-07-10 Eric Christopher <echristo@apple.com>
4370 * config/t-slibgcc-darwin: Rewrite.
4372 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4375 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4378 2006-07-08 Matthias Klose <doko@debian.org>
4380 * doc/sourcebuild.texi: Fix typo.
4382 2006-07-07 Mike Stump <mrs@apple.com>
4384 * toplev.c (process_options): Don't give -ffunction-sections may
4385 affect debugging warning for Mach-O.
4387 2006-07-07 James E Wilson <wilson@specifix.com>
4389 * config/mips/mips.md (cpu): Add sb1a.
4390 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4391 addition to sb1. Adjust comments to clarify SB-1A differences from
4393 (ir_sb1a_load): New. Modify bypasses to use it.
4394 (ir_sb1a_simple_alu): Likewise.
4395 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4396 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4397 (mips_issue_rate): Add PROCESSOR_SB1A.
4398 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4399 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4400 (TARGET_SB1): Add PROCESSOR_SB1A check.
4401 (TUNE_SB1): Likewise.
4403 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4404 * config/mips/mips.c (mips_store_data_bypass_p): New.
4405 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4406 store_data_bypass_p.
4408 2006-07-08 Paul Brook <paul@codesourcery.com>
4411 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4413 2006-07-07 Richard Guenther <rguenther@suse.de>
4416 * tree.h (build_one_cst): Declare.
4417 * tree.c (build_one_cst): New function.
4418 * tree-ssa-math-opts.c (get_constant_one): Remove.
4419 (insert_reciprocals): Use build_one_cst.
4420 * fold-const.c (fold_plusminus_mult): Likewise.
4422 2006-07-07 Roger Sayle <roger@eyesopen.com>
4424 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4425 * cfgloopanal.c (dump_graph): Likewise.
4426 * dojump.c (discard_pending_stack_adjust): Likewise.
4427 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4429 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4430 * function.c (finalize_block_changes): Likewise.
4431 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4432 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4433 * rtl.c (dump_rtx_statistics): Likewise.
4434 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4436 * varray.c (dump_varray_statistics): Likewise.
4437 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4438 decode_decimal64, encode_decimal128, decode_decimal128,
4439 decimal_real_to_decimal): Likewise.
4441 2006-07-07 Richard Guenther <rguenther@suse.de>
4443 PR tree-optimization/28187
4444 * tree-vrp.c (vrp_operand_equal_p): New function.
4445 (vrp_bitmap_equal_p): Likewise.
4446 (update_value_range): Use them to compare old and new
4449 2006-07-06 Roger Sayle <roger@eyesopen.com>
4451 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4452 a default case to switch statement to silence compiler warnings.
4454 2006-07-06 Roger Sayle <roger@eyesopen.com>
4457 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4458 the configured assembler supports the x87's ffreep mnemonic.
4459 * configure: Regenerate.
4460 * config.in: Regenerate.
4462 * config/i386/i386.c (output_387_ffreep): New function.
4463 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4464 (output_387_reg_move): Likewise.
4466 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4468 Port to hosts whose 'sort' and 'tail' implementations
4469 treat operands with leading '+' as file names, as POSIX
4470 has required since 2001. However, make sure the code still
4471 works on pre-POSIX hosts.
4472 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4473 which says you should use "tail -c +N" rather than "tail +Nc".
4474 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4476 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4478 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4481 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4484 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4485 PRE_{INC,DEC} of TFmode.
4487 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4488 Alan Modra <amodra@bigpond.net.au>
4491 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4494 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4497 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4498 Remove duplicate gtu.
4500 2006-07-05 Jason Merrill <jason@redhat.com>
4504 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4505 * c-common.c (handle_packed_attribute): So don't copy it here.
4506 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4508 2006-07-05 Mike Stump <mrs@apple.com>
4510 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4512 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4515 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4517 2006-07-05 Richard Guenther <rguenther@suse.de>
4520 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4521 TARGET_SSE2 targets if using SSE math.
4522 (*absdf2_1): Likewise.
4524 2006-07-05 Richard Guenther <rguenther@suse.de>
4526 PR tree-optimization/28162
4527 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4528 make sure to convert the operands to the correct type.
4530 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4532 PR tree-optimization/28218
4534 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4535 to calculate and free the dominator information.
4537 2006-07-04 Peter O'Gorman <peter@pogma.com>
4539 * mklibgcc.in: chmod 644 before ranlib during install.
4541 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4542 J"orn Rennecke <joern.rennecke@st.com>
4544 * configure.ac (.eh_frame data check): Use diff -b.
4546 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4549 * Makefile.in (BUILD_RTL): Add build/vec.o.
4550 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4551 (build/genextract): Delete.
4552 (build/genautomata): Likewise.
4554 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4557 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4558 128-bit IBM long doubles for ABI_V4.
4560 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4562 * tree.c (range_in_array_bounds_p): New predicate.
4563 * tree.h (range_in_array_bounds_p): Declare it.
4564 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4565 return a less conservative answer.
4566 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4567 and flag 'is_group'.
4568 (IS_ELEMENT_FOR_GROUP): New macro.
4569 (FOR_EACH_ACTUAL_CHILD): Likewise.
4570 (next_child_for_group): New helper function.
4571 (can_completely_scalarize_p): Take into account groups.
4572 (sra_hash_tree): Handle RANGE_EXPR.
4573 (sra_elt_eq): Likewise.
4574 (lookup_element): Be prepared for handling groups.
4575 (is_valid_const_index): Delete.
4576 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4577 instead of is_valid_const_index.
4578 <ARRAY_RANGE_REF>: New case.
4579 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4580 is_valid_const_index.
4581 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4582 (scan_dump): Dump info for groups too.
4583 (decide_instantiation_1): Likewise.
4584 (decide_block_copy): Assert that the element is not a group.
4585 Propagate decision to groups.
4586 (generate_one_element_ref): Handle RANGE_EXPR.
4587 (mark_no_warning): Iterate over actual childs.
4588 (generate_copy_inout): Likewise.
4589 (generate_element_copy): Likewise.
4590 (generate_element_zero): Likewise.
4591 (generate_element_init_1): Likewise.
4592 (dump_sra_elt_name): Handle RANGE_EXPR.
4594 2006-07-03 Roger Sayle <roger@eyesopen.com>
4596 PR tree-optimization/26251
4597 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4598 (thread_block): When optimizing for size refuse to thread jumps
4599 that would require duplication of blocks other than redirection
4602 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4604 * configure.ac: Fix thinko in previous check-in.
4605 * configure: Regenerate.
4607 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4610 * configure.ac (for lang...): Simplify nesting of conditionals.
4611 Test subdir_requires for non-enabled languages. Move processing
4612 of lang_opt_files and lang_tree_fiels below that test.
4613 * configure: Regenerate.
4614 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4616 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4618 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4620 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4622 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4625 2006-06-29 Jason Merrill <jason@redhat.com>
4632 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4633 * c-common.c (c_determine_visibility): Handle it here.
4634 * c-decl.c (finish_decl): Call c_determine_visibility for
4636 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4638 * varasm.c (default_assemble_visibility): Likewise.
4639 * c-common.c (handle_visibility_attribute): Complain about trying
4640 to give visibility to an already defined class, or trying to change
4641 declared visibility. Always attach the attribute.
4646 * attribs.c (decl_attributes): Ignore type-in-place attributes
4647 once the type has been defined.
4649 2006-06-29 Roger Sayle <roger@eyesopen.com>
4652 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4653 to indicate the cpplib has issued an error message for us.
4655 2006-06-29 Asher Langton <langton2@llnl.gov>
4658 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4659 insert a label at the end of an function under Mach-O.
4661 2006-06-29 Eric Christopher <echristo@apple.com>
4662 Evan Cheng <evan.cheng@apple.com>
4664 * predicates.md (vector_all_ones_operand): New.
4665 (nonimmediate_or_sse_const_operand): Ditto.
4666 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4667 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4668 (standard_sse_mode_p): Ditto.
4669 (standard_sse_constant_p): Add case for -1 vector.
4670 (ix86_expand_vector_move): Try to use.
4671 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4672 Call standard_sse_constant_opcode.
4673 (*movv4sf_internal): Ditto.
4674 (*movv2df_internal): Ditto.
4676 2006-06-29 Roger Sayle <roger@eyesopen.com>
4678 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4679 of XEXP to extract the operands of a MATCH_CODE rtx.
4681 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4683 * tree.c (tree_size): Do not waste tail padding in
4684 struct tree_string and make the size be the same as
4685 build_string will generate.
4687 2006-06-28 Jason Merrill <jason@redhat.com>
4690 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4691 may_aliases already in the tag's annotations to the bitmap.
4693 2006-06-28 Roger Sayle <roger@eyesopen.com>
4695 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4697 2006-06-28 Roger Sayle <roger@eyesopen.com>
4699 * genpreds.c (generate_switch_p): New function.
4700 (add_mode_tests): Push the new mode test down inside an AND expr
4701 if this allows the switch-suitable MATCH_CODE to be near the root.
4702 (write_match_code_switch): New function to write a MATCH_CODE as
4704 (write_predicate_stmts): New function to write a predicate RTX
4705 expression as a sequence of statements.
4706 (write_one_predicate_function): Use write_predicate_stmts.
4707 (write_tm_constrs_h): Likewise.
4709 2006-06-26 Fred Fish <fnf@specifix.com>
4711 * config/mips/t-sb1: New file.
4712 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4715 2006-06-26 DJ Delorie <dj@redhat.com>
4717 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4719 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4720 Jayant Sonar <jayants@kpitcummins.com>
4721 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4723 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4724 (subsi3, subsi3_1, subsi3_2): New.
4725 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4726 * config/m32c/mov.md (SI mov peephole): New.
4727 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4728 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4730 2006-06-26 Olivier Hainque <hainque@adacore.com>
4732 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4733 a CALL_EXPR target function declaration.
4735 2006-06-26 Richard Guenther <rguenther@suse.de>
4737 * tree.c (build_string): Do not waste tail padding in
4740 2006-06-26 Richard Guenther <rguenther@suse.de>
4742 * ggc-page.c (init_ggc): Add missing element to size_lookup
4746 2006-06-23 Richard Guenther <rguenther@suse.de>
4748 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4749 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4750 alignment requests instead. Add verification code.
4751 Add struct tree_function_decl and struct tree_binfo size to
4752 extra_order_size_table. Add missing element to size_lookup
4755 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4758 * fold-const.c (const_binop): Be prepared for self returning zero.
4759 Simplify code handling complex values.
4761 2006-06-24 Olivier Hainque <hainque@adacore.com>
4763 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4764 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4767 2006-06-24 Olivier Hainque <hainque@adacore.com>
4769 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4770 ARRAY_REF, so have the callback called for the low bound expression.
4772 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4774 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4775 * c-typeck.c (c_common_type): Disallow operations on decimal float
4776 types and other float types.
4777 * convert.c (convert_to_real): Don't ignore conversions involving
4778 decimal float types.
4780 2006-06-23 Olivier Hainque <hainque@adacore.com>
4782 * tree.c (max_int_size_in_bytes): New function, inspired from
4783 code in function.c:assign_temp.
4784 * tree.h (max_int_size_in_bytes): Declare.
4785 * function.c (assign_temp): Use it.
4786 * gimplify.c (create_tmp_var): Relax the assertions on the type
4787 properties, not mandating constant size any more.
4788 (force_constant_size): New static function.
4789 (gimple_add_tmp_var): Use it, forcing variable size to a
4790 constant upper bound if it is not constant on entry.
4792 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4795 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4796 for initialization and setting of one_only flag to ...
4797 (i386_pe_encode_section_info): ...here.
4798 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4799 Recheck that the symbol has not been defined.
4801 2006-06-23 Richard Guenther <rguenther@suse.de>
4803 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4804 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4805 alignment requests instead. Add verification code.
4806 Add struct tree_function_decl and struct tree_binfo size to
4807 extra_order_size_table. Add missing element to size_lookup
4810 2006-06-22 Roger Sayle <roger@eyesopen.com>
4811 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4814 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4815 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4817 2006-06-23 Ben Elliston <bje@au.ibm.com>
4819 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4820 negate dn -- manipulate it directly.
4822 2006-06-22 Roger Sayle <roger@eyesopen.com>
4823 Steven Bosscher <stevenb.gcc@gmail.com>
4826 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4827 generated by gen_move_insn to add REG_LABEL notes if necessary.
4829 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4831 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4832 (leaf_entry): Remove use of MIN_ESA.
4834 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4836 PR rtl-optimization/28121
4837 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4840 2006-06-21 DJ Delorie <dj@redhat.com>
4842 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4844 (mulhisi3_r): Likewise.
4846 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4849 * coverage.c (coverage_counter_alloc): Leave the index type
4851 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4854 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4856 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4857 section from the "Options for Code Generation Conventions".
4859 2006-06-21 Richard Henderson <rth@redhat.com>
4863 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4865 (global_symbolic_operand): Allow weak symbols, even if local_p.
4867 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4869 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4870 (find_interesting_uses_address): Punt if above function returns true.
4872 2006-06-21 Richard Guenther <rguenther@suse.de>
4874 * configure: Regenerated.
4876 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4878 * config/mips/mips.c (function_arg): Where one part of a
4879 complex argument is in registers and the other part in the stack,
4880 return a REG not a PARALLEL.
4882 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4884 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4885 when cross-compiling. Do not substitute libstdcxx_incdir.
4886 * configure: Regenerated.
4888 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4890 * varasm.c (mergeable_string_section): Check for embedded NULs and
4891 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4892 rather than TREE_STRING_LENGTH bytes.
4894 2006-06-21 Richard Guenther <rguenther@suse.de>
4896 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4897 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4900 2006-06-21 Richrad Guenther <rguenther@suse.de>
4902 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4903 Limit iteration over the dominators.
4905 2006-06-20 Roger Sayle <roger@eyesopen.com>
4907 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4908 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4910 2006-06-20 Richard Guenther <rguenther@suse.de>
4911 Michael Matz <matz@suse.de>
4913 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4915 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4916 * et-forest.h (et_free_pools): Prototype new function.
4917 * et-forest.c (et_free_tree_force): Free parent occurrence.
4918 (et_free_pools): New function.
4919 * dominance.c (free_dominance_info): Free et-forest alloc
4922 2006-06-20 Roger Sayle <roger@eyesopen.com>
4924 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4925 integer modes, attempt to directly construct an integer constant.
4927 * fold-const.c (native_encode_vector): Determine the size of each
4928 element from the vector type instead of the first vector element.
4930 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4931 if all of its elements/components are constant.
4932 (build_constructor_from_list): Likewise.
4934 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4936 PR tree-optimization/27331
4937 * tree-data-ref.c (free_data_ref): New function.
4938 (create_data_ref): Fail if the data reference has unknown access
4940 (free_data_refs): Use free_data_ref.
4942 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4945 * tree-inline.c (setup_one_parameter): Strip useless
4946 type conversion before adding it to the IR.
4947 (declare_return_variable): Likewise.
4949 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4952 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4954 2006-06-19 Mike Stump <mrs@apple.com>
4956 * tree.c (variably_modified_type_p): VM arguments don't make the
4959 2006-06-19 Richard Guenther <rguenther@suse.de>
4961 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4962 type conversions after folding.
4964 2006-06-19 Richard Guenther <rguenther@suse.de>
4966 * ggc-page.c (extra_order_size_tab): Add entries with
4967 size of struct function and basic_block.
4968 (size_lookup): Extend to cover sizes up to 511.
4969 (ggc_alloc_stat): Adjust user.
4970 (ggc_pch_count_object): Likewise.
4971 (ggc_pch_alloc_object): Likewise.
4972 (ggc_pch_write_object): Likewise.
4974 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4976 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4977 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4980 2006-06-19 Denis Chertykov <denisc@overta.ru>
4982 * config/avr/libgcc.S : Correct my wrong previous commit.
4984 2006-06-19 Roger Sayle <roger@eyesopen.com>
4987 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4988 have stripped a SUBREG from the shift count, so we may need to
4989 convert_to_mode back to the type's mode before calling make_tree.
4990 Use new_amount instead of amount to avoid expanding a tree twice.
4992 2006-06-19 Richard Guenther <rguenther@suse.de>
4995 * fold-const.c (operand_equal_p): Check if the argument types
4996 have the same precision before stripping NOPs.
4998 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5000 Fix PR tree-optimization/27341
5001 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5003 * tree-complex.c (pass_lower_complex): Update SMT usage.
5005 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5007 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5008 Add a new alternative to the constraint strings. Add move of
5009 operand 1 to 3 to the splitter definition.
5010 ("doloop_si_long"): Second contraint alternative removed.
5012 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5014 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5015 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5017 (AVR_HAVE_MOVW) Define.
5018 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5019 (ASM_SPEC): Add avr25.
5020 (LINK_SPEC): Add avr25.
5021 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5022 (base_arch_s): Add new member 'have_movw_lpmx'.
5023 (avr_arch_types): Init 'have_movw_lpmx'.
5024 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5025 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5026 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5027 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5028 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5030 (avr_file_start): Do not output '.arh' derective.
5031 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5032 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5033 * config/avr/avr.md (mcu_enhanced): Delete.
5034 (mcu_have_movw): Define.
5035 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5036 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5037 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5038 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5039 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5040 attiny861 and at86rf401 devices.
5042 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5044 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5047 2006-06-17 Karl Berry <karl@gnu.org>
5049 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5050 doc/gccint.texi, doc/install.texi (@dircategory): Use
5051 "Software development" instead of "Programming", following
5052 the Free Software Directory.
5054 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5056 * config/i386/i386.c (legitimate_tls_address)
5057 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5058 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5059 (*tls_dynamic_gnu2_combine_64): Likewise.
5061 2006-06-16 Richard Guenther <rguenther@suse.de>
5064 * fold-const.c (negate_expr_p): Do not introduce undefined
5065 overflow in negating INTEGER_CSTs.
5066 (fold_negate_expr): Rename from negate_expr. Revert last
5067 change for folding BIT_NOT_EXPR. Change semantics to
5068 return NULL_TREE for non-simplified negations. Do not
5069 strip type conversions and unify type handling.
5070 (negate_expr): New function, wrap around fold_negate_expr
5071 but ensure building a tree always. Strip type conversions
5072 here, fold to result type.
5073 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5075 2006-06-16 Roger Sayle <roger@eyesopen.com>
5078 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5079 that (would) return their results in stack registers.
5081 2006-06-16 Michael Matz <matz@suse.de>
5082 Richard Guenther <rguenther@suse.de>
5084 * fold-const.c (fold_truthop): Only return new tree node if
5085 we canonicalized something.
5087 2006-06-16 Richard Guenther <rguenther@suse.de>
5089 * function.h (enum function_frequency): Move declaration
5090 out of struct function.
5091 (struct function): Move bool fields and the enum to the bitfield
5092 section. Reorder elements to avoid padding. Remove unused
5093 fields left over from the RTL inliner removal.
5094 * function.c (free_after_compilation): Do not zero removed fields.
5095 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5096 (ipa-type-escape.o): Likewise.
5098 2006-06-16 Richard Guenther <rguenther@suse.de>
5100 * cgraph.h (struct cgraph_local_info): Turn bool elements
5102 (struct cgraph_node): Likewise.
5103 (struct cgraph_varpool_node): Likewise.
5105 2006-06-15 Richard Guenther <rguenther@suse.de>
5107 * fold-const.c (fold_truth_not_expr): Rename from
5108 invert_truthvalue. Give it fold_* semantics to avoid
5110 (invert_truthvalue): New function. Wrapper around
5111 fold_truth_not_expr.
5112 (optimize_minmax_comparison): Avoid creating garbage.
5113 (fold_unary): Use fold_truth_not_expr for folding
5115 (fold_ternary): Replace uses of invert_truthvalue with
5116 fold_truth_not_expr where applicable.
5117 * tree.h (fold_truth_not_expr): Prototype.
5119 2006-06-16 Richard Guenther <rguenther@suse.de>
5121 PR tree-optimization/27781
5122 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5123 * ipa-pure-const.c (target.h): Include.
5124 (analyze_function): Do not analyze functions that do not
5127 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5130 * tree-dfa.c (referenced_vars_dup_list): Remove.
5131 (find_referenced_vars): Remove assert.
5132 (referenced_var_check_and_insert): Replace dup list with assert.
5133 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5134 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5136 2006-06-15 Richard Guenther <rguenther@suse.de>
5138 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5139 extra unused identifiers if not dumping.
5140 (create_variable_info_for): Likewise.
5142 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5144 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5145 (derive_constant_upper_bound): Derive more precise upper bound in
5146 common cases. Return type changed to double_int.
5147 (record_estimate): Reflect the changed return type of
5148 derive_constant_upper_bound.
5149 * double-int.c (double_int_zext, double_int_sext): Fix.
5151 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5153 * configure.ac (CFLAGS): Get them from the toplevel or from the
5154 configure invocation.
5155 * configure: Regenerate.
5156 * Makefile.in (CFLAGS): Substitute value provided by configure.
5158 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5161 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5162 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5163 rather than calling add_stmt on it.
5164 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5166 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5169 * reload1.c (reload): Remove registers returned by update_eliminables
5170 from used_spill_regs.
5172 2006-06-13 DJ Delorie <dj@redhat.com>
5174 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5176 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5178 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5179 html__strip_dir, html__mkdir_p. Enhance install-html target.
5180 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5181 * configure: Regenerate.
5183 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5185 * fold-const.c (fold_cond_expr_with_comparison): Check for
5186 Objective-C++ as language in deciding COND_EXPR transformation.
5188 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5191 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5192 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5193 * config/sh/lib1funcs.h (SL, SL1): Define.
5194 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5195 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5196 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5197 (OBJS_Os_4_200): New variable.
5198 ($(T)libgcc-Os-4-200.a): Use it.
5199 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5200 when dividing 1 and/or by 0.
5202 2006-06-13 Roger Sayle <roger@eyesopen.com>
5204 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5205 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5206 * configure: Regenerate.
5208 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5210 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5211 for real instruction.
5213 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5216 * haifa-sched.c (check_cfg): Handle special case.
5218 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5221 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5222 Add debug_info parameter. Chain the vars to the BLOCK instead
5223 of the BIND_EXPR if debug info are requested for them.
5224 (pop_gimplify_context): Adjust for above change.
5225 (gimple_add_tmp_var): Likewise.
5226 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5228 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5229 (convert_local_reference): Likewise.
5230 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5231 (finalize_nesting_tree_1): Request that debug info be emitted
5232 for debug_var_chain.
5234 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5236 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5237 for PR target/27863.
5239 2006-06-13 Richard Guenther <rguenther@suse.de>
5242 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5244 2006-06-13 Richard Guenther <rguenther@suse.de>
5246 PR tree-optimization/27830
5247 * tree-inline.c (copy_body_r): For copying the operand
5248 of an ADDR_EXPR make sure to fold &* afterwards.
5250 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5252 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5253 lvalues in the fb_none case with side-effects.
5255 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5257 * tree-flow.h: Remove the prototype for
5258 compute_phi_arg_on_exit.
5259 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5260 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5263 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5265 * builtins.c (expand_builtin_return_addr): Only use
5266 frame_pointer_rtx when count == 0 and we are expanding
5267 __builtin_return_address.
5269 2006-06-12 Fred Fish <fnf@specifix.com>
5271 * config/mips/mips.c (mips_file_start): Create special section
5272 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5274 2006-06-11 Eric Christopher <echristo@apple.com>
5277 * stor-layout.c (place_field): Remove check for
5278 remaining_in_alignment when aligning at the end of a run.
5280 2006-06-11 Eric Christopher <echristo@apple.com>
5283 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5286 2006-06-11 Roger Sayle <roger@eyesopen.com>
5289 Revert incorrect fix for PR target/27158
5290 2006-05-08 Roger Sayle <roger@eyesopen.com>
5291 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5292 of a reg_equiv_constant if the result is a legitimate constant.
5294 2006-06-11 Roger Sayle <roger@eyesopen.com>
5297 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5298 extract a CONST_VECTOR element and interpret it as an integer.
5299 (vspltis_constant): Use const_vector_elt_as_int instead of the
5300 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5301 * config/rs6000/predicates.md (easy_vector_const): Consider
5302 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5304 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5307 * stor-layout.c (update_alignment_for_field): Don't add extra
5308 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5311 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5313 * config/mips/t-rtems: Add EL/EB multilib variants.
5315 2006-06-09 Mike Stump <mrs@apple.com>
5317 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5319 2006-06-09 David Daney <ddaney@avtrex.com>
5321 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5323 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5325 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5327 2006-06-09 Richard Guenther <rguenther@suse.de>
5329 PR tree-optimization/26998
5330 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5331 of signed types, only TYPE_MIN_VALUE is special, but for both,
5332 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5333 in this case, as is -fwrapv.
5335 2006-06-08 Mike Stump <mrs@apple.com>
5338 * config/darwin.c (darwin_asm_output_anchor): Disable
5339 -fsection-anchors on darwin for now.
5340 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5341 * rs6000/rs6000.c (optimization_options): Likewise.
5343 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5346 * config/i386/i386.c (classify_argument): Skip fields with invalid
5349 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5351 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5352 (cse_insn): Likewise for the stack_pointer_rtx.
5354 2006-06-08 Roger Sayle <roger@eyesopen.com>
5356 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5357 conditions from floating point comparisons.
5359 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5362 * expmed.c (struct alg_hash_entry): Fix type of field T
5363 to match synth_mult argument.
5364 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5366 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5369 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5372 2006-06-08 Richard Guenther <rguenther@suse.de>
5375 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5376 only, if overflow is defined and not trapping.
5377 (negate_expr): Likewise.
5379 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5381 PR tree-optimization/27872
5382 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5383 flag on the new exit edge of the unrolled loop.
5385 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5387 PR rtl-optimization/26449
5388 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5390 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5393 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5394 referenced_variables with matching DECL_UID's.
5395 (find_referenced_vars): Make sure duplicate list is empty to start.
5396 (referenced_var_p): Remove.
5397 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5398 Check if var is in the list, and add if needed. Update the duplicate
5399 list if a different var is in the list with the same DECL_UID.
5400 (add_referenced_var): Call routine to check and insert.
5401 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5402 * tree-flow.h (referenced_vars_dup_list): External declaration.
5404 2006-06-07 Fred Fish <fnf@specifix.com>
5406 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5409 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5412 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5413 the imaginary and real parts of a clobbered register.
5414 Emit insn to set the imaginary part.
5416 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5418 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5419 in lieu of unwind-dw2-fde.c.
5421 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5423 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5425 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5428 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5429 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5430 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5431 V4SImode temporaries and operations instead.
5433 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5435 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5438 2006-06-06 Mike Stump <mrs@apple.com>
5440 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5441 installing during build.
5443 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5445 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5447 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5448 * config/ia64/ia64.c (params.h): New header.
5449 (ia64_optimization_options): New function to adjust parameters.
5450 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5451 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5452 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5454 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5456 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5458 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5461 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5463 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5464 Victor Kaplansky <victork@il.ibm.com>
5466 PR tree-optimization/26360
5467 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5470 2006-06-04 Roger Sayle <roger@eyesopen.com>
5471 Andrew Pinski <pinskia@physics.uc.edu>
5474 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5475 for LABEL_DECL before calling DECL_WEAK.
5478 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5479 LABEL_DECL and PARM_DECL.
5481 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5485 * c-decl.c (grokdeclarator): Disallow variably modified types at
5486 file scope. Avoid marking shared array type of constant size as
5489 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5492 * c-common.c (fold_offsetof_1): Handle static members.
5494 2006-06-04 Eric Christopher <echristo@apple.com>
5496 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5497 (debug_rli): Output value for remaining_in_alignment.
5498 (update_alignment_for_field): Unconditionalize
5499 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5500 extra alignment code.
5501 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5502 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5503 * tree.h (record_layout_info_s): Remove prev_packed.
5504 * doc/extend.texi (ms_struct): Add documentation of format.
5506 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5508 * tree.h: Declare folding_initializer.
5509 * builtins.c (fold_builtin_constant_p): Give definite answer
5510 if folding inside an initializer.
5511 * fold-const.c: Define folding_initializer.
5512 (START_FOLD_INIT): Save and then set folding_initializer.
5513 (END_FOLD_INIT): Restore folding_initializer.
5515 2006-06-04 Richard Guenther <rguenther@suse.de>
5517 PR tree-optimization/27039
5518 * fold-const.c (fold_comparison): Handle pointer comparison
5519 again for all comparison codes. Compare offsets in signed
5521 (fold_binary): Move code from here.
5523 2006-06-03 Roger Sayle <roger@eyesopen.com>
5526 * config/i386/i386.c (construct_container): Split static issued_error
5527 flag into issued_sse_arg_error, issued_sse_ret_error and
5528 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5529 requires the use of x87 registers and the user explicitly
5530 specified the -mno-80387 command line option.
5532 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5534 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5535 HAVE_DECL_SIGALTSTACK.
5537 (segv_handler): Use MC_FLD.
5538 * configure.ac: Check for a sigaltstack declaration.
5539 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5540 * configure: Regenerate.
5541 * config.in: Regenerate.
5543 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5546 * Makefile.in (stmp-fixinc): Fix typo.
5548 2006-06-02 Roger Sayle <roger@eyesopen.com>
5550 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5551 are type correct. Clean-up.
5552 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5553 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5555 2006-06-01 DJ Delorie <dj@redhat.com>
5557 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5558 shift, as we've disabled the "switch" insn that needs it.
5560 2006-06-01 Per Bothner <bothner@bothner.com>
5562 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5563 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5564 * c-ppoutput.c (cb_define): Don't increment line 0.
5566 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5568 * doc/invoke.texi: Add cpu_type power6.
5569 * config.gcc: Add cpu_type power6.
5570 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5571 to power5+ with Altivec.
5572 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5573 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5575 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5577 * config/avr/avr.h (SET_ASM_OP): Define.
5579 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5581 * config/bfin/bfin.c: Fix comment typos.
5583 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5586 * doc/install.texi: Document --enable-bootstrap and
5587 --disable-bootstrap.
5589 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5591 * doc/install.texi: Document that InfoZIP can replace jar.
5593 2006-05-31 Roger Sayle <roger@eyesopen.com>
5595 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5596 isn't available, directly generate the simpler x87 patterns without
5597 the (use (const_int 0)).
5598 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5599 implementation isn't available.
5600 (*negdf2_1): Likewise.
5601 (*negxf2_1): XF mode negation is always done using the x87.
5602 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5604 2006-05-31 Roger Sayle <roger@eyesopen.com>
5606 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5607 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5609 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5611 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5613 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5614 * config/bfin/bfin.c (basic-block.h): Include.
5615 (struct machine_function): New.
5616 (bfin_init_machine_status): New.
5617 (override_options): Initialize init_machine_status.
5618 (bfin_hardware_loop): New.
5619 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5620 (DEF_VEC_P (loop_info)): New.
5621 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5622 (struct loop_info): New.
5623 (loop_info): New typedef.
5624 (struct loop_work): New.
5625 (loop_work): New typedef.
5626 (DEF_VEC_O (loop_work)): New.
5627 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5628 (bfin_dump_loops): New.
5629 (bfin_bb_in_loop): New.
5630 (bfin_scan_loop): New.
5631 (bfin_optimize_loop): New.
5632 (bfin_reorg_loops): New.
5633 (bfin_reorg): Use bfin_reorg_loops.
5634 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5636 (I_REGNO_P): Simplify.
5637 (DP_REGNO_P, DPREG_P): New macros.
5638 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5639 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5640 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5641 Add LT_REGS, LC_REGS, LB_REGS.
5642 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5644 (REGNO_REG_CLASS): Deal with loop registers.
5645 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5647 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5648 New constants for loop registers.
5649 (UNSPEC_LSETUP_END): New.
5650 (seq_insns): New define_attr. Set it for appropriate insns.
5651 (movsi_insn): Add alternatives for move from/to
5652 loop count registers.
5653 (doloop_end): New define_expand.
5654 (loop_end): New define_insn.
5655 (define_split for bad doloop_end): New.
5656 (lsetup_with_autoinit): New define_insn.
5657 (lsetup_without_autoinit): New define_insn.
5658 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5659 * config/bfin/predicates.md (lc_register_operand): New.
5660 (lt_register_operand): New.
5661 (lb_register_operand): New.
5662 (nondp_register_operand): New.
5663 (nondp_reg_or_memory_operand): New.
5664 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5666 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5668 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5669 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5671 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5673 * Makefile.in (CATALOGS): Add po/ prefix.
5674 * configure: Regenerated.
5676 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5679 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5680 a shift operand before calling shift_op. Avoid redundant call of
5683 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5684 DJ Delorie <dj@redhat.com>
5686 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5687 we're inserting is a singlt-bit constant.
5689 2006-05-30 Roger Sayle <roger@eyesopen.com>
5691 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5692 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5694 2006-05-30 Roger Sayle <roger@eyesopen.com>
5696 PR tree-optimization/23452
5697 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5698 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5699 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5700 complex values and with -ffast-math for FP complex values.
5702 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5704 * c-common.h: Remove the prototype for yyparse.
5705 * rtl.h: Remove the prototype for init_loop.
5707 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5709 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5712 2006-05-30 Roger Sayle <roger@eyesopen.com>
5714 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5716 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5717 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5719 2006-05-30 Dirk Mueller <dmueller@suse.de>
5722 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5723 for CONSTANT_CLASS_P expresisons.
5725 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5728 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5730 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5732 PR tree-optimization/27779
5733 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5734 initial_condition instead of CHREC_LEFT.
5736 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5738 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5739 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5740 Make prototypes ISO C90.
5742 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5743 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5745 * see.c (see_analyze_one_def): Correct check.
5746 (see_get_extension_data): Check if extension is parallel.
5747 (see_get_extension_reg): Likewise.
5749 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5752 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5753 into register for (code == GTU).
5755 2006-05-29 Roger Sayle <roger@eyesopen.com>
5757 PR tree-optimization/24964
5758 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5759 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5760 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5761 abs(x)*abs(x) as x*x for scalar floating point modes.
5763 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5766 * lambda-code.c (perfect_nestify): Don't copy statements
5767 in the inner loop: move them to the inner loop header.
5769 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5772 * c-tree.texi: Document OpenMP directives and clauses.
5774 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5776 * varasm.c (globalize_decl): Fix indentation.
5778 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5781 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5782 pass_fre, pass_store_ccp, pass_copy_prop,
5783 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5784 pass_return_slot, pass_object_size, pass_lim,
5785 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5786 pass_loop_prefetch and pass_stdarg.
5788 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5790 * config/bfin/bfin.opt (mfdpic): New option.
5791 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5792 (EXTRA_MULTILIB_PARTS): Likewise.
5793 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5794 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5796 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5797 (CRT_CALL_STATIC_FUNCTION): New.
5798 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5800 (CRT_CALL_STATIC_FUNCTION): New.
5801 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5803 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5804 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5805 (initialize_trampoline): Changed to handle FD-PIC code generation.
5806 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5807 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5808 (override_options): Disallow -mid-shared-library -mfdpic combination.
5809 Can't do unaligned ops if FD-PIC.
5810 Turn off flag_pic if trying to generate non-id-shared-library
5811 non-fdpic code, since it's not supported.
5812 (bfin_assemble_integer): New function.
5813 (TARGET_ASM_INTEGER): Define.
5814 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5816 * config/bfin/crtn.s: Restore them.
5817 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5819 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5820 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5821 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5822 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5823 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5825 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5826 FDPIC_REGS and FDPIC_FPTR_REGS.
5827 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5828 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5829 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5830 (load_funcdescsi): New pattern.
5831 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5832 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5833 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5835 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5837 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5840 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5842 * tree-flow.h: Remove the prototype for add_type_alias.
5843 * tree-ssa-alias.c (add_type_alias): Remove.
5845 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5847 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5848 config/fr30/fr30.md, config/i386/i386-interix.h,
5849 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5850 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5851 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5852 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5853 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5854 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5855 Follow spelling conventions.
5856 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5857 Follow spelling conventions.
5859 2006-05-27 Richard Guenther <rguenther@suse.de>
5862 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5863 to produce a constant of value 1 of generic type.
5865 2006-05-27 Dirk Mueller <dmueller@suse.de>
5867 * cgraphunit.c (decide_is_function_needed): Fix wrong
5870 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5872 PR rtl-optimization/27661
5873 * reload.c (find_reloads): When reloading a VOIDmode constant
5874 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5875 use Pmode as mode of the reload register.
5877 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5879 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5880 is enabled at -O and above.
5882 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5885 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5888 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5891 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5892 for anonymous variables explicitly declared by front ends.
5894 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5896 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5897 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5898 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5899 ref-all pointers, run a finalization pass for them.
5900 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5901 (finalize_ref_all_pointers): New function.
5902 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5903 regular pointer type to a ref-all pointer type.
5904 (get_tmt_for): Return the special memory tag for ref-all pointers.
5906 2006-05-25 Richard Guenther <rguenther@suse.de>
5909 * fold-const.c (fold_binary): Do not look at the stripped
5910 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5912 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5914 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5915 for LT and GT if the computed range is effectively empty.
5917 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5920 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5921 mips_quad_format formats instead of ieee_single_format,
5922 ieee_double_format and ieee_quad_format formats, respectively.
5924 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5926 PR tree-optimization/27639
5927 PR tree-optimization/26719
5928 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5929 call to scev_probably_wraps_p.
5930 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5931 used_in_pointer_arithmetic_p, convert_step): Removed.
5932 (nowrap_type_p): New function.
5933 (scev_probably_wraps_p): Rewritten.
5934 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5935 chrec_convert if chrec_convert_aggressive might have been used.
5936 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5937 scev_direction): New functions.
5938 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5939 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5940 instead of convert_step.
5941 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5942 (convert_step): Declaration removed.
5943 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5945 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5947 * df-core.c: Added to header comments.
5948 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5949 df_ur_bb_info, df_urec_bb_info): Added comments.
5950 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5951 urec, ri problems): Fixed header comments.
5952 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5953 code from df_rd_transfer_function.
5955 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5957 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5958 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5959 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5961 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5963 * expr.c (undefined_operand_subword_p): New.
5964 (emit_move_multi_word): Do not generate move from undefined bits
5965 of a paradoxical subreg.
5967 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5969 PR rtl-optimization/27736
5970 * combine.c (replaced_rhs_value): New variable.
5971 (combine_instructions): Set it.
5972 (distribute_notes): When distributing a note in replaced_rhs_insn,
5973 check whether the value was used in replaced_rhs_value.
5975 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5978 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5979 add_referenced_var instead of add_referenced_tmp_var.
5980 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5981 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5983 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5984 tree_optimize_tail_calls_1): Use add_referenced_var.
5985 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5986 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5987 Use add_referenced_var.
5988 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5989 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5990 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5991 Use add_referenced_var.
5992 * tree-dfa.c (struct walk_state): Remove.
5993 (find_referenced_vars): Remove walk state and vars_found hash table.
5994 (make_rename_temp): Use add_referenced_var.
5995 (find_vars_r): Pass less parameters to add_referenced_var.
5996 (referenced_var_p): New. Is var in referenced_var hash table.
5997 (referenced_var_insert): Assert var isn't already in hash table.
5998 (add_referenced_var): Don't need walk_state parameter. Add var if it
5999 isn't already in the hash table.
6000 (add_referenced_tmp_var): Remove.
6001 (find_new_referenced_vars_1): Use add_referenced_var.
6002 * tree-ssa-pre.c (create_expression_by_pieces,
6003 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6004 Use add_referenced_var.
6005 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6006 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6007 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6009 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6010 vect_create_data_ref_ptr, vect_create_destination_var,
6011 vect_init_vector, vect_build_loop_niters,
6012 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6013 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6014 Use add_referenced_var.
6015 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6016 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6017 (add_referenced_var): Add prototype.
6018 * tree-ssa-structalias.c (get_constraint_for,
6019 intra_create_variable_infos): Use add_referenced_var.
6021 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6023 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6024 big-endian paradoxical subregs.
6025 * var-tracking.c (struct micro_operation_def): Document that,
6026 for modify micro operations, insn is the subsequent instruction.
6027 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6028 (var_reg_set, var_mem_set): ... new functions.
6029 (add_stores): Record subsequent insn.
6030 (compute_bb_dataflow): Use new functions for MO_USE.
6031 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6032 notes after the insn, and modify notes before the insn known
6033 to be the subsequent one.
6034 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6036 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6039 * config/i386/i386.c (ix86_expand_builtin): Use
6040 gen_sse3_monitor64 for TARGET_64BIT.
6042 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6044 PR rtl-optimization/26375
6045 PR rtl-optimization/26855
6046 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6048 (df_ru_bb_local_compute): Reversed statements and removed bogus
6049 comment explaining why they should be in wrong order.
6050 (df_ru_dump, df_rd_dump): Enhanced debug info.
6051 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6053 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6054 reaching uses and fixed space problem.
6056 2006-05-23 Jan Hubicka <jh@suse.cz>
6058 * cgraphunit.c (decide_is_function_needed): Also nested functions
6059 and functions declared inline can be optimized out at -O0.
6061 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6063 * doc/install.texi (Configuration): Remove reference to CrossGCC
6067 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6070 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6071 ix86_compare_emitted is non-NULL.
6073 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6076 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6079 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6081 PR rtl-optimization/25514
6082 * combine.c (replaced_rhs_insn): New variable.
6083 (combine_instructions): Set replaced_rhs_insn when trying to replace
6084 a SET_SRC with a REG_EQUAL note.
6085 (distribute_notes): Use replaced_rhs_insn when determining the live
6086 range of a REG_DEAD register.
6088 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6089 Anatoly Sokolov <aesok@post.ru>
6091 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6092 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6093 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6094 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6095 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6096 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6097 at90usb647, at90usb1286 and at90usb1287 devices.
6098 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6099 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6101 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6103 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6105 2006-05-22 Richard Guenther <rguenther@suse.de>
6108 2006-01-31 Richard Guenther <rguenther@suse.de>
6109 Paolo Bonzini <bonzini@gnu.org>
6111 * doc/install.texi (--disable-libgcc-math): Document.
6113 2006-05-22 Richard Guenther <rguenther@suse.de>
6116 2006-01-31 Richard Guenther <rguenther@suse.de>
6118 * doc/invoke.texi (-msselibm): Document.
6119 * target.h (expand_library_builtin): New target hook.
6120 * builtins.c (expand_builtin): Use expand_library_builtin.
6121 (default_expand_library_builtin): New function.
6122 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6123 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6124 (link_gcc_math_spec): Declare.
6125 (static_specs): Add link_gcc_math_spec.
6126 * expr.h (default_expand_library_builtin): Declare.
6127 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6128 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6129 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6130 * config/i386/i386.opt (msselibm): New target option.
6131 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6132 (ix86_init_sse_abi_builtins): New function.
6133 (ix86_expand_library_builtin): Likewise.
6134 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6135 (override_options): Handle error conditions wrt -msselibm.
6136 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6137 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6138 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6141 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6144 * c-common.c (self_promoting_args_p): Skip erroneous args.
6147 * c-decl.c (finish_struct): Skip erroneous fields.
6149 2006-05-22 Nick Clifton <nickc@redhat.com>
6151 * config/cris/cris.opt (march): Remove VarExists attribute.
6152 (max-stackframe=): Likewise.
6154 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6156 * doc/rtl.texi: Fix a typo.
6157 * see.c: Fix comment typos.
6159 * tree-ssa-structalias.h (alias_info): Remove num_references.
6161 2006-05-21 Mike Stump <mrs@apple.com>
6163 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6165 (darwin_pragma_options): Use BAD instead.
6166 (darwin_pragma_unused): Likewise.
6167 (darwin_pragma_ms_struct): Likewise.
6169 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6171 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6173 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6175 PR rtl-optimization/27671
6176 * simplify-rtx.c (simplify_relational_operation_1): Fix
6177 simplifications of (eq/ne (xor x y) y) and
6178 (eq/ne (xor x y) x).
6180 PR tree-optimization/26622.
6181 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6184 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6186 * tree-cfg.c: Prune whitespace.
6187 (debug_tree_cfg): Point to correct header containing the
6190 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6193 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6195 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6198 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6199 or sorry count is non zero.
6201 2006-05-20 Andreas Schwab <schwab@suse.de>
6203 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6205 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6206 Kenneth Zadeck <zadeck@naturalbridge.com>
6208 PR rtl-optimization/26855
6210 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6212 (df_scan_alloc): Added code to properly handle multiword hard
6213 registers and add all_blocks parameter.
6214 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6215 code to properly handle multiword hard registers.
6216 (df_rescan_blocks): Added code to remove deleted blocks from
6218 (df_ref_create_structure, df_ref_record): Added code to properly
6220 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6221 and set DF_REF_PARTIAL.
6222 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6223 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6224 (df_scan_add_problem): Added flags parameter.
6225 (df_ref_create_structure): Changed switching structure.
6226 (df_bb_refs_record): Fixed case where duplicate artificial refs
6227 were created. Changed location of flags.
6228 (df_record_entry_block_defs): Added code to make stack pointer
6229 live in entry block. Refined cases where frame pointer is needed.
6230 Changed location of flags.
6231 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6232 (df_set_state): Removed function.
6233 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6234 df_insn_create_insn_record, df_insn_refs_delete,
6235 df_ref_create_structure): Formatting changes.
6236 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6237 df_delete_basic_block): New function.
6238 (df_init): Changed location of flags.
6239 (df_add_problem): Added flags parameter and the way flags are
6241 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6242 debug_df_chain): Improved debugging output.
6243 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6244 (df_refs_chain_dump): Removed df parameter.
6245 (df_iterative_dataflow): Added consistency check.
6246 (df_prune_to_subcfg): Made public.
6247 (df_analyze_problem): Added blocks_to_init parameter and made
6249 (df_ref_record, df_bb_refs_record, df_mark_reg,
6250 df_record_exit_block_uses): Whitespace changes.
6251 (df_dump): Whitespace changes.
6252 * df.h: Some reordering to remove forward references.
6253 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6254 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6255 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6256 (dataflow.flags): New field.
6257 (df.flag): Deleted field.
6258 (df_alloc_function): Added additional bitmap parameter.
6259 (df_dependent_problem_function): New type.
6260 (df_problem.changeable_flags): New field.
6261 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6262 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6263 (df_mw_hardreg): New struct.
6264 (DF_INSN_UID_MWS): New macro.
6265 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6267 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6268 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6269 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6270 (df_set_state): Removed function.
6271 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6272 * df-problems.c (df_chain_dump): Removed df parameter.
6273 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6274 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6276 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6277 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6278 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6279 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6280 DF_REF_MUST_CLOBBER cases.
6281 (df_ru_bb_local_compute_process_def,
6282 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6283 df_lr_bb_local_compute, df_ur_bb_local_compute,
6284 df_chain_create_bb): Made subreg aware.
6285 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6286 df_lr_bb_local_compute, df_lr_bb_local_compute,
6287 df_chain_create_bb): Cleanup to use proper macros.
6288 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6289 code to fixup bitvectors.
6290 (df_ri_alloc): Cleared lifetime.
6291 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6292 df_create_unused_note): New function.
6293 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6294 REG_DEAD and REG_UNUSED notes as well as register information.
6295 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6296 df_chains_dump): Fixed crash if problem was never run.
6297 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6298 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6299 df_ri_add_problem): Processes flags in uniform manner.
6300 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6301 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6302 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6303 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6304 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6305 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6306 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6307 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6308 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6309 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6310 * see.c (see_initialize_data): Ditto.
6311 * final.c (rest_of_clean_state) Added regstack_completed.
6312 * rtl.h (regstack_completed): Ditto.
6313 * reg-stack.c (regstack_completed): Ditto.
6315 2006-05-19 Mike Stump <mrs@apple.com>
6317 * c-tree.h (default_conversion): Remove.
6318 * c-common.h (default_conversion): Add.
6320 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6322 * tree-vrp.c (valid_value_p): New function.
6323 (adjust_range_with_scev): Fail if the value of bound is not
6326 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6328 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6329 (mips_fallback_frame_state): Use syscall numbers to determine
6330 the appropriate li instruction for the current ABI. Only use
6331 __NR_sigreturn for o32.
6333 2006-05-19 Nicolas Setton <setton@adacore.com>
6335 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6336 * langhooks.c (lhd_dwarf_name): New function.
6337 * langhooks-def.h (lhd_dwarf_name): Declare.
6338 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6339 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6340 * ada/misc.c (gnat_dwarf_name): New function.
6341 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6343 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6345 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6347 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6348 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6349 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6350 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6351 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6352 determine the size of Wtype, etc.
6353 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6354 (swfloatfuncs): New variable.
6355 (dwfloatfuncs): Likewise.
6356 (lib2funcs): Remove floating-point conversion functions from
6357 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6358 the set of conversion routines needed. Allow entries to specify
6359 an object name, filename and word size. Update users accordingly.
6360 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6361 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6365 2006-02-08 Roger Sayle <roger@eyesopen.com>
6368 * config/fixtfdi.c: New libgcc source file.
6369 * config/fixunstfdi.c: New source file.
6370 * config/floatditf.c: New source file.
6371 * config/floatunditf.c: New souce file.
6372 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6373 files above instead of config/mips/_tilib.c.
6374 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6376 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6378 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6379 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6381 2006-05-18 Mike Stump <mrs@apple.com>
6383 Fix up vla, vm and [*] sematics.
6389 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6390 (c_vla_unspec_p): Add.
6391 (c_vla_type_p): Add.
6392 * c-decl.c (struct c_scope): Add had_vla_unspec.
6393 (build_array_declarator): Add support for [*].
6394 (grokdeclarator): Likewise.
6395 (grokparms): Likewise.
6396 (get_parm_info): Likewise.
6397 * c-objc-common.c (c_vla_unspec_p): Likewise.
6398 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6399 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6400 typeof when argument is a variably modified type not inside sizeof or alignof.
6401 (c_parser_direct_declarator_inner): Propagate errors.
6402 (c_parser_sizeof_expression): Add support for [*].
6403 (c_parser_parms_declarator): Initialize had_vla_unspec.
6404 (c_parser_parms_list_declarator): Likewise.
6405 * c-typeck.c (c_vla_type_p): Add.
6406 (composite_type): Add support for vla compositing.
6407 (comptypes_internal): Add support for vla compatibility.
6408 (c_expr_sizeof_expr): Evaluate vla arguments.
6409 * tree.c (variably_modified_type_p): Update comment for [*].
6411 2006-05-18 Michael Matz <matz@suse.de>
6414 * config.host: Make assignments to host_xmake_file cumulative.
6415 * config.host (*-darwin*): Test $host, not $target.
6417 2006-05-12 Stuart Hastings <stuart@apple.com>
6419 * config/i386/i386.opt (-mstackrealign): New flag.
6420 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6421 (ix86_handle_cconv_attribute): Emit error when
6422 force_align_arg_pointer attribute collides with too many regparms.
6423 (ix86_function_regparm): Limit regparms when used with
6424 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6425 Support stack-realigning prologue in non-main functions. Emit
6426 warning for nested functions under -mstackrealign, emit error for
6427 nested functions with force_align_arg_pointer attribute.
6428 * doc/extend.texi (force_align_arg_pointer): Document it.
6429 * doc/invoke.texi (-mstackrealign): Document it.
6431 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6433 PR rtl-optimization/27477
6434 * combine.c (try_combine): Don't split a parallel consisting
6435 of two sets into two individual sets if both sets reference
6438 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6440 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6441 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6443 * doc/options.texi (VarExists): Updated.
6445 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6447 * unwind-dw2.c: Add declarations for uw_update_context and
6449 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6450 detected, advance frame state and context once to skip over stub.
6452 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6456 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6457 Call rewrite_into_loop_closed_ssa only when something changed.
6458 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6459 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6460 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6461 Test for perfect_nest_p here. Fix formating.
6462 (replace_uses_equiv_to_x_with_y): Fix formating.
6463 (stmt_uses_op): Removed.
6464 (can_convert_to_perfect_nest): Removed loopivs parameter.
6465 Complete the test by checking the scalar dependences.
6466 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6469 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6472 From Dan Kegel <dank@kegel.com>:
6473 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6475 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6477 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6478 if the element type is variably modified without recursing.
6480 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6483 * tree-loop-linear.c (try_interchange_loops): Test for
6484 no data dependences.
6486 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6488 PR tree-optimization/27548
6489 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6490 range of ssa names that appear on abnormal edges.
6491 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6492 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6494 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6497 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6499 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6502 * tree.h (OMP_PARALLEL_COMBINED): Define.
6503 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6504 (new_omp_context): Add is_combined_parallel argument.
6505 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6506 new_omp_context caller.
6507 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6508 Adjust gimplify_scan_omp_clauses callers.
6509 (omp_is_private): Issue errors if iteration variable is firstprivate
6510 or reduction in the current context.
6511 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6512 on combined parallel workshare constructs.
6514 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6516 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6517 (gcc-options.o): New rule.
6519 * optc-gen.awk: Protect variables for gcc-options.o with
6520 #ifdef GCC_DRIVER/#endif.
6522 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6524 Fix PR tree-optimization/27373
6525 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6526 (forward_propagate_addr_expr): Update call.
6528 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6530 * doc/options.texi: Move the Negative option.
6532 2006-05-16 Richard Guenther <rguenther@suse.de>
6534 PR tree-optimization/22303
6535 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6537 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6538 ccp_fold did not simplify the statement.
6540 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6543 * Makefile.in (GCC_OBJS): New.
6544 (OBJS-common): Add opts-common.o.
6545 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6546 (cpp$(exeext)): Likewise.
6547 (gcc.o): Also depend on opts.h.
6548 (opts-common.o): New.
6550 * common.opt (gcoff): Add Negative(gdwarf-2).
6551 (gdwarf-2): Add Negative(gstabs).
6552 (gstabs): Add Negative(gstabs+).
6553 (gstabs+): Add Negative(gvms).
6554 (gvms): Add Negative(gxcoff).
6555 (gxcoff): Add Negative(gxcoff+).
6556 (gxcoff+): Add Negative(gcoff).
6557 * config/i386/i386.opt (m32): Add Negative(m64).
6558 (m64): Add Negative(m32).
6560 * doc/options.texi: Document the Negative option.
6562 * gcc.c: Include "opts.h".
6563 (main): Call prune_options after expandargv.
6565 * optc-gen.awk: Generate common declarations for all flag
6566 variables in options.c. Output the neg_index field.
6568 * opts.c (find_opt): Moved to ...
6569 * opts-common.c: Here. New file.
6571 * opts.h (cl_option): Add a neg_index field.
6573 (prune_options): Likewise.
6575 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6578 * omp-low.c (expand_omp_parallel): Don't assert
6579 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6580 instead search for it.
6583 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6586 2006-05-16 Andreas Schwab <schwab@suse.de>
6588 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6591 2006-05-15 Roger Sayle <roger@eyesopen.com>
6594 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6595 integer constants other than zero are only legitimate on TARGET_64BIT.
6596 <CONST_VECTOR> Only zero vectors are legitimate.
6597 (ix86_cannot_force_const_mem): Integral and vector constants can
6598 always be put in the constant pool.
6600 2006-05-16 DJ Delorie <dj@redhat.com>
6602 * crtstuff.c (__dso_handle): Set section from
6603 TARGET_LBIGCC_SDATA_SECTION if defined.
6604 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6605 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6607 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6610 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6613 2006-05-16 Ben Elliston <bje@au.ibm.com>
6615 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6617 2006-05-15 Per Bothner <per@bothner.com>
6619 * tree.c: (last_annotated_node): Use source_locus typedef.
6620 This permits bootstrapping with --enable-mapped-location.
6622 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6624 PR tree-optimization/26830
6625 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6626 (info_for_ssa_name, current_info_for_ssa_name_age,
6627 blocks_to_update): New variables.
6628 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6629 (clear_ssa_name_info, initialize_flags_in_bb,
6630 mark_block_for_update): New functions.
6631 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6632 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6633 prepare_def_site_for): Use mark_block_for_update.
6634 (mark_def_interesting): Assert that the processed block is marked in
6635 blocks_to_update. Do not take blocks argument.
6636 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6638 (rewrite_update_init_block, rewrite_update_stmt): Only process
6639 blocks with statements to rewrite.
6640 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6641 (update_ssa): Initialize and free blocks_to_update. Do not
6642 clear flags on statements. Do not use blocks bitmap.
6643 * tree.h (SSA_NAME_AUX): Removed.
6644 (struct tree_ssa_name): Removed aux field.
6645 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6647 2006-05-15 Richard Guenther <rguenther@suse.de>
6649 PR tree-optimization/27603
6650 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6651 Do computations in original type.
6653 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6655 * see.c: Code style changes such as redundant paranthesis,
6656 redundant intialization of local variables etc.
6657 (see_main): Declared now as static.
6658 * doc/invoke.texi: Update that -fsee is not enabled by
6661 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6663 * omp-low.c (check_omp_nesting_restrictions): New function.
6664 (scan_omp_1): Call it.
6667 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6668 construct, return *VAR.
6670 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6672 PR rtl-optimization/27406
6673 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6676 2006-05-14 Roger Sayle <roger@eyesopen.com>
6678 PR rtl-optimization/27538
6679 * combine.c (expand_compound_operation): Call gen_lowpart
6680 before calling simplify_shift_const.
6682 2006-05-14 Roger Sayle <roger@eyesopen.com>
6684 PR rtl-optimization/22563
6685 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6686 a fixed width bitfield, always force the intermediates into psuedos.
6688 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6691 * mkconfig.sh: Use operator = instead of == for test.
6693 2006-05-13 Nick Clifton <nickc@redhat.com>
6695 * dwarf2out.c (dbx_reg_number): Check return value from
6696 LEAF_REG_REMAP and only use it if it is valid.
6697 (multiple_reg_loc_descriptor): Likewise.
6699 2006-05-13 Richard Guenther <rguenther@suse.de>
6701 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6704 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6706 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6707 information attached to non-INSNs such as NOTEs.
6708 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6710 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6712 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6714 * config/s390/s390.md: Adjust comment describing On constraint.
6716 2006-05-11 Jan Hubicka <jh@suse.cz>
6718 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6719 to be output at -O0.
6721 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6724 * fold-const.c (size_binop): Move sanity check for arguments to
6725 the beginning of the function.
6728 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6731 2006-05-11 Richard Guenther <rguenther@suse.de>
6734 * fold-const.c (fold_unary): Handle intermediate conversion
6735 to a pointer type like intermediate conversion to an integer
6736 type in folding of (T1)(T2)var to var.
6737 Match the code to the comment in the final conversion for
6738 (T1)(T2)var to (T1)var regarding to type precision. Rather
6739 than disallow T1 being of pointer type, assert that both T1
6740 and var are of pointer type or not. Make sure not to fall
6741 over the frontends lazyness wrt array to pointer decay though.
6743 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6745 * arm.c (arm_struct_value_rtx): Delete.
6746 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6747 (arm_init_cumulative_args): Always initialize nregs to zero.
6749 2006-05-10 Richard Guenther <rguenther@suse.de>
6751 PR tree-optimization/27532
6752 * tree-object-size.c (plus_expr_object_size): Fix typo.
6754 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6757 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6758 ashrdi_const, ashrdi3): Use a scratch register.
6760 2006-05-10 Richard Guenther <rguenther@suse.de>
6762 PR tree-optimization/27302
6763 * fold-const.c (operand_equal_p): For two comparisons,
6764 try comparison of one comparison code swapped if that yields
6767 2006-05-10 Ben Elliston <bje@au.ibm.com>
6769 * tree-pretty-print.c (pretty_print_string): No need to handle
6770 '\0' as a special character.
6772 * tree.h: Include "hashtab.h".
6773 (iterative_hash_expr): Use hashval_t in its prototype.
6774 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6776 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6779 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6780 (hppa*64*-*-hpux11*): Ditto.
6781 (hppa[12]*-*-hpux11*): Ditto.
6783 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6786 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6788 2006-05-09 Michael Matz <matz@suse.de>
6790 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6791 host_extra_gcc_objs and host_xmake_file.
6792 (<*-*-linux*>): Don't overwrite host_xmake_file.
6793 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6794 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6795 (host_detect_local_cpu): Declare.
6796 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6797 * config/i386/i386.c (override_options): Handle -mtune=native
6799 * config/i386/x-i386: New file.
6800 * config/i386/driver-i386.c: New file.
6801 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6804 2006-05-09 Dirk Mueller <dmueller@suse.de>
6805 Richard Guenther <rguenther@suse.de>
6808 * fold-const.c (fold_read_from_constant_string): Relax check
6809 for matching types to matching modes.
6811 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6813 PR rtl-optimization/27335
6814 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6817 2006-05-08 Chao-ying Fu <fu@mips.com>
6818 Richard Sandiford <richard@codesourcery.com>
6820 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6821 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6822 * config/mips/mips.md (UNSPEC_SCC): New constant.
6823 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6824 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6825 (mips_emit_compare): Use it.
6826 (mips_expand_vcondv2sf): New function.
6828 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6830 Fix PR tree-optimization/27093
6831 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6832 renaming when they become not-used_alone.
6834 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6836 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6837 relocation and relocation stubs.
6839 2006-05-08 Eric Christopher <echristo@apple.com>
6841 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6844 2006-05-08 Jan Hubicka <jh@suse.cz>
6847 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6848 unused static functions are needed.
6850 2006-05-08 Roger Sayle <roger@eyesopen.com>
6853 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6854 of a reg_equiv_constant if the result is a legitimate constant.
6856 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6859 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6860 standard 80387 constants, raise the cost to prevent
6861 compress_float_constant() to generate load from memory.
6863 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6865 * config/arm/constraints.md (c): Fix a typo.
6867 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6870 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6873 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6875 (_mm_mwait): Likewise.
6877 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6879 (sse3_monitor): Make it 32bit only.
6880 (sse3_monitor64): New. 64bit monitor.
6882 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6885 * config/i386/i386.c (classify_argument): Skip fields with invalid
6888 2006-05-07 Richard Guenther <rguenther@suse.de>
6890 PR tree-optimization/27409
6891 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6892 Do not try to find zero-sized subvars.
6894 2006-05-07 Richard Guenther <rguenther@suse.de>
6896 PR tree-optimization/27136
6897 * tree-ssa-loop-niter.c (get_val_for): Correct function
6898 comment, assert requirements.
6899 (loop_niter_by_eval): Stop processing if the iterated
6900 value did not simplify.
6902 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6904 * opts.c (flag_see): remove its setting at -O3.
6906 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6908 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6909 * arm/constraints.md: New file.
6910 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6911 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6912 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6913 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6914 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6915 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6916 * arm.md: Include constraints.md.
6917 (thumb_movsi_insn): Use satisfies_constraint_J.
6918 (movhi, movqi): Use satisfies_constraint_I.
6920 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6922 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6923 for atmeg a645 device.
6925 2006-05-06 Richard Guenther <rguenther@suse.de>
6927 PR tree-optimization/27151
6928 * tree-vect-transform.c (vectorizable_condition): Punt on
6929 values that have a different type than the condition.
6931 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6934 * c-parser.c (c_parser_cast_expression): Only insert casts into
6935 hash table if pointer.
6936 * function.c (used_types_insert_helper): Rename from
6938 (used_types_insert): Call used_types_insert_helper.
6939 * function.h (used_types_insert): Accept only one argument.
6941 2006-05-05 David Edelsohn <edesohn@gnu.org>
6943 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6944 scratch with output modifier.
6946 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6949 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6950 with output modifier.
6952 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6955 * config/mips/mips.c (mips_symbolic_address_p): Return true
6956 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6957 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6959 2006-05-04 Richard Guenther <rguenther@suse.de>
6961 PR tree-optimization/14287
6962 PR tree-optimization/14844
6963 PR tree-optimization/19792
6964 PR tree-optimization/21608
6965 PR tree-optimization/27090
6966 * tree-ssa-pre.c (try_combine_conversion): New function.
6967 (compute_avail): After constructing the value-handle
6968 expression, use try_combine_conversion to combine NOP_EXPRs
6969 with previous value-handle expressions and use the result if it
6972 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6974 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6976 2006-05-04 Jan Hubicka <jh@suse.cz>
6979 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6981 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6983 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6984 that this only matches CONST_INTs. All users changed to VOIDmode
6987 * config/bfin/bfin.c: Include "optabs.h".
6988 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6990 (enum bfin_builtins): Add a number of fractional and vector builtins.
6991 (bfin_init_builtins): Likewise.
6992 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6993 (safe_vector_operand, bfin_expand_binop_builtin,
6994 bfin_expand_unop_builtin): New functions.
6995 (bfin_expand_builtin): Handle the new builtins.
6996 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6999 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7002 * Makefile.in (OBJS-common): Add see.o.
7003 (see.o): Add dependencies.
7004 * common.opt (fsee): New flag for the see optimization was added.
7005 * opts.c (flag_see): Initialized.
7006 * passes.c (init_optimization_passes, pass_see): New pass.
7007 * rtl.h (see_main): Declaration as extern.
7008 * timevar.def (TV_SEE): New.
7009 * tree-pass.h (pass_see): Declaration as extern.
7010 * invoke.texi (-fsee): Document.
7011 * recog.c (validate_simplify_insn): New function.
7012 * recog.h (validate_simplify_insn): Declaration as extern.
7013 * df-problems.c (df_chain_dump): Check for NULL.
7015 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7016 Daniel Berlin <dberlin@dberlin.org>
7018 * cfgrtl.c (insert_insn_bb_end_new): New function.
7019 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7021 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7023 * df.h (struct web_entry): Moved from web.c.
7024 (union_defs): Declaration as extern.
7025 (unionfind_root): Likewise.
7026 (unionfind_union): Likewise.
7027 * web.c (struct web_entry): Moved to df.h.
7028 (unionfind_root): Remove static declaration.
7029 (unionfind_union): Likewise.
7030 (union_defs): Likewise and generalize to use callback function.
7031 (web_main): Update arguments for union_defs function call.
7033 2006-05-04 Richard Guenther <rguenther@suse.de>
7035 PR tree-optimization/26447
7036 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7037 produce SSA_NAME copies before the store stmt to avoid
7038 breaking exception handling.
7040 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7043 * gimplify.c (omp_is_private): If var is shared in some outer context,
7044 return false instead of true. Stop searching on parallel context
7047 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7050 * coverage.c: Use get_gcov_unsigned_t() instead of
7051 unsigned_type_node all over.
7053 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7055 PR tree-optimization/27381
7056 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7057 maintain the same immediate_use links.
7058 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7059 node rather than segfaulting.
7061 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7064 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7065 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7066 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7068 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7070 Fix PR tree-optimization/26626
7071 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7073 * tree-ssa-operands.c (access_can_touch_variable): Allow
7074 typecasting through union pointers.
7076 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7079 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7080 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7081 to find if var will be a global variable even in the nested context.
7082 (omp_copy_decl): Only check for global variable at the end, it might
7083 be overridden in outer contexts.
7084 (scan_sharing_clauses): For global variables don't create a field.
7085 (lower_rec_input_clauses): Do nothing for global shared variables.
7086 Emit a barrier at the end of ILIST if there were any decls in both
7087 firstprivate and lastprivate clauses.
7088 (lower_send_clauses): Do nothing for global variables except for
7091 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7093 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7094 of the correct signedness is returned.
7096 2006-05-02 Jeff Law <law@redhat.com>
7098 PR tree-optimization/27364
7099 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7100 multiply expressions.
7102 2006-05-02 Tom Tromey <tromey@redhat.com>
7104 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7106 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7109 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7110 -mthumb -fPIC are used.
7112 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7113 Joshua Kinard <kumba@gentoo.org>
7116 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7117 with 64-bit pointers.
7119 2006-05-02 Paul Brook <paul@codesourcery.com>
7121 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7123 (create_fix_barrier): Check that a suitable barrier location is
7125 (arm_reorg): Include ftmp->address in allowable range of addresses.
7127 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7130 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7133 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7136 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7137 around RESULT_DECL for result passed by reference.
7138 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7139 * omp-low.c (use_pointer_for_field): Don't look at
7140 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7141 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7142 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7143 time or var for passing by reference for
7144 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7145 TREE_ADDRESSABLE variables when passing by reference.
7147 * omp-low.c (dump_omp_region): Fix output formatting.
7150 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7151 (expand_omp_parallel): Likewise.
7152 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7155 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7156 on statement list containing also constructors and destructors.
7157 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7160 * except.c (duplicate_eh_regions): Fix clearing of
7161 cfun->eh->region_array entries.
7163 2006-05-01 DJ Delorie <dj@redhat.com>
7165 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7167 (gcc_cv_objdump): Likewise.
7168 * configure: Regenerated.
7170 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7173 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7174 templates for case 3 and 4.
7176 2006-05-01 DJ Delorie <dj@redhat.com>
7178 * vec.c: Include bconfig.h when appropriate.
7179 * Makefile.in (build/vec.o): Adjust dependencies.
7180 * mkconfig.sh: Make sure config.h isn't used for build machine
7183 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7185 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7187 (mark_phi_for_rewrite): New function.
7188 (insert_phi_nodes_for, mark_use_interesting): Call
7189 mark_phi_for_rewrite.
7190 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7191 (update_ssa): Initialize and free phis_to_rewrite.
7193 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7195 PR rtl-optimization/27291
7196 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7197 folded to a constant.
7199 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7201 PR tree-optimization/27283
7202 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7203 not whole # of iteration descriptions.
7204 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7205 uses abnormal ssa name.
7206 (niter_for_single_dom_exit): Ditto.
7207 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7208 return just the number of iterations.
7210 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7212 PR tree-optimization/27144
7213 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7214 (record_estimate): Only record constant upper bound.
7215 (infer_loop_bounds_from_undefined): Call
7216 compute_estimated_nb_iterations just once.
7217 (proved_non_wrapping_p): Renamed to ...
7218 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7219 (convert_step_widening, scev_probably_wraps_p): Call
7220 n_of_executions_at_most instead of proved_non_wrapping_p.
7221 (substitute_in_loop_info): Do not replace values in bounds.
7222 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7225 2006-05-01 Richard Henderson <rth@redhat.com>
7228 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7229 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7232 2006-05-01 Roger Sayle <roger@eyesopen.com>
7234 * c-typeck.c (parser_build_binary_op): Don't call the function
7235 unsigned_conversion_warning to spot operand/result type overflow.
7236 (build_binary_op): Instead, call convert_and_check instead of
7237 convert to report the problem when the operands are promoted.
7238 * c-common.c (unsigned_conversion_warning): Make static.
7239 * c-common.h (unsigned_conversion_warning): Delete prototype.
7241 2006-05-01 Richard Guenther <rguenther@suse.de>
7243 PR tree-optimization/26726
7244 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7246 (find_interesting_uses_address): ... we work around here
7247 by folding INDIRECT_REFs in the substituted base.
7249 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7251 * omp-low.c (dump_omp_region): Add newlines.
7253 2006-04-30 Roger Sayle <roger@eyesopen.com>
7255 * common.opt (Woverflow): New command line option.
7256 * c-common.c (constant_expression_warning): Check warn_overflow.
7257 (overflow_waring): Pass OPT_Woverflow to warning.
7258 (unsigned_conversion_warning): Likewise.
7259 (convert_and_check): Likewise.
7260 * doc/invoke.texi: Document new command line option.
7262 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7264 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7265 TARGET_NO_FP_IN_TOC for section anchors.
7266 (optimization_options): Enable section anchors for all
7267 non-"Objective" languages.
7269 2006-04-28 Eric Christopher <echristo@apple.com>
7271 * config/darwin-c.c (darwin_ms_struct): Move this
7272 (darwin_set_default_type_attributes): and this...
7273 * config/darwin.c: ... here.
7274 * config/darwin.h (darwin_ms_struct): Declare.
7276 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7278 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7280 2006-04-28 Roger Sayle <roger@eyesopen.com>
7283 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7284 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7285 an unsigned HOST_WIDE_INT.
7286 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7288 (really_start_incremental_init): No need to call convert because
7289 bitsize_zero_node is already of type bitsizetype.
7290 (push_init_level): Extract the value of constructor_index as an
7291 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7292 (process_init_element): Likewise.
7294 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7296 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7297 value before passing to make_relative_prefix.
7299 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7302 * builtins.c (expand_builtin_memset): Expand val in original mode.
7304 2006-04-27 Eric Christopher <echristo@apple.com>
7306 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7307 with #ifndef/#endif.
7308 * config/darwin-c.c (darwin_ms_struct): New.
7309 (darwin_pragma_ms_struct): Ditto.
7310 (darwin_set_default_type_attributes): Ditto.
7311 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7312 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7313 Register ms_struct pragma.
7314 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7315 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7316 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7317 darwin_set_default_type_attributes if TARGET_MACHO.
7319 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7321 PR tree-optimization/26854
7322 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7323 * doc/tree-ssa.texi: Update immuse iterator documentation.
7324 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7325 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7326 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7327 first_safe_imm_use, next_safe_imm_use): Remove.
7328 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7329 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7330 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7331 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7332 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7333 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7334 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7335 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7336 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7337 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7338 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7339 (perfect_nestify): Use new iterator.
7340 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7342 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7343 (next_imm_name): New field in struct immediate_use_iterator_d.
7344 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7345 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7346 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7347 * tree-cfg.c (replace_uses_by): Use new iterator.
7348 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7349 * tree-ssa-operands.c (correct_use_link): Remove.
7350 (finalize_ssa_use_ops): No longer call correct_use_link.
7352 2006-04-27 Stuart Hastings <stuart@apple.com>
7354 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7355 * config/t-darwin (crt3.o): Use it.
7356 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7357 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7358 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7359 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7360 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7363 2006-04-27 Roger Sayle <roger@eyesopen.com>
7365 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7366 size, force the intermediate into a new pseudo rather instead of
7367 performing both a bitwise AND and a bitwise IOR in memory.
7369 2006-04-27 Richard Guenther <rguenther@suse.de>
7371 PR rtl-optimization/26685
7372 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7373 this one "max-flow-memory-locations".
7375 2006-04-27 Richard Guenther <rguenther@suse.de>
7377 PR tree-optimization/25148
7378 * tree-vrp.c (compare_values): Remove code dealing with
7379 comparisons against type min/max value. Honour overflow
7380 and negative constants in code dealing with comparisons
7381 of plus and minus expressions.
7382 (value_inside_range): Use fold_binary with LE_EXPR and
7383 GE_EXPR rather than compare_values.
7385 2006-04-27 Dirk Mueller <dmueller@suse.de>
7387 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7390 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7392 * basic-block.h (safe_insert_insn_on_edge): Removed.
7393 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7395 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7396 Paolo Bonzini <bonzini@gnu.org>
7399 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7400 (simplify_and_const_int): Same.
7402 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7404 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7406 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7409 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7410 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7411 cgraph_global_info_ready.
7414 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7417 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7418 either decl or init is error_mark_node.
7421 * tree-flow.h (struct omp_region): Add sched_kind.
7422 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7423 instead of extracting omp for data.
7424 (expand_omp_for): Save extracted sched_kind.
7426 2006-04-25 Roger Sayle <roger@eyesopen.com>
7428 * expmed.c (store_bit_field): Also check whether the bitsize is
7429 valid for the machine's "insv" instruction before moving the
7430 target into a pseudo for use with the insv.
7431 * config/i386/predicates.md (const8_operand): New predicate.
7432 * config/i386/i386.md (extv, extzv, insv): Use the new
7433 const8_operand predicate where appropriate.
7435 2006-04-25 DJ Delorie <dj@redhat.com>
7437 * doc/install.texi (Specific): Clarify that this is not a list of
7438 supported hosts or targets.
7440 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7442 PR rtl-optimization/26725
7443 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7444 block's BB_DIRTY flag.
7446 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7448 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7451 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7452 to print an integer.
7454 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7456 * varasm.c (align_variable): New function.
7457 (get_block_for_decl): Apply align_variable to DECL before
7458 calculating section information.
7459 (assemble_variable): Split out alignment computation.
7461 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7463 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7466 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7468 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7469 MODE_PARTIAL_INT mode.
7470 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7471 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7473 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7474 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7476 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7478 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7480 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7481 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7482 MACFLAG_IH): Likewise.
7483 (movstricthi_1): Renamed from "*movstricthi".
7484 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7485 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7486 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7487 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7488 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7489 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7490 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7491 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7492 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7493 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7494 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7495 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7496 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7497 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7498 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7500 * doc/rtl.texi (ss_ashift): Improve wording.
7502 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7504 * dwarf2out.c (verify_marks_clear): New.
7505 (prune_unused_types): Call verify_marks_clear initially, not
7508 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7510 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7511 * doc/rtl.texi: Document them.
7512 * simplify-rtx.c (simplify_unary_operation,
7513 simplify_binary_operation_1): Don't abort when we see them.
7515 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7518 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7519 * configure.ac: Completely disregard languages that are not
7521 * configure: Regenerated.
7523 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7524 Richard Guenther <rguenther@suse.de>
7526 PR tree-optimization/27236
7527 * tree-inline.c (copy_body_r): Make sure to copy
7528 TREE_THIS_VOLATILE flag.
7530 2006-04-24 Richard Guenther <rguenther@suse.de>
7533 * tree-complex.c (update_parameter_components): Don't handle
7534 unused parameters which have no default def.
7536 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7537 Richard Guenther <rguenther@suse.de>
7539 PR tree-optimization/27218
7540 * tree-inline.c (expand_call_inline): Strip useless type
7541 conversions for the return slot address.
7543 2006-04-24 Richard Guenther <rguenther@suse.de>
7545 * cfgloop.h (struct loops): Remove unused field array. Reorder
7547 (LOOP_PREFETCH): Remove.
7549 2006-04-24 Richard Guenther <rguenther@suse.de>
7551 PR tree-optimization/22525
7552 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7553 variable, adjust types of generated expressions.
7555 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7557 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7558 (tree-vect-patterns.o): Likewise.
7560 (cselib.o): Likewise.
7561 (loop-doloop.o): Likewise.
7562 (regclass.o): Likewise.
7563 (reload1.o): Likewise.
7564 (explow.o): Replace target.h with $(TARGET_H).
7565 (ipa-prop.o): Likewise.
7566 (ipa-cp.o): Likewise.
7567 (ipa-inline.o): Likewise.
7568 (reorg.o): Likewise.
7569 (reg-stack.o): Likewise.
7571 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7573 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7575 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7577 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7579 * configure.ac: Completely disregard languages that are not
7581 * configure: Regenerated.
7584 * c-common.h (c_build_bitfield_integer_type): Declare.
7585 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7586 * c-common.c (c_build_bitfield_integer_type): ... here.
7588 2006-04-23 Roger Sayle <roger@eyesopen.com>
7591 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7592 a SImode SUBREG of a floating point register after no_new_pseudos.
7594 2006-04-23 Roger Sayle <roger@eyesopen.com>
7596 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7597 identify potentially eliminable registers to additionally catch
7598 VIRTUAL_INCOMING_ARGS_REGNUM.
7599 (addsi3): Update the conditions on when to use addsi_small_int.
7601 2006-04-23 Roger Sayle <roger@eyesopen.com>
7604 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7605 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7606 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7608 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7610 * fold-const.c (range_predecessor): Use operand_equal_p
7611 as the predicate for equality.
7612 (range_successor): Likewise.
7614 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7617 * config/soft-fp/op-common.h: Fix a typo.
7619 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7622 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7623 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7625 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7627 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7629 * doc/tm.texi: Fix a typo.
7631 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7633 * dwarf2out.c (struct die_struct): Document that die_sib makes
7634 a circular linked list.
7635 (FOR_EACH_CHILD): New.
7636 (reverse_die_lists): Delete.
7637 (reverse_all_dies): Delete.
7638 (add_dwarf_attr): Correct documentation.
7639 (remove_child_with_prev): New.
7640 (remove_child_TAG): Update for change to die_struct, use
7641 remove_child_with_prev.
7642 (add_child_die): Update for change to die_struct.
7643 (splice_child_die): Use remove_child_with_prev and add_child_die.
7644 (print_die): Use FOR_EACH_CHILD.
7645 (die_checksum): Likewise.
7646 (assign_symbol_names): Likewise.
7647 (output_location_lists): Likewise.
7648 (build_abbrev_table): Likewise.
7649 (calc_die_sizes): Likewise.
7650 (mark_dies): Likewise.
7651 (unmark_dies): Likewise.
7652 (unmark_all_dies): Likewise.
7653 (output_die): Likewise.
7654 (prune_unused_types_mark): Likewise.
7655 (prune_unused_types_walk): Likewise.
7656 (same_die_p): Update for change to die_struct.
7657 (break_out_includes): Likewise.
7658 (prune_unused_types_prune): Likewise.
7659 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7660 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7662 (dwarf2out_finish): Don't call reverse_all_dies.
7664 2006-04-21 Eric Christopher <echristo@apple.com>
7666 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7667 in comments and function names.
7669 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7672 * c-typeck.c (digest_init): Robustify.
7674 * c-typeck.c (pop_init_level): Simplify.
7676 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7678 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7680 2006-04-21 Paul Brook <paul@codesourcery.com>
7682 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7683 hardware floating point.
7685 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7687 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7690 2006-04-21 Nick Clifton <nickc@redhat.com>
7692 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7695 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7698 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7699 C++ lang type in traceback table for Objective-C++.
7701 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7703 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7705 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7707 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7710 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7711 were errors. Remove check for erroneous objects.
7713 2006-04-20 Jeff Law <law@redhat.com>
7715 PR tree-optimization/26854
7716 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7717 checking for zero or one use.
7718 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7719 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7720 * tree-ssa-reassoc.c (negate_value): Similarly.
7721 (reassociate_bb): Similarly.
7723 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7725 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7726 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7727 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7729 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7731 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7732 fp regs if the last fp arg doesn't fit in regs.
7734 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7737 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7738 that the last insn has the REG_INC note.
7740 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7741 Nathan Sidwell <nathan@codesourcery.com>
7744 * stor-layout.c (update_alignment_for_field): Do not align
7746 (place_union_field): Place union field at the start of the union.
7747 (place_field): Move ERROR_MARK check later, and use the current
7748 allocation position to maintain monotonicity.
7750 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7752 * dominance.c: Include timevar.h.
7753 (calculate_dominance_info): Use TV_DOMINANCE.
7754 * timevar.def (TV_DOMINANCE): New timevar.
7755 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7757 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7759 PR rtl-optimization/14261
7760 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7761 move would be an INSV insn.
7762 (noce_process_if_block): Don't optimize if the destination is a
7763 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7765 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7767 * config/s390/s390.md: Add comments with the instructions emitted
7768 by an insn pattern if macros are used.
7770 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7772 PR rtl-optimization/26026
7773 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7774 is a known power of two shifted left a variable amount.
7776 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7778 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7779 to hash table twice when the debug_str section has SECTION_MERGE.
7781 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7783 * config/soft-fp: New directory. From glibc.
7784 * config/soft-fp/t-softfp: New.
7785 * config/soft-fp/README: New.
7786 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7787 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7788 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7789 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7790 * config.gcc: Use rs6000/t-fprules-fpbit or
7791 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7793 * config/rs6000/sfp-machine.h: New. Based on glibc.
7794 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7796 * config/rs6000/t-fprules: Remove fp-bit rules.
7797 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7798 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7799 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7800 (softfp_wrap_start, softfp_wrap_end): New.
7802 2006-04-18 DJ Delorie <dj@redhat.com>
7804 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7806 2006-04-18 Devang Patel <dpatel@apple.com>
7808 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7810 2006-04-18 Nick Clifton <nickc@redhat.com>
7812 * config/sh/t-symbian: Add rule to build sh-c.o
7813 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7814 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7815 (sh_symbian_encode_section_info): Likewise.
7817 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7819 * builtins.c (expand_builtin_strcmp): Cover label definition of
7820 do_libcall with HAVE_cmpstrnsi.
7822 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7824 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7826 * function.h (temp_slot_p): New.
7827 (function): Change the type of x_used_temp_slots to
7828 VEC(temp_slot_p,gc) *.
7830 2006-04-18 Nick Clifton <nickc@redhat.com>
7832 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7833 flag_strength_reduce.
7835 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7837 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7841 Partial revert of revision 112637
7842 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7843 Dale Johannesen <dalej@apple.com>
7846 * regclass.c (struct reg_pref): Update documentation.
7847 (regclass): Set prefclass to NO_REGS if memory is the best option.
7848 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7850 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7852 PR tree-optimization/26821
7853 * tree-ssa-math-opts.c (get_constant_one): New.
7854 (insert_reciprocals): Use it.
7856 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7858 * dwarf2out.c (free_AT): Delete.
7859 (remove_AT): Update string ref counts.
7860 (remove_child_TAG): Don't call free_die.
7862 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7863 or DW_TAG_GNU_EINCL.
7864 (prune_unused_types_walk_attribs): Reset string refcounts.
7865 (prune_unused_types_update_strings): New.
7866 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7867 call free_die. Do call prune_unused_types_update_strings.
7868 (prune_unused_types): Empty debug_str_hash.
7870 2006-04-17 Roger Sayle <roger@eyesopen.com>
7872 * expr.c (expand_assignment): Optimize away no-op moves where the
7873 source and destination are equal and have no side-effects.
7875 2006-04-17 Richard Guenther <rguenther@suse.de>
7878 * reload.c (push_reload): Guard calls to get_secondary_mem
7881 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7883 * alias.c (reg_base_value, old_reg_base_value): Change the
7884 type to VEC(rtx,gc) *.
7885 (REG_BASE_VALUE, find_base_value, record_set,
7886 init_alias_analysis): Use VEC instead of VARRAY.
7888 * alias.c (alias_sets): Change the type to
7889 VEC(alias_set_entry,gc) *.
7890 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7891 VEC instead of VARRAY.
7892 (last_alias_set): Remove.
7894 * cgraph.h (cgraph_edge_p): New.
7895 Update the prototype of cgraph_function_versioning.
7896 * cgraphunit.c (cgraph_copy_node_for_versioning,
7897 cgraph_function_versioning): Use VEC instead of VARRAY.
7898 * ipa-cp.c (ipcp_insert_stage): Likewise.
7900 2006-04-16 Roger Sayle <roger@eyesopen.com>
7903 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7904 "A op B" or "A op C", we may need to convert A to the type of B and C.
7906 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7908 * target.h (struct gcc_target): Add mode_rep_extended.
7909 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7910 (init_num_sign_bit_copies_in_rep): Initialize it using
7912 (truncate_to_mode): Use it.
7913 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7914 * targhooks.h (default_mode_rep_extended): Declare it.
7915 * targhooks.c (default_mode_rep_extended): Define it.
7916 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7917 default_mode_rep_extended.
7918 (TARGET_INITIALIZER): Include it.
7919 * doc/tm.texi (Misc): Document it.
7920 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7921 (mips_truncated_to_mode): New function.
7923 2006-04-16 Roger Sayle <roger@eyesopen.com>
7926 * expr.c (compress_float_constant): Copy the narrow constant into
7927 a new pseudo before extending it to its final width.
7929 2006-04-16 Roger Sayle <roger@eyesopen.com>
7930 Andrew Pinski <pinskia@gcc.gnu.org>
7931 Dale Johannesen <dalej@apple.com>
7934 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7935 special case code to implement V8HImode and V16QImode with SSE2.
7937 2006-04-15 Roger Sayle <roger@eyesopen.com>
7939 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7940 trees are constructed with a suitable tree type.
7942 2006-04-15 Roger Sayle <roger@eyesopen.com>
7944 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7945 (integer_onep): Likewise.
7946 (integer_all_onesp): Likewise.
7947 (integer_pow2p): Likewise.
7948 (integer_nonzerop): Likewise.
7949 (real_zerop): Likewise.
7950 (real_onep): Likewise.
7951 (real_twop): Likewise.
7952 (real_minus_onep): Likewise.
7953 (int_size_in_bytes): Likewise.
7954 (host_integerp): Likewise.
7956 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7958 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7959 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7960 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7962 * tree-ssa-structalias.h (alias_info): Remove num_references.
7964 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7966 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7967 (output_bvb patterns): Likewise.
7968 * pa.c (output_bb): Use 'bb' insn for long branch case.
7969 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7970 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7971 1. Correct length operand for alternatives 1 and 2.
7972 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7973 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7975 2006-04-14 Roger Sayle <roger@eyesopen.com>
7977 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7978 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7979 were accidentally reverted by r112959.
7981 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7984 * except.h (eh_region_outermost): New prototype.
7985 * except.c (eh_region_outermost): New function.
7986 * tree-cfg.c (find_outermost_region_in_block): Use it.
7988 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7990 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7992 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7993 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7994 (init_reload, reload): Use VEC instead of VARRAY.
7995 * reload.h: Update the prototype for
7996 reg_equiv_memory_loc_varray.
7998 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7999 Eric Botcazou <ebotcazou@libertysurf.fr>
8001 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8004 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8007 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8008 to expand fallback builtin function call.
8010 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8013 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8014 and emit libcall here in case the builtin fails.
8015 (expand_builtin_strcmp): Always emit the libcall here on failure.
8017 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8019 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8020 * flow.c (reg_n_info): Change the type to
8021 VEC(reg_info_p,heap) *.
8022 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8024 * regs.h (reg_info_p): New.
8025 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8026 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8027 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8030 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8032 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8034 * params.h (MAX_SCHED_READY_INSNS): New macro.
8035 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8036 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8037 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8038 the ready list for 1 cycle during the first scheduling pass.
8039 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8041 2006-04-13 Richard Henderson <rth@redhat.com>
8044 * gimple-low.c (lower_omp_directive): Remove dead code.
8045 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8046 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8047 * omp-low.c (struct omp_region): Move to tree-flow.h.
8048 (root_omp_region): Export.
8049 (omp_regions, lookup_omp_region): Remove.
8050 (determine_parallel_type): Update for struct omp_region changes.
8051 (dump_omp_region): Dump regions with block numbers.
8052 (new_omp_region): Take type and block instead of stmt; malloc
8054 (free_omp_region_1, free_omp_regions): New.
8055 (expand_parallel_call): Take entry_stmt as argument; update for
8056 changes to omp_region.
8057 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8058 (remove_exit_barriers): New.
8059 (expand_omp_parallel): Update for struct omp_region changes.
8060 (expand_omp_synch): Likewise.
8061 (expand_omp): Likewise.
8062 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8063 (expand_omp_for_static_chunk): Likewise.
8064 (expand_omp_for): Likewise.
8065 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8066 (expand_omp_sections): Similarly, with GOMP_sections_end.
8067 (expand_omp_single): New.
8068 (build_omp_regions_1): Update for OMP_CONTINUE.
8069 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8070 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8071 OMP_SECTIONS_SECTIONS.
8072 (lower_omp_single_simple): Don't emit barrier here.
8073 (lower_omp_single_copy): Likewise.
8074 (lower_omp_single): Fix bindings, and lower to straightline now.
8075 (lower_omp_master, lower_omp_ordered): Likewise.
8076 (lower_omp_critical): Likewise.
8077 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8078 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8079 omp edges, free it afterward.
8080 (make_omp_sections_edges): Remove.
8081 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8082 (move_stmt_r): Handle OMP_CONTINUE.
8083 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8084 statement pointers to basic blocks. Add type member.
8085 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8086 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8087 * tree-inline.c (estimate_num_insns_1): Likewise.
8088 * tree-pretty-print.c (dump_generic_node): Likewise.
8089 * tree-ssa-operands.c (get_expr_operands): Likewise.
8090 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8091 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8092 (OMP_CONTINUE): New.
8093 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8094 (OMP_SECTIONS_SECTIONS): Remove.
8095 (OMP_SECTION_LAST): New.
8096 (OMP_RETURN_NOWAIT): New.
8098 2006-04-13 Roger Sayle <roger@eyesopen.com>
8100 * fold-const.c (native_encode_vector, native_interpret_real):
8101 Correct obvious mistakes in the previous check-in.
8103 2006-04-13 Roger Sayle <roger@eyesopen.com>
8105 * fold-const.c (native_encode_expr): New function to encode
8106 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8107 or VECTOR_CST into a specified buffer.
8108 (native_encode_int): New function.
8109 (native_encode_real): New function.
8110 (native_encode_complex): New function.
8111 (native_encode_vector): New function.
8112 (native_interpret_expr): Inverse of native_encode_expr to convert
8113 a target representation into an INTEGER_CST, REAL_CST etc...
8114 (native_interpret_int): New function.
8115 (native_interpret_real): New function.
8116 (native_interpret_complex): New function.
8117 (native_interpret_vector): New function.
8118 (fold_view_convert_expr): New function to constant fold/evaluate
8119 a VIEW_CONVERT_EXPR of a suitable constant expression.
8120 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8121 Change call of build1 to fold_build1 when constructing a
8124 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8125 Ulrich Weigand <uweigand@de.ibm.com>
8128 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8131 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8134 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8135 optimize to lo_sum for DFmode if !TARGET_FPRS.
8137 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8139 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8140 delete_alias_info, compute_flow_sensitive_aliasing,
8141 group_aliases): Use VEC instead of VARRAY.
8142 * tree-ssa-structalias.c (update_alias_info): Likewise.
8143 * tree-ssa-structalias.h (alias_info): Change the type of
8144 processed_ptrs to VEC(tree,heap) *.
8146 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8149 * config/sh/lib1funcs.h: New file, broken out of:
8150 * config/sh/lib1funcs.asm.
8151 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8153 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8154 * config/sh/lib1funcs-Os-4-200.asm: New file.
8155 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8156 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8157 (EXTRA_MULTILIB_PARTS): Include it.
8158 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8159 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8160 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8161 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8164 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8166 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8167 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8168 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8170 * tree-ssa-live.h: Include vecprim.h.
8171 (tree_partition_associator_d): Change the type of
8172 first_partition to VEC(int,heap) *.
8173 (tpa_first_partition): Use VEC instead of VARRAY.
8175 * Makefile.in (GTFILES): Move functions.h after tree.h.
8176 * function.c (reset_block_changes, record_block_change,
8177 check_block_change, free_block_changes): Use VEC instead of
8179 * function.h (function): Change the type of
8180 ib_boundaries_block to VEC(tree,gc) *.
8181 * tree-inline.c (copy_cfg_body): Initialize
8182 ib_boundaries_block to NULL instead of (varray_type) 0.
8184 2006-04-12 Roger Sayle <roger@eyesopen.com>
8186 * expr.c (emit_group_store): Correct operand order in call to
8187 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8188 a SUBREG_BYTE of zero.
8190 2006-04-12 Richard Guenther <rguenther@suse.de>
8192 * profile.c (compute_branch_probabilities): Remove code
8193 encapsulated in !ir_type (), which are remanents of the
8194 removed RTL profiling code.
8195 * rtl-profile.c: Remove.
8197 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8199 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8200 magic NULL_RTX comment.
8201 (function_arg): Store entire fp arg to mem if any part should go
8203 (rs6000_arg_partial_bytes): Adjust for above change.
8205 2006-04-11 Roger Sayle <roger@eyesopen.com>
8207 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8208 if it hasn't been initialized by dwarf2out_init.
8210 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8212 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8213 symbolic constants in branch patterns.
8215 2006-04-11 Roger Sayle <roger@eyesopen.com>
8217 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8219 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8221 PR rtl-optimization/27073
8222 * gcse.c (try_replace_reg): Revert last change. Continue to search
8223 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8226 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8228 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8229 aggregate types other than record and union types.
8230 (function_arg): Likewise.
8231 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8233 (function_value): In 64-bit mode, return objects that require it
8236 2006-04-11 Roger Sayle <roger@eyesopen.com>
8238 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8240 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8242 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8244 2006-04-03 Jeff Law <law@redhat.com>
8247 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8248 alias information too.
8250 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8252 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8254 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8257 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8258 (premark_used_types_helper): New.
8259 (premark_used_types): New.
8260 (gen_subprogram_die): Call premark_used_types.
8261 (prune_unused_types_walk): Do not prune perennial dies.
8262 * function.c (used_types_insert): New.
8263 * function.h (struct function): Add used_types_hash field.
8264 (used_types_insert): Add prototype.
8265 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8266 * c-parser.c (c_parser_cast_expression): Save casted types in used
8269 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8272 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8273 rs6000_explicit_options.float_gprs.
8275 2006-04-10 Roger Sayle <roger@eyesopen.com>
8277 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8278 from ix86_expand_vector_init_low_nonzero. Take an additional
8279 one_var argument indicating which element is non-zero. Support
8280 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8281 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8282 with one_var instead of ix86_expand_vector_init_low_nonzero.
8284 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8286 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8287 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8288 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8289 build/genextract.o): Depend on vecprim.h.
8290 * cfglayout.c, df-problems.c, function.c, genextract.c,
8291 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8292 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8296 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8298 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8299 Declare VECs of this type.
8300 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8301 (remove_children): Delete.
8302 (add_dwarf_attr): Use VEC routines.
8303 (add_AT_flag): Update for changes to add_dwarf_attr.
8304 (add_AT_int): Likewise.
8305 (add_AT_unsigned): Likewise.
8306 (add_AT_long_long): Likewise.
8307 (add_AT_vec): Likewise.
8308 (add_AT_string): Likewise.
8309 (add_AT_die_ref): Likewise.
8310 (add_AT_fde_ref): Likewise.
8311 (add_AT_loc): Likewise.
8312 (add_AT_loc_list): Likewise.
8313 (add_AT_addr): Likewise.
8314 (add_AT_lbl_id): Likewise.
8315 (add_AT_lineptr): Likewise.
8316 (add_AT_macptr): Likewise.
8317 (add_AT_offset): Likewise.
8318 (add_AT_range_list): Likewise.
8319 (get_AT): Use VEC_iterate.
8320 (remove_AT): Use VEC_ordered_remove.
8321 (free_die): Fold remove_children into here; have it use VEC_iterate.
8322 (print_die): Use VEC_iterate on attrs.
8323 (reverse_die_lists): Don't reverse attr lists.
8324 (die_checksum): Use VEC_iterate on attrs.
8325 (same_die_p): Likewise.
8326 (output_location_lists): Likewise.
8327 (build_abbrev_table): Likewise.
8328 (size_of_die): Likewise.
8329 (unmark_all_dies): Likewise.
8330 (output_abbrev_section): Likewise.
8331 (output_die): Likewise.
8332 (prune_unused_types_walk_attribs): Likewise.
8334 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8336 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8338 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8341 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8343 2006-04-09 Roger Sayle <roger@eyesopen.com>
8345 * expr.c (store_constructor): Don't bother clearing target if
8346 we're about to assign a vector to it using vec_init_optab.
8348 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8350 * tree-ssa-alias.c (lhs_may_store_to): New function.
8351 (recalculate_used_alone): Handle LHS of calls.
8353 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8357 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8358 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8359 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8360 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8361 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8362 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8363 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8364 stubs. Add ".align 8" directives before all ".dword" directives.
8365 (GTHREAD_USE_WEAK): Revise comment.
8366 (TARGET_ATTRIBUTE_WEAK): Define.
8367 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8368 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8369 * stublib.c: New file.
8374 * pa.md (cbranch patterns): Revise arguments used in calls to
8375 output_cbranch, output_bb and output_bvd. Add long branch length
8377 (fbranch patterns): Handle long branches.
8378 (jump): Revise length check. Revise arguments for output_lbranch call.
8379 Add long branch length attributes.
8380 (decrement_and_branch_until_zero): Add long branch length attributes.
8381 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8382 Likewise. Revise arguments for output_parallel_addb and
8383 output_parallel_movb calls.
8384 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8385 output_parallel_movb and output_parallel_addb): Update prototypes.
8386 * pa.c (output_cbranch): Revise arguments. Correct handling of
8387 nullification in long branches.
8388 (output_lbranch): Add new argument to control extraction of delay
8390 (output_bb): Handle long branches.
8391 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8392 output_parallel_addb): Likewise.
8394 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8396 PR rtl-optimization/27073
8397 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8400 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8402 * tree.h (tree_memory_tag): Add old_used_alone.
8403 (SMT_OLD_USED_ALONE): New macro.
8404 * tree-ssa-alias.c (recalculate_used_alone): Stop
8405 marking things for renaming unnecessarily.
8407 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8409 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8410 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8411 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8412 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8413 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8414 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8415 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8416 spelling convensions.
8417 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8418 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8419 typos. Follow spelling conventions.
8421 2006-04-07 DJ Delorie <dj@redhat.com>
8423 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8424 passed on the stack.
8425 (m32c_init_cumulative_args): When a function returns a structure,
8426 always pass the pointer to that return area on the stack.
8427 (m32c_function_arg_advance): Don't increment the parameter number
8428 if we're processing the returned structure pointer.
8429 (pushm_info): Reverse order of registers.
8431 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8433 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8434 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8435 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8436 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8438 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8439 chrec_fold_multiply): Same.
8440 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8441 force_expr_to_var_cost): Same.
8442 * tree-mudflap.c (mf_xform_derefs_1): Same.
8443 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8445 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8447 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8448 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8451 2006-04-07 Jan Hubicka <jh@suse.cz>
8453 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8455 2006-04-07 Richard Guenther <rguenther@suse.de>
8457 PR tree-optimization/26135
8458 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8459 loads for store copy-prop.
8460 (copy_prop_visit_stmt): Likewise.
8462 2006-04-05 Robert Millan <robertmh@gnu.org>
8464 * config/i386/linux.h: Add a comment to mark macros that are
8465 being overriden in config/k*bsd-gnu.h.
8466 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8468 * config/knetbsd-gnu.h: Ditto.
8470 2006-04-06 Jan Hubicka <jh@suse.cz>
8474 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8477 2006-04-06 Mike Stump <mrs@apple.com>
8479 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8480 for HAVE_nonlocal_goto to be consistent.
8481 (expand_builtin_nonlocal_goto): Likewise.
8482 (expand_builtin_strcmp): Use #ifdef instead of #if
8483 for HAVE_cmpstrnsi to be consistent.
8485 2006-04-05 DJ Delorie <dj@redhat.com>
8487 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8490 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8492 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8493 got-relative addressing for anything but SImode.
8495 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8496 even if the calling function doesn't modify them.
8498 2006-04-05 Richard Guenther <rguenther@suse.de>
8500 PR tree-optimization/26919
8501 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8502 to cgraph_estimate_size_after_inlining.
8504 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8506 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8508 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8510 PR tree-optimization/26996
8511 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8512 VECTOR_TYPE variables.
8514 2006-04-05 Richard Guenther <rguenther@suse.de>
8516 PR tree-optimization/26763
8517 * fold-const.c (fold_comparison): Move folding of
8518 PTR + CST CMP PTR + CST ...
8519 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8521 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8523 * doc/install.texi (Prerequisites): Refine some wording on
8524 bootstrapping and ksh.
8525 Move the version numbers of DejaGnu here from the testing section
8526 and fix casing of names.
8527 Fix markup and clarify wording for autogen requirements.
8528 Refer to GCJ instead of just java.
8529 Refer to SVN instead of CVS.
8530 Describe diffutils as useful instead of necessary.
8531 (Downloading the source): Refer to SVN instead of CVS.
8532 Adjust a link to our web site accordingly.
8533 (Configuration): Fix casing of Bison.
8534 (Building): Refer to SVN instead of CVS.
8535 Fix a sentence on the use of Bison and remove duplicate (and
8536 incorrect) version number of Bison requirement.
8537 Remove one redundant list of packages needed for building.
8538 (Specific): Avoid reference to CVS.
8540 2006-04-04 Eric Christopher <echristo@apple.com>
8542 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8543 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8544 (rs6000_handle_struct_attribute): New.
8545 (rs6000_ms_bitfield_layout_p): Ditto.
8547 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8549 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8550 NULL for dso parameter to atexit_common.
8552 2006-04-04 Eric Christopher <echristo@apple.com>
8554 * config/i386/i386.c (machopic_output_stub): Output \t
8555 between instructions and operands.
8557 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8559 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8560 satisfies_constraint_[IL] to explicit tests on value.
8562 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8564 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8565 set_nb_iterations_in_loop): Use build_int_cst instead of
8567 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8568 build_int_cst instead of convert.
8570 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8572 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8573 new value 2 for incoming.
8574 * function.c (expand_function_start): Call struct_value_rtx
8576 * config/sparc/sparc.md: Comment updated_return.
8577 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8578 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8579 struct return if sparc_std_struct_return and incoming is 2.
8580 (print_operand): Do not adjust return if
8581 sparc_std_struct_return.
8583 2006-04-04 Roger Sayle <roger@eyesopen.com>
8585 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8586 convert in the middle-end.
8587 * expr.c (store_expr, store_constructor, get_inner_reference,
8588 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8590 * tree.c (build_range_type): Likewise.
8592 2006-04-04 Tom Tromey <tromey@redhat.com>
8594 * doc/install.texi (Prerequisites): Mention jar.
8596 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8598 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8601 2006-04-04 Matthias Klose <doko@debian.org>
8603 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8607 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8610 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8612 * doc/extend.texi (Function Attributes): Rewrite visibility
8613 attribute documentation.
8614 * doc/invoke.texi (C++ Dialect Options): Rewrite
8615 -fvisibility-inlines-hidden documentation to describe something
8616 entirely different, although in practise compatible.
8617 (Code Gen Options): Warn about system headers in -fvisibility=
8620 * doc/extend.texi (Other Builtins): Document that
8621 __builtin_nan is a compile-time constant only when its argument
8624 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8626 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8627 trying to remove TRUNCATE check if all bits outside the new mode
8628 are identical to the sign bit.
8630 2006-04-03 Jeff Law <law@redhat.com>
8632 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8633 and operand scanning in some common cases.
8635 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8636 Dale Johannesen <dalej@apple.com>
8639 * regclass.c (struct reg_pref): Update documentation.
8640 (regclass): Set prefclass to NO_REGS if memory is the best option.
8641 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8642 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8643 into account. For non-registers, equate an empty preferred
8644 reload class to a `!' in the constraint; move the if clause to
8645 do so after those that reject the insn.
8646 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8648 (find_dummy_reload): Likewise.
8649 * doc/tm.texi (Register Classes): Document what it means
8650 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8651 * config/i386/i386.c (ix86_preferred_reload_class): Force
8652 using SSE registers (and return NO_REGS for floating-point
8653 constants) if math is done with SSE.
8654 (ix86_preferred_output_reload_class): New.
8655 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8656 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8657 * config/i386/i386.md: Remove # register preferences.
8659 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8662 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8663 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8664 the type of nb_iter.
8665 (instantiate_parameters_1): Convert the operands before calling
8666 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8667 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8669 2006-04-02 Roger Sayle <roger@eyesopen.com>
8671 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8672 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8674 * dojump.c (do_jump): Likewise.
8675 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8676 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8677 gimplify_boolean_expr): Likewise.
8678 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8679 * varasm.c (array_size_for_constructor): Likewise.
8680 * tree-object-size.c (compute_object_offset): Likewise.
8682 2006-04-02 Roger Sayle <roger@eyesopen.com>
8685 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8686 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8688 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8690 PR tree-optimization/26939
8691 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8693 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8695 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8696 at_stmt. Convert the type of operands before calling
8697 build_polynomial_chrec.
8698 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8700 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8701 (instantiate_parameters_1): Convert the type of operands before calling
8702 build_polynomial_chrec.
8703 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8704 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8705 reset_evolution_in_loop): Insert asserts to check the types of the
8707 (chrec_type): Moved...
8708 (eq_evolutions_p): Use operand_equal_p.
8709 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8710 the types of the operands.
8711 (chrec_type): ...here.
8712 * tree-data-ref.c (create_data_ref): Convert the operands before
8713 calling chrec_replace_initial_condition.
8714 (same_access_functions, analyze_subscript_affine_affine,
8715 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8716 (compute_subscript_distance, analyze_ziv_subscript,
8717 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8718 analyze_miv_subscript): Convert the operands before calling
8719 chrec_fold_minus or chrec_fold_plus.
8721 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8723 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8724 the dependence_relations vector.
8725 (compute_data_dependences_for_loop): Adjust call to
8726 compute_all_dependences.
8728 2006-04-01 Roger Sayle <roger@eyesopen.com>
8729 Richard Henderson <rth@redhat.com>
8731 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8732 gimple_boolify on the condition before calling gimplify_expr.
8734 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8736 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8737 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8738 the frame size. Update to use the new macros.
8739 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8740 * config/xtensa/ieee754-df.S: Likewise.
8742 2006-03-31 Richard Henderson <rth@redhat.com>
8744 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8745 (make_edges): ... here. Control fallthru creation with a local
8746 variable. Do not play with fake edges.
8747 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8748 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8751 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8753 * dwarf2.h (DW64_CIE_ID): Define.
8754 * dwarf2out.c (DWARF_CIE_ID): Define.
8755 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8756 length header. Use DWARF_CIE_ID.
8757 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8758 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8760 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8762 * config/sh/linux-atomic.asm: New file.
8763 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8765 2006-03-31 DJ Delorie <dj@redhat.com>
8767 * config/m32c/cond.md: Set condition flags properly throughout.
8768 * config/m32c/minmax.md: Likewise.
8769 * config/m32c/prologue.md: Likewise.
8770 * config/m32c/bitops.md: Likewise.
8771 * config/m32c/muldiv.md: Likewise.
8772 * config/m32c/mov.md: Likewise.
8773 * config/m32c/addsub.md: Likewise.
8774 * config/m32c/m32c.md: Likewise.
8775 * config/m32c/jump.md: Likewise.
8776 * config/m32c/shift.md: Likewise.
8778 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8779 conditionally output the pattern for this.
8780 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8781 (m32c_compare_redundant): New.
8782 (m32c_output_compare): New.
8783 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8785 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8786 dest, not src. Allow other 4-byte modes.
8788 2006-03-30 Denis Chertykov <denisc@overta.ru>
8790 * doc/md.texi: Refer to avr/constraints.md instead of
8793 2006-03-30 Roger Sayle <roger@eyesopen.com>
8795 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8796 signed vs. unsigned comparison failures on some hosts.
8798 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8801 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8802 change to FLOAT_REGS.
8804 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8805 (rs6000_override_options): Use it.
8806 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8807 only for -mabi=spe/no-spe and -mabi=altivec.
8809 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8811 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8814 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8816 * Makefile.in: Rename docdir to gcc_docdir.
8818 2006-03-30 Roger Sayle <roger@eyesopen.com>
8821 * expr.c (emit_group_store): Optimize group stores into a pseudo
8822 register by using a paradoxical subreg to initialize the destination
8823 if the first or last member of the group specifies a "low part".
8825 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8828 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8829 * target.h (struct gcc_target.speculate_insn): Change type of the
8830 second parameter to 'int'.
8831 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8832 the second operand of the DEPS_LIST.
8833 (copy_DEPS_LIST_list): Update reference to the second operand of the
8835 * rtl.h (alloc_DEPS_LIST): Update signature.
8836 * sched-int.h (ds_t): Change typedef to 'int'.
8837 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8839 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8841 * haifa-sched.c (try_ready): Change condition to restore
8842 non-speculative pattern of the instruction.
8843 (process_insn_depend_be_in_spec): Code to keep probability of the
8844 speculative dependence non-decreasing.
8846 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8848 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8849 (single_move_for_movmem): ... this. Also change all uses.
8850 (bfin_expand_strmov): Renamed to...
8851 (bfin_expand_movmem): ... this. Also change all uses.
8852 * config/bfin/bfin.md (movstrsi): Renamed to...
8853 (movstrsi): ...this.
8855 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8857 PR tree-optimization/26830
8859 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8860 (copy_prop_visit_stmt): Remove write-only variable ann.
8861 (init_copy_prop): Check variable loop depth here. Do not simulate
8862 memory-tag and virtual operand PHIs except for store copy prop.
8864 2006-03-30 Richard Guenther <rguenther@suse.de>
8866 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8867 variants with double arguments.
8869 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8871 * genpreds.c (write_tm_constrs_h): Delete variable p.
8872 * genconditions.c (write_header): Add tm-constrs.h to included
8874 * genpeep.c (main): Add toplev.h to included headers.
8875 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8876 (build/genpeep.o): Add toplev.h dependency.
8877 * config/rs6000/constraints.md: Add "W" constraint.
8879 2006-03-29 Roger Sayle <roger@eyesopen.com>
8881 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8882 sizes by correctly testing whether the size fits a host integer.
8883 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8884 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8885 SImode range for the default sizetype and bitsizetype.
8887 2006-03-29 Roger Sayle <roger@eyesopen.com>
8889 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8890 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8891 quickly if the argument is already of the correct type.
8892 Call fold_build1 instead of build1. Tidy up blank lines.
8894 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8896 * genemit.c (main): Add tm-constrs.h to included headers.
8897 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8898 * genpeep.c (main): Add tm-constrs.h to included headers.
8899 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8900 (write_tm_constrs_h): this and write complete file.
8901 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8902 (write_insn_preds_c): Add tm-constrs.h to included headers.
8903 (gen_constrs): New variable.
8904 (parse_option): Parse "-c".
8905 (main): Invoke write_tm_constrs_h.
8906 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8907 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8908 (object_out_file): Add tm-constrs.h dependency.
8909 (insn-emit.o): Same.
8910 (insn-output.o): Same.
8911 (insn-peep.o): Same.
8912 (insn-preds.o): Same.
8913 (insn-recog.o): Same.
8914 (tm-constsr.h): New target.
8915 (s-constrs-h): New target.
8917 * config/rs6000/constraints.md: New file.
8918 * config/rs6000/rs6000.c: Include tm-constrs.h.
8919 (num_insn_constant_wide): Convert to satisfies_constraint.
8920 (rs6000_rtx_costs): Convert to satisfies_constraint.
8921 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8922 (CONST_OK_FOR_LETTER_P): Delete.
8923 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8924 (EXTRA_CONSTRAINT): Delete.
8925 (EXTRA_MEMORY_CONSTRAINT): Delete.
8926 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8927 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8928 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8929 satisfies_constraint.
8931 * config/i386/i386.c: Include tm-constrs.h.
8933 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8935 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8936 * tree-data-ref.c (find_data_references_in_loop,
8937 compute_data_dependences_for_loop): Use pointers to VEC.
8938 (analyze_all_data_dependences): Adjust calls.
8939 * tree-data-ref.h (find_data_references_in_loop,
8940 compute_data_dependences_for_loop): Adjust declarations.
8941 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8942 compute_data_dependences_for_loop.
8944 2006-03-29 Paul Brook <paul@codesourcery.com>
8946 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8949 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8951 PR tree-optimization/26859
8952 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8954 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8955 for the step after fold_convert.
8957 2006-03-29 Paul Brook <paul@codesourcery.com>
8959 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8960 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8962 2006-03-29 Paul Brook <paul@codesourcery.com>
8965 * targhooks.c (default_narrow_bitfield): New fuction.
8966 * targhooks.h (default_narrow_bitfield): add prototype.
8967 * target.h (gcc_target): Add narrow_volatile_bitfield.
8968 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8969 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8970 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8971 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8973 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8975 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8977 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8978 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8979 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8980 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8981 (s390_function_arg_float): Allow SDmode and DDmode values to be
8982 passed in floating point registers.
8983 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8984 check with SCALAR_FLOAT_MODE_P.
8985 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8987 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8989 PR tree-optimization/25985
8990 * tree-ssa-loop-niter.c (number_of_iterations_le,
8991 number_of_iterations_ne): Make comments more precise.
8992 (number_of_iterations_cond): Add only_exit argument. Use the
8993 fact that signed variables do not overflow only when only_exit
8995 (loop_only_exit_p): New.
8996 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8997 number_of_iterations_cond.
8999 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9001 PR tree-optimization/26643
9002 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9005 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9007 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9008 (divsi3_i4_int): Likewise.
9010 2006-03-28 Roger Sayle <roger@eyesopen.com>
9012 * expr.c (emit_group_store): Only create a new pseudo reg if the
9013 quantity it needs to hold isn't already a suitable pseudo.
9015 2006-03-28 Jeff Law <law@redhat.com>
9017 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9018 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9020 2006-03-28 Roger Sayle <roger@eyesopen.com>
9022 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9023 the equivalent ~X & Y, and the symmetry related transformations.
9024 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9025 ~X & Y, and symmetry related transforms.
9027 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9029 Revert my 2006-03-27 patches.
9031 2006-03-28 Roger Sayle <roger@eyesopen.com>
9033 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9034 ~(T1)X, when T1 and T2 are integer types of the same precision
9035 and (T2)X isn't an extension.
9037 2006-03-28 Jeff Law <law@redhat.com>
9039 PR tree-optimization/26796
9040 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9041 need EH edge cleanups rather than purging them immediately.
9042 (eliminate_degenerate_phis): Handle queued EH cleanups.
9044 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9046 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9049 2006-03-27 Roger Sayle <roger@eyesopen.com>
9052 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9053 cast BIT_NOT_EXPR operand to the correct type.
9055 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9057 * tree-loop-linear.c: Don't include varray.h.
9058 (gather_interchange_stats, try_interchange_loops,
9059 linear_transform_loops): Use VEC instead of VARRAY.
9060 * lambda-mat.c: Don't include varray.h.
9061 * tree-chrec.c: Same.
9062 * lambda-trans.c: Same.
9063 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9064 VEC instead of VARRAY.
9065 * tree-vectorizer.h: Idem.
9066 * tree-data-ref.c (dump_data_references,
9067 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9068 initialize_data_dependence_relation, finalize_ddr_dependent,
9069 compute_all_dependences, find_data_references_in_loop,
9070 compute_data_dependences_for_loop, analyze_all_data_dependences,
9071 free_dependence_relation, free_dependence_relations,
9072 free_data_refs): Idem.
9073 * tree-data-ref.h (data_reference_p, subscript_p): New.
9074 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9075 VEC instead of VARRAY.
9076 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9077 (find_data_references_in_loop, compute_data_dependences_for_loop,
9078 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9079 dump_data_dependence_relations, free_dependence_relations,
9080 free_data_refs): Adjust declaration.
9081 (lambda_transform_legal_p): Move declaration here...
9082 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9083 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9084 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9085 vect_analyze_data_refs): Use VEC instead of VARRAY.
9086 * lambda.h (lambda_transform_legal_p): ...from here.
9087 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9088 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9089 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9090 tree-chrec.o): Don't depend on VARRAY_H.
9092 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9094 * rtl.def (Copyright): Update date.
9095 (DEPS_LIST): Change type of the second operand to 'int'.
9096 * target.h (Copyright): Update date.
9097 (struct gcc_target.speculate_insn): Change type of the second parameter
9099 * lists.c (Copyright): Update date.
9100 (alloc_DEPS_LIST): Change signature. Update reference to the second
9101 operand of the DEPS_LIST.
9102 (copy_DEPS_LIST_list): Update reference to the second operand of the
9104 * rtl.h (Copyright): Update date.
9105 (alloc_DEPS_LIST): Update signature.
9106 * sched-int.h (Copyright): Update date.
9107 (ds_t): Change typedef to 'int'.
9108 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9110 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9112 * haifa-sched.c (Copyright): Update date.
9113 (try_ready): Change condition to restore non-speculative pattern
9115 (process_insn_depend_be_in_spec): Code to keep probability of the
9116 speculative dependence non-decreasing.
9118 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9120 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9121 shut up the compiler.
9123 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9125 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9126 to use lib prefix for target.
9127 ($(T)libic_invalidate_array_4-200.a): Likewise.
9128 ($(T)libic_invalidate_array_4a.a): Likewise.
9130 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9131 J"orn Rennecke <joern.rennecke@st.com>
9133 * superh.opt: New file.
9134 * sh.c (boardtype, osruntime): Remove.
9135 * superh.h (SUBTARGET_OPTIONS): Remove.
9136 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9138 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9139 arguments with ^ and/or [].
9141 * config.gcc (sh-*-*): Add quoting to account for quirk of
9143 Replace == with = in enable_incomplete_targets test.
9145 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9146 with MASK_LITTLE_ENDIAN.
9148 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9149 * config/sh/sh.opt: Added to some comments.
9150 * config/sh/superh.h: Removed some chaff.
9152 * config/sh/sh.opt: Add m4-[1234]00* options.
9153 * config/sh/sh.c (sh_handle_option): Likewise.
9154 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9155 (ic_invalidate_array_4-100.o): New rule.
9156 ($(T)libic_invalidate_array_4-100.a): Likewise.
9157 (ic_invalidate_array_4-200.o): Likewise.
9158 ($(T)libic_invalidate_array_4-200.a): Likewise.
9159 (ic_invalidate_array_4a.o): Likewise.
9160 ($(T)libic_invalidate_array_4a.a): Likewise.
9161 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9162 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9164 * config/sh/crt1.asm: Merged in profiling code.
9165 * config/sh/superh.h (STARTFILE_SPEC): Override.
9166 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9167 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9168 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9170 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9171 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9172 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9174 * sh.opt (mpretend-cmove): New option.
9175 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9176 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9177 (movsicc): Add TARGET_PRETEND_CMOVE code.
9179 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9181 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9182 s390_class_max_nregs): New function prototypes.
9183 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9184 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9185 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9186 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9188 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9190 * dwarf2out.c (add_location_or_const_value_attribute): Call
9191 tree_add_const_value_attribute if nothing else works.
9192 (reference_to_unused): New.
9193 (rtl_for_decl_init): Use reference_to_unused to decide whether
9194 to output an initializer.
9196 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9199 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9200 peephole removing spe frob_di_df_2.
9202 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9204 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9205 (subscript_dependence_tester_1): Declared.
9206 (print_dir_vectors, print_dist_vectors): New.
9207 (debug_data_dependence_relation): New.
9208 (dump_data_dependence_relation): Print more details.
9209 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9210 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9211 (save_dist_v, save_dir_v, add_outer_distances,
9212 build_classic_dist_vector_1): New.
9213 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9214 Don't test for lambda_vector_lexico_pos.
9215 (same_access_functions, add_multivariate_self_dist,
9216 add_other_self_distances, dir_from_dist): New.
9217 (build_classic_dir_vector): Replace implementation almost identical to
9218 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9220 (subscript_dependence_tester_1): New.
9221 (subscript_dependence_tester): Handle the lexicographically negative
9222 distance vectors by recomputing the dependence relation.
9223 (compute_affine_dependence): Remove parameter loop_nest_depth.
9224 (compute_self_dependence): Don't call compute_subscript_distance.
9225 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9226 Add a parameter for the loop_nest.
9227 (find_loop_nest_1, find_loop_nest): New.
9228 (compute_data_dependences_for_loop): Compute the loop nest, and give
9229 up if the nest is not well formed.
9230 * tree-data-ref.h (loop_p): New.
9231 (struct data_dependence_relation): Replace size_vect field with
9232 loop_nest, a vec of loops.
9233 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9234 (DDR_LOOP_NEST): New.
9235 (print_dir_vectors, print_dist_vectors,
9236 debug_data_dependence_relation): Declared.
9237 (index_in_loop_nest): New.
9238 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9239 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9242 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9244 * simplify-rtx.c (simplify_relational_operation): Call
9245 simplify_relational_operation_1 even if mode is VOIDmode.
9247 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9249 PR tree-optimization/26804
9250 * tree.h (DECL_CALL_CLOBBERED): New macro.
9251 (tree_decl_common): Add call_clobbered_flag.
9252 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9253 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9254 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9255 (mark_non_addressable): Ditto.
9256 * tree-ssa.c (verify_call_clobbered): New function.
9257 (verify_alias_info): Use it.
9258 * tree-pass.h (pass_reset_cc_flags): New prototype.
9259 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9260 (reset_cc_flags): New function.
9261 * passes.c (init_optimization_passes): Call reset_cc_flags after
9262 initializing referenced_vars.
9264 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9265 Roger Sayle <roger@eyesopen.com>
9268 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9269 to 1.0 for non-real operands. Implement A / A optimization for
9272 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9274 * config/i386/i386.c (size_cost): Correct the comment for
9275 cost of storing fp registers.
9276 (i386_cost): Likewise.
9277 (i486_cost): Likewise.
9278 (pentium_cost): Likewise.
9279 (pentiumpro_cost): Likewise.
9280 (k6_cost): Likewise.
9281 (athlon_cost): Likewise.
9282 (k8_cost): Likewise.
9283 (pentium4_cost): Likewise.
9284 (nocona_cost): Likewise.
9285 (generic64_cost): Likewise.
9286 (generic32_cost): Likewise.
9288 2006-03-24 Denis Chertykov <denisc@overta.ru>
9290 * config/avr/avr-protos.h (extra_constraint): Delete.
9291 (extra_constraint_Q): New declaration.
9292 * config/avr/constraints.md: New file.
9293 * config/avr/avr.md: Include it.
9294 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9295 (TMP_REGNO, ZERO_REGNO): Likewise.
9296 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9297 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9298 (extra_constraint): Delete.
9299 (extra_constraint_Q): Test for memory constraint 'Q'.
9300 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9301 (REG_CLASS_FROM_LETTER): Delete.
9302 (CONST_OK_FOR_LETTER_P): Delete.
9303 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9304 (EXTRA_CONSTRAINT): Delete.
9305 (TMP_REGNO): Delete.
9306 (ZERO_REGNO): Delete.
9308 2006-03-24 Jeff Law <law@redhat.com>
9310 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9311 directly. Call mark_new_vars_to_rename slightly earlier.
9313 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9315 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9317 (gen_compile_unit_die): Use new language types for Objective-C and
9319 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9320 DW_LANG_C_plus_plus.
9323 * config/t-darwin (crt3.o): Work around bug 26840.
9324 * config/darwin-crt3.c: Rewrite.
9325 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9327 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9329 * doc/invoke.texi: Document -femit-class-debug-always
9330 * common.opt: Add -femit-class-debug-always.
9332 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9334 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9335 index and base register.
9336 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9337 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9338 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9339 REGNO_OK_FOR_INDEX_P.
9340 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9342 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9343 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9344 REG_OK_FOR_BASE_P): Definitions removed.
9346 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9349 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9350 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9351 set yet or weren't marked as local yet.
9353 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9355 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9358 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9360 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9361 (rs6000_legitimate_small_data_p): Delete.
9362 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9363 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9364 and make static. Add forward declaration. Update uses.
9365 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9366 of offsettable_memref_p.
9367 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9368 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9370 2006-03-24 Jeff Law <law@redhat.com>
9372 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9373 around bug in immediate-use iterator.
9375 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9378 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9379 or __LITTLE_ENDIAN__.
9381 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9383 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9384 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9385 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9386 * config/sh/sh.opt (mdiv=): Amend description.
9387 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9388 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9389 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9390 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9391 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9392 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9393 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9394 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9395 TARGET_DIVIDE_CALL_FP.
9397 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9399 * haifa-sched.c (choose_ready): Fix type of the local variable.
9400 Move local variables. Add comment.
9401 (check_reg_live): Change signature. Make callable from debugger.
9402 * sched-int.h (check_reg_live): Update signature.
9403 * sched-ebb.c (check_reg_live): Update parameters.
9404 * sched-rgn.c (check_reg_live): Ditto.
9405 (region_head_or_leaf_p): Check pointer before dereferencing.
9406 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9407 before reload on optimization levels below 1.
9409 2006-03-23 Richard Henderson <rth@redhat.com>
9411 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9415 * config/alpha/predicates.md (local_symbolic_operand): Reject
9418 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9421 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9422 expressions which have overflowed constants.
9424 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9426 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9428 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9430 * cfgloopmanip.c (create_loop_notes): Removed.
9431 * final.c (final_scan_insn): Do not handle loop notes.
9432 * jump.c (squeeze_notes): Ditto.
9433 * cfglayout.c (skip_insns_after_block,
9434 duplicate_insn_chain): Ditto.
9435 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9437 * cfgloop.h (create_loop_notes): Declaration removed.
9439 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9441 * varasm.c (output_constant_pool): Restore fnname and fndecl
9443 (assemble_start_function): Adjust call accordingly.
9444 (assemble_end_function): Likewise.
9446 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9449 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9452 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9454 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9457 * system.h (ICE_EXIT_CODE): New macro.
9458 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9459 (diagnostic_action_after_output): Likewise.
9460 * gcc.c (fatal_ice): New function.
9461 (execute): Use it instead of fatal.
9462 (fancy_abort): Likewise.
9463 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9465 2006-03-22 Jeff Law <law@redhat.com>
9467 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9468 iv_analyze_result returning false.
9470 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9472 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9474 2006-03-22 Richard Henderson <rth@redhat.com>
9477 * except.c (duplicate_eh_regions_0): New.
9478 (duplicate_eh_region_1): Duplicate the children of the node as
9479 well as the node itself. Link them up properly.
9480 (duplicate_eh_region_2): Merge into ...
9481 (duplicate_eh_regions): ... here. Take copy_region argument, and
9482 copy only a sub-tree if asked. Simplify copying and fixup.
9483 (eh_region_outer_p): New.
9484 * except.h (duplicate_eh_regions): Update decl.
9485 (eh_region_outer_p): Declare.
9486 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9487 (lower_omp_master): Likewise.
9488 (lower_omp_ordered): Likewise.
9489 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9490 (move_stmt_r): Use it to remap labels. Handle recursion vs
9491 remap_decls_p properly.
9492 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9493 (find_outermost_region_in_block): New.
9494 (new_label_mapper): New.
9495 (move_sese_region_to_fn): Copy eh information to the new function
9497 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9499 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9502 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9504 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9505 into shared libraries.
9507 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9509 * doc/md.texi: Refer to i386/constraints.md instead of
9511 * config/i386/constraints.md: New file, extracted from...
9512 * config/i386/predicates.md: ...here.
9513 * config/i386/i386.md: Include constraints.md.
9515 2006-03-21 Jason Merrill <jason@redhat.com>
9517 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9520 * expr.c (init_block_move_fn): Force default visibility.
9521 (init_block_clear_fn): Likewise.
9522 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9523 * targhooks.c (default_external_stack_protect_fail): Likewise.
9525 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9527 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9528 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9529 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9530 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9531 (loadgp): Use mips_current_loadgp_style.
9532 (loadgp_noshared): New pattern.
9533 (sibcall_internal): Use MIPS_CALL.
9534 (sibcall_value_internal): Likewise.
9535 (sibcall_value_multiple_internal): Likewise.
9536 (call_internal): Likewise.
9537 (call_value_internal): Likewise.
9538 (call_value_multiple_internal): Likewise.
9539 (call_split): Use MIPS_CALL and add an 'S' constraint.
9540 (call_value_split): Likewise.
9541 (call_value_multiple_split): Likewise.
9542 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9543 (-mshared): New option.
9544 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9545 (mips_current_loadgp_style): Declare.
9546 * config/mips/mips.c (mips_classify_symbol): Avoid using
9547 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9548 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9549 TARGET_ABSOLUTE_ABICALLS.
9550 (override_options): Adjust comments. Improve the warning that is
9551 issued when -mabicalls and -G are used together.
9552 (mips_file_start): Remove comment.
9553 (mips_current_loadgp_style): New function.
9554 (mips_gnu_local_gp): New variable.
9555 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9557 (mips_output_function_prologue): Use mips_current_laodgp_style.
9558 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9559 the cprestore instruction.
9560 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9561 live for TARGET_ABSOLUTE_ABICALLS.
9562 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9563 (ASM_SPEC): Pass down -mshared and -mno-shared.
9564 (MIPS_CALL): New macro.
9565 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9567 * doc/invoke.texi (-mabicalls): Update documentation.
9568 (-mshared): Document.
9570 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9572 * config/ia64/unwind-hpux.c: New file.
9573 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9575 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9578 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9580 2006-03-21 Jeff Law <law@redhat.com>
9582 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9583 type conversions of a VR_VARYING source to a wider type.
9585 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9587 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9588 tm_file on Solaris 10 and later.
9589 (sparc64-*-solaris2*): Likewise.
9590 (sparc-*-solaris2*): Likewise.
9591 * config/sol26.h: Rename to config/sol2-6.h.
9592 * config/sol2-10.h: New file.
9594 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9597 * tree-ssa-pre.c (create_component_ref_by_pieces):
9600 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9603 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9604 return it immediately.
9606 2006-03-21 Michael Matz <matz@suse.de>
9608 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9610 (remove_arc, add_arc): Update num_out_arcs member.
9611 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9613 (cache_presence): New function.
9614 (compare_states_for_equiv): New function.
9615 (state_is_differed): Don't take number of outargs, adjust callers.
9616 Use new invariant for speeding up.
9617 (init_equiv_class): Create initial classes based on sorted
9619 (partition_equiv_class): Don't track out_arcs_num.
9620 (evaluate_equiv_classes): Call cache_presence on all states and
9623 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9625 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9626 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9627 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9628 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9630 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9631 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9632 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9633 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9634 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9636 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9637 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9638 (REGNO_REG_CLASS): ARGP is in PREGS.
9639 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9641 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9642 to deal with those addresses.
9643 * addresses.h: New file.
9644 * caller-save.c: Include "addresses.h".
9645 (init_caller_save): Use new base_reg_class function.
9646 * rtl-factoring.c: Include "addresses.h".
9647 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9648 * recog.c: Include "addresses.h".
9649 (preprocess_constraints): Use new base_reg_class function.
9650 * regrename.c: Include "addresses.h".
9651 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9652 functions. Keep track of a new var INDEX_CODE to compute valid
9654 (replace_oldest_value_addr): Likewise.
9655 (replace_oldest_value_mem): Use base_reg_class.
9656 * reload.c: Include "addresses.h".
9657 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9658 (find_reloads): Use new base_reg_class function.
9659 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9660 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9661 all callers and prototype changed.
9662 * reload1.c: Include "addresses.h".
9663 (maybe_fix_stack_asms): Use base_reg_class.
9664 * regclass.c: Include "addresses.h".
9665 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9666 (init_reg_autoinc): Use new base_reg_class function.
9667 (record_reg_classes): Likewise.
9668 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9669 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9670 Use new args to compute necessary class.
9672 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9673 regrename.o, rtl-factoring.o): Update dependencies.
9674 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9675 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9676 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9677 REG_OK_FOR_INDEX_P): Delete documentation.
9679 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9681 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9682 from V7 to V9 for Solaris 7 and above.
9684 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9686 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9687 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9688 argument pointers may not alias any other storage.
9689 * common.opt: Define option -fargument-noalias-anything.
9690 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9691 alias semantics is specified by flag_argument_noalias > 2.
9693 2006-03-20 Jeff Law <law@redhat.com>
9695 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9696 (pass_phi_only_cprop): Declare.
9697 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9699 * tree-ssa-dom.c (degenerate_phi_result): New function.
9700 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9701 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9702 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9703 (eliminate_degenerate_phis): Likewise.
9704 (pass_phi_only_cprop): New pass descriptor.
9705 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9706 support code. Callers updated.
9707 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9708 (store_copy_prop): Likewise.
9709 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9711 2006-03-20 Jason Merrill <jason@redhat.com>
9714 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9715 (push_visibility, pop_visibility): Likewise.
9716 * c-pragma.h: Declare them.
9718 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9720 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9722 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9723 parameter and use get_ebb_head_tail.
9724 (sh_md_init_global): Adjust uses of find_regmode_weight.
9726 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9728 * function.h (struct function) <x_tail_recursion_reentry>:
9729 Rename to x_stack_check_probe_note.
9730 (tail_recursion_reentry): Rename to stack_check_probe_note.
9731 * function.c: Replace tail_recursion_reentry with
9732 stack_check_probe_note everywhere.
9733 (expand_function_start): Only emit a note for
9734 stack_check_probe_note with -fstack-protect.
9735 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9737 * emit-rtl.c (remove_unnecessary_notes): Remove.
9738 (pass_remove_unnecessary_notes): Remove.
9739 * rtl.h (remove_unnecessary_notes): Remove prototype.
9740 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9741 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9742 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9744 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9747 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9748 (valid_in_set): Handle ARRAY_REF.
9749 Change "if min_variant or VH" to asserts.
9750 (create_component_ref_by_pieces): Handle ARRAY_REF.
9751 (create_expression_by_pieces): Likewise.
9752 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9754 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9756 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9757 is operand of switch, not str[0].
9759 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9761 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9762 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9764 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9766 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9767 end of insn_extra_address_constraint declaration.
9769 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9771 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9772 (no-sum-in-toc): Same.
9773 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9775 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9776 NO_FP_IN_TOC for -fPIC instead of mask.
9778 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9779 (BOOT_LDFLAGS): Delete.
9781 * config/rs6000/t-aix52: Same.
9783 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9784 (stmsi[345678]_power): New.
9786 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9788 * config/ia64/ia64.opt: Add empty line to end of file.
9790 2006-03-17 Richard Guenther <rguenther@suse.de>
9793 * builtins.c (get_pointer_alignment): For component style references
9794 adjust alignment to the component type alignment. Make sure
9795 to adjust alignment for component access of constants.
9797 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9799 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9802 2006-03-17 Paul Brook <paul@codesourcery.com>
9804 * doc/install.texi: Docuemnt --with-mode.
9805 * config.gcc: Add --with-mode for arm*-*-*.
9806 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9808 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9810 * sh.c (max_labelno_before_reorg): New variable.
9811 (sh_reorg): Initialize it.
9812 (find_barrier): Check max_labelno_before_reorg before using
9813 label_to_alignment. Take length of explicit alignment insns
9814 into account. When seeing a UNSPECV_CONST_END, return it.
9816 * sh.c (fixup_mova): Set mode of affected label to QImode.
9817 (untangle_mova): New function.
9818 (find_barrier): Use it. Check mode of label before decrementing
9820 (sh_reorg): Likewise.
9821 Set mode of all insns back to VOIDmode.
9823 * sh.c (MOVA_LABELREF): New macro.
9824 (mova_p, fixup_mova, sh_reorg): Use it.
9825 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9826 ADDR_DIFF_VEC matches mova.
9828 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9830 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9831 with ATTRIBUTE_UNUSED.
9833 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9835 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9836 pointer, instead of assuming it is possible to derive the
9837 correct args size from a call insn.
9839 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9841 * rtl.h (CONST_INT_P): Define.
9842 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9843 instead of GET_CODE(x) == CONST_INT.
9844 (vax_rtx_costs): Likewise.
9845 (vax_output_int_move): Likewise.
9846 (vax_output_int_add): Likewise.
9847 (legitimate_constant_address_p): Likewise.
9848 (index_term_p): Likewise.
9849 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9850 * config/vax/vax.md (and<mode>3): Likewise.
9851 (ashrsi3): Likewise.
9853 (movstricthi): Likewise.
9854 (movstrictqi): Likewise.
9855 (rotrsi3): Likewise.
9856 (five unnamed insns): Likewise.
9858 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9860 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9861 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9862 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9863 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9864 Pass to ASM_OUTPUT_DWARF_OFFSET.
9865 * dwarf2out.c (debug_frame_section): New.
9866 (output_call_frame_info): Use debug_frame_section. Pass it to
9867 dw2_asm_output_offset.
9868 (output_die): Pass appropriate section to dw2_asm_output_offset.
9869 (output_compilation_unit_header): Likewise.
9870 (output_pubnames): Likewise.
9871 (output_aranges): Likewise.
9872 (enum dw_val_class): Break dw_val_class_lbl_offset into
9873 dw_val_class_lineptr and dw_val_class_macptr.
9874 (add_AT_lbl_offset): Delete.
9875 (add_AT_lineptr): New.
9876 (add_AT_macptr): New.
9877 (AT_lbl): Expect a lineptr or macptr.
9878 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9879 (attr_checksum): Likewise.
9880 (same_dw_val_p): Likewise.
9881 (size_of_die): Likewise.
9882 (value_format): Likewise.
9883 (output_die): Likewise.
9884 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9886 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9887 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9888 * config/darwin-protos.h (darwin_file_start): New.
9889 (darwin_asm_output_dwarf_offset): New.
9890 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9891 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9893 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9894 if not EH section; simplify.
9895 (darwin_file_start): New.
9896 (darwin_asm_output_dwarf_offset): New.
9897 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9899 (DEBUG_INFO_SECTION): Likewise.
9900 (DEBUG_ABBREV_SECTION): Likewise.
9901 (DEBUG_ARANGES_SECTION): Likewise.
9902 (DEBUG_MACINFO_SECTION): Likewise.
9903 (DEBUG_LINE_SECTION): Likewise.
9904 (DEBUG_LOC_SECTION): Likewise.
9905 (DEBUG_PUBNAMES_SECTION): Likewise.
9906 (DEBUG_STR_SECTION): Likewise.
9907 (DEBUG_RANGES_SECTION): Likewise.
9908 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9909 (ASM_OUTPUT_DWARF_OFFSET): New.
9911 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9913 * config.gcc (tm_defines): Always add to previous value rather
9916 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9918 * config/mips/predicates.md (splittable_const_int_operand): New,
9919 split from move_operand.
9920 (splittable_symbolic_operand): New.
9921 (move_operand): Add commentary. Use splittable_const_int_operand.
9922 Inline mips_atomic_symbolic_constant_p.
9923 * config/mips/mips.md: Add combine splitters for handling moves
9924 of splittable_const_int_operands and splittable_symbolic_operands.
9925 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9926 (mips_split_symbol): Declare.
9927 (mips_move_integer): Declare.
9928 * config/mips/mips.c (mips_split_p): Make global.
9929 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9930 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9931 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9932 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9933 (mips_offset_within_object_p): Handle block symbols.
9934 (mips_atomic_symbolic_constant_p): Delete.
9935 (mips_cannot_force_const_mem): Return false for constants that
9936 mips_legitimize_move can handle.
9937 (mips_use_blocks_for_constant_p): New function.
9938 (mips_split_symbol): Make global.
9939 (mips_move_integer): Likewise. Add a temporary register argument.
9940 (mips_legitimize_const_move): Use splittable_const_int_operand and
9941 splittable_symbolic_operand.
9942 (mips_use_anchors_for_symbol_p): New function.
9943 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9944 (mips_split_p): Declare.
9946 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9948 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9949 (mips*-*-linux*): Likewise.
9951 2006-03-16 Roger Sayle <roger@eyesopen.com>
9952 Daniel Speyer <dspeyer@wam.umd.edu>
9955 * tree-dump.c (dump_real): New function.
9956 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9957 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9958 (tree-dump.o): Add $(REAL_H) to the dependencies.
9960 2006-03-16 Roger Sayle <roger@eyesopen.com>
9963 * real.c (real_from_string): If the mantissa is zero, don't bother
9964 parsing the exponent as the result should always be zero.
9966 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9968 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9970 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9972 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9973 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9974 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9975 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9976 ia64_sched_finish_global): New static functions to implement
9977 hooks from gcc_target.sched.
9978 (spec_check_no, max_uid, pending_data_specs): New static variables.
9979 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9980 ia64_spec_check_src_p): New static functions.
9981 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9982 (TARGET_SCHED_ADJUST_COST): Removed.
9983 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9984 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9985 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9986 TARGET_SCHED_GEN_CHECK,
9987 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9988 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9989 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9990 Fixed to handle speculation checks.
9991 (rtx_needs_barrier): Fixed to handle speculative loads and
9993 (ia64_variable_issue): Added code to count speculative loads and their
9995 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9997 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9999 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10001 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10002 (ia64_reorg): Reset stops_p to NULL after it is freed.
10003 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10004 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10005 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10007 (data_speculative, control_speculative, check_load): New attributes.
10008 (mov<mode>_advanced, mov<mode>_speculative,
10009 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10010 zero_extend<mode>di2_speculative,
10011 zero_extend<mode>di2_speculative_advanced): New patterns for
10012 data and control speculative loads.
10013 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10015 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10016 New pattern for data and control speculation checks.
10017 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10018 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10019 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10020 Auxiliary definitions for the patterns.
10021 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10022 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10024 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10026 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10027 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10028 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10029 New resource constraints.
10030 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10032 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10033 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10034 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10035 msched-in-control-spec, msched-ldc, msched-control-ldc,
10036 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10037 msched-prefer-non-control-spec-insns,
10038 msched-count-spec-in-critical-path): New flags to tune speculative
10040 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10041 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10042 msched-in-control-spec, msched-ldc, msched-control-ldc,
10043 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10044 msched-prefer-non-control-spec-insns,
10045 msched-count-spec-in-critical-path): Document new flags.
10047 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10049 * target.h (struct spec_info_def): New opaque declaration.
10050 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10051 speculate_insn, needs_block_p, gen_check,
10052 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10053 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10054 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10055 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10056 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10057 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10059 (TARGET_SCHED): Use new macros.
10060 * rtl.h (copy_DEPS_LIST_list): New prototype.
10061 * sched-int.h (struct sched_info): Change signature of new_ready field,
10062 adjust all initializations. New fields: add_remove_insn,
10063 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10064 region_head_or_leaf_p.
10065 (struct spec_info_def): New structure declaration.
10066 (spec_info_t): New typedef.
10067 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10068 recovery_block, orig_pat.
10069 (glat_start, glat_end): New variables declaraions.
10070 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10072 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10073 DETACH_LIFE_INFO, USE_GLAT.
10074 (enum SPEC_SCHED_FLAGS): New enumeration.
10075 (NOTE_NOTE_BB_P): New macro.
10076 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10077 attach_life_info, debug_spec_status, check_reg_live): New functions.
10078 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10079 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10081 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10082 * ddg.c (get_block_head_tail): Adjust all uses.
10083 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10084 (sms_sched_info): Initialize new fields.
10085 (contributes_to_priority): Removed.
10086 * haifa-sched.c (params.h): New include.
10087 (get_block_head_tail): Adjust all uses.
10088 (ISSUE_POINTS): New macro.
10089 (glat_start, glat_end): New global variables.
10090 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10091 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10092 old_last_basic_block, before_recovery, current_sched_info_var,
10093 rgn_n_insns, luid): New static variables.
10094 (insn_cost1): New function. Move logic from insn_cost to here.
10095 (find_insn_reg_weight1): New function. Move logic from
10096 find_insn_reg_weight to here.
10097 (reemit_notes, move_insn, max_issue): Change signature.
10098 (move_insn1): Removed.
10099 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10100 extend_bb): New static functions to support extension of scheduler's
10102 (generate_recovery_code, process_insn_depend_be_in_spec,
10103 begin_speculative_block, add_to_speculative_block,
10104 init_before_recovery, create_recovery_block, create_check_block_twin,
10105 fix_recovery_deps): New static functions to support
10106 generation of recovery code.
10107 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10108 restore_bb_notes, move_block_after_check, move_succs): New static
10109 functions to support ebb scheduling.
10110 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10111 functions to support handling of register live information.
10112 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10113 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10114 add_jump_dependencies): New static functions.
10115 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10116 consistancy checking.
10117 (debug_spec_status): New function to call from debugger.
10118 (priority): Added code to handle speculation checks.
10119 (rank_for_schedule): Added code to distinguish speculative instructions.
10120 (schedule_insn): Added code to handle speculation checks.
10121 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10122 Fixed to handle ebbs.
10123 (move_insn): Added code to handle ebb scheduling.
10124 (max_issue): Added code to use ISSUE_POINTS of instructions.
10125 (choose_ready): Added code to choose between speculative and
10126 non-speculative instructions.
10127 (schedule_block): Added code to handle ebb scheduling and scheduling of
10128 speculative instructions.
10129 (sched_init): Initialize new variables.
10130 (sched_finish): Free new variables. Print statistics.
10131 (try_ready): Added code to handle speculative instructions.
10132 * lists.c (copy_DEPS_LIST_list): New function.
10133 * sched-deps.c (extend_dependency_caches): New function. Move logic
10134 from create_dependency_caches to here.
10135 (get_dep_weak, ds_merge): Make global.
10136 * genattr.c (main): Code to output prototype for
10137 dfa_clear_single_insn_cache.
10138 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10139 (output_dfa_clean_insn_cache_func): Code to output
10140 dfa_clear_single_insn_cache function.
10141 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10143 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10145 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10146 New static variables.
10147 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10148 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10150 (ebb_sched_info): Initialize new fields.
10151 (get_block_head_tail): Adjust all uses.
10152 (compute_jump_reg_dependencies): Fixed to use glat_start.
10153 (schedule_ebb): Code to remove unreachable last block.
10154 (schedule_ebbs): Added code to update register live information.
10155 * sched-rgn.c (region_sched_info): Initialize new fields.
10156 (get_block_head_tail): Adjust all uses.
10157 (last_was_jump): Removed. Adjust users.
10158 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10159 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10160 Implement new hooks.
10161 (check_dead_notes1): New static function.
10162 (struct region): New fields: dont_calc_deps, has_real_ebb.
10163 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10164 (BB_TO_BLOCK): Fixed to handle EBBs.
10165 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10166 (ebb_head): New static variable.
10167 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10168 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10170 (compute_dom_prob_ps): New assertion.
10171 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10172 global_live_at_start.
10173 (init_ready_list): New assertions.
10174 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10175 (new_ready): Add support for BEGIN_CONTROL speculation.
10176 (schedule_insns): Fixed code that updates register live information
10178 (schedule_region): Fixed to handle EBBs.
10179 (init_regions): Use extend_regions and check_dead_notes1.
10180 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10181 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10182 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10183 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10184 TARGET_SCHED_GEN_CHECK,
10185 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10186 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10187 * doc/invoke.texi (max-sched-insn-conflict-delay,
10188 sched-spec-prob-cutoff): Document.
10190 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10192 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10193 inter_tick, queue_index.
10194 (struct sched_info): Change signature of init_ready_list field.
10195 Adjust all initializations.
10196 (RESOLVED_DEPS): New access macro.
10197 (ready_add): Remove prototype.
10198 (try_ready): Add prototype.
10199 * sched-rgn.c (init_ready_list): Use try_ready.
10200 (schedule_region): Initialize
10201 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10202 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10203 (init_ready_list): Use try_ready.
10204 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10205 * lists.c (remove_list_elem): Remove `static'.
10206 (remove_free_INSN_LIST_elem): New function.
10207 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10208 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10209 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10211 (readyp): New variable.
10212 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10213 change_queue_index, resolve_dep): New static functions.
10214 (try_ready): New function. Adjust callers in sched-rgn.c and
10215 sched-ebb.c to use it instead of ready_add.
10216 (clock_var): Move at the begining of file.
10217 (rank_for_schedule): Fix typo.
10218 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10219 (ready_lastpos): Enforce assertion.
10220 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10221 update all callers.
10222 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10223 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10224 (queue_to_ready): Use free_INSN_LIST_list.
10225 (early_queue_to_ready): Fix typo.
10226 (schedule_block): Init readyp. Move init_ready_list call after the
10227 initialization of clock_var. Fix error in rejecting insn by
10228 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10229 that previously corrected INSN_TICKs. Add code for handling
10231 (set_priorities): Fix typo.
10232 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10233 Clarify comment and code that keeps current_sched_info->next_tail
10236 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10238 * sched-rgn.c (extend_rgns): New static function.
10239 (find_rgns): Use it.
10240 (gather_region_statistics, print_region_statistics): New static
10242 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10243 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10245 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10246 Andrey Belevantsev <abel@ispras.ru>
10248 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10249 * lists.c (unused_deps_list): New variable.
10250 (free_list): Add assertions to verify the proper distinguishing
10251 between INSN_LISTs and DEPS_LISTs.
10252 (find_list_elem, remove_list_elem, remove_list_node): New static
10254 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10255 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10256 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10257 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10259 (free_INSN_LIST_node): Likewise.
10260 * modulo-sched.c (current_sched_info): Initialize flags field.
10261 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10262 * rtl.def (DEPS_LIST): Define.
10263 * rtl.h: Declare new functions from lists.c.
10264 * sched-deps.c (spec_dependency_cache): New static variable.
10265 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10266 (add_dependence): Change return type to void. Move the logic to ...
10267 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10268 (delete_all_dependences): Add comment about forward_dependency_cache.
10269 Handle spec_dependency_cache. Handle DEPS_LISTs.
10270 (fixup_sched_groups): Clarify the change of priority of output
10271 and anti dependencies.
10272 (sched_analyze_2): Adjust add_dependence calls to create data
10273 speculative dependence.
10274 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10275 Adjust all callers. Handle DEPS_LISTS.
10276 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10277 presence of speculation.
10278 (init_dependency_caches, free_dependency_caches):
10279 Handle spec_dependency_cache.
10280 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10281 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10282 New static functions.
10283 (add_or_update_back_dep, add_or_update_back_forw_dep,
10284 add_back_forw_dep, delete_back_forw_dep): New functions.
10285 * sched-int.h (ds_t, dw_t): New typedefs.
10286 (struct sched_info): Add new field flags.
10287 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10288 Prototype new sched-deps.c functions.
10289 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10290 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10291 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10292 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10293 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10294 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10296 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10298 * sched-rgn.c (current_sched_info): Initialize flags field.
10299 (schedule_insns): Initialize current_sched_info before the sched_init
10301 * sched-ebb.c (current_sched_info): Initialize flags field.
10302 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10303 Call add_or_update_back_dep instead of add_dependence.
10304 Create control speculative dependencies.
10305 (schedule_insns): Initialize current_sched_info before the sched_init
10308 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10310 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10312 (sh_fallback_frame_state): Likewise.
10314 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10316 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10317 Do switch on default_use_cxa_atexit.
10318 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10319 * config/darwin-crt3.o: New.
10320 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10321 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10322 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10324 * config/rs6000/t-darwin: Move crt2.o building to here.
10325 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10326 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10329 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10331 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10332 from '! xxx' to '!xxx' for coding-style conformance.
10333 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10334 (EXTRA_CONSTRAINT): Likewise.
10335 * config/vax/vax.md (four unnamed insns): Likewise.
10337 2006-03-15 Paul Brook <paul@codesourcery.com>
10339 * config/arm/arm.c (minipool_pad): New.
10340 (add_minipool_forward_ref): Include pool alignment padding in address
10342 (push_minipool_fix): Set minipool_pad.
10343 (minipool_pad): Ditto.
10345 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10347 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10348 instead of GET_CODE() == MEM and REG_P() instead of
10350 (print_operand_address): Likewise.
10351 (vax_address_cost): Likewise.
10352 (vax_rtx_costs): Likewise.
10353 (vax_notice_update_cc): Likewise.
10354 (vax_output_int_add): Likewise.
10355 (INDEX_REGISTER_P): Likewise.
10356 (BASE_REGISTER_P): Likewise.
10357 (nonindexed_address_p): Likewise.
10358 (vax_mode_dependent_address_p): Likewise.
10359 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10360 (PRINT_OPERAND): Likewise.
10361 * config/vax/vax.md (ashlsi3): Likewise.
10362 (ashlsi3): Likewise.
10363 (some more unnamed insns): Likewise.
10365 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10367 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10368 iterator-style macro.
10369 (mark_control_dependent_edges_necessary): Update the use of
10370 EXECUTE_IF_CONTROL_DEPENDENT.
10372 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10374 * config/sh/predicates.md (cache_address_operand): Special.
10375 (ua_address_operand): Likewise.
10377 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10379 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10381 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10383 2006-03-15 Andreas Schwab <schwab@suse.de>
10385 * gensupport.c (identify_predicable_attribute): Don't free p_false
10386 when it is still in use.
10388 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10390 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10391 the default setting here.
10393 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10395 * tree-pass.h (pass_cfg): Remove.
10396 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10397 * passes.c (pass_cfg): Don't run it.
10399 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10401 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10402 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10404 (stack_regs_mentioned): Update the uses of
10405 stack_regs_mentioned_data. Don't access the array beyond its
10407 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10408 Don't include gt-reg-stack.h.
10410 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10411 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10413 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10415 PR middle-end/26684
10416 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10419 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10421 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10423 2006-03-14 Richard Guenther <rguenther@suse.de>
10425 PR tree-optimization/26672
10426 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10429 2006-03-14 Richard Guenther <rguenther@suse.de>
10431 PR tree-optimization/26667
10432 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10433 node for the callees. Always allow inlining if it will shrink
10436 2006-03-14 Richard Guenther <rguenther@suse.de>
10438 PR middle-end/26659
10439 * builtins.c (get_pointer_alignment): Prefer alignment
10440 information from decls over that from types.
10442 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10445 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10447 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10449 * config/rs6000/rs6000.opt (mdlmzb): New option.
10450 (msched-prolog, msched-epilog): Use Var not Mask.
10451 * doc/invoke.texi (-mdlmzb): Document.
10452 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10454 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10455 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10457 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10459 PR rtl-optimization/25739
10460 * bt-load.c (augment_live_range): Free tos pointer.
10462 * gensupport.c (identify_predicable_attribute): Free
10464 * gcov.c (create_file_names): Free name pointer.
10466 2006-03-13 Roger Sayle <roger@eyesopen.com>
10468 PR middle-end/26557
10469 * stmt.c (emit_case_nodes): Handle the case where the index is a
10470 CONST_INT, where the comparison mode is specified by the index type.
10472 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10474 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10477 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10479 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10480 (*branch_fp_inverted): Likewise.
10482 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10484 PR middle-end/25989
10485 * omp-low.c (expand_omp_for_generic): Mark istart0
10486 and iend0 as addressable.
10488 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10490 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10492 2006-03-13 Jeff Law <law@redhat.com>
10494 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10495 virtual operands are interesting.
10496 (vrp_visit_stmt): Corresponding changes.
10498 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10500 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10502 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10503 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10504 * config/bfin/crti.S: Use it instead of __PIC__.
10505 * config/bfin/crtn.S: Likewise.
10507 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10508 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10510 Lose 'G' modifier for call operand.
10511 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10512 recognize 'G' modifier.
10514 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10516 PR middle-end/18859
10517 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10518 * stmt.c (expand_case): Likewise.
10520 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10522 PR rtl-optimization/26254
10523 * loop-invariant.c (seq_insns_valid_p): New function.
10524 (move_invariant_reg): Only emit new code if it is valid.
10526 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10528 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10530 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10531 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10532 (commit_one_edge_insertion): Do not look for loop notes.
10534 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10536 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10537 flag_test_coverage out of loop.
10539 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10541 * final.c (shorten_branches): Remove outdated comment, and turn
10542 the if branch that guards it to continue.
10544 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10546 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10547 * cfgloop.h (struct loop): Remove unused fields.
10549 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10551 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10552 (-dL, -fdump-rtl-loop2): Update the dump file names
10554 * doc/invoke.texi: Update dump file names.
10556 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10558 * predict.c (estimate_probability): Remove.
10559 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10560 * basic-block.h (estimate_probability): Remove prototype.
10561 * passes.c (finish_optimization_passes): Dump branch prediction or
10562 profiling heuristics to the .profile tree dump.
10563 (init_optimization_passes): Unqueue pass_branch_prob.
10565 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10567 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10569 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10570 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10572 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10574 * function.h (frame_offset_overflow): Declare.
10575 * function.c (frame_offset_overflow): New function.
10576 (assign_stack_local_1): Call it to detect that the offset overflows.
10577 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10579 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10581 * config/sh/sh.c: Include alloc-pool.h.
10582 (label_ref_list_pool): New alloc pool.
10583 (label_ref_list_t): New type for lists of labels.
10584 (struct pool_node): Make wend a label_ref_list_t.
10585 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10587 (dump_table): Likewise.
10588 (sh_reorg): Set up the alloc pool before using add_constant and
10589 dump_table, and destroy it when finishing.
10591 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10593 * config/mips/mips.c: Remove redundant comment.
10595 2006-03-10 Jason Merrill <jason@redhat.com>
10598 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10599 the target was declared 'register'.
10601 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10603 * genpreds.c (write_insn_constraint_len): Change definition of
10604 insn_constraint_len to return size_t to match the declaration.
10606 2006-03-10 DJ Delorie <dj@redhat.com>
10608 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10610 (m32c_expand_insv): Fix test for an AND mask.
10612 2006-03-10 Richard Guenther <rguenther@suse.de>
10614 PR middle-end/26565
10615 * builtins.c (get_pointer_alignment): Handle component
10616 references for field alignment.
10618 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10620 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10621 when building with libgloss.
10622 (sh*elf): Implement --without-fp option.
10623 (sh64-superh-linux*): Don't multilib.
10625 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10627 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10629 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10631 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10632 Set it when one of the replacement functions returned true.
10633 Return TODO_cleanup_cfg if cfgchanged is true.
10634 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10636 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10638 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10639 instead of gen_lowpart.
10641 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10643 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10645 (mips_output_order_conditional_branch): Declare.
10646 * config/mips/mips.h (MIPS_BRANCH): New macro.
10647 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10648 for the comparison. Use gen_condjump.
10649 (mips_output_conditional_branch): Rework interface to take the
10650 asm templates for a direct branch and the inverse of a direct branch.
10651 (mips_output_order_conditional_branch): New function.
10652 (mips_builtin_branch_and_move): New function.
10653 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10654 branch condition. Use gen_single_cc as the condition for
10655 __builtin_mips_upper_* or __builtin_mips_lower_*.
10656 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10657 Use VOIDmode for the branch condition.
10658 * config/mips/predicates.md (order_operator): New predicate.
10659 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10660 (branch_fp): Rename to...
10661 (*branch_fp): ...this. Remove mode from comparison operator.
10662 Use new mips_output_conditional_branch interface.
10663 (branch_fp_inverted): Rename to...
10664 (*branch_fp_inverted): ...this and update as for *branch_fp.
10665 (*branch_zero<mode>): Rename to...
10666 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10667 Use mips_output_order_conditional_branch. Only accept ordered
10669 (*branch_zero<mode>_inverted): Rename to...
10670 (*branch_order<mode>_inverted): ...this and update as for
10671 *branch_order<mode>.
10672 (*branch_equality<mode>): Accept zero as the second operand to
10673 the equality operator. Use the new mips_output_conditional_branch
10675 (*branch_equality<mode>_inverted): Likewise.
10676 (condjump): New expander.
10677 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10679 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10680 (bc1any2t, bc1any2f): Likewise.
10681 (single_cc): New expander.
10682 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10684 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10686 * doc/md.texi: Update documentation of MIPS constraints.
10687 * config/mips/constraints.md: New file.
10688 * config/mips/mips.md: Include it.
10689 * config/mips/mips.c (mips_char_to_class): Delete.
10690 (override_options): Don't initialize mips_char_to_class.
10691 * config/mips/mips.h (mips_char_to_class): Delete.
10692 (REG_CLASS_FROM_LETTER): Delete.
10693 (CONST_OK_FOR_LETTER_P): Delete.
10694 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10695 (EXTRA_CONSTRAINT_Y): Delete.
10696 (EXTRA_CONSTRAINT_STR): Delete.
10697 (CONSTRAINT_LEN): Delete.
10698 (EXTRA_MEMORY_CONSTRAINT): Delete.
10700 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10702 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10703 original fn's eh regions.
10705 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10707 * fold-const.c (build_range_check): Make sure to use a valid type to
10708 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10711 (range_predecessor): New static function.
10712 (range_successor): Likewise.
10713 (merge_ranges): Use them to compute predecessors and successors of
10716 2006-03-09 Roger Sayle <roger@eyesopen.com>
10718 PR middle-end/26561
10719 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10720 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10722 2006-03-08 DJ Delorie <dj@redhat.com>
10724 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10725 (addpsi3): Expand to include memory operands. Remove
10726 reload-specific splits.
10727 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10728 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10729 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10730 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10731 (shift1_qi, shift1_hi, insv): New.
10732 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10733 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10734 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10736 * config/m32c/m32c-protos.h: Update as needed.
10737 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10738 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10739 Fail for unrecognized R* constraints.
10740 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10741 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10742 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10744 (m32c_init_libfuncs): New.
10745 (m32c_legitimate_address_p): Add debug wrapper.
10746 (m32c_rtx_costs): New.
10747 (m32c_address_cost): New.
10748 (conversions): Add 'B' prefix.
10749 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10750 operands, or word regnames for QI operands. 'B' prints bit
10752 (m32c_expand_setmemhi): New.
10753 (m32c_expand_movmemhi): New.
10754 (m32c_expand_movstr): New.
10755 (m32c_expand_cmpstr): New.
10756 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10757 (m32c_expand_neg_mulpsi3): Handle non-ints.
10758 (m32c_cmp_flg_0): New.
10759 (m32c_expand_movcc): New.
10760 (m32c_expand_insv): New.
10761 (m32c_scc_pattern): New.
10762 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10763 a0/a1 out of SIregs.
10764 (STORE_FLAG_VALUE): New.
10765 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10768 * config/m32c/mov.md: Make constraints more liberal.
10769 (zero_extendqihi2): Optimize r0/r1 case.
10770 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10771 * config/m32c/predicates.md (m32c_any_operand): New.
10772 (m32c_nonimmediate_operand): New.
10773 (m32c_hl_operand): New.
10774 (m32c_r3_operand): New.
10777 (memsym_operand): New.
10778 (memimmed_operand): New.
10779 (a_qi_operand): New.
10780 (m32c_eqne_operator): New.
10781 (m32c_1bit8_operand): New.
10782 (m32c_1bit16_operand): New.
10783 (m32c_1mask8_operand): New.
10784 (m32c_1mask16_operand): New.
10785 * config/m32c/blkmov.md: New file.
10786 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10788 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10790 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10791 unsigned to fix signed/unsigned comparison issue in
10792 DWARF2_FRAME_REG_OUT.
10793 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10794 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10796 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10797 of ptr into the ENABLE_CHECKING section.
10799 2006-03-08 Jeff Law <law@redhat.com>
10801 * tree-vrp.c (infer_value_range): Only count pointer uses
10802 and dereferences if -fdelete-null-pointer-checks is enabled.
10804 * tree-vrp.c (find_assert_locations): Infer value ranges for
10805 single use pointers, but do not create ASSERT_EXPRs for them.
10806 When a non-null range is inferred for a pointer, backwards
10807 propagate that range to other equivalent pointers through the
10810 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10813 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10814 language hook targets.
10815 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10816 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10817 if language hook targets were missing.
10819 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10821 * tree-ssa-opfinalize.h: Removed.
10822 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10824 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10825 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10826 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10827 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10828 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10829 finalize_ssa_v_must_def_ops): New.
10831 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10833 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10834 block as parameter.
10836 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10838 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10840 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10841 addresses with offsets; reorganize.
10843 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10844 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10845 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10847 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10850 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10852 2006-03-08 Ben Elliston <bje@au.ibm.com>
10854 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10856 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10859 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10862 2006-03-07 Richard Guenther <rguenther@suse.de>
10864 PR tree-optimization/26587
10865 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10867 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10869 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10871 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10873 * hooks.c (hook_bool_mode_rtx_true): New function.
10874 * hooks.h (hook_bool_mode_rtx_true): Declare.
10875 * toplev.c (compile_file): Call output_shared_constant_pool.
10876 * varasm.c (shared_constant_pool): New variable.
10877 (assemble_start_function, assemble_end_function): Remove arguments
10878 from call to output_constant_pool.
10879 (create_constant_pool): New function, split out from...
10880 (init_varasm_status): ...here.
10881 (force_const_mem): Choose between the shared and per-function constant
10882 pools. Set current_function_uses_const_pool when reusing old entries
10883 as well as when creating new ones.
10884 (mark_constant): Ignore data argument.
10885 (mark_constants): Remove pool argument.
10886 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10887 to decide whether the function uses a constant pool.
10888 (output_constant_pool_contents): New function, split out from...
10889 (output_constant_pool): ...here.
10890 (output_shared_constant_pool): New function.
10891 (init_varasm_once): Initialize shared_constant_pool.
10892 * output.h (output_constant_pool): Delete.
10893 (output_shared_constant_pool): Declare.
10894 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10895 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10897 2006-03-06 Nick Clifton <nickc@redhat.com>
10899 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10900 flag_strength_reduce.
10902 2006-03-06 Ben Elliston <bje@au.ibm.com>
10904 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10905 x86_64-*-linux* configurations.
10907 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10908 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10910 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10912 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10914 * basic-block.h: Remove the extern for
10915 rediscover_loops_after_threading.
10917 * cfgloop.c (cancel_loop): Make it static.
10918 * cfgloop.h: Remove the prototype for cancel_loop.
10920 * flow.c (recompute_reg_usage): Make it static.
10921 * rtl.h: Remove the prototype for recompute_reg_usage.
10923 * function.c (use_return_register): Make it static.
10924 * function.h: Remove the prototype.
10926 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10928 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10930 * recog.h: Remove the prototype for
10931 validate_change_maybe_volatile.
10933 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10935 * rtlanal.c (replace_reg): Remove.
10936 * rtl.h: Remove the prototype for replace_reg.
10938 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10940 * regclass.c (reg_scan_update): Remove.
10941 (reg_scan_mark_refs): Remove the last argument.
10942 * rtl.h: Remove the prototype for reg_scan_update.
10944 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10946 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10947 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10948 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10949 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10950 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10951 loop-invariant.c, omp-low.c, opts.c, passes.c,
10952 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10953 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10954 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10955 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10956 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10957 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10959 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10961 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10962 * dwarf2out.h: Remove the prototype for
10963 dwarf2out_add_library_unit_info.
10965 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10967 * tree.c (add_var_to_bind_expr): Remove.
10968 * tree.h: Remove the prototype for add_var_to_bind_expr.
10970 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10972 * regclass.c (n_non_fixed_regs): Remove.
10973 (init_reg_sets_1, globalize_reg): Remove all uses of
10975 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10977 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10979 * rtlanal.c (insns_safe_to_move_p): Remove.
10980 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10982 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10984 * expmed.c (expand_mult_add): Remove.
10985 * expr.h: Remove the prototype for expand_mult_add.
10987 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10989 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10990 and REG_SAVED_VAL_EXP constants.
10991 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10992 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10993 Handle regs stored by value.
10994 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10995 (execute_cfa_program): Handle DW_CFA_val_offset,
10996 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10997 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10998 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10999 (uw_install_context_1): Handle target regs stored by value.
11001 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11003 * tree-sra.c (tree_sra): Return todoflags;
11004 (generate_one_element): Set TODO_update_smt_usage if needed.
11005 (pass_sra): Remove TODO_update_smt_usage.
11006 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11008 (tree_ssa_forward_propagate_single_use_vars): Return
11009 TODO_update_smt_usage if we need to update SMT usage.
11010 (pass_forwprop): Remove TODO_update_smt_usage.
11012 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11014 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11015 (correct_use_link): Remove reference to get_stmt_operands.
11016 (update_stmt_operands): Likewise.
11017 (get_modify_expr_operands): New function factored out of
11018 parse_ssa_operands and get_expr_operands.
11019 Try to create V_MUST_DEFs for LHS by default.
11020 (get_expr_operands) <case MODIFY_EXPR>: Call
11021 get_modify_expr_operands.
11022 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11023 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11024 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11025 get_modify_expr_operands.
11027 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11029 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11030 * tree-flow.h: Remove the prototype for
11031 referenced_var_lookup_if_exists.
11033 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11035 PR rtl-optimization/26345
11037 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11039 2006-03-03 Roger Sayle <roger@eyesopen.com>
11041 PR tree-optimization/26524
11042 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11043 fold_convert to create a constant of the appropriate type.
11045 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11047 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11048 SYMBOL_REF_IN_BLOCK_P.
11049 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11050 of SYMBOL_FLAG_IN_BLOCK.
11051 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11052 instead of SYMBOL_REF_IN_BLOCK_P.
11053 * explow.c (use_anchored_address): Likewise.
11054 * rtl.c (rtx_size): Likewise.
11055 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11056 instead of SYMBOL_FLAG_IN_BLOCK.
11057 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11058 SYMBOL_REF_IN_BLOCK_P.
11059 (assemble_variable): Likewise.
11060 (output_constant_def_contents): Likewise.
11061 (output_constant_pool): Likewise.
11062 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11063 instead of SYMBOL_FLAG_IN_BLOCK.
11064 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11065 SYMBOL_REF_IN_BLOCK_P.
11066 (SYMBOL_REF_BLOCK): Likewise.
11067 (SYMBOL_REF_OFFSET): Likewise.
11068 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11069 SYMBOL_REF_IN_BLOCK_P.
11070 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11071 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11072 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11073 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11075 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11077 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11079 2006-03-02 Roger Sayle <roger@eyesopen.com>
11081 * simplify-rtx.c (simplify_unary_operation): When simplifying
11082 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11083 that we perform the right shift in the appropriate mode, and
11084 then extend or truncate the result to requested mode.
11086 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11088 * gengtype.c (main): Handle double_int type.
11089 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11090 * double-int.c: New file.
11091 * double-int.h: New file.
11092 * system.h: Include doubleint.h.
11093 * Makefile.in (SYSTEM_H): Include double-int.h.
11094 (double-int.o): Add.
11096 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11099 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11102 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11104 * tree-vrp.c (remove_range_assertions): Do not update statements
11107 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11109 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11111 * gcse.c (rest_of_handle_gcse): Ditto.
11112 * except.c (gate_handle_eh): Ditto.
11113 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11114 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11116 2006-03-02 Eric Christopher <echristo@apple.com>
11118 * config/i386/i386.c (machopic_output_stub): Add indirection to
11121 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11125 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11127 Sun Niagara specific optimizations.
11128 * config.gcc: Recognize niagara as target.
11129 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11130 (TARGET_CPU_niagara): Define.
11131 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11132 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11133 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11134 (ASM_CPU_SPEC): Likewise.
11135 (PROCESSOR_NIAGARA): New enum entry.
11136 (REGISTER_MOVE_COST): Handle Niagara.
11137 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11138 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11139 (sparc_override_options): Recognize "niagara", set appropriate
11140 default MASK_* values for it, and align functions to 32-bytes
11141 by default just like ULTRASPARC/ULTRASPARC3.
11142 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11143 (sparc64_initialize_trampoline): Likewise.
11144 (sparc_use_sched_lookahead): Use zero for niagara.
11145 (sparc_issue_rate): Use one for niagara.
11146 * config/sparc/niagara.md: New file.
11147 * config/sparc/sparc.md: Include it.
11148 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11149 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11150 when default cpu is niagara.
11151 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11152 (ASM_CPU_SPEC): Likewise.
11153 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11154 when default cpu is niagara.
11155 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11156 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11157 just like v9/ultrasparc/ultrasparc3.
11158 * doc/invoke.texi: Add documentation for "niagara" and improve
11159 existing documentation for ultrasparc variants.
11161 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11163 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11165 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11167 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11168 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11169 and say that only one is needed.
11170 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11171 * target.h (have_switchable_bss_sections): New hook.
11172 * explow.c (use_anchored_address): Check that the symbol is in a block.
11173 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11174 (bss_noswitch_section): New variables.
11175 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11176 (get_noswitch_section): New function.
11177 (get_block_for_section): Allow SECT to be null.
11178 (unlikely_text_section_p): Use SECTION_STYLE.
11179 (bss_initializer_p): New function.
11180 (get_variable_section): Move earlier in file. Take a new argument,
11181 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11182 Return one of the new *_sections in such cases.
11183 (get_block_for_decl): New function, extracting some logic from
11184 use_blocks_for_decl_p.
11185 (change_symbol_section): Remove in favor of...
11186 (change_symbol_block): ...this new function.
11187 (use_blocks_for_decl_p): Remove checks now performed by
11188 get_block_for_decl.
11189 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11190 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11191 (emit_local, emit_bss, emit_common): ...these new functions.
11192 Return true if the alignment was honored.
11193 (emit_tls_common): New function.
11194 (asm_emit_uninitialised): Delete.
11195 (assemble_variable_noswitch): New function, split out from...
11196 (assemble_variable): ...here. Don't make decisions about common
11197 variables here. Globalize all public decls that go into non-common
11198 sections. Check whether SYMBOL_REF_BLOCK is null.
11199 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11200 (output_constant_pool): Likewise.
11201 (init_varasm_once): Initialize the new section variables.
11202 (have_global_bss_p): New function.
11203 (categorize_decl_for_section): Use bss_initializer_p.
11204 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11205 (place_block_symbol): Assert that the symbol must be in a block.
11206 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11207 (TARGET_INITIALIZER): Include it.
11208 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11209 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11210 (SECTION_MACH_DEP): Bump by two.
11211 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11212 (unnamed_section): Mention SECTION_UNNAMED in comment.
11213 (named_section): Likewise SECTION_NAMED.
11214 (noswitch_section_callback): New type.
11215 (noswitch_section): New structure.
11216 (section): Add a noswitch_section alternative.
11217 (SECTION_STYLE): New macro.
11218 (tls_comm_section, comm_section, lcomm_section): Declare.
11219 (bss_noswitch_section, have_global_bss_p): Declare.
11220 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11221 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11223 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11224 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11227 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11229 * tree-vrp.c (execute_vrp): Return value.
11230 * regrename.c (rest_of_handle_regrename): Ditto.
11231 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11232 * tree-complex.c (tree_lower_complex): Ditto.
11233 (tree_lower_complex_O0): Ditto.
11234 * tracer.c (rest_of_handle_tracer): Ditto.
11235 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11236 * postreload.c (rest_of_handle_postreload): Ditto.
11237 * tree-tailcall.c (execute_tail_recursion): Ditto.
11238 (execute_tail_calls): Ditto.
11239 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11240 * tree.h (init_function_for_compilation): Ditto.
11241 * ipa-cp.c (ipcp_driver): Ditto.
11242 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11243 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11244 * final.c (compute_alignments): Ditto.
11245 (rest_of_handle_final): Ditto.
11246 (rest_of_handle_shorten_branches): Ditto.
11247 (rest_of_clean_state): Ditto.
11248 * omp-low.c (execute_expand_omp): Ditto.
11249 (execute_lower_omp): Ditto.
11250 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11251 * ipa-reference.c (static_execute): Ditto.
11252 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11253 * reorg.c (rest_of_handle_delay_slots): Ditto.
11254 (rest_of_handle_machine_reorg): Ditto.
11255 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11256 * flow.c (recompute_reg_usage): Ditto.
11257 (rest_of_handle_remove_death_notes): Ditto.
11258 (rest_of_handle_life): Ditto.
11259 (rest_of_handle_flow2): Ditto.
11260 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11261 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11262 (do_ssa_store_ccp): Ditto.
11263 (execute_fold_all_builtins): Ditto.
11264 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11265 * modulo-sched.c (rest_of_handle_sms): Ditto.
11266 * ipa-pure-const.c (static_execute): Ditto.
11267 * cse.c (rest_of_handle_cse): Ditto.
11268 (rest_of_handle_cse2): Ditto.
11269 * web.c (rest_of_handle_web): Ditto.
11270 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11271 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11272 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11273 * tree-nrv.c (tree_nrv): Ditto.
11274 (execute_return_slot_opt): Ditto.
11275 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11276 (create_structure_vars): Ditto.
11277 * loop-init.c (rtl_loop_init): Ditto.
11278 (rtl_loop_done): Ditto.
11279 (rtl_move_loop_invariants): Ditto.
11280 (rtl_unswitch): Ditto.
11281 (rtl_unroll_and_peel_loops): Ditto.
11282 (rtl_doloop): Ditto.
11283 * gimple-low.c (lower_function_body): Ditto.
11284 (mark_used_blocks): Ditto.
11285 * tree-ssa-sink.c (execute_sink_code): Ditto.
11286 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11287 (cgraph_early_inlining): Ditto.
11288 * global.c (rest_of_handle_global_alloc): Ditto.
11289 * jump.c (cleanup_barriers): Ditto.
11290 (purge_line_number_notes): Ditto.
11291 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11292 (rest_of_handle_if_after_reload): Ditto.
11293 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11294 (tree_ssa_loop_im): Ditto.
11295 (tree_ssa_loop_unswitch): Ditto.
11296 (tree_vectorize): Ditto.
11297 (tree_linear_transform): Ditto.
11298 (tree_ssa_loop_ivcanon): Ditto.
11299 (tree_ssa_empty_loop): Ditto.
11300 (tree_ssa_loop_bounds): Ditto.
11301 (tree_complete_unroll): Ditto.
11302 (tree_ssa_loop_prefetch): Ditto.
11303 (tree_ssa_loop_ivopts): Ditto.
11304 (tree_ssa_loop_done): Ditto.
11305 * predict.c (tree_estimate_probability): Ditto.
11306 * recog.c (split_all_insns_noflow): Ditto.
11307 (rest_of_handle_peephole2): Ditto.
11308 (rest_of_handle_split_all_insns): Ditto.
11309 * tree-eh.c (lower_eh_constructs): Ditto.
11310 * regmove.c (rest_of_handle_regmove): Ditto.
11311 (rest_of_handle_stack_adjustments): Ditto.
11312 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11313 * function.c (instantiate_virtual_regs): Ditto.
11314 (init_function_for_compilation): Ditto.
11315 (rest_of_handle_check_leaf_regs): Ditto.
11316 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11317 (rest_of_handle_gcse): Ditto.
11318 * ipa-type-escape.c (type_escape_execute): Ditto.
11319 * alias.c (rest_of_handle_cfg): Ditto.
11320 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11321 * profile.c (rest_of_handle_branch_prob): Ditto.
11322 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11323 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11324 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11325 * tree-dfa.c (find_referenced_vars): Ditto.
11326 * except.c (set_nothrow_function_flags): Ditto.
11327 (convert_to_eh_region_ranges): Ditto.
11328 (rest_of_handle_eh): Ditto.
11329 * emit-rtl.c (unshare_all_rtl): Ditto.
11330 (remove_unnecessary_notes): Ditto.
11331 * except.h (set_nothrow_function_flags): Ditto.
11332 (convert_to_eh_region_ranges): Ditto.
11333 * cfgexpand.c (tree_expand_cfg): Ditto.
11334 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11335 * tree-ssa-pre.c (do_pre): Ditto.
11336 (execute_fre): Ditto.
11337 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11338 (rest_of_handle_jump2): Ditto.
11339 * tree-sra.c (tree_sra): Ditto.
11340 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11341 (execute_mudflap_function_decls): Ditto.
11342 * tree-ssa-copy.c (do_copy_prop): Ditto.
11343 (do_store_copy_prop): Ditto.
11344 * ipa-prop.h (ipcp_driver): Ditto.
11345 * cfglayout.c (insn_locators_initialize): Ditto.
11346 * tree-ssa-forwprop.c
11347 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11348 * cfglayout.h (insn_locators_initialize): Ditto.
11349 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11350 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11351 (execute_late_warn_uninitialized): Ditto.
11352 * rtl.h (cleanup_barriers): Ditto.
11353 (split_all_insns_noflow): Ditto.
11354 (purge_line_number_notes): Ditto.
11355 (unshare_all_rtl): Ditto.
11356 (remove_unnecessary_notes): Ditto.
11357 (recompute_reg_usage): Ditto.
11358 (variable_tracking_main): Ditto.
11359 * integrate.c (emit_initial_value_sets): Ditto.
11360 * integrate.h (emit_initial_value_sets): Ditto.
11361 * tree-optimize.c (execute_free_datastructures): Ditto
11362 (execute_free_cfg_annotations): Ditto.
11363 (execute_fixup_cfg): Ditto.
11364 (execute_cleanup_cfg_pre_ipa): Ditto.
11365 (execute_cleanup_cfg_post_optimizing): Ditto.
11366 (execute_init_datastructures): Ditto.
11367 * tree-object-size.c (compute_object_sizes): Ditto.
11368 * combine.c (rest_of_handle_combine): Ditto.
11369 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11370 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11371 (rest_of_handle_reorder_blocks): Ditto.
11372 (rest_of_handle_partition_blocks): Ditto.
11373 * var-tracking.c (variable_tracking_main): Ditto.
11374 * tree-profile.c (tree_profiling): Ditto.
11375 * tree-vect-generic.c (expand_vector_operations): Ditto.
11376 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11377 * sched-rgn.c (rest_of_handle_sched): Ditto.
11378 (rest_of_handle_sched2): Ditto.
11379 * basic-block.h (free_bb_insn): Ditto.
11380 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11381 * tree-cfg.c (execute_build_cfg): Ditto.
11382 (remove_useless_stmts): Ditto.
11383 (split_critical_edges): Ditto.
11384 (execute_warn_function_return): Ditto.
11385 (execute_warn_function_noreturn): Ditto.
11386 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11387 * cfgrtl.c (free_bb_for_insn): Ditto.
11388 * passes.c (execute_one_pass): Run additional
11389 todos returned by execute function.
11390 * tree-pass.h (struct tree_opt_pass): Make execute
11393 2006-03-02 Richard Guenther <rguenther@suse.de>
11395 * tree-ssa-alias.c (find_used_portions): Consider taking
11396 the address as making the variable not write-only.
11398 2006-03-02 Nick Clifton <nickc@redhat.com>
11400 * config.gcc (default_use_cxa_atexit): Extend the description of
11401 this configure variable. Set its default value to "yes" for
11402 Linux, NetBSD and ELF targets on the assumption that they will
11403 use C libraries with the __cxa_atexit function.
11405 2006-03-02 Ben Elliston <bje@au.ibm.com>
11407 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11408 parameter as unused to suppress a build warning.
11410 2006-03-02 Ben Elliston <bje@au.ibm.com>
11412 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11415 2006-03-01 Roger Sayle <roger@eyesopen.com>
11418 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11419 declared name, the weak reference name, and the typeof name.
11420 (__gthrw): Avoid expanding the declared name suffix.
11421 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11423 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11425 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11427 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11428 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11429 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11430 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11431 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11432 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11433 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11434 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11435 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11436 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11437 (DW_END_default, DW_END_big, DW_END_little): New.
11438 (DW_END_lo_user, DW_END_hi_user): Define.
11439 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11440 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11441 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11444 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11446 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11448 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11450 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11452 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11454 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11455 to 'symbol_mem_tag'.
11457 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11460 2006-03-01 Roger Sayle <roger@eyesopen.com>
11462 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11464 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11467 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11468 MACHO_DYNAMIC_NO_PIC_P.
11469 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11471 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11474 * config/darwin-protos.h (darwin_asm_output_anchor):
11476 * config/darwin-sections.def (cstring_section):
11477 Add SECTION_MERGE to the flags.
11478 (literal4_section): Likewise.
11479 (literal8_section): Likewise.
11480 (objc_selector_refs_section): Likewise.
11481 (objc_cls_refs_section): Likewise.
11482 * config/darwin.c (darwin_asm_output_anchor): New
11484 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11486 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11488 Fix PR tree-optimization/26443
11489 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11490 to todo and PROP_tmt_usage to properties_destroyed.
11491 * tree-ssa-ccp.c (pass_ccp): Ditto.
11492 (pass_store_ccp): Ditto.
11493 * tree-ssa-dom.c (pass_dominator): Ditto.
11495 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11497 * tree-ssa-operands.c: Cleanup whitespace.
11498 (get_asm_expr_operands): Move before first invocation.
11499 (get_indirect_ref_operands): Likewise.
11500 (get_tmr_operands): Likewise.
11501 (get_call_expr_operands): Likewise.
11502 (append_def): Likewise.
11503 (append_use): Likewise.
11504 (append_v_may_def): Likewise.
11505 (append_v_must_def): Likewise.
11506 (add_call_clobber_ops): Likewise.
11507 (add_call_read_ops): Likewise.
11508 (add_stmt_operand): Likewise.
11509 (add_virtual_operand): Likewise.
11510 (build_ssa_operands): Likewise.
11512 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11514 PR middle-end/26022
11516 PR middle-end/24437
11517 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11518 with a call expr to ...
11519 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11521 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11523 * tree-vrp.c (extract_range_from_assert): Remove special
11524 handling for types with super-types.
11526 2006-03-01 Ben Elliston <bje@au.ibm.com>
11528 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11529 and powerpc64-*-linux* configurations.
11530 * config/t-dfprules: New file.
11532 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11533 Compile dfp-bit.c from the source directory using -DWIDTH and
11534 $DFP_CFLAGS to control the compilation of that file, rather than
11535 generating width-specific versions in the build directory.
11536 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11537 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11539 2006-02-28 Zack Weinberg <zackw@panix.com>
11541 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11544 2006-02-28 Eric Christopher <echristo@apple.com>
11546 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11547 Set up IN_LIBGCC definition of TARGET_64BIT.
11548 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11550 2006-02-28 Roger Sayle <roger@eyesopen.com>
11552 PR middle-end/14752
11553 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11554 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11555 cases via the construction of "expr != 0".
11557 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11559 * alias.c (alias_invariant, alias_invariant_size): Remove.
11560 (record_base_value): Remove.
11561 (memrefs_conflict_p): Don't look at alias_invariant.
11562 (end_alias_analysis): Don't free it.
11563 * alias.h (record_base_value): Remove prototype.
11565 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11566 Adam Nemet <anemet@caviumnetworks.com>
11568 * rtl.h (truncated_to_mode): Declare it.
11569 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11570 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11571 (RTL_HOOKS_INITIALIZER): Include it.
11572 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11573 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11574 reg_truncated_to_mode.
11575 * rtlanal.c (truncated_to_mode): Define it.
11576 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11578 2006-02-28 Jeff Law <law@redhat.com>
11580 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11581 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11582 the range allowed by TYPE_PRECISION.
11584 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11586 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11588 PR tree-optimization/26419
11589 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11592 2006-02-27 Zack Weinberg <zackw@panix.com>
11594 * doc/md.texi: Fix typo in previous change.
11596 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11600 2006-02-27 Zack Weinberg <zackw@panix.com>
11602 * rtl.def (define_constraint, define_register_constraint)
11603 (define_memory_constraint, define_address_constraint): New MD forms.
11604 * gensupport.c (process_rtx): Put define_constraint etc on the
11606 * genpreds.c (process_define_predicate): Adjust comment. Validate
11607 the name, and call validate_exp to validate the expression.
11608 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11609 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11610 all callers changed.
11611 (validate_exp, needs_variable, struct constraint_data)
11612 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11613 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11614 (const_dbl_constraints, constraint_max_namelen)
11615 (have_register_constraints, have_memory_constraints)
11616 (have_address_constraints, have_address_constraints)
11617 (have_extra_constraints, have_const_int_constraints)
11618 (have_const_dbl_constraints, mangle, add_constraint)
11619 (process_define_constraint, process_define_register_constraint)
11620 (write_enum_constraint_num, write_lookup_constraint)
11621 (write_insn_constraint_len, write_regclass_for_constraint)
11622 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11623 (write_insn_extra_memory_constraint)
11624 (write_insn_extra_address_constraint)
11625 (write_satisfies_constraint_fns): New.
11626 (write_tm_preds_h): If we have new-style constraint definitions,
11627 prototype the functions generated from them, and define the
11628 old constraint interface (still used by generic code) in terms of
11630 (write_insn_preds_c): If we have new-style constraint definitions,
11631 generate all relevant functions from those definitions.
11632 (main): Handle define_constraint etc.
11633 * genoutput.c (struct constraint_data, indep_constraints)
11634 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11635 (mdep_constraint_len): New data structures and functions, defined
11636 #ifdef USE_MD_CONSTRAINTS.
11637 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11638 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11639 use new logic to validate operand constraints against constraint
11641 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11643 * defaults.h: If none of the old-style constraint macros are
11644 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11645 old-style macros; and poison REG_CLASS_FROM_LETTER,
11646 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11648 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11649 * doc/md.texi: Document new constraint-definition mechanism and the
11650 C interface it provides. Remove references to old mechanism
11651 elsewhere in the document.
11652 (Machine Constraints): Use pathnames relative to gcc directory,
11653 i.e. config/ARCH/FILE. Change i386 section to refer to
11654 config/i386/predicates.md; update that section to match docstrings.
11655 * doc/tm.texi: Move all documentation of the old constraint-
11656 definition macros to their own section, clearly mark as obsolete.
11658 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11659 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11661 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11662 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11663 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11664 constraint strings.
11665 (splits and peepholes): Use satisfies_constraint_*.
11666 * config/i386/i386.c (memory_address_length)
11667 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11669 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11671 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11672 scalar operation to be put back into the loop.
11674 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11677 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11678 (extract_cie_info): Handle S flag in augmentation string.
11679 (execute_cfa_program): If context->signal_frame, execute also
11680 fs->pc == context->ra instructions.
11681 (uw_frame_state_for): If context->signal_frame, don't subtract one
11682 from context->ra to find FDE.
11683 (uw_update_context_1): Set context->signal_frame to
11685 (_Unwind_GetIPInfo): New function.
11686 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11687 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11689 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11690 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11691 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11692 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11693 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11694 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11695 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11696 x86_64_fallback_frame_state): Set fs->signal_frame.
11697 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11698 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11699 (frob_update_context): Likewise. Workaround missing S flag in
11700 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11701 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11702 Remove the psw_addr + 1 hack.
11704 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11706 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11707 with aggregates here.
11708 (find_func_aliases): Remove code for &<aggregate> from here.
11710 2006-02-26 Roger Sayle <roger@eyesopen.com>
11712 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11713 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11714 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11715 as (X & C) ne/eq 0.
11717 2006-02-26 Roger Sayle <roger@eyesopen.com>
11719 PR middle-end/19983
11720 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11722 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11724 * opts.c (decode_options): Do not handle flag_strength_reduce.
11725 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11726 and OPT_fstrength_reduce.
11727 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11728 flag_prefetch_loop_arrays for being nonzero.
11729 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11731 (fprefetch-loop-arrays-rtl): Removed.
11732 (flag_prefetch_loop_arrays): Do not specify the value.
11734 * doc/passes.texi: Update documentation of loop optimizer
11736 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11737 -frerun-loop-opt): Remove.
11739 2006-02-26 Richard Guenther <rguenther@suse.de>
11741 PR tree-optimization/26421
11742 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11743 in function calls that are ADDR_EXPRs as using the whole structure.
11745 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11747 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11748 * tree-pass.h (pass_loop_optimize): Remove.
11749 * passes.c (pass_loop_optimize): Never run it.
11750 * toplev.c (backend_init): Don't call init_loop.
11751 * opts.c (flag_loop_optimize_set): Remove.
11752 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11753 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11754 the old RTL loop optimizer when profiling enabled.
11755 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11756 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11757 pre-headers for the sake of the old RTL loop optimizer.
11758 * Makefile.in: Remove all references to loop.o.
11760 * doc/invoke.texi: Remove all references to -floop-optimize
11761 and -frerun-loop-opt.
11763 2006-02-26 Zack Weinberg <zackw@panix.com>
11765 * doc/md.texi (Machine Constraints): Refer to all files with paths
11766 relative to gcc directory (i.e. config/CPU/file). Add missing
11767 @table @code ... @end table to M32C subsection.
11769 2006-02-26 Roger Sayle <roger@eyesopen.com>
11771 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11773 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11775 2006-02-26 Roger Sayle <roger@eyesopen.com>
11776 James A. Morrison <phython@gcc.gnu.org>
11778 PR middle-end/21137
11779 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11780 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11781 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11782 signedness of the shift operation.
11784 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11786 PR tree-optimization/26359
11787 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11789 2006-02-25 Roger Sayle <roger@eyesopen.com>
11791 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11792 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11793 as X == 0, and some symmetry related transformations.
11794 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11796 2006-02-25 Roger Sayle <roger@eyesopen.com>
11798 PR middle-end/23673
11799 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11800 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11801 symmetry related transformations. Fold (X^C1) == C2 as
11804 2006-02-25 Juergen Weigert <jw@suse.de>
11805 Richard Guenther <rguenther@suse.de>
11807 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11809 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11811 * combine.c (gen_lowpart_or_truncate): Call
11812 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11814 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11816 * doc/invoke.texi: Move -fopenmp description to "Options for
11818 Remove reference to -lgomp.
11820 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11822 * doc/install.texi: Require GNU tar version 1.14.
11824 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11826 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11827 * doc/invoke.texi (C++ Dialect Options): Document
11828 -fno-use-cxa-get-exception-ptr.
11829 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11830 * configure: Regenerate.
11831 * c.opt (fuse-cxa-get-exception-ptr): New.
11832 * c-opts.c (c_common_handle_option): Handle
11833 OPT_fuse_cxa_get_exception_ptr.
11834 * c-common.c (flag_use_cxa_atexit): Update documentation.
11835 (flag_use_cxa_get_exception_ptr): New.
11836 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11837 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11839 (C_COMMON_OVERRIDE_OPTIONS): New.
11841 2006-02-24 Roger Sayle <roger@eyesopen.com>
11843 PR middle-end/24952
11844 * combine.c (try_combine): Explicitly check whether GET_CODE is
11845 a SET or a CLOBBER, instead on checking that it isn't a USE.
11847 2006-02-24 Roger Sayle <roger@eyesopen.com>
11849 * fold-const.c (fold_comparison): New subroutine of fold_binary
11850 containing transformations common to both the equality and
11851 ordering relational operators, factored out of fold_binary.
11852 (fold_binary): Separate out the equality operators (EQ_EXPR
11853 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11854 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11855 transformations common to both.
11856 (fold_div_compare): Fix latent bugs in the previously unreachable
11857 LT_EXPR and GE_EXPR cases.
11859 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11861 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11862 decl libname for clog to __clog on AIX.
11864 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11866 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11869 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11870 output traceback table for thunks. Localise rs6000_stack_info call.
11872 2006-02-23 Roger Sayle <roger@eyesopen.com>
11873 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11875 * gthr-posix.h (__gthrw): Fix typo in comment.
11877 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11879 * doc/cpp.texi (Character sets): Document that we do support
11880 input files to be in any character set.
11882 2006-02-23 Jeff Law <law@redhat.com>
11884 * tree.h (PHI_ARG_NONZERO): Remove.
11885 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11886 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11887 node to the new node.
11889 PR tree-optimization/26425
11890 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11891 min/max, then assume its varying.
11893 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11895 PR rtl-optimization/26316
11896 * rtlanal.c (enum may_trap_p_flags): New.
11897 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11898 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11899 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11900 (may_trap_after_code_motion_p): New function.
11901 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11902 (find_invariant_insn): Use may_trap_after_code_motion_p.
11903 * rtl.h (may_trap_after_code_motion_p): Declare.
11905 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11907 * emit-rtl.c (immed_double_const): Cleanup.
11909 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11911 Fix PR tree-optimization/26376
11912 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11915 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11917 PR middle-end/26412
11918 * gimplify.c (omp_add_variable): Guard variable size decl test with
11919 DECL_SIZE (decl) check.
11921 2006-02-23 Richard Guenther <rguenther@suse.de>
11923 PR middle-end/26439
11924 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11925 like aggregate types.
11927 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11929 * configure.ac: Add --with{,out}-long-double-128 configure option.
11930 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11931 * configure: Rebuilt.
11932 * config.in: Rebuilt.
11933 * doc/install.texi (Options specification): Document
11934 --with-long-double-128.
11936 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11937 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11938 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11939 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11941 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11943 * config/s390/s390.c (override_options): Handle
11944 TARGET_DEFAULT_LONG_DOUBLE_128.
11946 * config/alpha/alpha.c (override_options): Handle
11947 TARGET_DEFAULT_LONG_DOUBLE_128.
11949 * config/sparc/sparc.c (sparc_override_options): Handle
11950 TARGET_DEFAULT_LONG_DOUBLE_128.
11952 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11954 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11955 (real-install-headers-tar, real-install-headers-cpio)
11956 (real-install-headers-cp): New targets.
11958 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11960 * tree.h (variable_section): Delete.
11961 * varasm.c (variable_section): Delete.
11963 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11965 * install.texi: Add notes on install.texi2html.
11966 (Building in parallel): Do not use footnotes.
11968 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11971 * doc/install.texi (Configuration): Document --disable-libgomp.
11973 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11975 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11977 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11979 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11980 (vec_extractv2df_0_sse): New.
11982 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11984 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11985 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11986 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11987 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11988 to the result of the expression.
11989 (def_cfa_1): Adjust.
11990 (frame_pointer_cfa_offset): Rename to...
11991 (frame_pointer_fb_offset): ... this. Adjust all uses.
11992 (convert_cfa_to_loc_list): Rename to...
11993 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11994 Pass it on to build_cfa_loc.
11995 (compute_frame_pointer_to_cfa_displacement): Rename to...
11996 (compute_frame_pointer_to_fb_displacement): ... this. New
11997 offset parameter. Use it in computation.
11998 (gen_subprogram_die): Compute cfa_fb_offset with the new
11999 macro, and use it to compute the fb loc list and the
12002 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12004 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12005 replaced with register_operand.
12006 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12007 non-DREG is expensive.
12008 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12009 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12012 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12014 * doc/install.texi2html: Use set -e.
12016 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12018 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12019 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12020 * doc/invoke.texi (-fshared-data): Delete.
12021 * common.opt (fshared-data): Delete.
12022 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12023 (assemble_static_space): Remove #if 0 code.
12024 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12025 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12026 * config/cris/cris.h: Remove FIXME.
12028 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12030 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12033 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12035 PR middle-end/26379
12036 * combine.c (simplify_shift_const_1): Disable nested shifts
12037 optimization for vector shifts.
12039 2006-02-20 Roger Sayle <roger@eyesopen.com>
12041 PR tree-optimization/26361
12042 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12043 of unsigned integer types.
12045 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12047 * tree-chrec.c (eq_evolutions_p): New.
12048 * tree-chrec.h (eq_evolutions_p): Declared.
12049 * tree-data-ref.c: Fix formatting.
12050 (datadep_stats, dependence_stats): New.
12052 (print_direction_vector): New.
12053 (dump_data_dependence_relation): Use print_direction_vector.
12054 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12055 (compute_subscript_distance): Static.
12056 (initialize_data_dependence_relation): Static. Get the number
12057 of loops surrounding the references from the callers, and initialize
12058 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12059 base_object_differ_p analyzers.
12060 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12061 compute_overlap_steps_for_affine_1_2,
12062 analyze_subscript_affine_affine): Count the classified dependences.
12063 Print a message when a test failed.
12064 (can_use_analyze_subscript_affine_affine): New.
12065 (analyze_siv_subscript): Compute the data dependences on symbolic
12066 scevs that verify can_use_analyze_subscript_affine_affine.
12067 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12068 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12069 Handle symbolic scevs.
12070 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12072 (subscript_dependence_tester): Moved...
12073 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12074 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12075 DDR_SIZE_VECT instead of getting it in parameter.
12076 (subscript_dependence_tester): ... here. Take as a parameter
12077 loop_nest_depth. Call build_classic_dist_vector and
12078 build_classic_dir_vector.
12079 (compute_affine_dependence): Update subscript_dependence_tester
12080 parameters. Update datadep_stats counters. Call
12081 compute_subscript_distance.
12082 (compute_self_dependence): Save the dist and dir vectors. Call
12083 compute_subscript_distance.
12084 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12085 (compute_all_dependences): Reorder parameters as they were before
12086 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12087 compute_subscript_distance. Update the use of
12088 compute_affine_dependence and initialize_data_dependence_relation.
12089 (find_data_references_in_loop): Handle COMPONENT_REF.
12090 (compute_data_dependences_for_loop): Initialize dependence_stats.
12091 Don't call build_classic_dist_vector and build_classic_dir_vector.
12092 Update the parameters of initialize_data_dependence_relation and
12093 compute_all_dependences. Print the statistics from datadep_stats.
12094 (analyze_all_data_dependences): Static. Not used until the pass for
12095 checking the data dependences is contributed.
12096 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12097 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12098 (initialize_data_dependence_relation, compute_affine_dependence,
12099 analyze_all_data_dependences, compute_subscript_distance): Removed.
12100 (print_direction_vector): New.
12101 * lambda.h (gcd): ... here.
12102 (lambda_vector_gcd): Moved here from gcd_vector.
12103 * lambda-code.c (gcd, gcd_vector): Removed.
12104 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12105 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12107 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12109 * ipa-type-escape.c: Tidy some comments and white space.
12110 * tree-ssa-operands.c: Likewise.
12112 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12115 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12116 (dump_decl_name): Do not walk the decl tree chains.
12117 * tree-pass.h (TDF_CHAIN): Remove.
12119 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12121 * Makefile.in (C): Remove
12123 (.PHONY): Remove C and PROTO
12125 2006-02-20 Roger Sayle <roger@eyesopen.com>
12127 PR middle-end/26236
12128 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12129 deprecated CHAR_TYPE tree code.
12131 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12133 * configure.ac (target_list): Add install-info, dvi, html.
12134 * configure: Regenerate.
12136 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12137 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12138 treelang/Make-lang.in: Do not use double-colon rules.
12140 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12142 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12143 (TMT_USED_ALONE): New macro.
12144 * tree-pass.h (PROP_tmt_usage): New property.
12145 (TODO_update_tmt_usage): New todo.
12146 * tree-ssa-alias.c (updating_used_alone): New variable.
12147 (recalculate_used_alone): New function.
12148 (compute_may_aliases): Set updating_used_alone, call
12149 recalculate_used_alone.
12150 * tree-sra.c (pass_sra): Note that this pass destroys
12151 PROP_tmt_usage, and add TODO_update_tmt_usage.
12152 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12153 * tree-flow.h (updating_used_alone): Prototype.
12154 (recalculate_used_alone): Ditto.
12155 * passes.c (execute_todo): Add code to set updating_used_alone,
12156 and call recalculate.
12157 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12158 for clobber if used alone, and add assert to verify used_alone
12161 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12163 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12164 for non tls symbols added.
12165 (legitimize_address): Do nothing for PLUS expressions if one of the
12166 addends is a tls symbol reference.
12168 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12172 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12174 * Makefile.in (BOOTSTRAPPING): New.
12175 (quickstrap): New definition if BOOTSTRAPPING=yes.
12177 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12178 * configure.ac: Substitute all_selected_languages with the languages
12179 that were configured. For all the other variables except
12180 lang_specs_files, include all the languages in the tree.
12181 * configure: Regenerate.
12183 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12184 if there is one. Run the commands to run fixincludes in the same
12187 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12188 * doc/install.texi: Document exact conventions for searching target tools.
12189 Document --with-build-time-tools. Document toplevel bootstrap. Document
12190 something more about building an Ada cross-compiler. Don't list GNU Make
12191 requirements which affect all platforms.
12193 2006-02-19 Roger Sayle <roger@eyesopen.com>
12195 PR middle-end/19543
12196 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12197 only equivalent if the have both the same mode and precision.
12199 2006-02-20 Ben Elliston <bje@au.ibm.com>
12201 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12203 2006-02-19 Roger Sayle <roger@eyesopen.com>
12204 Steven Bosscher <stevenb.gcc@gmail.com>
12206 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12207 constant pool references to identify stack mode constants.
12208 * rtlanal.c (constant_pool_constant_p): New predicate to check
12209 whether operand is a floating point constant in the pool.
12210 * rtl.h (constant_pool_constant_p): Prototype here.
12211 * loop.c (scan_loop): Avoid hoisting constants from the constant
12212 pool on STACK_REGS targets.
12213 (load_mems): Likewise.
12214 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12215 loads into x87 registers expensive in terms of register pressure.
12217 2006-02-19 Roger Sayle <roger@eyesopen.com>
12219 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12220 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12222 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12224 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12225 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12227 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12229 * doc/invoke.texi: Document -fipa-pta.
12230 * common.opt: Add ipa-pta option.
12231 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12232 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12233 (do_ds_constraint): Ditto.
12234 (get_constraint_for): Only add to referenced_vars if
12235 referenced_vars exists.
12236 (insert_into_field_list): Rewrite to do this unsorted.
12237 (insert_into_field_list_sorted): Rename old insert_into_field_list
12239 (create_function_info_for): Use insert_into_field_list_sorted.
12240 (create_variable_info_for): Rewrite so it uses unsorted version,
12241 since the field list is sorted.
12242 (intra_create_variable_infos): Only add to referenced_vars if
12243 referenced_vars exists.
12244 (ipa_pta_execute): Init heapvars, and delete when done.
12245 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12247 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12249 * doc/install.texi: Add missing `@samp'.
12251 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12253 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12256 2006-02-18 Mark Wielaard <mark@klomp.org>
12258 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12259 who added new 4.1 features, bug fixes and integration support.
12261 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12264 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12265 MEM for ABI_V4 pic.
12267 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12269 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12270 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12271 (copy_insn_1): Likewise. Don't copy each field individually.
12273 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12275 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12276 * rtl.c (rtx_size): Rename variable to...
12277 (rtx_code_size): ...this.
12278 (rtx_size): New function.
12279 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12280 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12282 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12283 * rtl.h (rtx_code_size): New variable.
12284 (rtx_size): Change from a variable to a function.
12285 (RTX_SIZE): Rename to...
12286 (RTX_CODE_SIZE): ...this.
12289 PR tree-optimization/17106
12290 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12291 (Anchored Addresses): New section.
12292 * doc/invoke.texi (-fsection-anchors): Document.
12293 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12294 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12295 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12296 * hooks.c (hook_bool_mode_rtx_false): New function.
12297 * hooks.h (hook_bool_mode_rtx_false): Declare.
12298 * gengtype.c (create_optional_field): New function.
12299 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12300 SYMBOL_REF_IN_BLOCK_P is true.
12301 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12302 (min_anchor_offset, max_anchor_offset): Likewise.
12303 (use_anchors_for_symbol_p): New hook.
12304 * toplev.c (compile_file): Call output_object_blocks.
12305 (target_supports_section_anchors_p): New function.
12306 (process_options): Check that -fsection-anchors is only used on
12307 targets that support it and when -funit-at-a-time is in effect.
12308 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12309 if the decl doesn't have one.
12310 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12311 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12312 of force_const_mem through use_anchored_address.
12313 (expand_expr_constant): New function.
12314 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12315 calling expand_expr for INDIRECT_REF.
12316 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12317 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12318 * expr.h (use_anchored_address): Declare.
12319 * loop-unroll.c: Don't declare rtx vectors here.
12320 * explow.c: Include output.h.
12321 (validize_mem): Call use_anchored_address.
12322 (use_anchored_address): New function.
12323 * common.opt (-fsection-anchors): New switch.
12324 * varasm.c (object_block_htab, anchor_labelno): New variables.
12325 (hash_section, object_block_entry_eq, object_block_entry_hash)
12326 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12327 (use_blocks_for_decl_p, change_symbol_section): New functions.
12328 (get_variable_section): New function, split out from assemble_variable.
12329 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12330 use_blocks_for_decl_p say so. Use change_symbol_section if the
12331 symbol has already been created.
12332 (assemble_variable_contents): New function, split out from...
12333 (assemble_variable): ...here. Don't output any code for
12334 block symbols; just pass them to place_block_symbol.
12335 Use get_variable_section and assemble_variable_contents.
12336 (get_constant_alignment, get_constant_section, get_constant_size): New
12337 functions, split from output_constant_def_contents.
12338 (build_constant_desc): Create a block symbol if use_object_blocks_p
12339 says so. Or into SYMBOL_REF_FLAGS.
12340 (assemble_constant_contents): New function, split from...
12341 (output_constant_def_contents): ...here. Don't output any code
12342 for block symbols; just pass them to place_section_symbol.
12343 Use get_constant_section and get_constant_alignment.
12344 (force_const_mem): Create a block symbol if use_object_blocks_p and
12345 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12346 (output_constant_pool_1): Add an explicit alignment argument.
12347 Don't switch sections here.
12348 (output_constant_pool): Adjust call to output_constant_pool_1.
12349 Switch sections here instead. Don't output anything for block symbols;
12350 just pass them to place_block_symbol.
12351 (init_varasm_once): Initialize object_block_htab.
12352 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12353 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12354 (place_block_symbol, get_section_anchor, output_object_block)
12355 (output_object_block_htab, output_object_blocks): New functions.
12356 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12357 (TARGET_ASM_OUT): Include it.
12358 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12359 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12360 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12361 (TARGET_INITIALIZER): Include them.
12362 * rtl.c (rtl_check_failed_block_symbol): New function.
12363 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12364 (block_symbol, object_block): New structures.
12365 (rtx_def): Add a block_symbol field to the union.
12366 (BLOCK_SYMBOL_CHECK): New macro.
12367 (rtl_check_failed_block_symbol): Declare.
12368 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12369 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12370 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12371 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12372 * output.h (output_section_symbols): Declare.
12373 (object_block): Name structure.
12374 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12375 (default_use_anchors_for_symbol_p): Declare.
12376 * Makefile.in (RTL_BASE_H): Add vec.h.
12377 (explow.o): Depend on output.h.
12378 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12379 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12380 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12381 (rs6000_use_blocks_for_constant_p): New function.
12383 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12385 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12387 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12390 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12393 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12395 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12399 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12401 PR middle-end/26334
12402 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12403 instead of DECL_REGISTER.
12405 2006-02-18 Olivier Hainque <hainque@adacore.com>
12408 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12410 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12413 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12414 * opth-gen.awk: Handle Var and InverseMask together.
12415 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12416 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12417 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12418 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12420 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12421 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12422 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12423 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12424 LINUX_DYNAMIC_LINKER): Define.
12425 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12426 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12428 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12429 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12430 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12431 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12432 (TARGET_C99_FUNCTIONS): Don't define.
12433 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12434 GLIBC_DYNAMIC_LINKER.
12435 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12436 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12437 GLIBC_DYNAMIC_LINKER64): Define.
12438 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12439 LINUX_DYNAMIC_LINKER64.
12440 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12441 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12442 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12443 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12444 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12445 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12446 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12447 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12448 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12449 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12450 and LINUX_DYNAMIC_LINKER32.
12451 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12452 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12453 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12454 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12455 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12457 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12458 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12459 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12460 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12461 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12462 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12463 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12464 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12465 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12466 LINUX_DYNAMIC_LINKER): Define.
12467 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12468 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12469 GLIBC_DYNAMIC_LINKER64): Define.
12470 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12471 LINUX_DYNAMIC_LINKER64.
12472 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12473 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12474 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12475 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12476 LINUX_DYNAMIC_LINKER): Define.
12477 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12478 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12479 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12480 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12481 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12482 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12483 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12484 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12485 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12486 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12487 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12488 * doc/invoke.texi (-muclibc): Remove caveat about supported
12491 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12493 * doc/cpp.texi (__TIMESTAMP__): Document.
12495 2006-02-17 Roger Sayle <roger@eyesopen.com>
12497 PR middle-end/25600
12498 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12499 C is one less than the width of X (and related transformations).
12500 * simplify-rtx.c (simplify_unary_operation_1): Transform
12501 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12502 depending on STORE_FLAG_VALUE, were C is one less then the
12505 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12507 Fix PR tree-optimization/26341
12508 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12509 about NAME_MEMORY_TAG's.
12511 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12514 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12515 with hardware float support, and software float support. Add fcpy
12516 alternative to hardware patterns. Add alternatives to copy between
12517 general and floating-point registers to the 32-bit pattern.
12518 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12519 secondary reload to load a QI or HI mode constant into a floating
12521 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12522 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12524 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12527 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12529 (load_macho_picbase_di): Likewise.
12531 2006-02-16 Jeff Law <law@redhat.com>
12533 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12534 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12535 (ssa_name_nonzero_p): Likewise.
12536 (get_value_range): Return NULL if VRP is not running.
12537 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12538 VRP routines do not discover a range.
12539 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12540 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12541 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12542 (tree_expr_nonnegative_p): Similarly.
12543 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12544 (restore_nonzero_vars_to_original_value): Remove.
12545 (unsafe_associative_fp_binop): Remove.
12546 (tree_ssa_dominator_optimize): Remove initialization and
12547 finalization of nonzero_vars and nonzero_vars_stack.
12548 (dom_opt_initialize_block): No longer push marker on
12549 nonzero_vars_stack.
12550 (dom_opt_finalize_block): No longer call
12551 restore_nonzero_vars_to_original_value.
12552 (record_equivalences_from_phis): No longer look for
12553 nonzero PHI arguments.
12554 (cprop_into_successor_phis): No longer propagate nonzero
12555 property into PHI arguments. Lose unused argument. Caller
12557 (record_equivalences_from_stmt): No longer record nonzero
12558 values for SSA_NAMEs.
12559 (lookup_avail_expr): No longer use nonzero_vars.
12561 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12562 for sizetype when sizetype is unsigned.
12564 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12566 PR rtl-optimization/25603
12567 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12568 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12569 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12570 with new meaning of SETS.
12572 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12577 * config/linux.opt: New file.
12578 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12579 LINUX_DYNAMIC_LINKER): Define.
12580 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12581 * config.gcc (*-*-linux*): Define extra_options.
12582 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12583 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12584 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12585 GLIBC_DYNAMIC_LINKER.
12586 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12587 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12588 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12589 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12590 * doc/invoke.texi (GNU/Linux Options): New section.
12592 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12594 * config/sparc/sparc.md (setjmp): Rewrite.
12595 (setjmp_32): Delete.
12596 (setjmp_64): Likewise.
12598 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12600 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12603 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12605 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12608 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12610 PR rtl-optimization/26296
12611 * Makefile.in (loop-invariant.c): Add except.h dependency.
12612 * loop-invariant.c: Include except.h.
12613 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12615 2005-02-16 Paul Brook <paul@codesourcery.com>
12617 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12620 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12622 PR rtl-optimization/25636
12623 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12624 when deciding whether an insn is an initializing insn.
12626 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12628 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12629 (tree_code_size): Ditto.
12630 * tree.h (struct tree_memory_tag): Remove parent_var.
12631 (struct tree_struct_field_tag): New.
12634 (union tree_node): Add sft member.
12635 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12637 (create_sft): Add size and offset argument, set SFT_OFFSET and
12639 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12640 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12641 * tree-flow-inline.h (get_subvar_at): Update for
12642 SFT_OFFSET/SFT_SIZE.
12643 (var_can_have_subvars): Ditto.
12644 (overlap_subvar): Ditto.
12645 * print-tree.c (print_node): Print out interesting things for
12647 * tree-flow.h (struct subvar): Remove offset and size members.
12648 * tree-ssa-operands.c (get_expr_operands): Update for
12649 get_indirect_ref_operands changes.
12650 (get_indirect_ref_operands): Call add_virtual_operand instead of
12651 add_stmt_operand. Only recurse on base var if requested.
12652 (access_can_touch_variable): New function.
12653 (add_stmt_operand): Split virtual operand handling into ...
12654 (add_virtual_operand): Here. Add offset, size, and for_clobber
12655 arguments. Prune alias sets.
12656 (add_call_clobber_ops): Call add_virtual_operand.
12658 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12660 PR middle-end/26300
12661 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12663 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12664 than TREE_CODE as index into omp_clause_num_ops array.
12666 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12668 PR rtl-optimization/26184
12669 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12671 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12672 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12673 must_precede, must_follow and tobe_scheduled.
12676 * opts.c (common_handle_option): Free new_option pointer.
12677 * df-core.c (df_analyze): Free postorder pointer.
12679 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12681 * Makefile.in: Fix the examples about the use of stamps
12683 2006-02-15 Michael Matz <matz@suse.de>
12685 PR middle-end/22275
12687 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12688 influenced by maximum_field_alignment or DECL_PACKED.
12689 (update_alignment_for_field): Ditto.
12690 (place_field): Ditto.
12691 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12694 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12696 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12697 (debug_flow_info): Pass it.
12698 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12699 * bb-reorder.c (reorder_basic_blocks): Likewise.
12700 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12701 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12702 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12703 * gcse.c (gcse_main, bypass_jumps): Likewise.
12704 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12705 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12706 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12707 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12708 * rtl.h (dump_flow_info): Adjust prototype.
12709 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12710 * var-tracking.c (variable_tracking_main): Likewise.
12711 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12712 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12715 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12717 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12720 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12722 PR tree-optimization/26209
12723 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12724 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12726 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12728 2006-02-14 Roger Sayle <roger@eyesopen.com>
12730 PR middle-end/23670
12731 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12732 (X,Y) and the corresponding symmetry related transformations.
12733 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12734 (X,Y) and its symmetry related transformations.
12736 2006-02-14 Roger Sayle <roger@eyesopen.com>
12738 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12741 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12743 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12745 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12748 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12749 support COMDAT group.
12750 * configure: Regenerate.
12752 2006-02-14 Roger Sayle <roger@eyesopen.com>
12754 PR middle-end/26279
12755 PR middle-end/26280
12756 PR middle-end/26283
12757 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12759 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12761 Fix PR tree-optimization/26260
12763 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12765 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12766 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12767 * tree-ssa-structalias.c (create_variable_info_for): Use
12768 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12770 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12772 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12774 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12775 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12776 of the ending condition.
12777 * tree-ssa-loop-manip.c: Include params.h.
12778 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12779 tree_unroll_loop): New functions.
12780 * tree-pass.h (pass_loop_prefetch): Declare.
12781 * loop.c (rest_of_handle_loop_optimize): Test for
12782 -fprefetch-loop-arrays-rtl.
12783 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12784 * timevar.def (TV_TREE_PREFETCH): New timevar.
12785 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12786 pass_loop_prefetch): New.
12787 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12788 (cleanup_tree_cfg_loop): Call scev_reset.
12789 * common.opt (fprefetch-loop-arrays-rtl): Add.
12790 * tree-ssa-loop-prefetch.c: New file.
12791 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12792 (new_temp_expr_table): Initialize expr_vars.
12793 (free_temp_expr_table): Cleanup expr_vars.
12794 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12795 expressions from being merged into one.
12796 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12797 (struct tree_niter_desc): Add control, bound and cmp fields.
12798 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12800 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12801 (tree-cfgcleanup.o): Add SCEV_H dependency.
12802 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12803 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12805 2006-02-14 Richard Guenther <rguenther@suse.de>
12807 PR tree-optimization/26258
12808 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12809 in PHI argument processing.
12811 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12813 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12814 new expression in the requested machine mode.
12816 2006-02-13 Roger Sayle <roger@eyesopen.com>
12818 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12819 directly, instead let do_compare_rtx_and_jump handle this for us.
12820 * expr.c (expand_expr_real_1): Likewise.
12821 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12822 before do_jump_by_parts_greater.
12823 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12824 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12826 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12828 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12830 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12832 PR rtl-optimization/26235
12833 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12834 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12837 2006-02-13 Jeff Law <law@redhat.com>
12839 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12842 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12844 PR middle-end/26092
12845 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12846 twice if decl is a builtin. When trying again, call get_callee_fndecl
12847 first to verify it is still a builtin.
12849 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12851 * dwarf2out.c (base_type_die): Don't add AT_name here.
12852 (subrange_type_die): Don't add AT_name here.
12853 (modified_type_die): Rearrange code flow. Do add AT_name here.
12855 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12857 PR rtl-optimization/26247
12858 PR rtl-optimization/26248
12859 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12861 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12863 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12864 * config/fixtfdi.c: Likewise.
12865 * config/fixunstfdi.c: Likewise.
12866 * config/floatditf.c: Likewise.
12868 2006-02-13 Roger Sayle <roger@eyesopen.com>
12870 PR middle-end/24427
12871 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12872 into (X,C2) if C1 is a subset of the bits of C2. Transform
12873 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12875 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12877 2006-02-13 Josh Conner <jconner@apple.com>
12880 * varasm.c (function_section): Check for section name before
12881 calling select_section on targets that define
12882 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12883 unlikely_text_section instead of hot_function_section if
12884 first_function_block_is_cold.
12886 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12888 PR middle-end/25335
12889 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12891 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12893 PR rtl-optimization/26222
12894 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12895 after tree->rtl expansion.
12896 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12897 before passing it to emit_move_insn.
12899 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12901 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12903 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12904 Clarify documentation.
12905 * c-common.h (warn_write_strings): Remove.
12906 * c-common.c (warn_write_strings): Likewise.
12907 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12910 2006-02-12 Roger Sayle <roger@eyesopen.com>
12912 PR middle-end/25724
12913 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12914 (do_jump_parts_zero_rtx): New function renamed from
12915 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12916 (do_jump_parts_equality_rtx): New function split out from
12917 do_jump_parts_equality. Old implementation renamed as above.
12918 Call do_jump_parts_zero_rtx if either operand is zero.
12919 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12920 do all of the heavy lifting.
12921 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12922 calling either do_jump_by_parts_greater_rtx or
12923 do_jump_by_parts_equality_rtx.
12924 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12925 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12926 moved to do_compare_rtx_and_jump, call it directly.
12927 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12928 mode argument. Call do_compare_rtx_and_jump.
12929 (emit_case_nodes): Update calls to do_jump_if_equal.
12931 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12933 PR rtl-optimization/26225
12934 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12936 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12938 PR rtl-optimization/26232
12939 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12941 2006-02-11 Jason Merrill <jason@redhat.com>
12944 * tree-inline.c (declare_return_variable): Just don't use the
12945 modify target if it's a gimple complex reg and the return slot
12948 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12950 * doc/contrib.texi: Update my entry.
12952 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12954 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12956 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12958 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12961 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12963 * doc/invoke.texi (-floop-optimize2): Removed.
12964 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12965 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12966 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12967 * common.opt (floop-optimize2): Removed.
12968 (fmove-loop-invariants): Enabled by default.
12970 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12972 * tree-if-conv.c (combine_blocks): Free the result of
12973 get_loop_exit_edges.
12975 2006-02-10 Jeff Law <law@redhat.com>
12977 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12979 PR tree-optimization/26213
12980 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12981 loop trying to follow SSA_NAME_VALUE chains.
12983 2006-02-10 Richard Guenther <rguenther@suse.de>
12985 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12986 deal with structures that end in implicitly variable sized arrays.
12988 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12990 PR rtl-optimization/24762
12991 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12994 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12996 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12997 (struct ivopts_data): Add regs_used field.
12998 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12999 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13000 instead of loop_data->regs_used;
13001 (free_loop_data): Do not free aux fields for loops.
13002 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13003 and tree_ssa_iv_optimize_finalize.
13005 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13007 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13009 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13012 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13013 computing the effective result type.
13015 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13017 PR inline-asm/16194
13018 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13019 (tree_overlaps_hard_reg_set): Declare.
13020 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13021 type and signature to match function type expected by walk_tree.
13022 (tree_overlaps_hard_reg_set): New function.
13023 (decl_conflicts_with_clobbers_p): Rename to:
13024 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13025 Use tree_overlaps_hard_reg_set. Changed caller.
13026 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13027 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13028 * cris.c (cris_md_asm_clobbers): Likewise.
13030 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13032 * reload1.c (emit_input_reload_insns): Delete code that tries to
13033 inherit using find_equiv_reg.
13035 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13037 * c-common.h (flag_const_strings): Don't declare.
13038 * c-common.c (flag_const_strings): Remove.
13039 * c.opt (fconst_strings): Remove.
13040 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13041 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13042 (c_common_init_options): Don't set flag_const_strings.
13043 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13045 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13047 * arm.md (tlobits_cbranch): New pattern.
13048 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13049 testing a single bit.
13051 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13054 * tree-ssa-pre.c (create_component_ref_by_pieces):
13055 Handle RETURN_DECL like VAR_DECL.
13057 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13059 PR middle-end/26134
13060 * fold-const.c (fold_indirect_ref_1): Fold
13061 "*(foo *)&complexfoo" to "__real__ complexfoo"
13062 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13064 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13066 * tree-flow-inline.h (var_can_have_subvars):
13067 Volatile variables should not have subvariables.
13069 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13072 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13073 multiplying unsigned values.
13076 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13078 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13080 2006-02-08 Jason Merrill <jason@redhat.com>
13083 * tree.def: Elaborate on difference from MODIFY_EXPR.
13084 * doc/c-tree.texi (INIT_EXPR): Likewise.
13085 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13086 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13087 (gimplify_target_expr): Likewise.
13088 (gimplify_cond_expr): Remove target handling.
13089 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13090 (gimplify_expr): Clobber it here.
13091 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13092 Do return slot optimization if we have an INIT_EXPR.
13095 * tree-inline.c (declare_return_variable): Also clear
13096 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13099 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13101 PR middle-end/22439
13102 * gimplify.c (gimplify_one_sizepos): Fix typo.
13104 2006-02-08 Jeff Law <law@redhat.com>
13106 PR tree-optimization/21417
13107 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13108 across a backedge if the control statement at the end of the
13109 block is data dependent on other statements in the same block.
13110 (record_temporary_equivalences_from_stmts): Remove over-conservative
13111 test for threading across backedges.
13113 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13114 control statement, handle all three special cases in the same
13115 manner as they all have the same desired solution. No longer
13116 special case edge flag updating when the post dominator is
13119 2006-02-08 Roger Sayle <roger@eyesopen.com>
13121 * tree.def (CHAR_TYPE): Remove.
13122 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13123 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13124 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13125 (gen_string_type_die): Delete unreachable function.
13127 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13128 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13129 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13130 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13131 * builtins.c (type_to_class): Likewise.
13132 * fold-const.c (fold_convert, build_range_check,
13133 merge_ranges): Likewise.
13134 * expr.c (count_type_elements): Likewise.
13135 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13136 * stor-layout.c (layout_type): Likewise.
13137 * ipa-type-escape.c (type_to_consider): Likewise.
13138 * gimplify.c (omp_firstprivatize_type_sizes,
13139 gimplify_type_sizes): Likewise.
13140 * explow.c (promote_mode): Likewise.
13141 * tree-sra.c (is_sra_scalar_type): Likewise.
13142 * varasm.c (output_constant): Likewise.
13143 * tree-inline.c (remap_type_1): Likewise.
13144 * convert.c (convert_to_pointer, convert_to_real,
13145 convert_to_integer, convert_to_complex): Likewise.
13147 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13149 * df-scan.c (df_def_record_1): A set destination may
13150 be a parallel regardless of mode.
13152 2006-02-08 Roger Sayle <roger@eyesopen.com>
13155 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13156 * config/mips/_tilib.c: Remove.
13157 * config/fixtfdi.c: New libgcc source file.
13158 * config/fixunstfdi.c: New source file.
13159 * config/floatditf.c: New source file.
13160 * config/floatunditf.c: New souce file.
13161 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13162 files above instead of config/mips/_tilib.c.
13163 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13165 2006-02-08 Jeff Law <law@redhat.com>
13167 PR tree-optimization/26169
13168 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13171 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13173 * df.h (DF_REG_SIZE): Return the length of the initialized
13176 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13178 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13179 __muldf3): Return a correctly signed zero.
13181 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13183 * passes.c (register_one_dump_file): Accept the current properties
13184 instead of pass number. Adjust call to dump_register. Remove
13186 (register_dump_files): Now a wrapper around...
13187 (register_dump_files_1): ... this one. Do not modify the pass
13189 (next_pass_1): Cosmetic fix.
13190 (execute_todo): Keep second parameter only. Use curr_properties
13191 instead of fetching it from the pass structure. Check and set
13193 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13194 instead of fetching it from the pass structure. Fix calls to
13195 execute_todo. Update curr_properties and initialize .vcg RTL dump
13196 after running the pass. Reset last_verified.
13197 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13199 (FIRST_AUTO_NUMBERED_DUMP): New.
13200 (dump_register): Remove "num" parameter, assign it within the
13202 (get_dump_file_name): Modify template for dumps.
13203 * tree-dump.h (dump_register): Adjust prototype.
13204 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13205 (PROP_trees): Add PROP_gimple_lomp.
13206 (TODO_set_props): New.
13207 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13208 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13209 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13211 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13213 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13214 (sparc64-*-linux*): Likewise.
13215 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13216 * config/sparc/t-linux: New file.
13217 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13218 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13219 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13220 -m32 -mlong-double-128.
13222 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13223 * config/alpha/t-linux: New file.
13224 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13226 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13227 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13228 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13229 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13230 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13231 (CPP_ARCH32_SPEC): Remove.
13233 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13235 PR tree-optimization/26145
13236 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13239 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13242 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13243 >= 240000 when generating code for SOM runtime.
13244 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13245 to $$dyncall when generating code for SOM runtime..
13247 2006-02-07 Dirk Mueller <dmueller@suse.com>
13250 * doc/invoke.texi (-Wsequence-point): Update documentation
13251 that -Wsequence-point is implemented for C++ as well.
13253 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13255 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13256 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13257 (LIB_SPEC): Likewise.
13258 * doc/invoke.texi (SPARC options): Document -pthread.
13260 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13262 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13265 2006-02-07 Roger Sayle <roger@eyesopen.com>
13267 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13268 Correct comment describing BOOLEAN_TYPE.
13270 2006-02-07 Dirk Mueller <dmueller@suse.com>
13272 * c.opt: C++ frontend supports -Wdiv-by-zero.
13273 * c-opts.c (c_common_handle_option): Remove dead case.
13275 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13277 * configure.ac (TLS assembler check): Do not enable TLS by
13278 default on SPARC/Solaris before version 10.
13279 * configure: Regenerate.
13281 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13283 * doc/invoke.texi (xl-compat): Document conversion and support
13286 2006-02-07 Jeff Law <law@redhat.com>
13288 * tree-vrp.c (find_conditional_asserts): Update comments.
13289 (simplify_stmt_for_jump_threading): New.
13290 (identify_jump_threads, finalize_jump_threads): New.
13291 (vrp_finalize): Call identify_jump_threads.
13292 (execute_vrp): Call finalize_jump_threads.
13293 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13294 (vrp_element, vrp_data, vrp_element_p): Remove.
13295 (vrp_hash_elt, vrp_variables_stack): Remove.
13296 (vrp_hash, vrp_eq, record_range): Remove.
13297 (simplify_cond_and_lookup_avail_expr): Remove.
13298 (extract_range_from_cond): Remove.
13299 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13300 (simplify_stmt_for_jump_threading): New.
13301 (dom_thread_across_edge): New wrapper.
13302 (tree_ssa_dominator_optimize): No longer initialize or
13303 finalize any of the VRP datastructures. Remove iteration
13304 step and simplify as a result of removal of iteration step.
13305 (pass_dominator): Perform a cfg cleanup after DOM.
13306 (dom_opt_finalize_block): Use the new common routines
13307 for threading jumps. Simplify stack management slightly.
13308 No longer need to unwind VRP state.
13309 (record_equivalences_from_incoming_edge): No longer record
13311 (eliminate_redundant_computations): No longer call
13312 simplify_cond_and_lookup_avail_expr.
13313 * tree-flow.h (potentially_threadable_block): Prototype.
13314 (thread_across_edge): Likewise.
13315 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13316 (tree-ssa-threadedge.o): Add dependencies.
13317 * tree-ssa-threadedge.c: New file.
13318 * passes.c (init_optimization_passes): Merge PHIs before
13319 calling VRP. Run VRP again late in the SSA optimization pipeline.
13321 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13323 * df-core.c (df_set_blocks): Do not dereference function pointers.
13324 (df_finish1): Likewise.
13325 (df_hybrid_search_forward): Likewise.
13326 (df_hybrid_search_backward): Likewise.
13327 (df_iterative_dataflow): Likewise.
13328 (df_analyze_problem): Likewise.
13329 (df_compact_blocks): Likewise.
13330 (df_dump): Likewise.
13331 * df-scan.c (df_rescan_blocks): Likewise.
13332 (df_record_entry_block_defs): Likewise.
13334 * genconditions.c (write_conditions): Guard the definition of
13335 'insn_conditions' with the check on GCC version.
13336 (write_writer): Guard the traversal 'insn_conditions' with
13337 the check on GCC version.
13339 2006-02-07 Richard Guenther <rguenther@suse.de>
13343 2006-01-30 Richard Guenther <rguenther@suse.de>
13345 * gimplify.c (gimplify_target_expr): Handle easy cases
13346 without creating a temporary.
13348 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13350 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13351 use of float in probability computations. Use edge probabilities
13352 in place of statically computed probabilities.
13353 (min_spec_prob): New static variable.
13354 (schedule_insns): Initialize it.
13355 (GET_SRC_PROB): Removed.
13356 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13358 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13361 * config/ia64/unwind-ia64.c: Revert last change.
13362 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13363 (INCOMING_FRAME_SP_OFFSET): Define.
13365 2006-02-06 Roger Sayle <roger@eyesopen.com>
13367 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13369 2006-02-07 Ben Elliston <bje@au.ibm.com>
13371 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13372 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13373 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13374 (ix86_return_in_memory): Handle TDmode.
13375 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13376 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13378 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13380 * reorg.c (dbr_schedule): Use dump_file instead of file.
13382 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13385 * config/ia64/predicates.md (extr_len_operand): New predicate.
13386 * config/ia64/ia64.md (extv): Tighten constraints.
13388 (*tbit_and_2): Ditto.
13389 (*tbit_and_3): Ditto.
13390 (*tbit_or_2): Ditto.
13391 (*tbit_or_3): Ditto.
13392 (*bit_zero): Ditto.
13395 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13398 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13400 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13402 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13403 loop_optimizer_init and loop_optimizer_finalize
13404 * tree-ssa-sink.c (execute_sink_code): Ditto.
13405 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13406 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13407 tree_ssa_loop_done): Ditto.
13408 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13409 * sched-ebb.c: Include output.h.
13410 (schedule_ebbs): Do not use dump argument.
13411 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13412 * loop.c (loop_dump_stream): Removed.
13413 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13415 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13416 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13417 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13418 loop_iterations, strength_reduce, record_biv, record_giv,
13419 final_giv_value, check_final_value, check_ext_dependent_givs,
13420 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13421 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13422 dump_file instead of loop_dump_stream.
13423 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13424 argument dump_file.
13425 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13427 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13428 * haifa-sched.c: Include output.h
13429 (schedule_insns, sched_init): Do not use dump argument.
13430 * mode-switching.c (optimize_mode_switching): Ditto.
13431 * modulo-sched.c (stats_file): Removed.
13432 (print_node_sched_params): Do not call argument dump_file.
13433 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13434 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13436 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13438 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13439 rtl_loop_init, rtl_loop_done): Ditto.
13440 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13441 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13443 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13444 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13445 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13446 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13447 * emit-rtl.c (renumber_insns): Ditto.
13448 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13449 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13450 * regclass.c (regclass): Ditto.
13451 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13452 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13453 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13454 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13456 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13457 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13459 * gcse.c (gcse_file, debug_stderr): Removed.
13460 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13461 rest_of_handle_gcse): Do not use dump argument.
13462 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13463 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13464 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13465 compute_code_hoist_vbeinout, compute_code_hoist_data,
13466 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13467 compute_store_table, build_store_vectors, insert_insn_start_bb,
13468 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13469 store_motion): Use dump_file instead of gcse_file.
13470 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13471 * profile.c (profile_dump_file): Removed.
13472 (branch_prob): Use dump_file instead of profile_dump_file.
13473 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13475 * tree-ssa-copy.c (dump_copy_of): Ditto.
13476 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13477 dump file to life_analysis.
13478 * bt-load.c (branch_target_load_optimize): Ditto.
13479 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13481 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13482 regclass, dbr_schedule): Declaration changed.
13483 * sched-int.h (sched_init): Declaration changed.
13484 * tree-profile.c (tree_profile_dump_file): Removed.
13485 (tree_profile_hooks): Removed profile_dump_file hook.
13486 * rtl-profile (rtl_profile_dump_file): Removed.
13487 (rtl_profile_hooks): emoved profile_dump_file hook.
13488 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13490 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13491 * tree-cfg.c (build_tree_cfg): Ditto.
13492 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13493 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13494 Declaration changed.
13495 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13496 life_analysis and schedule_insns.
13497 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13499 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13501 * config/mips/mips.c (mips_reorg): Ditto.
13502 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13505 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13507 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13508 (s390_mangle_fundamental_type): New.
13509 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13512 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13513 (alpha_mangle_fundamental_type): New.
13514 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13517 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13519 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13521 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13522 (sparc_mangle_fundamental_type): New.
13524 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13526 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13527 (s390x-*-linux*): Likewise.
13528 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13529 * config/s390/t-linux: New file.
13531 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13533 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13534 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13536 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13538 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13539 (ANTIC_SAFE_LOADS): New macro.
13540 (find_or_generate_expression): Add prototype.
13541 (set_contains_value): Allow null set for sake of not always having
13542 to allocate ANTIC_SAFE_LOADS.
13543 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13544 Allow COMPONENT_REF too.
13545 (valid_in_set): Allow COMPONENT_REF.
13546 Check ANTIC_SAFE_LOADS too.
13547 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13548 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13550 (can_PRE_operation): Add COMPONENT_REF.
13551 (create_component_ref_by_pieces): New function.
13552 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13553 (insert_aux): Move AGGREGATE_TYPE_P check here.
13554 (compute_avail): Set bb local stmt uids.
13555 (pass_pre): Use TODO_update_ssa_only_virtuals.
13557 2006-02-06 Ben Elliston <bje@au.ibm.com>
13559 * configure.ac: Unconditionally disable decimal float by default.
13560 * configure: Regenerate.
13562 2006-02-06 Ben Elliston <bje@au.ibm.com>
13564 * read-rtl.c (read_name): Terminate reading on EOF.
13566 2006-02-06 Ben Elliston <bje@au.ibm.com>
13568 * dfp.c (decimal_real_arithmetic): Change second argument type
13569 from int to enum tree_code. Do not always return true, but now
13570 return result of any call to decimal_do helper functions.
13571 * dfp.h (decimal_real_arithmetic): Update prototype.
13573 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13575 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13577 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13580 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13583 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13585 * tree-vrp.c (cfg_loops): Removed.
13586 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13587 Use current_loops instead of cfg_loops. Pass flags to
13588 loop_optimizer_init.
13589 * cfgloopmanip.c (fix_loop_structure): Update only available
13591 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13592 loop_optimizer_init.
13593 * modulo-sched.c (build_loops_structure): Removed.
13594 (sms_schedule): Use loop_optimizer_init.
13595 * loop-init.c (loop_optimizer_init): Use flags to determine
13596 which properties of loops to prepare.
13597 (rtl_loop_init): Pass flags to loop_optimizer_init.
13598 * tree-ssa-sink.c (execute_sink_code): Ditto.
13599 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13600 * tree-ssa-pre.c (init_pre): Ditto.
13601 * cfgloop.h (LOOPS_NORMAL): New.
13602 (loop_optimizer_init): Declaration changed.
13604 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13606 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13607 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13609 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13611 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13613 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13614 * pa/t-pa64: Delete quadlib.c rule.
13615 * pa/x-ada: Revert last change.
13616 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13618 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13620 PR rtl-optimization/26087
13621 * rtlanal.c (canonicalize_condition): Do not cross basic block
13624 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13627 * config/ia64/ia64.c: Include debug.h.
13628 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13629 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13630 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13631 (process_epilogue, process_set, process_for_unwind_directive):
13632 Output unwind info only if requested. Add CFA info if requested.
13633 Add new arguments as needed. Adjust callers.
13634 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13636 (DWARF2_FRAME_INFO): Define to zero.
13637 * config/ia64/unwind-ia64.c: Remove code that compensated for
13638 the CFA offset error fixed above.
13639 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13640 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13641 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13642 -funwind-tables and -fexceptions to enable frame info.
13643 (dwarf2out_frame_init): Define initial CFA even if
13644 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13645 DWARF2_UNWIND_INFO is nonzero, not just defined.
13646 (dwarf2out_frame_finish): Output non-EH call frame info only
13647 if DWARF2_FRAME_INFO is nonzero.
13648 (convert_cfa_to_loc_list,
13649 compute_frame_pointer_to_cfa_displacement): Define even if
13650 unwind info is not supported.
13651 (gen_subprogram_die): Use the above unconditionally. Remove
13652 legacy alternate code.
13653 * toplev.c (compile_file): Compile in call to
13654 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13655 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13657 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13658 Jakub Jelinek <jakub@redhat.com>
13660 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13661 IBM extended float format long double as "g" on powerpc*-linux.
13663 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13666 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13667 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13669 2006-02-03 Jason Merrill <jason@redhat.com>
13672 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13674 PR middle-end/25977
13675 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13676 on the return slot if it's an NRV.
13678 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13680 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13681 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13682 rewrite_use): Do not handle USE_OUTER.
13683 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13684 add_iv_outer_candidates, may_replace_final_value,
13685 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13686 (find_interesting_uses_op): Functionality of
13687 find_interesting_uses_outer_or_nonlin moved here.
13688 (find_interesting_uses_outside): Use find_interesting_uses_op.
13690 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13693 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13695 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13696 Ulrich Weigand <uweigand@de.ibm.com>
13699 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13700 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13701 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13702 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13704 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13705 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13706 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13707 Define secondary reloads for TFmode moves.
13708 (constant_modes): Add TFmode.
13709 (NR_C_MODES): Set to 8.
13710 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13712 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13713 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13714 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13715 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13716 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13717 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13718 (FPR mode macro): Add TFmode.
13719 (DSF mode macro): New.
13720 (<de>, <dee> mode attributes): Removed.
13721 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13722 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13723 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13724 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13725 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13726 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13727 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13728 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13729 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13730 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13731 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13732 "*negabs<mode>2", "sqrt<mode>2"):
13733 Changed <de> to <xde>. R constraint replaced by <Rf>.
13734 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13736 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13737 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13738 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13740 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13741 "extenddftf2", "extendsftf2"): New expanders.
13742 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13743 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13744 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13745 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13747 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13748 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13749 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13750 __floatditf): Add a GCC_4.1.0 symbol version tag.
13751 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13754 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13757 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13758 Use targetm.binds_local_p instead of TREE_PUBLIC.
13760 2006-02-02 Roger Sayle <roger@eyesopen.com>
13762 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13763 on INTEGER_TYPEs to indicate that it denotes a character type.
13764 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13765 signed_char_type_node, unsigned_char_type_node and char_type_node.
13766 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13767 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13768 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13770 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13771 Daniel Berlin <dberlin@dberlin.org>
13773 * tree-tailcall.c (arg_needs_copy_p): New function.
13774 (eliminate_tail_call): Use arg_needs_copy_p.
13775 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13776 (add_virtual_phis): New function.
13778 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13780 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13781 #ignore instead of #scratch for %g7 .register directive.
13783 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13785 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13788 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13790 * flow.c (calculate_global_regs_live): Assert that there aren't any
13793 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13795 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13796 what its name says.
13797 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13798 bsi_after_labels iterator.
13799 * tree-if-conv.c (find_phi_replacement_condition,
13800 replace_phi_with_cond_modify_expr): Likewise.
13801 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13802 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13804 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13806 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13808 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13811 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13812 array after growing it.
13814 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13816 PR middle-end/24901
13817 * fold-const.c (fold_checksum_tree): Change type of buf.
13819 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13821 * reload.c (push_secondary_reload): Initialize t_icode.
13823 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13825 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13826 -msoft-float -mlong-double-128 only issue a warning, but don't
13827 swich to DFmode long double.
13829 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13831 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13832 has a constant equivalent, iterate over equivalents for arg0,
13833 calling simplify_relational_operation and if there's a result
13834 cheaper than X, apply fold_rtx and return the result.
13836 2006-02-01 Jan Hubicka <jh@suse.cz>
13838 * opts.c (no_unit_at_a_time_default): New global variable.
13839 (decode_options): Use it.
13840 * opts.h (no_unit_at_a_time_default): Declare.
13842 2006-02-01 Paul Brook <paul@codesourcery.com>
13844 * function.c (assign_parm_setup_reg): Use function argument promotion
13846 * expr.c (expand_expr_real_1): Use function argument promotion rules
13849 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13851 * gcc.c (process_command): Change j to 'unsigned int'.
13853 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13855 PR middle-end/26001
13856 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13857 Use the corrected index for the character
13858 out of the string constant.
13860 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13862 * mode-switching.c (optimize_mode_switching): Fix size
13863 allocated for bb_info[n_entities].
13865 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13867 * gcc.c (main): Correct type that is allocated for
13868 explicit_link_files.
13870 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13872 * config/s390/s390.c (init_alignment_context): Set
13873 ALIAS_SET_MEMORY_BARRIER on the MEM.
13874 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13876 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13878 PR middle-end/25933
13879 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13881 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13884 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13886 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13887 * regrename.c: Ditto.
13888 * tree-ssa-loop-im.c: Ditto.
13889 * tree-dump.c: Ditto.
13890 * tree-complex.c: Ditto.
13891 * genrecog.c: Ditto.
13892 * tree-ssa-threadupdate.c: Ditto.
13894 * java/class.c: Ditto.
13895 * java/jcf-parse.c: Ditto.
13896 * java/resource.c: Ditto.
13897 * java/except.c: Ditto.
13898 * java/jvspec.c: Ditto.
13899 * java/jcf-write.c: Ditto.
13900 * java/jcf-path.c: Ditto.
13901 * java/gjavah.c: Ditto.
13902 * java/zextract.c: Ditto.
13903 * java/jcf-io.c: Ditto.
13904 * java/jcf.h: Ditto.
13905 * java/buffer.c: Ditto.
13906 * java/lang.c: Ditto.
13907 * java/parse-scan.y: Ditto.
13908 * java/lex.c: Ditto.
13909 * java/lex.h: Ditto.
13910 * cfgloopmanip.c: Ditto.
13911 * postreload-gcse.c: Ditto.
13912 * tree-ssa-loop-manip.c: Ditto.
13913 * postreload.c: Ditto.
13914 * tree-ssa-loop-ch.c: Ditto.
13917 * cppspec.c: Ditto.
13918 * diagnostic.c: Ditto.
13920 * genoutput.c: Ditto.
13922 * cfghooks.c: Ditto.
13923 * cfgloopanal.c: Ditto.
13924 * objc/objc-act.c: Ditto.
13926 * genextract.c: Ditto.
13927 * genautomata.c: Ditto.
13928 * pretty-print.c: Ditto.
13929 * genemit.c: Ditto.
13930 * cgraphunit.c: Ditto.
13932 * df-scan.c: Ditto.
13933 * haifa-sched.c: Ditto.
13934 * dominance.c: Ditto.
13936 * tree-ssa-loop-ivopts.c: Ditto.
13937 * df-core.c: Ditto.
13938 * mode-switching.c: Ditto.
13939 * modulo-sched.c: Ditto.
13941 * ipa-pure-const.c: Ditto.
13943 * fix-header.c: Ditto.
13945 * tree-stdarg.c: Ditto.
13946 * ipa-utils.c: Ditto.
13947 * loop-init.c: Ditto.
13948 * ipa-inline.c: Ditto.
13949 * cfganal.c: Ditto.
13951 * alloc-pool.c: Ditto.
13952 * dwarf2out.c: Ditto.
13954 * genattrtab.c: Ditto.
13955 * tree-ssa-loop-ivcanon.c: Ditto.
13956 * predict.c: Ditto.
13957 * timevar.c: Ditto.
13959 * fortran/gfortranspec.c: Ditto.
13960 * regmove.c: Ditto.
13961 * local-alloc.c: Ditto.
13962 * langhooks.c: Ditto.
13963 * function.c: Ditto.
13964 * tree-vectorizer.c: Ditto.
13966 * ipa-type-escape.c: Ditto.
13968 * tree-if-conv.c: Ditto.
13969 * profile.c: Ditto.
13971 * tree-data-ref.c: Ditto.
13972 * loop-unroll.c: Ditto.
13973 * treelang/treetree.c: Ditto.
13975 * bt-load.c: Ditto.
13976 * ggc-common.c: Ditto.
13978 * coverage.c: Ditto.
13980 * tree-cfgcleanup.c: Ditto.
13981 * tree-ssa-pre.c: Ditto.
13982 * cfgcleanup.c: Ditto.
13983 * loop-invariant.c: Ditto.
13984 * loop-iv.c: Ditto.
13985 * ipa-prop.c: Ditto.
13986 * print-tree.c: Ditto.
13987 * conflict.c: Ditto.
13988 * ggc-page.c: Ditto.
13989 * sched-deps.c: Ditto.
13990 * regclass.c: Ditto.
13991 * tree-object-size.c: Ditto.
13992 * combine.c: Ditto.
13993 * bb-reorder.c: Ditto.
13994 * resource.c: Ditto.
13995 * var-tracking.c: Ditto.
13996 * cfgloop.c: Ditto.
13997 * df-problems.c: Ditto.
13998 * reg-stack.c: Ditto.
14000 * gccspec.c: Ditto.
14001 * sched-rgn.c: Ditto.
14002 * tree-ssa-structalias.c: Ditto.
14003 * tree-ssa-reassoc.c: Ditto.
14004 * config/darwin-c.c: Ditto.
14005 * config/darwin.c: Ditto.
14006 * config/arm/arm.c: Ditto.
14008 * collect2.c: Ditto.
14009 * reload1.c: Ditto.
14011 2006-01-31 Nicolas Pitre <nico@cam.org>
14013 * arm.md (smaxsi3): Make aware of smax_m1.
14016 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14018 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14020 2006-01-31 Richard Guenther <rguenther@suse.de>
14022 * doc/invoke.texi (-msselibm): Document.
14023 * target.h (expand_library_builtin): New target hook.
14024 * builtins.c (expand_builtin): Use expand_library_builtin.
14025 (default_expand_library_builtin): New function.
14026 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14027 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14028 (link_gcc_math_spec): Declare.
14029 (static_specs): Add link_gcc_math_spec.
14030 * expr.h (default_expand_library_builtin): Declare.
14031 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14032 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14033 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14034 * config/i386/i386.opt (msselibm): New target option.
14035 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14036 (ix86_init_sse_abi_builtins): New function.
14037 (ix86_expand_library_builtin): Likewise.
14038 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14039 (override_options): Handle error conditions wrt -msselibm.
14040 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14041 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14042 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14045 2006-01-31 Richard Guenther <rguenther@suse.de>
14046 Paolo Bonzini <bonzini@gnu.org>
14048 * doc/install.texi (--disable-libgcc-math): Document.
14050 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14052 * expr.h (expand_normal): new inline function.
14053 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14054 * dojump.c: use it.
14055 * dwarf2out.c: use it.
14058 * expmed.c: use it.
14059 * except.c: use it.
14060 * config/sparc/sparc.c: use it.
14061 * config/i386/i386.c: use it.
14062 * config/rs6000/rs6000.c: use it.
14063 * config/arm/arm.c: use it.
14064 * config/mips/mips.c: use it.
14065 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14067 2006-01-30 Roger Sayle <roger@eyesopen.com>
14069 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14070 argv to the appropriate type.
14072 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14074 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14077 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14080 * config/s390/s390.c (struct machine_function): New flag
14081 decomposed_literal_pool_addresses_ok_p.
14082 (s390_reorg): Set it before final stage of literal pool transforms.
14083 (s390_decompose_address): Only accept displacements of the form
14084 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14086 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14088 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14089 the comparison routine return.
14091 2006-01-30 Michael Matz <matz@suse.de>
14093 * global.c (find_reg): Only evict for global regs.
14094 Take n_refs into account and dump more info.
14096 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14099 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14100 (pragma_trap, pragma_nosave_low_regs): Likewise.
14101 (current_function_anonymous_args): Likewise.
14102 (sh_deferred_function_attributes): New variable.
14103 (sh_deferred_function_attributes_tail): Likewise.
14104 (print_operand): For '@', look up trap_exit attribute.
14105 (calc_live_regs): Look up trapa_handler attribute. For trapa
14106 handlers, save/restore fpscr, but don't do any other
14107 interrupt-specific saves.
14108 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14109 Fix check for partially saved registers to check for SHmedia.
14110 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14111 (sh_output_function_epilogue): Don't clear any of the removed
14113 (sh_insert_attributes): Don't check pragma_interrupt.
14114 Insert deferred attributes. Check that interrupt attribute is
14115 present for other attributes that require its presence.
14116 (sh_attribute_table): Add new attributes trapa_handler and
14118 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14119 Don't check for pragma_interrupt. Don't store argument.
14120 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14121 (sh_deferred_function_attributes): Declare.
14122 (sh_deferred_function_attributes_tail): Likewise.
14123 * sh.md (sp_switch_1): Add operand. Change generator caller.
14124 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14125 (*return_i): Don't use when trap_exit attribute is in effect.
14126 (*return_trapa): New insn pattern.
14127 * sh-c.c: New file.
14128 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14129 setting c_target_objs and cxx_target_objs.
14130 * t-sh: Add rule for sh-c.o.
14132 2006-01-30 Richard Guenther <rguenther@suse.de>
14135 * gimplify.c (gimplify_target_expr): Handle easy cases
14136 without creating a temporary.
14138 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14140 * vec.h (safe_grow): Remove duplicated line.
14142 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14145 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14146 (expand_omp): ... here.
14147 (expand_omp_parallel): Only remove barriers for combined
14148 parallel+workshare constructs.
14150 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14154 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14155 * tree.c (build_qualified_type): Chain the new type to the original
14156 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14157 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14158 (build_pointer_type_for_mode): Only return unqualified types.
14159 (build_reference_type_for_mode): Likewise.
14161 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14163 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14164 * Makefile.in (CXX_COMPAT_WARN): Define.
14165 * configure: Regenerate.
14167 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14170 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14173 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14175 * toplev.c: Fix thinko.
14177 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14178 Marcin Dalecki <martin@dalecki.de>
14180 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14181 (push_srcloc): Use XNEW.
14182 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14184 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14186 * df-core.c (df_set_blocks): Deleted all variable.
14188 2006-01-28 Ian Lance Taylor <ian@airs.com>
14190 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14191 cgraph_output_pending_asms.
14193 2006-01-28 Zack Weinberg <zackw@panix.com>
14195 * c.opt: Add -W(no-)overlength-strings.
14196 * doc/invoke.texi: Document it.
14197 * c-opts.c (c_common_handle_option): -pedantic implies
14198 -Woverlength-strings, if not explicitly disabled already.
14199 (c_common_post_options): -Woverlength-strings defaults to off, and
14200 is always off for C++.
14201 * c-common.c (fix_string_type): Issue warning about strings longer
14202 than is portable only if warn_overlength_strings. Rearrange code
14203 a little for clarity.
14204 * configure.in: Check for -Wno-overlength-strings as well before
14205 enabling -pedantic in stage 1.
14206 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14207 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14209 * genconditions.c (write_header, write_one_condition)
14210 (write_conditions, write_writer): Consolidate very long strings
14211 that were broken up to fit in C89 portable limit. Don't use
14212 printf when fputs will do.
14214 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14216 * combine.c (simplify_comparison <AND>): Check
14217 TRULY_NOOP_TRUNCATION before start using a subreg.
14219 * config/mips/mips.md (*branch_zero<mode>,
14220 *branch_zero<mode>_inverted, *branch_equality<mode>,
14221 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14222 Remove mode check from comparisons.
14224 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14226 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14228 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14230 * expmed.c (const_mult_add_overflow_p): Remove.
14231 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14233 * recog.c (validate_replace_rtx_subexp): Remove.
14234 * recog.h: Remove the prototype for
14235 validate_replace_rtx_subexp.
14237 * integrate.h: Remove the prototype for
14238 copy_decl_for_inlining.
14239 * rtl.h: Remove the prototype for mark_constant_function.
14240 * tree-vectorizer.h: Remove the prototype for
14241 vect_strip_conversion.
14243 * modulo-sched.c (create_partial_schedule,
14244 free_partial_schedule, reset_partial_schedule): Make them
14247 * hooks.c (hook_bool_rtx_int_false): Remove.
14248 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14250 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14252 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14253 and -mlong-double-128 are incompatible.
14254 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14255 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14256 (TARGET_LIBGCC2_CFLAGS): Define.
14257 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14258 (TARGET_LIBGCC2_CFLAGS): Same.
14259 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14261 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14264 * c-typeck.c (build_binary_op): Perform implicit casts of
14265 operands before shortening them.
14267 * cfgloopmanip.c (split_loop_bb): Remove.
14268 * cfgloop.h: Remove the prototype for split_loop_bb.
14270 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14271 * cfgloop.h: Remove the prototype for
14272 flow_loop_outside_edge_p.
14274 * emit-rtl.c (init_virtual_regs): Make it static.
14275 * function.h: Remove the prototype for init_virtual_regs.
14277 * recog.c (peephole2_optimize): Make it static.
14278 * recog.h: Remove the prototype for peephole2_optimize.
14280 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14282 * df-scan.c (df_record_entry_block_defs): Check if
14283 INCOMING_RETURN_ADDR_RTX is defined.
14285 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14286 Kenneth Zadeck <zadeck@naturalbridge.com>
14288 PR rtl-optimization/24762
14289 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14290 * targhooks.c (hook_void_bitmap): New hook prototype.
14291 * targhoohs.h (hook_void_bitmap): Ditto.
14292 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14293 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14294 * target.h (live_on_entry): New function pointer.
14295 * df-scan.c (df_all_hard_regs): Removed.
14296 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14297 (df_scan_free_internal): Added df->entry_block_defs.
14298 (df_scan_alloc): Ditto.
14299 (df_scan_dump): Ditto.
14300 (df_uses_record): Plumbed flag field properly thru calls.
14301 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14302 This part fixes PR24762.
14303 (df_bb_refs_record): Added code to make the frame and arg
14304 pointers live in EH blocks.
14305 (df_refs_record): Added call to df_record_entry_block_defs.
14306 (df_record_entry_block_defs): New function.
14307 * df-core.c: Added comments to describe new artifical defs.
14308 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14309 (entry_block_defs): New field in struct df.
14310 (df_all_hard_regs): Deleted.
14311 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14312 * df-problems.c (df_ru_bb_local_compute_process_def):
14313 Added code to handle artifical defs in the entry to a function.
14314 (df_ru_bb_local_compute): Ditto.
14315 (df_rd_bb_local_compute_process_def): Ditto.
14316 (df_rd_bb_local_compute): Ditto.
14317 (df_lr_bb_local_compute): Ditto.
14318 (df_ur_bb_local_compute): Ditto.
14319 (df_urec_bb_local_compute): Ditto.
14320 (df_chain_create_bb): Ditto.
14321 (df_ur_local_finalize): Removed entry.
14322 (df_urec_init): Ditto.
14323 (df_urec_local_finalize): Ditto.
14324 (df_ri_bb_compute): Added detection of last use of pseudos.
14325 * Makefile.in (df-scan.o): Updated dependencies.
14326 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14327 * config/mips/mips.c (mips_set_live_on_entry): Added.
14328 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14330 * dce.c (marked_insn_p): Added code to handle artifical defs.
14332 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14334 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14336 (_mm_cvtsi128_si64): Likewise.
14337 (_mm_cvtsd_si64): Likewise.
14338 (_mm_cvttsd_si64): Likewise.
14339 (_mm_cvtsi64_sd): Likewise.
14340 (_mm_cvtsi64_si128): Likewise.
14341 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14342 (_mm_cvtsi64_m64): Likewise.
14343 (_m_to_int64): Likewise.
14344 (_mm_cvtm64_si64): Likewise.
14345 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14346 (_mm_cvttss_si64): Likewise.
14347 (_mm_cvtsi64_ss): Likewise.
14348 (_mm_cvtss_f32): Likewise.
14350 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14352 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14353 for pragma redefine_extname.
14355 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14358 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14359 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14360 -mno-minimal-toc to previous content.
14361 (bispecs): Remove goal.
14362 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14363 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14364 compatibility aliases on powerpc-*-*gnu*.
14365 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14366 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14367 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14368 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14369 (ldblspecs): New goal.
14370 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14371 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14373 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14374 L_sf_to_tf or L_df_to_tf is defined.
14376 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14377 Alan Modra <amodra@bigpond.net.au>
14380 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14381 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14382 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14383 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14384 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14385 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14386 (rs6000_override_options): Initialize rs6000_ieeequad.
14387 Initialize TFmode format to ibm_extended_format if not
14389 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14391 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14392 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14393 (function_arg_advance): IBM long double passed in two FPRs, not
14395 (function_arg): IBM long double passed in FPRs.
14396 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14397 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14398 Only multireg GPR aligned.
14399 (rs6000_init_libfuncs): Enable IBM long double functions if not
14401 (rs6000_generate_compare): Use IBM long double compare if not
14403 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14404 (TARGET_IEEEQUAD): Define.
14405 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14406 not TARGET_IEEEQUAD.
14407 * config/rs6000/rs6000.md: Enable TFmode patterns if
14409 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14410 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14411 and -mlong-double-128 are incompatible.
14412 * doc/invoke.texi (-mabi): Collect options together. Add
14413 ibmlongdouble and ieeelongdouble.
14415 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14417 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14419 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14420 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14421 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14422 * rtl.h (rtunion_def): Remove rt_ptr.
14424 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14425 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14426 * config/i386/winnt.c (i386_pe_mark_dllexport)
14427 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14429 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14431 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14433 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14437 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14438 pthread_key_delete. From John David Anglin. gthrw-ify
14439 pthread_getunique_np only if it it's not a macro. Delete
14441 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14442 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14443 __gthread_objc_condition_signal, __gthread_key_delete): Add
14444 "__attribute__ ((__unused__))" to unused arguments.
14445 (__gthread_recursive_mutex_init_function): Add missing return.
14446 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14447 gthr-posix95.h: Use macro-based approach for name redirection
14448 on targets missing weakref.
14450 2006-01-26 Zack Weinberg <zackw@panix.com>
14452 * genconditions.c (write_header): In generated code, #ifdef out
14453 all includes and fake declarations, except includes of bconfig.h
14454 and system.h, unless GCC_VERSION >= 3001. Do not include
14455 gensupport.h in any case.
14456 (write_conditions): Generate a definition of struct c_test. Add
14457 a comment to the generated #endif.
14458 (write_one_condition): Escape backslashes in string too.
14459 (write_writer): Generated code must escape backslashes and quote
14460 marks (but not newlines) in the strings it writes.
14461 * Makefile.in (build/gencondmd.o): Update dependencies.
14463 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14466 * Makefile.in (insn-automata.o): Add header file dependencies.
14467 * genautomata.c: Add includes.
14469 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14472 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14474 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14476 * configure.ac: Expect target tools paths to be passed from the toplevel
14477 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14479 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14481 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14484 * c.opt (Wpointer-sign): Init to -1.
14485 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14486 OPT_pedantic, to 0 otherwise.
14487 * doc/invoke.texi: Update.
14489 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14491 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14492 constants provided by 80387 instructions in the destination mode.
14494 2006-01-26 Richard Guenther <rguenther@suse.de>
14495 Andrew Pinski <pinskia@physics.uc.edu>
14498 partial PR tree-opt/17064
14499 * tree-ssa-structalias.c (intra_create_variable_infos):
14500 Create heap variables for incoming parameters if
14501 flag_argument_noalias > 1.
14502 (find_what_p_points_to): Look through default defs of
14505 2006-01-26 Jeff Law <law@redhat.com>
14508 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14509 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14510 within the VR_RANGE, use the VR_RANGE as the result, not the
14512 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14513 bounds for the type.
14515 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14517 * tree-ssa-alias.c (maybe_create_global_var): Change
14518 subvar walking to an assertion that we don't have subvar'd variables.
14520 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14523 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14524 Use a new variable, inner. PARM_DECLs are always non-weak.
14526 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14528 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14529 --disable-checking.
14531 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14533 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14535 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14537 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14538 (smax_insn, smin_insn, smax_0, smin_0): New.
14540 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14543 * config/cris/cris.c (cris_order_for_addsi3): New function.
14544 * config/cris/cris-protos.h: Prototype it.
14545 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14546 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14547 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14548 (split for "op.S1 [rx=rx+i],ry (swapped)")
14549 (split for "op(s|u).S1 [rx=rx+i],ry")
14550 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14551 Apply cris_order_for_addsi3 when generating addsi3 insns.
14553 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14555 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14556 (TREE_BLOCK): Add call to EXPR_CHECK.
14558 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14561 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14562 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14563 (dump_omp_clauses): ... here.
14564 (dump_generic_node): Handle OMP_CLAUSE.
14565 * tree.c (omp_clause_num_ops): New.
14566 (omp_clause_code_name): New.
14567 (tree_code_size): Handle OMP_CLAUSE.
14568 (tree_size): Likewise.
14569 (make_node): Document handling of OMP_CLAUSE.
14570 (tree_node_structure): Handle OMP_CLAUSE.
14571 (omp_clause_check_failed): New.
14572 (omp_clause_range_check_failed): New.
14573 (omp_clause_operand_check_failed): New.
14574 (build_omp_clause): New.
14575 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14576 * tree.h (enum omp_clause_code): Declare.
14577 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14578 (OMP_CLAUSE_RANGE_CHECK): Define.
14579 (OMP_CLAUSE_ELT_CHECK): Define.
14580 (omp_clause_check_failed): Declare.
14581 (omp_clause_operand_check_failed): Declare.
14582 (omp_clause_range_check_failed): Declare.
14583 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14584 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14585 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14586 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14587 (OMP_CLAUSE_IF_EXPR): Likewise.
14588 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14589 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14590 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14591 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14592 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14593 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14594 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14595 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14596 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14597 (OMP_CLAUSE_CODE): Define.
14598 (OMP_CLAUSE_SET_CODE): Define.
14599 (OMP_CLAUSE_CODE): Define.
14600 (OMP_CLAUSE_OPERAND): Define.
14601 (struct tree_omp_clause): Declare.
14602 (union tree_node): Add field 'omp_clause'.
14603 * treestruct.def (TS_OMP_CLAUSE): Define.
14604 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14605 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14606 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14607 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14608 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14609 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14610 (OMP_CLAUSE): Define.
14611 * print-tree.c (print_node): Handle OMP_CLAUSE.
14612 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14613 * c-typeck.c: Likewise.
14614 * gimplify.c: Likewise.
14615 * c-omp.c: Likewise.
14616 * tree-nested.c: Likewise.
14617 * tree-inline.c: Likewise.
14618 * c-parser.c: Likewise.
14619 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14622 2006-01-25 Roger Sayle <roger@eyesopen.com>
14624 PR rtl-optimization/25703
14625 * combine.c (try_combine): Handle zero_extract and strict_low_part
14626 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14628 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14630 * global.c: Fix comment typos.
14632 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14635 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14636 Use output_addr_const instead of assemble_name.
14638 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14640 * Makefile.in (sched-vis.o): Update dependencies.
14641 * haifa-sched.c (sched_finish): Clear current_sched_info.
14642 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14643 (dump_flow_info): Call it.
14644 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14646 * basic-block.h (dump_bb_info): Declare.
14647 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14648 option, and apply options only for dump files whose TDF_RTL,
14649 TDF_TREE, or TDF_IPA bits match.
14650 * rtl.h: Declare new functions exported from sched-vis.c.
14651 * sched-vis.c: Enable also if scheduling is not used.
14652 (print_value): Print the mode of registers if not inside scheduling.
14653 (print_insn): Make it work outside the scheduler. Beautify the output
14655 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14657 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14659 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14660 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14661 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14662 depending on the value of CONSTANT_POOL_ADDRESS_P.
14663 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14665 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14666 rather than SYMBOL_REF_DECL.
14667 (rtx_constant_pool): Remove const_rtx_sym_htab.
14668 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14669 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14670 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14671 Remove handling of const_rtx_sym_htab.
14672 (find_pool_constant): Delete.
14673 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14674 rather than find_pool_constant.
14675 (get_pool_constant_for_function): Delete.
14676 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14677 find_pool_constant.
14678 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14679 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14680 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14681 (SYMBOL_REF_CONSTANT): New macro.
14682 (get_pool_constant_for_function): Delete.
14683 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14684 rather than SYMBOL_REF_DECL.
14685 (i386_pe_mark_dllimport): Likewise.
14686 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14687 rather than SYMBOL_REF_DECL.
14688 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14689 (machopic_indirect_call_target): Likewise.
14691 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14693 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14695 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14697 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14699 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14701 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14703 2006-01-24 David Daney <ddaney@avtrex.com>
14706 * configure.ac (enable_tls): New enable option.
14707 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14708 * configure: Regenerate.
14709 * doc/install.texi (--enable-tls): Document new option.
14710 (--disable-tls): Ditto.
14712 2006-01-24 Richard Henderson <rth@redehat.com>
14714 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14715 * alias.c (true_dependence): Respect it.
14716 (canon_true_dependence, write_dependence_p): Likewise.
14717 * builtins.c (get_builtin_sync_mem): Set it.
14719 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14721 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14724 2006-01-24 DJ Delorie <dj@redhat.com>
14726 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14727 for storing constants in single-bit bitfields.
14729 2006-01-25 Ben Elliston <bje@au.ibm.com>
14731 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14733 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14736 * tree-ssa-pre.c (phi_translate): Return NULL
14737 for AGGREGATE_TYPE's.
14739 2006-01-24 Zack Weinberg <zackw@panix.com>
14741 * genautomata.c (process_state_for_insn_equiv_partition):
14742 Use xcalloc for insn_arcs_array.
14743 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14744 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14746 2006-01-24 Richard Henderson <rth@redhat.com>
14748 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14749 update all callers.
14751 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14753 PR rtl-optimization/25890
14754 PR rtl-optimization/25905
14755 * combine.c (expand_compound_operation, expand_field_assignment):
14756 Fail if the bitfield's final position is out of bounds.
14758 2006-01-24 Ian Lance Taylor <ian@airs.com>
14760 PR middle-end/25930
14761 * cgraphunit.c (cgraph_output_in_order): Don't clear
14762 cgraph_asm_nodes until after asm strings have been output.
14764 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14766 * fix-header.c (read_scan_file): Add new parameter imultilib when
14767 calling register_include_chains.
14769 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14771 * omp-low.c: Update documentation.
14773 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14774 Daniel Berlin <dberlin@dberlin.org>
14778 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14779 return from the function.
14781 2006-01-22 Zack Weinberg <zackw@panix.com>
14783 * rtl.def (match_code): Add second argument.
14784 * genpreds.c (write_extract_subexp): New function.
14785 (write_match_code): Add path argument. Use write_extract_subexp.
14786 (write_predicate_expr): Pass path to write_match_code.
14787 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14788 not perform a mode test.
14789 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14790 a subexpression does not constrain the top-level code set.
14791 * read-rtl.c (read_rtx_variadic): New function.
14792 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14793 * doc/md.texi: Document new notation.
14794 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14795 (cmpsi_operand): ... here, using new notation.
14797 2006-01-22 Zack Weinberg <zackw@panix.com>
14799 * varray.c: Remove GENERATOR_FILE #ifdefs.
14801 2006-01-22 Zack Weinberg <zackw@panix.com>
14803 * genautomata.c (output_reserved_units_table): Emit nothing if
14804 description->query_units_num is zero. Remove extra blank line.
14805 (output_cpu_unit_reservation_p): Short circuit
14806 if description->query_units_num is zero.
14808 2006-01-22 Zack Weinberg <zackw@panix.com>
14810 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14811 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14812 nor any of the random handful of variables that used to be necessary
14813 when this program was linked with rtlanal.o. Prune set of forward
14814 function declarations.
14815 (struct attr_desc): Remove static_p field.
14816 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14817 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14818 (attr_string): Do not read the character one past the length of
14820 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14821 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14822 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14823 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14824 (make_automaton_attrs): New.
14825 (main): Do not call into genautomata. Call local gen_bypass
14826 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14827 Remove special case for insn_alts.
14828 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14829 varray.h (leftover from previous change). Prune set of forward
14830 function declarations. Remove state_alts fields from all
14831 structures. Remove state_alts_table from struct automaton.
14832 Make everything except main static. Do not maintain num_dfa_decls.
14833 Do not maintain state_alts fields of various structures.
14834 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14835 (add_arc): Remove state_alts argument. All callers updated.
14836 (output_reserved_units_table): Emit #ifdef here...
14837 (output_tables): ...not here. Don't generate state_alts tables.
14838 (expand_automata): Don't generate attributes.
14839 (write_automata): Don't generate state_alts functions.
14840 (main): New function.
14841 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14842 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14843 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14844 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14845 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14846 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14847 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14848 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14850 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14851 * genattrtab.h: Delete file.
14852 * Makefile.in (OBJS-common): Add insn-automata.o.
14853 (insn-automata.o): New rule.
14854 (simple_generated_c): Add insn-automata.c.
14855 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14856 (genprogmd): Add automata.
14857 (build/genattrtab): Needs no extra objects nor libraries.
14858 (build/genautomata): Needs build/vec.o and -lm.
14860 2006-01-22 Zack Weinberg <zackw@panix.com>
14862 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14863 (output_dfa_max_issue_rate, locked_states_num): Delete.
14864 (struct automaton): Add locked_states field.
14865 (output_dead_lock_vect): Save number of locked states in
14866 automaton->locked_states. If it is zero, don't print anything.
14867 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14868 (output_internal_dead_lock_func): Only test the dead_lock_vect
14869 for automata that have locked states.
14870 (output_statistics): Always print the number of locked states for
14871 each automaton. Calculate total number of locked states here.
14872 (write_automata): Don't call output_dfa_max_issue_rate.
14873 * genattrtab.c: Define length_unit_log as a const variable.
14874 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14875 max_insn_queue_index const.
14876 * final.c (length_unit_log): Declare const.
14877 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14879 2006-01-22 Zack Weinberg <zackw@panix.com>
14881 * genautomata.c: Include vec.h, not varray.h.
14882 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14883 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14884 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14885 VEC_* macros operating on appropriately typed vectors, or to
14886 malloced arrays when the size is known in advance. Const-ify
14887 many char* variables and function arguments. No functional changes.
14888 * Makefile.in (build/varray.o): Delete rule.
14889 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14890 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14892 2006-01-22 Zack Weinberg <zackw@panix.com>
14894 * gensupport.c: Define get_insn_name and record_insn_name here.
14895 (read_md_rtx): Call record_insn_name as appropriate.
14896 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14897 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14898 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14900 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14901 (BUILD_VARRAY): Delete.
14902 (genprognormal): Rename genprogmd. Fold in all programs from
14903 genprognoprint; also attrtab.
14904 (build/genattrtab): Just mention genautomata.o and varray.o.
14905 Reorganize a bit, add comments to make the categories clearer.
14907 2006-01-22 Zack Weinberg <zackw@panix.com>
14909 * genconditions.c (condition_table, add_condition): Delete.
14910 (write_conditions): Don't emit n_insn_conditions nor
14911 insn_elision_unavailable. Issue the gcc version #ifdef here,
14912 inside the table, with no #else clause ...
14913 (write_header): ...not here.
14914 (write_writer): New function.
14915 (main): Don't initialize condition_table. Use add_c_test.
14917 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14918 files on the command line.
14919 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14920 Return -1 if there is no entry in the table, don't abort.
14921 (add_c_test, traverse_c_tests): New functions.
14922 * gensupport.h (insn_elision_unavailable, insn_conditions)
14923 (n_insn_conditions): Delete declarations.
14924 (add_c_test, traverse_c_tests): Declare.
14925 * read-rtl.c: Include gensupport.h.
14926 (read_conditions): New function.
14927 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14928 (read_rtx_1): If we get EOF when we were looking for an initial
14929 open paren, return 0. Call read_conditions when appropriate.
14930 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14931 dummy-conditions.o. Eliminate references to insn-conditions.o,
14932 or change them to build/gencondmd.o, as appropriate. Remove
14933 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14934 from $(simple_generated_c). For all files remaining in those
14935 two lists, add insn-conditions.md to the generator command line.
14936 Give insn-constants.h/s-constants their own rules. Add rules
14937 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14938 (build/read-rtl.o): Depend on gensupport.h.
14939 (genprognormal): Include preds.
14940 (genprogearly): Rename genprognoprint; only difference is now that
14941 they don't link with $(BUILD_PRINT).
14942 * dummy-conditions.c: Delete.
14944 2006-01-22 Zack Weinberg <zackw@panix.com>
14946 * genextract.c: Don't include insn-config.h. Do include vec.h.
14947 Declare vectors of int, char, and locstr.
14948 (locstr): New typedef.
14949 (struct extraction): Make all array fields into bare pointers.
14950 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14951 (insn_code_number): Delete.
14952 (accum_extract): New struct.
14953 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14954 (gen_insn): Take insn_code_number as an argument. Use an
14955 accum_extract structure instead of loading data directly into
14956 a struct extraction, and having to know how big it might get.
14957 (walk_rtx): Operate entirely on an accum_extract structure.
14958 (print_path): Avoid unnecessary use of printf.
14959 (print_header): New function, split out of main. Distinguish
14960 more carefully between an unrecognizable insn and an insn that
14961 has the code number of a define_expand.
14962 (main): Pass insn_code_number to gen_insn. Call print_header
14963 only after parsing. Avoid unnecessary use of printf.
14964 * Makefile.in (build/vec.o): New rule.
14965 (build/genextract): Depend on build/vec.o.
14966 (build/genextract.o): Don't depend on insn-config.h.
14968 2006-01-22 Zack Weinberg <zackw@panix.com>
14970 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14971 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14972 practical. Eliminate per-generator-program link rules.
14974 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14976 PR middle-end/24437
14977 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14978 with a call expr to ...
14979 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14981 2006-01-23 Richard Guenther <rguenther@suse.de>
14983 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14984 before make_edge with conditional EDGE_TRUE_VALUE.
14986 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14987 Jan Hubicka <jh@suse.cz>
14988 Richard Guenther <rguenther@suse.de>
14990 PR rtl-optimization/25654
14991 * cfgexpand.c (aggregate_contains_union_type): New function.
14992 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14993 for structure variables that contain a union type.
14995 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14997 * gengtype.c (new_structure): Return the structure.
14998 (create_option): Add an extra "next" argument.
14999 (create_field): New function.
15000 (adjust_field_rtx_def): Use create_option and create_field.
15001 Remove a now-unnecessary call to find_structure.
15002 (adjust_field_tree_def): Likewise.
15003 (note_yacc_type): Remove an unnecessary call to find_structure.
15004 * gengtype.h (new_structure): Return the structure.
15005 (create_option): Add an extra argument.
15006 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15007 (option): Adjust calls to create_option.
15009 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15011 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15013 2006-01-22 Paul Brook <paul@codesourcery.com>
15014 Peter Barada <peter@the-baradas.com>
15016 * config/m68k/m68k.md: Add Coldfire FPU support.
15017 Define FP mode macro and associated attributes.
15018 Use it for float mode patterns.
15019 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15020 (LIBCALL_VALUE): Use m68k_libcall_value.
15021 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15022 (m68k_function_value): Ditto.
15023 (emit_move_sequence): Ditto.
15024 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15025 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15026 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15027 (MULTILIB_EXCEPTIONS): Ditto.
15028 * config/m68k/m68k.opt: Add mcfv4e.
15029 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15030 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15031 (m68k_output_function_prologue): Save ColdFire FPU registers.
15032 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15033 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15034 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15035 ColdFire FPU registers.
15036 (m68k_libcall_value, m68k_function_value): New functions.
15037 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15038 (LIBCALL_VALUE): Use m68k_libcall_value.
15039 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15040 (MASK_COLDFIRE): Add MASK_CFV4E.
15041 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15042 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15043 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15044 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15045 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15046 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15047 * doc/invoke.tex: Document -mcfv4e on m68k.
15049 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15051 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15054 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15057 * c-opts.c (c_common_handle_option): Don't include
15058 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15059 * doc/invoke.texi (C++ Dialect Options): Document that
15060 -Wnon-virtual-dtor is no longer included in -Wall.
15062 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15064 * gcov.c (print_version), gcov-dump.c (print_version),
15065 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15068 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15070 * df-scan.c (problem_SCAN): Added NULL reset function.
15071 (df_scan_reset_blocks): Added code to call reset block function
15072 (df_bb_refs_delete) Fixed comment.
15073 (df_insn_refs_delete): Made tolerant of deleting non existent info
15074 for dataflow problems that need to be reset.
15075 * df-core.c (df_set_blocks): Ditto.
15076 * df.h (struct df_problem): Added reset_fun.
15077 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15078 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15079 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15080 functions to clear out all references to def-use or use-def chains.
15082 2006-01-21 Ben Elliston <bje@au.ibm.com>
15084 * varasm.c (assemble_real): Initialise data array.
15086 2006-01-20 Paul Brook <paul@codesourcery.com>
15088 Merge from csl-arm-branch.
15089 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15090 * config/arm/arm.md (movdi): Force operands[1] to a register
15091 if we have a non-register source.
15092 (*arm_movdi, *movdf_soft_insn): Require that one of the
15093 operands be a register.
15094 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15095 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15097 2006-01-20 DJ Delorie <dj@redhat.com>
15099 * varasm.c (initializer_constant_valid_p): Allow pointers
15100 initialized from integer constants of lesser precision.
15101 (output_constant): Allow non-int-sized pointer modes to be
15102 initialized from integer constants.
15104 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15107 * cppdefault.h (struct default_include): Add multilib flag.
15108 * cppdefault.c (cpp_include_defaults): Set it.
15109 * c.opt (-imultilib): New option.
15110 * c-opts.c (imultilib): New.
15111 (c_common_handle_option): Handle -imultilib.
15112 (c_common_post_options): Likewise.
15113 * c-incpath.c (add_standard_paths, register_include_chains):
15115 * c-incpath.h (register_include_chains): Add extra parameter.
15116 * gcc.c (do_spec_1): Generate -imultilib option.
15117 (The Specs Language): Update %I description.
15118 (process_command): Update copyright notice.
15119 * doc/cppopts.texi (-imultilib): Document.
15120 * doc/invoke.texi (-imultilib): Include in option summary.
15121 (%I): Update specs documentation.
15123 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15125 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15127 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15129 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15132 2006-01-20 Richard Guenther <rguenther@suse.de>
15133 Steven Bosscher <stevenb.gcc@gmail.com>
15135 PR rtl-optimization/24626
15136 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15137 EDGE_TRUE_VALUE if in RTL mode.
15140 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15141 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15143 2006-01-20 Dirk Mueller <dmueller@suse.com>
15146 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15147 instead of a special NOP marker.
15148 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15149 NOP marker handling.
15150 * c-common.h (empty_body_warning): Add forward declaration.
15151 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15152 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15154 2006-01-20 Paul Brook <paul@codesourcery.com>
15156 * Makefile.in (lang_checks): Keep going if mkdir fails.
15158 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15160 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15161 be able to clean out basic block when not necessary.
15162 (df_scan_free): Fixed to properly delete information if df is
15163 unused before calling df_finish.
15164 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15165 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15167 (df_bb_refs_delete): New function.
15168 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15169 * df-core.c (df_set_blocks): Added code to properly clean out
15170 unused blocks if they are not part of the blocks to consider.
15171 Added additional null check.
15172 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15173 be able to clean out basic block when not necessary
15174 * df.h (df_free_bb_function): Ditto.
15175 (df_bb_refs_delete): New function.
15176 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15177 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15178 basic block parameter to be able to clean out basic block when not
15180 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15181 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15182 Fixed to properly delete information if df is unused before
15185 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15187 PR rtl-optimization/25799
15188 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15189 Corrected confluence operator to remove bits from op2 before oring
15190 with op1 rather than removing bits from op1.
15191 (df_ru_transfer_function): Corrected test on wrong bitmap which
15192 caused infinite loop. Both of these problems were introduced in
15193 the dataflow rewrite.
15195 2006-01-19 DJ Delorie <dj@redhat.com>
15197 * reload1.c (find_reload_regs): Note the details of reload
15198 failures in the dump file.
15199 (spill_failure): Likewise.
15201 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15203 * loop-iv.c: Include df.h and hashtab.h.
15204 (enum iv_grd_result): New enum.
15205 (DF_REF_IV, DF_REF_IV_SET): New macros.
15206 (struct biv_entry): New.
15207 (df, bivs): New global variables.
15208 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15209 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15211 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15212 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15213 analyzed_for_bivness_p, record_biv): New functions.
15214 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15215 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15216 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15218 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15220 (iv_number_of_iterations): Use new interface to iv analysis.
15221 * loop-unroll.c: Do not include varray.h.
15222 (analyze_iv_to_split_insn): Use new interface to iv
15224 * loop-unswitch.c (may_unswitch_on): Ditto.
15225 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15227 (df_bb_modify): Realloc tables to the new index.
15228 (df_find_use): New function.
15229 * df.h (df_find_use): Declare.
15230 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15232 * cfgloop.h (struct rtx_iv): Remove analysed field.
15233 (iv_get_reaching_def): Removed.
15234 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15235 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15236 (loop-iv.o): Add df.h and hashtab.h dependency.
15237 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15239 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15242 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15244 (__floatundisf, __floatundidf): Likewise.
15245 * libgcc2.h (IS_IBM_EXTENDED): Define.
15247 2006-01-19 DJ Delorie <dj@redhat.com>
15249 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15251 2006-01-19 Paul Brook <paul@codesourcery.com>
15253 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15254 as nothrow when unwinding tables are disabled.
15256 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15259 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15260 of bit-field" when in system header.
15262 2006-01-19 DJ Delorie <dj@redhat.com>
15264 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15265 the 16 bit shift limit of the m16c.
15267 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15270 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15271 * config/i386/i386.c (output_set_got): Output the label if we have one
15272 for the TARGET_DEEP_BRANCH_PREDICTION case.
15274 2006-01-19 Jan Hubicka <jh@suse.cz>
15275 H.J. Lu <hongjiu.lu@intel.com>
15276 Evandro Menezes <evandro.menezes@amd.com>
15278 * invoke.texi (generic): Document
15280 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15281 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15282 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15283 (x86_use_incdec, x86_pad_returns): New variables
15284 (TARGET_CPU_DEFAULT_generic): New constant
15285 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15286 (enum processor_type): Add generic32 and generic64.
15287 * i386.md (cpu attribute): Add generic32/generic64
15288 (movhi splitter): Behave sanely when both partial_reg_dependency and
15289 partial_reg_stall are set.
15290 (K8 splitters): Enable for generic as well.
15291 * predicates.md (incdec_operand): Use TARGET_INCDEC
15292 (aligned_operand): Avoid memory mismatch stalls.
15293 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15294 * ppro.md: Enable for generic32
15295 * i386.c (generic64_cost, generic32_cost): New.
15296 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15297 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15298 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15299 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15300 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15301 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15302 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15303 x86_accumulate_outgoing_args, x86_prologue_using_move,
15304 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15305 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15306 Enable for generic.
15307 (x86_use_incdec, x86_pad_returns): New.
15308 (override_options): Add generic32 and generic64, translate "generic"
15309 to generic32/generic64 and "i686" to "generic32", refuse
15310 "generic32"/"generic64" as arch target.
15311 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15312 (ix86_reorg): Honor PAD_RETURNS.
15314 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15316 * tree-pretty-print.c (dump_generic_node): Handle
15317 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15318 * cgraph.c (cgraph_expand_queue): Rename from
15319 cgraph_analyze_queue. Update all users.
15320 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15321 cgraph_expand_queue.
15322 (cgraph_expand_all_functions): Likewise.
15323 (cgraph_finalize_pending_functions): Remove. Update callers.
15325 * tree.h (OMP_DIRECTIVE_P): Define.
15326 (OMP_PARALLEL_FN): Define.
15327 (OMP_PARALLEL_DATA_ARG): Define.
15328 (OMP_SECTIONS_SECTIONS): Define.
15329 * tree-pass.h (pass_expand_omp): Declare.
15330 * omp-low.c (struct omp_region): Declare.
15331 (struct omp_context): Remove fields 'parallel_type',
15332 'parallel_start_ix' and 'parallel_start_additional_args'.
15334 (struct omp_for_data): Rename from struct expand_omp_for_data.
15335 (omp_regions): New static variable.
15336 (root_omp_region): New static variable.
15337 (find_omp_clause): Make static.
15338 (is_in_combined_parallel_ctx): Remove.
15339 (is_combined_parallel): New.
15340 (extract_omp_for_data): Move earlier in the file.
15341 (workshare_safe_to_combine_p): New.
15342 (get_ws_args_for): New.
15343 (determine_parallel_type): Move earlier in the file.
15344 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15346 (omp_copy_decl): Likewise.
15347 (create_omp_child_function): Likewise.
15348 (lookup_omp_region): New.
15349 (dump_omp_region): New.
15350 (debug_omp_region): New.
15351 (debug_all_omp_regions): New.
15352 (new_omp_region): New.
15353 (scan_omp_parallel): If parallel_nesting_level > 1, the
15354 directive is nested within another parallel directive.
15355 Set OMP_PARALLEL_FN.
15356 (scan_omp_for): Do not try to handle combined parallel+for
15358 Remove FIXME comment.
15359 (scan_omp_nested): Remove.
15360 (scan_omp_1): Do not call scan_omp_nested when
15361 parallel_nesting_level is > 1.
15362 Do not change the DECL_CONTEXT of local variables found.
15363 (lookup_decl_in_outer_ctx): New.
15364 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15365 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15366 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15367 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15368 If CTX is nested, lookup VAR in the outer context when
15369 building copy assignment.
15370 (lower_send_clauses): Rename from expand_send_clauses.
15371 If CTX is nested, lookup VAR in the outer context when
15372 building copy assignments.
15373 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15374 If CTX is nested, lookup VAR in the outer context when
15375 building copy assignments.
15376 (expand_parallel_call): Rename from build_parallel_call.
15377 Handle combined parallel+workshare cases.
15378 Re-implement to emit code into the CFG.
15380 (expand_omp_parallel): Re-implement to emit code into the CFG.
15381 Call move_sese_region_to_fn to outline the sub-graph
15382 containing the parallel region.
15383 (expand_omp_for_1): Remove.
15384 (expand_omp_for_generic): Re-implement to emit code into the
15386 (expand_omp_for_static_nochunk): Likewise.
15387 (expand_omp_for_static_chunk): Likewise.
15388 (expand_omp_for): Likewise.
15389 (expand_omp_sections): Likewise.
15390 (remove_exit_barriers): New.
15391 (expand_omp_synch): New.
15393 (build_omp_regions_1): New.
15394 (build_omp_regions): New.
15395 (execute_expand_omp): New.
15396 (gate_expand_omp): New.
15397 (pass_expand_omp): Define.
15398 (lower_omp_sections): Rename from expand_omp_sections.
15399 Set OMP_SECTIONS_SECTIONS.
15400 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15401 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15402 (lower_omp_single): Rename from expand_omp_simple.
15403 (lower_omp_master): Rename from expand_omp_master.
15404 (lower_omp_ordered): Rename from expand_omp_ordered.
15405 (lower_omp_critical): Rename from expand_omp_critical.
15406 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15407 (lower_omp_for): Re-implement.
15408 (lower_omp_parallel): Re-implement.
15409 (lower_regimplify): Rename from expand_regimplify.
15410 (lower_omp_1): Rename from expand_omp_1.
15411 If there are syntax errors in the program, replace every
15412 OpenMP directive with NOP.
15413 Call lower_omp_* instead of expand_omp_*.
15414 (lower_omp): Rename from expand_omp.
15416 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15417 * tree-gimple.h (enum omp_parallel_type): Remove.
15418 (gimple_boolify): Declare extern.
15419 (find_omp_clause, determine_parallel_type): Remove.
15421 * gimple-low.c (lower_omp_directive): New.
15422 (lower_stmt): Call it.
15423 (record_vars_into): Move from ...
15424 (record_vars): ... here.
15425 Call record_vars_into with current_function_decl.
15427 * gimplify.c (struct gimplify_ctx): Remove fields
15428 combined_pre_p and combined_ctxp. Update users.
15429 (get_formal_tmp_var): Add documentation.
15430 (gimple_boolify): Make extern.
15431 (gimplify_expr_in_ctx): Remove. Update callers.
15432 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15433 will always be a BIND_EXPR.
15434 (gimplify_expr): Handle OMP_RETURN_EXPR.
15435 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15436 (OMP_PARALLEL): Add 3 operands.
15437 (OMP_SECTIONS): Add 1 operand.
15438 (OMP_RETURN_EXPR): Define.
15440 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15441 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15442 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15443 creating a circular free list.
15444 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15446 * tree-flow.h (move_sese_region_to_fn): Declare.
15447 (record_vars_into): Declare.
15448 * tree-cfg.c (make_omp_sections_edges): New.
15449 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15450 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15451 OMP_SECTIONS and OMP_SECTION.
15452 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15453 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15454 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15455 (gather_blocks_in_sese_region): New.
15456 (struct move_stmt_d): Declare.
15457 (move_stmt_r): New.
15458 (move_block_to_fn): New.
15459 (move_sese_region_to_fn): New.
15461 * passes.c (init_optimization_passes): Schedule
15462 pass_expand_omp after pass_init_datastructures.
15464 * tree-ssa-operands.c (get_expr_operands): Handle
15465 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15466 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15468 2006-01-19 Jeff Law <law@redhat.com>
15470 * tree-vrp.c (extract_range_from_assert): Refine the result range
15471 if the variable referenced by the ASSERT_EXPR has a range and
15472 either the tentative result range or the previous range is a
15475 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15477 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15479 2006-01-19 Jan Hubicka <jh@suse.cz>
15481 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15483 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15485 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15486 (expand_compound_operation, expand_field_assignment): Fail if the
15487 bit lengths of an extract operation are out of range.
15488 (make_extraction): Compute wanted_inner_mode based on the position
15489 and length of the extraction. Make it extraction_mode for non-constant
15490 positions, and do not modify offset in that case. When generating a
15491 new MEM, use a mode that can hold the extraction while keeping correct
15492 alignment. Remove code that supported MEMs wrapped by USEs.
15493 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15495 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15497 * config/s390/s390.md ("Y", "y"): New mode attribute.
15498 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15499 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15500 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15501 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15502 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15503 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15504 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15505 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15506 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15507 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15508 "addsi3", "subsi3"): Insn patterns removed.
15509 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15510 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15511 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15512 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15513 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15514 "*sub<mode>3_cconly2"): New insn patterns.
15515 ("addsi3", "subsi3"): New expanders.
15517 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15519 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15520 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15521 existing STMT_VINFO_VECTYPE if available.
15522 (vect_mark_relevant): Add special handling for stmts that are
15523 marked as STMT_VINFO_IN_PATTERN_P.
15524 (vect_analyze_loop): Call vect_pattern_recog.
15525 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15526 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15528 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15529 (vect_recog_func_ptr): New function-pointer type.
15530 * tree-vect-patterns.c: New file.
15531 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15532 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15533 (vect_pattern_recog_1): New functions.
15534 (vect_pattern_recog_funcs): New array of function pointers.
15536 * tree-vectorizer.h (ternary_op): New enum value.
15537 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15538 declaration. Revised documentation. Removed redundant dump prints.
15539 Removed redundant argument. Added support for reduction patterns.
15540 (vectorizable_reduction): Added support for reduction patterns.
15541 (vect_transform_stmt): Added support for patterns.
15543 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15544 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15545 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15546 (expand_widen_pattern_expr): New function.
15547 (init_optabs): Initialize new optabs udot_prod_optab,
15549 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15550 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15551 (expand_widen_pattern_expr): New function declaration.
15552 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15554 * tree-inline.c (estimate_num_insns_1): Added cases for new
15555 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15556 * tree-pretty-print.c (dump_generic_node): Likewise.
15557 (op_prio): Likewise.
15558 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15559 * tree-ssa-operands.c (get_expr_operands): Added case for
15561 * tree-vect-patterns.c (widened_name_p): New function.
15562 (vect_recog_dot_prod_pattern): Added function implementation.
15563 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15564 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15565 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15566 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15568 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15569 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15570 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15571 (init_optabs): Initialize new optabs widen_ssum_optab,
15573 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15574 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15575 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15576 use instead of type of def.
15577 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15578 function implementation.
15579 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15580 widen_ssumv8hi): New.
15582 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15585 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15588 * c-decl.c (add_flexible_array_elts_to_size): New function.
15589 (finish_decl): Use it.
15591 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15593 * diagnostic.h: Include options.h.
15594 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15595 dependancies for diagnostic.h.
15596 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15598 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15600 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15601 (ssa_ro_call_cache_valid): Ditto.
15602 * tree-ssa-alias.c (sort_tags_by_id): New function.
15603 (init_transitive_clobber_worklist): Ditto.
15604 (add_to_worklist): Ditto.
15605 (mark_aliases_call_clobbered): Ditto.
15606 (compute_tag_properties): Ditto.
15607 (set_initial_properties): Ditto.
15608 (compute_call_clobbered): Ditto.
15609 (compute_may_aliases): Call compute_call_clobbered and grouping.
15610 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15611 (compute_flow_insensitive_aliasing): Grouping now happens in our
15613 (setup_pointers_and_addressables): Remove clobbering related code.
15614 (add_may_alias): Ditto.
15615 (replace_may_alias): Ditto.
15616 (get_nmt_for): Ditto.
15617 (create_global_var):
15618 (is_escape_site): Return an escape_type enumeration.
15619 * tree-flow-inline.h (is_call_clobbered): Global var does not
15620 imply call clobbered.
15621 (mark_call_clobbered): Take a reason for marking this. Remove
15622 marking of globalness, and cache invalidation.
15623 (clear_call_clobbered): Remove cache invalidation code.
15624 * tree-dfa.c (dump_variable): If details is on, dump the reason
15626 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15628 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15629 (struct var_ann_d): Ditto.
15630 (enum escape_type): New.
15631 (mark_call_clobbered): Adjust prototype.
15632 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15633 are never call clobbered.
15634 Record reasons for escaping.
15635 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15636 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15637 (ssa_ro_call_cache_valid): Ditto.
15638 (clobbered_v_may_defs): Ditto.
15639 (clobbered_vuses): Ditto.
15640 (ro_call_vuses): Ditto.
15641 (clobber_stats): New.
15642 (init_ssa_operands): Zero out clobber stats.
15643 (fini_ssa_operands): Print out clobber stats.
15644 (get_call_expr_operands): Pass callee fndecl to
15645 add_call_read_ops).
15646 (add_call_clobber_ops): Remove use of cache.
15647 Add use of PURE_CONST information.
15648 (add_call_read_ops): Remove use of cache.
15649 Add use of static not_read information.
15651 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15653 Introduce TLS descriptors for i386 and x86_64.
15654 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15655 (TARGET_ANY_GNU_TLS): New macro.
15656 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15657 (struct machine_function): Add tls_descriptor_call_expanded_p.
15658 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15659 (ix86_current_function_calls_tls_descriptor): Likewise.
15660 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15661 (override_options): Introduce gnu2 tls dialect.
15662 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15664 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15666 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15667 (ix86_init_machine_status): Initialize new field.
15668 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15669 (ix86_tls_module_base): New.
15670 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15671 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15672 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15673 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15674 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15675 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15676 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15677 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15678 * config/i386/predicates.md (tls_modbase_operand): New.
15679 (tp_or_register_operand): New.
15681 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15683 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15684 (look_for_address_of): Ditto.
15685 (ipa_init): Walk the function decls.
15686 (static_execute): Don't set readonly on FUNCTION_DECL's.
15688 2006-01-18 Roger Sayle <roger@eyesopen.com>
15690 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15691 for shifts where the source and destination registers are different.
15693 2006-01-18 Paul Brook <paul@codesourcery.com>
15695 Merge from csl-arm-branch.
15696 2005-03-14 Julian Brown <julian@codesourcery.com>
15697 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15698 (aeabi_llsl): Likewise.
15699 (ashrdi3): Likewise.
15700 (aeabi_lasr): Likewise.
15701 (lshrdi3): Likewise.
15702 (aeabi_llsr): Likewise.
15703 2005-03-10 Julian Brown <julian@codesourcery.com>
15704 * config.gcc: Disable shared libgcc for SymbianOS.
15705 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15707 2006-01-18 DJ Delorie <dj@redhat.com>
15709 * c-pragma.c (handle_pragma_diagnostic): New.
15710 (init_pragma): Register it.
15711 * doc/extend.texi: Document it.
15713 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15714 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15715 (diagnostic_context): Add classify_diagnostic[].
15716 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15717 as errors if they're overridden to DK_WARNING.
15718 (diagnostic_initialize): Initialize classify_diagnostic[].
15719 (diagnostic_set_kind_override): New.
15720 (diagnostic_report_diagnostic): Check for kind changes.
15721 * opts.c (common_handle_option): Take lang_mask. Update callers.
15722 Handle OPT_Werror_.
15723 * common.opt (Werror=): New.
15724 * doc/invoke.texi: Document -Werror=*
15726 2006-01-18 Jeff Law <law@redhat.com>
15728 * tree-vrp.c (test_for_singularity): Correct test for new
15729 min limit. Use operand_equal_p rather than pointer equality
15730 for testing if new min/max values are equal.
15732 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15733 using range information until after propagation and folding.
15735 2006-01-18 Richard Henderson <rth@redhat.com>
15736 Aldy Hernandez <aldyh@redhat.com>
15737 Jakub Jelinek <jakub@redhat.com>
15738 Diego Novillo <dnovillo@redhat.com>
15740 * omp-low.c: New file.
15741 * c-omp.c: New file.
15743 2006-01-18 Richard Henderson <rth@redhat.com>
15744 Jakub Jelinek <jakub@redhat.com>
15745 Diego Novillo <dnovillo@redhat.com>
15747 * doc/invoke.texi: Document -fopenmp.
15748 * tree-dump.h (debug_function): Declare.
15749 * hooks.c (hook_bool_tree_bool_false): New function.
15750 (hook_tree_tree_null): Remove.
15751 (hook_tree_tree_tree_null): New.
15752 * hooks.h: Update to match.
15753 * tree-pretty-print.c (debug_tree_chain): New.
15754 (print_generic_expr): Handle TDF_CHAIN.
15755 (dump_generic_node): Handle BLOCK.
15756 Do not abort with incomplete SWITCH_EXPRs.
15757 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15758 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15759 print space after directive name.
15760 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15761 Handle OMP_MASTER and OMP_ORDERED.
15762 Handle printing of OMP_BODY just in one place, goto
15763 dump_omp_body in the rest of OMP_* nodes that have
15765 Don't handle clause nodes here. Update omp statements to
15766 use dump_omp_clauses.
15767 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15768 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15769 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15770 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15771 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15772 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15773 Adjust output for GOMP_PARALLEL.
15774 (dump_omp_clauses): New.
15775 (print_declaration): Dump DECL_VALUE_EXPR.
15776 (op_symbol_1): Split out of op_symbol.
15777 (dumping_stmts): Remove. Update all users.
15778 * cgraph.c (cgraph_analyze_queue): New.
15779 (cgraph_add_new_function): New.
15780 * cgraph.h (cgraph_analyze_queue): Declare.
15781 (cgraph_add_new_function): Declare.
15782 (cgraph_lower_function): Remove.
15783 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15784 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15785 and TYPE_P nodes in its default clause.
15786 (empty_body_p): New.
15787 (tree_range_check_failed): New.
15788 (build5_stat): New.
15789 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15790 OMP_CLAUSE_REDUCTION_MERGE,
15791 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15792 OMP_CLAUSE_PRIVATE_DEBUG,
15793 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15794 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15795 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15796 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15797 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15798 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15799 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15800 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15801 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15802 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15803 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15804 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15805 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15806 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15807 (TREE_RANGE_CHECK): New.
15808 (empty_body_p): Declare.
15809 (enum omp_clause_default_kind): New.
15810 (build_string_literal): Declare.
15811 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15812 (build5_stat, build5): Declare.
15813 * tree-pass.h (TDF_CHAIN): Define.
15814 * tree-pass.h (PROP_gimple_lomp): Define.
15815 (pass_lower_omp): Declare.
15816 * diagnostic.h (debug_tree_chain): Declare.
15817 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15819 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15820 * builtins.c (build_string_literal): Make extern.
15821 * gcc.c (include_spec_function): New.
15822 (static_spec_functions): Add it.
15823 (main): Move load of libgomp.spec ...
15824 (LINK_COMMAND_SPEC): ... here.
15825 (link_gomp_spec): New.
15826 (static_specs): Include it.
15827 (LINK_COMMAND_SPEC): Add link_gomp.
15828 (GOMP_SELF_SPECS): New.
15829 (driver_self_specs): Include it.
15830 (switch_matches): Don't mark inline.
15831 (main): Load libgomp.spec.
15832 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15833 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15834 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15835 * tree-gimple.h (enum omp_parallel): Declare.
15836 (determine_parallel_type): Declare.
15837 (omp_firstprivatize_variable): Declare.
15838 (omp_reduction_init): Declare.
15839 (diagnose_omp_structured_block_errors): Declare.
15840 (struct walk_stmt_info): Add want_return_expr.
15841 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15842 (find_omp_clause): Declare.
15843 (insert_field_into_struct): Declare.
15844 (struct walk_stmt_info): Move from tree-nested.c
15845 (walk_stmts): Declare.
15846 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15848 * cgraphunit.c (cgraph_lower_function): Make static.
15849 (cgraph_finalize_pending_functions): New.
15850 (cgraph_finalize_function): Call it.
15851 (cgraph_finalize_compilation_unit): Likewise.
15852 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15853 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15854 (BT_FN_UINT_UINT): New.
15855 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15856 DEF_FUNCTION_TYPE_VAR_4): Document.
15857 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15858 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15859 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15860 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15861 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15862 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15863 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15864 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15865 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15866 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15867 into separate files.
15868 (DEF_GOMP_BUILTIN): New.
15869 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15870 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15871 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15872 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15873 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15874 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15875 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15876 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15877 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15878 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15879 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15880 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15881 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15882 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15883 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15884 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15885 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15886 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15887 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15888 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15889 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15890 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15891 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15892 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15893 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15894 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15895 * sync-builtins.def: New file, moved from builtins.def.
15896 * omp-builtins.def: New file, moved from builtins.def.
15897 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15898 * gimple-low.c (lower_function_body): Clear data.
15899 (lower_stmt): Do not handle COMPOUND_EXPR.
15900 Remove call to print_node_brief.
15901 * c-tree.h (c_finish_omp_clauses): New prototype.
15902 (C_DECL_THREADPRIVATE_P): Define.
15903 (lookup_name_no_remap, c_omp_remap_private): Remove
15904 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15905 (check_for_loop_decls): Update decl.
15906 (lookup_name_no_remap, c_omp_remap_private): Declare.
15907 (build_indirect_ref, build_modify_expr, pushdecl,
15908 pushdecl_top_level): Move to c-common.h.
15909 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15910 before the switch, but just in the 2 places that need it.
15911 * c-decl.c (diagnose_mismatched_decls): Do not check for
15912 mismatched thread-local attributes when OLDDECL is marked
15913 threadprivate and NEWDECL has no thread-local attributes.
15914 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15915 (c_gimple_diagnostics_recursively): Rename from
15916 c_warn_unused_result_recursively. Invoke
15917 diagnose_omp_structured_block_errors.
15918 (check_for_loop_decls): Return a singular decl found.
15919 * langhooks.c (lhd_omp_predetermined_sharing): Return
15920 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15921 (lhd_omp_firstprivatize_type_sizes): New.
15922 (lhd_omp_assignment): New.
15923 (lhd_omp_predetermined_sharing): New.
15924 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15925 (struct lang_hooks_for_types): Add
15926 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15927 omp_predetermined_sharing, omp_disregard_value_expr,
15928 omp_private_debug_clause, omp_clause_default_ctor,
15929 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15930 (c_finish_omp_clauses): New.
15931 (c_finish_bc_stmt): Diagnose break within omp for.
15932 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15933 (build_unary_op): Return error_mark after reporting
15935 (build_modify_expr): Likewise.
15936 * gimplify.c: Include optabs.h and pointer-set.h.
15937 (enum gimplify_omp_var_data): Declare.
15938 (struct gimplify_omp_ctx): Declare.
15939 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15941 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15942 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15943 (splay_tree_compare_decl_uid): New.
15944 (new_omp_context): New.
15945 (delete_omp_context): New.
15946 (gimple_add_tmp_var): Call omp_add_variable.
15947 (gimplify_bind_expr): Likewise.
15948 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15949 true, disregard DECL_VALUE_EXPR on the decl if any.
15950 (gimplify_expr_in_ctx): New.
15951 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15952 omp_add_variable, omp_notice_variable, omp_is_private
15953 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15954 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15955 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15956 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15957 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15958 gimplify_omp_atomic): New.
15959 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15960 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15961 OMP_CRITICAL and OMP_ATOMIC.
15962 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15963 * c-pragma.h (enum pragma_kind): Add
15964 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15965 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15966 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15967 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15968 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15969 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15970 PRAGMA_OMP_THREADPRIVATE.
15971 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15972 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15973 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15974 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15975 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15976 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15977 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15978 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15979 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15980 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15981 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15982 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15983 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15985 (struct nesting_info): Add field_map,
15986 suppress_expansion, debug_var_chain.
15987 (create_nesting_tree): Initialize them.
15988 (lookup_field_for_decl): Use field_map.
15989 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15990 (convert_local_omp_clauses): New.
15991 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15992 (walk_body): Split out of walk_function.
15993 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15994 (convert_nonlocal_reference): Handle omp statements.
15995 (convert_local_reference): Likewise.
15996 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15997 (unnest_nesting_tree): New.
15998 (lower_nested_functions): Call it.
15999 (insert_field_into_struct): Make extern.
16000 (struct walk_stmt_info): Move to tree-gimple.h.
16001 (walk_stmts): Make extern.
16002 * omp-builtins.def: New file.
16003 * tree-iterator.c (expr_only): Clarify comment.
16004 * c-common.h (pushdecl_top_level, pushdecl,
16005 build_modify_expr, build_indirect_ref,
16006 c_finish_omp_master, c_finish_omp_critical,
16007 c_finish_omp_ordered, c_finish_omp_barrier,
16008 c_finish_omp_atomic, c_finish_omp_flush,
16009 c_finish_omp_for, c_split_parallel_clauses,
16010 omp_clause_default_kind, c_omp_sharing_predetermined,
16011 c_omp_remap_decl): Declare.
16012 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16013 (OBJS-common): Add omp-low.o.
16014 (c-omp.o, omp-low.o): Add.
16015 (gimplify.o): Add dependency on $(OPTABS_H).
16016 (GTFILES): Add omp-low.c.
16017 (gt-stringpool.h): Add.
16018 * tree-cfg.c (set_bb_for_stmt): Do not update the
16019 block-to-labels map if we are currently expanding to RTL.
16020 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16022 Handle IDENTIFIER_NODE.
16023 (tree_verify_flow_info): Do not ICE when emitting error
16024 messages about invalid labels.
16025 (dump_function_to_file): Reset CFUN before emitting the body
16027 (debug_function): New.
16028 * passes.c (init_optimization_passes): Schedule
16030 * langhooks-def.h (lhd_omp_predetermined_sharing,
16031 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16033 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16034 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16035 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16036 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16037 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16038 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16039 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16040 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16041 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16042 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16043 (LANG_HOOK_DECLS): Use them.
16045 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16046 Richard Henderson <rth@redhat.com>
16047 Jakub Jelinek <jakub@redhat.com>
16048 Diego Novillo <dnovillo@redhat.com>
16050 * c-parser.c (pragma_omp_clause): Define.
16051 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16052 (c_parser_compound_statement): Likewise.
16053 (c_parser_statement): Likewise.
16054 (c_parser_pragma): Handle omp pragmas.
16055 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16056 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16057 (c_parser_omp_clause_name, check_no_duplicate_clause,
16058 c_parser_omp_variable_list,
16059 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16060 c_parser_omp_clause_copyprivate,
16061 c_parser_omp_clause_default,
16062 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16063 c_parser_omp_clause_lastprivate,
16064 c_parser_omp_clause_nowait,
16065 c_parser_omp_clause_num_threads,
16066 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16067 c_parser_omp_clause_reduction,
16068 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16069 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16070 c_parser_omp_atomic, c_parser_omp_barrier,
16071 c_parser_omp_critical, c_parser_omp_flush,
16072 c_parser_omp_for_loop, c_parser_omp_for,
16073 c_parser_omp_master, c_parser_omp_ordered,
16074 c_parser_omp_sections_scope, c_parser_omp_sections,
16075 c_parser_omp_parallel, c_parser_omp_single,
16076 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16077 * c-pragma.c (init_pragma): Do omp pragma registration here.
16078 * c.opt (fopenmp): New flag.
16080 2006-01-18 Eric Christopher <echristo@apple.com>
16082 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16083 * config/darwin.h (GOMP_SELF_SPECS): Define.
16085 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16087 * rtl.h: Remove the prototype for reg_alloc.
16089 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16092 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16093 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16094 sjlj and dwarf2 exception handling.
16095 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16096 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16097 * pa/pa.c (function_value): Treat complex and vector types as
16099 (function_arg): Likewise. Only pass scalar floats in the floating
16100 point argument registers.
16101 * pa/t-slibgcc-dwarf-ver: New file.
16102 * pa/t-slibgcc-sjlj-ver: New file.
16103 * pa/t-slibgcc-elf-ver: Delete file.
16105 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16107 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16108 unlikely_test_section_p test.
16110 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16112 * mode-switching.c (optimize_mode_switching): Make it static.
16113 * basic-block.h: Remove the prototype for
16114 optimize_mode_switching.
16116 * modulo-sched.c (sms_schedule): Make it static.
16117 * rtl.h: Remove the prototype for sms_schedule.
16119 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16120 * rtl.h: Remove the prototype for gcse_after_reload_main.
16122 * reg-stack.c (reg_to_stack): Make it static.
16123 * rtl.h: Remove the prototype for reg_to_stack.
16125 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16127 * rtl.h: Remove the prototypes for regrename_optimize and
16128 copyprop_hardreg_forward.
16130 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16132 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16133 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16134 Test against the appropriate null constant for the mode.
16135 If 'fixup_overlap' is true, swap the operands if they overlap.
16136 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16137 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16138 alpha_split_tmode_pair and adjust for above change.
16139 * config/alpha/alpha.md (movtf_internal): Adjust call to
16140 alpha_split_tfmode_pair and rely on it to swap the operands.
16141 (movti_internal): New insn and post-reload splitter.
16142 (movti): New expander.
16144 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16146 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16149 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16151 * rtlanal.c (global_reg_mentioned_p_1,
16152 global_reg_mentioned_p): Remove.
16153 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16155 * flow.c (initialize_uninitialized_subregs): Make it static.
16156 * rtl.h: Remove the prototype for
16157 initialize_uninitialized_subregs.
16159 * function.c (instantiate_virtual_regs): Make it static.
16160 * function.h: Remove the prototype for
16161 instantiate_virtual_regs.
16163 * regmove.c (regmove_optimize, combine_stack_adjustments):
16165 * rtl.h: Remove the prototypes for regmove_optimize and
16166 combine_stack_adjustments.
16168 2006-01-17 Roger Sayle <roger@eyesopen.com>
16170 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16171 (size_cost): Encode costs in bytes so that a reg-reg addition is
16172 equivalent to COSTS_N_INSNS(1).
16173 (override_options): Use the size_cost.branch_cost as the default
16174 ix86_branch_cost when optimizing for size.
16176 2006-01-18 Ben Elliston <bje@au.ibm.com>
16178 * Makefile.in (D32PBIT_FUNCS): New.
16179 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16180 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16181 D64PBIT_FUNCS and D128PBIT_FUNCS.
16182 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16183 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16185 (decnumber_dep): Define.
16186 * doc/libgcc.texi (Decimal float library routines): New node.
16187 * config/dfp-bit.h, config/dfp-bit.c: New files.
16189 2006-01-18 Ben Elliston <bje@au.ibm.com>
16191 * expr.c (emit_move_change_mode): Always adjust addresses, not
16192 just during reload. Copy replacements only during reload.
16193 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16194 emit_move_via_integer.
16196 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16198 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16199 instead of $(srcdir) and ${srcdir}.
16201 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16204 PR middle-end/11135
16205 * arm.h (struct machine_function): Add pic_reg.
16206 * arm.c (arm_pic_register): Make unsigned.
16207 (arm_override_options): Only set arm_pic_register if
16208 TARGET_SINGLE_PIC_BASE.
16209 (use_return_insn): Only test for a pic register if it is fixed.
16210 (arm_compute_save_reg0_reg12_mask): Likewise.
16211 (thumb_compute_save_reg_mask): Likewise.
16212 (legitimate_pic_operand): Factor out some known invariants.
16213 (legitimize_pic_address): If we don't have a fixed pic register,
16214 then set up a pseudo in the function entry sequence. Handle the
16215 pic base being in a pseudo.
16216 (arm_load_pic_register): Handle the pic register being in a pseudo.
16217 (arm_expand_prologue): Only set up the pic register if it is fixed.
16218 (thumb_expand_prologue): Likewise.
16219 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16220 (pic_load_addr_based_insn): Likewise.
16221 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16224 2006-01-18 Ben Elliston <bje@au.ibm.com>
16226 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16227 decimal float modes for all floating point registers.
16229 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16230 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16232 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16235 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16236 even when the pointer is not NULL.
16238 2006-01-16 Ian Lance Taylor <ian@airs.com>
16240 * common.opt (ftoplevel-reorder): New option.
16241 * cgraph.c (cgraph_asm_nodes): New global variable.
16242 (cgraph_asm_last_node): New static variable.
16243 (cgraph_order): New global variable.
16244 (cgraph_create_node): Set new order field.
16245 (cgraph_varpool_node): Likewise.
16246 (decide_is_variable_needed): Return true if not
16247 flag_toplevel_reorder.
16248 (cgraph_add_asm_node): New function.
16249 * cgraph.h (struct cgraph_node): Add order field.
16250 (struct cgraph_varpool_node): Add order field.
16251 (struct cgraph_asm_node): Define.
16252 (cgraph_asm_nodes, cgraph_order): Declare.
16253 (cgraph_add_asm_node): Declare.
16254 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16256 (cgraph_varpool_assemble_pending_decls): Call it.
16257 (cgraph_output_pending_asms): New static function.
16258 (cgraph_finalize_compilation_unit): Call it.
16259 (struct cgraph_order_sort): Define.
16260 (cgraph_output_in_order): New static function.
16261 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16262 !flag_toplevel_reorder case.
16263 * c-parser.c: Include "cgraph.h".
16264 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16266 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16267 than -fno-unit-at-a-time.
16268 * doc/invoke.texi (Option Summary): Mention
16269 -fno-toplevel-reorder.
16270 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16271 -funit-at-a-time documentation.
16273 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16274 Kazu Hirata <kazu@codesourcery.com>
16276 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16278 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16280 * Makefile.in (FUNCTION_H): New. Use it instead of
16281 function.h throughout the file.
16282 * function.h: Include tree.h.
16284 2006-01-17 Ben Elliston <bje@au.ibm.com>
16286 * recog.c: Separate some functions with whitespace.
16288 2006-01-16 Richard Henderson <rth@redhat.com>
16290 Merge from gomp branch:
16291 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16292 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16293 and rename from struct inline_data. Rename callee* to dst*;
16294 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16295 transform_new_cfg, transform_return_to_modify, and
16296 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16298 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16299 (copy_decl_for_dup): Remove.
16300 * tree-inline.c (struct inline_data): Move to header.
16301 (insert_decl_map): Export.
16302 (remap_decl): Update for member name changes. Use copy_decl hook.
16303 Allow for replacement to be a non-decl. Remove dead code.
16304 (remap_type_1): Check for existing mapping.
16305 (remap_type): Export.
16306 (remap_decls): Update for member name changes.
16307 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16308 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16309 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16310 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16311 (tree_function_versioning, build_duplicate_type): Likewise.
16312 (copy_body_r): Likewise. Export.
16313 (copy_decl_for_dup): Split into ...
16314 (copy_decl_for_dup_finish, copy_decl_to_var,
16315 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16316 (replace_ref_tree, inlining_p): Remove.
16318 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16320 * ifcvt.c (if_convert): Make it static.
16321 * rtl.h: Remove the prototype for if_convert.
16323 * local-alloc.c (local_alloc): Make it static.
16324 * rtl.h: Remove the prototype for local_alloc.
16326 * loop.c (loop_optimize): Make it static.
16327 * cfgloop.h: Remove the prototype for loop_optimize.
16330 2006-01-16 DJ Delorie <dj@redhat.com>
16332 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16335 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16337 * pa.md: Disparage copies between general and floating-point registers
16338 in 32-bit move patterns.
16340 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16343 * Makefile.in (check-%): Depend on site.exp instead of
16344 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16347 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16349 * global.c (global_alloc): Make it static.
16350 * rtl.h: Remove the prototype for global_alloc.
16352 2006-01-16 Richard Guenther <rguenther@suse.de>
16354 * tree-ssa-alias.c (struct used_part): Add write_only field.
16355 (get_or_create_used_part_for): Initialize it to true.
16356 (create_overlap_variables_for): Don't create structure variables
16357 for structures that only are written to.
16358 (find_used_portions): Handle MODIFY_EXPR to track whether a
16359 structure is only written to.
16361 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16363 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16365 * basic-block.h: Remove the prototype for
16366 partition_hot_cold_basic_blocks.
16368 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16370 * cppspec.c (lang_specific_spec_functions): Remove.
16371 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16372 * gcc.h (lang_specific_spec_functions): Remove.
16373 * gccspec.c (lang_specific_spec_functions): Remove.
16375 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16377 * combine.c (record_value_for_reg): Invalidate registers
16379 (record_dead_and_set_regs_1): Likewise, by passing them to
16380 record_value_for_reg.
16381 (record_dead_and_set_regs): Invalidate stores made by a
16382 call. We do not combine across a call, but we still
16383 relied on equivalences.
16385 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16387 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16388 vrp_int_const_binop returning non-constant nodes.
16390 2006-01-16 Paul Brook <paul@codesourcery.com>
16392 * config/m68k/m68k.c (output_move_const_into_data_reg):
16393 Output correct mnemonic for mvz and mvs.
16395 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16397 * rtl-factoring.c: Add sequence abstraction algorithm.
16398 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16399 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16401 (block_has_preserve_label): New function.
16402 * common.opt: Register new pass.
16403 * Makefile.in: Ditto.
16405 * timevar.def: Ditto.
16406 * tree-pass.h: Ditto.
16407 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16408 * rtl.h (make_jump_insn_raw): Add forward decl.
16409 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16411 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16412 Roger Sayle <roger@eyesopen.com>
16414 * fold-const.c (fold_minmax): New static function.
16415 (fold_binary) <MIN_EXPR>: Call it.
16416 <MAX_EXPR>: Likewise.
16417 * stor-layout.c (place_field): Use DECL_SIZE consistently
16418 in the computation of the new record size.
16420 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16422 * cse.c (cse_condition_code_reg): Make it static.
16423 * rtl.h: Remove the prototype for cse_condition_code_reg.
16425 * combine.c (combine_instructions): Make it static.
16426 * rtl.h: Remove the prototype for combine_instructions.
16428 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16431 * tree.c (get_file_function_name_long): Concatenate the first global
16432 object name with a string derived from the input filename of the object
16435 2006-01-16 Ben Elliston <bje@au.ibm.com>
16437 * config/i386/winnt-stubs.c: Update FSF address.
16438 * config/xtensa/ieee754-df.S: Ditto.
16439 * config/xtensa/ieee754-sf.S: Ditto.
16441 2006-01-14 Ian Lance Taylor <ian@airs.com>
16443 * ifcvt.c (noce_init_if_info): New static function, broken out of
16444 noce_process_if_block.
16445 (noce_process_if_block): Call noce_init_if_info.
16446 (check_cond_move_block): New static function.
16447 (cond_move_process_if_block): New static function.
16448 (process_if_block): Call cond_move_process_if_block.
16450 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16452 * cselib.c (hash_table): Rename to cselib_hash_table.
16453 (cselib_clear_table, discard_useless_values,
16454 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16455 cselib_init, cselib_finish): Adjust uses of hash_table.
16457 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16459 PR tree-optimization/25485
16460 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16461 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16462 is known to be false and true, respectively.
16464 2006-01-14 Richard Guenther <rguenther@suse.de>
16466 PR tree-optimization/22548
16467 PR tree-optimization/22555
16468 PR tree-optimization/22501
16469 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16470 * params.def (salias-max-array-elements): New parameter.
16471 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16472 * doc/invoke.texi (salias-max-array-elements): Document.
16473 * tree-flow-inline.h (var_can_have_subvars): We also handle
16475 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16477 * tree-ssa-structalias.c (params.h): Include.
16478 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16479 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16480 (get_constraint_for): For ADDR_EXPR operating on something
16481 containing an ARRAY_REF, add all subvars to the solution.
16482 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16483 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16484 for creating MUST_DEFs.
16485 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16487 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16489 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16491 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16492 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16493 number_of_iterations_le): New functions.
16494 (number_of_iterations_special): Removed.
16495 (number_of_iterations_exit): Do not use number_of_iterations_special.
16496 * tree.c (unsigned_type_for): Always return integer type.
16498 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16499 Richard Guenther <rguenther@suse.de>
16501 PR rtl-optimization/24257
16502 * gcse.c (find_moveable_store): Only consider a store movable
16503 when the SET_SRC of the insn can be assigned to a register.
16505 2006-01-14 Ian Lance Taylor <ian@airs.com>
16507 * tree.c (tree_not_class_check_failed): New function.
16508 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16509 (tree_not_class_check_failed): Declare.
16511 2006-01-13 Ian Lance Taylor <ian@airs.com>
16513 * reload1.c (do_output_reload): Add assertion rejecting a
16516 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16518 * combine.c (struct reg_stat): Add new fields truncation_label and
16520 (record_value_for_reg): Reset truncated_to_mode.
16521 (record_truncated_value): New function.
16522 (check_promoted_subreg): Call it. Rename to check_conversions.
16523 (combine_instructions): Rename check_promoted_subreg to
16525 (reg_truncated_to_mode): New function.
16526 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16527 (gen_lowpart_or_truncate): New function.
16528 (force_to_mode): Use it instead of gen_lowpart.
16530 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16532 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16533 VAR is a tag, not its type tag.
16535 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16537 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16538 alternatives to match style of other entries.
16539 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16541 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16543 PR tree-optimization/25771
16544 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16547 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16550 * tree-inline.c (declare_return_variable): If the return variable
16551 was marked as a non gimple complex, set the return slot variable
16552 to be a non gimple comple variable.
16554 2006-01-13 Richard Guenther <rguenther@suse.de>
16556 * builtins.c (expand_builtin_sincos): New function.
16557 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16559 (expand_builtin): Expand sincos using expand_builtin_sincos.
16561 2006-01-12 DJ Delorie <dj@redhat.com>
16563 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16564 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16565 so that constant shifts can be split.
16566 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16567 (m32c_valid_pointer_mode): Make static.
16568 (shift_gen_func_for): New.
16569 (m32c_prepare_shift): Use it. Split large const shifts into
16571 * config/m32c/predicates.md (shiftcount_operand): Allow more
16573 (longshiftcount_operand): New.
16574 * doc/md.texi (Machine Constraints): Document In6.
16576 2006-01-13 Ben Elliston <bje@au.ibm.com>
16578 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16579 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16582 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16584 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16585 to try to avoid clobbering pieces of structures when we know
16586 something about the whole structure.
16587 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16589 2006-01-13 Ben Elliston <bje@au.ibm.com>
16591 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16592 return in memory, as this is no limitation is no longer present.
16594 2006-01-12 DJ Delorie <dj@redhat.com>
16596 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16597 mova with fb, and for fb+0 -> An.
16599 * config/m32c/mov.md (peephole2): Fix enabling logic.
16601 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16602 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16603 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16604 FINI_ARRAY_SECTION_ASM_OP): Define.
16606 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16608 (m32c_legitimize_reload_address): New logic to reload FB to An.
16609 (m32c_output_reg_push): Add newline.
16610 (m32c_output_reg_pop): Likewise.
16612 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16614 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16616 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16618 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16620 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16622 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16625 2006-01-11 Ben Elliston <bje@au.ibm.com>
16627 * rtlanal.c (find_reg_note): Assert insn is not null.
16629 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16631 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16634 2006-01-11 Jeff Law <law@redhat.com>
16636 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16638 (mark_threaded_blocks, register_jump_thread): New functions.
16639 (thread_through_all_blocks): Remove unwanted argument. No
16640 longer rely on e->aux to communicate thread target info.
16641 Call mark_threaded_blocks. Release the threaded_blocks
16642 bitmap and threaded_edges vector when complete.
16643 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16644 (threaded_blocks): Remove.
16645 (tree_ssa_dominator_optimize): Remove initialization and
16646 finalization of threaded_blocks. Simplify call to
16647 thread_through_all_blocks.
16648 (thread_across_edge): Call register_jump_thread rather than
16649 storing thread information into e->aux.
16650 (free_all_edge_infos): Simplify now that e->aux is no longer
16651 used to communicate with thread_through_all_blocks.
16652 * tree-flow.h (thread_through_all_blocks): Update prototype.
16653 (register_jump_thread): Prototype.
16655 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16657 * df-core.c (df_compact_blocks, df_bb_replace): Use
16658 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16660 2006-01-11 Richard Guenther <rguenther@suse.de>
16662 PR tree-optimization/25734
16663 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16664 stop propagation after successful propagation to the LHS.
16666 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16668 * basic-block.h (control_flow_graph): Change the type of
16669 x_basic_block_info to VEC(basic_block,gc) *.
16670 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16672 (SET_BASIC_BLOCK): New.
16673 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16674 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16675 * cfgbuild.c (find_basic_blocks): Likewise.
16676 * cfglayout.c (fixup_reorder_chain): Likewise.
16677 * cfgrtl.c (create_basic_block_structure,
16678 rtl_create_basic_block): Likewise.
16679 * ifcvt.c (find_if_case_1): Likewise.
16680 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16683 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16685 * Makefile.in: Removed rotted odf.c entry.
16687 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16690 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16691 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16692 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16693 output pattern modifier, not %e.
16694 * config/cris/cris.c (cris_op_str): Update comment about pattern
16696 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16697 before falling through into...
16698 <case 'E'>: Redefined from old 'e' case.
16700 2006-01-11 Jan Hubicka <jh@suse.cz>
16703 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16705 2006-01-11 Jan Hubicka <jh@suse.cz>
16707 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16708 * i386.c (x86_decompose_lea): Kill.
16709 (ix86_rtx_costs): Kill.
16711 2006-01-11 Jan Hubicka <jh@suse.cz>
16713 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16714 * cgraph.h (cgraph_node): Add inline_decl.
16715 (cgraph_insert_node_to_hashtable): Declare.
16716 (save_inline_function_body): Declare.
16717 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16719 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16720 (cgraph_function_versioning): Update call of tree_function_versioning.
16721 (save_inline_function_body): New function.
16722 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16723 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16724 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16725 (cgraph_default_inline_p): Likewise.
16726 (cgraph_decide_inlining_incrementally): Likewise.
16727 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16728 (copy_bb): Kill saving; do updating of clones.
16729 (copy_cfg_body): Kill saving.
16730 (initialize_inlined-parameters): Likewise.
16731 (expand_call_inline): Likewise.
16733 (tree_function_versioning): New parameter "update_clones".
16734 (inlining_p): Kill saving.
16735 * tree-inline.h (tree_function_versioning): Update prototype.
16736 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16739 2006-01-11 Ian Lance Taylor <ian@airs.com>
16741 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16742 Allow undoing set of machine mode.
16743 (do_SUBST): Use enums instead of is_int.
16744 (do_SUBST_MODE): New function.
16745 (SUBST_MODE): New macro.
16746 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16747 reg and trying to replace reg_regno_rtx with a new register.
16748 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16749 (simplify_set): Use SUBST_MODE.
16750 (distribute_notes): Remove code that tried to update reg notes
16751 for regno_reg_rtx changes.
16753 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16755 PR tree-optimization/23109
16756 PR tree-optimization/23948
16757 PR tree-optimization/24123
16759 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16760 * tree-cfg.c (single_noncomplex_succ): New.
16761 * tree-flow.h (single_noncomplex_succ): Declare it.
16762 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16763 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16764 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16765 insert_bb, register_division_in, insert_reciprocals,
16766 replace_reciprocal, free_bb): New.
16767 (execute_cse_reciprocals_1): Rewritten.
16768 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16769 Do not commit any edge insertion. Always compute dominators and
16770 create the allocation pool.
16771 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16772 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16773 * targhooks.c (default_min_divistions_for_recip_mul): New.
16774 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16775 * passes.c (init_optimization_passes): Run recip after tree loop
16777 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16779 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16780 Kenneth Zadeck <zadeck@naturalbridge.com>
16782 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16783 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16784 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16785 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16786 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16787 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16788 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16789 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16790 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16791 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16792 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16793 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16794 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16795 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16796 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16797 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16798 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16799 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16800 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16801 DF_SCAN_POST_ALLOC): New macros.
16802 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16803 df_free_bb_function, df_local_compute_function, df_init_function,
16804 df_dataflow_function, df_confluence_function_0,
16805 df_confluence_function_n, df_transfer_function,
16806 df_finalizer_function, df_free_function, df_dump_problem_function,
16807 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16808 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16809 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16810 df_urec_bb_info, ) New types.
16811 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16813 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16814 df_analyze_simple_change_some_blocks,
16815 df_analyze_simple_change_one_block, df_compact_blocks,
16816 df_bb_replace, df_bb_regno_last_use_find,
16817 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16818 df_insn_regno_def_p, df_find_def, df_find_use,
16819 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16820 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16821 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16822 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16823 debug_df_chain, df_get_dependent_problem, df_chain_create,
16824 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16825 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16826 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16827 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16828 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16829 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16830 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16831 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16832 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16833 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16834 df_reorganize_refs, df_set_state, df_hard_reg_init,
16835 df_read_modify_subreg_p) New public functions.
16836 * df-core.c: The core dataflow solver and glue routines for rtl
16838 (df_init, df_add_problem, df_set_blocks, df_finish,
16839 df_hybrid_search_forward, df_hybrid_search_backward,
16840 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16841 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16842 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16843 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16844 df_reg_defined, df_find_use, df_reg_used, df_dump,
16845 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16846 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16847 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16848 debug_df_useno, reset_df_after_reload): New functions.
16849 * df-scan.c: The scanning fuctions, once in df.c, completely
16850 rewritten so that they now fully model the functionality of
16851 register usage at the backend.
16852 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16853 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16854 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16855 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16856 df_get_artificial_defs, df_get_artificial_uses,
16857 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16858 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16859 df_refs_delete, df_reorganize_refs, df_set_state,
16860 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16861 df_def_record_1, df_defs_record, df_uses_record,
16862 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16863 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16864 df_record_exit_block_uses, df_hard_reg_init): New functions.
16866 * df-problems.c: Seven concrete dataflow problems that use the
16867 scanning in df-scan.c and are solved by the engine in df-core.c.
16868 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16869 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16870 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16871 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16872 df_ru_free_bb_info, df_ru_alloc,
16873 df_ru_bb_local_compute_process_def,
16874 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16875 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16876 df_ru_transfer_function, df_ru_free, df_ru_dump,
16877 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16878 df_rd_free_bb_info, df_rd_alloc,
16879 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16880 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16881 df_rd_transfer_function, df_rd_free, df_rd_dump,
16882 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16883 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16884 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16885 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16886 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16887 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16888 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16889 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16890 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16891 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16892 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16893 df_urec_mark_reg_use_for_earlyclobber,
16894 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16895 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16896 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16897 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16898 df_chain_create_bb_process_use, df_chain_create_bb,
16899 df_chain_finalize, df_chain_free, df_chains_dump,
16900 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16901 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16902 df_reg_lifetime): New functions.
16903 * df.c: Deleted file.
16904 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16905 consistent with new df api.
16906 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16907 rest_of_handle_sms): Ditto.
16908 * web.c (unionfind_union, union_defs, entry_register, web_main):
16910 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16911 invariant_expr_equal_p, find_defs, check_dependencies,
16912 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16913 free_inv_motion_data, move_loop_invariants): Ditto.
16914 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16915 Update dependencies.
16916 (odf.c): Added defective entry that was deleted later in day.
16917 * sched-deps.c (sched_analyze_1): Ditto.
16919 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16921 * tree-ssa-operands.c (get_expr_operands): Record addressable
16922 variables directly. Do not call add_stmt_operands for CONST_DECLs
16924 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16925 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16927 2006-01-11 Ben Elliston <bje@au.ibm.com>
16929 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16930 function returns true in the positive case.
16932 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16935 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16936 for SI, DI, SF and DF modes. Add alternatives to copy between
16937 general and floating point registers to the 32-bit patterns.
16938 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16939 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16940 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16941 generating 64-bit code.
16942 * config/pa/pa.c (output_move_double): Handle copies between general
16943 and floating registers.
16945 2006-01-10 Stuart Hastings <stuart@apple.com>
16947 * config/i386/i386.md (set_got): Update.
16948 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16949 (builtin_setjmp_receiver): Mach-O support.
16950 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16951 (GOT_SYMBOL_NAME): Define.
16952 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16953 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16954 * config/i386/i386.c (override_options): Revise for Darwin.
16955 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16956 support. (darwin_x86_file_end): New. (output_set_got): Add label
16957 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16958 * config/i386/i386-protos.h (output_set_got): Likewise.
16959 * config/darwin.c (machopic_legitimize_pic_address): Update
16962 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16964 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16965 when MODE isn't BLKmode.
16967 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16969 PR rtl-optimization/25367
16970 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16972 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16975 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16976 for a negative bound.
16978 2006-01-10 Richard Guenther <rguenther@suse.de>
16980 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16981 Never override with anything constraint.
16983 2006-01-10 Jan Beulich <jbeulich@novell.com>
16985 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16986 256 bits when optimize_size.
16988 2006-01-10 Jan Beulich <jbeulich@novell.com>
16990 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16992 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16993 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16996 2006-01-10 Ben Elliston <bje@au.ibm.com>
16998 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17000 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17001 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17002 (USE_FP_FOR_ARG): Reject decimal float modes.
17003 (function_arg_advance): Likewise.
17004 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17005 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17006 point types in AltiVec vectors.
17007 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17008 (rs6000_libcall_value): Likewise.
17010 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17012 * config/xtensa/ieee754-df.S: New file.
17013 * config/xtensa/ieee754-sf.S: New file.
17014 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17015 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17016 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17018 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17020 * config/sh/predicates.md (binary_float_operator,
17021 binary_logical_operator, commutative_float_operator,
17022 equality_comparison_operator, greater_comparison_operator,
17023 less_comparison_operator, logical_operator,
17024 noncommutative_float_operator, shift_operator,
17025 symbol_ref_operand, unary_float_operator): Remove redundant
17028 2006-01-09 Jeff Law <law@redhat.com>
17030 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17031 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17032 now unused arguments. Callers updated.
17033 (eliminate_redundant_computations): Remove now unused arguments,
17035 (local_fold): Remove, no longer used.
17036 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17038 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17039 (simplify_cond): New function.
17040 (forward_propagate_into_cond): Call simplify_cond.
17042 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17044 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17045 (*vec_extractv2di_1_sse): New.
17047 2006-01-09 Ben Elliston <bje@au.ibm.com>
17049 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17051 2006-01-08 Richard Guenther <rguenther@suse.de>
17053 * tree-ssa-structalias.c (get_constraint_for): Remove
17054 anyoffset argument.
17055 (get_constraint_for_component_ref): Likewise.
17056 (do_deref): Likewise.
17057 (get_constraint_for): Likewise.
17058 (do_structure_copy): Likewise.
17059 (handle_ptr_arith): Likewise.
17060 (find_func_aliases): Likewise. Remove unused need_anyoffset
17063 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17064 Kaz Kojima <kkojima@gcc.gnu.org>
17066 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17067 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17068 (EXTRA_CONSTRAINT_C16): Remove.
17069 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17070 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17071 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17072 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17073 constants of SHmedia. Handle nested constant expressions of
17075 (andcosts): Fix the costs for SHmedia constants.
17076 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17077 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17078 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17079 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17080 (movv4hi_i, movv2si_i): Likewise.
17081 (movsi_const): Adjust the second operand of ior so to match with
17082 the Csu constraint.
17083 (movdi_const, movdi_const_32bit): Likewise.
17084 (movdi_const_16bit+1): Don't sign-extend LOW.
17085 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17087 (*double_shori): Fix the split condition. Use GEN_INT instead
17088 of get_int_mode calls. Mask lower 16-bit of the argument of
17090 (sym2GOTPLT): Remove.
17091 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17093 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17094 instead of EXTRA_CONSTRAINT_C16.
17096 2006-01-07 Ian Lance Taylor <ian@airs.com>
17097 David Edelsohn <edelsohn@gnu.org>
17099 PR rtl-optimization/25662
17100 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17101 for constant operands instead of simplify_gen_binary.
17102 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17103 after trying simplify_binary_operation
17105 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17107 * tree.c (iterative_hash_expr): Hash decls based on UID.
17109 2006-01-06 Eric Christopher <echristo@apple.com>
17111 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17112 (TARGET_UNWIND_EMIT): Fix spelling.
17113 * target.h (gcc_target): Add except_table_label.
17114 * except.c (output_function_exception_table): Use.
17115 * varasm.c (default_emit_except_table_label): New.
17116 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17118 (asm_out): Add here.
17119 * output.h (default_emit_except_table_label): Prototype.
17120 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17121 * config/darwin.c (darwin_emit_except_table_label): Define.
17122 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17124 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17126 PR tree-optimization/18527
17127 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17128 number_of_iterations_special, number_of_iterations_exit):
17129 Move base and step of an iv to a single structure. Add
17130 no_overflow flag, and use it in # of iterations analysis.
17131 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17132 folded_casts argument.
17133 (simple_iv): Pass base and step in a structure. Set no_overflow
17135 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17136 Evaluate expensiveness of computing # of iterations instead of
17137 the final expression.
17138 * tree-scalar-evolution.h (affine_iv): New structure.
17139 (simple_iv): Declaration changed.
17140 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17141 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17142 find_givs_in_stmt): Changed due to simple_iv change.
17144 2006-01-06 Jeff Law <law@redhat.com>
17147 * tree-cfg.c (bsi_replace): Rename final argument from
17148 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17149 change (stmt -> orig_stmt).
17150 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17151 (bsi_remove): Add new argument. Remove EH information
17153 (verify_eh_throw_table_statements): New function.
17154 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17156 * tree-optimize.c (execute_free_cfg_annotations): Verify
17157 the EH throw statement table after removing annotations.
17158 * except.h (verify_eh_throw_table_statements): Prototype.
17159 * tree-flow.h (bsi_remove): Update prototype.
17160 * tree-vrp.c (remove_range_assertions): Add new argument to
17162 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17163 * tree-complex.c (expand_complex_div_wide): Likewise.
17164 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17165 * tree-tailcall.c (eliminate_tailcall): Likewise.
17166 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17167 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17168 * tree-nrv.c (tree_nrv): Likewise.
17169 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17170 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17171 (combine_blocks): Likewise.
17172 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17173 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17174 (cleanup_control_flow): Likewise.
17175 (remove_forwarder_block): Likewise.
17176 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17177 * tree-sra.c (sra_replace): Likewise.
17178 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17179 (forward_propagate_single_use_vars): Likewise.
17180 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17181 * tree-inline.c (expand_call_inline): Likewise.
17182 * tree-vect-transform.c (vect_transform_loop): Likewise.
17183 * tree-outof-ssa.c (rewrite_trees): Likewise.
17184 * tree-cfg.c (make_goto_expr_edges): Likewise.
17185 (cleanup_dead_labels): Likewise.
17186 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17187 (bsi_move_before, bsi_move_after): Likewise.
17188 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17189 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17191 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17194 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17196 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17197 on non gimple variables. Also add checks at the top for decls and
17199 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17201 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17202 and IMAGPART_EXPR for creating MUST_DEFs.
17203 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17204 and NAME_MEMORY_TAG separately from the DECLs.
17206 2006-01-06 Richard Guenther <rguenther@suse.de>
17208 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17209 annotation, if necessary.
17210 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17211 redundant calls to update_stmt.
17212 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17215 2006-01-05 Richard Henderson <rth@redhat.com>
17217 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17219 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17221 * c-typeck.c: Update copyright date.
17223 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17225 * c-typeck.c (build_c_cast): Always warn when casting
17226 from a pointer to an integer of different size, even if
17227 the node was constant.
17229 2006-01-05 Richard Guenther <rguenther@suse.de>
17231 PR tree-optimization/22555
17232 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17233 if one structure field is an array.
17234 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17235 operands even if we found a subvar, but ignore VOPs in this
17237 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17239 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17241 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17243 PR middle-end/24998
17244 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17246 2006-01-05 Richard Guenther <rguenther@suse.de>
17247 Diego Novillo <dnovillo@redhat.com>
17249 * tree-pass.h (TODO_remove_unused_locals): Define.
17250 * gimple-low.c (expand_var_p, remove_useless_vars,
17251 pass_remove_useless_vars): Remove. Update all users.
17252 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17253 (remove_unused_locals): New function.
17254 * tree-flow.h (remove_unused_locals): Declare.
17255 * passes.c (execute_todo): Call remove_unused_locals if
17256 TODO_remove_unused_locals is set.
17257 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17258 * tree-ssa-dce.c (pass_dce): Likewise.
17259 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17261 2006-01-05 Richard Guenther <rguenther@suse.de>
17263 * tree-flow.h (struct fieldoff): Decompose field to
17264 type, size and decl.
17265 * tree-ssa-alias.c (create_sft): Take type as parameter.
17266 (create_overlap_variables_for): Store type, size and decl
17267 in the fieldoff structure.
17268 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17269 of struct fieldoff.
17270 (push_fields_onto_fieldstack): Likewise.
17271 (create_variable_info_for): Likewise. Use offset for the
17272 SFT name if the decl is not available.
17274 2006-01-04 Paul Brook <paul@codesourcery.com>
17276 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17278 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17280 * lambda-code.c (can_put_in_inner_loop): Relax
17282 (can_put_after_inner_loop): New function.
17283 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17284 (perfect_nestify): Change to make copies and modify uses.
17286 2006-01-04 Richard Henderson <rth@redhat.com>
17288 Merge from gomp branch:
17289 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17290 via integer constant.
17291 (pragma_lex): Remove.
17292 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17293 rather than parsing it.
17294 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17295 handle_pragma_extern_prefix): Add %< %> quotes.
17296 (registered_pragmas): New.
17297 (c_register_pragma_1): New.
17298 (c_register_pragma): Use it.
17299 (c_register_pragma_with_expansion): Likewise.
17300 (c_invoke_pragma_handler): New.
17301 (init_pragma): Use cpp_register_deferred_pragma directly for
17303 * c-pragma.h (enum pragma_kind): New.
17304 (pragma_handler): New.
17305 (c_invoke_pragma_handler): Declare.
17306 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17308 * c-common.h (c_common_pch_pragma): Update decl.
17309 * Makefile.in (c-parser.o): Update dependencies.
17310 (GTFILES): Add c-pragma.h.
17311 * c-parser.c (struct c_token): Add pragma_kind.
17312 (struct c_parser): Add in_pragma.
17313 (c_lex_one_token): Always initialize keyword and pragma_kind.
17314 Extract data for CPP_PRAGMA.
17315 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17316 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17317 Don't allow CPP_PRAGMA_EOL if in_pragma.
17318 (c_parser_consume_pragma): New.
17319 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17320 (c_parser_skip_to_end_of_parameter): Likewise.
17321 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17322 (c_parser_skip_to_pragma_eol): New.
17323 (c_parser_external_declaration): Handle CPP_PRAGMA.
17324 (c_parser_compound_statement_nostart): Likewise.
17325 (c_parser_statement_after_labels): Likewise.
17326 (c_parser_pragma): New.
17327 (pragma_lex): Likewise.
17328 (c_parser_pragma_pch_preprocess): New.
17329 (c_parser_new): Merge into ...
17330 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17332 2006-01-04 Jeff Law <law@redhat.com>
17335 * tree-cfg.c (bsi_replace): Remove the original statement
17336 from the EH throw statement table.
17338 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17340 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17341 make the prototype extern "C" and add throw ().
17344 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17345 and pos non-negative and pos + len <= 32.
17346 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17347 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17348 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17351 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17352 as well as sizes not multiple of component size.
17355 * function.c (instantiate_expr): New function.
17356 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17357 walk its DECL_VALUE_EXPR with instantiate_expr.
17359 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17360 DW_OP_deref{,_size} if address isn't going to be added.
17362 2006-01-04 Ben Elliston <bje@au.ibm.com>
17364 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17365 * config/fp-bit.c: Likewise.
17367 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17369 * dominance.c: Add comment about why we use DFS numbering
17372 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17373 Richard Henderson <rth@redhat.com>
17375 Merge from gomp-branch:
17376 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17377 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17379 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17381 PR rtl-optimization/25578
17382 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17383 pass a parameter to simplify_shift_const if changing ASHIFTRT
17386 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17388 * builtins.c (get_builtin_sync_mem): New function.
17389 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17390 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17391 Call get_builtin_sync_mem to generate mem rtx.
17393 2006-01-03 Richard Guenther <rguenther@suse.de>
17396 * stmt.c (add_case_node): Make sure to clear overflow flags
17399 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17401 Merge from gomp-branch.
17402 * config/sparc/sync.md: New file.
17403 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17404 UNSPECV_LDSTUB): New constants.
17405 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17406 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17407 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17410 2006-01-03 Roger Sayle <roger@eyesopen.com>
17412 * combine.c (reg_subword_p): New predicate to test whether the
17413 destination of a set refers to a subword/piece of a register.
17414 (try_combine): Generalize the code to merge the setting of a
17415 pseudo to a constant followed by a set of a subword of that
17416 register to a constant.
17418 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17420 * basic-block.h (control_flow_graph): Change the type of
17421 x_label_to_block_map to VEC(basic_block,gc) *.
17422 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17423 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17425 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17426 VEC(basic_block,heap) *.
17427 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17428 ssa_prop_fini): Adjust the uses of cfg_blocks.
17430 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17432 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17434 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17435 hashing trees instead of a pointer hash.
17436 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17437 compare for MEM_EXPR.
17439 PR rtl-optimization/25130
17440 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17441 when comparing MEMs for GCSE
17443 2006-01-03 Ben Elliston <bje@au.ibm.com>
17445 * targhooks.h (default_decimal_float_supported_p): Declare.
17446 * targhooks.c (default_decimal_float_supported_p): Define.
17447 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17448 `default_decimal_float_supported_p'.
17449 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17451 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17453 * combine.c (apply_distributive_law <SUBREG>): Check
17454 TRULY_NOOP_TRUNCATION.
17456 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17458 * dwarf2out.c (have_switched_text_section): Delete.
17459 (have_multiple_function_sections): New.
17460 (have_location_lists): Make 'bool'.
17461 (add_AT_loc_list): Use 'true' not '1'.
17462 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17463 (output_loc_list): Use have_multiple_function_sections.
17464 (output_ranges): Likewise.
17465 (dwarf2out_begin_function): Set have_multiple_function_sections if
17467 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17468 Check function_section rather than DECL_SECTION_NAME.
17469 (dwarf2out_finish): Use have_multiple_function_sections.
17470 Don't clear have_location_lists.
17472 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17473 Jan Hubicka <jh@suse.cz>
17475 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17476 case of conditional jump jumping to the next instruction.
17477 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17478 cases of conditional jump jumping to the next instruction.
17480 2006-01-02 Jan Hubicka <jh@suse.cz>
17482 * i386.c (*_cost): Add COSTS_N_INSNS.
17483 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17485 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17488 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17490 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17492 * config/arm/arm.c (all_fpus): Fix comment typo.
17493 * config/darwin.c: Likewise.
17494 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17495 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17496 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17498 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17500 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17501 (rs6000_split_compare_and_swapqhi): New.
17502 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17503 (sync_compare_and_swapqhi_internal): New.
17504 * config/rs6000/rs6000-protos.h: Declare.