1 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
3 * tree-dump.c (dump_enable_all): Rename local variable
4 ir_type to avoid name conflicts.
5 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
6 instead of using ir_type().
7 * profile.c (tree_register_profile_hooks): Likewise.
8 * value-prof.c (tree_register_value_prof_hooks): Likewise.
9 * basic-block.h (struct edge_def): Likewise.
10 * config/arm/arm.c (legitimize_pic_address): Likewise.
11 * coretypes.h (ir_type): New enum of all intermediate languages
13 * cfghooks.c (ir_type): Rename to...
14 (current_ir_type): ...this. Distinguish between cfgrtl and
15 cfglayout mode when the current IR is RTL. Return enum ir_type.
16 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
18 2006-11-03 Paul Brook <paul@codesourcery.com>
21 * config/arm/arm.c (arm_file_start): New function.
22 (TARGET_ASM_FILE_START): Define.
23 (arm_default_cpu): New variable.
24 (arm_override_options): Set arm_default_cpu.
26 2006-11-03 David Ung <davidu@mips.com>
28 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
29 PROCESSOR_24KC and PROCESSOR_24KF.
30 * config/mips/mips.c (mips_cpu_info_table): Add processor names
31 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
32 (mips_rtx_cost_data): Add costs for the 24kc.
33 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
34 * config/mips/24k.md: Remove references to 24k and replace with
35 uses of 24kc/24kf in the appropriate reservations.
36 * doc/invoke.texi (MIPS Options): Updated.
38 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
40 * config/sh/crt1.asm: Fix #ifdef indent.
42 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
43 Merged from STMicroelectronics sources:
44 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
45 * config/sh/crt1.asm (vbr_600): Add missing #if.
46 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
47 * sh.opt (mfused-madd): New option.
48 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
49 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
50 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
51 Remove pointless handler at VBR+0.
52 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
53 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
54 fr7. Make sure the timer handler is called with the correct FPU
55 precision setting, according to the ABI.
56 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
57 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
58 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
59 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
60 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
61 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
62 zero as second operand.
63 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
64 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
65 Fixed some bugs related to negative values, in particular -0
66 and overflow at -0x80000000.
67 * config/sh/divcost-analysis: Added sh4-300 figures.
68 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
69 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
70 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
71 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
72 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
73 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
75 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
77 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
78 SH4-300 scheduling description & fixes to SH4-[12]00 description:
79 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
80 mac_mem, mem_mac, dfp_mul, fp_cmp.
81 (insn_class, dfp_comp, any_fp_comp): Update.
82 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
83 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
85 (movsi_i): Split rI08 alternative into two separate alternatives.
87 (movsi_ie, movsi_i_lowpart): Likewise.
88 (movqi_i): Split ri alternative into two separate alternatives.
90 * sh1.md (sh1_load_store, sh1_fp): Update.
91 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
92 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
93 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
94 (sh4a_fp_double_arith): Likewise.
95 * sh4-300.md: New file.
96 * sh.c (sh_handle_option): Handle m4-300* options.
97 (sh_adjust_cost): Fix latency of auto-increments.
98 Handle SH4-300 differently than other SH4s. Check for new insn types.
99 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
100 been set by an option.
101 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
102 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
103 (mbranch-cost=): Likewise.
104 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
106 * sh.md (mulsf3): Remove special expansion code.
107 (mulsf3_ie): Now a define_insn_and_split.
108 (macsf3): Allow for TARGET_SH4.
110 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
111 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
112 (expand_cbranchdi4): Likewise.
113 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
114 CONST_DOUBLE if the outer code is COMPARE.
115 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
116 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
117 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
118 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
119 Remove redundant fp_{zero,one}_operand checks.
120 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
121 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
122 (expand_cbranchdi4): Likewise.
123 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
124 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
126 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
128 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
131 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
133 * doc/invoke.texi: Fix mfp-trap-mode typo.
135 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
137 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
138 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
139 file_end_indicate_exec_stack.
140 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
142 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
143 for a non-executable stack.
144 * crti.asm: Likewise.
145 * crtn.asm: Likewise.
146 * libunwind.S: Likewise.
148 2006-11-02 Ben Elliston <bje@au.ibm.com>
150 * tree-ssa.c (warn_uninit): Use expand_location variables for
151 locus and declaration locus.
153 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
156 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
157 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
158 cmp{eq,gt,gtu}{si,di}_media.
159 (*cmpne0si_media): Remove.
160 (*movsicc_umin): Adjust gen_cmp*_media call.
161 (unordered): Change the mode of unordered and operands[1] to
163 (seq): Adjust gen_cmp*_media calls. Make the mode of
164 a temporary result of compare SImode if needed. If the mode
165 of operands[0] is DImode, extend the temporary result to DImode.
166 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
167 (sunorderd): Change the mode of match_operand and unorderd to
169 (cmpeq{sf,df}_media): Remove.
170 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
171 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
172 and compare operation to SImode.
174 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
176 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
178 (sparc64-sun-solaris2*): Likewise.
180 2006-11-02 Paul Brook <paul@codesourcery.com>
182 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
183 from priority argument. Use different section for non-default
185 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
187 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
190 * except.c (switch_to_exception_section): Do not cache the section
191 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
192 and flag_function_sections is set.
194 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
197 * builtins.c (do_mpfr_sincos): New.
198 (fold_builtin_1): Use it to fold builtin sincos.
200 2006-11-01 Roger Sayle <roger@eyesopen.com>
202 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
203 it into -D_REENTRANT.
205 2006-11-01 Roger Sayle <roger@eyesopen.com>
207 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
208 whether the assembler supports taking the difference of symbols in
209 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
210 * configure: Regenerate.
211 * config.in: Regenerate.
212 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
213 the assembler doesn't support taking the difference of symbols in
214 different sections, i.e. we're using the native solaris assembler.
216 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
217 Peter Bergner <bergner@vnet.ibm.com>
219 * doc/invoke.texi: Add cpu_type power6x
220 (RS/6000 and PowerPC Options): Add -mmfpgpr.
221 * config.gcc: Add cpu_type power6x.
222 * configure.ac: Add test for mf{t,f}gpr instructions.
223 (HAVE_AS_MFPGPR): New.
224 * config.in: Regenerate.
225 * configure: Regenerate.
226 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
227 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
228 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
229 and mftgpr attributes.
230 (define_attr "cpu"): Add power6.
231 Change instruction sequences to use new attributes.
232 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
233 (fix_truncdfsi2_mfpgpr): New.
234 (floatsidf_ppc64_mfpgpr): New.
235 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
236 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
237 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
238 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
239 (fix_truncdfsi2): Use gpc_reg_operand constraint.
240 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
241 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
242 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
243 cntlz,exts and var_delayed_compare.
244 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
245 _ARCH_PWR6X, if features enabled.
246 * config/rs6000/rs6000.opt (mmfpgpr): New.
247 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
248 (cached_can_issue_more): New variable.
249 (processor_costs): Add power6_cost.
250 (rs6000_sched_init): New function.
251 (is_dispatch_slot_restricted): Deleted.
252 (set_to_load_agen): New function.
253 (is_load_insn,is_store_insn): New functions.
254 (adjacent_mem_locations): New function.
255 (insn_must_be_first_in_group): New function.
256 (insn_must_be_last_in_group): New function.
257 (rs6000_sched_reorder): New function.
258 (rs6000_sched_reorder2): New function.
259 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
260 TARGET_SCHED_REORDER2): Define.
261 (processor_target_table): Use PROCESSOR_POWER6 for power6.
262 Add power6x. Add MASK_MFPGPR for power6x.
263 (POWERPC_MASKS): Add MASK_MFPGPR.
264 (rs6000_override_options): Set rs6000_always_hint to false
265 for power6. Set rs6000_align_branch_targets. Replace
266 rs6000_sched_groups check with rs6000_align_branch_targets.
267 Use PROCESSOR_POWER6.
268 (last_scheduled_insn): New variable.
269 (load_store_pendulum): New variable.
270 (rs6000_variable_issue): Set last_scheduled_insn and
271 cached_can_issue_more.
272 (rs6000_adjust_cost): Add power6 cost adjustments.
273 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
274 with insn_must_be_first_in_group. Add power6 priority adjustments.
275 (rs6000_issue_rate): Add CPU_POWER6.
276 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
277 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
278 (TARGET_MFPGPR): New.
279 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
280 (ASM_CPU_SPEC): Add power6x.
281 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
283 * config/rs6000/power6.md: New file.
285 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
287 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
288 HOST_WIDE_INT_PRINT to print high and low parts. Use
289 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
290 printing a hexadecimal number prefix it with 0x.
292 2006-11-01 Chris Johns <chris@contemporary.net.au>
295 * Makefile.in (install-driver): Use exeext when installing
296 $target-gcc-$version.
298 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
300 * c-common.c (flag_cpp0x): New.
301 * c-common.h (flag_cpp0x): New.
302 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
303 supported, define __GXX_EXPERIMENTAL_CPP0X__.
304 * c-opts.c (set_std_cxx0x): New.
305 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
306 * c.opt (std=c++0x): Document.
307 (std=gnu++0x): Ditto.
308 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
309 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
311 2006-11-01 Richard Guenther <rguenther@suse.de>
313 * config/i386/i386.c (ix86_expand_rint): Fix issues with
315 (ix86_expand_floorceildf_32): Likewise.
316 (ix86_expand_floorceil): Likewise.
317 (ix86_expand_trunc): Likewise.
319 2006-10-31 Andrew Pinski <pinskia@gmail.com>
321 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
324 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
326 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
328 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
330 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
332 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
333 * configure.ac (use_cxa_atexit): As a special case, don't test
334 for libc definition of __cxa_atexit on mingw32
335 * configure: Regenerate.
336 * config.gcc (i[34567]86-pc-mingw32): Default to
337 enable__cxa_atexit=yes.
339 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
341 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
343 2006-10-31 Geoffrey Keating <geoffk@apple.com>
346 * c-decl.c (start_struct): Don't create self-containing
348 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
350 * config/rs6000/rs6000-protos.h
351 (darwin_rs6000_special_round_type_align): New.
352 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
353 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
355 2006-10-31 Geoffrey Keating <geoffk@apple.com>
357 * toplev.c (compile_file): Call final_write_globals
358 even if there have been errors.
360 2006-10-31 Eric Christopher <echristo@apple.com>
361 Falk Hueffner <falk@debian.org>
363 * doc/extend.texi (__builtin_bswap32): Document.
364 (__builtin_bswap64): Ditto.
365 * doc/libgcc.texi (bswapsi2): Document.
367 * doc/rtl.texi (bswap): Document.
368 * optabs.c (expand_unop): Don't widen a bswap.
369 (init_optabs): Init bswap. Set libfuncs explicitly
370 for bswapsi2 and bswapdi2.
371 * optabs.h (OTI_bswap): New.
372 (bswap_optab): Ditto.
373 * genopinit.c (optabs): Handle bswap_optab.
374 * tree.h (tree_index): Add TI_UINT32_TYPE and
376 (uint32_type_node): New.
377 (uint64_type_node): Ditto.
378 * tree.c (build_common_tree_nodes_2): Initialize
379 uint32_type_node and uint64_type_node.
380 * builtins.c (expand_builtin_bswap): New.
381 (expand_builtin): Call.
382 (fold_builtin_bswap): New.
383 (fold_builtin_1): Call.
384 * fold-const.c (tree_expr_nonnegative_p): Return true
386 * builtin-types.def (BT_UINT32): New.
388 (BT_FN_UINT32_UINT32): Ditto.
389 (BT_FN_UINT64_UINT64): Ditto.
390 * builtins.def (BUILT_IN_BSWAP32): New.
391 (BUILT_IN_BSWAP64): Ditto.
392 * rtl.def (BSWAP): New.
393 * genattrtab.c (check_attr_value): New.
394 * libgcc2.c (__bswapSI2): New.
396 * libgcc2.h (__bswapSI2): Declare.
398 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
399 * simplify-rtx.c (simplify_const_unary_operation): Return
401 * libgcc-std.ver (__bwapsi2): Add.
403 * reload1.c (eliminate_regs_1): Add bswap.
404 (elimination_effects): Ditto.
405 * config/i386/i386.h (x86_bswap): New.
407 * config/i386/i386.c (x86_bswap): Set.
409 2006-10-31 Geoffrey Keating <geoffk@apple.com>
411 * coverage.c (coverage_checksum_string): Update comment.
412 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
413 of get_file_function_name.
414 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
415 of get_file_function_name_long.
416 * tree.c (get_file_function_name): Rename from
417 get_file_function_name_long; improve comment; handle 'I' and 'D'
418 specially when the target has ctor/dtor support; remove special
420 (get_file_function_name): Remove.
421 * tree.h (get_file_function_name): Rename from
422 get_file_function_name_long.
423 (get_file_function_name): Remove prototype.
425 2006-10-31 Geoffrey Keating <geoffk@apple.com>
427 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
428 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
430 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
431 Call dsymutil when compiling and linking one or more source files
434 2006-10-31 Geoffrey Keating <geoffk@apple.com>
437 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
439 2006-10-31 Geoffrey Keating <geoffk@apple.com>
441 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
442 inline static functions in c99 mode.
445 * doc/extend.texi (Inline): Update.
446 * c-tree.h (struct language_function): Remove field 'extern_inline'.
447 * c-decl.c (current_extern_inline): Delete.
448 (pop_scope): Adjust test for an undefined nested function.
449 Add warning about undeclared inline function.
450 (diagnose_mismatched_decls): Update comments. Disallow overriding
451 of inline functions in a translation unit in C99. Allow inline
452 declarations in C99 at any time.
453 (merge_decls): Boolize variables. Handle C99 'extern inline'
455 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
456 C99 inline semantics.
457 (start_function): Don't clear current_extern_inline. Don't set
459 (c_push_function_context): Don't push current_extern_inline.
460 (c_pop_function_context): Don't restore current_extern_inline.
463 * c-typeck.c (build_external_ref): Warn about static variables
464 used in extern inline functions.
465 * c-decl.c (start_decl): Warn about static variables declared
466 in extern inline functions.
468 2006-10-31 Roger Sayle <roger@eyesopen.com>
471 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
472 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
473 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
474 or y is an even integer.
476 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
479 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
480 * gthr-posix95.h (__gthread_active_p): Likewise.
482 2006-10-31 Richard Guenther <rguenther@suse.de>
484 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
485 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
486 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
487 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
488 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
489 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
490 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
491 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
494 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
496 * opts.c (decode_options): Disable CSE skip blocks.
498 2006-10-30 Dirk Mueller <dmueller@suse.de>
500 * c-common.h (strict_aliasing_warning): Fix whitespace.
501 * c-decl (start_function): Move code for main decl warning ..
502 * c-common.c (check_main_parameter_types): .. here.
503 * c-common.h (check_main_parameter_types): Declare.
505 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
508 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
510 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
512 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
513 be a PARALLEL containing sets. Return false when out_pat is not
516 2006-10-30 Richard Sandiford <richard@codesourcery.com>
518 * config/mips/mips.md (mul<mode>3): Split into...
519 (mulsi3, muldi3): ...these separate patterns.
521 2006-10-30 Richard Sandiford <richard@codesourcery.com>
523 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
524 but with each set of options separated by spaces.
526 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
528 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
529 dwarf_reg_size_table has been initialized.
531 2006-10-30 Roger Sayle <roger@eyesopen.com>
533 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
534 * ddg.c (print_ddg_edge): Likewise.
535 * dwarf2out.c (prune_unused_types_walk): Likewise.
536 * ifcvt.c (noce_try_cmove_arith): Likewise.
537 * langhooks.c (add_builtin_function): Likewise.
538 * reg-stack.c (subst_stack_regs_pat): Likewise.
539 * tree.c (expanded_location): Likewise.
540 * tree-dump.c (dequeue_and_dump): Likewise.
542 2006-10-30 David Daney <ddaney@avtrex.com>
544 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
546 2006-10-30 Jakub Jelinek <jakub@redhat.com>
548 PR tree-optimization/29637
549 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
550 of the innertype is the innertype itself.
552 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
554 * dwarf2out.c (file_name_acquire): Correct typo.
556 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
558 * tree.h (tree_value_handle): Remove struct value_set declaration.
559 Change value_set to bitmap_set.
560 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
561 * tree-vn.c (get_value_handle): Made inline and moved to
563 * tree-flow-inline.h: (has_stmt_ann): New function.
564 * tree-ssa-pre.c (expressions): New variable.
565 (next_expression_id): Ditto.
566 (alloc_expression_id): New function.
567 (struct value_set): Remove.
568 (get_expression_id): New function.
569 (get_or_alloc_expression_id): Ditto.
570 (expression_for_id): Ditto.
571 (clear_expression_ids): Ditto.
572 (FOR_EACH_EXPR_ID_IN_SET): New macro.
573 (bb_value_sets): Renamed to bb_bitmap_sets.
574 All value sets replaced with bitmap_sets.
576 (BB_VISITED): New macro.
577 (postorder): New variable.
578 (add_to_value): Removed.
579 (value_exists_in_set_bitmap): Ditto.
580 (value_insert_into_set_bitmap): Ditto.
584 (set_contains_value): Ditto.
585 (insert_into_set): Ditto.
587 (find_leader): Ditto.
588 (bitmap_set_subtract_from_value_set): Ditto.
589 (value_insert_into_set): Ditto.
590 (print_value_set): Ditto.
591 (debug_value_set): Ditto.
592 (constant_expr_p): New function.
593 (bitmap_remove_from_set): Ditto.
594 (bitmap_insert_into_set): Ditto.
595 (bitmap_set_free): Ditto.
597 (sorted_array_from_bitmap_set): Ditto.
598 (bitmap_set_subtract): Ditto.
599 (bitmap_set_equal): Ditto.
600 (debug_bitmap_set): Ditto.
601 (find_leader_in_sets): Ditto.
602 (bitmap_set_replace_value): Modify for bitmapped sets.
603 (phi_translate): Ditto.
604 (phi_translate_set): Ditto.
605 (bitmap_find_leader): Ditto.
606 (valid_in_sets): Ditto.
607 (union_contains_value): Ditto.
609 (compute_antic_aux): Ditto. Mark changed blocks.
610 (compute_antic): Ditto. Iterate in postorder and only over
612 (compute_rvuse_and_antic_safe): Reuse postorder.
613 (create_component_ref_by_pieces): Modify for bitmapped sets.
614 (find_or_generate_expression): Ditto.
615 (create_expression_by_pieces): Ditto.
616 (insert_into_preds_of_block): Ditto.
617 (changed_blocks): New variable.
618 (do_regular_insertion): Broken out from insert_aux.
619 (insert_aux): Modified for bitmapped sets.
620 (find_existing_value_expr): New function.
621 (create_value_expr_from): Use it.
622 (insert_extra_phis): Removed.
623 (print_bitmap_set): Renamed from bitmap_print_value_set.
624 (compute_avail): Handle RETURN_EXPR.
625 (init_pre): Modify for bitmapped sets.
626 * tree-flow.h (has_stmt_ann): New function.
628 2006-10-29 Roger Sayle <roger@eyesopen.com>
630 * builtins.c (fold_builtin_floor): Check for the availability of
631 the C99 trunc function before transforming floor into trunc.
633 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
635 * builtins.c (fold_builtin_hypot): Rearrange recursive
636 transformation before others, and also do ABS_EXPR. When
637 necessary, check flag_unsafe_math_optimizations. When necessary,
640 2006-10-29 Roger Sayle <roger@eyesopen.com>
642 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
643 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
644 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
645 Fold -X eq/ne -Y as X eq/ne Y.
647 2006-10-29 Richard Sandiford <richard@codesourcery.com>
649 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
650 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
651 rather than GENERATE_MULT3_SI in the various define_peephole2s.
652 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
653 Use an inclusive test for "mult" rather than "mul".
654 (rotr<mode>3): Depend on ISA_HAS_ROR.
655 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
657 (GENERATE_MULT3_DI): Delete.
658 (ISA_HAS_64BIT_REGS): Use consistent formatting.
659 (ISA_HAS_MUL3): New macro.
660 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
661 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
662 (ISA_HAS_CLZ_CLO): Likewise.
663 (ISA_HAS_DCLZ_DCLO): Delete.
664 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
665 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
666 the VR4120 and VR4130.
667 (ISA_HAS_MACCHI): Use consistent formatting.
668 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
669 (ISA_HAS_ROR): ...this new macro.
670 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
671 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
672 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
674 2006-10-29 Roger Sayle <roger@eyesopen.com>
676 PR tree-optimization/15458
677 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
680 2006-10-29 Richard Guenther <rguenther@suse.de>
682 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
683 (ix86_expand_truncdf_32): Likewise.
684 * config/i386/i386.c (ix86_expand_trunc): New function expanding
685 trunc inline for SSE math and -fno-trapping-math and if not
687 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
688 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
689 for expanding btrunc inline for SSE math.
691 2006-10-29 Joseph Myers <joseph@codesourcery.com>
693 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
694 Handle tuning for bi-arch i[34567]86-*-linux* like that for
695 i[34567]86-*-solaris2.1[0-9]*.
696 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
697 Define conditionally depending on TARGET_64BIT_DEFAULT.
698 (SPEC_32, SPEC_64): Define.
699 (LINK_SPEC): Use them.
700 * doc/install.texi (--enable-targets=all): Document for x86-linux.
702 2006-10-29 Richard Guenther <rguenther@suse.de>
704 * config/i386/i386-protos.h (ix86_expand_round): Declare.
705 (ix86_expand_rounddf_32): Likewise.
706 * config/i386/i386.c (ix86_expand_round): New function expanding
707 round inline for SSE math and -fno-trapping-math and if not
709 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
710 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
711 round via ix86_expand_round.
713 2006-10-29 Richard Guenther <rguenther@suse.de>
715 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
716 (ix86_expand_floorceildf_32): Likewise.
717 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
718 static helper function.
719 (ix86_expand_floorceil): Expander for floor and ceil to SSE
721 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
722 * config/i386/i386.md (floordf2): Adjust to enable floor
723 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
724 -fno-trapping-math is enabled and if not optimizing for size.
725 (floorsf2, ceildf2, ceilsf2): Likewise.
726 * config/i386/sse.md (sse_maskcmpsf3): New insn.
727 (sse2_maskcmpdf3): Likewise.
729 2006-10-29 Richard Guenther <rguenther@suse.de>
731 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
732 rint in case -fno-trapping-math is enabled.
733 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
734 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
735 (ix86_expand_sse_fabs): Likewise.
736 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
737 * config/i386/i386.md (rintdf2): Enable for SSE math if
738 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
741 2006-10-29 Richard Guenther <rguenther@suse.de>
743 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
744 to conversion optabs.
745 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
747 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
748 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
749 (lfloor_optab, lceil_optab): Adjust defines.
750 * builtins.c (expand_builtin_int_roundingfn): Adjust for
751 lfloor and lceil optabs now being conversion optabs.
752 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
753 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
754 New static helper function.
755 (ix86_expand_lfloorceil): New function to expand lfloor and
757 * config/i386/i386.md (lfloor<mode>2): Split into ...
758 (lfloorxf<mode>2): ... x87 variant
759 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
760 using ix86_expand_lfloorceil.
761 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
763 * doc/md.texi (lfloorMN, lceilMN): Document.
765 2006-10-29 Richard Sandiford <richard@codesourcery.com>
767 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
768 -mno-shared assembler option on mips targets.
769 * configure, config.in: Regenerate.
770 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
771 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
772 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
774 2006-10-29 Richard Sandiford <richard@codesourcery.com>
776 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
777 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
779 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
781 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
782 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
785 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
788 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
789 (fold_builtin_pow): Evaluate constant arguments at compile-time
791 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
792 (do_mpfr_ckconv): New helper function.
793 (do_mpfr_arg1): Use do_mpfr_ckconv.
796 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
799 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
800 (-fdump-rtl-sched): Rename to ..
801 (-fdump-rtl-sched1): here. Also fix file extension number.
803 2006-10-28 Richard Guenther <rguenther@suse.de>
805 * fold-const.c (maybe_canonicalize_comparison): Fix code
808 2006-10-28 Uros Bizjak <uros@kss-loka.si>
810 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
811 (NON_QI_REG_P): Use IN_RANGE.
812 (REX_INT_REGNO_P): Use IN_RANGE.
813 (FP_REGNO_P): Use IN_RANGE.
814 (SSE_REGNO_P): Use IN_RANGE.
815 (REX_SSE_REGNO_P): Use IN_RANGE.
816 (MMX_REGNO_P): Use IN_RANGE.
817 (STACK_REGNO_P): New macro.
818 (STACK_REG_P): Use STACK_REGNO_P.
819 (NON_STACK_REG_P): Use STACK_REGNO_P.
820 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
821 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
822 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
823 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
824 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
826 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
828 * except.h (output_function_exception_table): Add 'const char*' param.
829 * except.c (switch_to_exception_section): Add 'const char*' param.
830 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
831 and flag_function_sections is set, use a function-specific section.
832 (output_function_exception_table): Add 'const char*' param.
833 Adjust call to switch_to_exception_section.
834 * final.c (rest_of_handle_final): Adjust calls to
835 output_function_exception_table.
836 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
837 * config.in: Regenerate.
838 * configure: Likewise.
840 2006-10-28 Richard Guenther <rguenther@suse.de>
843 * fold-const.c (maybe_canonicalize_comparison_1): Helper
844 for maybe_canonicalize_comparison.
845 (maybe_canonicalize_comparison): New function for canonicalizing
847 (fold_comparison): Call it to canonicalize comparisons with
850 2006-10-28 Richard Guenther <rguenther@suse.de>
853 * builtins.c (expand_builtin_int_roundingfn_2): Expand
854 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
855 (expand_builtin): Adjust likewise.
856 * genopinit.c (optabs[]): Add lround optab.
857 * optabs.c (init_optabs): Initialize lround_optab.
858 * optabs.h (enum convert_optab_index): Add COI_lround.
859 (lround_optab): Define.
860 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
861 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
863 (ix86_expand_lround): New function.
864 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
866 * doc/md.texi (lroundMN2): Document.
868 2006-10-28 Uros Bizjak <uros@kss-loka.si>
871 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
872 argument to HOST_WIDE_INT. Update function prototype.
873 (round_frame_size): Change return type to HOST_WIDE_INT. Change
874 "size" argument to HOST_WIDE_INT. Update function prototype.
876 2006-10-28 Uros Bizjak <uros@kss-loka.si>
878 * config/i386/i386.c (output_387_ffreep): Create output from a
879 template string for !HAVE_AS_IX86_FFREEP.
881 2006-10-27 Eric Christopher <echristo@apple.com>
883 * config/darwin.c: Fix formatting and grammar.
885 2006-10-27 Jan Hubicka <jh@suse.cz>
887 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
888 to be thrown away soon when IGNORE is set.
889 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
890 indicating when return value shall not be computed.
891 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
893 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
895 * config/i386/i386.h (TARGET_GEODE):
896 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
897 (TARGET_CPU_DEFAULT_geode): New macro.
898 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
899 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
900 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
901 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
902 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
904 (TARGET_CPU_DEFAULT_NAMES): Add geode.
905 (processor_type): Add PROCESSOR_GEODE.
907 * config/i386/i386.md: Include geode.md.
910 * config/i386/i386.c (geode_cost): New initialized global
912 (m_GEODE, m_K6_GEODE): New macros.
913 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
914 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
915 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
916 x86_schedule): Use m_K6_GEODE instead of m_K6.
917 (x86_movx, x86_cmove): Set up m_GEODE.
918 (x86_integer_DFmode_moves): Clear m_GEODE.
919 (processor_target_table): Add entry for geode.
920 (processor_alias_table): Ditto.
922 * config/i386/geode.md: New file.
924 * doc/invoke.texi: Add entry about geode processor.
926 2006-10-27 Mike Stump <mrs@apple.com>
928 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
929 __DYNAMIC__ from here back to ...
930 * config/darwin.h (CPP_SPEC): ... here.
932 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
933 Nathan Sidwell <nathan@codesourcery.com>
935 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
936 when choosing the minimum heapsize.
938 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
940 * gcc/unwind-dw2.h: Move cfa-related variables into
941 struct frame_state_reg_info to ensure that the CFA is properly
942 handled when executing DW_CFA_{remember,restore}_state.
943 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
944 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
945 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
946 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
947 gcc/config/rs6000/linux-unwind.h,
948 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
949 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
950 Modify to use new cfa_* fields.
952 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
954 * config/s390/s390.c (s390_init_frame_layout): Check positive
957 2006-10-26 Ben Elliston <bje@au.ibm.com>
959 * gimplify.c (get_name): Remove extraneous break.
960 (gimplify_omp_for): Initialise ret with GS_OK.
962 2006-10-25 Steve Ellcey <sje@cup.hp.com>
964 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
965 Add unix98.o to link line.
967 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
970 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
971 Calculate compile-time constants using MPFR.
972 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
973 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
975 2006-10-25 Bob Wilson <bob.wilson@acm.org>
977 * config/xtensa/lib2funcs.S: Use C-style comments.
979 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
981 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
982 (file_table_relative_p): Likewise.
983 (dwarf2out_finish): Likewise.
984 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
986 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
988 * tree-ssa-structalias.c (intra_create_variable_infos):
989 Don't recreate nonlocal_all if it already exists.
991 2006-10-25 Richard Guenther <rguenther@suse.de>
994 * optabs.h (enum optab_index): Remove OTI_lrint.
995 (enum convert_optab_index): Add COI_lrint.
996 (lrint_optab): Adjust.
997 (expand_sfix_optab): Declare.
998 * optabs.c (expand_sfix_optab): New function.
999 (init_optabs): Init lrint_optab as conversion optab.
1000 * genopinit.c (lrint_optab): Change to a conversion optab.
1001 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1002 expansion via conversion optab.
1003 * config/i386/i386.md (*fistdi2_1): Remove
1004 flag_unsafe_math_optimizations guard.
1005 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1006 fist<mode>2_with_temp): Likewise.
1007 (lrint<mode>2): Split into...
1008 (lrintxf<mode>2): ... x87 part
1009 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1010 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1011 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1012 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1013 * doc/md.texi (lrintMN2): Document.
1015 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1018 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1019 Use inc and dec instructions for TARGET_USE_INCDEC.
1020 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1021 ("sync_double_compare_and_swap<mode>"): Likewise.
1022 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1023 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1024 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1025 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1026 ("sync_old_add<mode>"): Likewise.
1027 ("sync_lock_test_and_set<mode>"): Likewise.
1028 ("sync_lock_test_and_set<mode>"): Likewise.
1029 ("sync_add<mode>"): Likewise.
1030 ("sync_sub<mode>"): Likewise.
1031 ("sync_ior<mode>"): Likewise.
1032 ("sync_and<mode>"): Likewise.
1033 ("sync_xor<mode>"): Likewise.
1035 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1037 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1038 (remainder_optab): Define corresponding macro.
1039 (drem_optab): Remove.
1040 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1041 drem_optab initialization.
1042 * genopinit.c (optabs): Implement remainder_optab using
1043 remainder?f3 patterns. Remove drem_optab.
1044 * builtins.c (expand_builtin_mathfn_2): Handle
1045 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1046 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1047 expand_builtin_mathfn_2.
1049 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1050 depend on flag_unsafe_math_optimizations.
1052 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1053 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1054 Do not depend on flag_unsafe_math_optimizations. Use
1055 truncxf?f expander instead of truncxf?f_i387_noop.
1057 ("fpremxf4", "fprem1xf4"): Do not depend on
1058 flag_unsafe_math_optimizations.
1059 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1060 flag_unsafe_math_optimizations. Use truncxf?f expander
1061 instead of truncxf?f_i387_noop.
1063 * doc/md.texi (fmod, remainder): Document standard named pattern.
1065 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1066 David Daney <ddaney@avtrex.com>
1069 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1071 2006-10-25 Ben Elliston <bje@au.ibm.com>
1073 * doc/extend.texi (Variable Attributes): Typo fix.
1075 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1077 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1078 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1079 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1080 (FRAME_POINTER_REGNUM): Update register number to 21.
1081 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1082 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1084 * config/i386/i386.c (regclass_map): Add fpcr entry.
1085 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1087 (print_reg): Assert REGNO (x) != FPCR_REG.
1089 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1090 (DIRFLAG_REG): Renumber.
1091 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1092 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1093 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1094 hardcoded SSE register numbers.
1096 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1097 hardcoded MMX register numbers.
1099 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1102 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1103 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1105 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1106 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1107 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1108 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1110 2006-10-24 Richard Guenther <rguenther@suse.de>
1113 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1114 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1115 for deciding optimizations in consistency with fold-const.c
1116 (fold_builtin_unordered_cmp): Likewise.
1118 2006-10-24 Richard Guenther <rguenther@suse.de>
1120 * builtins.c (fold_builtin_floor): Fold floor (x) where
1121 x is nonnegative to trunc (x).
1122 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1123 nonnegative to FIX_TRUNC_EXPR.
1125 2006-10-24 Richard Guenther <rguenther@suse.de>
1127 PR tree-optimization/29567
1128 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1129 for TRUTH_NOT_EXPR. Clarify comments.
1131 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1134 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1135 at compile-time using MPFR. Change parameter VALUE to FUNC,
1137 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1138 for overflow and underflow at all times and avoid folding in
1141 2006-10-24 Ben Elliston <bje@au.ibm.com>
1143 * reload1.c: Formatting fixes.
1145 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1147 PR tree-optimization/14784
1148 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1149 * tree-ssa-structalias.c (get_constraint_for,
1150 intra_create_variable_infos): Set is_heapvar.
1151 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1152 non-heapvar pointer variables specially.
1154 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1157 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1158 fold_builtin_tan): Fold all constant arguments. Take a "type"
1159 argument as necessary.
1160 (do_mpfr_arg1): New.
1161 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1163 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1165 * config/xtensa/lib1funcs.asm: Use C-style comments.
1167 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1169 * tree.c (local_define_builtin): Replace calls to
1170 lang_hooks.builtin_function with add_builtin_function.
1171 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1173 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1175 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1176 common code to add_builtin_function.
1177 * langhooks.c (add_builtin_function): New function.
1178 (lhd_builtin_function): New function.
1179 * langhooks.h (struct lang_hooks): Change the signature of
1181 (add_builtin_function): New function.
1182 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1183 calls to lang_hooks.builtin_function with add_builtin_function.
1184 * c-common.c (decl_builtin_1): Replace calls to
1185 lang_hooks.builtin_function with add_builtin_function.
1186 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1187 lang_hooks.builtin_function with add_builtin_function.
1188 * config/frv/frv.c (def_builtin): Replace calls to
1189 lang_hooks.builtin_function with add_builtin_function.
1190 * config/s390/s390.c (s390_init_builtins): Replace calls to
1191 lang_hooks.builtin_function with add_builtin_function.
1192 * config/sparc/sparc.c (def_builtin): Replace calls to
1193 lang_hooks.builtin_function with add_builtin_function.
1194 * config/i386/i386.c (def_builtin): Replace calls to
1195 lang_hooks.builtin_function with add_builtin_function.
1196 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1197 lang_hooks.builtin_function with add_builtin_function.
1198 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1199 lang_hooks.builtin_function with add_builtin_function.
1200 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1201 Replace calls to lang_hooks.builtin_function with
1202 add_builtin_function.
1203 * config/iq2000/iq2000.c (def_builtin):
1204 Replace calls to lang_hooks.builtin_function with
1205 add_builtin_function.
1206 * config/ia64/ia64.c (def_builtin): Replace calls to
1207 lang_hooks.builtin_function with add_builtin_function.
1208 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1209 lang_hooks.builtin_function with add_builtin_function.
1210 (altivec_init_builtins): Replace calls to
1211 lang_hooks.builtin_function with add_builtin_function.
1212 * config/arm/arm.c (def_mbuiltin): Replace calls to
1213 lang_hooks.builtin_function with add_builtin_function.
1214 (arm_init_tls_builtins): Replace calls to
1215 lang_hooks.builtin_function with add_builtin_function.
1216 * config/mips/mips.c (mips_init_builtins): Replace calls to
1217 lang_hooks.builtin_function with add_builtin_function.
1218 * config/bfin/bfin.c (def_builtin): Replace calls to
1219 lang_hooks.builtin_function with add_builtin_function.
1220 * langhooks-def.h (lhd_builtin_function): New function.
1221 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1223 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1225 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1226 BUILT_IN_STRNCAT_CHK.
1228 2006-10-23 Jan Hubicka <jh@suse.cz>
1230 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1231 don't do conversion from memmove to memcpy here.
1232 (expand_builtin_bcopy, expand_builtin): Update call of
1233 expand_builtin_memmove.
1234 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1236 2006-10-23 Paul Brook <paul@codesourcery.com>
1238 * stor-layout.c (start_record_layout): maximum_field_alignment
1239 overrides STRUCTURE_SIZE_BOUNDARY.
1241 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1243 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1244 nonlocal function symbols if flag_pic.
1246 2006-10-23 Richard Guenther <rguenther@suse.de>
1250 * builtins.c (fold_binary): Remove checks for flag_wrapv
1251 and flag_trapv where negate_expr_p covers these cases.
1253 2006-10-23 Richard Guenther <rguenther@suse.de>
1256 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1257 of two on the absolute value.
1258 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1259 and negating -C does not overflow.
1261 2006-10-23 Richard Guenther <rguenther@suse.de>
1264 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1265 only if not flag_rounding_math.
1267 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1268 Kaz Kojima <kkojima@gcc.gnu.org>
1271 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1272 SImode memory reference for the source of a movua.
1273 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1274 (movua): Use an unspec instead of sign_extract. Expect the source
1275 to have mode BLKmode.
1276 (extv, insv): Use a BLKmode rather than SImode memory reference
1277 for the source of a movua.
1279 2006-10-22 Jeff Law <law@redhat.com>
1280 Richard Guenther <rguenther@suse.de>
1282 PR tree-optimization/15911
1283 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1284 (register_edge_assert_for_1): Likewise.
1285 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1286 (find_conditional_asserts): Adjust for new function signature.
1287 (find_assert_locations): Likewise.
1289 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1291 * config/i386/tmmintrin.h: Remove the duplicated content.
1293 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1295 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1296 (x86_64-*-*): Likewise.
1298 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1299 (override_options): Check SSSE3.
1300 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1301 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1302 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1303 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1304 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1305 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1306 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1307 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1308 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1309 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1310 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1311 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1312 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1313 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1314 IX86_BUILTIN_PABSD128.
1315 (bdesc_2arg): Add SSSE3.
1316 (bdesc_1arg): Likewise.
1317 (ix86_init_mmx_sse_builtins): Support SSSE3.
1318 (ix86_expand_builtin): Likewise.
1319 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1321 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1322 (UNSPEC_PSIGN): Likewise.
1323 (UNSPEC_PALIGNR): Likewise.
1324 Include mmx.md before sse.md.
1326 * config/i386/i386.opt: Add -mssse3.
1328 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1329 (ssse3_phaddwv4hi3): Likewise.
1330 (ssse3_phadddv4si3): Likewise.
1331 (ssse3_phadddv2si3): Likewise.
1332 (ssse3_phaddswv8hi3): Likewise.
1333 (ssse3_phaddswv4hi3): Likewise.
1334 (ssse3_phsubwv8hi3): Likewise.
1335 (ssse3_phsubwv4hi3): Likewise.
1336 (ssse3_phsubdv4si3): Likewise.
1337 (ssse3_phsubdv2si3): Likewise.
1338 (ssse3_phsubswv8hi3): Likewise.
1339 (ssse3_phsubswv4hi3): Likewise.
1340 (ssse3_pmaddubswv8hi3): Likewise.
1341 (ssse3_pmaddubswv4hi3): Likewise.
1342 (ssse3_pmulhrswv8hi3): Likewise.
1343 (ssse3_pmulhrswv4hi3): Likewise.
1344 (ssse3_pshufbv16qi3): Likewise.
1345 (ssse3_pshufbv8qi3): Likewise.
1346 (ssse3_psign<mode>3): Likewise.
1347 (ssse3_psign<mode>3): Likewise.
1348 (ssse3_palignrti): Likewise.
1349 (ssse3_palignrdi): Likewise.
1350 (abs<mode>2): Likewise.
1351 (abs<mode>2): Likewise.
1353 * config/i386/tmmintrin.h: New file.
1355 * doc/extend.texi: Document SSSE3 built-in functions.
1357 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1359 2006-10-22 Ira Rosen <irar@il.ibm.com>
1361 * tree-vect-transform.c (vectorizable_load): Use the type of the
1362 return value of the mask_for_load builtin to create realign_load
1365 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1367 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1370 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1372 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1373 (UNSPEC_LDDQU): This.
1374 * config/i386/sse.md (sse3_lddqu): Updated.
1376 2006-10-21 Richard Guenther <rguenther@suse.de>
1378 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1379 (expand_builtin): Use it to expand lrint instead of
1380 expand_builtin_mathfn.
1382 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1385 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1386 flag_unsafe_math_optimizations is set.
1388 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1391 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1392 patterns to use memory input operand in x87->mem->XMM
1393 reload sequences. Skip transformation for TARGET_K8.
1395 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1397 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1398 force operand1 to register if both operands are memory operands.
1399 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1400 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1401 if both operands are memory operands.
1402 (truncdfsf2): Do not force operand1 to register if both operands
1403 are memory operands.
1405 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1407 * Makefile.in (LIBS): Add $(GMPLIBS).
1408 * doc/install.texi: Update GMP and MPFR requirements.
1409 * doc/sourcebuild.texi (need_gmp): Delete.
1411 2006-10-21 Richard Guenther <rguenther@suse.de>
1413 PR tree-optimization/3511
1414 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1415 got new invariant arguments during PHI translation.
1417 2006-10-21 Richard Guenther <rguenther@suse.de>
1420 * fold-const.c (fold_comparison): Fold signed comparisons
1421 of the form X +- C1 CMP Y +- C2.
1423 2006-10-21 Richard Guenther <rguenther@suse.de>
1426 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1427 if flag_unsafe_math_optimizations is specified. We have
1428 flag_finite_math_only for that.
1429 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1430 or flag_unsafe_math_optimizations.
1432 2006-10-21 Richard Guenther <rguenther@suse.de>
1434 * builtins.c (fold_builtin_classify): Fix typo.
1436 2006-10-21 Richard Guenther <rguenther@suse.de>
1439 * simplify-rtx.c (simplify_const_relational_operation):
1440 Do not constant-fold ORDERED and UNORDERED for
1441 flag_unsafe_math_optimizations but only we do not need to
1442 honor NaNs for the given mode.
1444 2006-10-21 Richard Guenther <rguenther@suse.de>
1447 * config/i386/i386.c (classify_argument): Remove redundant
1448 walking of the BINFOs.
1449 (contains_128bit_aligned_vector_p): Likewise.
1451 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1453 * BASE-VER: Set to 4.3.0.
1455 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1457 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1458 (tree_decl_with_vis): Remove artificial_pta_var flag.
1459 * tree-flow.h (referenced_var_check_and_insert): Expose.
1460 (nonlocal_all): New prototype.
1461 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1462 (nonlocal_all): Make global.
1463 (nonlocal_lookup): Remove.
1464 (nonlocal_insert): Ditto.
1465 (create_nonlocal_var): Do not call nonlocal_insert.
1466 (get_nonlocal_id_for_type): Remove.
1467 (find_global_initializers): Mark new vars we find for renaming.
1468 (intra_create_variable_infos): Only create one nonlocal.
1469 (expand_nonlocal_solutions): Remove.
1470 (compute_points_to_sets): Don't call it.
1471 (ipa_pta_execute): Ditto.
1472 (init_alias_heapvars): Don't create nonlocal_for_type.
1473 (delete_alias_heapvars): Don't remove it.
1474 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1477 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1479 * doc/install.texi (Downloading GCC): Clarify mention of
1480 Fortran in the "full distribution" description.
1482 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1484 Fix PR tree-optimization/28778
1485 Fix PR tree-optimization/29156
1486 Fix PR tree-optimization/29415
1487 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1488 (tree_decl_with_vis): Add artificial_pta_var flag.
1489 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1490 pushed into callers.
1491 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1492 (nonlocal_all): Ditto.
1493 (struct variable_info): Add directly_dereferenced member.
1494 (var_escaped_vars): New variable.
1495 (escaped_vars_tree): Ditto.
1496 (escaped_vars_id): Ditto.
1497 (nonlocal_vars_id): Ditto.
1498 (new_var_info): Set directly_dereferenced.
1499 (graph_size): New variable
1500 (build_constraint_graph): Use graph_size.
1501 (solve_graph): Don't process constraints that cannot change the
1502 solution, don't try to propagate an empty solution to our
1504 (process_constraint): Set directly_dereferenced.
1505 (could_have_pointers): New function.
1506 (get_constraint_for_component_ref): Don't process STRING_CST.
1507 (nonlocal_lookup): New function.
1508 (nonlocal_insert): Ditto.
1509 (create_nonlocal_var): Ditto.
1510 (get_nonlocal_id_for_type): Ditto.
1511 (get_constraint_for): Allow results vector to be empty in the case
1512 of string constants.
1513 Handle results of calls properly.
1514 (update_alias_info): Update alias info stats on number and type of
1516 (find_func_aliases): Use could_have_pointers.
1517 (make_constraint_from_escaped): Renamed from
1518 make_constraint_to_anything, and changed to make constraints from
1520 (make_constraint_to_escaped): New function.
1521 (find_global_initializers): Ditto.
1522 (create_variable_info_for): Make constraint from escaped to any
1523 global variable, and from any global variable to the set of
1525 (intra_create_variable_infos): Deal with escaped instead of
1526 pointing to anything.
1527 (set_uids_in_ptset): Do type pruning on directly dereferenced
1529 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1530 (init_base_vars): Fix comment, and initialize escaped_vars.
1531 (need_to_solve): Removed.
1532 (find_escape_constraints): New function.
1533 (expand_nonlocal_solutions): Ditto.
1534 (compute_points_to_sets): Call find_escape_constraints and
1535 expand_nonlocal_solutions.
1536 (delete_points_to_sets): Don't fall off the end of the graph.
1537 (init_alias_heapvars): Initialize nonlocal_for_type and
1539 (delete_alias_heapvars): Free nonlocal_for_type and null out
1542 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1544 * fold-const.c (add_double): Rename to add_double_with_sign.
1545 Add 'unsigned_p' parameter and take it into account for the overflow.
1546 (mul_double): Rename to mul_double_with_sign.
1547 Add 'unsigned_p' parameter and take it into account for the overflow.
1548 (fold_div_compare): Call add_double_with_sign instead of add_double
1549 and mul_double_with_sign instead of mul_double, passing them the
1550 unsignedness of the type.
1551 * tree.h (add_double): Macroize.
1552 (add_double_with_sign): New prototype.
1553 (mul_double): Macroize.
1554 (mul_double_with_sign): New prototype.
1556 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1558 * config/score/crti.asm: New file.
1559 * config/score/crtn.asm: New file.
1560 * config/score/elf.h: New file.
1561 * config/score/mac.md: New file.
1562 * config/score/misc.md: New file.
1563 * config/score/mul-div.S: New file.
1564 * config/score/predicates.md: New file.
1565 * config/score/score7.md: New file.
1566 * config/score/score.c: New file.
1567 * config/score/score-conv.h: New file.
1568 * config/score/score.h: New file.
1569 * config/score/score.md: New file.
1570 * config/score/score-mdaux.c: New file.
1571 * config/score/score-mdaux.h: New file.
1572 * config/score/score-modes.def: New file.
1573 * config/score/score.opt: New file.
1574 * config/score/score-protos.h: New file.
1575 * config/score/score-version.h: New file.
1576 * config/score/t-score-elf: New file.
1577 * config.gcc: Add score*-*-* configurations(Update before).
1578 * doc/invoke.texi (Score Options): New section.
1579 * doc/md.texi (Score family): New section to document constraints.
1581 2006-10-19 Nick Clifton <nickc@redhat.com>
1583 * config/arm/arm.c: Fix spelling typo.
1585 2006-10-18 Tom Tromey <tromey@redhat.com>
1587 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1589 2006-10-18 Jan Hubicka <jh@suse.cz>
1592 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1595 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1597 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1598 TSI_SAME_STMT, since that's the desired entity.
1600 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1602 * config/s390/contraints.md: New file.
1603 * config/s390/s390-protos.h (s390_mem_constraint,
1604 s390_O_constraint_str, s390_N_constraint_str,
1605 s390_float_const_zero_p): Function prototypes added.
1606 * config/s390/s390.c (s390_extra_constraint_str,
1607 s390_const_double_ok_for_constraint_p,
1608 s390_const_ok_for_constraint_p): Functions removed.
1609 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1610 s390_float_const_zero_p): New functions.
1611 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1612 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1613 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1614 Macro definitions removed.
1615 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1616 s390_extra_constraint_str): Functions removed.
1618 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1619 Richard Sandiford <richard@codesourcery.com>
1622 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1623 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1625 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1627 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1628 (DWARF2_FRAME_REG_OUT): Likewise.
1629 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1630 (DWARF2_FRAME_REG_OUT): Likewise.
1632 2006-10-17 Paul Brook <paul@codesourcery.com>
1634 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1636 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1638 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1639 Standardize on "GNU Fortran" as the official name of the Fortran
1642 2006-10-16 Mike Stump <mrs@apple.com>
1644 * doc/invoke.texi (Darwin Options): Document -mkernel.
1645 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1647 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1648 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1649 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1650 (OS_MISSING_ALTIVEC): Add.
1651 * config/i386/i386.c (override_options): Add
1652 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1653 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1654 -mkernel, -static or -mdynamic-no-pic is given.
1655 (C_COMMON_OVERRIDE_OPTIONS): Add.
1656 * config/darwin.opt (fapple-kext): Add.
1658 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1659 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1661 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1662 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1663 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1664 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1665 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1666 (flag_mkernel): Add.
1667 (flag_apple_kext): Add.
1668 (TARGET_KEXTABI): Add.
1669 * config/darwin.c (darwin_handle_kext_attribute): Add.
1670 (DARWIN_VTABLE_P): Add.
1671 (darwin_binds_local_p): Add partial support for rebinding vtables
1673 (darwin_kextabi_p): Add.
1674 (darwin_override_options): Add.
1675 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1676 (darwin_kextabi_p): Add.
1677 (darwin_override_options): Add.
1678 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1679 __DYNAMIC__ and __STATIC__ here.
1681 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1683 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1684 Added mention of "make pdf" target, and Texinfo requirements for
1687 2006-10-16 DJ Delorie <dj@redhat.com>
1689 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1690 into the GOT in case we need a subreg of the address.
1692 2006-10-16 Richard Guenther <rguenther@suse.de>
1695 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1696 SSE builtin documentation. Document SSE2 builtins.
1698 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1700 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1701 symbol in the output file for non-shared links when -nostdlib or
1702 -nodefaultlibs isn't specified.
1704 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1705 posix thread support.
1707 2006-10-15 Jan Hubicka <jh@suse.cz>
1710 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1711 declared always_inline even when not inlining.
1713 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1714 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1715 Andrew Pinski <pinskia@gmail.com>
1718 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1720 2006-10-15 Jan Hubicka <jh@suse.cz>
1721 Richard Guenther <rguenther@suse.de>
1724 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1725 process_function_and_variable_attributes on all variables, including
1726 those discovered during cgraph construction phase.
1728 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1730 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1732 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1734 * config/i386/athlon.md (athlon_fist): Add fisttp.
1736 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1737 Ian Lance Taylor <ian@airs.com>
1740 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1741 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1744 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1746 * config/score/score.c, config/score/score.h: Fix comment
1749 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1752 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1755 2006-10-13 Eric Christopher <echristo@apple.com>
1757 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1759 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1762 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 Eric Christopher <echristo@apple.com>
1768 * config/darwin.c (darwin_emit_unwind_label): Strip
1769 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1771 2006-10-13 Richard Guenther <rguenther@suse.de>
1773 PR tree-optimization/29446
1774 * tree-vrp.c (fix_equivalence_set): Remove.
1775 (extract_range_from_assert): Do not call fix_equivalence_set.
1776 (debug_value_range): Print a newline.
1777 (compare_name_with_value): For equivalence sets with
1778 inconsistent value ranges conservatively bail out.
1779 (compare_names): Likewise.
1781 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1783 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1784 and MPFR for gfortran.
1786 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1788 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1789 alignment supported by 32-bit ELF.
1791 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1795 * c-typeck.c (digest_init): Always allow initializing vectors
1796 that have static storage duration with compound literals.
1797 * tree.c (build_type_attribute_qual_variant): New, based on
1798 build_type_attribute_variant.
1799 (build_type_attribute_variant): Rewrite using the former.
1800 (make_vector_type): Use build_type_attribute_qual_variant to build
1801 type variants. Use type_hash_canon on the others.
1803 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1804 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1806 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1808 2006-10-12 Jan Hubicka <jh@suse.cz>
1811 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1812 current_function_decl is set but current_function_scope is not.
1814 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1816 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1817 emit_insn to emit eh_return_internal instruction.
1818 (eh_return_internal): Explicitly set pc.
1820 2006-10-11 Richard Guenther <rguenther@suse.de>
1822 PR tree-optimization/28230
1823 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1824 to the correct place.
1826 2006-10-11 Richard Guenther <rguenther@suse.de>
1829 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1832 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1834 * configure.ac: Added pdf to "Make-hooks"
1835 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1836 targets and *.pdf file patterns in cleanup targets.
1837 * configure: Regenerated.
1839 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1841 * config/avr/predicates.md: New file.
1842 * config/avr/avr.md: Include it.
1843 (REG_SP): New constant.
1844 (peepholes): Use predicates.
1845 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1846 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1847 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1849 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1851 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1854 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1857 * builtins.c (var_decl_component_p): New function.
1858 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1859 single entry optimization to variables and components thereof.
1861 2006-10-10 Richard Guenther <rguenther@suse.de>
1863 PR rtl-optimization/29323
1864 * except.c (set_nothrow_function_flags): For functions
1865 that do not bind local bail out early.
1867 2006-10-10 Ben Elliston <bje@au.ibm.com>
1869 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1872 2006-10-09 Richard Henderson <rth@redhat.com>
1874 Revert emutls patch.
1876 2006-10-09 Richard Guenther <rguenther@suse.de>
1879 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1882 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1885 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1886 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1887 * configure: Regenerate.
1888 * config.in: Regenerate.
1890 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1892 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1894 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1896 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1897 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1898 Remove stray newline.
1900 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1902 * config/mips/mips.c (mips_classify_symbol): Do not return
1903 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1904 (mips_in_small_data_p): Tweak comments.
1906 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1908 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1910 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1912 * gimplify.c, sched-int.h: Fix comment typos.
1914 * sched-int.h: Fix comment typos.
1916 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1918 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1920 * sched-ebb.c (begin_schedule_ready): Use them.
1921 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1922 add_to_speculative_block, create_check_block_twin, speculate_insn,
1923 fix_jump_move, move_block_after_check): Ditto.
1924 * sched-rgn.c (new_ready): Ditto.
1926 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1928 PR rtl-optimization/29128
1929 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1930 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1931 allow interblock movement of speculation checks.
1933 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1936 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1937 casted to integer type.
1938 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1939 if they are significantly more expensive than [reg + index] ones.
1941 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1943 PR tree-optimization/29330
1944 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1945 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1946 on newly allocated ddrs.
1947 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1948 to VEC (loop_p, heap) pointer.
1949 (compute_data_dependences_for_loop): Adjust caller.
1950 (free_dependence_relations): Free DDR_LOOP_NEST.
1952 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1953 free DEPENDENCE_RELATIONS and DATAREFS.
1956 * builtins.c (expand_builtin_sync_operation,
1957 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1958 Use convert_to_mode to handle promoted arguments.
1960 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1962 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1964 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1966 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1968 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1970 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1971 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1972 Use <modeconstraint> instead of "r" as operand 1 constraint.
1974 2006-10-06 Olivier Hainque <hainque@adacore.com>
1976 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1977 Don't recurse on the pointed-to type.
1978 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1979 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1980 types with components of variable size.
1982 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1984 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1986 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1988 PR tree-optimization/29290
1989 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1993 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1994 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1997 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1998 the number of vector elements fill the rest with zeros.
2000 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2002 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2003 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2006 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2008 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2009 unnamed pattern into subsi3. Use correct constraints/predicates.
2010 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2011 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2013 2006-10-05 Ira Rosen <irar@il.ibm.com>
2015 * doc/loop.texi: Add data references analysis description.
2017 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2019 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2021 2006-10-04 Richard Henderson <rth@redhat.com>
2022 Jakub Jelinek <jakub@redhat.com>
2024 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2025 * builtin-types.def (BT_WORD): Make unsigned.
2026 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2027 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2028 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2029 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2030 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2031 * cgraph.c (decide_is_variable_needed): Look at force_output.
2032 Recurse for emulated tls.
2033 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2034 checks redundant with decide_is_variable_needed.
2035 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2036 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2038 * expr.c (emutls_var_address): New.
2039 (expand_expr_real_1): Expand emulated tls.
2040 (expand_expr_addr_expr_1): Likewise.
2041 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2042 * output.h (emutls_finish): Declare.
2043 * toplev.c (compile_file): Call it.
2044 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2045 address before wrapping in CONST.
2046 * varasm.c (emutls_htab, emutls_object_type): New.
2047 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2048 (get_emutls_object_name, get_emutls_object_type): New.
2049 (get_emutls_init_templ_addr, emutls_decl): New.
2050 (emutls_common_1, emutls_finish): New.
2051 (assemble_variable): When emulating tls, swap decls; generate
2052 constructor for the emutls objects.
2053 (do_assemble_alias): When emulating tls, swap decl and target name.
2054 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2056 * emutls.c: New file.
2057 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2058 tls_object for real tls.
2060 2006-10-04 Zack Weinberg <zackw@panix.com>
2062 Fix bug in constraint-check generator, reported by Rask Ingemann
2064 * genpreds.c (add_constraint): Don't remove anything from the
2066 (write_tm_constrs_h): Detect whether "op" argument is used, and
2067 mark it ARG_UNUSED if it isn't.
2068 (write_insn_const_int_ok_for_constraint): Skip the part of the
2069 expression that would test whether "op" (which is not available
2070 here) is a CONST_INT.
2072 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2075 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2077 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2079 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2080 current Leopard versions.
2081 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2083 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2085 * doc/install.texi: Fix typos.
2087 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2089 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2090 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2091 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2093 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2095 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2096 arg to be struct mach_header_64* instead.
2098 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2101 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2102 side effects after the outer expression's post side effects.
2104 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2106 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2107 comments to reflect actual behavior and relationship between
2108 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2110 * doc/c-tree.texi (Working with declarations): Fix documentation
2111 of FIELD_DECL likewise.
2113 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2116 * doc/extend.texi: Add used variable attribute description.
2118 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2121 * c.opt (Woverride-init): New.
2122 * c-opts.c (c_common_post_options): Default warn_override_init to
2124 * c-typeck.c (add_pending_init, output_init_element): Warn for
2125 overriding initializers without side effects.
2126 * doc/invoke.texi (-Woverride-init): Document.
2129 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2131 PR rtl-optimization/28096
2132 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2133 assignment has already been used as a destination earlier in the block.
2135 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2137 * builtins.c (expand_builtin_setjmp): Delete.
2138 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2139 <BUILT_IN_SETJMP_SETUP>: New case.
2140 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2141 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2142 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2143 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2144 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2145 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2146 (lower_function_body): Initialize it to false. If it is set to true
2147 at the end of the processing, emit the setjmp dispatcher.
2148 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2149 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2150 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2151 on the rhs of the assignment.
2152 (lower_builtin_setjmp): New function.
2153 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2154 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2155 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2156 to detect calls that can go to non-local labels. Use specific
2157 helper to create the abnormal edges associated with them.
2158 <MODIFY_EXPR>: Likewise.
2159 (make_abnormal_goto_edges): New function extracted from...
2160 (make_goto_expr_edges): ...here. Call it for computed gotos.
2161 (simple_goto_p): Minor tweak.
2162 (tree_can_make_abnormal_goto): New predicate.
2163 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2164 (tree_purge_dead_abnormal_call_edges): New function.
2165 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2166 (tree_purge_dead_abnormal_call_edges): Likewise.
2167 (make_abnormal_goto_edges): Likewise.
2168 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2169 Purge all dead abnormal edges if the call was in the last statement.
2170 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2171 (execute_fixup_cfg): If there are non-local labels in the function,
2172 scan the basic blocks and split them at calls that can go to non-local
2173 labels or add missing abnormal call edges. Write down the CFG in the
2175 (pass_fixup_cfg): Remove TODO_dump_func flag.
2176 * unwind-sjlj.c: Poison setjmp.
2177 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2178 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2179 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2180 (DONT_USE_BUILTIN_SETJMP): Document it.
2182 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2185 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2186 to 1 when __ppc64__ is defined.
2187 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2189 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2191 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2193 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2194 * config/ia64/unwind-hpux.c: Delete.
2196 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2198 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2199 on the element before gimplifying it, instead of punting if it is of
2202 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2204 * doc/loop.texi: New file.
2205 * doc/gccint.texi: Reference loop.texi.
2206 * Makefile.in (loop.texi): Add.
2208 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2210 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2212 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2213 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2215 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2217 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2219 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2221 * doc/install.texi: Document required versions of GMP and MPFR.
2223 2006-09-27 Paul Brook <paul@codesourcery.com>
2226 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2228 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2230 * reload1.c (alter_reg): Require the alignment of the stack slot to
2231 be at least reg_max_ref_width bytes.
2232 (scan_paradoxical_subregs): Record the largest width in
2235 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2239 * tree-nested.c (struct nesting_info): Added static_chain_added.
2240 (convert_call_expr): Set static_chain_added when adding static
2241 chain. Handle OMP_PARALLEL and OMP_SECTION.
2243 2006-09-25 Matthias Klose <doko@debian.org>
2245 * doc/invoke.texi: Add missing full stop.
2247 2006-09-25 Richard Henderson <rth@redhat.com>
2249 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2250 before cgraph_function_flags_ready.
2252 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2253 Adam Nemet <anemet@caviumnetworks.com>
2255 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2256 determine_common_wider_type): New functions.
2257 (get_computation_aff): Use them to simplify arithmetic between
2258 UBASE and CBASE if they are shortened from the same type.
2260 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2263 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2264 -2147483647 - 1 instead of 0x80000000.
2266 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2268 * flags.h (HONOR_NANS): Fix typo in comment.
2270 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2272 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2274 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2278 * tree.c (merge_attributes, attribute_list_contained): If both
2279 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2281 * c-typeck.c (comptypes_internal): Don't consider aggregates
2282 in different TUs as compatible if there one set of attributes is
2283 not a subset of the other type's attributes.
2284 (composite_type): Try harder not to create a new aggregate type.
2286 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2288 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2289 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2290 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2291 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2292 than replicating condition above.
2293 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2295 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2296 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2297 the linker by default.
2299 2006-09-22 Mike Stump <mrs@apple.com>
2301 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2304 2006-09-22 Richard Guenther <rguenther@suse.de>
2307 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2308 sort of stack variables stable.
2310 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2313 * explow.c (force_reg): Set REG_POINTER flag according to
2316 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2318 PR tree-optimization/28888
2319 * tree-if-conv.c (combine_blocks): Rewritten.
2320 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2321 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2323 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2325 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2328 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2330 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2332 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2334 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2336 2006-09-21 Roger Sayle <roger@eyesopen.com>
2339 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2340 dw_fde_current_label, to be the start of the function, i.e. the same
2341 value as dw_fde_begin.
2343 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2345 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2346 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2347 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2348 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2349 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2350 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2351 (abs<mode>2, neg<mode>2): Likewise.
2352 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2353 (*mips_abs_ps): New define_insn.
2355 2006-09-20 Josh Conner <jconner@apple.com>
2358 * calls.c (expand_call): Allow reuse of structure return stack
2361 2006-09-20 Paul Brook <paul@codesourcery.com>
2363 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2366 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2368 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2369 clean up terminology.
2371 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2374 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2375 with tablejumps in them.
2377 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2380 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2381 wrap it into TARGET_EXPR.
2383 2006-09-20 Eric Christopher <echristo@apple.com>
2385 * config/i386/i386.c (x86_fisttp): Remove.
2386 * config/i386/i386.h (x86_fisttp): Ditto.
2387 (TARGET_FISTTP): Ditto.
2389 2006-09-19 Eric Christopher <echristo@apple.com>
2391 * doc/tm.texi (OBJC_JBLEN): Describe.
2392 * config/i386/darwin.h (OBJC_JBLEN): Define.
2393 * config/rs6000/darwin.h: Ditto.
2395 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2397 PR rtl-optimization/21299
2398 * reload1.c (reload): Purge invalid ASMs in the final pass.
2400 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2403 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2404 pointers as legitimate constants.
2406 2006-09-19 Paul Brook <paul@codesourcery.com>
2409 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2411 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2413 PR tree-optimization/28887
2414 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2415 component parts from the reference.
2416 (gather_memory_references_ref): Record the reference without the
2417 nonaddressable component parts.
2419 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2422 * c-opts.c (c_common_handle_option): Ignore the -std options
2423 if the input language is assembly.
2425 2006-09-17 Ira Rosen <irar@il.ibm.com>
2428 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2430 (ptr_ptr_may_alias_p): Likewise.
2431 (record_record_differ_p): New function.
2432 (base_object_differ_p): Call record_record_differ_p.
2434 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2437 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2438 away for the expr argument.
2440 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2443 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2444 before using it for dumping after vectorizing loops.
2446 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2447 Jack Howarth <howarth@bromo.med.uc.edu>
2450 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2451 skip on error_mark_node.
2452 (rs6000_darwin64_record_arg_recurse): Likewise.
2454 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2456 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2457 * doc/rtl.texi: Remove related documentation.
2459 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2461 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2464 2006-09-15 Jim Wilson <wilson@specifix.com>
2466 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2467 Handle symbol offsets same as they are handled in ia64_expand_move
2470 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2472 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2473 Add forgotten parameter to the fprintf call.
2475 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2477 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2479 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2481 * doc/contrib.texi: Add my entry.
2483 2006-09-15 Nick Clifton <nickc@redhat.com>
2485 * doc/md.texi (Processor pipeline description): Fix typo in
2486 example of how to use the absence_set directive and reword the
2487 description to make it slightly easier to read.
2489 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2491 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2492 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2493 expanding the number of iterations.
2494 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2496 * cfgrtl.c (emit_insn_at_entry): New function.
2497 * rtl.h (emit_insn_at_entry): Declare it.
2498 * integrate.c (emit_initial_value_sets): Use it.
2500 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2502 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2504 (struct loop_work and related VEC declarations): Delete.
2505 (bfin_dump_loops): Print out new member bad.
2506 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2507 (bfin_scan_loop): Don't recurse.
2508 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2509 loops. No longer need to update outer loops if the current one is
2510 found bad. Move some validitiy checks to bfin_discover_loop.
2511 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2512 but changed not to check for nesting. Also changed to use the new bad
2514 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2515 time. Use bitmap based test to discover loop nesting.
2517 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2519 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2522 2006-09-14 Richard Guenther <rguenther@suse.de>
2523 Kazu Hirata <kazu@codesourcery.com>
2525 PR middle-end/28884.
2526 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2527 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2528 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2529 with TARGET_FUNCTION_VALUE.
2531 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2534 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2536 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2538 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2541 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2544 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2547 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2549 * basic_block.h (bb_has_eh_pred): Fix comment.
2551 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2553 * flow.c (calculate_global_regs_live): Invalidate eh registers
2554 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2555 (propagate_block): Handle eh registers as if they were set at basic
2557 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2559 * global.c (global_conflicts): Make eh registers to conflict with
2560 pseudos live at basic block begin.
2561 * basic_block.h (bb_has_eh_pred): New function.
2563 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2565 PR rtl-optimization/28982
2566 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2567 index of a PRE_MODIFY or POST_MODIFY address.
2568 * reload1.c (inc_for_reload): Use find_replacement on the original
2569 base and index registers.
2571 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2573 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2574 for -Os. Update __m128 alignment requirement.
2576 2006-09-13 Jan Hubicka <jh@suse.cz>
2578 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2580 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2582 PR rtl-optimization/28243
2583 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2584 the insn to which the note was originally attached.
2586 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2587 Roger Sayle <roger@eyesopen.com>
2589 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2590 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2591 on platforms that don't use dwarf for debug info.
2593 2006-09-12 Jason Merrill <jason@redhat.com>
2596 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2597 hard_frame_pointer_rtx after using it to update the frame pointer.
2599 2006-09-12 Roger Sayle <roger@eyesopen.com>
2601 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2602 (TARGET_ASM_CLOSE_PAREN): Likewise.
2603 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2604 (TARGET_ASM_CLOSE_PAREN): Likewise.
2606 2006-09-12 Roger Sayle <roger@eyesopen.com>
2609 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2610 frame information for frames larger than 512 Kbytes on Tru64 when
2611 using the native assembler.
2613 2006-09-12 Roger Sayle <roger@eyesopen.com>
2617 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2618 and symbols. Instead use the implementation from cse.c's hash_rtx.
2620 2006-09-12 Jan Hubicka <jh@suse.cz>
2622 PR rtl-optimization/28071
2623 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2624 (vect_transform_loop): Likewise.
2625 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2626 (new_loop_vec_info): Likewise.
2627 (destroy_loop_vec_info): Likewise.
2628 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2629 (create_stmt_ann): Likewise.
2630 (create_tree_ann): Rename to ...
2631 (create_tree_common_ann): ... this one; allocate only the common part
2633 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2634 (get_value_handle): Likewise.
2635 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2636 get_tree_common_ann.
2637 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2638 (vinfo_for_stmt): Use stmt annotations.
2639 * tree-flow.h (tree_ann_common_t): New type.
2640 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2641 (tree_ann, get_tree_ann, create_tree_ann): New.
2642 * tree-flow-inline.h (get_function_ann): Do more type checking.
2643 (stmt_ann): Likewise.
2644 (tree_ann): Rename to ...
2645 (tree_common_ann): ... this one; return ony common_ann
2646 (get_tree_ann): Rename to ...
2647 (tree_common_ann): This one; return only common_ann.
2648 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2651 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2653 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2654 with_cpu by default.
2656 * dwarf2out.c (dwarf_file_data): New.
2657 (enum dw_val_class): Add dw_val_class_file.
2658 (struct dw_val_struct): Add val_file.
2659 (file_table): Change to a hash table.
2660 (file_table_emitted): Delete.
2661 (file_table_last_lookup_index): Delete.
2662 (emitcount): Delete.
2663 (last_emitted_file): New.
2664 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2665 (init_file_table): Delete.
2666 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2667 (AT_addr): Add comment.
2671 (print_die): Handle dw_val_class_file.
2672 (print_dwarf_line_table): Update for new file table structure.
2673 (attr_checksum): Do checksum a filename.
2674 (same_dw_val_p, same_attr_p): Do compare a filename.
2675 (size_of_die): Handle dw_val_class_file.
2676 (value_format): Likewise.
2677 (output_die): Likewise. Also, call maybe_emit_file here.
2678 (struct file_info): Constify filenames. Make file_idx a pointer
2679 to a struct dwarf_file_data.
2680 (struct dir_info): Constify directory names. Remove 'used' field.
2681 (struct file_name_acquire_data): New.
2682 (file_name_acquire): New.
2683 (output_file_names): Modify to handle new file data structures.
2684 (add_src_coords_attributes): Use add_AT_file.
2685 (add_call_src_coords_attributes): Likewise.
2686 (dwarf2out_imported_module_or_decl): Likewise.
2687 (gen_subprogram_die): Modify for new file data structures.
2688 (gen_variable_die): Likewise.
2689 (file_table_eq): New.
2690 (file_table_hash): New.
2691 (file_table_last_lookup): New.
2692 (lookup_filename): Rewrite to handle new file data structures.
2693 (maybe_emit_file): Rewrite to handle new file data structures.
2694 (dwarf2out_source_line): Always call lookup_filename and
2696 (dwarf2out_init): Create file_table here.
2697 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2698 (file_table_relative_p): New.
2699 (dwarf2out_finish): Change detection of relative filenames
2700 to work with new file data structures. Move output_line_info call
2701 after debug_info output.
2703 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2708 * config/i386/i386.c (override_options): Always default to 16
2709 byte stack boundary.
2711 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2714 * var-tracking.c (dump_dataflow_set): Start dumping at
2716 (clobber_variable_part): Kill only the variable part in
2717 registers holding it, leaving other variables alone.
2719 2006-09-11 Josh Triplett <josh@freedesktop.org>
2721 * doc/extend.texi (Other Builtins): Actually use the macro
2722 argument in the documentation example for
2723 __builtin_types_compatible_p.
2725 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2727 PR rtl-optimization/28726
2728 * sched-deps.c (sched_analyze_reg): New function extracted from...
2729 (sched_analyze_1): ...here. Call it to analyze references to
2730 registers. Treat again writes to a stack register as writing to the
2732 (sched_analyze_2): ...and here. Call it to analyze references to
2733 registers. Treat again reads of a stack register as reading the
2736 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2737 David Edelsohn <edelsohn@gnu.org>
2740 * config/rs6000/spe.md (frob_df_di): Remove %H.
2741 (frob_di_df): Remove %H. Change evmergelo to mr.
2742 (frob_di_df_2): Remove %H. Change evldd to two loads.
2744 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2746 * doc/cpp.texi: Fix names of charset options.
2748 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2751 * config/i386/i386.c (override_options): Use 128-bit
2752 stack boundary always for 64bits.
2754 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2756 PR rtl-optimization/28636
2757 * combine.c (force_to_mode): Test for side-effects before
2758 substituting by zero.
2759 (simplify_shift_const): Likewise for zero or other constants.
2761 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2764 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2767 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2770 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2771 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2772 returned by mode_for_size, rather than the mode of src itself,
2773 to choose between 32-bit and 64-bit patterns.
2774 (mips_mem_fits_mode_p): New function.
2775 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2776 that the size of the source matches the size of the destination.
2777 (mov_<store>l, mov_<store>r): Likewise.
2779 2006-09-10 Eric Christopher <echristo@apple.com>
2781 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2784 2006-09-09 Eric Christopher <echristo@apple.com>
2787 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2790 2006-09-09 Roger Sayle <roger@eyesopen.com>
2791 Nicolas Setton <setton@adacore.com>
2793 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2795 2006-09-10 Andreas Schwab <schwab@suse.de>
2797 * config/m68k/m68k.md (bungt_rev): New pattern.
2799 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2800 Dale Johannesen <dalej@apple.com>
2803 * regclass.c (struct reg_pref): Update documentation.
2804 (regclass): Set prefclass to NO_REGS if memory is the best option.
2805 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2807 2006-09-08 Eric Christopher <echristo@apple.com>
2809 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2810 * config/t-slibgcc-darwin: Support x86_64 multilib.
2811 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2812 Return 1 for x86_64-darwin.
2813 * config/i386/t-darwin: Add m64 multilib.
2814 (LIB2_SIDITI_CONV_FUNCS): Use.
2815 (LIB2FUNCS_EXTRA): Ditto.
2816 * config/i386/darwin.h: Support x86_64.
2817 * config/i386/i386.c (override_options): Turn on flag_pic
2818 for x86_64-darwin. Disable flag_omit_pointer.
2819 (get_pc_thunk_name): Assert !TARGET_64BIT.
2820 (legitimate_address_p): Disable machopic addressing for
2822 (legitimize_pic_address): Ditto.
2823 (ix86_expand_move): Ditto.
2824 (ix86_expand_call): Ditto.
2825 (machopic_output_stub): Ditto.
2826 * config/darwin.c (machopic_select_section): Support literal16.
2827 (machopic_select_rtx_section): Ditto.
2828 * config/darwin-sections.def: Ditto.
2829 * config/darwin-64.c: New.
2831 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2834 * c-tree.h (struct c_arg_info): Add pending_sizes.
2835 * c-parser.c (c_parser_parms_declarator,
2836 c_parser_parms_list_declarator): Initialize pending_sizes.
2837 * c-decl.c (get_parm_info): Initialize pending_sizes.
2838 (get_parm_info): Set pending_sizes.
2839 (grokdeclarator): Call put_pending_sizes for parameters for
2840 function definition only.
2842 2006-09-07 Jason Merrill <jason@redhat.com>
2845 * varasm.c (output_constant): Only strip actual no-op conversions.
2848 * config/i386/i386.c (override_options): Use 128-bit
2849 stack boundary if -msse.
2851 2006-09-07 Eric Christopher <echristo@apple.com>
2853 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2855 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2858 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2860 * dwarf2out.c: Remove strange characters from comment above
2861 dwarf2out_frame_debug_expr.
2863 2006-09-07 Eric Christopher <echristo@apple.com>
2865 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2866 * config/darwin.h: ... to here.
2868 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2870 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2872 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2873 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2875 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2876 TARGET_PARTIAL_FLAG_REG_STALL.
2877 (*ashldi3_cconly_rex64): Likewise.
2878 (*ashlsi3_cmp): Likewise.
2879 (*ashlsi3_cconly): Likewise.
2880 (*ashlsi3_cmp_zext): Likewise.
2881 (*ashlhi3_cmp): Likewise.
2882 (*ashlhi3_cconly): Likewise.
2883 (*ashlqi3_cmp): Likewise.
2884 (*ashlqi3_cconly): Likewise.
2885 (*ashrdi3_cmp_rex64): Likewise.
2886 (*ashrdi3_cconly_rex64): Likewise.
2887 (*ashrsi3_cmp): Likewise.
2888 (*ashrsi3_cconly): Likewise.
2889 (*ashrsi3_cmp_zext): Likewise.
2890 (*ashrhi3_cmp): Likewise.
2891 (*ashrhi3_cconly): Likewise.
2892 (*ashrqi3_cmp): Likewise.
2893 (*ashrqi3_cconly): Likewise.
2894 (*lshrdi3_cmp_rex64): Likewise.
2895 (*lshrdi3_cconly_rex64): Likewise.
2896 (*lshrsi3_cmp): Likewise.
2897 (*lshrsi3_cconly): Likewise.
2898 (*lshrsi3_cmp_zext): Likewise.
2899 (*lshrhi3_cmp): Likewise.
2900 (*lshrhi3_cconly): Likewise.
2901 (*lshrqi2_cmp): Likewise.
2902 (*lshrqi2_cconly): Likewise.
2904 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2907 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2908 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2909 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2910 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2911 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2912 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2913 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2914 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2915 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2916 implement only CC setting effects of shift instructions.
2918 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2920 * doc/contrib.texi: Add myself.
2922 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2925 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2926 was set by the user.
2928 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2931 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2932 (divsi_inv_m1): Use them.
2933 (UNSPEC_DIV_INV_TABLE): New constant.
2935 2006-09-06 James E Wilson <wilson@specifix.com>
2938 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2939 then call count_or_remove_death_notes.
2941 2006-09-06 Jason Merrill <jason@redhat.com>
2944 * tree-inline.c (copy_result_decl_to_var): New fn.
2945 (declare_return_variable): Use it. Call declare_inline_vars here.
2946 (expand_call_inline): Not here.
2948 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2950 * doc/contrib.texi: Update my entry.
2952 2006-09-06 Nick Clifton <nickc@redhat.com>
2954 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2956 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2959 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2960 (canonicalize_induction_variables): Likewise.
2961 (tree_unroll_loops_completely): Likewise.
2962 (tree_ssa_prefetch_arrays): Likewise.
2963 (remove_empty_loops): Likewise.
2964 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2965 TODO_cleanup_cfg instead of directly calling
2966 cleanup_tree_cfg_loop.
2967 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2969 (tree_unroll_loops_completely): Likewise.
2970 (remove_empty_loops): Likewise.
2971 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2972 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2973 of tree_ssa_unswitch_loops.
2974 (tree_ssa_loop_ivcanon): Use the return value of
2975 canonicalize_induction_variables.
2976 (tree_ssa_empty_loop): Use the return value of
2978 (tree_complete_unroll): Use the return value of
2979 tree_unroll_loops_completely.
2980 (tree_ssa_loop_prefetch): Use the return value of
2981 tree_ssa_prefetch_arrays.
2982 * passes.c (execute_todo): Before Cleanup CFG, set
2983 updating_used_alone and after cleanup CFG, call
2984 recalculate_used_alone.
2986 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2989 * tree-vect-transform.c (vectorizable_condition): Move the check
2990 for the type after the check for simple condition.
2992 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2993 Kaz Kojima <kkojima@gcc.gnu.org>
2996 * mode-switching.c (optimize_mode_switching): Make the destination
2997 block of an abnormal edge have no anticipatable mode. Don't
2998 insert mode switching code at the end of the source block of
3001 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3003 PR rtl-optimization/26847
3004 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3005 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3006 (simplify_plus_minus): Count n_constants while filling ops. Replace
3007 qsort with insertion sort. Before going through the array to simplify
3008 pairs, sort it. Delay early exit until after the first sort, exiting
3009 only if no swaps occurred. Simplify pairs in reversed order, without
3010 special-casing the first iteration. Pack ops after simplifying pairs.
3012 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3014 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3015 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3016 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3017 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3019 2006-09-05 Richard Guenther <rguenther@suse.de>
3021 PR tree-optimization/28900
3022 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3023 compound conditional before creating COND_EXPR condition.
3025 2006-09-05 Richard Guenther <rguenther@suse.de>
3027 PR tree-optimization/28905
3028 * tree-vrp.c (fix_equivalence_set): Manually implement
3029 !value_ranges_intersect_p to also handle symbolic ranges.
3031 2006-09-05 Richard Guenther <rguenther@suse.de>
3034 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3037 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3039 PR rtl-optimization/27616
3040 * cse.c (table_size): New static variable.
3041 (new_basic_block): Initialize it to 0.
3042 (remove_from_table): Decrement it.
3043 (insert): Increment it.
3044 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3045 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3046 fold_rtx_mem_1 if under the cap.
3047 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3048 the lookup of the equivalent expression and test for equality of the
3049 first operand of the equivalent expression before in turn looking up
3050 an equivalent constant for the second operand.
3052 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3055 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3056 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3057 pointer, instead of assuming it is possible to derive the
3058 correct args size from a call insn.
3060 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3063 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3064 (fold_builtin_mempcpy): Rename to...
3065 (fold_builtin_memory_op): ... this. Optimize one element copy
3067 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3069 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3070 (expand_builtin_memcpy, expand_builtin_mempcpy,
3071 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3072 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3073 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3074 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3076 2006-09-01 DJ Delorie <dj@redhat.com>
3078 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3079 (stzx_16): Likewise.
3080 ("stzx_24_<mode>"): Likewise.
3081 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3082 ("cmp<mode>_op"): New.
3083 (cmp<mode>): Change to expander; just save operands.
3085 (b<code>): Change to expander, emit compare here.
3086 (s<code>_op): Change to use split and expander.
3087 (s<code>_24_op): Likewise.
3088 (s<code>_<mode>): New.
3089 (s<code>_<mode>_24): New.
3090 (movqicc_<code>_<mode): New.
3091 (movhicc_<code>_<mode>): New.
3094 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3095 (m32c_pend_compare): New.
3096 (m32c_unpend_compare): New.
3097 (m32c_expand_scc): New.
3098 (m32c_expand_movcc): Emit the compare also.
3099 * config/m32c/predicates.md (mra_nopp_operand): New.
3101 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3102 Richard Guenther <rguenther@suse.de>
3103 Adam Nemet <anemet@caviumnetworks.com>
3106 * builtins.c (get_pointer_alignment): Handle more forms
3107 of base addresses that can be used to derive more precise
3108 information about alignment.
3110 2006-09-01 Jason Merrill <jason@redhat.com>
3113 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3116 * gimplify.c (voidify_wrapper_expr): Handle null type.
3118 2006-09-01 Josh Conner <jconner@apple.com>
3121 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3122 (execute_return_slot_opt): Use it.
3124 2006-08-31 Josh Conner <jconner@apple.com>
3127 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3128 returning aggregates.
3130 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3132 PR tree-optimization/28839
3133 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3134 blocks in that phi arguments appear.
3136 2006-08-31 Roger Sayle <roger@eyesopen.com>
3139 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3140 NULL, otherwise use an advance_loc4 to adjust relative to the
3142 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3143 (dwarf2out_switch_text_section): Reset the current label to avoid
3144 using advance_loc4 over section boundaries.
3146 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3149 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3150 r12 + SYMBOLIC_CONST.
3152 2006-08-30 Richard Guenther <rguenther@suse.de>
3154 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3156 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3158 PR rtl-optimization/27735
3159 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3160 Add new argument to keep track of whether an irreducible region
3161 was affected. All callers changed.
3162 (fix_irreducible_loops): Removed.
3163 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3164 flags were invalidated.
3166 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3168 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3169 instead of SF operands.
3170 (*fop_df_comm_sse): Likewise.
3171 (*fop_df_comm_i387): Likewise.
3172 (*fop_df_1_mixed): Likewise.
3173 (*fop_df_1_sse): Likewise.
3175 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3176 J"orn Rennecke <joern.rennecke@st.com>
3178 PR tree-optimization/17506
3179 * tree-ssa.c (warn_uninit): If warning about a location outside of
3180 the current function, note where the variable was declared.
3182 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3184 PR tree-optimization/28411
3185 * double-int.c (double_int_div): Use double_int_divmod.
3186 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3187 double_int_mod, double_int_smod, double_int_umod): New functions.
3188 * double-int.h (double_int_divmod, double_int_sdivmod,
3189 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3191 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3193 (get_computation_aff, get_computation_cost_at): Handle double_int
3194 return type of constant_multiple_of.
3196 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3199 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3200 an implicit conversion.
3202 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3204 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3206 2006-08-27 Roger Sayle <roger@eyesopen.com>
3208 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3211 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3213 * config/i386/crtfastmath.c: Fix a comment typo.
3215 2006-08-26 Roger Sayle <roger@eyesopen.com>
3217 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3218 temporary visit flags on CASE_LABEL_EXPRs.
3219 * c-common.c (match_case_to_enum): Add function comment. Avoid
3220 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3221 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3222 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3223 a constant, only warn if that constant value isn't handled.
3225 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3228 * input.h (restore_input_file_stack): Declare.
3229 (INPUT_FILE_STACK_BITS): Define.
3230 * toplev.c (fs_p, input_file_stack_history,
3231 input_file_stack_restored, restore_input_file_stack): New.
3232 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3233 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3234 (pop_srcloc): Don't free old state of stack.
3236 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3239 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3240 (PowerPC Type Attributes): New.
3242 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3244 * config/xtensa/xtensa.c (function_arg_boundary): New.
3245 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3247 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3248 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3250 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3253 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3256 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3258 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3259 (verify_local_live_at_start): Likewise.
3261 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3264 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3265 omp_add_variable): Treat sizes as variable whenever not
3268 2006-08-26 Richard Guenther <rguenther@suse.de>
3271 * fold-const.c (fold_binary): Fold temporary to correct
3272 type before constructing new comparison.
3274 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3277 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3278 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3280 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3283 * c-decl.c (start_function): Don't try to process prototype
3284 information from old declaration that isn't a function.
3286 2006-08-25 Jan Hubicka <jh@suse.cz>
3289 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3291 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3294 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3297 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3299 PR tree-optimization/16876
3300 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3301 exit if PARM doesn't match VALUE.
3303 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3305 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3306 literal_prefix directive.
3307 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3308 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3309 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3311 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3314 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3315 predicate to general_operand. Add 0->y and I->r alternatives.
3317 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3319 * doc/tm.texi: Fix a typo.
3320 * predict.c: Fix comment typos.
3322 2006-08-25 Nick Clifton <nickc@redhat.com>
3324 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3325 assertions of "cpu" and "machine".
3327 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3330 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3331 the access through a base which has an alias set of 0 cannot
3334 2006-08-24 Bill Wendling <wendling@apple.com>
3336 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3338 2006-08-24 Jan Hubicka <jh@suse.cz>
3340 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3342 2006-08-24 Jan Hubicka <jh@suse.cz>
3345 * cgraph.c: Fix comments.
3346 (cgraph_varpool_mark_needed_node): Mark only variables not already
3348 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3349 (cgraph_varpool_assembled_nodes_queue): New static variable.
3350 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3351 (cgraph_varpool_output_debug_info): New function.
3352 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3353 * Makefile.in: Add gt-cgraphunit.h
3355 2006-08-24 Jan Hubicka <jh@suse.cz>
3357 * predict.c (probability_reliable_p): New predicate.
3358 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3359 (predict_loops): Do not predict loop exit with less than 2%
3361 * basic-block.h (edge_probability_reliable_p,
3362 br_prob_note_reliable_p): Declare.
3363 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3364 prediction when static predictor is not reliable.
3365 * rs6000.c (output_cbranch): Likewise.
3367 2006-08-23 Stuart Hastings <stuart@apple.com>
3370 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3371 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3373 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3376 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3377 complex values, nor for generic vector values.
3379 2006-08-22 Richard Guenther <rguenther@suse.de>
3382 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3383 parameter. Convert arguments to arithmetic expression to the
3385 (analyze_scalar_evolution_1): Adjust caller.
3387 2006-08-22 Jan Hubicka <jh@suse.cz>
3389 Patch by Paolo Bonzini
3390 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3393 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3395 PR tree-optimization/28003
3396 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3397 before grouping aliases.
3399 2006-08-22 Roger Sayle <roger@eyesopen.com>
3401 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3402 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3404 2006-08-21 Jason Merrill <jason@redhat.com>
3407 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3408 wrapper. Loop to handle nested wrappers.
3409 (gimplify_bind_expr): Remove temp parameter.
3410 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3411 and STATEMENT_LIST on the rhs.
3412 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3413 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3414 (gimplify_target_expr): Remove special BIND_EXPR handling.
3416 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3418 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3421 2006-08-21 Olivier Hainque <hainque@adacore.com>
3423 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3424 Arrange for the temporary captures of components overlapping the lhs
3425 to happen before the lhs is possibly cleared.
3427 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3429 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3430 necessary places to pass the correct "number of registers" values
3433 2006-08-20 Jan Hubicka <jh@suse.cz>
3435 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3436 (create_name_tags): Instead of quadratic checking use hashtable.
3437 * bitmap.h: Include hashtab.h.
3438 (bitmap_hash): Declare.
3439 * bitmap.c (bitmap_hash): New function.
3441 2006-08-20 Jan Hubicka <jh@suse.cz>
3443 PR rtl-optimization/28071
3444 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3446 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3447 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3448 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3449 cgraph_decide_inlining_incrementally): Update use of
3450 cgraph_check_inline_limits.
3451 * cgraph.c (edge_hash, edge_eq): New function.
3452 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3453 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3454 cgraph_remove_node): Maintain call site hash.
3455 * cgraph.h (struct cgraph_node): Add call_site_hash.
3456 (cgraph_set_call_stmt): New function.
3458 2006-08-20 Jan Hubicka <jh@suse.cz>
3460 PR rtl-optimization/28071
3461 * reload1.c (reg_has_output_reload): Turn into regset.
3462 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3463 choose_reload_regs, emit_reload_insns): Update to new
3464 reg_has_output_reload.
3466 2006-08-20 Jan Hubicka <jh@suse.cz>
3469 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3470 function body sizes.
3471 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3473 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3476 * tree.c (handle_dll_attribute): Return early if not a
3477 var or function decl.
3479 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3482 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3483 alignment of SPE vector types.
3485 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3487 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3489 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3492 * cgraph.h (struct cgraph_node): Remove externally_visible
3494 * cgraphunit.c (process_function_and_variable_attributes): Set
3495 local.externally_visible rather than externally_visible.
3498 * c-common.c (handle_externally_visible_attribute): First look
3499 at TREE_CODE and only if it is function or var decl, check for
3500 non-public objects. Don't warn for DECL_EXTERNAL.
3501 * cgraphunit.c (process_function_and_variable_attributes): Warn
3502 if externally_visible attribute is used on non-public object.
3504 2006-08-17 Jan Hubicka <jh@suse.cz>
3506 PR tree-optimization/27865
3507 * reload1.c (forget_marked_reloads): New function.
3508 (forget_old_reloads_1): When data are passed, just mark the registers
3510 (reload_as_needed): Use the new mechanizm.
3512 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3515 * reload.h (reg_equiv_alt_mem_list): New declaration.
3516 * reload1.c (reg_equiv_alt_mem_list): New definition.
3517 (reload): Initialize it and release it.
3518 (delete_output_reload): Use it.
3519 * reload.c (push_reg_equiv_alt_mem): New function.
3520 (find_reloads_toplev): Call it.
3521 (find_reloads_address, find_reloads_address_1): Likewise.
3522 (find_reloads_subreg_address): Likewise.
3524 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3526 PR rtl-optimization/28489
3527 * sched-ebb.c (begin_schedule_ready): Create basic block
3529 (advance_target_bb): Skip empty blocks.
3530 * haifa-sched.c (bb_note): Make global.
3531 * sched-int.h (bb_note): Add prototype.
3533 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3535 PR tree-optimization/27865
3536 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3538 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3539 fold_used_pointer, pointer_used_p): New functions.
3540 (analyze_scalar_evolution_1): Use fold_used_pointer.
3541 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3542 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3545 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3548 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3549 or the INTEGER_CST. Fail on a CALL_EXPR.
3550 (fold_offsetof): Pass new argument to fold_offsetof_1.
3551 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3552 operand into an INDIRECT_REF.
3553 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3555 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3557 PR gcov/profile/26570
3558 * value-prof.c (static_values): Removed.
3559 (tree_find_values_to_profile): Do not set static_values.
3560 (find_values_to_profile): Do not free static_values.
3561 * profile.c (instrument_values): Do not free the values.
3562 (branch_prob): Free the values.
3564 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3566 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3568 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3571 * c-typeck.c (build_component_ref): Combine qualifiers of
3572 structure or union and field.
3574 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3576 PR rtl-optimization/28071
3577 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3578 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3579 * tree-into-ssa.c (struct dom_dfsnum): New.
3580 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3582 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3583 compute_global_livein.
3584 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3585 in phi nodes in the correct blocks.
3587 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3589 PR tree-optimization/28364
3590 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3592 (fold_affine_expr): New function.
3593 (may_eliminate_iv): Use fold_affine_expr.
3595 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3598 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3601 2006-08-16 Mike Stump <mrs@apple.com>
3603 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3604 * doc/cppopts.texi (-MD): Likewise.
3606 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3609 * c-common.c (handle_weak_attribute): Ignore and warn if
3610 not a FUNCTION_ or VAR_DECL.
3612 2006-07-15 Mike Stump <mrs@apple.com>
3615 * c-parser.c (c_parser_typeof_specifier): Don't use
3616 c_finish_expr_stmt, open code desired semantics instead.
3618 2006-08-15 Nick Clifton <nickc@redhat.com>
3620 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3621 fragment to tmake_file only if threads are enabled.
3622 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3623 * config/i386/t-gthr-win32: New file. ... here.
3625 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3628 * c-parser.c (c_parser_compound_statement_nostart): Reset
3629 parser->error after each statement.
3631 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3634 * omp-low.c (lower_omp_parallel): Convert t to
3635 receiver_decl's type.
3636 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3637 source before comparison.
3640 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3641 to itype in assignment to oldival2.
3643 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3647 * c-typeck.c (build_compound_expr): If the second expression
3648 is an error mark, then just return an error mark instead of
3649 creating a COMPOUND_EXPR.
3651 2006-07-14 Mike Stump <mrs@apple.com>
3653 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3655 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3657 * c-decl.c, var-tracking.c: Fix comment typos.
3659 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3661 PR rtl-optimization/28634
3662 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3663 for floating-point modes unless flag_unsafe_math_optimizations.
3665 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3666 Andrew Pinski <pinskia@physics.uc.edu>
3669 * tree.c (build_array_type): Unify array types with
3670 unspecified index_type.
3671 * c-decl.c (grokdeclarator): Make sure we do not modify a
3672 unified incomplete array type.
3673 * c-typeck.c (store_init_value): Create distinct type before
3674 filling in the index type in an initializer from a compound
3677 * c-decl.c (grokdeclarator): Remove code where we copy the
3680 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3682 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3683 into account for TODO_dump_cgraph.
3684 (TODO_update_ssa_no_phi): Likewise.
3685 (TODO_update_ssa_full_phi): Likewise.
3686 (TODO_update_ssa_only_virtuals): Likewise.
3687 (TODO_remove_unused_locals): Likewise.
3688 (TODO_set_props): Likewise.
3689 (TODO_update_stmt_usage): Likewise.
3691 2006-08-13 Dirk Mueller <dmueller@suse.de>
3693 * c-common.c (strict_aliasing_warning): Fix formatting.
3695 2006-08-13 Matthias Klose <doko@debian.org>
3697 * doc/invoke.texi: Fix spelling errors.
3699 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3701 PR rtl-optimization/23454
3702 * reorg.c (relax_delay_slots): Update comment.
3704 2006-08-11 Richard Guenther <rguenther@suse.de>
3707 * simplify-rtx.c (simplify_const_relational_operation):
3708 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3711 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3713 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3714 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3716 2006-08-10 Paul Brook <paul@codesourcery.com>
3718 * final.c (final_scan_insn): Clear current_insn_predicate before
3719 outputting inline asm.
3721 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3723 PR tree-optimization/26197
3724 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3725 get_ref_base_and_extent and overlap_subvar to add only relevant
3726 subvars as may-aliases.
3727 (add_may_alias_for_new_tag): New function, factored out of
3729 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3730 with additional argument.
3731 * tree-flow.h (new_type_alias): Takes additional argument.
3733 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3735 * gcov.c (no_data_file): New flag.
3736 (read_count_file): Set it if data file not present. Assume counts
3738 (output_lines): Don't name the data file, if there wasn't one.
3740 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3742 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3743 (rs6000_generate_compare): Tweak comments.
3744 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3746 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3748 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3749 (var_debug_decl): New function.
3750 (var_reg_set): Follow debug decl link. Add location even if
3751 reg is already known to hold some other variable.
3752 (var_mem_set): Follow debug decl link.
3753 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3754 decl link. Delete other known locations of the variable part
3756 (var_reg_delete, var_mem_delete): Delete other known locations
3757 of the variable part if requested.
3758 (same_variable_part_p): New function.
3759 (add_stores): Select MO_COPY when appropriate.
3760 (vt_initialize): Handle it.
3761 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3762 known locations for MO_SET and MO_CLOBBER.
3763 (find_variable_location_part): New function.
3764 (set_variable_part, delete_variable_part): Use it.
3765 (clobber_variable_part): New function.
3766 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3769 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3771 PR tree-optimization/26969
3772 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3773 with an empty list of PHIs.
3775 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3779 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3782 2006-08-06 Andreas Schwab <schwab@suse.de>
3784 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3785 string. Whitespace and comment fixup.
3787 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3790 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3794 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3797 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3799 2006-08-04 Jan Hubicka <jh@suse.cz>
3803 * reload.c (push_reload): Patch out the mismatching instruction;
3805 (find_reload): Bail out if the instruction was patched out.
3807 2006-08-04 Jan Hubicka <jh@suse.cz>
3809 PR tree-optimization/24888
3810 * tree-inline.c (expand_call_inline): Do not re-record variables.
3811 (declare_inline_vars): Add variable to unexpanded_var_list.
3813 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3814 Roger Sayle <roger@eyesopen.com>
3816 PR rtl-optimization/26244
3817 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3818 inner_const are negative or greater than or equal to the bitsize of
3819 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3820 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3821 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3822 CONST0_RTX (mode) when the new shift count is greater than or equal to
3823 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3826 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3828 * tree-cfg.c: Fix a comment typo.
3830 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3833 * varasm.c (output_constant): Give the front end another chance to
3834 expand constants, after stripping NOPs.
3836 2006-08-03 Jan Hubicka <jh@suse.cz>
3838 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3841 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3843 PR tree-optimization/27770
3844 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3845 declaration removed (moved to tree-flow.h).
3846 (vect_can_force_dr_alignment_p): Likewise.
3847 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3848 (moved from tree-vectorizer.h).
3849 (vect_can_force_dr_alignment_p): Likewise.
3850 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3851 from outside the vectorizer - in particular from cgraph stage.
3852 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3853 the alignment of global arrays when -fsection-anchors is enabled.
3854 * cgraphunit.c (cgraph_increase_alignment): New function.
3855 (cgraph_optimize): Call cgraph_increase_alignment.
3857 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3860 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3861 not reload a SPE symbol_ref into a lo_sum address.
3863 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3866 * dwarf2out.c (prune_unused_types_prune): Move call to
3867 prune_unused_types_update_strings to cover the parent DIE also.
3869 2006-08-02 Jan Hubicka <jh@suse.cz>
3871 PR gcov/profile/28480
3872 * tree-cfg.c (change_bb_for_stmt): New function.
3873 (tree_merge_blocks, tree_split_blocks): Use it.
3875 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3881 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3882 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3883 (cgraph_optimize): Likewise.
3885 2006-08-01 Stuart Hastings <stuart@apple.com>
3887 * rtl.h (UINTVAL) New.
3888 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3889 * testsuite/gcc.dg/20060801-1.c: New.
3891 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3894 * c-typeck.c (build_external_type): Mark used enum types.
3895 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3897 (gen_subprogram_die): Whitespace fix.
3899 2006-08-01 Jan Hubicka <jh@suse.cz>
3901 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3902 bitmap when not needed.
3903 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3906 2006-08-01 Dirk Mueller <dmueller@suse.de>
3908 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3910 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3912 * Makefile.in: Revert part of previous patch:
3913 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3916 2006-07-30 Eric Christopher <echristo@apple.com>
3919 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3920 (PowerPC Variable Attributes): New section.
3922 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3924 PR target/28126 (partial fix)
3925 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3927 2006-07-28 Jan Hubicka <jh@suse.cz>
3929 PR rtl-optimization/28071
3930 * cfgrtl.c (rtl_delete_block): Free regsets.
3931 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3933 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3935 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3936 and variables used in dependencies.
3938 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3940 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3941 %fs for -mcmodel=kernel.
3942 (stack_tls_protect_test_di): Likewise.
3944 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3946 * Makefile.in: Use mkinstalldirs.
3948 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3951 * opts-common.c (prune_options): Skip joined switches.
3953 2006-07-27 Jan Hubicka <jh@suse.cz>
3955 PR rtl-optimization/28071
3956 * cselib.c (cselib_process_insn): Don't remove useless values too
3957 often for very large hashtables.
3959 2006-07-27 Jan Hubicka <jh@suse.cz>
3961 PR rtl-optimization/28071
3962 * global.c (greg_obstack): New obstack.
3963 (allocate_bb_info): Use it.
3964 (free_bb_info): Likewise.
3965 (modify_reg_pav): Likewise.
3967 2006-07-27 Roger Sayle <roger@eyesopen.com>
3969 * builtins.c (fold_fixed_mathfn): When long and long long are the
3970 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3971 functions to their lceil*, lfloor*, lround* and lrint* forms.
3973 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3976 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3978 (rev_branch_insn): Likewise.
3980 2006-07-27 Jan Hubicka <jh@suse.cz>
3982 PR rtl-optimization/28071
3983 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3984 (reg_set_in_bb, max_reg_computed): New static variables.
3985 (regmove_optimize): Free the new array.
3986 (fixup_match_1): Update call of reg_is_remote_constant_p.
3988 2006-07-26 Jan Hubicka <jh@suse.cz>
3990 PR tree-optimization/27882
3991 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3993 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3995 (cgraph_analyze_compilation_unit): Likewise.
3996 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3997 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3998 (cgraph_early_inlinine): Make order garbage collected.
3999 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4001 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4003 * dbxout.c (output_types_sort): Add a comment.
4004 (output_used_types): Free the VEC.
4006 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4008 * function.c (reorder_fix_fragments): Delete.
4009 (reorder_blocks): Don't call it.
4010 (reorder_blocks_1): Put all subblocks under the origin block.
4012 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4014 PR rtl-optimization/27907
4015 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4018 2006-07-25 Roger Sayle <roger@eyesopen.com>
4021 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4022 bar(x) check that bar's result type can represent all the values of T.
4024 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4026 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4028 2006-07-25 Nick Clifton <nickc@redhat.com>
4030 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4031 size_lookup[] array.
4032 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4033 (ggc_pch_count_object): Likewise.
4034 (ggc_pch_alloc_object): Likewise.
4035 (ggc_pch_write_object): Likewise.
4036 (init_ggc): Do not attempt to initialize entries in the
4037 size_lookup[] array for objects whose size is greater than than
4038 the length of the array.
4040 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4042 * dbxout.c (output_used_types_helper): Push queued types
4044 (output_types_sort): New.
4045 (output_used_types): Collect used types on a VEC and sort them
4048 2006-07-24 Richard Guenther <rguenther@suse.de>
4051 * cgraph.c (cgraph_remove_node): Do not check if dumps
4053 * cgraphunit.c (cgraph_optimize): Likewise.
4055 2006-07-24 Jan Hubicka <jh@suse.cz>
4057 PR rtl-optimization/28071
4058 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4059 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4060 splitting before first stmt.
4062 2006-07-24 Jan Hubicka <jh@suse.cz>
4064 PR rtl-optimization/28071
4065 * ipa-inline.c (update_caller_keys): Remove edges that
4066 are no longer inline candidates.
4068 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4071 * dbxout.c (output_used_types_helper, output_used_types): New.
4072 (dbxout_symbol): Call output_used_types.
4074 2006-07-23 Jan Hubicka <jh@suse.cz>
4078 * cgraph.c (cgraph_varpool_nodes): Export.
4079 (decide_is_variable_needed): Ignored "used" attribute in
4080 unit-at-a-time mode.
4081 * cgraph.h (cgraph_varpool_nodes): Declare.
4082 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4083 unit-at-a-time mode.
4085 2006-07-23 Roger Sayle <roger@eyesopen.com>
4088 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4089 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4090 the __gthrw form of thr_keycreate.
4091 (__gthread_key_delete): Silence the unused argument warning.
4093 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4096 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4097 Cache the last found '\0' marker to avoid quadratic behavior.
4099 2006-07-23 Jan Hubicka <jh@suse.cz>
4101 * i386.md (subsi_3_zext): Fix output template.
4103 2006-07-21 Mike Stump <mrs@apple.com>
4105 * doc/invoke.texi (C++ Dialect Options): Note that
4106 -fvisibility-inlines-hidden doesn't affect explicitly
4107 instantiationed inline methods.
4109 2006-07-20 Roger Sayle <roger@eyesopen.com>
4111 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4112 if the target assembler is GNU binutils' gas.
4113 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4114 whether to pass GNU gas or native as command line options.
4116 2006-07-20 Jason Merrill <jason@redhat.com>
4118 * tree.c (remove_attribute): New fn.
4119 * tree.h: Declare it.
4121 2006-07-20 Paul Brook <paul@codesourcery.com>
4124 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4125 they are invalidated by this instruction.
4127 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4130 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4132 2006-07-20 Eric Christopher <echristo@apple.com>
4135 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4137 2006-07-19 Eric Christopher <echristo@apple.com>
4139 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4140 Rewrite dependencies for libgcc_s.1.dylib.
4142 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4144 * except.c (duplicate_eh_regions_1): Clear next_peer.
4146 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4148 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4149 -mlongcall does not guarantee all calls will be long.
4150 * doc/extend.texi (long_call/short_call): Document that longcall
4151 does not guarantee a long call will be used.
4152 (longcall/shortcall): Likewise.
4154 2006-07-18 Roger Sayle <roger@eyesopen.com>
4157 * expmed.c (expand_shift): Additionally check that the shift_cost
4158 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4159 before implementing a LSHIFT_EXPR as a sequence of additions.
4160 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4161 middle-end that DImode shifts need to be synthesized by expand.
4163 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4166 * tree-ssa-operands.c (access_can_touch_variable): Update
4168 Return true if ALIAS is .GLOBAL_VAR.
4170 2006-07-18 David Daney <ddaney@avtrex.com>
4172 * gcc.c (display_help): Fix typo in help text.
4174 2006-07-18 Olivier Hainque <hainque@adacore.com>
4176 * tree.h (categorize_ctor_elements): Adjust prototype and add
4177 descriptive comment, both in accordance with the interface change
4179 * varasm.c (constructor_static_from_elts_p): New function.
4180 Whether a constructor node is a valid static constant initializer
4181 if all its elements are.
4182 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4183 * output.h: Declare it.
4184 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4185 is a valid constant initializer instead of computing the number of
4186 non-constant elements. Use constructor_static_from_elts_p for this
4187 purpose. Replace the head comment with an indication that this is a
4188 helper for categorize_ctor_elements.
4189 (categorize_ctor_elements): Same interface change as for the _1
4190 helper. Former head comment from this helper moved here, adjusted to
4191 account for the interface changes.
4192 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4193 (all_zeros_p): Likewise.
4194 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4195 static versions of the constructor from the categorize_ctor_elements
4196 return value instead of the formerly computed number of non-constant
4199 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4201 * configure: Regenerate.
4202 * Makefile.in (build_libsubdir): New configure substitution
4203 (build_libobjdir): New variable.
4204 (BUILD_LIBIBERTY): Use it.
4206 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4209 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4211 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4214 * c-common.c (handle_weakref_attribute): Ignore attribute in
4215 the same conditions the alias attribute is ignored.
4217 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4219 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4220 (dbxout_begin_prologue): Increment scope_labelno.
4222 2006-07-17 Richard Henderson <rth@redhat.com>
4225 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4228 2006-07-17 Roger Sayle <roger@eyesopen.com>
4229 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4231 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4232 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4233 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4234 functions such as sbrk, write, etc.. Add function prototypes.
4235 Convert function declarations from K&R to ISO C. Cast pointers
4236 to "long" and "unsigned long" instead of "int" and "unsigned int".
4237 Convert tokens following #endif into comments.
4239 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4241 * invoke.texi: Remove mention of f77; Reformat table for
4242 inline parameter options correctly; mention that -malign-double
4243 is default on x86-64 targets.
4245 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4247 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4248 (convert_affine_scev, chrec_convert_aggressive): Use
4249 avoid_arithmetics_in_type_p. Do not check for the subtypes
4252 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4255 * optabs.c (expand_doubleword_shift): Wrap the call to
4256 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4258 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4261 * optabs.c (expand_binop): Pass next_methods rather than methods
4262 to expand_doubleword_shift.
4264 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4267 * tree.h (dump_addr): Declare.
4268 * print-tree.c (dump_addr): New function.
4269 (print_node_brief, print_node): Use it.
4270 * print-rtl.c (print_rtx): Likewise.
4271 * common.opt (-fdump-noaddr): New option.
4272 * doc/invoke.texi (-fdump-noaddr): Document.
4273 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4274 (ve_info_hash): Likewise.
4276 2006-07-13 Andrew Haley <aph@redhat.com>
4278 PR tree-optimization/19505
4279 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4280 edge leaving this block, make sure that the destination of this
4281 block has only one predecessor.
4283 2006-07-17 Richard Guenther <rguenther@suse.de>
4285 PR tree-optimization/28238
4286 * tree-inline.c (copy_bb): Check if we produced valid
4287 gimple copying and substituting a stmt. If not, gimplify
4290 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4292 * optabs.c (maybe_encapsulate_block): New function extracted from...
4293 (emit_libcall_block): ...here. Invoke it on the block of insns to
4294 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4295 (emit_no_conflict_block): Likewise.
4297 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4299 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4301 2006-07-15 Roger Sayle <roger@eyesopen.com>
4303 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4304 a new NOP_EXPR case of the switch statement.
4306 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4309 * stor-layout.c (place_field): Take the bit field with
4310 an excessive size into account in the ms-bitfiled case.
4313 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4314 the previous bit field.
4316 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4319 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4321 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4323 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4324 signal frames correctly even when the signal was installed with
4327 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4329 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4330 (dbxout_function_end): Use local label LFBB. Remove hook
4332 (dbxout_source_line): Use local label LFBB.
4333 (dbxout_block): Likewise.
4334 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4335 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4336 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4337 and DBX_OUTPUT_NFUN.
4339 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4341 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4343 2006-07-13 Jan Hubicka <jh@suse.cz>
4345 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4347 * output.h (align_variable): Declare.
4348 * varasm.c (align_variable): Export.
4349 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4350 when basic block changed.
4352 2006-07-13 Nick Clifton <nickc@redhat.com>
4354 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4355 walking the LOG_LINKS chain.
4357 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4359 * doc/invoke.texi (C++ Dialect Options): Explain difference
4360 between -fvisibility-inlines-hidden and setting hidden
4361 visibility explicitly.
4363 2006-07-12 Eric Christopher <echristo@apple.com>
4365 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4366 (stmp-lipo): Depend on libgcc.a.
4368 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4370 * tree.c: Fix a comment typo.
4372 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4374 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4376 (umulhisi3_r): Likewise.
4378 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4381 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4382 x < 19, vs wchar_t support.
4384 2006-07-12 Nick Clifton <nickc@redhat.com>
4386 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4387 instead of -isa=sh4.
4389 2006-07-12 Mike Stump <mrs@apple.com>
4391 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4393 2006-07-10 Eric Christopher <echristo@apple.com>
4395 * config/t-slibgcc-darwin: Rewrite.
4397 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4400 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4403 2006-07-08 Matthias Klose <doko@debian.org>
4405 * doc/sourcebuild.texi: Fix typo.
4407 2006-07-07 Mike Stump <mrs@apple.com>
4409 * toplev.c (process_options): Don't give -ffunction-sections may
4410 affect debugging warning for Mach-O.
4412 2006-07-07 James E Wilson <wilson@specifix.com>
4414 * config/mips/mips.md (cpu): Add sb1a.
4415 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4416 addition to sb1. Adjust comments to clarify SB-1A differences from
4418 (ir_sb1a_load): New. Modify bypasses to use it.
4419 (ir_sb1a_simple_alu): Likewise.
4420 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4421 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4422 (mips_issue_rate): Add PROCESSOR_SB1A.
4423 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4424 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4425 (TARGET_SB1): Add PROCESSOR_SB1A check.
4426 (TUNE_SB1): Likewise.
4428 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4429 * config/mips/mips.c (mips_store_data_bypass_p): New.
4430 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4431 store_data_bypass_p.
4433 2006-07-08 Paul Brook <paul@codesourcery.com>
4436 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4438 2006-07-07 Richard Guenther <rguenther@suse.de>
4441 * tree.h (build_one_cst): Declare.
4442 * tree.c (build_one_cst): New function.
4443 * tree-ssa-math-opts.c (get_constant_one): Remove.
4444 (insert_reciprocals): Use build_one_cst.
4445 * fold-const.c (fold_plusminus_mult): Likewise.
4447 2006-07-07 Roger Sayle <roger@eyesopen.com>
4449 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4450 * cfgloopanal.c (dump_graph): Likewise.
4451 * dojump.c (discard_pending_stack_adjust): Likewise.
4452 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4454 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4455 * function.c (finalize_block_changes): Likewise.
4456 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4457 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4458 * rtl.c (dump_rtx_statistics): Likewise.
4459 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4461 * varray.c (dump_varray_statistics): Likewise.
4462 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4463 decode_decimal64, encode_decimal128, decode_decimal128,
4464 decimal_real_to_decimal): Likewise.
4466 2006-07-07 Richard Guenther <rguenther@suse.de>
4468 PR tree-optimization/28187
4469 * tree-vrp.c (vrp_operand_equal_p): New function.
4470 (vrp_bitmap_equal_p): Likewise.
4471 (update_value_range): Use them to compare old and new
4474 2006-07-06 Roger Sayle <roger@eyesopen.com>
4476 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4477 a default case to switch statement to silence compiler warnings.
4479 2006-07-06 Roger Sayle <roger@eyesopen.com>
4482 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4483 the configured assembler supports the x87's ffreep mnemonic.
4484 * configure: Regenerate.
4485 * config.in: Regenerate.
4487 * config/i386/i386.c (output_387_ffreep): New function.
4488 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4489 (output_387_reg_move): Likewise.
4491 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4493 Port to hosts whose 'sort' and 'tail' implementations
4494 treat operands with leading '+' as file names, as POSIX
4495 has required since 2001. However, make sure the code still
4496 works on pre-POSIX hosts.
4497 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4498 which says you should use "tail -c +N" rather than "tail +Nc".
4499 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4501 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4503 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4506 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4509 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4510 PRE_{INC,DEC} of TFmode.
4512 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4513 Alan Modra <amodra@bigpond.net.au>
4516 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4519 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4522 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4523 Remove duplicate gtu.
4525 2006-07-05 Jason Merrill <jason@redhat.com>
4529 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4530 * c-common.c (handle_packed_attribute): So don't copy it here.
4531 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4533 2006-07-05 Mike Stump <mrs@apple.com>
4535 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4537 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4540 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4542 2006-07-05 Richard Guenther <rguenther@suse.de>
4545 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4546 TARGET_SSE2 targets if using SSE math.
4547 (*absdf2_1): Likewise.
4549 2006-07-05 Richard Guenther <rguenther@suse.de>
4551 PR tree-optimization/28162
4552 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4553 make sure to convert the operands to the correct type.
4555 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4557 PR tree-optimization/28218
4559 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4560 to calculate and free the dominator information.
4562 2006-07-04 Peter O'Gorman <peter@pogma.com>
4564 * mklibgcc.in: chmod 644 before ranlib during install.
4566 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4567 J"orn Rennecke <joern.rennecke@st.com>
4569 * configure.ac (.eh_frame data check): Use diff -b.
4571 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4574 * Makefile.in (BUILD_RTL): Add build/vec.o.
4575 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4576 (build/genextract): Delete.
4577 (build/genautomata): Likewise.
4579 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4582 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4583 128-bit IBM long doubles for ABI_V4.
4585 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4587 * tree.c (range_in_array_bounds_p): New predicate.
4588 * tree.h (range_in_array_bounds_p): Declare it.
4589 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4590 return a less conservative answer.
4591 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4592 and flag 'is_group'.
4593 (IS_ELEMENT_FOR_GROUP): New macro.
4594 (FOR_EACH_ACTUAL_CHILD): Likewise.
4595 (next_child_for_group): New helper function.
4596 (can_completely_scalarize_p): Take into account groups.
4597 (sra_hash_tree): Handle RANGE_EXPR.
4598 (sra_elt_eq): Likewise.
4599 (lookup_element): Be prepared for handling groups.
4600 (is_valid_const_index): Delete.
4601 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4602 instead of is_valid_const_index.
4603 <ARRAY_RANGE_REF>: New case.
4604 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4605 is_valid_const_index.
4606 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4607 (scan_dump): Dump info for groups too.
4608 (decide_instantiation_1): Likewise.
4609 (decide_block_copy): Assert that the element is not a group.
4610 Propagate decision to groups.
4611 (generate_one_element_ref): Handle RANGE_EXPR.
4612 (mark_no_warning): Iterate over actual childs.
4613 (generate_copy_inout): Likewise.
4614 (generate_element_copy): Likewise.
4615 (generate_element_zero): Likewise.
4616 (generate_element_init_1): Likewise.
4617 (dump_sra_elt_name): Handle RANGE_EXPR.
4619 2006-07-03 Roger Sayle <roger@eyesopen.com>
4621 PR tree-optimization/26251
4622 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4623 (thread_block): When optimizing for size refuse to thread jumps
4624 that would require duplication of blocks other than redirection
4627 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4629 * configure.ac: Fix thinko in previous check-in.
4630 * configure: Regenerate.
4632 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4635 * configure.ac (for lang...): Simplify nesting of conditionals.
4636 Test subdir_requires for non-enabled languages. Move processing
4637 of lang_opt_files and lang_tree_fiels below that test.
4638 * configure: Regenerate.
4639 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4641 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4643 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4645 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4647 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4650 2006-06-29 Jason Merrill <jason@redhat.com>
4657 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4658 * c-common.c (c_determine_visibility): Handle it here.
4659 * c-decl.c (finish_decl): Call c_determine_visibility for
4661 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4663 * varasm.c (default_assemble_visibility): Likewise.
4664 * c-common.c (handle_visibility_attribute): Complain about trying
4665 to give visibility to an already defined class, or trying to change
4666 declared visibility. Always attach the attribute.
4671 * attribs.c (decl_attributes): Ignore type-in-place attributes
4672 once the type has been defined.
4674 2006-06-29 Roger Sayle <roger@eyesopen.com>
4677 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4678 to indicate the cpplib has issued an error message for us.
4680 2006-06-29 Asher Langton <langton2@llnl.gov>
4683 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4684 insert a label at the end of an function under Mach-O.
4686 2006-06-29 Eric Christopher <echristo@apple.com>
4687 Evan Cheng <evan.cheng@apple.com>
4689 * predicates.md (vector_all_ones_operand): New.
4690 (nonimmediate_or_sse_const_operand): Ditto.
4691 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4692 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4693 (standard_sse_mode_p): Ditto.
4694 (standard_sse_constant_p): Add case for -1 vector.
4695 (ix86_expand_vector_move): Try to use.
4696 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4697 Call standard_sse_constant_opcode.
4698 (*movv4sf_internal): Ditto.
4699 (*movv2df_internal): Ditto.
4701 2006-06-29 Roger Sayle <roger@eyesopen.com>
4703 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4704 of XEXP to extract the operands of a MATCH_CODE rtx.
4706 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4708 * tree.c (tree_size): Do not waste tail padding in
4709 struct tree_string and make the size be the same as
4710 build_string will generate.
4712 2006-06-28 Jason Merrill <jason@redhat.com>
4715 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4716 may_aliases already in the tag's annotations to the bitmap.
4718 2006-06-28 Roger Sayle <roger@eyesopen.com>
4720 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4722 2006-06-28 Roger Sayle <roger@eyesopen.com>
4724 * genpreds.c (generate_switch_p): New function.
4725 (add_mode_tests): Push the new mode test down inside an AND expr
4726 if this allows the switch-suitable MATCH_CODE to be near the root.
4727 (write_match_code_switch): New function to write a MATCH_CODE as
4729 (write_predicate_stmts): New function to write a predicate RTX
4730 expression as a sequence of statements.
4731 (write_one_predicate_function): Use write_predicate_stmts.
4732 (write_tm_constrs_h): Likewise.
4734 2006-06-26 Fred Fish <fnf@specifix.com>
4736 * config/mips/t-sb1: New file.
4737 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4740 2006-06-26 DJ Delorie <dj@redhat.com>
4742 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4744 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4745 Jayant Sonar <jayants@kpitcummins.com>
4746 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4748 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4749 (subsi3, subsi3_1, subsi3_2): New.
4750 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4751 * config/m32c/mov.md (SI mov peephole): New.
4752 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4753 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4755 2006-06-26 Olivier Hainque <hainque@adacore.com>
4757 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4758 a CALL_EXPR target function declaration.
4760 2006-06-26 Richard Guenther <rguenther@suse.de>
4762 * tree.c (build_string): Do not waste tail padding in
4765 2006-06-26 Richard Guenther <rguenther@suse.de>
4767 * ggc-page.c (init_ggc): Add missing element to size_lookup
4771 2006-06-23 Richard Guenther <rguenther@suse.de>
4773 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4774 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4775 alignment requests instead. Add verification code.
4776 Add struct tree_function_decl and struct tree_binfo size to
4777 extra_order_size_table. Add missing element to size_lookup
4780 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4783 * fold-const.c (const_binop): Be prepared for self returning zero.
4784 Simplify code handling complex values.
4786 2006-06-24 Olivier Hainque <hainque@adacore.com>
4788 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4789 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4792 2006-06-24 Olivier Hainque <hainque@adacore.com>
4794 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4795 ARRAY_REF, so have the callback called for the low bound expression.
4797 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4799 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4800 * c-typeck.c (c_common_type): Disallow operations on decimal float
4801 types and other float types.
4802 * convert.c (convert_to_real): Don't ignore conversions involving
4803 decimal float types.
4805 2006-06-23 Olivier Hainque <hainque@adacore.com>
4807 * tree.c (max_int_size_in_bytes): New function, inspired from
4808 code in function.c:assign_temp.
4809 * tree.h (max_int_size_in_bytes): Declare.
4810 * function.c (assign_temp): Use it.
4811 * gimplify.c (create_tmp_var): Relax the assertions on the type
4812 properties, not mandating constant size any more.
4813 (force_constant_size): New static function.
4814 (gimple_add_tmp_var): Use it, forcing variable size to a
4815 constant upper bound if it is not constant on entry.
4817 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4820 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4821 for initialization and setting of one_only flag to ...
4822 (i386_pe_encode_section_info): ...here.
4823 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4824 Recheck that the symbol has not been defined.
4826 2006-06-23 Richard Guenther <rguenther@suse.de>
4828 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4829 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4830 alignment requests instead. Add verification code.
4831 Add struct tree_function_decl and struct tree_binfo size to
4832 extra_order_size_table. Add missing element to size_lookup
4835 2006-06-22 Roger Sayle <roger@eyesopen.com>
4836 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4839 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4840 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4842 2006-06-23 Ben Elliston <bje@au.ibm.com>
4844 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4845 negate dn -- manipulate it directly.
4847 2006-06-22 Roger Sayle <roger@eyesopen.com>
4848 Steven Bosscher <stevenb.gcc@gmail.com>
4851 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4852 generated by gen_move_insn to add REG_LABEL notes if necessary.
4854 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4856 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4857 (leaf_entry): Remove use of MIN_ESA.
4859 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4861 PR rtl-optimization/28121
4862 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4865 2006-06-21 DJ Delorie <dj@redhat.com>
4867 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4869 (mulhisi3_r): Likewise.
4871 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4874 * coverage.c (coverage_counter_alloc): Leave the index type
4876 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4879 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4881 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4882 section from the "Options for Code Generation Conventions".
4884 2006-06-21 Richard Henderson <rth@redhat.com>
4888 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4890 (global_symbolic_operand): Allow weak symbols, even if local_p.
4892 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4894 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4895 (find_interesting_uses_address): Punt if above function returns true.
4897 2006-06-21 Richard Guenther <rguenther@suse.de>
4899 * configure: Regenerated.
4901 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4903 * config/mips/mips.c (function_arg): Where one part of a
4904 complex argument is in registers and the other part in the stack,
4905 return a REG not a PARALLEL.
4907 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4909 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4910 when cross-compiling. Do not substitute libstdcxx_incdir.
4911 * configure: Regenerated.
4913 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4915 * varasm.c (mergeable_string_section): Check for embedded NULs and
4916 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4917 rather than TREE_STRING_LENGTH bytes.
4919 2006-06-21 Richard Guenther <rguenther@suse.de>
4921 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4922 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4925 2006-06-21 Richrad Guenther <rguenther@suse.de>
4927 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4928 Limit iteration over the dominators.
4930 2006-06-20 Roger Sayle <roger@eyesopen.com>
4932 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4933 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4935 2006-06-20 Richard Guenther <rguenther@suse.de>
4936 Michael Matz <matz@suse.de>
4938 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4940 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4941 * et-forest.h (et_free_pools): Prototype new function.
4942 * et-forest.c (et_free_tree_force): Free parent occurrence.
4943 (et_free_pools): New function.
4944 * dominance.c (free_dominance_info): Free et-forest alloc
4947 2006-06-20 Roger Sayle <roger@eyesopen.com>
4949 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4950 integer modes, attempt to directly construct an integer constant.
4952 * fold-const.c (native_encode_vector): Determine the size of each
4953 element from the vector type instead of the first vector element.
4955 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4956 if all of its elements/components are constant.
4957 (build_constructor_from_list): Likewise.
4959 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4961 PR tree-optimization/27331
4962 * tree-data-ref.c (free_data_ref): New function.
4963 (create_data_ref): Fail if the data reference has unknown access
4965 (free_data_refs): Use free_data_ref.
4967 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4970 * tree-inline.c (setup_one_parameter): Strip useless
4971 type conversion before adding it to the IR.
4972 (declare_return_variable): Likewise.
4974 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4977 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4979 2006-06-19 Mike Stump <mrs@apple.com>
4981 * tree.c (variably_modified_type_p): VM arguments don't make the
4984 2006-06-19 Richard Guenther <rguenther@suse.de>
4986 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4987 type conversions after folding.
4989 2006-06-19 Richard Guenther <rguenther@suse.de>
4991 * ggc-page.c (extra_order_size_tab): Add entries with
4992 size of struct function and basic_block.
4993 (size_lookup): Extend to cover sizes up to 511.
4994 (ggc_alloc_stat): Adjust user.
4995 (ggc_pch_count_object): Likewise.
4996 (ggc_pch_alloc_object): Likewise.
4997 (ggc_pch_write_object): Likewise.
4999 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5001 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5002 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5005 2006-06-19 Denis Chertykov <denisc@overta.ru>
5007 * config/avr/libgcc.S : Correct my wrong previous commit.
5009 2006-06-19 Roger Sayle <roger@eyesopen.com>
5012 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5013 have stripped a SUBREG from the shift count, so we may need to
5014 convert_to_mode back to the type's mode before calling make_tree.
5015 Use new_amount instead of amount to avoid expanding a tree twice.
5017 2006-06-19 Richard Guenther <rguenther@suse.de>
5020 * fold-const.c (operand_equal_p): Check if the argument types
5021 have the same precision before stripping NOPs.
5023 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5025 Fix PR tree-optimization/27341
5026 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5028 * tree-complex.c (pass_lower_complex): Update SMT usage.
5030 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5032 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5033 Add a new alternative to the constraint strings. Add move of
5034 operand 1 to 3 to the splitter definition.
5035 ("doloop_si_long"): Second contraint alternative removed.
5037 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5039 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5040 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5042 (AVR_HAVE_MOVW) Define.
5043 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5044 (ASM_SPEC): Add avr25.
5045 (LINK_SPEC): Add avr25.
5046 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5047 (base_arch_s): Add new member 'have_movw_lpmx'.
5048 (avr_arch_types): Init 'have_movw_lpmx'.
5049 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5050 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5051 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5052 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5053 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5055 (avr_file_start): Do not output '.arh' derective.
5056 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5057 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5058 * config/avr/avr.md (mcu_enhanced): Delete.
5059 (mcu_have_movw): Define.
5060 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5061 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5062 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5063 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5064 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5065 attiny861 and at86rf401 devices.
5067 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5069 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5072 2006-06-17 Karl Berry <karl@gnu.org>
5074 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5075 doc/gccint.texi, doc/install.texi (@dircategory): Use
5076 "Software development" instead of "Programming", following
5077 the Free Software Directory.
5079 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5081 * config/i386/i386.c (legitimate_tls_address)
5082 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5083 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5084 (*tls_dynamic_gnu2_combine_64): Likewise.
5086 2006-06-16 Richard Guenther <rguenther@suse.de>
5089 * fold-const.c (negate_expr_p): Do not introduce undefined
5090 overflow in negating INTEGER_CSTs.
5091 (fold_negate_expr): Rename from negate_expr. Revert last
5092 change for folding BIT_NOT_EXPR. Change semantics to
5093 return NULL_TREE for non-simplified negations. Do not
5094 strip type conversions and unify type handling.
5095 (negate_expr): New function, wrap around fold_negate_expr
5096 but ensure building a tree always. Strip type conversions
5097 here, fold to result type.
5098 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5100 2006-06-16 Roger Sayle <roger@eyesopen.com>
5103 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5104 that (would) return their results in stack registers.
5106 2006-06-16 Michael Matz <matz@suse.de>
5107 Richard Guenther <rguenther@suse.de>
5109 * fold-const.c (fold_truthop): Only return new tree node if
5110 we canonicalized something.
5112 2006-06-16 Richard Guenther <rguenther@suse.de>
5114 * function.h (enum function_frequency): Move declaration
5115 out of struct function.
5116 (struct function): Move bool fields and the enum to the bitfield
5117 section. Reorder elements to avoid padding. Remove unused
5118 fields left over from the RTL inliner removal.
5119 * function.c (free_after_compilation): Do not zero removed fields.
5120 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5121 (ipa-type-escape.o): Likewise.
5123 2006-06-16 Richard Guenther <rguenther@suse.de>
5125 * cgraph.h (struct cgraph_local_info): Turn bool elements
5127 (struct cgraph_node): Likewise.
5128 (struct cgraph_varpool_node): Likewise.
5130 2006-06-15 Richard Guenther <rguenther@suse.de>
5132 * fold-const.c (fold_truth_not_expr): Rename from
5133 invert_truthvalue. Give it fold_* semantics to avoid
5135 (invert_truthvalue): New function. Wrapper around
5136 fold_truth_not_expr.
5137 (optimize_minmax_comparison): Avoid creating garbage.
5138 (fold_unary): Use fold_truth_not_expr for folding
5140 (fold_ternary): Replace uses of invert_truthvalue with
5141 fold_truth_not_expr where applicable.
5142 * tree.h (fold_truth_not_expr): Prototype.
5144 2006-06-16 Richard Guenther <rguenther@suse.de>
5146 PR tree-optimization/27781
5147 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5148 * ipa-pure-const.c (target.h): Include.
5149 (analyze_function): Do not analyze functions that do not
5152 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5155 * tree-dfa.c (referenced_vars_dup_list): Remove.
5156 (find_referenced_vars): Remove assert.
5157 (referenced_var_check_and_insert): Replace dup list with assert.
5158 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5159 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5161 2006-06-15 Richard Guenther <rguenther@suse.de>
5163 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5164 extra unused identifiers if not dumping.
5165 (create_variable_info_for): Likewise.
5167 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5169 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5170 (derive_constant_upper_bound): Derive more precise upper bound in
5171 common cases. Return type changed to double_int.
5172 (record_estimate): Reflect the changed return type of
5173 derive_constant_upper_bound.
5174 * double-int.c (double_int_zext, double_int_sext): Fix.
5176 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5178 * configure.ac (CFLAGS): Get them from the toplevel or from the
5179 configure invocation.
5180 * configure: Regenerate.
5181 * Makefile.in (CFLAGS): Substitute value provided by configure.
5183 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5186 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5187 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5188 rather than calling add_stmt on it.
5189 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5191 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5194 * reload1.c (reload): Remove registers returned by update_eliminables
5195 from used_spill_regs.
5197 2006-06-13 DJ Delorie <dj@redhat.com>
5199 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5201 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5203 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5204 html__strip_dir, html__mkdir_p. Enhance install-html target.
5205 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5206 * configure: Regenerate.
5208 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5210 * fold-const.c (fold_cond_expr_with_comparison): Check for
5211 Objective-C++ as language in deciding COND_EXPR transformation.
5213 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5216 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5217 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5218 * config/sh/lib1funcs.h (SL, SL1): Define.
5219 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5220 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5221 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5222 (OBJS_Os_4_200): New variable.
5223 ($(T)libgcc-Os-4-200.a): Use it.
5224 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5225 when dividing 1 and/or by 0.
5227 2006-06-13 Roger Sayle <roger@eyesopen.com>
5229 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5230 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5231 * configure: Regenerate.
5233 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5235 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5236 for real instruction.
5238 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5241 * haifa-sched.c (check_cfg): Handle special case.
5243 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5246 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5247 Add debug_info parameter. Chain the vars to the BLOCK instead
5248 of the BIND_EXPR if debug info are requested for them.
5249 (pop_gimplify_context): Adjust for above change.
5250 (gimple_add_tmp_var): Likewise.
5251 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5253 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5254 (convert_local_reference): Likewise.
5255 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5256 (finalize_nesting_tree_1): Request that debug info be emitted
5257 for debug_var_chain.
5259 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5261 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5262 for PR target/27863.
5264 2006-06-13 Richard Guenther <rguenther@suse.de>
5267 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5269 2006-06-13 Richard Guenther <rguenther@suse.de>
5271 PR tree-optimization/27830
5272 * tree-inline.c (copy_body_r): For copying the operand
5273 of an ADDR_EXPR make sure to fold &* afterwards.
5275 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5277 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5278 lvalues in the fb_none case with side-effects.
5280 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5282 * tree-flow.h: Remove the prototype for
5283 compute_phi_arg_on_exit.
5284 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5285 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5288 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5290 * builtins.c (expand_builtin_return_addr): Only use
5291 frame_pointer_rtx when count == 0 and we are expanding
5292 __builtin_return_address.
5294 2006-06-12 Fred Fish <fnf@specifix.com>
5296 * config/mips/mips.c (mips_file_start): Create special section
5297 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5299 2006-06-11 Eric Christopher <echristo@apple.com>
5302 * stor-layout.c (place_field): Remove check for
5303 remaining_in_alignment when aligning at the end of a run.
5305 2006-06-11 Eric Christopher <echristo@apple.com>
5308 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5311 2006-06-11 Roger Sayle <roger@eyesopen.com>
5314 Revert incorrect fix for PR target/27158
5315 2006-05-08 Roger Sayle <roger@eyesopen.com>
5316 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5317 of a reg_equiv_constant if the result is a legitimate constant.
5319 2006-06-11 Roger Sayle <roger@eyesopen.com>
5322 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5323 extract a CONST_VECTOR element and interpret it as an integer.
5324 (vspltis_constant): Use const_vector_elt_as_int instead of the
5325 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5326 * config/rs6000/predicates.md (easy_vector_const): Consider
5327 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5329 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5332 * stor-layout.c (update_alignment_for_field): Don't add extra
5333 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5336 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5338 * config/mips/t-rtems: Add EL/EB multilib variants.
5340 2006-06-09 Mike Stump <mrs@apple.com>
5342 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5344 2006-06-09 David Daney <ddaney@avtrex.com>
5346 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5348 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5350 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5352 2006-06-09 Richard Guenther <rguenther@suse.de>
5354 PR tree-optimization/26998
5355 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5356 of signed types, only TYPE_MIN_VALUE is special, but for both,
5357 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5358 in this case, as is -fwrapv.
5360 2006-06-08 Mike Stump <mrs@apple.com>
5363 * config/darwin.c (darwin_asm_output_anchor): Disable
5364 -fsection-anchors on darwin for now.
5365 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5366 * rs6000/rs6000.c (optimization_options): Likewise.
5368 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5371 * config/i386/i386.c (classify_argument): Skip fields with invalid
5374 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5376 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5377 (cse_insn): Likewise for the stack_pointer_rtx.
5379 2006-06-08 Roger Sayle <roger@eyesopen.com>
5381 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5382 conditions from floating point comparisons.
5384 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5387 * expmed.c (struct alg_hash_entry): Fix type of field T
5388 to match synth_mult argument.
5389 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5391 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5394 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5397 2006-06-08 Richard Guenther <rguenther@suse.de>
5400 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5401 only, if overflow is defined and not trapping.
5402 (negate_expr): Likewise.
5404 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5406 PR tree-optimization/27872
5407 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5408 flag on the new exit edge of the unrolled loop.
5410 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5412 PR rtl-optimization/26449
5413 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5415 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5418 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5419 referenced_variables with matching DECL_UID's.
5420 (find_referenced_vars): Make sure duplicate list is empty to start.
5421 (referenced_var_p): Remove.
5422 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5423 Check if var is in the list, and add if needed. Update the duplicate
5424 list if a different var is in the list with the same DECL_UID.
5425 (add_referenced_var): Call routine to check and insert.
5426 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5427 * tree-flow.h (referenced_vars_dup_list): External declaration.
5429 2006-06-07 Fred Fish <fnf@specifix.com>
5431 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5434 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5437 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5438 the imaginary and real parts of a clobbered register.
5439 Emit insn to set the imaginary part.
5441 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5443 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5444 in lieu of unwind-dw2-fde.c.
5446 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5448 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5450 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5453 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5454 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5455 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5456 V4SImode temporaries and operations instead.
5458 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5460 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5463 2006-06-06 Mike Stump <mrs@apple.com>
5465 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5466 installing during build.
5468 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5470 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5472 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5473 * config/ia64/ia64.c (params.h): New header.
5474 (ia64_optimization_options): New function to adjust parameters.
5475 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5476 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5477 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5479 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5481 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5483 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5486 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5488 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5489 Victor Kaplansky <victork@il.ibm.com>
5491 PR tree-optimization/26360
5492 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5495 2006-06-04 Roger Sayle <roger@eyesopen.com>
5496 Andrew Pinski <pinskia@physics.uc.edu>
5499 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5500 for LABEL_DECL before calling DECL_WEAK.
5503 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5504 LABEL_DECL and PARM_DECL.
5506 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5510 * c-decl.c (grokdeclarator): Disallow variably modified types at
5511 file scope. Avoid marking shared array type of constant size as
5514 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5517 * c-common.c (fold_offsetof_1): Handle static members.
5519 2006-06-04 Eric Christopher <echristo@apple.com>
5521 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5522 (debug_rli): Output value for remaining_in_alignment.
5523 (update_alignment_for_field): Unconditionalize
5524 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5525 extra alignment code.
5526 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5527 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5528 * tree.h (record_layout_info_s): Remove prev_packed.
5529 * doc/extend.texi (ms_struct): Add documentation of format.
5531 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5533 * tree.h: Declare folding_initializer.
5534 * builtins.c (fold_builtin_constant_p): Give definite answer
5535 if folding inside an initializer.
5536 * fold-const.c: Define folding_initializer.
5537 (START_FOLD_INIT): Save and then set folding_initializer.
5538 (END_FOLD_INIT): Restore folding_initializer.
5540 2006-06-04 Richard Guenther <rguenther@suse.de>
5542 PR tree-optimization/27039
5543 * fold-const.c (fold_comparison): Handle pointer comparison
5544 again for all comparison codes. Compare offsets in signed
5546 (fold_binary): Move code from here.
5548 2006-06-03 Roger Sayle <roger@eyesopen.com>
5551 * config/i386/i386.c (construct_container): Split static issued_error
5552 flag into issued_sse_arg_error, issued_sse_ret_error and
5553 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5554 requires the use of x87 registers and the user explicitly
5555 specified the -mno-80387 command line option.
5557 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5559 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5560 HAVE_DECL_SIGALTSTACK.
5562 (segv_handler): Use MC_FLD.
5563 * configure.ac: Check for a sigaltstack declaration.
5564 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5565 * configure: Regenerate.
5566 * config.in: Regenerate.
5568 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5571 * Makefile.in (stmp-fixinc): Fix typo.
5573 2006-06-02 Roger Sayle <roger@eyesopen.com>
5575 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5576 are type correct. Clean-up.
5577 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5578 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5580 2006-06-01 DJ Delorie <dj@redhat.com>
5582 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5583 shift, as we've disabled the "switch" insn that needs it.
5585 2006-06-01 Per Bothner <bothner@bothner.com>
5587 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5588 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5589 * c-ppoutput.c (cb_define): Don't increment line 0.
5591 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5593 * doc/invoke.texi: Add cpu_type power6.
5594 * config.gcc: Add cpu_type power6.
5595 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5596 to power5+ with Altivec.
5597 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5598 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5600 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5602 * config/avr/avr.h (SET_ASM_OP): Define.
5604 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5606 * config/bfin/bfin.c: Fix comment typos.
5608 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5611 * doc/install.texi: Document --enable-bootstrap and
5612 --disable-bootstrap.
5614 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5616 * doc/install.texi: Document that InfoZIP can replace jar.
5618 2006-05-31 Roger Sayle <roger@eyesopen.com>
5620 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5621 isn't available, directly generate the simpler x87 patterns without
5622 the (use (const_int 0)).
5623 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5624 implementation isn't available.
5625 (*negdf2_1): Likewise.
5626 (*negxf2_1): XF mode negation is always done using the x87.
5627 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5629 2006-05-31 Roger Sayle <roger@eyesopen.com>
5631 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5632 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5634 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5636 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5638 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5639 * config/bfin/bfin.c (basic-block.h): Include.
5640 (struct machine_function): New.
5641 (bfin_init_machine_status): New.
5642 (override_options): Initialize init_machine_status.
5643 (bfin_hardware_loop): New.
5644 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5645 (DEF_VEC_P (loop_info)): New.
5646 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5647 (struct loop_info): New.
5648 (loop_info): New typedef.
5649 (struct loop_work): New.
5650 (loop_work): New typedef.
5651 (DEF_VEC_O (loop_work)): New.
5652 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5653 (bfin_dump_loops): New.
5654 (bfin_bb_in_loop): New.
5655 (bfin_scan_loop): New.
5656 (bfin_optimize_loop): New.
5657 (bfin_reorg_loops): New.
5658 (bfin_reorg): Use bfin_reorg_loops.
5659 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5661 (I_REGNO_P): Simplify.
5662 (DP_REGNO_P, DPREG_P): New macros.
5663 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5664 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5665 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5666 Add LT_REGS, LC_REGS, LB_REGS.
5667 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5669 (REGNO_REG_CLASS): Deal with loop registers.
5670 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5672 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5673 New constants for loop registers.
5674 (UNSPEC_LSETUP_END): New.
5675 (seq_insns): New define_attr. Set it for appropriate insns.
5676 (movsi_insn): Add alternatives for move from/to
5677 loop count registers.
5678 (doloop_end): New define_expand.
5679 (loop_end): New define_insn.
5680 (define_split for bad doloop_end): New.
5681 (lsetup_with_autoinit): New define_insn.
5682 (lsetup_without_autoinit): New define_insn.
5683 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5684 * config/bfin/predicates.md (lc_register_operand): New.
5685 (lt_register_operand): New.
5686 (lb_register_operand): New.
5687 (nondp_register_operand): New.
5688 (nondp_reg_or_memory_operand): New.
5689 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5691 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5693 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5694 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5696 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5698 * Makefile.in (CATALOGS): Add po/ prefix.
5699 * configure: Regenerated.
5701 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5704 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5705 a shift operand before calling shift_op. Avoid redundant call of
5708 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5709 DJ Delorie <dj@redhat.com>
5711 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5712 we're inserting is a singlt-bit constant.
5714 2006-05-30 Roger Sayle <roger@eyesopen.com>
5716 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5717 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5719 2006-05-30 Roger Sayle <roger@eyesopen.com>
5721 PR tree-optimization/23452
5722 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5723 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5724 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5725 complex values and with -ffast-math for FP complex values.
5727 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5729 * c-common.h: Remove the prototype for yyparse.
5730 * rtl.h: Remove the prototype for init_loop.
5732 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5734 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5737 2006-05-30 Roger Sayle <roger@eyesopen.com>
5739 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5741 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5742 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5744 2006-05-30 Dirk Mueller <dmueller@suse.de>
5747 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5748 for CONSTANT_CLASS_P expresisons.
5750 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5753 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5755 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5757 PR tree-optimization/27779
5758 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5759 initial_condition instead of CHREC_LEFT.
5761 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5763 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5764 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5765 Make prototypes ISO C90.
5767 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5768 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5770 * see.c (see_analyze_one_def): Correct check.
5771 (see_get_extension_data): Check if extension is parallel.
5772 (see_get_extension_reg): Likewise.
5774 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5777 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5778 into register for (code == GTU).
5780 2006-05-29 Roger Sayle <roger@eyesopen.com>
5782 PR tree-optimization/24964
5783 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5784 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5785 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5786 abs(x)*abs(x) as x*x for scalar floating point modes.
5788 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5791 * lambda-code.c (perfect_nestify): Don't copy statements
5792 in the inner loop: move them to the inner loop header.
5794 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5797 * c-tree.texi: Document OpenMP directives and clauses.
5799 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5801 * varasm.c (globalize_decl): Fix indentation.
5803 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5806 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5807 pass_fre, pass_store_ccp, pass_copy_prop,
5808 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5809 pass_return_slot, pass_object_size, pass_lim,
5810 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5811 pass_loop_prefetch and pass_stdarg.
5813 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5815 * config/bfin/bfin.opt (mfdpic): New option.
5816 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5817 (EXTRA_MULTILIB_PARTS): Likewise.
5818 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5819 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5821 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5822 (CRT_CALL_STATIC_FUNCTION): New.
5823 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5825 (CRT_CALL_STATIC_FUNCTION): New.
5826 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5828 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5829 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5830 (initialize_trampoline): Changed to handle FD-PIC code generation.
5831 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5832 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5833 (override_options): Disallow -mid-shared-library -mfdpic combination.
5834 Can't do unaligned ops if FD-PIC.
5835 Turn off flag_pic if trying to generate non-id-shared-library
5836 non-fdpic code, since it's not supported.
5837 (bfin_assemble_integer): New function.
5838 (TARGET_ASM_INTEGER): Define.
5839 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5841 * config/bfin/crtn.s: Restore them.
5842 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5844 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5845 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5846 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5847 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5848 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5850 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5851 FDPIC_REGS and FDPIC_FPTR_REGS.
5852 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5853 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5854 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5855 (load_funcdescsi): New pattern.
5856 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5857 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5858 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5860 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5862 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5865 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5867 * tree-flow.h: Remove the prototype for add_type_alias.
5868 * tree-ssa-alias.c (add_type_alias): Remove.
5870 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5872 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5873 config/fr30/fr30.md, config/i386/i386-interix.h,
5874 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5875 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5876 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5877 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5878 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5879 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5880 Follow spelling conventions.
5881 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5882 Follow spelling conventions.
5884 2006-05-27 Richard Guenther <rguenther@suse.de>
5887 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5888 to produce a constant of value 1 of generic type.
5890 2006-05-27 Dirk Mueller <dmueller@suse.de>
5892 * cgraphunit.c (decide_is_function_needed): Fix wrong
5895 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5897 PR rtl-optimization/27661
5898 * reload.c (find_reloads): When reloading a VOIDmode constant
5899 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5900 use Pmode as mode of the reload register.
5902 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5904 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5905 is enabled at -O and above.
5907 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5910 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5913 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5916 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5917 for anonymous variables explicitly declared by front ends.
5919 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5921 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5922 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5923 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5924 ref-all pointers, run a finalization pass for them.
5925 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5926 (finalize_ref_all_pointers): New function.
5927 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5928 regular pointer type to a ref-all pointer type.
5929 (get_tmt_for): Return the special memory tag for ref-all pointers.
5931 2006-05-25 Richard Guenther <rguenther@suse.de>
5934 * fold-const.c (fold_binary): Do not look at the stripped
5935 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5937 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5939 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5940 for LT and GT if the computed range is effectively empty.
5942 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5945 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5946 mips_quad_format formats instead of ieee_single_format,
5947 ieee_double_format and ieee_quad_format formats, respectively.
5949 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5951 PR tree-optimization/27639
5952 PR tree-optimization/26719
5953 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5954 call to scev_probably_wraps_p.
5955 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5956 used_in_pointer_arithmetic_p, convert_step): Removed.
5957 (nowrap_type_p): New function.
5958 (scev_probably_wraps_p): Rewritten.
5959 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5960 chrec_convert if chrec_convert_aggressive might have been used.
5961 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5962 scev_direction): New functions.
5963 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5964 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5965 instead of convert_step.
5966 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5967 (convert_step): Declaration removed.
5968 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5970 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5972 * df-core.c: Added to header comments.
5973 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5974 df_ur_bb_info, df_urec_bb_info): Added comments.
5975 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5976 urec, ri problems): Fixed header comments.
5977 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5978 code from df_rd_transfer_function.
5980 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5982 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5983 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5984 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5986 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5988 * expr.c (undefined_operand_subword_p): New.
5989 (emit_move_multi_word): Do not generate move from undefined bits
5990 of a paradoxical subreg.
5992 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5994 PR rtl-optimization/27736
5995 * combine.c (replaced_rhs_value): New variable.
5996 (combine_instructions): Set it.
5997 (distribute_notes): When distributing a note in replaced_rhs_insn,
5998 check whether the value was used in replaced_rhs_value.
6000 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6003 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6004 add_referenced_var instead of add_referenced_tmp_var.
6005 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6006 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6008 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6009 tree_optimize_tail_calls_1): Use add_referenced_var.
6010 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6011 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6012 Use add_referenced_var.
6013 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6014 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6015 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6016 Use add_referenced_var.
6017 * tree-dfa.c (struct walk_state): Remove.
6018 (find_referenced_vars): Remove walk state and vars_found hash table.
6019 (make_rename_temp): Use add_referenced_var.
6020 (find_vars_r): Pass less parameters to add_referenced_var.
6021 (referenced_var_p): New. Is var in referenced_var hash table.
6022 (referenced_var_insert): Assert var isn't already in hash table.
6023 (add_referenced_var): Don't need walk_state parameter. Add var if it
6024 isn't already in the hash table.
6025 (add_referenced_tmp_var): Remove.
6026 (find_new_referenced_vars_1): Use add_referenced_var.
6027 * tree-ssa-pre.c (create_expression_by_pieces,
6028 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6029 Use add_referenced_var.
6030 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6031 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6032 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6034 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6035 vect_create_data_ref_ptr, vect_create_destination_var,
6036 vect_init_vector, vect_build_loop_niters,
6037 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6038 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6039 Use add_referenced_var.
6040 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6041 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6042 (add_referenced_var): Add prototype.
6043 * tree-ssa-structalias.c (get_constraint_for,
6044 intra_create_variable_infos): Use add_referenced_var.
6046 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6048 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6049 big-endian paradoxical subregs.
6050 * var-tracking.c (struct micro_operation_def): Document that,
6051 for modify micro operations, insn is the subsequent instruction.
6052 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6053 (var_reg_set, var_mem_set): ... new functions.
6054 (add_stores): Record subsequent insn.
6055 (compute_bb_dataflow): Use new functions for MO_USE.
6056 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6057 notes after the insn, and modify notes before the insn known
6058 to be the subsequent one.
6059 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6061 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6064 * config/i386/i386.c (ix86_expand_builtin): Use
6065 gen_sse3_monitor64 for TARGET_64BIT.
6067 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6069 PR rtl-optimization/26375
6070 PR rtl-optimization/26855
6071 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6073 (df_ru_bb_local_compute): Reversed statements and removed bogus
6074 comment explaining why they should be in wrong order.
6075 (df_ru_dump, df_rd_dump): Enhanced debug info.
6076 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6078 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6079 reaching uses and fixed space problem.
6081 2006-05-23 Jan Hubicka <jh@suse.cz>
6083 * cgraphunit.c (decide_is_function_needed): Also nested functions
6084 and functions declared inline can be optimized out at -O0.
6086 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6088 * doc/install.texi (Configuration): Remove reference to CrossGCC
6092 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6095 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6096 ix86_compare_emitted is non-NULL.
6098 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6101 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6104 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6106 PR rtl-optimization/25514
6107 * combine.c (replaced_rhs_insn): New variable.
6108 (combine_instructions): Set replaced_rhs_insn when trying to replace
6109 a SET_SRC with a REG_EQUAL note.
6110 (distribute_notes): Use replaced_rhs_insn when determining the live
6111 range of a REG_DEAD register.
6113 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6114 Anatoly Sokolov <aesok@post.ru>
6116 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6117 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6118 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6119 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6120 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6121 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6122 at90usb647, at90usb1286 and at90usb1287 devices.
6123 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6124 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6126 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6128 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6130 2006-05-22 Richard Guenther <rguenther@suse.de>
6133 2006-01-31 Richard Guenther <rguenther@suse.de>
6134 Paolo Bonzini <bonzini@gnu.org>
6136 * doc/install.texi (--disable-libgcc-math): Document.
6138 2006-05-22 Richard Guenther <rguenther@suse.de>
6141 2006-01-31 Richard Guenther <rguenther@suse.de>
6143 * doc/invoke.texi (-msselibm): Document.
6144 * target.h (expand_library_builtin): New target hook.
6145 * builtins.c (expand_builtin): Use expand_library_builtin.
6146 (default_expand_library_builtin): New function.
6147 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6148 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6149 (link_gcc_math_spec): Declare.
6150 (static_specs): Add link_gcc_math_spec.
6151 * expr.h (default_expand_library_builtin): Declare.
6152 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6153 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6154 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6155 * config/i386/i386.opt (msselibm): New target option.
6156 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6157 (ix86_init_sse_abi_builtins): New function.
6158 (ix86_expand_library_builtin): Likewise.
6159 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6160 (override_options): Handle error conditions wrt -msselibm.
6161 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6162 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6163 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6166 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6169 * c-common.c (self_promoting_args_p): Skip erroneous args.
6172 * c-decl.c (finish_struct): Skip erroneous fields.
6174 2006-05-22 Nick Clifton <nickc@redhat.com>
6176 * config/cris/cris.opt (march): Remove VarExists attribute.
6177 (max-stackframe=): Likewise.
6179 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6181 * doc/rtl.texi: Fix a typo.
6182 * see.c: Fix comment typos.
6184 * tree-ssa-structalias.h (alias_info): Remove num_references.
6186 2006-05-21 Mike Stump <mrs@apple.com>
6188 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6190 (darwin_pragma_options): Use BAD instead.
6191 (darwin_pragma_unused): Likewise.
6192 (darwin_pragma_ms_struct): Likewise.
6194 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6196 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6198 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6200 PR rtl-optimization/27671
6201 * simplify-rtx.c (simplify_relational_operation_1): Fix
6202 simplifications of (eq/ne (xor x y) y) and
6203 (eq/ne (xor x y) x).
6205 PR tree-optimization/26622.
6206 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6209 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6211 * tree-cfg.c: Prune whitespace.
6212 (debug_tree_cfg): Point to correct header containing the
6215 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6218 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6220 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6223 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6224 or sorry count is non zero.
6226 2006-05-20 Andreas Schwab <schwab@suse.de>
6228 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6230 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6231 Kenneth Zadeck <zadeck@naturalbridge.com>
6233 PR rtl-optimization/26855
6235 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6237 (df_scan_alloc): Added code to properly handle multiword hard
6238 registers and add all_blocks parameter.
6239 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6240 code to properly handle multiword hard registers.
6241 (df_rescan_blocks): Added code to remove deleted blocks from
6243 (df_ref_create_structure, df_ref_record): Added code to properly
6245 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6246 and set DF_REF_PARTIAL.
6247 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6248 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6249 (df_scan_add_problem): Added flags parameter.
6250 (df_ref_create_structure): Changed switching structure.
6251 (df_bb_refs_record): Fixed case where duplicate artificial refs
6252 were created. Changed location of flags.
6253 (df_record_entry_block_defs): Added code to make stack pointer
6254 live in entry block. Refined cases where frame pointer is needed.
6255 Changed location of flags.
6256 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6257 (df_set_state): Removed function.
6258 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6259 df_insn_create_insn_record, df_insn_refs_delete,
6260 df_ref_create_structure): Formatting changes.
6261 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6262 df_delete_basic_block): New function.
6263 (df_init): Changed location of flags.
6264 (df_add_problem): Added flags parameter and the way flags are
6266 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6267 debug_df_chain): Improved debugging output.
6268 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6269 (df_refs_chain_dump): Removed df parameter.
6270 (df_iterative_dataflow): Added consistency check.
6271 (df_prune_to_subcfg): Made public.
6272 (df_analyze_problem): Added blocks_to_init parameter and made
6274 (df_ref_record, df_bb_refs_record, df_mark_reg,
6275 df_record_exit_block_uses): Whitespace changes.
6276 (df_dump): Whitespace changes.
6277 * df.h: Some reordering to remove forward references.
6278 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6279 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6280 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6281 (dataflow.flags): New field.
6282 (df.flag): Deleted field.
6283 (df_alloc_function): Added additional bitmap parameter.
6284 (df_dependent_problem_function): New type.
6285 (df_problem.changeable_flags): New field.
6286 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6287 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6288 (df_mw_hardreg): New struct.
6289 (DF_INSN_UID_MWS): New macro.
6290 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6292 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6293 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6294 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6295 (df_set_state): Removed function.
6296 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6297 * df-problems.c (df_chain_dump): Removed df parameter.
6298 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6299 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6301 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6302 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6303 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6304 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6305 DF_REF_MUST_CLOBBER cases.
6306 (df_ru_bb_local_compute_process_def,
6307 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6308 df_lr_bb_local_compute, df_ur_bb_local_compute,
6309 df_chain_create_bb): Made subreg aware.
6310 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6311 df_lr_bb_local_compute, df_lr_bb_local_compute,
6312 df_chain_create_bb): Cleanup to use proper macros.
6313 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6314 code to fixup bitvectors.
6315 (df_ri_alloc): Cleared lifetime.
6316 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6317 df_create_unused_note): New function.
6318 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6319 REG_DEAD and REG_UNUSED notes as well as register information.
6320 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6321 df_chains_dump): Fixed crash if problem was never run.
6322 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6323 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6324 df_ri_add_problem): Processes flags in uniform manner.
6325 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6326 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6327 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6328 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6329 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6330 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6331 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6332 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6333 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6334 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6335 * see.c (see_initialize_data): Ditto.
6336 * final.c (rest_of_clean_state) Added regstack_completed.
6337 * rtl.h (regstack_completed): Ditto.
6338 * reg-stack.c (regstack_completed): Ditto.
6340 2006-05-19 Mike Stump <mrs@apple.com>
6342 * c-tree.h (default_conversion): Remove.
6343 * c-common.h (default_conversion): Add.
6345 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6347 * tree-vrp.c (valid_value_p): New function.
6348 (adjust_range_with_scev): Fail if the value of bound is not
6351 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6353 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6354 (mips_fallback_frame_state): Use syscall numbers to determine
6355 the appropriate li instruction for the current ABI. Only use
6356 __NR_sigreturn for o32.
6358 2006-05-19 Nicolas Setton <setton@adacore.com>
6360 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6361 * langhooks.c (lhd_dwarf_name): New function.
6362 * langhooks-def.h (lhd_dwarf_name): Declare.
6363 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6364 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6365 * ada/misc.c (gnat_dwarf_name): New function.
6366 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6368 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6370 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6372 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6373 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6374 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6375 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6376 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6377 determine the size of Wtype, etc.
6378 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6379 (swfloatfuncs): New variable.
6380 (dwfloatfuncs): Likewise.
6381 (lib2funcs): Remove floating-point conversion functions from
6382 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6383 the set of conversion routines needed. Allow entries to specify
6384 an object name, filename and word size. Update users accordingly.
6385 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6386 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6390 2006-02-08 Roger Sayle <roger@eyesopen.com>
6393 * config/fixtfdi.c: New libgcc source file.
6394 * config/fixunstfdi.c: New source file.
6395 * config/floatditf.c: New source file.
6396 * config/floatunditf.c: New souce file.
6397 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6398 files above instead of config/mips/_tilib.c.
6399 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6401 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6403 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6404 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6406 2006-05-18 Mike Stump <mrs@apple.com>
6408 Fix up vla, vm and [*] sematics.
6414 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6415 (c_vla_unspec_p): Add.
6416 (c_vla_type_p): Add.
6417 * c-decl.c (struct c_scope): Add had_vla_unspec.
6418 (build_array_declarator): Add support for [*].
6419 (grokdeclarator): Likewise.
6420 (grokparms): Likewise.
6421 (get_parm_info): Likewise.
6422 * c-objc-common.c (c_vla_unspec_p): Likewise.
6423 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6424 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6425 typeof when argument is a variably modified type not inside sizeof or alignof.
6426 (c_parser_direct_declarator_inner): Propagate errors.
6427 (c_parser_sizeof_expression): Add support for [*].
6428 (c_parser_parms_declarator): Initialize had_vla_unspec.
6429 (c_parser_parms_list_declarator): Likewise.
6430 * c-typeck.c (c_vla_type_p): Add.
6431 (composite_type): Add support for vla compositing.
6432 (comptypes_internal): Add support for vla compatibility.
6433 (c_expr_sizeof_expr): Evaluate vla arguments.
6434 * tree.c (variably_modified_type_p): Update comment for [*].
6436 2006-05-18 Michael Matz <matz@suse.de>
6439 * config.host: Make assignments to host_xmake_file cumulative.
6440 * config.host (*-darwin*): Test $host, not $target.
6442 2006-05-12 Stuart Hastings <stuart@apple.com>
6444 * config/i386/i386.opt (-mstackrealign): New flag.
6445 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6446 (ix86_handle_cconv_attribute): Emit error when
6447 force_align_arg_pointer attribute collides with too many regparms.
6448 (ix86_function_regparm): Limit regparms when used with
6449 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6450 Support stack-realigning prologue in non-main functions. Emit
6451 warning for nested functions under -mstackrealign, emit error for
6452 nested functions with force_align_arg_pointer attribute.
6453 * doc/extend.texi (force_align_arg_pointer): Document it.
6454 * doc/invoke.texi (-mstackrealign): Document it.
6456 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6458 PR rtl-optimization/27477
6459 * combine.c (try_combine): Don't split a parallel consisting
6460 of two sets into two individual sets if both sets reference
6463 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6465 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6466 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6468 * doc/options.texi (VarExists): Updated.
6470 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6472 * unwind-dw2.c: Add declarations for uw_update_context and
6474 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6475 detected, advance frame state and context once to skip over stub.
6477 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6481 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6482 Call rewrite_into_loop_closed_ssa only when something changed.
6483 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6484 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6485 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6486 Test for perfect_nest_p here. Fix formating.
6487 (replace_uses_equiv_to_x_with_y): Fix formating.
6488 (stmt_uses_op): Removed.
6489 (can_convert_to_perfect_nest): Removed loopivs parameter.
6490 Complete the test by checking the scalar dependences.
6491 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6494 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6497 From Dan Kegel <dank@kegel.com>:
6498 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6500 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6502 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6503 if the element type is variably modified without recursing.
6505 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6508 * tree-loop-linear.c (try_interchange_loops): Test for
6509 no data dependences.
6511 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6513 PR tree-optimization/27548
6514 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6515 range of ssa names that appear on abnormal edges.
6516 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6517 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6519 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6522 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6524 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6527 * tree.h (OMP_PARALLEL_COMBINED): Define.
6528 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6529 (new_omp_context): Add is_combined_parallel argument.
6530 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6531 new_omp_context caller.
6532 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6533 Adjust gimplify_scan_omp_clauses callers.
6534 (omp_is_private): Issue errors if iteration variable is firstprivate
6535 or reduction in the current context.
6536 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6537 on combined parallel workshare constructs.
6539 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6541 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6542 (gcc-options.o): New rule.
6544 * optc-gen.awk: Protect variables for gcc-options.o with
6545 #ifdef GCC_DRIVER/#endif.
6547 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6549 Fix PR tree-optimization/27373
6550 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6551 (forward_propagate_addr_expr): Update call.
6553 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6555 * doc/options.texi: Move the Negative option.
6557 2006-05-16 Richard Guenther <rguenther@suse.de>
6559 PR tree-optimization/22303
6560 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6562 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6563 ccp_fold did not simplify the statement.
6565 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6568 * Makefile.in (GCC_OBJS): New.
6569 (OBJS-common): Add opts-common.o.
6570 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6571 (cpp$(exeext)): Likewise.
6572 (gcc.o): Also depend on opts.h.
6573 (opts-common.o): New.
6575 * common.opt (gcoff): Add Negative(gdwarf-2).
6576 (gdwarf-2): Add Negative(gstabs).
6577 (gstabs): Add Negative(gstabs+).
6578 (gstabs+): Add Negative(gvms).
6579 (gvms): Add Negative(gxcoff).
6580 (gxcoff): Add Negative(gxcoff+).
6581 (gxcoff+): Add Negative(gcoff).
6582 * config/i386/i386.opt (m32): Add Negative(m64).
6583 (m64): Add Negative(m32).
6585 * doc/options.texi: Document the Negative option.
6587 * gcc.c: Include "opts.h".
6588 (main): Call prune_options after expandargv.
6590 * optc-gen.awk: Generate common declarations for all flag
6591 variables in options.c. Output the neg_index field.
6593 * opts.c (find_opt): Moved to ...
6594 * opts-common.c: Here. New file.
6596 * opts.h (cl_option): Add a neg_index field.
6598 (prune_options): Likewise.
6600 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6603 * omp-low.c (expand_omp_parallel): Don't assert
6604 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6605 instead search for it.
6608 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6611 2006-05-16 Andreas Schwab <schwab@suse.de>
6613 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6616 2006-05-15 Roger Sayle <roger@eyesopen.com>
6619 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6620 integer constants other than zero are only legitimate on TARGET_64BIT.
6621 <CONST_VECTOR> Only zero vectors are legitimate.
6622 (ix86_cannot_force_const_mem): Integral and vector constants can
6623 always be put in the constant pool.
6625 2006-05-16 DJ Delorie <dj@redhat.com>
6627 * crtstuff.c (__dso_handle): Set section from
6628 TARGET_LBIGCC_SDATA_SECTION if defined.
6629 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6630 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6632 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6635 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6638 2006-05-16 Ben Elliston <bje@au.ibm.com>
6640 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6642 2006-05-15 Per Bothner <per@bothner.com>
6644 * tree.c: (last_annotated_node): Use source_locus typedef.
6645 This permits bootstrapping with --enable-mapped-location.
6647 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6649 PR tree-optimization/26830
6650 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6651 (info_for_ssa_name, current_info_for_ssa_name_age,
6652 blocks_to_update): New variables.
6653 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6654 (clear_ssa_name_info, initialize_flags_in_bb,
6655 mark_block_for_update): New functions.
6656 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6657 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6658 prepare_def_site_for): Use mark_block_for_update.
6659 (mark_def_interesting): Assert that the processed block is marked in
6660 blocks_to_update. Do not take blocks argument.
6661 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6663 (rewrite_update_init_block, rewrite_update_stmt): Only process
6664 blocks with statements to rewrite.
6665 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6666 (update_ssa): Initialize and free blocks_to_update. Do not
6667 clear flags on statements. Do not use blocks bitmap.
6668 * tree.h (SSA_NAME_AUX): Removed.
6669 (struct tree_ssa_name): Removed aux field.
6670 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6672 2006-05-15 Richard Guenther <rguenther@suse.de>
6674 PR tree-optimization/27603
6675 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6676 Do computations in original type.
6678 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6680 * see.c: Code style changes such as redundant paranthesis,
6681 redundant intialization of local variables etc.
6682 (see_main): Declared now as static.
6683 * doc/invoke.texi: Update that -fsee is not enabled by
6686 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6688 * omp-low.c (check_omp_nesting_restrictions): New function.
6689 (scan_omp_1): Call it.
6692 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6693 construct, return *VAR.
6695 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6697 PR rtl-optimization/27406
6698 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6701 2006-05-14 Roger Sayle <roger@eyesopen.com>
6703 PR rtl-optimization/27538
6704 * combine.c (expand_compound_operation): Call gen_lowpart
6705 before calling simplify_shift_const.
6707 2006-05-14 Roger Sayle <roger@eyesopen.com>
6709 PR rtl-optimization/22563
6710 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6711 a fixed width bitfield, always force the intermediates into psuedos.
6713 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6716 * mkconfig.sh: Use operator = instead of == for test.
6718 2006-05-13 Nick Clifton <nickc@redhat.com>
6720 * dwarf2out.c (dbx_reg_number): Check return value from
6721 LEAF_REG_REMAP and only use it if it is valid.
6722 (multiple_reg_loc_descriptor): Likewise.
6724 2006-05-13 Richard Guenther <rguenther@suse.de>
6726 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6729 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6731 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6732 information attached to non-INSNs such as NOTEs.
6733 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6735 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6737 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6739 * config/s390/s390.md: Adjust comment describing On constraint.
6741 2006-05-11 Jan Hubicka <jh@suse.cz>
6743 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6744 to be output at -O0.
6746 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6749 * fold-const.c (size_binop): Move sanity check for arguments to
6750 the beginning of the function.
6753 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6756 2006-05-11 Richard Guenther <rguenther@suse.de>
6759 * fold-const.c (fold_unary): Handle intermediate conversion
6760 to a pointer type like intermediate conversion to an integer
6761 type in folding of (T1)(T2)var to var.
6762 Match the code to the comment in the final conversion for
6763 (T1)(T2)var to (T1)var regarding to type precision. Rather
6764 than disallow T1 being of pointer type, assert that both T1
6765 and var are of pointer type or not. Make sure not to fall
6766 over the frontends lazyness wrt array to pointer decay though.
6768 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6770 * arm.c (arm_struct_value_rtx): Delete.
6771 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6772 (arm_init_cumulative_args): Always initialize nregs to zero.
6774 2006-05-10 Richard Guenther <rguenther@suse.de>
6776 PR tree-optimization/27532
6777 * tree-object-size.c (plus_expr_object_size): Fix typo.
6779 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6782 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6783 ashrdi_const, ashrdi3): Use a scratch register.
6785 2006-05-10 Richard Guenther <rguenther@suse.de>
6787 PR tree-optimization/27302
6788 * fold-const.c (operand_equal_p): For two comparisons,
6789 try comparison of one comparison code swapped if that yields
6792 2006-05-10 Ben Elliston <bje@au.ibm.com>
6794 * tree-pretty-print.c (pretty_print_string): No need to handle
6795 '\0' as a special character.
6797 * tree.h: Include "hashtab.h".
6798 (iterative_hash_expr): Use hashval_t in its prototype.
6799 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6801 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6804 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6805 (hppa*64*-*-hpux11*): Ditto.
6806 (hppa[12]*-*-hpux11*): Ditto.
6808 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6811 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6813 2006-05-09 Michael Matz <matz@suse.de>
6815 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6816 host_extra_gcc_objs and host_xmake_file.
6817 (<*-*-linux*>): Don't overwrite host_xmake_file.
6818 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6819 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6820 (host_detect_local_cpu): Declare.
6821 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6822 * config/i386/i386.c (override_options): Handle -mtune=native
6824 * config/i386/x-i386: New file.
6825 * config/i386/driver-i386.c: New file.
6826 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6829 2006-05-09 Dirk Mueller <dmueller@suse.de>
6830 Richard Guenther <rguenther@suse.de>
6833 * fold-const.c (fold_read_from_constant_string): Relax check
6834 for matching types to matching modes.
6836 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6838 PR rtl-optimization/27335
6839 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6842 2006-05-08 Chao-ying Fu <fu@mips.com>
6843 Richard Sandiford <richard@codesourcery.com>
6845 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6846 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6847 * config/mips/mips.md (UNSPEC_SCC): New constant.
6848 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6849 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6850 (mips_emit_compare): Use it.
6851 (mips_expand_vcondv2sf): New function.
6853 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6855 Fix PR tree-optimization/27093
6856 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6857 renaming when they become not-used_alone.
6859 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6861 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6862 relocation and relocation stubs.
6864 2006-05-08 Eric Christopher <echristo@apple.com>
6866 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6869 2006-05-08 Jan Hubicka <jh@suse.cz>
6872 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6873 unused static functions are needed.
6875 2006-05-08 Roger Sayle <roger@eyesopen.com>
6878 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6879 of a reg_equiv_constant if the result is a legitimate constant.
6881 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6884 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6885 standard 80387 constants, raise the cost to prevent
6886 compress_float_constant() to generate load from memory.
6888 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6890 * config/arm/constraints.md (c): Fix a typo.
6892 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6895 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6898 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6900 (_mm_mwait): Likewise.
6902 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6904 (sse3_monitor): Make it 32bit only.
6905 (sse3_monitor64): New. 64bit monitor.
6907 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6910 * config/i386/i386.c (classify_argument): Skip fields with invalid
6913 2006-05-07 Richard Guenther <rguenther@suse.de>
6915 PR tree-optimization/27409
6916 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6917 Do not try to find zero-sized subvars.
6919 2006-05-07 Richard Guenther <rguenther@suse.de>
6921 PR tree-optimization/27136
6922 * tree-ssa-loop-niter.c (get_val_for): Correct function
6923 comment, assert requirements.
6924 (loop_niter_by_eval): Stop processing if the iterated
6925 value did not simplify.
6927 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6929 * opts.c (flag_see): remove its setting at -O3.
6931 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6933 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6934 * arm/constraints.md: New file.
6935 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6936 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6937 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6938 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6939 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6940 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6941 * arm.md: Include constraints.md.
6942 (thumb_movsi_insn): Use satisfies_constraint_J.
6943 (movhi, movqi): Use satisfies_constraint_I.
6945 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6947 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6948 for atmeg a645 device.
6950 2006-05-06 Richard Guenther <rguenther@suse.de>
6952 PR tree-optimization/27151
6953 * tree-vect-transform.c (vectorizable_condition): Punt on
6954 values that have a different type than the condition.
6956 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6959 * c-parser.c (c_parser_cast_expression): Only insert casts into
6960 hash table if pointer.
6961 * function.c (used_types_insert_helper): Rename from
6963 (used_types_insert): Call used_types_insert_helper.
6964 * function.h (used_types_insert): Accept only one argument.
6966 2006-05-05 David Edelsohn <edesohn@gnu.org>
6968 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6969 scratch with output modifier.
6971 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6974 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6975 with output modifier.
6977 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6980 * config/mips/mips.c (mips_symbolic_address_p): Return true
6981 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6982 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6984 2006-05-04 Richard Guenther <rguenther@suse.de>
6986 PR tree-optimization/14287
6987 PR tree-optimization/14844
6988 PR tree-optimization/19792
6989 PR tree-optimization/21608
6990 PR tree-optimization/27090
6991 * tree-ssa-pre.c (try_combine_conversion): New function.
6992 (compute_avail): After constructing the value-handle
6993 expression, use try_combine_conversion to combine NOP_EXPRs
6994 with previous value-handle expressions and use the result if it
6997 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6999 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7001 2006-05-04 Jan Hubicka <jh@suse.cz>
7004 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7006 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7008 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7009 that this only matches CONST_INTs. All users changed to VOIDmode
7012 * config/bfin/bfin.c: Include "optabs.h".
7013 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7015 (enum bfin_builtins): Add a number of fractional and vector builtins.
7016 (bfin_init_builtins): Likewise.
7017 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7018 (safe_vector_operand, bfin_expand_binop_builtin,
7019 bfin_expand_unop_builtin): New functions.
7020 (bfin_expand_builtin): Handle the new builtins.
7021 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7024 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7027 * Makefile.in (OBJS-common): Add see.o.
7028 (see.o): Add dependencies.
7029 * common.opt (fsee): New flag for the see optimization was added.
7030 * opts.c (flag_see): Initialized.
7031 * passes.c (init_optimization_passes, pass_see): New pass.
7032 * rtl.h (see_main): Declaration as extern.
7033 * timevar.def (TV_SEE): New.
7034 * tree-pass.h (pass_see): Declaration as extern.
7035 * invoke.texi (-fsee): Document.
7036 * recog.c (validate_simplify_insn): New function.
7037 * recog.h (validate_simplify_insn): Declaration as extern.
7038 * df-problems.c (df_chain_dump): Check for NULL.
7040 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7041 Daniel Berlin <dberlin@dberlin.org>
7043 * cfgrtl.c (insert_insn_bb_end_new): New function.
7044 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7046 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7048 * df.h (struct web_entry): Moved from web.c.
7049 (union_defs): Declaration as extern.
7050 (unionfind_root): Likewise.
7051 (unionfind_union): Likewise.
7052 * web.c (struct web_entry): Moved to df.h.
7053 (unionfind_root): Remove static declaration.
7054 (unionfind_union): Likewise.
7055 (union_defs): Likewise and generalize to use callback function.
7056 (web_main): Update arguments for union_defs function call.
7058 2006-05-04 Richard Guenther <rguenther@suse.de>
7060 PR tree-optimization/26447
7061 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7062 produce SSA_NAME copies before the store stmt to avoid
7063 breaking exception handling.
7065 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7068 * gimplify.c (omp_is_private): If var is shared in some outer context,
7069 return false instead of true. Stop searching on parallel context
7072 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7075 * coverage.c: Use get_gcov_unsigned_t() instead of
7076 unsigned_type_node all over.
7078 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7080 PR tree-optimization/27381
7081 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7082 maintain the same immediate_use links.
7083 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7084 node rather than segfaulting.
7086 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7089 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7090 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7091 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7093 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7095 Fix PR tree-optimization/26626
7096 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7098 * tree-ssa-operands.c (access_can_touch_variable): Allow
7099 typecasting through union pointers.
7101 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7104 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7105 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7106 to find if var will be a global variable even in the nested context.
7107 (omp_copy_decl): Only check for global variable at the end, it might
7108 be overridden in outer contexts.
7109 (scan_sharing_clauses): For global variables don't create a field.
7110 (lower_rec_input_clauses): Do nothing for global shared variables.
7111 Emit a barrier at the end of ILIST if there were any decls in both
7112 firstprivate and lastprivate clauses.
7113 (lower_send_clauses): Do nothing for global variables except for
7116 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7118 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7119 of the correct signedness is returned.
7121 2006-05-02 Jeff Law <law@redhat.com>
7123 PR tree-optimization/27364
7124 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7125 multiply expressions.
7127 2006-05-02 Tom Tromey <tromey@redhat.com>
7129 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7131 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7134 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7135 -mthumb -fPIC are used.
7137 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7138 Joshua Kinard <kumba@gentoo.org>
7141 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7142 with 64-bit pointers.
7144 2006-05-02 Paul Brook <paul@codesourcery.com>
7146 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7148 (create_fix_barrier): Check that a suitable barrier location is
7150 (arm_reorg): Include ftmp->address in allowable range of addresses.
7152 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7155 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7158 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7161 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7162 around RESULT_DECL for result passed by reference.
7163 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7164 * omp-low.c (use_pointer_for_field): Don't look at
7165 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7166 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7167 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7168 time or var for passing by reference for
7169 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7170 TREE_ADDRESSABLE variables when passing by reference.
7172 * omp-low.c (dump_omp_region): Fix output formatting.
7175 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7176 (expand_omp_parallel): Likewise.
7177 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7180 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7181 on statement list containing also constructors and destructors.
7182 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7185 * except.c (duplicate_eh_regions): Fix clearing of
7186 cfun->eh->region_array entries.
7188 2006-05-01 DJ Delorie <dj@redhat.com>
7190 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7192 (gcc_cv_objdump): Likewise.
7193 * configure: Regenerated.
7195 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7198 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7199 templates for case 3 and 4.
7201 2006-05-01 DJ Delorie <dj@redhat.com>
7203 * vec.c: Include bconfig.h when appropriate.
7204 * Makefile.in (build/vec.o): Adjust dependencies.
7205 * mkconfig.sh: Make sure config.h isn't used for build machine
7208 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7210 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7212 (mark_phi_for_rewrite): New function.
7213 (insert_phi_nodes_for, mark_use_interesting): Call
7214 mark_phi_for_rewrite.
7215 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7216 (update_ssa): Initialize and free phis_to_rewrite.
7218 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7220 PR rtl-optimization/27291
7221 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7222 folded to a constant.
7224 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7226 PR tree-optimization/27283
7227 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7228 not whole # of iteration descriptions.
7229 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7230 uses abnormal ssa name.
7231 (niter_for_single_dom_exit): Ditto.
7232 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7233 return just the number of iterations.
7235 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7237 PR tree-optimization/27144
7238 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7239 (record_estimate): Only record constant upper bound.
7240 (infer_loop_bounds_from_undefined): Call
7241 compute_estimated_nb_iterations just once.
7242 (proved_non_wrapping_p): Renamed to ...
7243 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7244 (convert_step_widening, scev_probably_wraps_p): Call
7245 n_of_executions_at_most instead of proved_non_wrapping_p.
7246 (substitute_in_loop_info): Do not replace values in bounds.
7247 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7250 2006-05-01 Richard Henderson <rth@redhat.com>
7253 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7254 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7257 2006-05-01 Roger Sayle <roger@eyesopen.com>
7259 * c-typeck.c (parser_build_binary_op): Don't call the function
7260 unsigned_conversion_warning to spot operand/result type overflow.
7261 (build_binary_op): Instead, call convert_and_check instead of
7262 convert to report the problem when the operands are promoted.
7263 * c-common.c (unsigned_conversion_warning): Make static.
7264 * c-common.h (unsigned_conversion_warning): Delete prototype.
7266 2006-05-01 Richard Guenther <rguenther@suse.de>
7268 PR tree-optimization/26726
7269 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7271 (find_interesting_uses_address): ... we work around here
7272 by folding INDIRECT_REFs in the substituted base.
7274 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7276 * omp-low.c (dump_omp_region): Add newlines.
7278 2006-04-30 Roger Sayle <roger@eyesopen.com>
7280 * common.opt (Woverflow): New command line option.
7281 * c-common.c (constant_expression_warning): Check warn_overflow.
7282 (overflow_waring): Pass OPT_Woverflow to warning.
7283 (unsigned_conversion_warning): Likewise.
7284 (convert_and_check): Likewise.
7285 * doc/invoke.texi: Document new command line option.
7287 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7289 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7290 TARGET_NO_FP_IN_TOC for section anchors.
7291 (optimization_options): Enable section anchors for all
7292 non-"Objective" languages.
7294 2006-04-28 Eric Christopher <echristo@apple.com>
7296 * config/darwin-c.c (darwin_ms_struct): Move this
7297 (darwin_set_default_type_attributes): and this...
7298 * config/darwin.c: ... here.
7299 * config/darwin.h (darwin_ms_struct): Declare.
7301 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7303 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7305 2006-04-28 Roger Sayle <roger@eyesopen.com>
7308 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7309 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7310 an unsigned HOST_WIDE_INT.
7311 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7313 (really_start_incremental_init): No need to call convert because
7314 bitsize_zero_node is already of type bitsizetype.
7315 (push_init_level): Extract the value of constructor_index as an
7316 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7317 (process_init_element): Likewise.
7319 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7321 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7322 value before passing to make_relative_prefix.
7324 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7327 * builtins.c (expand_builtin_memset): Expand val in original mode.
7329 2006-04-27 Eric Christopher <echristo@apple.com>
7331 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7332 with #ifndef/#endif.
7333 * config/darwin-c.c (darwin_ms_struct): New.
7334 (darwin_pragma_ms_struct): Ditto.
7335 (darwin_set_default_type_attributes): Ditto.
7336 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7337 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7338 Register ms_struct pragma.
7339 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7340 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7341 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7342 darwin_set_default_type_attributes if TARGET_MACHO.
7344 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7346 PR tree-optimization/26854
7347 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7348 * doc/tree-ssa.texi: Update immuse iterator documentation.
7349 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7350 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7351 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7352 first_safe_imm_use, next_safe_imm_use): Remove.
7353 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7354 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7355 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7356 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7357 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7358 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7359 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7360 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7361 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7362 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7363 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7364 (perfect_nestify): Use new iterator.
7365 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7367 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7368 (next_imm_name): New field in struct immediate_use_iterator_d.
7369 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7370 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7371 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7372 * tree-cfg.c (replace_uses_by): Use new iterator.
7373 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7374 * tree-ssa-operands.c (correct_use_link): Remove.
7375 (finalize_ssa_use_ops): No longer call correct_use_link.
7377 2006-04-27 Stuart Hastings <stuart@apple.com>
7379 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7380 * config/t-darwin (crt3.o): Use it.
7381 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7382 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7383 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7384 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7385 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7388 2006-04-27 Roger Sayle <roger@eyesopen.com>
7390 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7391 size, force the intermediate into a new pseudo rather instead of
7392 performing both a bitwise AND and a bitwise IOR in memory.
7394 2006-04-27 Richard Guenther <rguenther@suse.de>
7396 PR rtl-optimization/26685
7397 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7398 this one "max-flow-memory-locations".
7400 2006-04-27 Richard Guenther <rguenther@suse.de>
7402 PR tree-optimization/25148
7403 * tree-vrp.c (compare_values): Remove code dealing with
7404 comparisons against type min/max value. Honour overflow
7405 and negative constants in code dealing with comparisons
7406 of plus and minus expressions.
7407 (value_inside_range): Use fold_binary with LE_EXPR and
7408 GE_EXPR rather than compare_values.
7410 2006-04-27 Dirk Mueller <dmueller@suse.de>
7412 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7415 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7417 * basic-block.h (safe_insert_insn_on_edge): Removed.
7418 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7420 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7421 Paolo Bonzini <bonzini@gnu.org>
7424 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7425 (simplify_and_const_int): Same.
7427 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7429 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7431 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7434 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7435 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7436 cgraph_global_info_ready.
7439 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7442 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7443 either decl or init is error_mark_node.
7446 * tree-flow.h (struct omp_region): Add sched_kind.
7447 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7448 instead of extracting omp for data.
7449 (expand_omp_for): Save extracted sched_kind.
7451 2006-04-25 Roger Sayle <roger@eyesopen.com>
7453 * expmed.c (store_bit_field): Also check whether the bitsize is
7454 valid for the machine's "insv" instruction before moving the
7455 target into a pseudo for use with the insv.
7456 * config/i386/predicates.md (const8_operand): New predicate.
7457 * config/i386/i386.md (extv, extzv, insv): Use the new
7458 const8_operand predicate where appropriate.
7460 2006-04-25 DJ Delorie <dj@redhat.com>
7462 * doc/install.texi (Specific): Clarify that this is not a list of
7463 supported hosts or targets.
7465 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7467 PR rtl-optimization/26725
7468 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7469 block's BB_DIRTY flag.
7471 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7473 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7476 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7477 to print an integer.
7479 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7481 * varasm.c (align_variable): New function.
7482 (get_block_for_decl): Apply align_variable to DECL before
7483 calculating section information.
7484 (assemble_variable): Split out alignment computation.
7486 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7488 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7491 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7493 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7494 MODE_PARTIAL_INT mode.
7495 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7496 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7498 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7499 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7501 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7503 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7505 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7506 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7507 MACFLAG_IH): Likewise.
7508 (movstricthi_1): Renamed from "*movstricthi".
7509 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7510 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7511 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7512 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7513 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7514 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7515 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7516 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7517 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7518 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7519 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7520 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7521 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7522 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7523 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7525 * doc/rtl.texi (ss_ashift): Improve wording.
7527 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7529 * dwarf2out.c (verify_marks_clear): New.
7530 (prune_unused_types): Call verify_marks_clear initially, not
7533 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7535 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7536 * doc/rtl.texi: Document them.
7537 * simplify-rtx.c (simplify_unary_operation,
7538 simplify_binary_operation_1): Don't abort when we see them.
7540 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7543 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7544 * configure.ac: Completely disregard languages that are not
7546 * configure: Regenerated.
7548 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7549 Richard Guenther <rguenther@suse.de>
7551 PR tree-optimization/27236
7552 * tree-inline.c (copy_body_r): Make sure to copy
7553 TREE_THIS_VOLATILE flag.
7555 2006-04-24 Richard Guenther <rguenther@suse.de>
7558 * tree-complex.c (update_parameter_components): Don't handle
7559 unused parameters which have no default def.
7561 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7562 Richard Guenther <rguenther@suse.de>
7564 PR tree-optimization/27218
7565 * tree-inline.c (expand_call_inline): Strip useless type
7566 conversions for the return slot address.
7568 2006-04-24 Richard Guenther <rguenther@suse.de>
7570 * cfgloop.h (struct loops): Remove unused field array. Reorder
7572 (LOOP_PREFETCH): Remove.
7574 2006-04-24 Richard Guenther <rguenther@suse.de>
7576 PR tree-optimization/22525
7577 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7578 variable, adjust types of generated expressions.
7580 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7582 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7583 (tree-vect-patterns.o): Likewise.
7585 (cselib.o): Likewise.
7586 (loop-doloop.o): Likewise.
7587 (regclass.o): Likewise.
7588 (reload1.o): Likewise.
7589 (explow.o): Replace target.h with $(TARGET_H).
7590 (ipa-prop.o): Likewise.
7591 (ipa-cp.o): Likewise.
7592 (ipa-inline.o): Likewise.
7593 (reorg.o): Likewise.
7594 (reg-stack.o): Likewise.
7596 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7598 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7600 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7602 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7604 * configure.ac: Completely disregard languages that are not
7606 * configure: Regenerated.
7609 * c-common.h (c_build_bitfield_integer_type): Declare.
7610 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7611 * c-common.c (c_build_bitfield_integer_type): ... here.
7613 2006-04-23 Roger Sayle <roger@eyesopen.com>
7616 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7617 a SImode SUBREG of a floating point register after no_new_pseudos.
7619 2006-04-23 Roger Sayle <roger@eyesopen.com>
7621 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7622 identify potentially eliminable registers to additionally catch
7623 VIRTUAL_INCOMING_ARGS_REGNUM.
7624 (addsi3): Update the conditions on when to use addsi_small_int.
7626 2006-04-23 Roger Sayle <roger@eyesopen.com>
7629 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7630 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7631 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7633 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7635 * fold-const.c (range_predecessor): Use operand_equal_p
7636 as the predicate for equality.
7637 (range_successor): Likewise.
7639 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7642 * config/soft-fp/op-common.h: Fix a typo.
7644 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7647 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7648 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7650 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7652 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7654 * doc/tm.texi: Fix a typo.
7656 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7658 * dwarf2out.c (struct die_struct): Document that die_sib makes
7659 a circular linked list.
7660 (FOR_EACH_CHILD): New.
7661 (reverse_die_lists): Delete.
7662 (reverse_all_dies): Delete.
7663 (add_dwarf_attr): Correct documentation.
7664 (remove_child_with_prev): New.
7665 (remove_child_TAG): Update for change to die_struct, use
7666 remove_child_with_prev.
7667 (add_child_die): Update for change to die_struct.
7668 (splice_child_die): Use remove_child_with_prev and add_child_die.
7669 (print_die): Use FOR_EACH_CHILD.
7670 (die_checksum): Likewise.
7671 (assign_symbol_names): Likewise.
7672 (output_location_lists): Likewise.
7673 (build_abbrev_table): Likewise.
7674 (calc_die_sizes): Likewise.
7675 (mark_dies): Likewise.
7676 (unmark_dies): Likewise.
7677 (unmark_all_dies): Likewise.
7678 (output_die): Likewise.
7679 (prune_unused_types_mark): Likewise.
7680 (prune_unused_types_walk): Likewise.
7681 (same_die_p): Update for change to die_struct.
7682 (break_out_includes): Likewise.
7683 (prune_unused_types_prune): Likewise.
7684 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7685 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7687 (dwarf2out_finish): Don't call reverse_all_dies.
7689 2006-04-21 Eric Christopher <echristo@apple.com>
7691 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7692 in comments and function names.
7694 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7697 * c-typeck.c (digest_init): Robustify.
7699 * c-typeck.c (pop_init_level): Simplify.
7701 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7703 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7705 2006-04-21 Paul Brook <paul@codesourcery.com>
7707 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7708 hardware floating point.
7710 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7712 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7715 2006-04-21 Nick Clifton <nickc@redhat.com>
7717 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7720 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7723 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7724 C++ lang type in traceback table for Objective-C++.
7726 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7728 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7730 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7732 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7735 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7736 were errors. Remove check for erroneous objects.
7738 2006-04-20 Jeff Law <law@redhat.com>
7740 PR tree-optimization/26854
7741 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7742 checking for zero or one use.
7743 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7744 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7745 * tree-ssa-reassoc.c (negate_value): Similarly.
7746 (reassociate_bb): Similarly.
7748 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7750 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7751 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7752 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7754 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7756 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7757 fp regs if the last fp arg doesn't fit in regs.
7759 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7762 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7763 that the last insn has the REG_INC note.
7765 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7766 Nathan Sidwell <nathan@codesourcery.com>
7769 * stor-layout.c (update_alignment_for_field): Do not align
7771 (place_union_field): Place union field at the start of the union.
7772 (place_field): Move ERROR_MARK check later, and use the current
7773 allocation position to maintain monotonicity.
7775 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7777 * dominance.c: Include timevar.h.
7778 (calculate_dominance_info): Use TV_DOMINANCE.
7779 * timevar.def (TV_DOMINANCE): New timevar.
7780 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7782 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7784 PR rtl-optimization/14261
7785 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7786 move would be an INSV insn.
7787 (noce_process_if_block): Don't optimize if the destination is a
7788 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7790 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7792 * config/s390/s390.md: Add comments with the instructions emitted
7793 by an insn pattern if macros are used.
7795 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7797 PR rtl-optimization/26026
7798 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7799 is a known power of two shifted left a variable amount.
7801 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7803 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7804 to hash table twice when the debug_str section has SECTION_MERGE.
7806 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7808 * config/soft-fp: New directory. From glibc.
7809 * config/soft-fp/t-softfp: New.
7810 * config/soft-fp/README: New.
7811 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7812 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7813 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7814 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7815 * config.gcc: Use rs6000/t-fprules-fpbit or
7816 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7818 * config/rs6000/sfp-machine.h: New. Based on glibc.
7819 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7821 * config/rs6000/t-fprules: Remove fp-bit rules.
7822 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7823 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7824 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7825 (softfp_wrap_start, softfp_wrap_end): New.
7827 2006-04-18 DJ Delorie <dj@redhat.com>
7829 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7831 2006-04-18 Devang Patel <dpatel@apple.com>
7833 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7835 2006-04-18 Nick Clifton <nickc@redhat.com>
7837 * config/sh/t-symbian: Add rule to build sh-c.o
7838 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7839 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7840 (sh_symbian_encode_section_info): Likewise.
7842 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7844 * builtins.c (expand_builtin_strcmp): Cover label definition of
7845 do_libcall with HAVE_cmpstrnsi.
7847 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7849 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7851 * function.h (temp_slot_p): New.
7852 (function): Change the type of x_used_temp_slots to
7853 VEC(temp_slot_p,gc) *.
7855 2006-04-18 Nick Clifton <nickc@redhat.com>
7857 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7858 flag_strength_reduce.
7860 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7862 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7866 Partial revert of revision 112637
7867 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7868 Dale Johannesen <dalej@apple.com>
7871 * regclass.c (struct reg_pref): Update documentation.
7872 (regclass): Set prefclass to NO_REGS if memory is the best option.
7873 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7875 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7877 PR tree-optimization/26821
7878 * tree-ssa-math-opts.c (get_constant_one): New.
7879 (insert_reciprocals): Use it.
7881 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7883 * dwarf2out.c (free_AT): Delete.
7884 (remove_AT): Update string ref counts.
7885 (remove_child_TAG): Don't call free_die.
7887 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7888 or DW_TAG_GNU_EINCL.
7889 (prune_unused_types_walk_attribs): Reset string refcounts.
7890 (prune_unused_types_update_strings): New.
7891 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7892 call free_die. Do call prune_unused_types_update_strings.
7893 (prune_unused_types): Empty debug_str_hash.
7895 2006-04-17 Roger Sayle <roger@eyesopen.com>
7897 * expr.c (expand_assignment): Optimize away no-op moves where the
7898 source and destination are equal and have no side-effects.
7900 2006-04-17 Richard Guenther <rguenther@suse.de>
7903 * reload.c (push_reload): Guard calls to get_secondary_mem
7906 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7908 * alias.c (reg_base_value, old_reg_base_value): Change the
7909 type to VEC(rtx,gc) *.
7910 (REG_BASE_VALUE, find_base_value, record_set,
7911 init_alias_analysis): Use VEC instead of VARRAY.
7913 * alias.c (alias_sets): Change the type to
7914 VEC(alias_set_entry,gc) *.
7915 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7916 VEC instead of VARRAY.
7917 (last_alias_set): Remove.
7919 * cgraph.h (cgraph_edge_p): New.
7920 Update the prototype of cgraph_function_versioning.
7921 * cgraphunit.c (cgraph_copy_node_for_versioning,
7922 cgraph_function_versioning): Use VEC instead of VARRAY.
7923 * ipa-cp.c (ipcp_insert_stage): Likewise.
7925 2006-04-16 Roger Sayle <roger@eyesopen.com>
7928 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7929 "A op B" or "A op C", we may need to convert A to the type of B and C.
7931 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7933 * target.h (struct gcc_target): Add mode_rep_extended.
7934 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7935 (init_num_sign_bit_copies_in_rep): Initialize it using
7937 (truncate_to_mode): Use it.
7938 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7939 * targhooks.h (default_mode_rep_extended): Declare it.
7940 * targhooks.c (default_mode_rep_extended): Define it.
7941 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7942 default_mode_rep_extended.
7943 (TARGET_INITIALIZER): Include it.
7944 * doc/tm.texi (Misc): Document it.
7945 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7946 (mips_truncated_to_mode): New function.
7948 2006-04-16 Roger Sayle <roger@eyesopen.com>
7951 * expr.c (compress_float_constant): Copy the narrow constant into
7952 a new pseudo before extending it to its final width.
7954 2006-04-16 Roger Sayle <roger@eyesopen.com>
7955 Andrew Pinski <pinskia@gcc.gnu.org>
7956 Dale Johannesen <dalej@apple.com>
7959 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7960 special case code to implement V8HImode and V16QImode with SSE2.
7962 2006-04-15 Roger Sayle <roger@eyesopen.com>
7964 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7965 trees are constructed with a suitable tree type.
7967 2006-04-15 Roger Sayle <roger@eyesopen.com>
7969 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7970 (integer_onep): Likewise.
7971 (integer_all_onesp): Likewise.
7972 (integer_pow2p): Likewise.
7973 (integer_nonzerop): Likewise.
7974 (real_zerop): Likewise.
7975 (real_onep): Likewise.
7976 (real_twop): Likewise.
7977 (real_minus_onep): Likewise.
7978 (int_size_in_bytes): Likewise.
7979 (host_integerp): Likewise.
7981 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7983 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7984 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7985 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7987 * tree-ssa-structalias.h (alias_info): Remove num_references.
7989 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7991 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7992 (output_bvb patterns): Likewise.
7993 * pa.c (output_bb): Use 'bb' insn for long branch case.
7994 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7995 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7996 1. Correct length operand for alternatives 1 and 2.
7997 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7998 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8000 2006-04-14 Roger Sayle <roger@eyesopen.com>
8002 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8003 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8004 were accidentally reverted by r112959.
8006 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8009 * except.h (eh_region_outermost): New prototype.
8010 * except.c (eh_region_outermost): New function.
8011 * tree-cfg.c (find_outermost_region_in_block): Use it.
8013 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8015 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8017 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8018 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8019 (init_reload, reload): Use VEC instead of VARRAY.
8020 * reload.h: Update the prototype for
8021 reg_equiv_memory_loc_varray.
8023 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8024 Eric Botcazou <ebotcazou@libertysurf.fr>
8026 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8029 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8032 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8033 to expand fallback builtin function call.
8035 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8038 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8039 and emit libcall here in case the builtin fails.
8040 (expand_builtin_strcmp): Always emit the libcall here on failure.
8042 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8044 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8045 * flow.c (reg_n_info): Change the type to
8046 VEC(reg_info_p,heap) *.
8047 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8049 * regs.h (reg_info_p): New.
8050 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8051 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8052 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8055 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8057 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8059 * params.h (MAX_SCHED_READY_INSNS): New macro.
8060 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8061 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8062 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8063 the ready list for 1 cycle during the first scheduling pass.
8064 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8066 2006-04-13 Richard Henderson <rth@redhat.com>
8069 * gimple-low.c (lower_omp_directive): Remove dead code.
8070 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8071 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8072 * omp-low.c (struct omp_region): Move to tree-flow.h.
8073 (root_omp_region): Export.
8074 (omp_regions, lookup_omp_region): Remove.
8075 (determine_parallel_type): Update for struct omp_region changes.
8076 (dump_omp_region): Dump regions with block numbers.
8077 (new_omp_region): Take type and block instead of stmt; malloc
8079 (free_omp_region_1, free_omp_regions): New.
8080 (expand_parallel_call): Take entry_stmt as argument; update for
8081 changes to omp_region.
8082 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8083 (remove_exit_barriers): New.
8084 (expand_omp_parallel): Update for struct omp_region changes.
8085 (expand_omp_synch): Likewise.
8086 (expand_omp): Likewise.
8087 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8088 (expand_omp_for_static_chunk): Likewise.
8089 (expand_omp_for): Likewise.
8090 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8091 (expand_omp_sections): Similarly, with GOMP_sections_end.
8092 (expand_omp_single): New.
8093 (build_omp_regions_1): Update for OMP_CONTINUE.
8094 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8095 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8096 OMP_SECTIONS_SECTIONS.
8097 (lower_omp_single_simple): Don't emit barrier here.
8098 (lower_omp_single_copy): Likewise.
8099 (lower_omp_single): Fix bindings, and lower to straightline now.
8100 (lower_omp_master, lower_omp_ordered): Likewise.
8101 (lower_omp_critical): Likewise.
8102 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8103 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8104 omp edges, free it afterward.
8105 (make_omp_sections_edges): Remove.
8106 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8107 (move_stmt_r): Handle OMP_CONTINUE.
8108 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8109 statement pointers to basic blocks. Add type member.
8110 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8111 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8112 * tree-inline.c (estimate_num_insns_1): Likewise.
8113 * tree-pretty-print.c (dump_generic_node): Likewise.
8114 * tree-ssa-operands.c (get_expr_operands): Likewise.
8115 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8116 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8117 (OMP_CONTINUE): New.
8118 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8119 (OMP_SECTIONS_SECTIONS): Remove.
8120 (OMP_SECTION_LAST): New.
8121 (OMP_RETURN_NOWAIT): New.
8123 2006-04-13 Roger Sayle <roger@eyesopen.com>
8125 * fold-const.c (native_encode_vector, native_interpret_real):
8126 Correct obvious mistakes in the previous check-in.
8128 2006-04-13 Roger Sayle <roger@eyesopen.com>
8130 * fold-const.c (native_encode_expr): New function to encode
8131 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8132 or VECTOR_CST into a specified buffer.
8133 (native_encode_int): New function.
8134 (native_encode_real): New function.
8135 (native_encode_complex): New function.
8136 (native_encode_vector): New function.
8137 (native_interpret_expr): Inverse of native_encode_expr to convert
8138 a target representation into an INTEGER_CST, REAL_CST etc...
8139 (native_interpret_int): New function.
8140 (native_interpret_real): New function.
8141 (native_interpret_complex): New function.
8142 (native_interpret_vector): New function.
8143 (fold_view_convert_expr): New function to constant fold/evaluate
8144 a VIEW_CONVERT_EXPR of a suitable constant expression.
8145 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8146 Change call of build1 to fold_build1 when constructing a
8149 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8150 Ulrich Weigand <uweigand@de.ibm.com>
8153 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8156 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8159 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8160 optimize to lo_sum for DFmode if !TARGET_FPRS.
8162 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8164 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8165 delete_alias_info, compute_flow_sensitive_aliasing,
8166 group_aliases): Use VEC instead of VARRAY.
8167 * tree-ssa-structalias.c (update_alias_info): Likewise.
8168 * tree-ssa-structalias.h (alias_info): Change the type of
8169 processed_ptrs to VEC(tree,heap) *.
8171 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8174 * config/sh/lib1funcs.h: New file, broken out of:
8175 * config/sh/lib1funcs.asm.
8176 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8178 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8179 * config/sh/lib1funcs-Os-4-200.asm: New file.
8180 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8181 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8182 (EXTRA_MULTILIB_PARTS): Include it.
8183 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8184 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8185 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8186 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8189 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8191 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8192 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8193 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8195 * tree-ssa-live.h: Include vecprim.h.
8196 (tree_partition_associator_d): Change the type of
8197 first_partition to VEC(int,heap) *.
8198 (tpa_first_partition): Use VEC instead of VARRAY.
8200 * Makefile.in (GTFILES): Move functions.h after tree.h.
8201 * function.c (reset_block_changes, record_block_change,
8202 check_block_change, free_block_changes): Use VEC instead of
8204 * function.h (function): Change the type of
8205 ib_boundaries_block to VEC(tree,gc) *.
8206 * tree-inline.c (copy_cfg_body): Initialize
8207 ib_boundaries_block to NULL instead of (varray_type) 0.
8209 2006-04-12 Roger Sayle <roger@eyesopen.com>
8211 * expr.c (emit_group_store): Correct operand order in call to
8212 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8213 a SUBREG_BYTE of zero.
8215 2006-04-12 Richard Guenther <rguenther@suse.de>
8217 * profile.c (compute_branch_probabilities): Remove code
8218 encapsulated in !ir_type (), which are remanents of the
8219 removed RTL profiling code.
8220 * rtl-profile.c: Remove.
8222 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8224 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8225 magic NULL_RTX comment.
8226 (function_arg): Store entire fp arg to mem if any part should go
8228 (rs6000_arg_partial_bytes): Adjust for above change.
8230 2006-04-11 Roger Sayle <roger@eyesopen.com>
8232 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8233 if it hasn't been initialized by dwarf2out_init.
8235 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8237 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8238 symbolic constants in branch patterns.
8240 2006-04-11 Roger Sayle <roger@eyesopen.com>
8242 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8244 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8246 PR rtl-optimization/27073
8247 * gcse.c (try_replace_reg): Revert last change. Continue to search
8248 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8251 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8253 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8254 aggregate types other than record and union types.
8255 (function_arg): Likewise.
8256 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8258 (function_value): In 64-bit mode, return objects that require it
8261 2006-04-11 Roger Sayle <roger@eyesopen.com>
8263 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8265 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8267 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8269 2006-04-03 Jeff Law <law@redhat.com>
8272 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8273 alias information too.
8275 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8277 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8279 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8282 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8283 (premark_used_types_helper): New.
8284 (premark_used_types): New.
8285 (gen_subprogram_die): Call premark_used_types.
8286 (prune_unused_types_walk): Do not prune perennial dies.
8287 * function.c (used_types_insert): New.
8288 * function.h (struct function): Add used_types_hash field.
8289 (used_types_insert): Add prototype.
8290 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8291 * c-parser.c (c_parser_cast_expression): Save casted types in used
8294 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8297 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8298 rs6000_explicit_options.float_gprs.
8300 2006-04-10 Roger Sayle <roger@eyesopen.com>
8302 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8303 from ix86_expand_vector_init_low_nonzero. Take an additional
8304 one_var argument indicating which element is non-zero. Support
8305 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8306 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8307 with one_var instead of ix86_expand_vector_init_low_nonzero.
8309 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8311 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8312 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8313 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8314 build/genextract.o): Depend on vecprim.h.
8315 * cfglayout.c, df-problems.c, function.c, genextract.c,
8316 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8317 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8321 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8323 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8324 Declare VECs of this type.
8325 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8326 (remove_children): Delete.
8327 (add_dwarf_attr): Use VEC routines.
8328 (add_AT_flag): Update for changes to add_dwarf_attr.
8329 (add_AT_int): Likewise.
8330 (add_AT_unsigned): Likewise.
8331 (add_AT_long_long): Likewise.
8332 (add_AT_vec): Likewise.
8333 (add_AT_string): Likewise.
8334 (add_AT_die_ref): Likewise.
8335 (add_AT_fde_ref): Likewise.
8336 (add_AT_loc): Likewise.
8337 (add_AT_loc_list): Likewise.
8338 (add_AT_addr): Likewise.
8339 (add_AT_lbl_id): Likewise.
8340 (add_AT_lineptr): Likewise.
8341 (add_AT_macptr): Likewise.
8342 (add_AT_offset): Likewise.
8343 (add_AT_range_list): Likewise.
8344 (get_AT): Use VEC_iterate.
8345 (remove_AT): Use VEC_ordered_remove.
8346 (free_die): Fold remove_children into here; have it use VEC_iterate.
8347 (print_die): Use VEC_iterate on attrs.
8348 (reverse_die_lists): Don't reverse attr lists.
8349 (die_checksum): Use VEC_iterate on attrs.
8350 (same_die_p): Likewise.
8351 (output_location_lists): Likewise.
8352 (build_abbrev_table): Likewise.
8353 (size_of_die): Likewise.
8354 (unmark_all_dies): Likewise.
8355 (output_abbrev_section): Likewise.
8356 (output_die): Likewise.
8357 (prune_unused_types_walk_attribs): Likewise.
8359 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8361 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8363 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8366 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8368 2006-04-09 Roger Sayle <roger@eyesopen.com>
8370 * expr.c (store_constructor): Don't bother clearing target if
8371 we're about to assign a vector to it using vec_init_optab.
8373 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8375 * tree-ssa-alias.c (lhs_may_store_to): New function.
8376 (recalculate_used_alone): Handle LHS of calls.
8378 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8382 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8383 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8384 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8385 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8386 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8387 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8388 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8389 stubs. Add ".align 8" directives before all ".dword" directives.
8390 (GTHREAD_USE_WEAK): Revise comment.
8391 (TARGET_ATTRIBUTE_WEAK): Define.
8392 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8393 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8394 * stublib.c: New file.
8399 * pa.md (cbranch patterns): Revise arguments used in calls to
8400 output_cbranch, output_bb and output_bvd. Add long branch length
8402 (fbranch patterns): Handle long branches.
8403 (jump): Revise length check. Revise arguments for output_lbranch call.
8404 Add long branch length attributes.
8405 (decrement_and_branch_until_zero): Add long branch length attributes.
8406 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8407 Likewise. Revise arguments for output_parallel_addb and
8408 output_parallel_movb calls.
8409 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8410 output_parallel_movb and output_parallel_addb): Update prototypes.
8411 * pa.c (output_cbranch): Revise arguments. Correct handling of
8412 nullification in long branches.
8413 (output_lbranch): Add new argument to control extraction of delay
8415 (output_bb): Handle long branches.
8416 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8417 output_parallel_addb): Likewise.
8419 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8421 PR rtl-optimization/27073
8422 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8425 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8427 * tree.h (tree_memory_tag): Add old_used_alone.
8428 (SMT_OLD_USED_ALONE): New macro.
8429 * tree-ssa-alias.c (recalculate_used_alone): Stop
8430 marking things for renaming unnecessarily.
8432 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8434 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8435 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8436 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8437 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8438 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8439 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8440 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8441 spelling convensions.
8442 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8443 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8444 typos. Follow spelling conventions.
8446 2006-04-07 DJ Delorie <dj@redhat.com>
8448 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8449 passed on the stack.
8450 (m32c_init_cumulative_args): When a function returns a structure,
8451 always pass the pointer to that return area on the stack.
8452 (m32c_function_arg_advance): Don't increment the parameter number
8453 if we're processing the returned structure pointer.
8454 (pushm_info): Reverse order of registers.
8456 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8458 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8459 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8460 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8461 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8463 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8464 chrec_fold_multiply): Same.
8465 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8466 force_expr_to_var_cost): Same.
8467 * tree-mudflap.c (mf_xform_derefs_1): Same.
8468 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8470 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8472 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8473 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8476 2006-04-07 Jan Hubicka <jh@suse.cz>
8478 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8480 2006-04-07 Richard Guenther <rguenther@suse.de>
8482 PR tree-optimization/26135
8483 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8484 loads for store copy-prop.
8485 (copy_prop_visit_stmt): Likewise.
8487 2006-04-05 Robert Millan <robertmh@gnu.org>
8489 * config/i386/linux.h: Add a comment to mark macros that are
8490 being overriden in config/k*bsd-gnu.h.
8491 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8493 * config/knetbsd-gnu.h: Ditto.
8495 2006-04-06 Jan Hubicka <jh@suse.cz>
8499 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8502 2006-04-06 Mike Stump <mrs@apple.com>
8504 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8505 for HAVE_nonlocal_goto to be consistent.
8506 (expand_builtin_nonlocal_goto): Likewise.
8507 (expand_builtin_strcmp): Use #ifdef instead of #if
8508 for HAVE_cmpstrnsi to be consistent.
8510 2006-04-05 DJ Delorie <dj@redhat.com>
8512 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8515 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8517 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8518 got-relative addressing for anything but SImode.
8520 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8521 even if the calling function doesn't modify them.
8523 2006-04-05 Richard Guenther <rguenther@suse.de>
8525 PR tree-optimization/26919
8526 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8527 to cgraph_estimate_size_after_inlining.
8529 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8531 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8533 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8535 PR tree-optimization/26996
8536 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8537 VECTOR_TYPE variables.
8539 2006-04-05 Richard Guenther <rguenther@suse.de>
8541 PR tree-optimization/26763
8542 * fold-const.c (fold_comparison): Move folding of
8543 PTR + CST CMP PTR + CST ...
8544 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8546 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8548 * doc/install.texi (Prerequisites): Refine some wording on
8549 bootstrapping and ksh.
8550 Move the version numbers of DejaGnu here from the testing section
8551 and fix casing of names.
8552 Fix markup and clarify wording for autogen requirements.
8553 Refer to GCJ instead of just java.
8554 Refer to SVN instead of CVS.
8555 Describe diffutils as useful instead of necessary.
8556 (Downloading the source): Refer to SVN instead of CVS.
8557 Adjust a link to our web site accordingly.
8558 (Configuration): Fix casing of Bison.
8559 (Building): Refer to SVN instead of CVS.
8560 Fix a sentence on the use of Bison and remove duplicate (and
8561 incorrect) version number of Bison requirement.
8562 Remove one redundant list of packages needed for building.
8563 (Specific): Avoid reference to CVS.
8565 2006-04-04 Eric Christopher <echristo@apple.com>
8567 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8568 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8569 (rs6000_handle_struct_attribute): New.
8570 (rs6000_ms_bitfield_layout_p): Ditto.
8572 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8574 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8575 NULL for dso parameter to atexit_common.
8577 2006-04-04 Eric Christopher <echristo@apple.com>
8579 * config/i386/i386.c (machopic_output_stub): Output \t
8580 between instructions and operands.
8582 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8584 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8585 satisfies_constraint_[IL] to explicit tests on value.
8587 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8589 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8590 set_nb_iterations_in_loop): Use build_int_cst instead of
8592 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8593 build_int_cst instead of convert.
8595 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8597 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8598 new value 2 for incoming.
8599 * function.c (expand_function_start): Call struct_value_rtx
8601 * config/sparc/sparc.md: Comment updated_return.
8602 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8603 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8604 struct return if sparc_std_struct_return and incoming is 2.
8605 (print_operand): Do not adjust return if
8606 sparc_std_struct_return.
8608 2006-04-04 Roger Sayle <roger@eyesopen.com>
8610 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8611 convert in the middle-end.
8612 * expr.c (store_expr, store_constructor, get_inner_reference,
8613 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8615 * tree.c (build_range_type): Likewise.
8617 2006-04-04 Tom Tromey <tromey@redhat.com>
8619 * doc/install.texi (Prerequisites): Mention jar.
8621 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8623 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8626 2006-04-04 Matthias Klose <doko@debian.org>
8628 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8632 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8635 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8637 * doc/extend.texi (Function Attributes): Rewrite visibility
8638 attribute documentation.
8639 * doc/invoke.texi (C++ Dialect Options): Rewrite
8640 -fvisibility-inlines-hidden documentation to describe something
8641 entirely different, although in practise compatible.
8642 (Code Gen Options): Warn about system headers in -fvisibility=
8645 * doc/extend.texi (Other Builtins): Document that
8646 __builtin_nan is a compile-time constant only when its argument
8649 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8651 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8652 trying to remove TRUNCATE check if all bits outside the new mode
8653 are identical to the sign bit.
8655 2006-04-03 Jeff Law <law@redhat.com>
8657 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8658 and operand scanning in some common cases.
8660 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8661 Dale Johannesen <dalej@apple.com>
8664 * regclass.c (struct reg_pref): Update documentation.
8665 (regclass): Set prefclass to NO_REGS if memory is the best option.
8666 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8667 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8668 into account. For non-registers, equate an empty preferred
8669 reload class to a `!' in the constraint; move the if clause to
8670 do so after those that reject the insn.
8671 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8673 (find_dummy_reload): Likewise.
8674 * doc/tm.texi (Register Classes): Document what it means
8675 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8676 * config/i386/i386.c (ix86_preferred_reload_class): Force
8677 using SSE registers (and return NO_REGS for floating-point
8678 constants) if math is done with SSE.
8679 (ix86_preferred_output_reload_class): New.
8680 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8681 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8682 * config/i386/i386.md: Remove # register preferences.
8684 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8687 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8688 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8689 the type of nb_iter.
8690 (instantiate_parameters_1): Convert the operands before calling
8691 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8692 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8694 2006-04-02 Roger Sayle <roger@eyesopen.com>
8696 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8697 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8699 * dojump.c (do_jump): Likewise.
8700 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8701 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8702 gimplify_boolean_expr): Likewise.
8703 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8704 * varasm.c (array_size_for_constructor): Likewise.
8705 * tree-object-size.c (compute_object_offset): Likewise.
8707 2006-04-02 Roger Sayle <roger@eyesopen.com>
8710 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8711 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8713 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8715 PR tree-optimization/26939
8716 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8718 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8720 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8721 at_stmt. Convert the type of operands before calling
8722 build_polynomial_chrec.
8723 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8725 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8726 (instantiate_parameters_1): Convert the type of operands before calling
8727 build_polynomial_chrec.
8728 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8729 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8730 reset_evolution_in_loop): Insert asserts to check the types of the
8732 (chrec_type): Moved...
8733 (eq_evolutions_p): Use operand_equal_p.
8734 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8735 the types of the operands.
8736 (chrec_type): ...here.
8737 * tree-data-ref.c (create_data_ref): Convert the operands before
8738 calling chrec_replace_initial_condition.
8739 (same_access_functions, analyze_subscript_affine_affine,
8740 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8741 (compute_subscript_distance, analyze_ziv_subscript,
8742 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8743 analyze_miv_subscript): Convert the operands before calling
8744 chrec_fold_minus or chrec_fold_plus.
8746 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8748 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8749 the dependence_relations vector.
8750 (compute_data_dependences_for_loop): Adjust call to
8751 compute_all_dependences.
8753 2006-04-01 Roger Sayle <roger@eyesopen.com>
8754 Richard Henderson <rth@redhat.com>
8756 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8757 gimple_boolify on the condition before calling gimplify_expr.
8759 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8761 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8762 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8763 the frame size. Update to use the new macros.
8764 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8765 * config/xtensa/ieee754-df.S: Likewise.
8767 2006-03-31 Richard Henderson <rth@redhat.com>
8769 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8770 (make_edges): ... here. Control fallthru creation with a local
8771 variable. Do not play with fake edges.
8772 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8773 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8776 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8778 * dwarf2.h (DW64_CIE_ID): Define.
8779 * dwarf2out.c (DWARF_CIE_ID): Define.
8780 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8781 length header. Use DWARF_CIE_ID.
8782 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8783 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8785 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8787 * config/sh/linux-atomic.asm: New file.
8788 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8790 2006-03-31 DJ Delorie <dj@redhat.com>
8792 * config/m32c/cond.md: Set condition flags properly throughout.
8793 * config/m32c/minmax.md: Likewise.
8794 * config/m32c/prologue.md: Likewise.
8795 * config/m32c/bitops.md: Likewise.
8796 * config/m32c/muldiv.md: Likewise.
8797 * config/m32c/mov.md: Likewise.
8798 * config/m32c/addsub.md: Likewise.
8799 * config/m32c/m32c.md: Likewise.
8800 * config/m32c/jump.md: Likewise.
8801 * config/m32c/shift.md: Likewise.
8803 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8804 conditionally output the pattern for this.
8805 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8806 (m32c_compare_redundant): New.
8807 (m32c_output_compare): New.
8808 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8810 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8811 dest, not src. Allow other 4-byte modes.
8813 2006-03-30 Denis Chertykov <denisc@overta.ru>
8815 * doc/md.texi: Refer to avr/constraints.md instead of
8818 2006-03-30 Roger Sayle <roger@eyesopen.com>
8820 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8821 signed vs. unsigned comparison failures on some hosts.
8823 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8826 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8827 change to FLOAT_REGS.
8829 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8830 (rs6000_override_options): Use it.
8831 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8832 only for -mabi=spe/no-spe and -mabi=altivec.
8834 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8836 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8839 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8841 * Makefile.in: Rename docdir to gcc_docdir.
8843 2006-03-30 Roger Sayle <roger@eyesopen.com>
8846 * expr.c (emit_group_store): Optimize group stores into a pseudo
8847 register by using a paradoxical subreg to initialize the destination
8848 if the first or last member of the group specifies a "low part".
8850 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8853 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8854 * target.h (struct gcc_target.speculate_insn): Change type of the
8855 second parameter to 'int'.
8856 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8857 the second operand of the DEPS_LIST.
8858 (copy_DEPS_LIST_list): Update reference to the second operand of the
8860 * rtl.h (alloc_DEPS_LIST): Update signature.
8861 * sched-int.h (ds_t): Change typedef to 'int'.
8862 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8864 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8866 * haifa-sched.c (try_ready): Change condition to restore
8867 non-speculative pattern of the instruction.
8868 (process_insn_depend_be_in_spec): Code to keep probability of the
8869 speculative dependence non-decreasing.
8871 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8873 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8874 (single_move_for_movmem): ... this. Also change all uses.
8875 (bfin_expand_strmov): Renamed to...
8876 (bfin_expand_movmem): ... this. Also change all uses.
8877 * config/bfin/bfin.md (movstrsi): Renamed to...
8878 (movstrsi): ...this.
8880 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8882 PR tree-optimization/26830
8884 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8885 (copy_prop_visit_stmt): Remove write-only variable ann.
8886 (init_copy_prop): Check variable loop depth here. Do not simulate
8887 memory-tag and virtual operand PHIs except for store copy prop.
8889 2006-03-30 Richard Guenther <rguenther@suse.de>
8891 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8892 variants with double arguments.
8894 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8896 * genpreds.c (write_tm_constrs_h): Delete variable p.
8897 * genconditions.c (write_header): Add tm-constrs.h to included
8899 * genpeep.c (main): Add toplev.h to included headers.
8900 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8901 (build/genpeep.o): Add toplev.h dependency.
8902 * config/rs6000/constraints.md: Add "W" constraint.
8904 2006-03-29 Roger Sayle <roger@eyesopen.com>
8906 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8907 sizes by correctly testing whether the size fits a host integer.
8908 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8909 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8910 SImode range for the default sizetype and bitsizetype.
8912 2006-03-29 Roger Sayle <roger@eyesopen.com>
8914 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8915 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8916 quickly if the argument is already of the correct type.
8917 Call fold_build1 instead of build1. Tidy up blank lines.
8919 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8921 * genemit.c (main): Add tm-constrs.h to included headers.
8922 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8923 * genpeep.c (main): Add tm-constrs.h to included headers.
8924 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8925 (write_tm_constrs_h): this and write complete file.
8926 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8927 (write_insn_preds_c): Add tm-constrs.h to included headers.
8928 (gen_constrs): New variable.
8929 (parse_option): Parse "-c".
8930 (main): Invoke write_tm_constrs_h.
8931 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8932 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8933 (object_out_file): Add tm-constrs.h dependency.
8934 (insn-emit.o): Same.
8935 (insn-output.o): Same.
8936 (insn-peep.o): Same.
8937 (insn-preds.o): Same.
8938 (insn-recog.o): Same.
8939 (tm-constsr.h): New target.
8940 (s-constrs-h): New target.
8942 * config/rs6000/constraints.md: New file.
8943 * config/rs6000/rs6000.c: Include tm-constrs.h.
8944 (num_insn_constant_wide): Convert to satisfies_constraint.
8945 (rs6000_rtx_costs): Convert to satisfies_constraint.
8946 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8947 (CONST_OK_FOR_LETTER_P): Delete.
8948 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8949 (EXTRA_CONSTRAINT): Delete.
8950 (EXTRA_MEMORY_CONSTRAINT): Delete.
8951 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8952 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8953 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8954 satisfies_constraint.
8956 * config/i386/i386.c: Include tm-constrs.h.
8958 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8960 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8961 * tree-data-ref.c (find_data_references_in_loop,
8962 compute_data_dependences_for_loop): Use pointers to VEC.
8963 (analyze_all_data_dependences): Adjust calls.
8964 * tree-data-ref.h (find_data_references_in_loop,
8965 compute_data_dependences_for_loop): Adjust declarations.
8966 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8967 compute_data_dependences_for_loop.
8969 2006-03-29 Paul Brook <paul@codesourcery.com>
8971 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8974 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8976 PR tree-optimization/26859
8977 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8979 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8980 for the step after fold_convert.
8982 2006-03-29 Paul Brook <paul@codesourcery.com>
8984 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8985 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8987 2006-03-29 Paul Brook <paul@codesourcery.com>
8990 * targhooks.c (default_narrow_bitfield): New fuction.
8991 * targhooks.h (default_narrow_bitfield): add prototype.
8992 * target.h (gcc_target): Add narrow_volatile_bitfield.
8993 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8994 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8995 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8996 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8998 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9000 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9002 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9003 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9004 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9005 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9006 (s390_function_arg_float): Allow SDmode and DDmode values to be
9007 passed in floating point registers.
9008 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9009 check with SCALAR_FLOAT_MODE_P.
9010 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9012 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9014 PR tree-optimization/25985
9015 * tree-ssa-loop-niter.c (number_of_iterations_le,
9016 number_of_iterations_ne): Make comments more precise.
9017 (number_of_iterations_cond): Add only_exit argument. Use the
9018 fact that signed variables do not overflow only when only_exit
9020 (loop_only_exit_p): New.
9021 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9022 number_of_iterations_cond.
9024 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9026 PR tree-optimization/26643
9027 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9030 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9032 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9033 (divsi3_i4_int): Likewise.
9035 2006-03-28 Roger Sayle <roger@eyesopen.com>
9037 * expr.c (emit_group_store): Only create a new pseudo reg if the
9038 quantity it needs to hold isn't already a suitable pseudo.
9040 2006-03-28 Jeff Law <law@redhat.com>
9042 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9043 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9045 2006-03-28 Roger Sayle <roger@eyesopen.com>
9047 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9048 the equivalent ~X & Y, and the symmetry related transformations.
9049 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9050 ~X & Y, and symmetry related transforms.
9052 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9054 Revert my 2006-03-27 patches.
9056 2006-03-28 Roger Sayle <roger@eyesopen.com>
9058 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9059 ~(T1)X, when T1 and T2 are integer types of the same precision
9060 and (T2)X isn't an extension.
9062 2006-03-28 Jeff Law <law@redhat.com>
9064 PR tree-optimization/26796
9065 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9066 need EH edge cleanups rather than purging them immediately.
9067 (eliminate_degenerate_phis): Handle queued EH cleanups.
9069 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9071 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9074 2006-03-27 Roger Sayle <roger@eyesopen.com>
9077 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9078 cast BIT_NOT_EXPR operand to the correct type.
9080 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9082 * tree-loop-linear.c: Don't include varray.h.
9083 (gather_interchange_stats, try_interchange_loops,
9084 linear_transform_loops): Use VEC instead of VARRAY.
9085 * lambda-mat.c: Don't include varray.h.
9086 * tree-chrec.c: Same.
9087 * lambda-trans.c: Same.
9088 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9089 VEC instead of VARRAY.
9090 * tree-vectorizer.h: Idem.
9091 * tree-data-ref.c (dump_data_references,
9092 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9093 initialize_data_dependence_relation, finalize_ddr_dependent,
9094 compute_all_dependences, find_data_references_in_loop,
9095 compute_data_dependences_for_loop, analyze_all_data_dependences,
9096 free_dependence_relation, free_dependence_relations,
9097 free_data_refs): Idem.
9098 * tree-data-ref.h (data_reference_p, subscript_p): New.
9099 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9100 VEC instead of VARRAY.
9101 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9102 (find_data_references_in_loop, compute_data_dependences_for_loop,
9103 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9104 dump_data_dependence_relations, free_dependence_relations,
9105 free_data_refs): Adjust declaration.
9106 (lambda_transform_legal_p): Move declaration here...
9107 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9108 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9109 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9110 vect_analyze_data_refs): Use VEC instead of VARRAY.
9111 * lambda.h (lambda_transform_legal_p): ...from here.
9112 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9113 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9114 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9115 tree-chrec.o): Don't depend on VARRAY_H.
9117 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9119 * rtl.def (Copyright): Update date.
9120 (DEPS_LIST): Change type of the second operand to 'int'.
9121 * target.h (Copyright): Update date.
9122 (struct gcc_target.speculate_insn): Change type of the second parameter
9124 * lists.c (Copyright): Update date.
9125 (alloc_DEPS_LIST): Change signature. Update reference to the second
9126 operand of the DEPS_LIST.
9127 (copy_DEPS_LIST_list): Update reference to the second operand of the
9129 * rtl.h (Copyright): Update date.
9130 (alloc_DEPS_LIST): Update signature.
9131 * sched-int.h (Copyright): Update date.
9132 (ds_t): Change typedef to 'int'.
9133 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9135 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9137 * haifa-sched.c (Copyright): Update date.
9138 (try_ready): Change condition to restore non-speculative pattern
9140 (process_insn_depend_be_in_spec): Code to keep probability of the
9141 speculative dependence non-decreasing.
9143 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9145 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9146 shut up the compiler.
9148 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9150 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9151 to use lib prefix for target.
9152 ($(T)libic_invalidate_array_4-200.a): Likewise.
9153 ($(T)libic_invalidate_array_4a.a): Likewise.
9155 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9156 J"orn Rennecke <joern.rennecke@st.com>
9158 * superh.opt: New file.
9159 * sh.c (boardtype, osruntime): Remove.
9160 * superh.h (SUBTARGET_OPTIONS): Remove.
9161 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9163 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9164 arguments with ^ and/or [].
9166 * config.gcc (sh-*-*): Add quoting to account for quirk of
9168 Replace == with = in enable_incomplete_targets test.
9170 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9171 with MASK_LITTLE_ENDIAN.
9173 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9174 * config/sh/sh.opt: Added to some comments.
9175 * config/sh/superh.h: Removed some chaff.
9177 * config/sh/sh.opt: Add m4-[1234]00* options.
9178 * config/sh/sh.c (sh_handle_option): Likewise.
9179 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9180 (ic_invalidate_array_4-100.o): New rule.
9181 ($(T)libic_invalidate_array_4-100.a): Likewise.
9182 (ic_invalidate_array_4-200.o): Likewise.
9183 ($(T)libic_invalidate_array_4-200.a): Likewise.
9184 (ic_invalidate_array_4a.o): Likewise.
9185 ($(T)libic_invalidate_array_4a.a): Likewise.
9186 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9187 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9189 * config/sh/crt1.asm: Merged in profiling code.
9190 * config/sh/superh.h (STARTFILE_SPEC): Override.
9191 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9192 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9193 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9195 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9196 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9197 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9199 * sh.opt (mpretend-cmove): New option.
9200 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9201 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9202 (movsicc): Add TARGET_PRETEND_CMOVE code.
9204 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9206 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9207 s390_class_max_nregs): New function prototypes.
9208 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9209 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9210 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9211 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9213 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9215 * dwarf2out.c (add_location_or_const_value_attribute): Call
9216 tree_add_const_value_attribute if nothing else works.
9217 (reference_to_unused): New.
9218 (rtl_for_decl_init): Use reference_to_unused to decide whether
9219 to output an initializer.
9221 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9224 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9225 peephole removing spe frob_di_df_2.
9227 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9229 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9230 (subscript_dependence_tester_1): Declared.
9231 (print_dir_vectors, print_dist_vectors): New.
9232 (debug_data_dependence_relation): New.
9233 (dump_data_dependence_relation): Print more details.
9234 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9235 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9236 (save_dist_v, save_dir_v, add_outer_distances,
9237 build_classic_dist_vector_1): New.
9238 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9239 Don't test for lambda_vector_lexico_pos.
9240 (same_access_functions, add_multivariate_self_dist,
9241 add_other_self_distances, dir_from_dist): New.
9242 (build_classic_dir_vector): Replace implementation almost identical to
9243 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9245 (subscript_dependence_tester_1): New.
9246 (subscript_dependence_tester): Handle the lexicographically negative
9247 distance vectors by recomputing the dependence relation.
9248 (compute_affine_dependence): Remove parameter loop_nest_depth.
9249 (compute_self_dependence): Don't call compute_subscript_distance.
9250 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9251 Add a parameter for the loop_nest.
9252 (find_loop_nest_1, find_loop_nest): New.
9253 (compute_data_dependences_for_loop): Compute the loop nest, and give
9254 up if the nest is not well formed.
9255 * tree-data-ref.h (loop_p): New.
9256 (struct data_dependence_relation): Replace size_vect field with
9257 loop_nest, a vec of loops.
9258 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9259 (DDR_LOOP_NEST): New.
9260 (print_dir_vectors, print_dist_vectors,
9261 debug_data_dependence_relation): Declared.
9262 (index_in_loop_nest): New.
9263 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9264 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9267 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9269 * simplify-rtx.c (simplify_relational_operation): Call
9270 simplify_relational_operation_1 even if mode is VOIDmode.
9272 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9274 PR tree-optimization/26804
9275 * tree.h (DECL_CALL_CLOBBERED): New macro.
9276 (tree_decl_common): Add call_clobbered_flag.
9277 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9278 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9279 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9280 (mark_non_addressable): Ditto.
9281 * tree-ssa.c (verify_call_clobbered): New function.
9282 (verify_alias_info): Use it.
9283 * tree-pass.h (pass_reset_cc_flags): New prototype.
9284 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9285 (reset_cc_flags): New function.
9286 * passes.c (init_optimization_passes): Call reset_cc_flags after
9287 initializing referenced_vars.
9289 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9290 Roger Sayle <roger@eyesopen.com>
9293 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9294 to 1.0 for non-real operands. Implement A / A optimization for
9297 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9299 * config/i386/i386.c (size_cost): Correct the comment for
9300 cost of storing fp registers.
9301 (i386_cost): Likewise.
9302 (i486_cost): Likewise.
9303 (pentium_cost): Likewise.
9304 (pentiumpro_cost): Likewise.
9305 (k6_cost): Likewise.
9306 (athlon_cost): Likewise.
9307 (k8_cost): Likewise.
9308 (pentium4_cost): Likewise.
9309 (nocona_cost): Likewise.
9310 (generic64_cost): Likewise.
9311 (generic32_cost): Likewise.
9313 2006-03-24 Denis Chertykov <denisc@overta.ru>
9315 * config/avr/avr-protos.h (extra_constraint): Delete.
9316 (extra_constraint_Q): New declaration.
9317 * config/avr/constraints.md: New file.
9318 * config/avr/avr.md: Include it.
9319 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9320 (TMP_REGNO, ZERO_REGNO): Likewise.
9321 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9322 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9323 (extra_constraint): Delete.
9324 (extra_constraint_Q): Test for memory constraint 'Q'.
9325 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9326 (REG_CLASS_FROM_LETTER): Delete.
9327 (CONST_OK_FOR_LETTER_P): Delete.
9328 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9329 (EXTRA_CONSTRAINT): Delete.
9330 (TMP_REGNO): Delete.
9331 (ZERO_REGNO): Delete.
9333 2006-03-24 Jeff Law <law@redhat.com>
9335 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9336 directly. Call mark_new_vars_to_rename slightly earlier.
9338 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9340 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9342 (gen_compile_unit_die): Use new language types for Objective-C and
9344 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9345 DW_LANG_C_plus_plus.
9348 * config/t-darwin (crt3.o): Work around bug 26840.
9349 * config/darwin-crt3.c: Rewrite.
9350 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9352 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9354 * doc/invoke.texi: Document -femit-class-debug-always
9355 * common.opt: Add -femit-class-debug-always.
9357 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9359 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9360 index and base register.
9361 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9362 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9363 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9364 REGNO_OK_FOR_INDEX_P.
9365 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9367 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9368 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9369 REG_OK_FOR_BASE_P): Definitions removed.
9371 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9374 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9375 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9376 set yet or weren't marked as local yet.
9378 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9380 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9383 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9385 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9386 (rs6000_legitimate_small_data_p): Delete.
9387 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9388 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9389 and make static. Add forward declaration. Update uses.
9390 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9391 of offsettable_memref_p.
9392 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9393 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9395 2006-03-24 Jeff Law <law@redhat.com>
9397 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9398 around bug in immediate-use iterator.
9400 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9403 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9404 or __LITTLE_ENDIAN__.
9406 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9408 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9409 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9410 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9411 * config/sh/sh.opt (mdiv=): Amend description.
9412 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9413 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9414 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9415 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9416 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9417 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9418 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9419 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9420 TARGET_DIVIDE_CALL_FP.
9422 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9424 * haifa-sched.c (choose_ready): Fix type of the local variable.
9425 Move local variables. Add comment.
9426 (check_reg_live): Change signature. Make callable from debugger.
9427 * sched-int.h (check_reg_live): Update signature.
9428 * sched-ebb.c (check_reg_live): Update parameters.
9429 * sched-rgn.c (check_reg_live): Ditto.
9430 (region_head_or_leaf_p): Check pointer before dereferencing.
9431 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9432 before reload on optimization levels below 1.
9434 2006-03-23 Richard Henderson <rth@redhat.com>
9436 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9440 * config/alpha/predicates.md (local_symbolic_operand): Reject
9443 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9446 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9447 expressions which have overflowed constants.
9449 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9451 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9453 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9455 * cfgloopmanip.c (create_loop_notes): Removed.
9456 * final.c (final_scan_insn): Do not handle loop notes.
9457 * jump.c (squeeze_notes): Ditto.
9458 * cfglayout.c (skip_insns_after_block,
9459 duplicate_insn_chain): Ditto.
9460 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9462 * cfgloop.h (create_loop_notes): Declaration removed.
9464 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9466 * varasm.c (output_constant_pool): Restore fnname and fndecl
9468 (assemble_start_function): Adjust call accordingly.
9469 (assemble_end_function): Likewise.
9471 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9474 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9477 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9479 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9482 * system.h (ICE_EXIT_CODE): New macro.
9483 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9484 (diagnostic_action_after_output): Likewise.
9485 * gcc.c (fatal_ice): New function.
9486 (execute): Use it instead of fatal.
9487 (fancy_abort): Likewise.
9488 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9490 2006-03-22 Jeff Law <law@redhat.com>
9492 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9493 iv_analyze_result returning false.
9495 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9497 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9499 2006-03-22 Richard Henderson <rth@redhat.com>
9502 * except.c (duplicate_eh_regions_0): New.
9503 (duplicate_eh_region_1): Duplicate the children of the node as
9504 well as the node itself. Link them up properly.
9505 (duplicate_eh_region_2): Merge into ...
9506 (duplicate_eh_regions): ... here. Take copy_region argument, and
9507 copy only a sub-tree if asked. Simplify copying and fixup.
9508 (eh_region_outer_p): New.
9509 * except.h (duplicate_eh_regions): Update decl.
9510 (eh_region_outer_p): Declare.
9511 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9512 (lower_omp_master): Likewise.
9513 (lower_omp_ordered): Likewise.
9514 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9515 (move_stmt_r): Use it to remap labels. Handle recursion vs
9516 remap_decls_p properly.
9517 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9518 (find_outermost_region_in_block): New.
9519 (new_label_mapper): New.
9520 (move_sese_region_to_fn): Copy eh information to the new function
9522 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9524 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9527 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9529 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9530 into shared libraries.
9532 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9534 * doc/md.texi: Refer to i386/constraints.md instead of
9536 * config/i386/constraints.md: New file, extracted from...
9537 * config/i386/predicates.md: ...here.
9538 * config/i386/i386.md: Include constraints.md.
9540 2006-03-21 Jason Merrill <jason@redhat.com>
9542 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9545 * expr.c (init_block_move_fn): Force default visibility.
9546 (init_block_clear_fn): Likewise.
9547 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9548 * targhooks.c (default_external_stack_protect_fail): Likewise.
9550 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9552 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9553 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9554 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9555 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9556 (loadgp): Use mips_current_loadgp_style.
9557 (loadgp_noshared): New pattern.
9558 (sibcall_internal): Use MIPS_CALL.
9559 (sibcall_value_internal): Likewise.
9560 (sibcall_value_multiple_internal): Likewise.
9561 (call_internal): Likewise.
9562 (call_value_internal): Likewise.
9563 (call_value_multiple_internal): Likewise.
9564 (call_split): Use MIPS_CALL and add an 'S' constraint.
9565 (call_value_split): Likewise.
9566 (call_value_multiple_split): Likewise.
9567 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9568 (-mshared): New option.
9569 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9570 (mips_current_loadgp_style): Declare.
9571 * config/mips/mips.c (mips_classify_symbol): Avoid using
9572 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9573 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9574 TARGET_ABSOLUTE_ABICALLS.
9575 (override_options): Adjust comments. Improve the warning that is
9576 issued when -mabicalls and -G are used together.
9577 (mips_file_start): Remove comment.
9578 (mips_current_loadgp_style): New function.
9579 (mips_gnu_local_gp): New variable.
9580 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9582 (mips_output_function_prologue): Use mips_current_laodgp_style.
9583 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9584 the cprestore instruction.
9585 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9586 live for TARGET_ABSOLUTE_ABICALLS.
9587 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9588 (ASM_SPEC): Pass down -mshared and -mno-shared.
9589 (MIPS_CALL): New macro.
9590 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9592 * doc/invoke.texi (-mabicalls): Update documentation.
9593 (-mshared): Document.
9595 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9597 * config/ia64/unwind-hpux.c: New file.
9598 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9600 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9603 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9605 2006-03-21 Jeff Law <law@redhat.com>
9607 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9608 type conversions of a VR_VARYING source to a wider type.
9610 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9612 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9613 tm_file on Solaris 10 and later.
9614 (sparc64-*-solaris2*): Likewise.
9615 (sparc-*-solaris2*): Likewise.
9616 * config/sol26.h: Rename to config/sol2-6.h.
9617 * config/sol2-10.h: New file.
9619 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9622 * tree-ssa-pre.c (create_component_ref_by_pieces):
9625 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9628 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9629 return it immediately.
9631 2006-03-21 Michael Matz <matz@suse.de>
9633 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9635 (remove_arc, add_arc): Update num_out_arcs member.
9636 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9638 (cache_presence): New function.
9639 (compare_states_for_equiv): New function.
9640 (state_is_differed): Don't take number of outargs, adjust callers.
9641 Use new invariant for speeding up.
9642 (init_equiv_class): Create initial classes based on sorted
9644 (partition_equiv_class): Don't track out_arcs_num.
9645 (evaluate_equiv_classes): Call cache_presence on all states and
9648 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9650 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9651 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9652 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9653 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9655 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9656 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9657 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9658 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9659 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9661 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9662 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9663 (REGNO_REG_CLASS): ARGP is in PREGS.
9664 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9666 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9667 to deal with those addresses.
9668 * addresses.h: New file.
9669 * caller-save.c: Include "addresses.h".
9670 (init_caller_save): Use new base_reg_class function.
9671 * rtl-factoring.c: Include "addresses.h".
9672 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9673 * recog.c: Include "addresses.h".
9674 (preprocess_constraints): Use new base_reg_class function.
9675 * regrename.c: Include "addresses.h".
9676 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9677 functions. Keep track of a new var INDEX_CODE to compute valid
9679 (replace_oldest_value_addr): Likewise.
9680 (replace_oldest_value_mem): Use base_reg_class.
9681 * reload.c: Include "addresses.h".
9682 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9683 (find_reloads): Use new base_reg_class function.
9684 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9685 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9686 all callers and prototype changed.
9687 * reload1.c: Include "addresses.h".
9688 (maybe_fix_stack_asms): Use base_reg_class.
9689 * regclass.c: Include "addresses.h".
9690 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9691 (init_reg_autoinc): Use new base_reg_class function.
9692 (record_reg_classes): Likewise.
9693 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9694 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9695 Use new args to compute necessary class.
9697 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9698 regrename.o, rtl-factoring.o): Update dependencies.
9699 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9700 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9701 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9702 REG_OK_FOR_INDEX_P): Delete documentation.
9704 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9706 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9707 from V7 to V9 for Solaris 7 and above.
9709 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9711 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9712 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9713 argument pointers may not alias any other storage.
9714 * common.opt: Define option -fargument-noalias-anything.
9715 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9716 alias semantics is specified by flag_argument_noalias > 2.
9718 2006-03-20 Jeff Law <law@redhat.com>
9720 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9721 (pass_phi_only_cprop): Declare.
9722 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9724 * tree-ssa-dom.c (degenerate_phi_result): New function.
9725 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9726 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9727 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9728 (eliminate_degenerate_phis): Likewise.
9729 (pass_phi_only_cprop): New pass descriptor.
9730 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9731 support code. Callers updated.
9732 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9733 (store_copy_prop): Likewise.
9734 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9736 2006-03-20 Jason Merrill <jason@redhat.com>
9739 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9740 (push_visibility, pop_visibility): Likewise.
9741 * c-pragma.h: Declare them.
9743 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9745 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9747 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9748 parameter and use get_ebb_head_tail.
9749 (sh_md_init_global): Adjust uses of find_regmode_weight.
9751 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9753 * function.h (struct function) <x_tail_recursion_reentry>:
9754 Rename to x_stack_check_probe_note.
9755 (tail_recursion_reentry): Rename to stack_check_probe_note.
9756 * function.c: Replace tail_recursion_reentry with
9757 stack_check_probe_note everywhere.
9758 (expand_function_start): Only emit a note for
9759 stack_check_probe_note with -fstack-protect.
9760 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9762 * emit-rtl.c (remove_unnecessary_notes): Remove.
9763 (pass_remove_unnecessary_notes): Remove.
9764 * rtl.h (remove_unnecessary_notes): Remove prototype.
9765 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9766 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9767 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9769 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9772 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9773 (valid_in_set): Handle ARRAY_REF.
9774 Change "if min_variant or VH" to asserts.
9775 (create_component_ref_by_pieces): Handle ARRAY_REF.
9776 (create_expression_by_pieces): Likewise.
9777 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9779 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9781 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9782 is operand of switch, not str[0].
9784 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9786 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9787 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9789 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9791 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9792 end of insn_extra_address_constraint declaration.
9794 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9796 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9797 (no-sum-in-toc): Same.
9798 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9800 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9801 NO_FP_IN_TOC for -fPIC instead of mask.
9803 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9804 (BOOT_LDFLAGS): Delete.
9806 * config/rs6000/t-aix52: Same.
9808 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9809 (stmsi[345678]_power): New.
9811 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9813 * config/ia64/ia64.opt: Add empty line to end of file.
9815 2006-03-17 Richard Guenther <rguenther@suse.de>
9818 * builtins.c (get_pointer_alignment): For component style references
9819 adjust alignment to the component type alignment. Make sure
9820 to adjust alignment for component access of constants.
9822 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9824 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9827 2006-03-17 Paul Brook <paul@codesourcery.com>
9829 * doc/install.texi: Docuemnt --with-mode.
9830 * config.gcc: Add --with-mode for arm*-*-*.
9831 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9833 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9835 * sh.c (max_labelno_before_reorg): New variable.
9836 (sh_reorg): Initialize it.
9837 (find_barrier): Check max_labelno_before_reorg before using
9838 label_to_alignment. Take length of explicit alignment insns
9839 into account. When seeing a UNSPECV_CONST_END, return it.
9841 * sh.c (fixup_mova): Set mode of affected label to QImode.
9842 (untangle_mova): New function.
9843 (find_barrier): Use it. Check mode of label before decrementing
9845 (sh_reorg): Likewise.
9846 Set mode of all insns back to VOIDmode.
9848 * sh.c (MOVA_LABELREF): New macro.
9849 (mova_p, fixup_mova, sh_reorg): Use it.
9850 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9851 ADDR_DIFF_VEC matches mova.
9853 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9855 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9856 with ATTRIBUTE_UNUSED.
9858 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9860 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9861 pointer, instead of assuming it is possible to derive the
9862 correct args size from a call insn.
9864 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9866 * rtl.h (CONST_INT_P): Define.
9867 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9868 instead of GET_CODE(x) == CONST_INT.
9869 (vax_rtx_costs): Likewise.
9870 (vax_output_int_move): Likewise.
9871 (vax_output_int_add): Likewise.
9872 (legitimate_constant_address_p): Likewise.
9873 (index_term_p): Likewise.
9874 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9875 * config/vax/vax.md (and<mode>3): Likewise.
9876 (ashrsi3): Likewise.
9878 (movstricthi): Likewise.
9879 (movstrictqi): Likewise.
9880 (rotrsi3): Likewise.
9881 (five unnamed insns): Likewise.
9883 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9885 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9886 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9887 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9888 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9889 Pass to ASM_OUTPUT_DWARF_OFFSET.
9890 * dwarf2out.c (debug_frame_section): New.
9891 (output_call_frame_info): Use debug_frame_section. Pass it to
9892 dw2_asm_output_offset.
9893 (output_die): Pass appropriate section to dw2_asm_output_offset.
9894 (output_compilation_unit_header): Likewise.
9895 (output_pubnames): Likewise.
9896 (output_aranges): Likewise.
9897 (enum dw_val_class): Break dw_val_class_lbl_offset into
9898 dw_val_class_lineptr and dw_val_class_macptr.
9899 (add_AT_lbl_offset): Delete.
9900 (add_AT_lineptr): New.
9901 (add_AT_macptr): New.
9902 (AT_lbl): Expect a lineptr or macptr.
9903 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9904 (attr_checksum): Likewise.
9905 (same_dw_val_p): Likewise.
9906 (size_of_die): Likewise.
9907 (value_format): Likewise.
9908 (output_die): Likewise.
9909 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9911 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9912 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9913 * config/darwin-protos.h (darwin_file_start): New.
9914 (darwin_asm_output_dwarf_offset): New.
9915 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9916 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9918 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9919 if not EH section; simplify.
9920 (darwin_file_start): New.
9921 (darwin_asm_output_dwarf_offset): New.
9922 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9924 (DEBUG_INFO_SECTION): Likewise.
9925 (DEBUG_ABBREV_SECTION): Likewise.
9926 (DEBUG_ARANGES_SECTION): Likewise.
9927 (DEBUG_MACINFO_SECTION): Likewise.
9928 (DEBUG_LINE_SECTION): Likewise.
9929 (DEBUG_LOC_SECTION): Likewise.
9930 (DEBUG_PUBNAMES_SECTION): Likewise.
9931 (DEBUG_STR_SECTION): Likewise.
9932 (DEBUG_RANGES_SECTION): Likewise.
9933 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9934 (ASM_OUTPUT_DWARF_OFFSET): New.
9936 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9938 * config.gcc (tm_defines): Always add to previous value rather
9941 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9943 * config/mips/predicates.md (splittable_const_int_operand): New,
9944 split from move_operand.
9945 (splittable_symbolic_operand): New.
9946 (move_operand): Add commentary. Use splittable_const_int_operand.
9947 Inline mips_atomic_symbolic_constant_p.
9948 * config/mips/mips.md: Add combine splitters for handling moves
9949 of splittable_const_int_operands and splittable_symbolic_operands.
9950 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9951 (mips_split_symbol): Declare.
9952 (mips_move_integer): Declare.
9953 * config/mips/mips.c (mips_split_p): Make global.
9954 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9955 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9956 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9957 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9958 (mips_offset_within_object_p): Handle block symbols.
9959 (mips_atomic_symbolic_constant_p): Delete.
9960 (mips_cannot_force_const_mem): Return false for constants that
9961 mips_legitimize_move can handle.
9962 (mips_use_blocks_for_constant_p): New function.
9963 (mips_split_symbol): Make global.
9964 (mips_move_integer): Likewise. Add a temporary register argument.
9965 (mips_legitimize_const_move): Use splittable_const_int_operand and
9966 splittable_symbolic_operand.
9967 (mips_use_anchors_for_symbol_p): New function.
9968 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9969 (mips_split_p): Declare.
9971 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9973 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9974 (mips*-*-linux*): Likewise.
9976 2006-03-16 Roger Sayle <roger@eyesopen.com>
9977 Daniel Speyer <dspeyer@wam.umd.edu>
9980 * tree-dump.c (dump_real): New function.
9981 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9982 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9983 (tree-dump.o): Add $(REAL_H) to the dependencies.
9985 2006-03-16 Roger Sayle <roger@eyesopen.com>
9988 * real.c (real_from_string): If the mantissa is zero, don't bother
9989 parsing the exponent as the result should always be zero.
9991 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9993 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9995 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9997 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9998 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9999 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10000 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10001 ia64_sched_finish_global): New static functions to implement
10002 hooks from gcc_target.sched.
10003 (spec_check_no, max_uid, pending_data_specs): New static variables.
10004 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10005 ia64_spec_check_src_p): New static functions.
10006 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10007 (TARGET_SCHED_ADJUST_COST): Removed.
10008 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10009 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10010 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10011 TARGET_SCHED_GEN_CHECK,
10012 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10013 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10014 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10015 Fixed to handle speculation checks.
10016 (rtx_needs_barrier): Fixed to handle speculative loads and
10018 (ia64_variable_issue): Added code to count speculative loads and their
10020 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10022 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10024 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10026 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10027 (ia64_reorg): Reset stops_p to NULL after it is freed.
10028 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10029 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10030 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10032 (data_speculative, control_speculative, check_load): New attributes.
10033 (mov<mode>_advanced, mov<mode>_speculative,
10034 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10035 zero_extend<mode>di2_speculative,
10036 zero_extend<mode>di2_speculative_advanced): New patterns for
10037 data and control speculative loads.
10038 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10040 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10041 New pattern for data and control speculation checks.
10042 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10043 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10044 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10045 Auxiliary definitions for the patterns.
10046 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10047 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10049 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10051 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10052 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10053 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10054 New resource constraints.
10055 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10057 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10058 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10059 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10060 msched-in-control-spec, msched-ldc, msched-control-ldc,
10061 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10062 msched-prefer-non-control-spec-insns,
10063 msched-count-spec-in-critical-path): New flags to tune speculative
10065 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10066 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10067 msched-in-control-spec, msched-ldc, msched-control-ldc,
10068 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10069 msched-prefer-non-control-spec-insns,
10070 msched-count-spec-in-critical-path): Document new flags.
10072 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10074 * target.h (struct spec_info_def): New opaque declaration.
10075 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10076 speculate_insn, needs_block_p, gen_check,
10077 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10078 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10079 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10080 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10081 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10082 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10084 (TARGET_SCHED): Use new macros.
10085 * rtl.h (copy_DEPS_LIST_list): New prototype.
10086 * sched-int.h (struct sched_info): Change signature of new_ready field,
10087 adjust all initializations. New fields: add_remove_insn,
10088 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10089 region_head_or_leaf_p.
10090 (struct spec_info_def): New structure declaration.
10091 (spec_info_t): New typedef.
10092 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10093 recovery_block, orig_pat.
10094 (glat_start, glat_end): New variables declaraions.
10095 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10097 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10098 DETACH_LIFE_INFO, USE_GLAT.
10099 (enum SPEC_SCHED_FLAGS): New enumeration.
10100 (NOTE_NOTE_BB_P): New macro.
10101 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10102 attach_life_info, debug_spec_status, check_reg_live): New functions.
10103 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10104 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10106 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10107 * ddg.c (get_block_head_tail): Adjust all uses.
10108 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10109 (sms_sched_info): Initialize new fields.
10110 (contributes_to_priority): Removed.
10111 * haifa-sched.c (params.h): New include.
10112 (get_block_head_tail): Adjust all uses.
10113 (ISSUE_POINTS): New macro.
10114 (glat_start, glat_end): New global variables.
10115 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10116 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10117 old_last_basic_block, before_recovery, current_sched_info_var,
10118 rgn_n_insns, luid): New static variables.
10119 (insn_cost1): New function. Move logic from insn_cost to here.
10120 (find_insn_reg_weight1): New function. Move logic from
10121 find_insn_reg_weight to here.
10122 (reemit_notes, move_insn, max_issue): Change signature.
10123 (move_insn1): Removed.
10124 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10125 extend_bb): New static functions to support extension of scheduler's
10127 (generate_recovery_code, process_insn_depend_be_in_spec,
10128 begin_speculative_block, add_to_speculative_block,
10129 init_before_recovery, create_recovery_block, create_check_block_twin,
10130 fix_recovery_deps): New static functions to support
10131 generation of recovery code.
10132 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10133 restore_bb_notes, move_block_after_check, move_succs): New static
10134 functions to support ebb scheduling.
10135 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10136 functions to support handling of register live information.
10137 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10138 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10139 add_jump_dependencies): New static functions.
10140 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10141 consistancy checking.
10142 (debug_spec_status): New function to call from debugger.
10143 (priority): Added code to handle speculation checks.
10144 (rank_for_schedule): Added code to distinguish speculative instructions.
10145 (schedule_insn): Added code to handle speculation checks.
10146 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10147 Fixed to handle ebbs.
10148 (move_insn): Added code to handle ebb scheduling.
10149 (max_issue): Added code to use ISSUE_POINTS of instructions.
10150 (choose_ready): Added code to choose between speculative and
10151 non-speculative instructions.
10152 (schedule_block): Added code to handle ebb scheduling and scheduling of
10153 speculative instructions.
10154 (sched_init): Initialize new variables.
10155 (sched_finish): Free new variables. Print statistics.
10156 (try_ready): Added code to handle speculative instructions.
10157 * lists.c (copy_DEPS_LIST_list): New function.
10158 * sched-deps.c (extend_dependency_caches): New function. Move logic
10159 from create_dependency_caches to here.
10160 (get_dep_weak, ds_merge): Make global.
10161 * genattr.c (main): Code to output prototype for
10162 dfa_clear_single_insn_cache.
10163 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10164 (output_dfa_clean_insn_cache_func): Code to output
10165 dfa_clear_single_insn_cache function.
10166 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10168 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10170 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10171 New static variables.
10172 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10173 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10175 (ebb_sched_info): Initialize new fields.
10176 (get_block_head_tail): Adjust all uses.
10177 (compute_jump_reg_dependencies): Fixed to use glat_start.
10178 (schedule_ebb): Code to remove unreachable last block.
10179 (schedule_ebbs): Added code to update register live information.
10180 * sched-rgn.c (region_sched_info): Initialize new fields.
10181 (get_block_head_tail): Adjust all uses.
10182 (last_was_jump): Removed. Adjust users.
10183 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10184 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10185 Implement new hooks.
10186 (check_dead_notes1): New static function.
10187 (struct region): New fields: dont_calc_deps, has_real_ebb.
10188 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10189 (BB_TO_BLOCK): Fixed to handle EBBs.
10190 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10191 (ebb_head): New static variable.
10192 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10193 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10195 (compute_dom_prob_ps): New assertion.
10196 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10197 global_live_at_start.
10198 (init_ready_list): New assertions.
10199 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10200 (new_ready): Add support for BEGIN_CONTROL speculation.
10201 (schedule_insns): Fixed code that updates register live information
10203 (schedule_region): Fixed to handle EBBs.
10204 (init_regions): Use extend_regions and check_dead_notes1.
10205 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10206 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10207 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10208 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10209 TARGET_SCHED_GEN_CHECK,
10210 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10211 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10212 * doc/invoke.texi (max-sched-insn-conflict-delay,
10213 sched-spec-prob-cutoff): Document.
10215 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10217 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10218 inter_tick, queue_index.
10219 (struct sched_info): Change signature of init_ready_list field.
10220 Adjust all initializations.
10221 (RESOLVED_DEPS): New access macro.
10222 (ready_add): Remove prototype.
10223 (try_ready): Add prototype.
10224 * sched-rgn.c (init_ready_list): Use try_ready.
10225 (schedule_region): Initialize
10226 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10227 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10228 (init_ready_list): Use try_ready.
10229 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10230 * lists.c (remove_list_elem): Remove `static'.
10231 (remove_free_INSN_LIST_elem): New function.
10232 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10233 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10234 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10236 (readyp): New variable.
10237 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10238 change_queue_index, resolve_dep): New static functions.
10239 (try_ready): New function. Adjust callers in sched-rgn.c and
10240 sched-ebb.c to use it instead of ready_add.
10241 (clock_var): Move at the begining of file.
10242 (rank_for_schedule): Fix typo.
10243 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10244 (ready_lastpos): Enforce assertion.
10245 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10246 update all callers.
10247 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10248 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10249 (queue_to_ready): Use free_INSN_LIST_list.
10250 (early_queue_to_ready): Fix typo.
10251 (schedule_block): Init readyp. Move init_ready_list call after the
10252 initialization of clock_var. Fix error in rejecting insn by
10253 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10254 that previously corrected INSN_TICKs. Add code for handling
10256 (set_priorities): Fix typo.
10257 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10258 Clarify comment and code that keeps current_sched_info->next_tail
10261 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10263 * sched-rgn.c (extend_rgns): New static function.
10264 (find_rgns): Use it.
10265 (gather_region_statistics, print_region_statistics): New static
10267 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10268 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10270 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10271 Andrey Belevantsev <abel@ispras.ru>
10273 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10274 * lists.c (unused_deps_list): New variable.
10275 (free_list): Add assertions to verify the proper distinguishing
10276 between INSN_LISTs and DEPS_LISTs.
10277 (find_list_elem, remove_list_elem, remove_list_node): New static
10279 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10280 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10281 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10282 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10284 (free_INSN_LIST_node): Likewise.
10285 * modulo-sched.c (current_sched_info): Initialize flags field.
10286 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10287 * rtl.def (DEPS_LIST): Define.
10288 * rtl.h: Declare new functions from lists.c.
10289 * sched-deps.c (spec_dependency_cache): New static variable.
10290 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10291 (add_dependence): Change return type to void. Move the logic to ...
10292 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10293 (delete_all_dependences): Add comment about forward_dependency_cache.
10294 Handle spec_dependency_cache. Handle DEPS_LISTs.
10295 (fixup_sched_groups): Clarify the change of priority of output
10296 and anti dependencies.
10297 (sched_analyze_2): Adjust add_dependence calls to create data
10298 speculative dependence.
10299 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10300 Adjust all callers. Handle DEPS_LISTS.
10301 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10302 presence of speculation.
10303 (init_dependency_caches, free_dependency_caches):
10304 Handle spec_dependency_cache.
10305 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10306 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10307 New static functions.
10308 (add_or_update_back_dep, add_or_update_back_forw_dep,
10309 add_back_forw_dep, delete_back_forw_dep): New functions.
10310 * sched-int.h (ds_t, dw_t): New typedefs.
10311 (struct sched_info): Add new field flags.
10312 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10313 Prototype new sched-deps.c functions.
10314 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10315 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10316 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10317 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10318 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10319 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10321 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10323 * sched-rgn.c (current_sched_info): Initialize flags field.
10324 (schedule_insns): Initialize current_sched_info before the sched_init
10326 * sched-ebb.c (current_sched_info): Initialize flags field.
10327 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10328 Call add_or_update_back_dep instead of add_dependence.
10329 Create control speculative dependencies.
10330 (schedule_insns): Initialize current_sched_info before the sched_init
10333 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10335 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10337 (sh_fallback_frame_state): Likewise.
10339 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10341 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10342 Do switch on default_use_cxa_atexit.
10343 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10344 * config/darwin-crt3.o: New.
10345 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10346 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10347 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10349 * config/rs6000/t-darwin: Move crt2.o building to here.
10350 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10351 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10354 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10356 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10357 from '! xxx' to '!xxx' for coding-style conformance.
10358 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10359 (EXTRA_CONSTRAINT): Likewise.
10360 * config/vax/vax.md (four unnamed insns): Likewise.
10362 2006-03-15 Paul Brook <paul@codesourcery.com>
10364 * config/arm/arm.c (minipool_pad): New.
10365 (add_minipool_forward_ref): Include pool alignment padding in address
10367 (push_minipool_fix): Set minipool_pad.
10368 (minipool_pad): Ditto.
10370 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10372 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10373 instead of GET_CODE() == MEM and REG_P() instead of
10375 (print_operand_address): Likewise.
10376 (vax_address_cost): Likewise.
10377 (vax_rtx_costs): Likewise.
10378 (vax_notice_update_cc): Likewise.
10379 (vax_output_int_add): Likewise.
10380 (INDEX_REGISTER_P): Likewise.
10381 (BASE_REGISTER_P): Likewise.
10382 (nonindexed_address_p): Likewise.
10383 (vax_mode_dependent_address_p): Likewise.
10384 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10385 (PRINT_OPERAND): Likewise.
10386 * config/vax/vax.md (ashlsi3): Likewise.
10387 (ashlsi3): Likewise.
10388 (some more unnamed insns): Likewise.
10390 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10392 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10393 iterator-style macro.
10394 (mark_control_dependent_edges_necessary): Update the use of
10395 EXECUTE_IF_CONTROL_DEPENDENT.
10397 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10399 * config/sh/predicates.md (cache_address_operand): Special.
10400 (ua_address_operand): Likewise.
10402 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10404 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10406 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10408 2006-03-15 Andreas Schwab <schwab@suse.de>
10410 * gensupport.c (identify_predicable_attribute): Don't free p_false
10411 when it is still in use.
10413 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10415 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10416 the default setting here.
10418 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10420 * tree-pass.h (pass_cfg): Remove.
10421 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10422 * passes.c (pass_cfg): Don't run it.
10424 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10426 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10427 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10429 (stack_regs_mentioned): Update the uses of
10430 stack_regs_mentioned_data. Don't access the array beyond its
10432 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10433 Don't include gt-reg-stack.h.
10435 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10436 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10438 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10440 PR middle-end/26684
10441 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10444 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10446 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10448 2006-03-14 Richard Guenther <rguenther@suse.de>
10450 PR tree-optimization/26672
10451 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10454 2006-03-14 Richard Guenther <rguenther@suse.de>
10456 PR tree-optimization/26667
10457 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10458 node for the callees. Always allow inlining if it will shrink
10461 2006-03-14 Richard Guenther <rguenther@suse.de>
10463 PR middle-end/26659
10464 * builtins.c (get_pointer_alignment): Prefer alignment
10465 information from decls over that from types.
10467 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10470 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10472 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10474 * config/rs6000/rs6000.opt (mdlmzb): New option.
10475 (msched-prolog, msched-epilog): Use Var not Mask.
10476 * doc/invoke.texi (-mdlmzb): Document.
10477 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10479 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10480 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10482 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10484 PR rtl-optimization/25739
10485 * bt-load.c (augment_live_range): Free tos pointer.
10487 * gensupport.c (identify_predicable_attribute): Free
10489 * gcov.c (create_file_names): Free name pointer.
10491 2006-03-13 Roger Sayle <roger@eyesopen.com>
10493 PR middle-end/26557
10494 * stmt.c (emit_case_nodes): Handle the case where the index is a
10495 CONST_INT, where the comparison mode is specified by the index type.
10497 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10499 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10502 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10504 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10505 (*branch_fp_inverted): Likewise.
10507 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10509 PR middle-end/25989
10510 * omp-low.c (expand_omp_for_generic): Mark istart0
10511 and iend0 as addressable.
10513 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10515 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10517 2006-03-13 Jeff Law <law@redhat.com>
10519 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10520 virtual operands are interesting.
10521 (vrp_visit_stmt): Corresponding changes.
10523 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10525 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10527 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10528 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10529 * config/bfin/crti.S: Use it instead of __PIC__.
10530 * config/bfin/crtn.S: Likewise.
10532 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10533 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10535 Lose 'G' modifier for call operand.
10536 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10537 recognize 'G' modifier.
10539 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10541 PR middle-end/18859
10542 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10543 * stmt.c (expand_case): Likewise.
10545 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10547 PR rtl-optimization/26254
10548 * loop-invariant.c (seq_insns_valid_p): New function.
10549 (move_invariant_reg): Only emit new code if it is valid.
10551 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10553 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10555 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10556 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10557 (commit_one_edge_insertion): Do not look for loop notes.
10559 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10561 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10562 flag_test_coverage out of loop.
10564 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10566 * final.c (shorten_branches): Remove outdated comment, and turn
10567 the if branch that guards it to continue.
10569 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10571 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10572 * cfgloop.h (struct loop): Remove unused fields.
10574 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10576 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10577 (-dL, -fdump-rtl-loop2): Update the dump file names
10579 * doc/invoke.texi: Update dump file names.
10581 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10583 * predict.c (estimate_probability): Remove.
10584 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10585 * basic-block.h (estimate_probability): Remove prototype.
10586 * passes.c (finish_optimization_passes): Dump branch prediction or
10587 profiling heuristics to the .profile tree dump.
10588 (init_optimization_passes): Unqueue pass_branch_prob.
10590 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10592 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10594 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10595 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10597 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10599 * function.h (frame_offset_overflow): Declare.
10600 * function.c (frame_offset_overflow): New function.
10601 (assign_stack_local_1): Call it to detect that the offset overflows.
10602 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10604 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10606 * config/sh/sh.c: Include alloc-pool.h.
10607 (label_ref_list_pool): New alloc pool.
10608 (label_ref_list_t): New type for lists of labels.
10609 (struct pool_node): Make wend a label_ref_list_t.
10610 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10612 (dump_table): Likewise.
10613 (sh_reorg): Set up the alloc pool before using add_constant and
10614 dump_table, and destroy it when finishing.
10616 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10618 * config/mips/mips.c: Remove redundant comment.
10620 2006-03-10 Jason Merrill <jason@redhat.com>
10623 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10624 the target was declared 'register'.
10626 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10628 * genpreds.c (write_insn_constraint_len): Change definition of
10629 insn_constraint_len to return size_t to match the declaration.
10631 2006-03-10 DJ Delorie <dj@redhat.com>
10633 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10635 (m32c_expand_insv): Fix test for an AND mask.
10637 2006-03-10 Richard Guenther <rguenther@suse.de>
10639 PR middle-end/26565
10640 * builtins.c (get_pointer_alignment): Handle component
10641 references for field alignment.
10643 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10645 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10646 when building with libgloss.
10647 (sh*elf): Implement --without-fp option.
10648 (sh64-superh-linux*): Don't multilib.
10650 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10652 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10654 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10656 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10657 Set it when one of the replacement functions returned true.
10658 Return TODO_cleanup_cfg if cfgchanged is true.
10659 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10661 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10663 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10664 instead of gen_lowpart.
10666 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10668 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10670 (mips_output_order_conditional_branch): Declare.
10671 * config/mips/mips.h (MIPS_BRANCH): New macro.
10672 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10673 for the comparison. Use gen_condjump.
10674 (mips_output_conditional_branch): Rework interface to take the
10675 asm templates for a direct branch and the inverse of a direct branch.
10676 (mips_output_order_conditional_branch): New function.
10677 (mips_builtin_branch_and_move): New function.
10678 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10679 branch condition. Use gen_single_cc as the condition for
10680 __builtin_mips_upper_* or __builtin_mips_lower_*.
10681 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10682 Use VOIDmode for the branch condition.
10683 * config/mips/predicates.md (order_operator): New predicate.
10684 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10685 (branch_fp): Rename to...
10686 (*branch_fp): ...this. Remove mode from comparison operator.
10687 Use new mips_output_conditional_branch interface.
10688 (branch_fp_inverted): Rename to...
10689 (*branch_fp_inverted): ...this and update as for *branch_fp.
10690 (*branch_zero<mode>): Rename to...
10691 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10692 Use mips_output_order_conditional_branch. Only accept ordered
10694 (*branch_zero<mode>_inverted): Rename to...
10695 (*branch_order<mode>_inverted): ...this and update as for
10696 *branch_order<mode>.
10697 (*branch_equality<mode>): Accept zero as the second operand to
10698 the equality operator. Use the new mips_output_conditional_branch
10700 (*branch_equality<mode>_inverted): Likewise.
10701 (condjump): New expander.
10702 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10704 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10705 (bc1any2t, bc1any2f): Likewise.
10706 (single_cc): New expander.
10707 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10709 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10711 * doc/md.texi: Update documentation of MIPS constraints.
10712 * config/mips/constraints.md: New file.
10713 * config/mips/mips.md: Include it.
10714 * config/mips/mips.c (mips_char_to_class): Delete.
10715 (override_options): Don't initialize mips_char_to_class.
10716 * config/mips/mips.h (mips_char_to_class): Delete.
10717 (REG_CLASS_FROM_LETTER): Delete.
10718 (CONST_OK_FOR_LETTER_P): Delete.
10719 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10720 (EXTRA_CONSTRAINT_Y): Delete.
10721 (EXTRA_CONSTRAINT_STR): Delete.
10722 (CONSTRAINT_LEN): Delete.
10723 (EXTRA_MEMORY_CONSTRAINT): Delete.
10725 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10727 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10728 original fn's eh regions.
10730 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10732 * fold-const.c (build_range_check): Make sure to use a valid type to
10733 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10736 (range_predecessor): New static function.
10737 (range_successor): Likewise.
10738 (merge_ranges): Use them to compute predecessors and successors of
10741 2006-03-09 Roger Sayle <roger@eyesopen.com>
10743 PR middle-end/26561
10744 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10745 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10747 2006-03-08 DJ Delorie <dj@redhat.com>
10749 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10750 (addpsi3): Expand to include memory operands. Remove
10751 reload-specific splits.
10752 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10753 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10754 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10755 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10756 (shift1_qi, shift1_hi, insv): New.
10757 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10758 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10759 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10761 * config/m32c/m32c-protos.h: Update as needed.
10762 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10763 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10764 Fail for unrecognized R* constraints.
10765 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10766 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10767 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10769 (m32c_init_libfuncs): New.
10770 (m32c_legitimate_address_p): Add debug wrapper.
10771 (m32c_rtx_costs): New.
10772 (m32c_address_cost): New.
10773 (conversions): Add 'B' prefix.
10774 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10775 operands, or word regnames for QI operands. 'B' prints bit
10777 (m32c_expand_setmemhi): New.
10778 (m32c_expand_movmemhi): New.
10779 (m32c_expand_movstr): New.
10780 (m32c_expand_cmpstr): New.
10781 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10782 (m32c_expand_neg_mulpsi3): Handle non-ints.
10783 (m32c_cmp_flg_0): New.
10784 (m32c_expand_movcc): New.
10785 (m32c_expand_insv): New.
10786 (m32c_scc_pattern): New.
10787 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10788 a0/a1 out of SIregs.
10789 (STORE_FLAG_VALUE): New.
10790 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10793 * config/m32c/mov.md: Make constraints more liberal.
10794 (zero_extendqihi2): Optimize r0/r1 case.
10795 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10796 * config/m32c/predicates.md (m32c_any_operand): New.
10797 (m32c_nonimmediate_operand): New.
10798 (m32c_hl_operand): New.
10799 (m32c_r3_operand): New.
10802 (memsym_operand): New.
10803 (memimmed_operand): New.
10804 (a_qi_operand): New.
10805 (m32c_eqne_operator): New.
10806 (m32c_1bit8_operand): New.
10807 (m32c_1bit16_operand): New.
10808 (m32c_1mask8_operand): New.
10809 (m32c_1mask16_operand): New.
10810 * config/m32c/blkmov.md: New file.
10811 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10813 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10815 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10816 unsigned to fix signed/unsigned comparison issue in
10817 DWARF2_FRAME_REG_OUT.
10818 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10819 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10821 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10822 of ptr into the ENABLE_CHECKING section.
10824 2006-03-08 Jeff Law <law@redhat.com>
10826 * tree-vrp.c (infer_value_range): Only count pointer uses
10827 and dereferences if -fdelete-null-pointer-checks is enabled.
10829 * tree-vrp.c (find_assert_locations): Infer value ranges for
10830 single use pointers, but do not create ASSERT_EXPRs for them.
10831 When a non-null range is inferred for a pointer, backwards
10832 propagate that range to other equivalent pointers through the
10835 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10838 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10839 language hook targets.
10840 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10841 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10842 if language hook targets were missing.
10844 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10846 * tree-ssa-opfinalize.h: Removed.
10847 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10849 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10850 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10851 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10852 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10853 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10854 finalize_ssa_v_must_def_ops): New.
10856 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10858 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10859 block as parameter.
10861 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10863 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10865 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10866 addresses with offsets; reorganize.
10868 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10869 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10870 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10872 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10875 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10877 2006-03-08 Ben Elliston <bje@au.ibm.com>
10879 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10881 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10884 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10887 2006-03-07 Richard Guenther <rguenther@suse.de>
10889 PR tree-optimization/26587
10890 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10892 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10894 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10896 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10898 * hooks.c (hook_bool_mode_rtx_true): New function.
10899 * hooks.h (hook_bool_mode_rtx_true): Declare.
10900 * toplev.c (compile_file): Call output_shared_constant_pool.
10901 * varasm.c (shared_constant_pool): New variable.
10902 (assemble_start_function, assemble_end_function): Remove arguments
10903 from call to output_constant_pool.
10904 (create_constant_pool): New function, split out from...
10905 (init_varasm_status): ...here.
10906 (force_const_mem): Choose between the shared and per-function constant
10907 pools. Set current_function_uses_const_pool when reusing old entries
10908 as well as when creating new ones.
10909 (mark_constant): Ignore data argument.
10910 (mark_constants): Remove pool argument.
10911 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10912 to decide whether the function uses a constant pool.
10913 (output_constant_pool_contents): New function, split out from...
10914 (output_constant_pool): ...here.
10915 (output_shared_constant_pool): New function.
10916 (init_varasm_once): Initialize shared_constant_pool.
10917 * output.h (output_constant_pool): Delete.
10918 (output_shared_constant_pool): Declare.
10919 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10920 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10922 2006-03-06 Nick Clifton <nickc@redhat.com>
10924 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10925 flag_strength_reduce.
10927 2006-03-06 Ben Elliston <bje@au.ibm.com>
10929 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10930 x86_64-*-linux* configurations.
10932 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10933 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10935 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10937 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10939 * basic-block.h: Remove the extern for
10940 rediscover_loops_after_threading.
10942 * cfgloop.c (cancel_loop): Make it static.
10943 * cfgloop.h: Remove the prototype for cancel_loop.
10945 * flow.c (recompute_reg_usage): Make it static.
10946 * rtl.h: Remove the prototype for recompute_reg_usage.
10948 * function.c (use_return_register): Make it static.
10949 * function.h: Remove the prototype.
10951 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10953 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10955 * recog.h: Remove the prototype for
10956 validate_change_maybe_volatile.
10958 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10960 * rtlanal.c (replace_reg): Remove.
10961 * rtl.h: Remove the prototype for replace_reg.
10963 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10965 * regclass.c (reg_scan_update): Remove.
10966 (reg_scan_mark_refs): Remove the last argument.
10967 * rtl.h: Remove the prototype for reg_scan_update.
10969 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10971 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10972 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10973 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10974 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10975 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10976 loop-invariant.c, omp-low.c, opts.c, passes.c,
10977 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10978 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10979 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10980 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10981 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10982 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10984 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10986 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10987 * dwarf2out.h: Remove the prototype for
10988 dwarf2out_add_library_unit_info.
10990 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10992 * tree.c (add_var_to_bind_expr): Remove.
10993 * tree.h: Remove the prototype for add_var_to_bind_expr.
10995 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10997 * regclass.c (n_non_fixed_regs): Remove.
10998 (init_reg_sets_1, globalize_reg): Remove all uses of
11000 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11002 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11004 * rtlanal.c (insns_safe_to_move_p): Remove.
11005 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11007 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11009 * expmed.c (expand_mult_add): Remove.
11010 * expr.h: Remove the prototype for expand_mult_add.
11012 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11014 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11015 and REG_SAVED_VAL_EXP constants.
11016 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11017 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11018 Handle regs stored by value.
11019 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11020 (execute_cfa_program): Handle DW_CFA_val_offset,
11021 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11022 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11023 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11024 (uw_install_context_1): Handle target regs stored by value.
11026 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11028 * tree-sra.c (tree_sra): Return todoflags;
11029 (generate_one_element): Set TODO_update_smt_usage if needed.
11030 (pass_sra): Remove TODO_update_smt_usage.
11031 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11033 (tree_ssa_forward_propagate_single_use_vars): Return
11034 TODO_update_smt_usage if we need to update SMT usage.
11035 (pass_forwprop): Remove TODO_update_smt_usage.
11037 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11039 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11040 (correct_use_link): Remove reference to get_stmt_operands.
11041 (update_stmt_operands): Likewise.
11042 (get_modify_expr_operands): New function factored out of
11043 parse_ssa_operands and get_expr_operands.
11044 Try to create V_MUST_DEFs for LHS by default.
11045 (get_expr_operands) <case MODIFY_EXPR>: Call
11046 get_modify_expr_operands.
11047 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11048 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11049 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11050 get_modify_expr_operands.
11052 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11054 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11055 * tree-flow.h: Remove the prototype for
11056 referenced_var_lookup_if_exists.
11058 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11060 PR rtl-optimization/26345
11062 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11064 2006-03-03 Roger Sayle <roger@eyesopen.com>
11066 PR tree-optimization/26524
11067 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11068 fold_convert to create a constant of the appropriate type.
11070 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11072 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11073 SYMBOL_REF_IN_BLOCK_P.
11074 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11075 of SYMBOL_FLAG_IN_BLOCK.
11076 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11077 instead of SYMBOL_REF_IN_BLOCK_P.
11078 * explow.c (use_anchored_address): Likewise.
11079 * rtl.c (rtx_size): Likewise.
11080 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11081 instead of SYMBOL_FLAG_IN_BLOCK.
11082 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11083 SYMBOL_REF_IN_BLOCK_P.
11084 (assemble_variable): Likewise.
11085 (output_constant_def_contents): Likewise.
11086 (output_constant_pool): Likewise.
11087 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11088 instead of SYMBOL_FLAG_IN_BLOCK.
11089 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11090 SYMBOL_REF_IN_BLOCK_P.
11091 (SYMBOL_REF_BLOCK): Likewise.
11092 (SYMBOL_REF_OFFSET): Likewise.
11093 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11094 SYMBOL_REF_IN_BLOCK_P.
11095 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11096 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11097 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11098 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11100 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11102 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11104 2006-03-02 Roger Sayle <roger@eyesopen.com>
11106 * simplify-rtx.c (simplify_unary_operation): When simplifying
11107 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11108 that we perform the right shift in the appropriate mode, and
11109 then extend or truncate the result to requested mode.
11111 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11113 * gengtype.c (main): Handle double_int type.
11114 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11115 * double-int.c: New file.
11116 * double-int.h: New file.
11117 * system.h: Include doubleint.h.
11118 * Makefile.in (SYSTEM_H): Include double-int.h.
11119 (double-int.o): Add.
11121 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11124 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11127 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11129 * tree-vrp.c (remove_range_assertions): Do not update statements
11132 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11134 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11136 * gcse.c (rest_of_handle_gcse): Ditto.
11137 * except.c (gate_handle_eh): Ditto.
11138 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11139 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11141 2006-03-02 Eric Christopher <echristo@apple.com>
11143 * config/i386/i386.c (machopic_output_stub): Add indirection to
11146 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11150 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11152 Sun Niagara specific optimizations.
11153 * config.gcc: Recognize niagara as target.
11154 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11155 (TARGET_CPU_niagara): Define.
11156 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11157 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11158 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11159 (ASM_CPU_SPEC): Likewise.
11160 (PROCESSOR_NIAGARA): New enum entry.
11161 (REGISTER_MOVE_COST): Handle Niagara.
11162 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11163 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11164 (sparc_override_options): Recognize "niagara", set appropriate
11165 default MASK_* values for it, and align functions to 32-bytes
11166 by default just like ULTRASPARC/ULTRASPARC3.
11167 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11168 (sparc64_initialize_trampoline): Likewise.
11169 (sparc_use_sched_lookahead): Use zero for niagara.
11170 (sparc_issue_rate): Use one for niagara.
11171 * config/sparc/niagara.md: New file.
11172 * config/sparc/sparc.md: Include it.
11173 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11174 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11175 when default cpu is niagara.
11176 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11177 (ASM_CPU_SPEC): Likewise.
11178 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11179 when default cpu is niagara.
11180 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11181 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11182 just like v9/ultrasparc/ultrasparc3.
11183 * doc/invoke.texi: Add documentation for "niagara" and improve
11184 existing documentation for ultrasparc variants.
11186 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11188 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11190 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11192 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11193 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11194 and say that only one is needed.
11195 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11196 * target.h (have_switchable_bss_sections): New hook.
11197 * explow.c (use_anchored_address): Check that the symbol is in a block.
11198 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11199 (bss_noswitch_section): New variables.
11200 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11201 (get_noswitch_section): New function.
11202 (get_block_for_section): Allow SECT to be null.
11203 (unlikely_text_section_p): Use SECTION_STYLE.
11204 (bss_initializer_p): New function.
11205 (get_variable_section): Move earlier in file. Take a new argument,
11206 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11207 Return one of the new *_sections in such cases.
11208 (get_block_for_decl): New function, extracting some logic from
11209 use_blocks_for_decl_p.
11210 (change_symbol_section): Remove in favor of...
11211 (change_symbol_block): ...this new function.
11212 (use_blocks_for_decl_p): Remove checks now performed by
11213 get_block_for_decl.
11214 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11215 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11216 (emit_local, emit_bss, emit_common): ...these new functions.
11217 Return true if the alignment was honored.
11218 (emit_tls_common): New function.
11219 (asm_emit_uninitialised): Delete.
11220 (assemble_variable_noswitch): New function, split out from...
11221 (assemble_variable): ...here. Don't make decisions about common
11222 variables here. Globalize all public decls that go into non-common
11223 sections. Check whether SYMBOL_REF_BLOCK is null.
11224 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11225 (output_constant_pool): Likewise.
11226 (init_varasm_once): Initialize the new section variables.
11227 (have_global_bss_p): New function.
11228 (categorize_decl_for_section): Use bss_initializer_p.
11229 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11230 (place_block_symbol): Assert that the symbol must be in a block.
11231 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11232 (TARGET_INITIALIZER): Include it.
11233 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11234 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11235 (SECTION_MACH_DEP): Bump by two.
11236 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11237 (unnamed_section): Mention SECTION_UNNAMED in comment.
11238 (named_section): Likewise SECTION_NAMED.
11239 (noswitch_section_callback): New type.
11240 (noswitch_section): New structure.
11241 (section): Add a noswitch_section alternative.
11242 (SECTION_STYLE): New macro.
11243 (tls_comm_section, comm_section, lcomm_section): Declare.
11244 (bss_noswitch_section, have_global_bss_p): Declare.
11245 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11246 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11248 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11249 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11252 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11254 * tree-vrp.c (execute_vrp): Return value.
11255 * regrename.c (rest_of_handle_regrename): Ditto.
11256 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11257 * tree-complex.c (tree_lower_complex): Ditto.
11258 (tree_lower_complex_O0): Ditto.
11259 * tracer.c (rest_of_handle_tracer): Ditto.
11260 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11261 * postreload.c (rest_of_handle_postreload): Ditto.
11262 * tree-tailcall.c (execute_tail_recursion): Ditto.
11263 (execute_tail_calls): Ditto.
11264 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11265 * tree.h (init_function_for_compilation): Ditto.
11266 * ipa-cp.c (ipcp_driver): Ditto.
11267 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11268 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11269 * final.c (compute_alignments): Ditto.
11270 (rest_of_handle_final): Ditto.
11271 (rest_of_handle_shorten_branches): Ditto.
11272 (rest_of_clean_state): Ditto.
11273 * omp-low.c (execute_expand_omp): Ditto.
11274 (execute_lower_omp): Ditto.
11275 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11276 * ipa-reference.c (static_execute): Ditto.
11277 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11278 * reorg.c (rest_of_handle_delay_slots): Ditto.
11279 (rest_of_handle_machine_reorg): Ditto.
11280 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11281 * flow.c (recompute_reg_usage): Ditto.
11282 (rest_of_handle_remove_death_notes): Ditto.
11283 (rest_of_handle_life): Ditto.
11284 (rest_of_handle_flow2): Ditto.
11285 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11286 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11287 (do_ssa_store_ccp): Ditto.
11288 (execute_fold_all_builtins): Ditto.
11289 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11290 * modulo-sched.c (rest_of_handle_sms): Ditto.
11291 * ipa-pure-const.c (static_execute): Ditto.
11292 * cse.c (rest_of_handle_cse): Ditto.
11293 (rest_of_handle_cse2): Ditto.
11294 * web.c (rest_of_handle_web): Ditto.
11295 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11296 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11297 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11298 * tree-nrv.c (tree_nrv): Ditto.
11299 (execute_return_slot_opt): Ditto.
11300 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11301 (create_structure_vars): Ditto.
11302 * loop-init.c (rtl_loop_init): Ditto.
11303 (rtl_loop_done): Ditto.
11304 (rtl_move_loop_invariants): Ditto.
11305 (rtl_unswitch): Ditto.
11306 (rtl_unroll_and_peel_loops): Ditto.
11307 (rtl_doloop): Ditto.
11308 * gimple-low.c (lower_function_body): Ditto.
11309 (mark_used_blocks): Ditto.
11310 * tree-ssa-sink.c (execute_sink_code): Ditto.
11311 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11312 (cgraph_early_inlining): Ditto.
11313 * global.c (rest_of_handle_global_alloc): Ditto.
11314 * jump.c (cleanup_barriers): Ditto.
11315 (purge_line_number_notes): Ditto.
11316 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11317 (rest_of_handle_if_after_reload): Ditto.
11318 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11319 (tree_ssa_loop_im): Ditto.
11320 (tree_ssa_loop_unswitch): Ditto.
11321 (tree_vectorize): Ditto.
11322 (tree_linear_transform): Ditto.
11323 (tree_ssa_loop_ivcanon): Ditto.
11324 (tree_ssa_empty_loop): Ditto.
11325 (tree_ssa_loop_bounds): Ditto.
11326 (tree_complete_unroll): Ditto.
11327 (tree_ssa_loop_prefetch): Ditto.
11328 (tree_ssa_loop_ivopts): Ditto.
11329 (tree_ssa_loop_done): Ditto.
11330 * predict.c (tree_estimate_probability): Ditto.
11331 * recog.c (split_all_insns_noflow): Ditto.
11332 (rest_of_handle_peephole2): Ditto.
11333 (rest_of_handle_split_all_insns): Ditto.
11334 * tree-eh.c (lower_eh_constructs): Ditto.
11335 * regmove.c (rest_of_handle_regmove): Ditto.
11336 (rest_of_handle_stack_adjustments): Ditto.
11337 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11338 * function.c (instantiate_virtual_regs): Ditto.
11339 (init_function_for_compilation): Ditto.
11340 (rest_of_handle_check_leaf_regs): Ditto.
11341 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11342 (rest_of_handle_gcse): Ditto.
11343 * ipa-type-escape.c (type_escape_execute): Ditto.
11344 * alias.c (rest_of_handle_cfg): Ditto.
11345 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11346 * profile.c (rest_of_handle_branch_prob): Ditto.
11347 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11348 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11349 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11350 * tree-dfa.c (find_referenced_vars): Ditto.
11351 * except.c (set_nothrow_function_flags): Ditto.
11352 (convert_to_eh_region_ranges): Ditto.
11353 (rest_of_handle_eh): Ditto.
11354 * emit-rtl.c (unshare_all_rtl): Ditto.
11355 (remove_unnecessary_notes): Ditto.
11356 * except.h (set_nothrow_function_flags): Ditto.
11357 (convert_to_eh_region_ranges): Ditto.
11358 * cfgexpand.c (tree_expand_cfg): Ditto.
11359 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11360 * tree-ssa-pre.c (do_pre): Ditto.
11361 (execute_fre): Ditto.
11362 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11363 (rest_of_handle_jump2): Ditto.
11364 * tree-sra.c (tree_sra): Ditto.
11365 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11366 (execute_mudflap_function_decls): Ditto.
11367 * tree-ssa-copy.c (do_copy_prop): Ditto.
11368 (do_store_copy_prop): Ditto.
11369 * ipa-prop.h (ipcp_driver): Ditto.
11370 * cfglayout.c (insn_locators_initialize): Ditto.
11371 * tree-ssa-forwprop.c
11372 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11373 * cfglayout.h (insn_locators_initialize): Ditto.
11374 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11375 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11376 (execute_late_warn_uninitialized): Ditto.
11377 * rtl.h (cleanup_barriers): Ditto.
11378 (split_all_insns_noflow): Ditto.
11379 (purge_line_number_notes): Ditto.
11380 (unshare_all_rtl): Ditto.
11381 (remove_unnecessary_notes): Ditto.
11382 (recompute_reg_usage): Ditto.
11383 (variable_tracking_main): Ditto.
11384 * integrate.c (emit_initial_value_sets): Ditto.
11385 * integrate.h (emit_initial_value_sets): Ditto.
11386 * tree-optimize.c (execute_free_datastructures): Ditto
11387 (execute_free_cfg_annotations): Ditto.
11388 (execute_fixup_cfg): Ditto.
11389 (execute_cleanup_cfg_pre_ipa): Ditto.
11390 (execute_cleanup_cfg_post_optimizing): Ditto.
11391 (execute_init_datastructures): Ditto.
11392 * tree-object-size.c (compute_object_sizes): Ditto.
11393 * combine.c (rest_of_handle_combine): Ditto.
11394 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11395 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11396 (rest_of_handle_reorder_blocks): Ditto.
11397 (rest_of_handle_partition_blocks): Ditto.
11398 * var-tracking.c (variable_tracking_main): Ditto.
11399 * tree-profile.c (tree_profiling): Ditto.
11400 * tree-vect-generic.c (expand_vector_operations): Ditto.
11401 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11402 * sched-rgn.c (rest_of_handle_sched): Ditto.
11403 (rest_of_handle_sched2): Ditto.
11404 * basic-block.h (free_bb_insn): Ditto.
11405 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11406 * tree-cfg.c (execute_build_cfg): Ditto.
11407 (remove_useless_stmts): Ditto.
11408 (split_critical_edges): Ditto.
11409 (execute_warn_function_return): Ditto.
11410 (execute_warn_function_noreturn): Ditto.
11411 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11412 * cfgrtl.c (free_bb_for_insn): Ditto.
11413 * passes.c (execute_one_pass): Run additional
11414 todos returned by execute function.
11415 * tree-pass.h (struct tree_opt_pass): Make execute
11418 2006-03-02 Richard Guenther <rguenther@suse.de>
11420 * tree-ssa-alias.c (find_used_portions): Consider taking
11421 the address as making the variable not write-only.
11423 2006-03-02 Nick Clifton <nickc@redhat.com>
11425 * config.gcc (default_use_cxa_atexit): Extend the description of
11426 this configure variable. Set its default value to "yes" for
11427 Linux, NetBSD and ELF targets on the assumption that they will
11428 use C libraries with the __cxa_atexit function.
11430 2006-03-02 Ben Elliston <bje@au.ibm.com>
11432 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11433 parameter as unused to suppress a build warning.
11435 2006-03-02 Ben Elliston <bje@au.ibm.com>
11437 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11440 2006-03-01 Roger Sayle <roger@eyesopen.com>
11443 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11444 declared name, the weak reference name, and the typeof name.
11445 (__gthrw): Avoid expanding the declared name suffix.
11446 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11448 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11450 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11452 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11453 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11454 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11455 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11456 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11457 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11458 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11459 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11460 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11461 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11462 (DW_END_default, DW_END_big, DW_END_little): New.
11463 (DW_END_lo_user, DW_END_hi_user): Define.
11464 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11465 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11466 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11469 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11471 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11473 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11475 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11477 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11479 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11480 to 'symbol_mem_tag'.
11482 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11485 2006-03-01 Roger Sayle <roger@eyesopen.com>
11487 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11489 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11492 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11493 MACHO_DYNAMIC_NO_PIC_P.
11494 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11496 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11499 * config/darwin-protos.h (darwin_asm_output_anchor):
11501 * config/darwin-sections.def (cstring_section):
11502 Add SECTION_MERGE to the flags.
11503 (literal4_section): Likewise.
11504 (literal8_section): Likewise.
11505 (objc_selector_refs_section): Likewise.
11506 (objc_cls_refs_section): Likewise.
11507 * config/darwin.c (darwin_asm_output_anchor): New
11509 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11511 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11513 Fix PR tree-optimization/26443
11514 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11515 to todo and PROP_tmt_usage to properties_destroyed.
11516 * tree-ssa-ccp.c (pass_ccp): Ditto.
11517 (pass_store_ccp): Ditto.
11518 * tree-ssa-dom.c (pass_dominator): Ditto.
11520 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11522 * tree-ssa-operands.c: Cleanup whitespace.
11523 (get_asm_expr_operands): Move before first invocation.
11524 (get_indirect_ref_operands): Likewise.
11525 (get_tmr_operands): Likewise.
11526 (get_call_expr_operands): Likewise.
11527 (append_def): Likewise.
11528 (append_use): Likewise.
11529 (append_v_may_def): Likewise.
11530 (append_v_must_def): Likewise.
11531 (add_call_clobber_ops): Likewise.
11532 (add_call_read_ops): Likewise.
11533 (add_stmt_operand): Likewise.
11534 (add_virtual_operand): Likewise.
11535 (build_ssa_operands): Likewise.
11537 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11539 PR middle-end/26022
11541 PR middle-end/24437
11542 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11543 with a call expr to ...
11544 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11546 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11548 * tree-vrp.c (extract_range_from_assert): Remove special
11549 handling for types with super-types.
11551 2006-03-01 Ben Elliston <bje@au.ibm.com>
11553 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11554 and powerpc64-*-linux* configurations.
11555 * config/t-dfprules: New file.
11557 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11558 Compile dfp-bit.c from the source directory using -DWIDTH and
11559 $DFP_CFLAGS to control the compilation of that file, rather than
11560 generating width-specific versions in the build directory.
11561 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11562 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11564 2006-02-28 Zack Weinberg <zackw@panix.com>
11566 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11569 2006-02-28 Eric Christopher <echristo@apple.com>
11571 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11572 Set up IN_LIBGCC definition of TARGET_64BIT.
11573 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11575 2006-02-28 Roger Sayle <roger@eyesopen.com>
11577 PR middle-end/14752
11578 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11579 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11580 cases via the construction of "expr != 0".
11582 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11584 * alias.c (alias_invariant, alias_invariant_size): Remove.
11585 (record_base_value): Remove.
11586 (memrefs_conflict_p): Don't look at alias_invariant.
11587 (end_alias_analysis): Don't free it.
11588 * alias.h (record_base_value): Remove prototype.
11590 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11591 Adam Nemet <anemet@caviumnetworks.com>
11593 * rtl.h (truncated_to_mode): Declare it.
11594 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11595 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11596 (RTL_HOOKS_INITIALIZER): Include it.
11597 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11598 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11599 reg_truncated_to_mode.
11600 * rtlanal.c (truncated_to_mode): Define it.
11601 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11603 2006-02-28 Jeff Law <law@redhat.com>
11605 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11606 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11607 the range allowed by TYPE_PRECISION.
11609 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11611 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11613 PR tree-optimization/26419
11614 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11617 2006-02-27 Zack Weinberg <zackw@panix.com>
11619 * doc/md.texi: Fix typo in previous change.
11621 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11625 2006-02-27 Zack Weinberg <zackw@panix.com>
11627 * rtl.def (define_constraint, define_register_constraint)
11628 (define_memory_constraint, define_address_constraint): New MD forms.
11629 * gensupport.c (process_rtx): Put define_constraint etc on the
11631 * genpreds.c (process_define_predicate): Adjust comment. Validate
11632 the name, and call validate_exp to validate the expression.
11633 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11634 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11635 all callers changed.
11636 (validate_exp, needs_variable, struct constraint_data)
11637 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11638 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11639 (const_dbl_constraints, constraint_max_namelen)
11640 (have_register_constraints, have_memory_constraints)
11641 (have_address_constraints, have_address_constraints)
11642 (have_extra_constraints, have_const_int_constraints)
11643 (have_const_dbl_constraints, mangle, add_constraint)
11644 (process_define_constraint, process_define_register_constraint)
11645 (write_enum_constraint_num, write_lookup_constraint)
11646 (write_insn_constraint_len, write_regclass_for_constraint)
11647 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11648 (write_insn_extra_memory_constraint)
11649 (write_insn_extra_address_constraint)
11650 (write_satisfies_constraint_fns): New.
11651 (write_tm_preds_h): If we have new-style constraint definitions,
11652 prototype the functions generated from them, and define the
11653 old constraint interface (still used by generic code) in terms of
11655 (write_insn_preds_c): If we have new-style constraint definitions,
11656 generate all relevant functions from those definitions.
11657 (main): Handle define_constraint etc.
11658 * genoutput.c (struct constraint_data, indep_constraints)
11659 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11660 (mdep_constraint_len): New data structures and functions, defined
11661 #ifdef USE_MD_CONSTRAINTS.
11662 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11663 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11664 use new logic to validate operand constraints against constraint
11666 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11668 * defaults.h: If none of the old-style constraint macros are
11669 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11670 old-style macros; and poison REG_CLASS_FROM_LETTER,
11671 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11673 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11674 * doc/md.texi: Document new constraint-definition mechanism and the
11675 C interface it provides. Remove references to old mechanism
11676 elsewhere in the document.
11677 (Machine Constraints): Use pathnames relative to gcc directory,
11678 i.e. config/ARCH/FILE. Change i386 section to refer to
11679 config/i386/predicates.md; update that section to match docstrings.
11680 * doc/tm.texi: Move all documentation of the old constraint-
11681 definition macros to their own section, clearly mark as obsolete.
11683 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11684 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11686 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11687 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11688 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11689 constraint strings.
11690 (splits and peepholes): Use satisfies_constraint_*.
11691 * config/i386/i386.c (memory_address_length)
11692 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11694 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11696 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11697 scalar operation to be put back into the loop.
11699 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11702 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11703 (extract_cie_info): Handle S flag in augmentation string.
11704 (execute_cfa_program): If context->signal_frame, execute also
11705 fs->pc == context->ra instructions.
11706 (uw_frame_state_for): If context->signal_frame, don't subtract one
11707 from context->ra to find FDE.
11708 (uw_update_context_1): Set context->signal_frame to
11710 (_Unwind_GetIPInfo): New function.
11711 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11712 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11714 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11715 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11716 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11717 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11718 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11719 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11720 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11721 x86_64_fallback_frame_state): Set fs->signal_frame.
11722 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11723 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11724 (frob_update_context): Likewise. Workaround missing S flag in
11725 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11726 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11727 Remove the psw_addr + 1 hack.
11729 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11731 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11732 with aggregates here.
11733 (find_func_aliases): Remove code for &<aggregate> from here.
11735 2006-02-26 Roger Sayle <roger@eyesopen.com>
11737 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11738 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11739 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11740 as (X & C) ne/eq 0.
11742 2006-02-26 Roger Sayle <roger@eyesopen.com>
11744 PR middle-end/19983
11745 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11747 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11749 * opts.c (decode_options): Do not handle flag_strength_reduce.
11750 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11751 and OPT_fstrength_reduce.
11752 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11753 flag_prefetch_loop_arrays for being nonzero.
11754 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11756 (fprefetch-loop-arrays-rtl): Removed.
11757 (flag_prefetch_loop_arrays): Do not specify the value.
11759 * doc/passes.texi: Update documentation of loop optimizer
11761 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11762 -frerun-loop-opt): Remove.
11764 2006-02-26 Richard Guenther <rguenther@suse.de>
11766 PR tree-optimization/26421
11767 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11768 in function calls that are ADDR_EXPRs as using the whole structure.
11770 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11772 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11773 * tree-pass.h (pass_loop_optimize): Remove.
11774 * passes.c (pass_loop_optimize): Never run it.
11775 * toplev.c (backend_init): Don't call init_loop.
11776 * opts.c (flag_loop_optimize_set): Remove.
11777 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11778 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11779 the old RTL loop optimizer when profiling enabled.
11780 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11781 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11782 pre-headers for the sake of the old RTL loop optimizer.
11783 * Makefile.in: Remove all references to loop.o.
11785 * doc/invoke.texi: Remove all references to -floop-optimize
11786 and -frerun-loop-opt.
11788 2006-02-26 Zack Weinberg <zackw@panix.com>
11790 * doc/md.texi (Machine Constraints): Refer to all files with paths
11791 relative to gcc directory (i.e. config/CPU/file). Add missing
11792 @table @code ... @end table to M32C subsection.
11794 2006-02-26 Roger Sayle <roger@eyesopen.com>
11796 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11798 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11800 2006-02-26 Roger Sayle <roger@eyesopen.com>
11801 James A. Morrison <phython@gcc.gnu.org>
11803 PR middle-end/21137
11804 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11805 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11806 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11807 signedness of the shift operation.
11809 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11811 PR tree-optimization/26359
11812 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11814 2006-02-25 Roger Sayle <roger@eyesopen.com>
11816 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11817 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11818 as X == 0, and some symmetry related transformations.
11819 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11821 2006-02-25 Roger Sayle <roger@eyesopen.com>
11823 PR middle-end/23673
11824 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11825 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11826 symmetry related transformations. Fold (X^C1) == C2 as
11829 2006-02-25 Juergen Weigert <jw@suse.de>
11830 Richard Guenther <rguenther@suse.de>
11832 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11834 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11836 * combine.c (gen_lowpart_or_truncate): Call
11837 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11839 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11841 * doc/invoke.texi: Move -fopenmp description to "Options for
11843 Remove reference to -lgomp.
11845 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11847 * doc/install.texi: Require GNU tar version 1.14.
11849 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11851 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11852 * doc/invoke.texi (C++ Dialect Options): Document
11853 -fno-use-cxa-get-exception-ptr.
11854 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11855 * configure: Regenerate.
11856 * c.opt (fuse-cxa-get-exception-ptr): New.
11857 * c-opts.c (c_common_handle_option): Handle
11858 OPT_fuse_cxa_get_exception_ptr.
11859 * c-common.c (flag_use_cxa_atexit): Update documentation.
11860 (flag_use_cxa_get_exception_ptr): New.
11861 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11862 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11864 (C_COMMON_OVERRIDE_OPTIONS): New.
11866 2006-02-24 Roger Sayle <roger@eyesopen.com>
11868 PR middle-end/24952
11869 * combine.c (try_combine): Explicitly check whether GET_CODE is
11870 a SET or a CLOBBER, instead on checking that it isn't a USE.
11872 2006-02-24 Roger Sayle <roger@eyesopen.com>
11874 * fold-const.c (fold_comparison): New subroutine of fold_binary
11875 containing transformations common to both the equality and
11876 ordering relational operators, factored out of fold_binary.
11877 (fold_binary): Separate out the equality operators (EQ_EXPR
11878 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11879 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11880 transformations common to both.
11881 (fold_div_compare): Fix latent bugs in the previously unreachable
11882 LT_EXPR and GE_EXPR cases.
11884 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11886 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11887 decl libname for clog to __clog on AIX.
11889 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11891 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11894 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11895 output traceback table for thunks. Localise rs6000_stack_info call.
11897 2006-02-23 Roger Sayle <roger@eyesopen.com>
11898 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11900 * gthr-posix.h (__gthrw): Fix typo in comment.
11902 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11904 * doc/cpp.texi (Character sets): Document that we do support
11905 input files to be in any character set.
11907 2006-02-23 Jeff Law <law@redhat.com>
11909 * tree.h (PHI_ARG_NONZERO): Remove.
11910 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11911 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11912 node to the new node.
11914 PR tree-optimization/26425
11915 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11916 min/max, then assume its varying.
11918 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11920 PR rtl-optimization/26316
11921 * rtlanal.c (enum may_trap_p_flags): New.
11922 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11923 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11924 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11925 (may_trap_after_code_motion_p): New function.
11926 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11927 (find_invariant_insn): Use may_trap_after_code_motion_p.
11928 * rtl.h (may_trap_after_code_motion_p): Declare.
11930 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11932 * emit-rtl.c (immed_double_const): Cleanup.
11934 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11936 Fix PR tree-optimization/26376
11937 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11940 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11942 PR middle-end/26412
11943 * gimplify.c (omp_add_variable): Guard variable size decl test with
11944 DECL_SIZE (decl) check.
11946 2006-02-23 Richard Guenther <rguenther@suse.de>
11948 PR middle-end/26439
11949 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11950 like aggregate types.
11952 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11954 * configure.ac: Add --with{,out}-long-double-128 configure option.
11955 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11956 * configure: Rebuilt.
11957 * config.in: Rebuilt.
11958 * doc/install.texi (Options specification): Document
11959 --with-long-double-128.
11961 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11962 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11963 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11964 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11966 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11968 * config/s390/s390.c (override_options): Handle
11969 TARGET_DEFAULT_LONG_DOUBLE_128.
11971 * config/alpha/alpha.c (override_options): Handle
11972 TARGET_DEFAULT_LONG_DOUBLE_128.
11974 * config/sparc/sparc.c (sparc_override_options): Handle
11975 TARGET_DEFAULT_LONG_DOUBLE_128.
11977 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11979 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11980 (real-install-headers-tar, real-install-headers-cpio)
11981 (real-install-headers-cp): New targets.
11983 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11985 * tree.h (variable_section): Delete.
11986 * varasm.c (variable_section): Delete.
11988 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11990 * install.texi: Add notes on install.texi2html.
11991 (Building in parallel): Do not use footnotes.
11993 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11996 * doc/install.texi (Configuration): Document --disable-libgomp.
11998 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12000 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12002 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12004 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12005 (vec_extractv2df_0_sse): New.
12007 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12009 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12010 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12011 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12012 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12013 to the result of the expression.
12014 (def_cfa_1): Adjust.
12015 (frame_pointer_cfa_offset): Rename to...
12016 (frame_pointer_fb_offset): ... this. Adjust all uses.
12017 (convert_cfa_to_loc_list): Rename to...
12018 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12019 Pass it on to build_cfa_loc.
12020 (compute_frame_pointer_to_cfa_displacement): Rename to...
12021 (compute_frame_pointer_to_fb_displacement): ... this. New
12022 offset parameter. Use it in computation.
12023 (gen_subprogram_die): Compute cfa_fb_offset with the new
12024 macro, and use it to compute the fb loc list and the
12027 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12029 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12030 replaced with register_operand.
12031 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12032 non-DREG is expensive.
12033 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12034 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12037 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12039 * doc/install.texi2html: Use set -e.
12041 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12043 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12044 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12045 * doc/invoke.texi (-fshared-data): Delete.
12046 * common.opt (fshared-data): Delete.
12047 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12048 (assemble_static_space): Remove #if 0 code.
12049 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12050 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12051 * config/cris/cris.h: Remove FIXME.
12053 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12055 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12058 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12060 PR middle-end/26379
12061 * combine.c (simplify_shift_const_1): Disable nested shifts
12062 optimization for vector shifts.
12064 2006-02-20 Roger Sayle <roger@eyesopen.com>
12066 PR tree-optimization/26361
12067 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12068 of unsigned integer types.
12070 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12072 * tree-chrec.c (eq_evolutions_p): New.
12073 * tree-chrec.h (eq_evolutions_p): Declared.
12074 * tree-data-ref.c: Fix formatting.
12075 (datadep_stats, dependence_stats): New.
12077 (print_direction_vector): New.
12078 (dump_data_dependence_relation): Use print_direction_vector.
12079 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12080 (compute_subscript_distance): Static.
12081 (initialize_data_dependence_relation): Static. Get the number
12082 of loops surrounding the references from the callers, and initialize
12083 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12084 base_object_differ_p analyzers.
12085 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12086 compute_overlap_steps_for_affine_1_2,
12087 analyze_subscript_affine_affine): Count the classified dependences.
12088 Print a message when a test failed.
12089 (can_use_analyze_subscript_affine_affine): New.
12090 (analyze_siv_subscript): Compute the data dependences on symbolic
12091 scevs that verify can_use_analyze_subscript_affine_affine.
12092 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12093 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12094 Handle symbolic scevs.
12095 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12097 (subscript_dependence_tester): Moved...
12098 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12099 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12100 DDR_SIZE_VECT instead of getting it in parameter.
12101 (subscript_dependence_tester): ... here. Take as a parameter
12102 loop_nest_depth. Call build_classic_dist_vector and
12103 build_classic_dir_vector.
12104 (compute_affine_dependence): Update subscript_dependence_tester
12105 parameters. Update datadep_stats counters. Call
12106 compute_subscript_distance.
12107 (compute_self_dependence): Save the dist and dir vectors. Call
12108 compute_subscript_distance.
12109 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12110 (compute_all_dependences): Reorder parameters as they were before
12111 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12112 compute_subscript_distance. Update the use of
12113 compute_affine_dependence and initialize_data_dependence_relation.
12114 (find_data_references_in_loop): Handle COMPONENT_REF.
12115 (compute_data_dependences_for_loop): Initialize dependence_stats.
12116 Don't call build_classic_dist_vector and build_classic_dir_vector.
12117 Update the parameters of initialize_data_dependence_relation and
12118 compute_all_dependences. Print the statistics from datadep_stats.
12119 (analyze_all_data_dependences): Static. Not used until the pass for
12120 checking the data dependences is contributed.
12121 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12122 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12123 (initialize_data_dependence_relation, compute_affine_dependence,
12124 analyze_all_data_dependences, compute_subscript_distance): Removed.
12125 (print_direction_vector): New.
12126 * lambda.h (gcd): ... here.
12127 (lambda_vector_gcd): Moved here from gcd_vector.
12128 * lambda-code.c (gcd, gcd_vector): Removed.
12129 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12130 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12132 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12134 * ipa-type-escape.c: Tidy some comments and white space.
12135 * tree-ssa-operands.c: Likewise.
12137 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12140 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12141 (dump_decl_name): Do not walk the decl tree chains.
12142 * tree-pass.h (TDF_CHAIN): Remove.
12144 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12146 * Makefile.in (C): Remove
12148 (.PHONY): Remove C and PROTO
12150 2006-02-20 Roger Sayle <roger@eyesopen.com>
12152 PR middle-end/26236
12153 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12154 deprecated CHAR_TYPE tree code.
12156 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12158 * configure.ac (target_list): Add install-info, dvi, html.
12159 * configure: Regenerate.
12161 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12162 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12163 treelang/Make-lang.in: Do not use double-colon rules.
12165 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12167 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12168 (TMT_USED_ALONE): New macro.
12169 * tree-pass.h (PROP_tmt_usage): New property.
12170 (TODO_update_tmt_usage): New todo.
12171 * tree-ssa-alias.c (updating_used_alone): New variable.
12172 (recalculate_used_alone): New function.
12173 (compute_may_aliases): Set updating_used_alone, call
12174 recalculate_used_alone.
12175 * tree-sra.c (pass_sra): Note that this pass destroys
12176 PROP_tmt_usage, and add TODO_update_tmt_usage.
12177 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12178 * tree-flow.h (updating_used_alone): Prototype.
12179 (recalculate_used_alone): Ditto.
12180 * passes.c (execute_todo): Add code to set updating_used_alone,
12181 and call recalculate.
12182 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12183 for clobber if used alone, and add assert to verify used_alone
12186 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12188 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12189 for non tls symbols added.
12190 (legitimize_address): Do nothing for PLUS expressions if one of the
12191 addends is a tls symbol reference.
12193 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12197 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12199 * Makefile.in (BOOTSTRAPPING): New.
12200 (quickstrap): New definition if BOOTSTRAPPING=yes.
12202 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12203 * configure.ac: Substitute all_selected_languages with the languages
12204 that were configured. For all the other variables except
12205 lang_specs_files, include all the languages in the tree.
12206 * configure: Regenerate.
12208 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12209 if there is one. Run the commands to run fixincludes in the same
12212 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12213 * doc/install.texi: Document exact conventions for searching target tools.
12214 Document --with-build-time-tools. Document toplevel bootstrap. Document
12215 something more about building an Ada cross-compiler. Don't list GNU Make
12216 requirements which affect all platforms.
12218 2006-02-19 Roger Sayle <roger@eyesopen.com>
12220 PR middle-end/19543
12221 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12222 only equivalent if the have both the same mode and precision.
12224 2006-02-20 Ben Elliston <bje@au.ibm.com>
12226 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12228 2006-02-19 Roger Sayle <roger@eyesopen.com>
12229 Steven Bosscher <stevenb.gcc@gmail.com>
12231 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12232 constant pool references to identify stack mode constants.
12233 * rtlanal.c (constant_pool_constant_p): New predicate to check
12234 whether operand is a floating point constant in the pool.
12235 * rtl.h (constant_pool_constant_p): Prototype here.
12236 * loop.c (scan_loop): Avoid hoisting constants from the constant
12237 pool on STACK_REGS targets.
12238 (load_mems): Likewise.
12239 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12240 loads into x87 registers expensive in terms of register pressure.
12242 2006-02-19 Roger Sayle <roger@eyesopen.com>
12244 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12245 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12247 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12249 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12250 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12252 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12254 * doc/invoke.texi: Document -fipa-pta.
12255 * common.opt: Add ipa-pta option.
12256 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12257 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12258 (do_ds_constraint): Ditto.
12259 (get_constraint_for): Only add to referenced_vars if
12260 referenced_vars exists.
12261 (insert_into_field_list): Rewrite to do this unsorted.
12262 (insert_into_field_list_sorted): Rename old insert_into_field_list
12264 (create_function_info_for): Use insert_into_field_list_sorted.
12265 (create_variable_info_for): Rewrite so it uses unsorted version,
12266 since the field list is sorted.
12267 (intra_create_variable_infos): Only add to referenced_vars if
12268 referenced_vars exists.
12269 (ipa_pta_execute): Init heapvars, and delete when done.
12270 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12272 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12274 * doc/install.texi: Add missing `@samp'.
12276 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12278 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12281 2006-02-18 Mark Wielaard <mark@klomp.org>
12283 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12284 who added new 4.1 features, bug fixes and integration support.
12286 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12289 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12290 MEM for ABI_V4 pic.
12292 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12294 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12295 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12296 (copy_insn_1): Likewise. Don't copy each field individually.
12298 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12300 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12301 * rtl.c (rtx_size): Rename variable to...
12302 (rtx_code_size): ...this.
12303 (rtx_size): New function.
12304 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12305 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12307 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12308 * rtl.h (rtx_code_size): New variable.
12309 (rtx_size): Change from a variable to a function.
12310 (RTX_SIZE): Rename to...
12311 (RTX_CODE_SIZE): ...this.
12314 PR tree-optimization/17106
12315 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12316 (Anchored Addresses): New section.
12317 * doc/invoke.texi (-fsection-anchors): Document.
12318 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12319 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12320 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12321 * hooks.c (hook_bool_mode_rtx_false): New function.
12322 * hooks.h (hook_bool_mode_rtx_false): Declare.
12323 * gengtype.c (create_optional_field): New function.
12324 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12325 SYMBOL_REF_IN_BLOCK_P is true.
12326 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12327 (min_anchor_offset, max_anchor_offset): Likewise.
12328 (use_anchors_for_symbol_p): New hook.
12329 * toplev.c (compile_file): Call output_object_blocks.
12330 (target_supports_section_anchors_p): New function.
12331 (process_options): Check that -fsection-anchors is only used on
12332 targets that support it and when -funit-at-a-time is in effect.
12333 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12334 if the decl doesn't have one.
12335 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12336 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12337 of force_const_mem through use_anchored_address.
12338 (expand_expr_constant): New function.
12339 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12340 calling expand_expr for INDIRECT_REF.
12341 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12342 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12343 * expr.h (use_anchored_address): Declare.
12344 * loop-unroll.c: Don't declare rtx vectors here.
12345 * explow.c: Include output.h.
12346 (validize_mem): Call use_anchored_address.
12347 (use_anchored_address): New function.
12348 * common.opt (-fsection-anchors): New switch.
12349 * varasm.c (object_block_htab, anchor_labelno): New variables.
12350 (hash_section, object_block_entry_eq, object_block_entry_hash)
12351 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12352 (use_blocks_for_decl_p, change_symbol_section): New functions.
12353 (get_variable_section): New function, split out from assemble_variable.
12354 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12355 use_blocks_for_decl_p say so. Use change_symbol_section if the
12356 symbol has already been created.
12357 (assemble_variable_contents): New function, split out from...
12358 (assemble_variable): ...here. Don't output any code for
12359 block symbols; just pass them to place_block_symbol.
12360 Use get_variable_section and assemble_variable_contents.
12361 (get_constant_alignment, get_constant_section, get_constant_size): New
12362 functions, split from output_constant_def_contents.
12363 (build_constant_desc): Create a block symbol if use_object_blocks_p
12364 says so. Or into SYMBOL_REF_FLAGS.
12365 (assemble_constant_contents): New function, split from...
12366 (output_constant_def_contents): ...here. Don't output any code
12367 for block symbols; just pass them to place_section_symbol.
12368 Use get_constant_section and get_constant_alignment.
12369 (force_const_mem): Create a block symbol if use_object_blocks_p and
12370 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12371 (output_constant_pool_1): Add an explicit alignment argument.
12372 Don't switch sections here.
12373 (output_constant_pool): Adjust call to output_constant_pool_1.
12374 Switch sections here instead. Don't output anything for block symbols;
12375 just pass them to place_block_symbol.
12376 (init_varasm_once): Initialize object_block_htab.
12377 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12378 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12379 (place_block_symbol, get_section_anchor, output_object_block)
12380 (output_object_block_htab, output_object_blocks): New functions.
12381 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12382 (TARGET_ASM_OUT): Include it.
12383 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12384 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12385 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12386 (TARGET_INITIALIZER): Include them.
12387 * rtl.c (rtl_check_failed_block_symbol): New function.
12388 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12389 (block_symbol, object_block): New structures.
12390 (rtx_def): Add a block_symbol field to the union.
12391 (BLOCK_SYMBOL_CHECK): New macro.
12392 (rtl_check_failed_block_symbol): Declare.
12393 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12394 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12395 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12396 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12397 * output.h (output_section_symbols): Declare.
12398 (object_block): Name structure.
12399 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12400 (default_use_anchors_for_symbol_p): Declare.
12401 * Makefile.in (RTL_BASE_H): Add vec.h.
12402 (explow.o): Depend on output.h.
12403 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12404 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12405 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12406 (rs6000_use_blocks_for_constant_p): New function.
12408 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12410 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12412 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12415 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12418 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12420 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12424 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12426 PR middle-end/26334
12427 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12428 instead of DECL_REGISTER.
12430 2006-02-18 Olivier Hainque <hainque@adacore.com>
12433 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12435 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12438 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12439 * opth-gen.awk: Handle Var and InverseMask together.
12440 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12441 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12442 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12443 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12445 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12446 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12447 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12448 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12449 LINUX_DYNAMIC_LINKER): Define.
12450 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12451 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12453 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12454 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12455 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12456 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12457 (TARGET_C99_FUNCTIONS): Don't define.
12458 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12459 GLIBC_DYNAMIC_LINKER.
12460 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12461 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12462 GLIBC_DYNAMIC_LINKER64): Define.
12463 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12464 LINUX_DYNAMIC_LINKER64.
12465 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12466 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12467 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12468 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12469 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12470 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12471 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12472 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12473 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12474 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12475 and LINUX_DYNAMIC_LINKER32.
12476 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12477 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12478 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12479 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12480 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12482 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12483 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12484 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12485 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12486 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12487 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12488 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12489 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12490 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12491 LINUX_DYNAMIC_LINKER): Define.
12492 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12493 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12494 GLIBC_DYNAMIC_LINKER64): Define.
12495 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12496 LINUX_DYNAMIC_LINKER64.
12497 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12498 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12499 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12500 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12501 LINUX_DYNAMIC_LINKER): Define.
12502 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12503 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12504 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12505 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12506 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12507 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12508 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12509 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12510 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12511 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12512 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12513 * doc/invoke.texi (-muclibc): Remove caveat about supported
12516 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12518 * doc/cpp.texi (__TIMESTAMP__): Document.
12520 2006-02-17 Roger Sayle <roger@eyesopen.com>
12522 PR middle-end/25600
12523 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12524 C is one less than the width of X (and related transformations).
12525 * simplify-rtx.c (simplify_unary_operation_1): Transform
12526 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12527 depending on STORE_FLAG_VALUE, were C is one less then the
12530 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12532 Fix PR tree-optimization/26341
12533 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12534 about NAME_MEMORY_TAG's.
12536 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12539 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12540 with hardware float support, and software float support. Add fcpy
12541 alternative to hardware patterns. Add alternatives to copy between
12542 general and floating-point registers to the 32-bit pattern.
12543 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12544 secondary reload to load a QI or HI mode constant into a floating
12546 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12547 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12549 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12552 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12554 (load_macho_picbase_di): Likewise.
12556 2006-02-16 Jeff Law <law@redhat.com>
12558 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12559 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12560 (ssa_name_nonzero_p): Likewise.
12561 (get_value_range): Return NULL if VRP is not running.
12562 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12563 VRP routines do not discover a range.
12564 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12565 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12566 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12567 (tree_expr_nonnegative_p): Similarly.
12568 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12569 (restore_nonzero_vars_to_original_value): Remove.
12570 (unsafe_associative_fp_binop): Remove.
12571 (tree_ssa_dominator_optimize): Remove initialization and
12572 finalization of nonzero_vars and nonzero_vars_stack.
12573 (dom_opt_initialize_block): No longer push marker on
12574 nonzero_vars_stack.
12575 (dom_opt_finalize_block): No longer call
12576 restore_nonzero_vars_to_original_value.
12577 (record_equivalences_from_phis): No longer look for
12578 nonzero PHI arguments.
12579 (cprop_into_successor_phis): No longer propagate nonzero
12580 property into PHI arguments. Lose unused argument. Caller
12582 (record_equivalences_from_stmt): No longer record nonzero
12583 values for SSA_NAMEs.
12584 (lookup_avail_expr): No longer use nonzero_vars.
12586 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12587 for sizetype when sizetype is unsigned.
12589 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12591 PR rtl-optimization/25603
12592 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12593 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12594 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12595 with new meaning of SETS.
12597 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12602 * config/linux.opt: New file.
12603 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12604 LINUX_DYNAMIC_LINKER): Define.
12605 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12606 * config.gcc (*-*-linux*): Define extra_options.
12607 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12608 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12609 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12610 GLIBC_DYNAMIC_LINKER.
12611 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12612 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12613 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12614 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12615 * doc/invoke.texi (GNU/Linux Options): New section.
12617 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12619 * config/sparc/sparc.md (setjmp): Rewrite.
12620 (setjmp_32): Delete.
12621 (setjmp_64): Likewise.
12623 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12625 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12628 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12630 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12633 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12635 PR rtl-optimization/26296
12636 * Makefile.in (loop-invariant.c): Add except.h dependency.
12637 * loop-invariant.c: Include except.h.
12638 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12640 2005-02-16 Paul Brook <paul@codesourcery.com>
12642 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12645 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12647 PR rtl-optimization/25636
12648 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12649 when deciding whether an insn is an initializing insn.
12651 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12653 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12654 (tree_code_size): Ditto.
12655 * tree.h (struct tree_memory_tag): Remove parent_var.
12656 (struct tree_struct_field_tag): New.
12659 (union tree_node): Add sft member.
12660 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12662 (create_sft): Add size and offset argument, set SFT_OFFSET and
12664 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12665 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12666 * tree-flow-inline.h (get_subvar_at): Update for
12667 SFT_OFFSET/SFT_SIZE.
12668 (var_can_have_subvars): Ditto.
12669 (overlap_subvar): Ditto.
12670 * print-tree.c (print_node): Print out interesting things for
12672 * tree-flow.h (struct subvar): Remove offset and size members.
12673 * tree-ssa-operands.c (get_expr_operands): Update for
12674 get_indirect_ref_operands changes.
12675 (get_indirect_ref_operands): Call add_virtual_operand instead of
12676 add_stmt_operand. Only recurse on base var if requested.
12677 (access_can_touch_variable): New function.
12678 (add_stmt_operand): Split virtual operand handling into ...
12679 (add_virtual_operand): Here. Add offset, size, and for_clobber
12680 arguments. Prune alias sets.
12681 (add_call_clobber_ops): Call add_virtual_operand.
12683 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12685 PR middle-end/26300
12686 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12688 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12689 than TREE_CODE as index into omp_clause_num_ops array.
12691 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12693 PR rtl-optimization/26184
12694 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12696 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12697 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12698 must_precede, must_follow and tobe_scheduled.
12701 * opts.c (common_handle_option): Free new_option pointer.
12702 * df-core.c (df_analyze): Free postorder pointer.
12704 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12706 * Makefile.in: Fix the examples about the use of stamps
12708 2006-02-15 Michael Matz <matz@suse.de>
12710 PR middle-end/22275
12712 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12713 influenced by maximum_field_alignment or DECL_PACKED.
12714 (update_alignment_for_field): Ditto.
12715 (place_field): Ditto.
12716 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12719 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12721 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12722 (debug_flow_info): Pass it.
12723 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12724 * bb-reorder.c (reorder_basic_blocks): Likewise.
12725 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12726 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12727 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12728 * gcse.c (gcse_main, bypass_jumps): Likewise.
12729 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12730 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12731 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12732 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12733 * rtl.h (dump_flow_info): Adjust prototype.
12734 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12735 * var-tracking.c (variable_tracking_main): Likewise.
12736 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12737 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12740 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12742 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12745 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12747 PR tree-optimization/26209
12748 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12749 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12751 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12753 2006-02-14 Roger Sayle <roger@eyesopen.com>
12755 PR middle-end/23670
12756 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12757 (X,Y) and the corresponding symmetry related transformations.
12758 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12759 (X,Y) and its symmetry related transformations.
12761 2006-02-14 Roger Sayle <roger@eyesopen.com>
12763 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12766 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12768 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12770 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12773 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12774 support COMDAT group.
12775 * configure: Regenerate.
12777 2006-02-14 Roger Sayle <roger@eyesopen.com>
12779 PR middle-end/26279
12780 PR middle-end/26280
12781 PR middle-end/26283
12782 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12784 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12786 Fix PR tree-optimization/26260
12788 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12790 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12791 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12792 * tree-ssa-structalias.c (create_variable_info_for): Use
12793 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12795 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12797 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12799 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12800 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12801 of the ending condition.
12802 * tree-ssa-loop-manip.c: Include params.h.
12803 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12804 tree_unroll_loop): New functions.
12805 * tree-pass.h (pass_loop_prefetch): Declare.
12806 * loop.c (rest_of_handle_loop_optimize): Test for
12807 -fprefetch-loop-arrays-rtl.
12808 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12809 * timevar.def (TV_TREE_PREFETCH): New timevar.
12810 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12811 pass_loop_prefetch): New.
12812 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12813 (cleanup_tree_cfg_loop): Call scev_reset.
12814 * common.opt (fprefetch-loop-arrays-rtl): Add.
12815 * tree-ssa-loop-prefetch.c: New file.
12816 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12817 (new_temp_expr_table): Initialize expr_vars.
12818 (free_temp_expr_table): Cleanup expr_vars.
12819 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12820 expressions from being merged into one.
12821 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12822 (struct tree_niter_desc): Add control, bound and cmp fields.
12823 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12825 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12826 (tree-cfgcleanup.o): Add SCEV_H dependency.
12827 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12828 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12830 2006-02-14 Richard Guenther <rguenther@suse.de>
12832 PR tree-optimization/26258
12833 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12834 in PHI argument processing.
12836 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12838 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12839 new expression in the requested machine mode.
12841 2006-02-13 Roger Sayle <roger@eyesopen.com>
12843 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12844 directly, instead let do_compare_rtx_and_jump handle this for us.
12845 * expr.c (expand_expr_real_1): Likewise.
12846 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12847 before do_jump_by_parts_greater.
12848 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12849 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12851 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12853 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12855 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12857 PR rtl-optimization/26235
12858 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12859 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12862 2006-02-13 Jeff Law <law@redhat.com>
12864 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12867 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12869 PR middle-end/26092
12870 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12871 twice if decl is a builtin. When trying again, call get_callee_fndecl
12872 first to verify it is still a builtin.
12874 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12876 * dwarf2out.c (base_type_die): Don't add AT_name here.
12877 (subrange_type_die): Don't add AT_name here.
12878 (modified_type_die): Rearrange code flow. Do add AT_name here.
12880 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12882 PR rtl-optimization/26247
12883 PR rtl-optimization/26248
12884 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12886 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12888 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12889 * config/fixtfdi.c: Likewise.
12890 * config/fixunstfdi.c: Likewise.
12891 * config/floatditf.c: Likewise.
12893 2006-02-13 Roger Sayle <roger@eyesopen.com>
12895 PR middle-end/24427
12896 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12897 into (X,C2) if C1 is a subset of the bits of C2. Transform
12898 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12900 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12902 2006-02-13 Josh Conner <jconner@apple.com>
12905 * varasm.c (function_section): Check for section name before
12906 calling select_section on targets that define
12907 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12908 unlikely_text_section instead of hot_function_section if
12909 first_function_block_is_cold.
12911 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12913 PR middle-end/25335
12914 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12916 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12918 PR rtl-optimization/26222
12919 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12920 after tree->rtl expansion.
12921 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12922 before passing it to emit_move_insn.
12924 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12926 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12928 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12929 Clarify documentation.
12930 * c-common.h (warn_write_strings): Remove.
12931 * c-common.c (warn_write_strings): Likewise.
12932 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12935 2006-02-12 Roger Sayle <roger@eyesopen.com>
12937 PR middle-end/25724
12938 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12939 (do_jump_parts_zero_rtx): New function renamed from
12940 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12941 (do_jump_parts_equality_rtx): New function split out from
12942 do_jump_parts_equality. Old implementation renamed as above.
12943 Call do_jump_parts_zero_rtx if either operand is zero.
12944 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12945 do all of the heavy lifting.
12946 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12947 calling either do_jump_by_parts_greater_rtx or
12948 do_jump_by_parts_equality_rtx.
12949 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12950 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12951 moved to do_compare_rtx_and_jump, call it directly.
12952 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12953 mode argument. Call do_compare_rtx_and_jump.
12954 (emit_case_nodes): Update calls to do_jump_if_equal.
12956 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12958 PR rtl-optimization/26225
12959 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12961 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12963 PR rtl-optimization/26232
12964 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12966 2006-02-11 Jason Merrill <jason@redhat.com>
12969 * tree-inline.c (declare_return_variable): Just don't use the
12970 modify target if it's a gimple complex reg and the return slot
12973 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12975 * doc/contrib.texi: Update my entry.
12977 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12979 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12981 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12983 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12986 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12988 * doc/invoke.texi (-floop-optimize2): Removed.
12989 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12990 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12991 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12992 * common.opt (floop-optimize2): Removed.
12993 (fmove-loop-invariants): Enabled by default.
12995 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12997 * tree-if-conv.c (combine_blocks): Free the result of
12998 get_loop_exit_edges.
13000 2006-02-10 Jeff Law <law@redhat.com>
13002 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13004 PR tree-optimization/26213
13005 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13006 loop trying to follow SSA_NAME_VALUE chains.
13008 2006-02-10 Richard Guenther <rguenther@suse.de>
13010 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13011 deal with structures that end in implicitly variable sized arrays.
13013 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13015 PR rtl-optimization/24762
13016 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13019 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13021 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13022 (struct ivopts_data): Add regs_used field.
13023 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13024 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13025 instead of loop_data->regs_used;
13026 (free_loop_data): Do not free aux fields for loops.
13027 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13028 and tree_ssa_iv_optimize_finalize.
13030 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13032 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13034 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13037 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13038 computing the effective result type.
13040 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13042 PR inline-asm/16194
13043 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13044 (tree_overlaps_hard_reg_set): Declare.
13045 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13046 type and signature to match function type expected by walk_tree.
13047 (tree_overlaps_hard_reg_set): New function.
13048 (decl_conflicts_with_clobbers_p): Rename to:
13049 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13050 Use tree_overlaps_hard_reg_set. Changed caller.
13051 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13052 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13053 * cris.c (cris_md_asm_clobbers): Likewise.
13055 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13057 * reload1.c (emit_input_reload_insns): Delete code that tries to
13058 inherit using find_equiv_reg.
13060 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13062 * c-common.h (flag_const_strings): Don't declare.
13063 * c-common.c (flag_const_strings): Remove.
13064 * c.opt (fconst_strings): Remove.
13065 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13066 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13067 (c_common_init_options): Don't set flag_const_strings.
13068 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13070 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13072 * arm.md (tlobits_cbranch): New pattern.
13073 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13074 testing a single bit.
13076 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13079 * tree-ssa-pre.c (create_component_ref_by_pieces):
13080 Handle RETURN_DECL like VAR_DECL.
13082 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13084 PR middle-end/26134
13085 * fold-const.c (fold_indirect_ref_1): Fold
13086 "*(foo *)&complexfoo" to "__real__ complexfoo"
13087 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13089 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13091 * tree-flow-inline.h (var_can_have_subvars):
13092 Volatile variables should not have subvariables.
13094 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13097 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13098 multiplying unsigned values.
13101 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13103 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13105 2006-02-08 Jason Merrill <jason@redhat.com>
13108 * tree.def: Elaborate on difference from MODIFY_EXPR.
13109 * doc/c-tree.texi (INIT_EXPR): Likewise.
13110 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13111 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13112 (gimplify_target_expr): Likewise.
13113 (gimplify_cond_expr): Remove target handling.
13114 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13115 (gimplify_expr): Clobber it here.
13116 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13117 Do return slot optimization if we have an INIT_EXPR.
13120 * tree-inline.c (declare_return_variable): Also clear
13121 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13124 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13126 PR middle-end/22439
13127 * gimplify.c (gimplify_one_sizepos): Fix typo.
13129 2006-02-08 Jeff Law <law@redhat.com>
13131 PR tree-optimization/21417
13132 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13133 across a backedge if the control statement at the end of the
13134 block is data dependent on other statements in the same block.
13135 (record_temporary_equivalences_from_stmts): Remove over-conservative
13136 test for threading across backedges.
13138 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13139 control statement, handle all three special cases in the same
13140 manner as they all have the same desired solution. No longer
13141 special case edge flag updating when the post dominator is
13144 2006-02-08 Roger Sayle <roger@eyesopen.com>
13146 * tree.def (CHAR_TYPE): Remove.
13147 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13148 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13149 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13150 (gen_string_type_die): Delete unreachable function.
13152 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13153 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13154 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13155 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13156 * builtins.c (type_to_class): Likewise.
13157 * fold-const.c (fold_convert, build_range_check,
13158 merge_ranges): Likewise.
13159 * expr.c (count_type_elements): Likewise.
13160 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13161 * stor-layout.c (layout_type): Likewise.
13162 * ipa-type-escape.c (type_to_consider): Likewise.
13163 * gimplify.c (omp_firstprivatize_type_sizes,
13164 gimplify_type_sizes): Likewise.
13165 * explow.c (promote_mode): Likewise.
13166 * tree-sra.c (is_sra_scalar_type): Likewise.
13167 * varasm.c (output_constant): Likewise.
13168 * tree-inline.c (remap_type_1): Likewise.
13169 * convert.c (convert_to_pointer, convert_to_real,
13170 convert_to_integer, convert_to_complex): Likewise.
13172 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13174 * df-scan.c (df_def_record_1): A set destination may
13175 be a parallel regardless of mode.
13177 2006-02-08 Roger Sayle <roger@eyesopen.com>
13180 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13181 * config/mips/_tilib.c: Remove.
13182 * config/fixtfdi.c: New libgcc source file.
13183 * config/fixunstfdi.c: New source file.
13184 * config/floatditf.c: New source file.
13185 * config/floatunditf.c: New souce file.
13186 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13187 files above instead of config/mips/_tilib.c.
13188 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13190 2006-02-08 Jeff Law <law@redhat.com>
13192 PR tree-optimization/26169
13193 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13196 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13198 * df.h (DF_REG_SIZE): Return the length of the initialized
13201 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13203 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13204 __muldf3): Return a correctly signed zero.
13206 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13208 * passes.c (register_one_dump_file): Accept the current properties
13209 instead of pass number. Adjust call to dump_register. Remove
13211 (register_dump_files): Now a wrapper around...
13212 (register_dump_files_1): ... this one. Do not modify the pass
13214 (next_pass_1): Cosmetic fix.
13215 (execute_todo): Keep second parameter only. Use curr_properties
13216 instead of fetching it from the pass structure. Check and set
13218 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13219 instead of fetching it from the pass structure. Fix calls to
13220 execute_todo. Update curr_properties and initialize .vcg RTL dump
13221 after running the pass. Reset last_verified.
13222 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13224 (FIRST_AUTO_NUMBERED_DUMP): New.
13225 (dump_register): Remove "num" parameter, assign it within the
13227 (get_dump_file_name): Modify template for dumps.
13228 * tree-dump.h (dump_register): Adjust prototype.
13229 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13230 (PROP_trees): Add PROP_gimple_lomp.
13231 (TODO_set_props): New.
13232 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13233 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13234 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13236 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13238 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13239 (sparc64-*-linux*): Likewise.
13240 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13241 * config/sparc/t-linux: New file.
13242 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13243 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13244 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13245 -m32 -mlong-double-128.
13247 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13248 * config/alpha/t-linux: New file.
13249 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13251 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13252 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13253 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13254 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13255 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13256 (CPP_ARCH32_SPEC): Remove.
13258 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13260 PR tree-optimization/26145
13261 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13264 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13267 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13268 >= 240000 when generating code for SOM runtime.
13269 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13270 to $$dyncall when generating code for SOM runtime..
13272 2006-02-07 Dirk Mueller <dmueller@suse.com>
13275 * doc/invoke.texi (-Wsequence-point): Update documentation
13276 that -Wsequence-point is implemented for C++ as well.
13278 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13280 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13281 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13282 (LIB_SPEC): Likewise.
13283 * doc/invoke.texi (SPARC options): Document -pthread.
13285 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13287 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13290 2006-02-07 Roger Sayle <roger@eyesopen.com>
13292 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13293 Correct comment describing BOOLEAN_TYPE.
13295 2006-02-07 Dirk Mueller <dmueller@suse.com>
13297 * c.opt: C++ frontend supports -Wdiv-by-zero.
13298 * c-opts.c (c_common_handle_option): Remove dead case.
13300 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13302 * configure.ac (TLS assembler check): Do not enable TLS by
13303 default on SPARC/Solaris before version 10.
13304 * configure: Regenerate.
13306 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13308 * doc/invoke.texi (xl-compat): Document conversion and support
13311 2006-02-07 Jeff Law <law@redhat.com>
13313 * tree-vrp.c (find_conditional_asserts): Update comments.
13314 (simplify_stmt_for_jump_threading): New.
13315 (identify_jump_threads, finalize_jump_threads): New.
13316 (vrp_finalize): Call identify_jump_threads.
13317 (execute_vrp): Call finalize_jump_threads.
13318 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13319 (vrp_element, vrp_data, vrp_element_p): Remove.
13320 (vrp_hash_elt, vrp_variables_stack): Remove.
13321 (vrp_hash, vrp_eq, record_range): Remove.
13322 (simplify_cond_and_lookup_avail_expr): Remove.
13323 (extract_range_from_cond): Remove.
13324 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13325 (simplify_stmt_for_jump_threading): New.
13326 (dom_thread_across_edge): New wrapper.
13327 (tree_ssa_dominator_optimize): No longer initialize or
13328 finalize any of the VRP datastructures. Remove iteration
13329 step and simplify as a result of removal of iteration step.
13330 (pass_dominator): Perform a cfg cleanup after DOM.
13331 (dom_opt_finalize_block): Use the new common routines
13332 for threading jumps. Simplify stack management slightly.
13333 No longer need to unwind VRP state.
13334 (record_equivalences_from_incoming_edge): No longer record
13336 (eliminate_redundant_computations): No longer call
13337 simplify_cond_and_lookup_avail_expr.
13338 * tree-flow.h (potentially_threadable_block): Prototype.
13339 (thread_across_edge): Likewise.
13340 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13341 (tree-ssa-threadedge.o): Add dependencies.
13342 * tree-ssa-threadedge.c: New file.
13343 * passes.c (init_optimization_passes): Merge PHIs before
13344 calling VRP. Run VRP again late in the SSA optimization pipeline.
13346 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13348 * df-core.c (df_set_blocks): Do not dereference function pointers.
13349 (df_finish1): Likewise.
13350 (df_hybrid_search_forward): Likewise.
13351 (df_hybrid_search_backward): Likewise.
13352 (df_iterative_dataflow): Likewise.
13353 (df_analyze_problem): Likewise.
13354 (df_compact_blocks): Likewise.
13355 (df_dump): Likewise.
13356 * df-scan.c (df_rescan_blocks): Likewise.
13357 (df_record_entry_block_defs): Likewise.
13359 * genconditions.c (write_conditions): Guard the definition of
13360 'insn_conditions' with the check on GCC version.
13361 (write_writer): Guard the traversal 'insn_conditions' with
13362 the check on GCC version.
13364 2006-02-07 Richard Guenther <rguenther@suse.de>
13368 2006-01-30 Richard Guenther <rguenther@suse.de>
13370 * gimplify.c (gimplify_target_expr): Handle easy cases
13371 without creating a temporary.
13373 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13375 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13376 use of float in probability computations. Use edge probabilities
13377 in place of statically computed probabilities.
13378 (min_spec_prob): New static variable.
13379 (schedule_insns): Initialize it.
13380 (GET_SRC_PROB): Removed.
13381 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13383 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13386 * config/ia64/unwind-ia64.c: Revert last change.
13387 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13388 (INCOMING_FRAME_SP_OFFSET): Define.
13390 2006-02-06 Roger Sayle <roger@eyesopen.com>
13392 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13394 2006-02-07 Ben Elliston <bje@au.ibm.com>
13396 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13397 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13398 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13399 (ix86_return_in_memory): Handle TDmode.
13400 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13401 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13403 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13405 * reorg.c (dbr_schedule): Use dump_file instead of file.
13407 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13410 * config/ia64/predicates.md (extr_len_operand): New predicate.
13411 * config/ia64/ia64.md (extv): Tighten constraints.
13413 (*tbit_and_2): Ditto.
13414 (*tbit_and_3): Ditto.
13415 (*tbit_or_2): Ditto.
13416 (*tbit_or_3): Ditto.
13417 (*bit_zero): Ditto.
13420 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13423 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13425 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13427 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13428 loop_optimizer_init and loop_optimizer_finalize
13429 * tree-ssa-sink.c (execute_sink_code): Ditto.
13430 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13431 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13432 tree_ssa_loop_done): Ditto.
13433 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13434 * sched-ebb.c: Include output.h.
13435 (schedule_ebbs): Do not use dump argument.
13436 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13437 * loop.c (loop_dump_stream): Removed.
13438 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13440 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13441 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13442 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13443 loop_iterations, strength_reduce, record_biv, record_giv,
13444 final_giv_value, check_final_value, check_ext_dependent_givs,
13445 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13446 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13447 dump_file instead of loop_dump_stream.
13448 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13449 argument dump_file.
13450 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13452 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13453 * haifa-sched.c: Include output.h
13454 (schedule_insns, sched_init): Do not use dump argument.
13455 * mode-switching.c (optimize_mode_switching): Ditto.
13456 * modulo-sched.c (stats_file): Removed.
13457 (print_node_sched_params): Do not call argument dump_file.
13458 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13459 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13461 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13463 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13464 rtl_loop_init, rtl_loop_done): Ditto.
13465 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13466 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13468 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13469 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13470 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13471 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13472 * emit-rtl.c (renumber_insns): Ditto.
13473 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13474 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13475 * regclass.c (regclass): Ditto.
13476 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13477 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13478 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13479 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13481 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13482 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13484 * gcse.c (gcse_file, debug_stderr): Removed.
13485 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13486 rest_of_handle_gcse): Do not use dump argument.
13487 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13488 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13489 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13490 compute_code_hoist_vbeinout, compute_code_hoist_data,
13491 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13492 compute_store_table, build_store_vectors, insert_insn_start_bb,
13493 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13494 store_motion): Use dump_file instead of gcse_file.
13495 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13496 * profile.c (profile_dump_file): Removed.
13497 (branch_prob): Use dump_file instead of profile_dump_file.
13498 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13500 * tree-ssa-copy.c (dump_copy_of): Ditto.
13501 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13502 dump file to life_analysis.
13503 * bt-load.c (branch_target_load_optimize): Ditto.
13504 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13506 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13507 regclass, dbr_schedule): Declaration changed.
13508 * sched-int.h (sched_init): Declaration changed.
13509 * tree-profile.c (tree_profile_dump_file): Removed.
13510 (tree_profile_hooks): Removed profile_dump_file hook.
13511 * rtl-profile (rtl_profile_dump_file): Removed.
13512 (rtl_profile_hooks): emoved profile_dump_file hook.
13513 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13515 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13516 * tree-cfg.c (build_tree_cfg): Ditto.
13517 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13518 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13519 Declaration changed.
13520 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13521 life_analysis and schedule_insns.
13522 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13524 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13526 * config/mips/mips.c (mips_reorg): Ditto.
13527 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13530 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13532 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13533 (s390_mangle_fundamental_type): New.
13534 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13537 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13538 (alpha_mangle_fundamental_type): New.
13539 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13542 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13544 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13546 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13547 (sparc_mangle_fundamental_type): New.
13549 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13551 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13552 (s390x-*-linux*): Likewise.
13553 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13554 * config/s390/t-linux: New file.
13556 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13558 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13559 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13561 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13563 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13564 (ANTIC_SAFE_LOADS): New macro.
13565 (find_or_generate_expression): Add prototype.
13566 (set_contains_value): Allow null set for sake of not always having
13567 to allocate ANTIC_SAFE_LOADS.
13568 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13569 Allow COMPONENT_REF too.
13570 (valid_in_set): Allow COMPONENT_REF.
13571 Check ANTIC_SAFE_LOADS too.
13572 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13573 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13575 (can_PRE_operation): Add COMPONENT_REF.
13576 (create_component_ref_by_pieces): New function.
13577 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13578 (insert_aux): Move AGGREGATE_TYPE_P check here.
13579 (compute_avail): Set bb local stmt uids.
13580 (pass_pre): Use TODO_update_ssa_only_virtuals.
13582 2006-02-06 Ben Elliston <bje@au.ibm.com>
13584 * configure.ac: Unconditionally disable decimal float by default.
13585 * configure: Regenerate.
13587 2006-02-06 Ben Elliston <bje@au.ibm.com>
13589 * read-rtl.c (read_name): Terminate reading on EOF.
13591 2006-02-06 Ben Elliston <bje@au.ibm.com>
13593 * dfp.c (decimal_real_arithmetic): Change second argument type
13594 from int to enum tree_code. Do not always return true, but now
13595 return result of any call to decimal_do helper functions.
13596 * dfp.h (decimal_real_arithmetic): Update prototype.
13598 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13600 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13602 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13605 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13608 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13610 * tree-vrp.c (cfg_loops): Removed.
13611 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13612 Use current_loops instead of cfg_loops. Pass flags to
13613 loop_optimizer_init.
13614 * cfgloopmanip.c (fix_loop_structure): Update only available
13616 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13617 loop_optimizer_init.
13618 * modulo-sched.c (build_loops_structure): Removed.
13619 (sms_schedule): Use loop_optimizer_init.
13620 * loop-init.c (loop_optimizer_init): Use flags to determine
13621 which properties of loops to prepare.
13622 (rtl_loop_init): Pass flags to loop_optimizer_init.
13623 * tree-ssa-sink.c (execute_sink_code): Ditto.
13624 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13625 * tree-ssa-pre.c (init_pre): Ditto.
13626 * cfgloop.h (LOOPS_NORMAL): New.
13627 (loop_optimizer_init): Declaration changed.
13629 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13631 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13632 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13634 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13636 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13638 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13639 * pa/t-pa64: Delete quadlib.c rule.
13640 * pa/x-ada: Revert last change.
13641 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13643 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13645 PR rtl-optimization/26087
13646 * rtlanal.c (canonicalize_condition): Do not cross basic block
13649 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13652 * config/ia64/ia64.c: Include debug.h.
13653 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13654 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13655 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13656 (process_epilogue, process_set, process_for_unwind_directive):
13657 Output unwind info only if requested. Add CFA info if requested.
13658 Add new arguments as needed. Adjust callers.
13659 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13661 (DWARF2_FRAME_INFO): Define to zero.
13662 * config/ia64/unwind-ia64.c: Remove code that compensated for
13663 the CFA offset error fixed above.
13664 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13665 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13666 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13667 -funwind-tables and -fexceptions to enable frame info.
13668 (dwarf2out_frame_init): Define initial CFA even if
13669 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13670 DWARF2_UNWIND_INFO is nonzero, not just defined.
13671 (dwarf2out_frame_finish): Output non-EH call frame info only
13672 if DWARF2_FRAME_INFO is nonzero.
13673 (convert_cfa_to_loc_list,
13674 compute_frame_pointer_to_cfa_displacement): Define even if
13675 unwind info is not supported.
13676 (gen_subprogram_die): Use the above unconditionally. Remove
13677 legacy alternate code.
13678 * toplev.c (compile_file): Compile in call to
13679 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13680 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13682 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13683 Jakub Jelinek <jakub@redhat.com>
13685 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13686 IBM extended float format long double as "g" on powerpc*-linux.
13688 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13691 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13692 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13694 2006-02-03 Jason Merrill <jason@redhat.com>
13697 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13699 PR middle-end/25977
13700 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13701 on the return slot if it's an NRV.
13703 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13705 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13706 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13707 rewrite_use): Do not handle USE_OUTER.
13708 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13709 add_iv_outer_candidates, may_replace_final_value,
13710 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13711 (find_interesting_uses_op): Functionality of
13712 find_interesting_uses_outer_or_nonlin moved here.
13713 (find_interesting_uses_outside): Use find_interesting_uses_op.
13715 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13718 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13720 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13721 Ulrich Weigand <uweigand@de.ibm.com>
13724 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13725 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13726 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13727 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13729 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13730 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13731 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13732 Define secondary reloads for TFmode moves.
13733 (constant_modes): Add TFmode.
13734 (NR_C_MODES): Set to 8.
13735 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13737 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13738 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13739 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13740 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13741 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13742 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13743 (FPR mode macro): Add TFmode.
13744 (DSF mode macro): New.
13745 (<de>, <dee> mode attributes): Removed.
13746 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13747 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13748 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13749 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13750 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13751 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13752 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13753 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13754 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13755 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13756 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13757 "*negabs<mode>2", "sqrt<mode>2"):
13758 Changed <de> to <xde>. R constraint replaced by <Rf>.
13759 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13761 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13762 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13763 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13765 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13766 "extenddftf2", "extendsftf2"): New expanders.
13767 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13768 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13769 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13770 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13772 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13773 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13774 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13775 __floatditf): Add a GCC_4.1.0 symbol version tag.
13776 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13779 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13782 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13783 Use targetm.binds_local_p instead of TREE_PUBLIC.
13785 2006-02-02 Roger Sayle <roger@eyesopen.com>
13787 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13788 on INTEGER_TYPEs to indicate that it denotes a character type.
13789 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13790 signed_char_type_node, unsigned_char_type_node and char_type_node.
13791 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13792 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13793 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13795 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13796 Daniel Berlin <dberlin@dberlin.org>
13798 * tree-tailcall.c (arg_needs_copy_p): New function.
13799 (eliminate_tail_call): Use arg_needs_copy_p.
13800 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13801 (add_virtual_phis): New function.
13803 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13805 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13806 #ignore instead of #scratch for %g7 .register directive.
13808 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13810 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13813 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13815 * flow.c (calculate_global_regs_live): Assert that there aren't any
13818 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13820 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13821 what its name says.
13822 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13823 bsi_after_labels iterator.
13824 * tree-if-conv.c (find_phi_replacement_condition,
13825 replace_phi_with_cond_modify_expr): Likewise.
13826 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13827 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13829 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13831 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13833 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13836 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13837 array after growing it.
13839 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13841 PR middle-end/24901
13842 * fold-const.c (fold_checksum_tree): Change type of buf.
13844 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13846 * reload.c (push_secondary_reload): Initialize t_icode.
13848 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13850 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13851 -msoft-float -mlong-double-128 only issue a warning, but don't
13852 swich to DFmode long double.
13854 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13856 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13857 has a constant equivalent, iterate over equivalents for arg0,
13858 calling simplify_relational_operation and if there's a result
13859 cheaper than X, apply fold_rtx and return the result.
13861 2006-02-01 Jan Hubicka <jh@suse.cz>
13863 * opts.c (no_unit_at_a_time_default): New global variable.
13864 (decode_options): Use it.
13865 * opts.h (no_unit_at_a_time_default): Declare.
13867 2006-02-01 Paul Brook <paul@codesourcery.com>
13869 * function.c (assign_parm_setup_reg): Use function argument promotion
13871 * expr.c (expand_expr_real_1): Use function argument promotion rules
13874 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13876 * gcc.c (process_command): Change j to 'unsigned int'.
13878 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13880 PR middle-end/26001
13881 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13882 Use the corrected index for the character
13883 out of the string constant.
13885 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13887 * mode-switching.c (optimize_mode_switching): Fix size
13888 allocated for bb_info[n_entities].
13890 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13892 * gcc.c (main): Correct type that is allocated for
13893 explicit_link_files.
13895 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13897 * config/s390/s390.c (init_alignment_context): Set
13898 ALIAS_SET_MEMORY_BARRIER on the MEM.
13899 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13901 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13903 PR middle-end/25933
13904 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13906 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13909 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13911 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13912 * regrename.c: Ditto.
13913 * tree-ssa-loop-im.c: Ditto.
13914 * tree-dump.c: Ditto.
13915 * tree-complex.c: Ditto.
13916 * genrecog.c: Ditto.
13917 * tree-ssa-threadupdate.c: Ditto.
13919 * java/class.c: Ditto.
13920 * java/jcf-parse.c: Ditto.
13921 * java/resource.c: Ditto.
13922 * java/except.c: Ditto.
13923 * java/jvspec.c: Ditto.
13924 * java/jcf-write.c: Ditto.
13925 * java/jcf-path.c: Ditto.
13926 * java/gjavah.c: Ditto.
13927 * java/zextract.c: Ditto.
13928 * java/jcf-io.c: Ditto.
13929 * java/jcf.h: Ditto.
13930 * java/buffer.c: Ditto.
13931 * java/lang.c: Ditto.
13932 * java/parse-scan.y: Ditto.
13933 * java/lex.c: Ditto.
13934 * java/lex.h: Ditto.
13935 * cfgloopmanip.c: Ditto.
13936 * postreload-gcse.c: Ditto.
13937 * tree-ssa-loop-manip.c: Ditto.
13938 * postreload.c: Ditto.
13939 * tree-ssa-loop-ch.c: Ditto.
13942 * cppspec.c: Ditto.
13943 * diagnostic.c: Ditto.
13945 * genoutput.c: Ditto.
13947 * cfghooks.c: Ditto.
13948 * cfgloopanal.c: Ditto.
13949 * objc/objc-act.c: Ditto.
13951 * genextract.c: Ditto.
13952 * genautomata.c: Ditto.
13953 * pretty-print.c: Ditto.
13954 * genemit.c: Ditto.
13955 * cgraphunit.c: Ditto.
13957 * df-scan.c: Ditto.
13958 * haifa-sched.c: Ditto.
13959 * dominance.c: Ditto.
13961 * tree-ssa-loop-ivopts.c: Ditto.
13962 * df-core.c: Ditto.
13963 * mode-switching.c: Ditto.
13964 * modulo-sched.c: Ditto.
13966 * ipa-pure-const.c: Ditto.
13968 * fix-header.c: Ditto.
13970 * tree-stdarg.c: Ditto.
13971 * ipa-utils.c: Ditto.
13972 * loop-init.c: Ditto.
13973 * ipa-inline.c: Ditto.
13974 * cfganal.c: Ditto.
13976 * alloc-pool.c: Ditto.
13977 * dwarf2out.c: Ditto.
13979 * genattrtab.c: Ditto.
13980 * tree-ssa-loop-ivcanon.c: Ditto.
13981 * predict.c: Ditto.
13982 * timevar.c: Ditto.
13984 * fortran/gfortranspec.c: Ditto.
13985 * regmove.c: Ditto.
13986 * local-alloc.c: Ditto.
13987 * langhooks.c: Ditto.
13988 * function.c: Ditto.
13989 * tree-vectorizer.c: Ditto.
13991 * ipa-type-escape.c: Ditto.
13993 * tree-if-conv.c: Ditto.
13994 * profile.c: Ditto.
13996 * tree-data-ref.c: Ditto.
13997 * loop-unroll.c: Ditto.
13998 * treelang/treetree.c: Ditto.
14000 * bt-load.c: Ditto.
14001 * ggc-common.c: Ditto.
14003 * coverage.c: Ditto.
14005 * tree-cfgcleanup.c: Ditto.
14006 * tree-ssa-pre.c: Ditto.
14007 * cfgcleanup.c: Ditto.
14008 * loop-invariant.c: Ditto.
14009 * loop-iv.c: Ditto.
14010 * ipa-prop.c: Ditto.
14011 * print-tree.c: Ditto.
14012 * conflict.c: Ditto.
14013 * ggc-page.c: Ditto.
14014 * sched-deps.c: Ditto.
14015 * regclass.c: Ditto.
14016 * tree-object-size.c: Ditto.
14017 * combine.c: Ditto.
14018 * bb-reorder.c: Ditto.
14019 * resource.c: Ditto.
14020 * var-tracking.c: Ditto.
14021 * cfgloop.c: Ditto.
14022 * df-problems.c: Ditto.
14023 * reg-stack.c: Ditto.
14025 * gccspec.c: Ditto.
14026 * sched-rgn.c: Ditto.
14027 * tree-ssa-structalias.c: Ditto.
14028 * tree-ssa-reassoc.c: Ditto.
14029 * config/darwin-c.c: Ditto.
14030 * config/darwin.c: Ditto.
14031 * config/arm/arm.c: Ditto.
14033 * collect2.c: Ditto.
14034 * reload1.c: Ditto.
14036 2006-01-31 Nicolas Pitre <nico@cam.org>
14038 * arm.md (smaxsi3): Make aware of smax_m1.
14041 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14043 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14045 2006-01-31 Richard Guenther <rguenther@suse.de>
14047 * doc/invoke.texi (-msselibm): Document.
14048 * target.h (expand_library_builtin): New target hook.
14049 * builtins.c (expand_builtin): Use expand_library_builtin.
14050 (default_expand_library_builtin): New function.
14051 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14052 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14053 (link_gcc_math_spec): Declare.
14054 (static_specs): Add link_gcc_math_spec.
14055 * expr.h (default_expand_library_builtin): Declare.
14056 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14057 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14058 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14059 * config/i386/i386.opt (msselibm): New target option.
14060 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14061 (ix86_init_sse_abi_builtins): New function.
14062 (ix86_expand_library_builtin): Likewise.
14063 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14064 (override_options): Handle error conditions wrt -msselibm.
14065 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14066 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14067 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14070 2006-01-31 Richard Guenther <rguenther@suse.de>
14071 Paolo Bonzini <bonzini@gnu.org>
14073 * doc/install.texi (--disable-libgcc-math): Document.
14075 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14077 * expr.h (expand_normal): new inline function.
14078 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14079 * dojump.c: use it.
14080 * dwarf2out.c: use it.
14083 * expmed.c: use it.
14084 * except.c: use it.
14085 * config/sparc/sparc.c: use it.
14086 * config/i386/i386.c: use it.
14087 * config/rs6000/rs6000.c: use it.
14088 * config/arm/arm.c: use it.
14089 * config/mips/mips.c: use it.
14090 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14092 2006-01-30 Roger Sayle <roger@eyesopen.com>
14094 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14095 argv to the appropriate type.
14097 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14099 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14102 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14105 * config/s390/s390.c (struct machine_function): New flag
14106 decomposed_literal_pool_addresses_ok_p.
14107 (s390_reorg): Set it before final stage of literal pool transforms.
14108 (s390_decompose_address): Only accept displacements of the form
14109 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14111 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14113 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14114 the comparison routine return.
14116 2006-01-30 Michael Matz <matz@suse.de>
14118 * global.c (find_reg): Only evict for global regs.
14119 Take n_refs into account and dump more info.
14121 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14124 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14125 (pragma_trap, pragma_nosave_low_regs): Likewise.
14126 (current_function_anonymous_args): Likewise.
14127 (sh_deferred_function_attributes): New variable.
14128 (sh_deferred_function_attributes_tail): Likewise.
14129 (print_operand): For '@', look up trap_exit attribute.
14130 (calc_live_regs): Look up trapa_handler attribute. For trapa
14131 handlers, save/restore fpscr, but don't do any other
14132 interrupt-specific saves.
14133 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14134 Fix check for partially saved registers to check for SHmedia.
14135 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14136 (sh_output_function_epilogue): Don't clear any of the removed
14138 (sh_insert_attributes): Don't check pragma_interrupt.
14139 Insert deferred attributes. Check that interrupt attribute is
14140 present for other attributes that require its presence.
14141 (sh_attribute_table): Add new attributes trapa_handler and
14143 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14144 Don't check for pragma_interrupt. Don't store argument.
14145 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14146 (sh_deferred_function_attributes): Declare.
14147 (sh_deferred_function_attributes_tail): Likewise.
14148 * sh.md (sp_switch_1): Add operand. Change generator caller.
14149 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14150 (*return_i): Don't use when trap_exit attribute is in effect.
14151 (*return_trapa): New insn pattern.
14152 * sh-c.c: New file.
14153 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14154 setting c_target_objs and cxx_target_objs.
14155 * t-sh: Add rule for sh-c.o.
14157 2006-01-30 Richard Guenther <rguenther@suse.de>
14160 * gimplify.c (gimplify_target_expr): Handle easy cases
14161 without creating a temporary.
14163 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14165 * vec.h (safe_grow): Remove duplicated line.
14167 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14170 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14171 (expand_omp): ... here.
14172 (expand_omp_parallel): Only remove barriers for combined
14173 parallel+workshare constructs.
14175 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14179 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14180 * tree.c (build_qualified_type): Chain the new type to the original
14181 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14182 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14183 (build_pointer_type_for_mode): Only return unqualified types.
14184 (build_reference_type_for_mode): Likewise.
14186 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14188 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14189 * Makefile.in (CXX_COMPAT_WARN): Define.
14190 * configure: Regenerate.
14192 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14195 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14198 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14200 * toplev.c: Fix thinko.
14202 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14203 Marcin Dalecki <martin@dalecki.de>
14205 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14206 (push_srcloc): Use XNEW.
14207 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14209 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14211 * df-core.c (df_set_blocks): Deleted all variable.
14213 2006-01-28 Ian Lance Taylor <ian@airs.com>
14215 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14216 cgraph_output_pending_asms.
14218 2006-01-28 Zack Weinberg <zackw@panix.com>
14220 * c.opt: Add -W(no-)overlength-strings.
14221 * doc/invoke.texi: Document it.
14222 * c-opts.c (c_common_handle_option): -pedantic implies
14223 -Woverlength-strings, if not explicitly disabled already.
14224 (c_common_post_options): -Woverlength-strings defaults to off, and
14225 is always off for C++.
14226 * c-common.c (fix_string_type): Issue warning about strings longer
14227 than is portable only if warn_overlength_strings. Rearrange code
14228 a little for clarity.
14229 * configure.in: Check for -Wno-overlength-strings as well before
14230 enabling -pedantic in stage 1.
14231 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14232 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14234 * genconditions.c (write_header, write_one_condition)
14235 (write_conditions, write_writer): Consolidate very long strings
14236 that were broken up to fit in C89 portable limit. Don't use
14237 printf when fputs will do.
14239 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14241 * combine.c (simplify_comparison <AND>): Check
14242 TRULY_NOOP_TRUNCATION before start using a subreg.
14244 * config/mips/mips.md (*branch_zero<mode>,
14245 *branch_zero<mode>_inverted, *branch_equality<mode>,
14246 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14247 Remove mode check from comparisons.
14249 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14251 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14253 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14255 * expmed.c (const_mult_add_overflow_p): Remove.
14256 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14258 * recog.c (validate_replace_rtx_subexp): Remove.
14259 * recog.h: Remove the prototype for
14260 validate_replace_rtx_subexp.
14262 * integrate.h: Remove the prototype for
14263 copy_decl_for_inlining.
14264 * rtl.h: Remove the prototype for mark_constant_function.
14265 * tree-vectorizer.h: Remove the prototype for
14266 vect_strip_conversion.
14268 * modulo-sched.c (create_partial_schedule,
14269 free_partial_schedule, reset_partial_schedule): Make them
14272 * hooks.c (hook_bool_rtx_int_false): Remove.
14273 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14275 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14277 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14278 and -mlong-double-128 are incompatible.
14279 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14280 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14281 (TARGET_LIBGCC2_CFLAGS): Define.
14282 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14283 (TARGET_LIBGCC2_CFLAGS): Same.
14284 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14286 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14289 * c-typeck.c (build_binary_op): Perform implicit casts of
14290 operands before shortening them.
14292 * cfgloopmanip.c (split_loop_bb): Remove.
14293 * cfgloop.h: Remove the prototype for split_loop_bb.
14295 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14296 * cfgloop.h: Remove the prototype for
14297 flow_loop_outside_edge_p.
14299 * emit-rtl.c (init_virtual_regs): Make it static.
14300 * function.h: Remove the prototype for init_virtual_regs.
14302 * recog.c (peephole2_optimize): Make it static.
14303 * recog.h: Remove the prototype for peephole2_optimize.
14305 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14307 * df-scan.c (df_record_entry_block_defs): Check if
14308 INCOMING_RETURN_ADDR_RTX is defined.
14310 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14311 Kenneth Zadeck <zadeck@naturalbridge.com>
14313 PR rtl-optimization/24762
14314 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14315 * targhooks.c (hook_void_bitmap): New hook prototype.
14316 * targhoohs.h (hook_void_bitmap): Ditto.
14317 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14318 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14319 * target.h (live_on_entry): New function pointer.
14320 * df-scan.c (df_all_hard_regs): Removed.
14321 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14322 (df_scan_free_internal): Added df->entry_block_defs.
14323 (df_scan_alloc): Ditto.
14324 (df_scan_dump): Ditto.
14325 (df_uses_record): Plumbed flag field properly thru calls.
14326 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14327 This part fixes PR24762.
14328 (df_bb_refs_record): Added code to make the frame and arg
14329 pointers live in EH blocks.
14330 (df_refs_record): Added call to df_record_entry_block_defs.
14331 (df_record_entry_block_defs): New function.
14332 * df-core.c: Added comments to describe new artifical defs.
14333 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14334 (entry_block_defs): New field in struct df.
14335 (df_all_hard_regs): Deleted.
14336 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14337 * df-problems.c (df_ru_bb_local_compute_process_def):
14338 Added code to handle artifical defs in the entry to a function.
14339 (df_ru_bb_local_compute): Ditto.
14340 (df_rd_bb_local_compute_process_def): Ditto.
14341 (df_rd_bb_local_compute): Ditto.
14342 (df_lr_bb_local_compute): Ditto.
14343 (df_ur_bb_local_compute): Ditto.
14344 (df_urec_bb_local_compute): Ditto.
14345 (df_chain_create_bb): Ditto.
14346 (df_ur_local_finalize): Removed entry.
14347 (df_urec_init): Ditto.
14348 (df_urec_local_finalize): Ditto.
14349 (df_ri_bb_compute): Added detection of last use of pseudos.
14350 * Makefile.in (df-scan.o): Updated dependencies.
14351 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14352 * config/mips/mips.c (mips_set_live_on_entry): Added.
14353 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14355 * dce.c (marked_insn_p): Added code to handle artifical defs.
14357 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14359 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14361 (_mm_cvtsi128_si64): Likewise.
14362 (_mm_cvtsd_si64): Likewise.
14363 (_mm_cvttsd_si64): Likewise.
14364 (_mm_cvtsi64_sd): Likewise.
14365 (_mm_cvtsi64_si128): Likewise.
14366 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14367 (_mm_cvtsi64_m64): Likewise.
14368 (_m_to_int64): Likewise.
14369 (_mm_cvtm64_si64): Likewise.
14370 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14371 (_mm_cvttss_si64): Likewise.
14372 (_mm_cvtsi64_ss): Likewise.
14373 (_mm_cvtss_f32): Likewise.
14375 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14377 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14378 for pragma redefine_extname.
14380 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14383 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14384 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14385 -mno-minimal-toc to previous content.
14386 (bispecs): Remove goal.
14387 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14388 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14389 compatibility aliases on powerpc-*-*gnu*.
14390 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14391 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14392 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14393 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14394 (ldblspecs): New goal.
14395 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14396 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14398 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14399 L_sf_to_tf or L_df_to_tf is defined.
14401 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14402 Alan Modra <amodra@bigpond.net.au>
14405 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14406 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14407 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14408 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14409 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14410 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14411 (rs6000_override_options): Initialize rs6000_ieeequad.
14412 Initialize TFmode format to ibm_extended_format if not
14414 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14416 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14417 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14418 (function_arg_advance): IBM long double passed in two FPRs, not
14420 (function_arg): IBM long double passed in FPRs.
14421 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14422 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14423 Only multireg GPR aligned.
14424 (rs6000_init_libfuncs): Enable IBM long double functions if not
14426 (rs6000_generate_compare): Use IBM long double compare if not
14428 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14429 (TARGET_IEEEQUAD): Define.
14430 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14431 not TARGET_IEEEQUAD.
14432 * config/rs6000/rs6000.md: Enable TFmode patterns if
14434 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14435 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14436 and -mlong-double-128 are incompatible.
14437 * doc/invoke.texi (-mabi): Collect options together. Add
14438 ibmlongdouble and ieeelongdouble.
14440 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14442 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14444 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14445 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14446 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14447 * rtl.h (rtunion_def): Remove rt_ptr.
14449 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14450 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14451 * config/i386/winnt.c (i386_pe_mark_dllexport)
14452 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14454 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14456 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14458 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14462 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14463 pthread_key_delete. From John David Anglin. gthrw-ify
14464 pthread_getunique_np only if it it's not a macro. Delete
14466 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14467 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14468 __gthread_objc_condition_signal, __gthread_key_delete): Add
14469 "__attribute__ ((__unused__))" to unused arguments.
14470 (__gthread_recursive_mutex_init_function): Add missing return.
14471 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14472 gthr-posix95.h: Use macro-based approach for name redirection
14473 on targets missing weakref.
14475 2006-01-26 Zack Weinberg <zackw@panix.com>
14477 * genconditions.c (write_header): In generated code, #ifdef out
14478 all includes and fake declarations, except includes of bconfig.h
14479 and system.h, unless GCC_VERSION >= 3001. Do not include
14480 gensupport.h in any case.
14481 (write_conditions): Generate a definition of struct c_test. Add
14482 a comment to the generated #endif.
14483 (write_one_condition): Escape backslashes in string too.
14484 (write_writer): Generated code must escape backslashes and quote
14485 marks (but not newlines) in the strings it writes.
14486 * Makefile.in (build/gencondmd.o): Update dependencies.
14488 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14491 * Makefile.in (insn-automata.o): Add header file dependencies.
14492 * genautomata.c: Add includes.
14494 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14497 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14499 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14501 * configure.ac: Expect target tools paths to be passed from the toplevel
14502 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14504 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14506 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14509 * c.opt (Wpointer-sign): Init to -1.
14510 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14511 OPT_pedantic, to 0 otherwise.
14512 * doc/invoke.texi: Update.
14514 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14516 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14517 constants provided by 80387 instructions in the destination mode.
14519 2006-01-26 Richard Guenther <rguenther@suse.de>
14520 Andrew Pinski <pinskia@physics.uc.edu>
14523 partial PR tree-opt/17064
14524 * tree-ssa-structalias.c (intra_create_variable_infos):
14525 Create heap variables for incoming parameters if
14526 flag_argument_noalias > 1.
14527 (find_what_p_points_to): Look through default defs of
14530 2006-01-26 Jeff Law <law@redhat.com>
14533 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14534 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14535 within the VR_RANGE, use the VR_RANGE as the result, not the
14537 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14538 bounds for the type.
14540 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14542 * tree-ssa-alias.c (maybe_create_global_var): Change
14543 subvar walking to an assertion that we don't have subvar'd variables.
14545 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14548 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14549 Use a new variable, inner. PARM_DECLs are always non-weak.
14551 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14553 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14554 --disable-checking.
14556 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14558 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14560 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14562 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14563 (smax_insn, smin_insn, smax_0, smin_0): New.
14565 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14568 * config/cris/cris.c (cris_order_for_addsi3): New function.
14569 * config/cris/cris-protos.h: Prototype it.
14570 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14571 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14572 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14573 (split for "op.S1 [rx=rx+i],ry (swapped)")
14574 (split for "op(s|u).S1 [rx=rx+i],ry")
14575 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14576 Apply cris_order_for_addsi3 when generating addsi3 insns.
14578 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14580 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14581 (TREE_BLOCK): Add call to EXPR_CHECK.
14583 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14586 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14587 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14588 (dump_omp_clauses): ... here.
14589 (dump_generic_node): Handle OMP_CLAUSE.
14590 * tree.c (omp_clause_num_ops): New.
14591 (omp_clause_code_name): New.
14592 (tree_code_size): Handle OMP_CLAUSE.
14593 (tree_size): Likewise.
14594 (make_node): Document handling of OMP_CLAUSE.
14595 (tree_node_structure): Handle OMP_CLAUSE.
14596 (omp_clause_check_failed): New.
14597 (omp_clause_range_check_failed): New.
14598 (omp_clause_operand_check_failed): New.
14599 (build_omp_clause): New.
14600 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14601 * tree.h (enum omp_clause_code): Declare.
14602 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14603 (OMP_CLAUSE_RANGE_CHECK): Define.
14604 (OMP_CLAUSE_ELT_CHECK): Define.
14605 (omp_clause_check_failed): Declare.
14606 (omp_clause_operand_check_failed): Declare.
14607 (omp_clause_range_check_failed): Declare.
14608 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14609 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14610 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14611 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14612 (OMP_CLAUSE_IF_EXPR): Likewise.
14613 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14614 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14615 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14616 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14617 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14618 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14619 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14620 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14621 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14622 (OMP_CLAUSE_CODE): Define.
14623 (OMP_CLAUSE_SET_CODE): Define.
14624 (OMP_CLAUSE_CODE): Define.
14625 (OMP_CLAUSE_OPERAND): Define.
14626 (struct tree_omp_clause): Declare.
14627 (union tree_node): Add field 'omp_clause'.
14628 * treestruct.def (TS_OMP_CLAUSE): Define.
14629 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14630 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14631 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14632 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14633 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14634 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14635 (OMP_CLAUSE): Define.
14636 * print-tree.c (print_node): Handle OMP_CLAUSE.
14637 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14638 * c-typeck.c: Likewise.
14639 * gimplify.c: Likewise.
14640 * c-omp.c: Likewise.
14641 * tree-nested.c: Likewise.
14642 * tree-inline.c: Likewise.
14643 * c-parser.c: Likewise.
14644 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14647 2006-01-25 Roger Sayle <roger@eyesopen.com>
14649 PR rtl-optimization/25703
14650 * combine.c (try_combine): Handle zero_extract and strict_low_part
14651 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14653 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14655 * global.c: Fix comment typos.
14657 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14660 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14661 Use output_addr_const instead of assemble_name.
14663 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14665 * Makefile.in (sched-vis.o): Update dependencies.
14666 * haifa-sched.c (sched_finish): Clear current_sched_info.
14667 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14668 (dump_flow_info): Call it.
14669 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14671 * basic-block.h (dump_bb_info): Declare.
14672 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14673 option, and apply options only for dump files whose TDF_RTL,
14674 TDF_TREE, or TDF_IPA bits match.
14675 * rtl.h: Declare new functions exported from sched-vis.c.
14676 * sched-vis.c: Enable also if scheduling is not used.
14677 (print_value): Print the mode of registers if not inside scheduling.
14678 (print_insn): Make it work outside the scheduler. Beautify the output
14680 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14682 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14684 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14685 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14686 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14687 depending on the value of CONSTANT_POOL_ADDRESS_P.
14688 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14690 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14691 rather than SYMBOL_REF_DECL.
14692 (rtx_constant_pool): Remove const_rtx_sym_htab.
14693 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14694 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14695 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14696 Remove handling of const_rtx_sym_htab.
14697 (find_pool_constant): Delete.
14698 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14699 rather than find_pool_constant.
14700 (get_pool_constant_for_function): Delete.
14701 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14702 find_pool_constant.
14703 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14704 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14705 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14706 (SYMBOL_REF_CONSTANT): New macro.
14707 (get_pool_constant_for_function): Delete.
14708 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14709 rather than SYMBOL_REF_DECL.
14710 (i386_pe_mark_dllimport): Likewise.
14711 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14712 rather than SYMBOL_REF_DECL.
14713 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14714 (machopic_indirect_call_target): Likewise.
14716 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14718 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14720 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14722 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14724 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14726 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14728 2006-01-24 David Daney <ddaney@avtrex.com>
14731 * configure.ac (enable_tls): New enable option.
14732 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14733 * configure: Regenerate.
14734 * doc/install.texi (--enable-tls): Document new option.
14735 (--disable-tls): Ditto.
14737 2006-01-24 Richard Henderson <rth@redehat.com>
14739 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14740 * alias.c (true_dependence): Respect it.
14741 (canon_true_dependence, write_dependence_p): Likewise.
14742 * builtins.c (get_builtin_sync_mem): Set it.
14744 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14746 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14749 2006-01-24 DJ Delorie <dj@redhat.com>
14751 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14752 for storing constants in single-bit bitfields.
14754 2006-01-25 Ben Elliston <bje@au.ibm.com>
14756 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14758 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14761 * tree-ssa-pre.c (phi_translate): Return NULL
14762 for AGGREGATE_TYPE's.
14764 2006-01-24 Zack Weinberg <zackw@panix.com>
14766 * genautomata.c (process_state_for_insn_equiv_partition):
14767 Use xcalloc for insn_arcs_array.
14768 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14769 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14771 2006-01-24 Richard Henderson <rth@redhat.com>
14773 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14774 update all callers.
14776 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14778 PR rtl-optimization/25890
14779 PR rtl-optimization/25905
14780 * combine.c (expand_compound_operation, expand_field_assignment):
14781 Fail if the bitfield's final position is out of bounds.
14783 2006-01-24 Ian Lance Taylor <ian@airs.com>
14785 PR middle-end/25930
14786 * cgraphunit.c (cgraph_output_in_order): Don't clear
14787 cgraph_asm_nodes until after asm strings have been output.
14789 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14791 * fix-header.c (read_scan_file): Add new parameter imultilib when
14792 calling register_include_chains.
14794 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14796 * omp-low.c: Update documentation.
14798 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14799 Daniel Berlin <dberlin@dberlin.org>
14803 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14804 return from the function.
14806 2006-01-22 Zack Weinberg <zackw@panix.com>
14808 * rtl.def (match_code): Add second argument.
14809 * genpreds.c (write_extract_subexp): New function.
14810 (write_match_code): Add path argument. Use write_extract_subexp.
14811 (write_predicate_expr): Pass path to write_match_code.
14812 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14813 not perform a mode test.
14814 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14815 a subexpression does not constrain the top-level code set.
14816 * read-rtl.c (read_rtx_variadic): New function.
14817 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14818 * doc/md.texi: Document new notation.
14819 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14820 (cmpsi_operand): ... here, using new notation.
14822 2006-01-22 Zack Weinberg <zackw@panix.com>
14824 * varray.c: Remove GENERATOR_FILE #ifdefs.
14826 2006-01-22 Zack Weinberg <zackw@panix.com>
14828 * genautomata.c (output_reserved_units_table): Emit nothing if
14829 description->query_units_num is zero. Remove extra blank line.
14830 (output_cpu_unit_reservation_p): Short circuit
14831 if description->query_units_num is zero.
14833 2006-01-22 Zack Weinberg <zackw@panix.com>
14835 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14836 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14837 nor any of the random handful of variables that used to be necessary
14838 when this program was linked with rtlanal.o. Prune set of forward
14839 function declarations.
14840 (struct attr_desc): Remove static_p field.
14841 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14842 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14843 (attr_string): Do not read the character one past the length of
14845 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14846 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14847 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14848 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14849 (make_automaton_attrs): New.
14850 (main): Do not call into genautomata. Call local gen_bypass
14851 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14852 Remove special case for insn_alts.
14853 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14854 varray.h (leftover from previous change). Prune set of forward
14855 function declarations. Remove state_alts fields from all
14856 structures. Remove state_alts_table from struct automaton.
14857 Make everything except main static. Do not maintain num_dfa_decls.
14858 Do not maintain state_alts fields of various structures.
14859 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14860 (add_arc): Remove state_alts argument. All callers updated.
14861 (output_reserved_units_table): Emit #ifdef here...
14862 (output_tables): ...not here. Don't generate state_alts tables.
14863 (expand_automata): Don't generate attributes.
14864 (write_automata): Don't generate state_alts functions.
14865 (main): New function.
14866 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14867 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14868 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14869 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14870 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14871 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14872 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14873 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14875 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14876 * genattrtab.h: Delete file.
14877 * Makefile.in (OBJS-common): Add insn-automata.o.
14878 (insn-automata.o): New rule.
14879 (simple_generated_c): Add insn-automata.c.
14880 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14881 (genprogmd): Add automata.
14882 (build/genattrtab): Needs no extra objects nor libraries.
14883 (build/genautomata): Needs build/vec.o and -lm.
14885 2006-01-22 Zack Weinberg <zackw@panix.com>
14887 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14888 (output_dfa_max_issue_rate, locked_states_num): Delete.
14889 (struct automaton): Add locked_states field.
14890 (output_dead_lock_vect): Save number of locked states in
14891 automaton->locked_states. If it is zero, don't print anything.
14892 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14893 (output_internal_dead_lock_func): Only test the dead_lock_vect
14894 for automata that have locked states.
14895 (output_statistics): Always print the number of locked states for
14896 each automaton. Calculate total number of locked states here.
14897 (write_automata): Don't call output_dfa_max_issue_rate.
14898 * genattrtab.c: Define length_unit_log as a const variable.
14899 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14900 max_insn_queue_index const.
14901 * final.c (length_unit_log): Declare const.
14902 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14904 2006-01-22 Zack Weinberg <zackw@panix.com>
14906 * genautomata.c: Include vec.h, not varray.h.
14907 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14908 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14909 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14910 VEC_* macros operating on appropriately typed vectors, or to
14911 malloced arrays when the size is known in advance. Const-ify
14912 many char* variables and function arguments. No functional changes.
14913 * Makefile.in (build/varray.o): Delete rule.
14914 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14915 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14917 2006-01-22 Zack Weinberg <zackw@panix.com>
14919 * gensupport.c: Define get_insn_name and record_insn_name here.
14920 (read_md_rtx): Call record_insn_name as appropriate.
14921 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14922 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14923 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14925 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14926 (BUILD_VARRAY): Delete.
14927 (genprognormal): Rename genprogmd. Fold in all programs from
14928 genprognoprint; also attrtab.
14929 (build/genattrtab): Just mention genautomata.o and varray.o.
14930 Reorganize a bit, add comments to make the categories clearer.
14932 2006-01-22 Zack Weinberg <zackw@panix.com>
14934 * genconditions.c (condition_table, add_condition): Delete.
14935 (write_conditions): Don't emit n_insn_conditions nor
14936 insn_elision_unavailable. Issue the gcc version #ifdef here,
14937 inside the table, with no #else clause ...
14938 (write_header): ...not here.
14939 (write_writer): New function.
14940 (main): Don't initialize condition_table. Use add_c_test.
14942 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14943 files on the command line.
14944 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14945 Return -1 if there is no entry in the table, don't abort.
14946 (add_c_test, traverse_c_tests): New functions.
14947 * gensupport.h (insn_elision_unavailable, insn_conditions)
14948 (n_insn_conditions): Delete declarations.
14949 (add_c_test, traverse_c_tests): Declare.
14950 * read-rtl.c: Include gensupport.h.
14951 (read_conditions): New function.
14952 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14953 (read_rtx_1): If we get EOF when we were looking for an initial
14954 open paren, return 0. Call read_conditions when appropriate.
14955 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14956 dummy-conditions.o. Eliminate references to insn-conditions.o,
14957 or change them to build/gencondmd.o, as appropriate. Remove
14958 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14959 from $(simple_generated_c). For all files remaining in those
14960 two lists, add insn-conditions.md to the generator command line.
14961 Give insn-constants.h/s-constants their own rules. Add rules
14962 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14963 (build/read-rtl.o): Depend on gensupport.h.
14964 (genprognormal): Include preds.
14965 (genprogearly): Rename genprognoprint; only difference is now that
14966 they don't link with $(BUILD_PRINT).
14967 * dummy-conditions.c: Delete.
14969 2006-01-22 Zack Weinberg <zackw@panix.com>
14971 * genextract.c: Don't include insn-config.h. Do include vec.h.
14972 Declare vectors of int, char, and locstr.
14973 (locstr): New typedef.
14974 (struct extraction): Make all array fields into bare pointers.
14975 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14976 (insn_code_number): Delete.
14977 (accum_extract): New struct.
14978 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14979 (gen_insn): Take insn_code_number as an argument. Use an
14980 accum_extract structure instead of loading data directly into
14981 a struct extraction, and having to know how big it might get.
14982 (walk_rtx): Operate entirely on an accum_extract structure.
14983 (print_path): Avoid unnecessary use of printf.
14984 (print_header): New function, split out of main. Distinguish
14985 more carefully between an unrecognizable insn and an insn that
14986 has the code number of a define_expand.
14987 (main): Pass insn_code_number to gen_insn. Call print_header
14988 only after parsing. Avoid unnecessary use of printf.
14989 * Makefile.in (build/vec.o): New rule.
14990 (build/genextract): Depend on build/vec.o.
14991 (build/genextract.o): Don't depend on insn-config.h.
14993 2006-01-22 Zack Weinberg <zackw@panix.com>
14995 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14996 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14997 practical. Eliminate per-generator-program link rules.
14999 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15001 PR middle-end/24437
15002 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15003 with a call expr to ...
15004 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15006 2006-01-23 Richard Guenther <rguenther@suse.de>
15008 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15009 before make_edge with conditional EDGE_TRUE_VALUE.
15011 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15012 Jan Hubicka <jh@suse.cz>
15013 Richard Guenther <rguenther@suse.de>
15015 PR rtl-optimization/25654
15016 * cfgexpand.c (aggregate_contains_union_type): New function.
15017 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15018 for structure variables that contain a union type.
15020 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15022 * gengtype.c (new_structure): Return the structure.
15023 (create_option): Add an extra "next" argument.
15024 (create_field): New function.
15025 (adjust_field_rtx_def): Use create_option and create_field.
15026 Remove a now-unnecessary call to find_structure.
15027 (adjust_field_tree_def): Likewise.
15028 (note_yacc_type): Remove an unnecessary call to find_structure.
15029 * gengtype.h (new_structure): Return the structure.
15030 (create_option): Add an extra argument.
15031 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15032 (option): Adjust calls to create_option.
15034 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15036 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15038 2006-01-22 Paul Brook <paul@codesourcery.com>
15039 Peter Barada <peter@the-baradas.com>
15041 * config/m68k/m68k.md: Add Coldfire FPU support.
15042 Define FP mode macro and associated attributes.
15043 Use it for float mode patterns.
15044 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15045 (LIBCALL_VALUE): Use m68k_libcall_value.
15046 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15047 (m68k_function_value): Ditto.
15048 (emit_move_sequence): Ditto.
15049 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15050 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15051 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15052 (MULTILIB_EXCEPTIONS): Ditto.
15053 * config/m68k/m68k.opt: Add mcfv4e.
15054 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15055 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15056 (m68k_output_function_prologue): Save ColdFire FPU registers.
15057 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15058 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15059 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15060 ColdFire FPU registers.
15061 (m68k_libcall_value, m68k_function_value): New functions.
15062 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15063 (LIBCALL_VALUE): Use m68k_libcall_value.
15064 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15065 (MASK_COLDFIRE): Add MASK_CFV4E.
15066 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15067 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15068 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15069 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15070 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15071 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15072 * doc/invoke.tex: Document -mcfv4e on m68k.
15074 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15076 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15079 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15082 * c-opts.c (c_common_handle_option): Don't include
15083 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15084 * doc/invoke.texi (C++ Dialect Options): Document that
15085 -Wnon-virtual-dtor is no longer included in -Wall.
15087 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15089 * gcov.c (print_version), gcov-dump.c (print_version),
15090 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15093 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15095 * df-scan.c (problem_SCAN): Added NULL reset function.
15096 (df_scan_reset_blocks): Added code to call reset block function
15097 (df_bb_refs_delete) Fixed comment.
15098 (df_insn_refs_delete): Made tolerant of deleting non existent info
15099 for dataflow problems that need to be reset.
15100 * df-core.c (df_set_blocks): Ditto.
15101 * df.h (struct df_problem): Added reset_fun.
15102 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15103 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15104 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15105 functions to clear out all references to def-use or use-def chains.
15107 2006-01-21 Ben Elliston <bje@au.ibm.com>
15109 * varasm.c (assemble_real): Initialise data array.
15111 2006-01-20 Paul Brook <paul@codesourcery.com>
15113 Merge from csl-arm-branch.
15114 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15115 * config/arm/arm.md (movdi): Force operands[1] to a register
15116 if we have a non-register source.
15117 (*arm_movdi, *movdf_soft_insn): Require that one of the
15118 operands be a register.
15119 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15120 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15122 2006-01-20 DJ Delorie <dj@redhat.com>
15124 * varasm.c (initializer_constant_valid_p): Allow pointers
15125 initialized from integer constants of lesser precision.
15126 (output_constant): Allow non-int-sized pointer modes to be
15127 initialized from integer constants.
15129 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15132 * cppdefault.h (struct default_include): Add multilib flag.
15133 * cppdefault.c (cpp_include_defaults): Set it.
15134 * c.opt (-imultilib): New option.
15135 * c-opts.c (imultilib): New.
15136 (c_common_handle_option): Handle -imultilib.
15137 (c_common_post_options): Likewise.
15138 * c-incpath.c (add_standard_paths, register_include_chains):
15140 * c-incpath.h (register_include_chains): Add extra parameter.
15141 * gcc.c (do_spec_1): Generate -imultilib option.
15142 (The Specs Language): Update %I description.
15143 (process_command): Update copyright notice.
15144 * doc/cppopts.texi (-imultilib): Document.
15145 * doc/invoke.texi (-imultilib): Include in option summary.
15146 (%I): Update specs documentation.
15148 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15150 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15152 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15154 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15157 2006-01-20 Richard Guenther <rguenther@suse.de>
15158 Steven Bosscher <stevenb.gcc@gmail.com>
15160 PR rtl-optimization/24626
15161 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15162 EDGE_TRUE_VALUE if in RTL mode.
15165 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15166 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15168 2006-01-20 Dirk Mueller <dmueller@suse.com>
15171 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15172 instead of a special NOP marker.
15173 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15174 NOP marker handling.
15175 * c-common.h (empty_body_warning): Add forward declaration.
15176 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15177 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15179 2006-01-20 Paul Brook <paul@codesourcery.com>
15181 * Makefile.in (lang_checks): Keep going if mkdir fails.
15183 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15185 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15186 be able to clean out basic block when not necessary.
15187 (df_scan_free): Fixed to properly delete information if df is
15188 unused before calling df_finish.
15189 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15190 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15192 (df_bb_refs_delete): New function.
15193 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15194 * df-core.c (df_set_blocks): Added code to properly clean out
15195 unused blocks if they are not part of the blocks to consider.
15196 Added additional null check.
15197 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15198 be able to clean out basic block when not necessary
15199 * df.h (df_free_bb_function): Ditto.
15200 (df_bb_refs_delete): New function.
15201 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15202 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15203 basic block parameter to be able to clean out basic block when not
15205 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15206 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15207 Fixed to properly delete information if df is unused before
15210 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15212 PR rtl-optimization/25799
15213 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15214 Corrected confluence operator to remove bits from op2 before oring
15215 with op1 rather than removing bits from op1.
15216 (df_ru_transfer_function): Corrected test on wrong bitmap which
15217 caused infinite loop. Both of these problems were introduced in
15218 the dataflow rewrite.
15220 2006-01-19 DJ Delorie <dj@redhat.com>
15222 * reload1.c (find_reload_regs): Note the details of reload
15223 failures in the dump file.
15224 (spill_failure): Likewise.
15226 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15228 * loop-iv.c: Include df.h and hashtab.h.
15229 (enum iv_grd_result): New enum.
15230 (DF_REF_IV, DF_REF_IV_SET): New macros.
15231 (struct biv_entry): New.
15232 (df, bivs): New global variables.
15233 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15234 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15236 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15237 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15238 analyzed_for_bivness_p, record_biv): New functions.
15239 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15240 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15241 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15243 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15245 (iv_number_of_iterations): Use new interface to iv analysis.
15246 * loop-unroll.c: Do not include varray.h.
15247 (analyze_iv_to_split_insn): Use new interface to iv
15249 * loop-unswitch.c (may_unswitch_on): Ditto.
15250 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15252 (df_bb_modify): Realloc tables to the new index.
15253 (df_find_use): New function.
15254 * df.h (df_find_use): Declare.
15255 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15257 * cfgloop.h (struct rtx_iv): Remove analysed field.
15258 (iv_get_reaching_def): Removed.
15259 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15260 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15261 (loop-iv.o): Add df.h and hashtab.h dependency.
15262 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15264 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15267 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15269 (__floatundisf, __floatundidf): Likewise.
15270 * libgcc2.h (IS_IBM_EXTENDED): Define.
15272 2006-01-19 DJ Delorie <dj@redhat.com>
15274 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15276 2006-01-19 Paul Brook <paul@codesourcery.com>
15278 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15279 as nothrow when unwinding tables are disabled.
15281 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15284 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15285 of bit-field" when in system header.
15287 2006-01-19 DJ Delorie <dj@redhat.com>
15289 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15290 the 16 bit shift limit of the m16c.
15292 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15295 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15296 * config/i386/i386.c (output_set_got): Output the label if we have one
15297 for the TARGET_DEEP_BRANCH_PREDICTION case.
15299 2006-01-19 Jan Hubicka <jh@suse.cz>
15300 H.J. Lu <hongjiu.lu@intel.com>
15301 Evandro Menezes <evandro.menezes@amd.com>
15303 * invoke.texi (generic): Document
15305 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15306 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15307 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15308 (x86_use_incdec, x86_pad_returns): New variables
15309 (TARGET_CPU_DEFAULT_generic): New constant
15310 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15311 (enum processor_type): Add generic32 and generic64.
15312 * i386.md (cpu attribute): Add generic32/generic64
15313 (movhi splitter): Behave sanely when both partial_reg_dependency and
15314 partial_reg_stall are set.
15315 (K8 splitters): Enable for generic as well.
15316 * predicates.md (incdec_operand): Use TARGET_INCDEC
15317 (aligned_operand): Avoid memory mismatch stalls.
15318 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15319 * ppro.md: Enable for generic32
15320 * i386.c (generic64_cost, generic32_cost): New.
15321 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15322 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15323 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15324 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15325 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15326 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15327 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15328 x86_accumulate_outgoing_args, x86_prologue_using_move,
15329 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15330 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15331 Enable for generic.
15332 (x86_use_incdec, x86_pad_returns): New.
15333 (override_options): Add generic32 and generic64, translate "generic"
15334 to generic32/generic64 and "i686" to "generic32", refuse
15335 "generic32"/"generic64" as arch target.
15336 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15337 (ix86_reorg): Honor PAD_RETURNS.
15339 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15341 * tree-pretty-print.c (dump_generic_node): Handle
15342 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15343 * cgraph.c (cgraph_expand_queue): Rename from
15344 cgraph_analyze_queue. Update all users.
15345 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15346 cgraph_expand_queue.
15347 (cgraph_expand_all_functions): Likewise.
15348 (cgraph_finalize_pending_functions): Remove. Update callers.
15350 * tree.h (OMP_DIRECTIVE_P): Define.
15351 (OMP_PARALLEL_FN): Define.
15352 (OMP_PARALLEL_DATA_ARG): Define.
15353 (OMP_SECTIONS_SECTIONS): Define.
15354 * tree-pass.h (pass_expand_omp): Declare.
15355 * omp-low.c (struct omp_region): Declare.
15356 (struct omp_context): Remove fields 'parallel_type',
15357 'parallel_start_ix' and 'parallel_start_additional_args'.
15359 (struct omp_for_data): Rename from struct expand_omp_for_data.
15360 (omp_regions): New static variable.
15361 (root_omp_region): New static variable.
15362 (find_omp_clause): Make static.
15363 (is_in_combined_parallel_ctx): Remove.
15364 (is_combined_parallel): New.
15365 (extract_omp_for_data): Move earlier in the file.
15366 (workshare_safe_to_combine_p): New.
15367 (get_ws_args_for): New.
15368 (determine_parallel_type): Move earlier in the file.
15369 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15371 (omp_copy_decl): Likewise.
15372 (create_omp_child_function): Likewise.
15373 (lookup_omp_region): New.
15374 (dump_omp_region): New.
15375 (debug_omp_region): New.
15376 (debug_all_omp_regions): New.
15377 (new_omp_region): New.
15378 (scan_omp_parallel): If parallel_nesting_level > 1, the
15379 directive is nested within another parallel directive.
15380 Set OMP_PARALLEL_FN.
15381 (scan_omp_for): Do not try to handle combined parallel+for
15383 Remove FIXME comment.
15384 (scan_omp_nested): Remove.
15385 (scan_omp_1): Do not call scan_omp_nested when
15386 parallel_nesting_level is > 1.
15387 Do not change the DECL_CONTEXT of local variables found.
15388 (lookup_decl_in_outer_ctx): New.
15389 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15390 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15391 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15392 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15393 If CTX is nested, lookup VAR in the outer context when
15394 building copy assignment.
15395 (lower_send_clauses): Rename from expand_send_clauses.
15396 If CTX is nested, lookup VAR in the outer context when
15397 building copy assignments.
15398 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15399 If CTX is nested, lookup VAR in the outer context when
15400 building copy assignments.
15401 (expand_parallel_call): Rename from build_parallel_call.
15402 Handle combined parallel+workshare cases.
15403 Re-implement to emit code into the CFG.
15405 (expand_omp_parallel): Re-implement to emit code into the CFG.
15406 Call move_sese_region_to_fn to outline the sub-graph
15407 containing the parallel region.
15408 (expand_omp_for_1): Remove.
15409 (expand_omp_for_generic): Re-implement to emit code into the
15411 (expand_omp_for_static_nochunk): Likewise.
15412 (expand_omp_for_static_chunk): Likewise.
15413 (expand_omp_for): Likewise.
15414 (expand_omp_sections): Likewise.
15415 (remove_exit_barriers): New.
15416 (expand_omp_synch): New.
15418 (build_omp_regions_1): New.
15419 (build_omp_regions): New.
15420 (execute_expand_omp): New.
15421 (gate_expand_omp): New.
15422 (pass_expand_omp): Define.
15423 (lower_omp_sections): Rename from expand_omp_sections.
15424 Set OMP_SECTIONS_SECTIONS.
15425 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15426 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15427 (lower_omp_single): Rename from expand_omp_simple.
15428 (lower_omp_master): Rename from expand_omp_master.
15429 (lower_omp_ordered): Rename from expand_omp_ordered.
15430 (lower_omp_critical): Rename from expand_omp_critical.
15431 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15432 (lower_omp_for): Re-implement.
15433 (lower_omp_parallel): Re-implement.
15434 (lower_regimplify): Rename from expand_regimplify.
15435 (lower_omp_1): Rename from expand_omp_1.
15436 If there are syntax errors in the program, replace every
15437 OpenMP directive with NOP.
15438 Call lower_omp_* instead of expand_omp_*.
15439 (lower_omp): Rename from expand_omp.
15441 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15442 * tree-gimple.h (enum omp_parallel_type): Remove.
15443 (gimple_boolify): Declare extern.
15444 (find_omp_clause, determine_parallel_type): Remove.
15446 * gimple-low.c (lower_omp_directive): New.
15447 (lower_stmt): Call it.
15448 (record_vars_into): Move from ...
15449 (record_vars): ... here.
15450 Call record_vars_into with current_function_decl.
15452 * gimplify.c (struct gimplify_ctx): Remove fields
15453 combined_pre_p and combined_ctxp. Update users.
15454 (get_formal_tmp_var): Add documentation.
15455 (gimple_boolify): Make extern.
15456 (gimplify_expr_in_ctx): Remove. Update callers.
15457 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15458 will always be a BIND_EXPR.
15459 (gimplify_expr): Handle OMP_RETURN_EXPR.
15460 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15461 (OMP_PARALLEL): Add 3 operands.
15462 (OMP_SECTIONS): Add 1 operand.
15463 (OMP_RETURN_EXPR): Define.
15465 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15466 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15467 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15468 creating a circular free list.
15469 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15471 * tree-flow.h (move_sese_region_to_fn): Declare.
15472 (record_vars_into): Declare.
15473 * tree-cfg.c (make_omp_sections_edges): New.
15474 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15475 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15476 OMP_SECTIONS and OMP_SECTION.
15477 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15478 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15479 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15480 (gather_blocks_in_sese_region): New.
15481 (struct move_stmt_d): Declare.
15482 (move_stmt_r): New.
15483 (move_block_to_fn): New.
15484 (move_sese_region_to_fn): New.
15486 * passes.c (init_optimization_passes): Schedule
15487 pass_expand_omp after pass_init_datastructures.
15489 * tree-ssa-operands.c (get_expr_operands): Handle
15490 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15491 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15493 2006-01-19 Jeff Law <law@redhat.com>
15495 * tree-vrp.c (extract_range_from_assert): Refine the result range
15496 if the variable referenced by the ASSERT_EXPR has a range and
15497 either the tentative result range or the previous range is a
15500 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15502 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15504 2006-01-19 Jan Hubicka <jh@suse.cz>
15506 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15508 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15510 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15511 (expand_compound_operation, expand_field_assignment): Fail if the
15512 bit lengths of an extract operation are out of range.
15513 (make_extraction): Compute wanted_inner_mode based on the position
15514 and length of the extraction. Make it extraction_mode for non-constant
15515 positions, and do not modify offset in that case. When generating a
15516 new MEM, use a mode that can hold the extraction while keeping correct
15517 alignment. Remove code that supported MEMs wrapped by USEs.
15518 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15520 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15522 * config/s390/s390.md ("Y", "y"): New mode attribute.
15523 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15524 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15525 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15526 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15527 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15528 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15529 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15530 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15531 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15532 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15533 "addsi3", "subsi3"): Insn patterns removed.
15534 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15535 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15536 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15537 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15538 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15539 "*sub<mode>3_cconly2"): New insn patterns.
15540 ("addsi3", "subsi3"): New expanders.
15542 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15544 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15545 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15546 existing STMT_VINFO_VECTYPE if available.
15547 (vect_mark_relevant): Add special handling for stmts that are
15548 marked as STMT_VINFO_IN_PATTERN_P.
15549 (vect_analyze_loop): Call vect_pattern_recog.
15550 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15551 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15553 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15554 (vect_recog_func_ptr): New function-pointer type.
15555 * tree-vect-patterns.c: New file.
15556 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15557 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15558 (vect_pattern_recog_1): New functions.
15559 (vect_pattern_recog_funcs): New array of function pointers.
15561 * tree-vectorizer.h (ternary_op): New enum value.
15562 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15563 declaration. Revised documentation. Removed redundant dump prints.
15564 Removed redundant argument. Added support for reduction patterns.
15565 (vectorizable_reduction): Added support for reduction patterns.
15566 (vect_transform_stmt): Added support for patterns.
15568 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15569 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15570 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15571 (expand_widen_pattern_expr): New function.
15572 (init_optabs): Initialize new optabs udot_prod_optab,
15574 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15575 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15576 (expand_widen_pattern_expr): New function declaration.
15577 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15579 * tree-inline.c (estimate_num_insns_1): Added cases for new
15580 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15581 * tree-pretty-print.c (dump_generic_node): Likewise.
15582 (op_prio): Likewise.
15583 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15584 * tree-ssa-operands.c (get_expr_operands): Added case for
15586 * tree-vect-patterns.c (widened_name_p): New function.
15587 (vect_recog_dot_prod_pattern): Added function implementation.
15588 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15589 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15590 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15591 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15593 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15594 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15595 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15596 (init_optabs): Initialize new optabs widen_ssum_optab,
15598 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15599 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15600 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15601 use instead of type of def.
15602 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15603 function implementation.
15604 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15605 widen_ssumv8hi): New.
15607 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15610 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15613 * c-decl.c (add_flexible_array_elts_to_size): New function.
15614 (finish_decl): Use it.
15616 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15618 * diagnostic.h: Include options.h.
15619 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15620 dependancies for diagnostic.h.
15621 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15623 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15625 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15626 (ssa_ro_call_cache_valid): Ditto.
15627 * tree-ssa-alias.c (sort_tags_by_id): New function.
15628 (init_transitive_clobber_worklist): Ditto.
15629 (add_to_worklist): Ditto.
15630 (mark_aliases_call_clobbered): Ditto.
15631 (compute_tag_properties): Ditto.
15632 (set_initial_properties): Ditto.
15633 (compute_call_clobbered): Ditto.
15634 (compute_may_aliases): Call compute_call_clobbered and grouping.
15635 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15636 (compute_flow_insensitive_aliasing): Grouping now happens in our
15638 (setup_pointers_and_addressables): Remove clobbering related code.
15639 (add_may_alias): Ditto.
15640 (replace_may_alias): Ditto.
15641 (get_nmt_for): Ditto.
15642 (create_global_var):
15643 (is_escape_site): Return an escape_type enumeration.
15644 * tree-flow-inline.h (is_call_clobbered): Global var does not
15645 imply call clobbered.
15646 (mark_call_clobbered): Take a reason for marking this. Remove
15647 marking of globalness, and cache invalidation.
15648 (clear_call_clobbered): Remove cache invalidation code.
15649 * tree-dfa.c (dump_variable): If details is on, dump the reason
15651 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15653 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15654 (struct var_ann_d): Ditto.
15655 (enum escape_type): New.
15656 (mark_call_clobbered): Adjust prototype.
15657 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15658 are never call clobbered.
15659 Record reasons for escaping.
15660 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15661 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15662 (ssa_ro_call_cache_valid): Ditto.
15663 (clobbered_v_may_defs): Ditto.
15664 (clobbered_vuses): Ditto.
15665 (ro_call_vuses): Ditto.
15666 (clobber_stats): New.
15667 (init_ssa_operands): Zero out clobber stats.
15668 (fini_ssa_operands): Print out clobber stats.
15669 (get_call_expr_operands): Pass callee fndecl to
15670 add_call_read_ops).
15671 (add_call_clobber_ops): Remove use of cache.
15672 Add use of PURE_CONST information.
15673 (add_call_read_ops): Remove use of cache.
15674 Add use of static not_read information.
15676 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15678 Introduce TLS descriptors for i386 and x86_64.
15679 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15680 (TARGET_ANY_GNU_TLS): New macro.
15681 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15682 (struct machine_function): Add tls_descriptor_call_expanded_p.
15683 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15684 (ix86_current_function_calls_tls_descriptor): Likewise.
15685 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15686 (override_options): Introduce gnu2 tls dialect.
15687 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15689 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15691 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15692 (ix86_init_machine_status): Initialize new field.
15693 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15694 (ix86_tls_module_base): New.
15695 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15696 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15697 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15698 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15699 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15700 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15701 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15702 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15703 * config/i386/predicates.md (tls_modbase_operand): New.
15704 (tp_or_register_operand): New.
15706 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15708 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15709 (look_for_address_of): Ditto.
15710 (ipa_init): Walk the function decls.
15711 (static_execute): Don't set readonly on FUNCTION_DECL's.
15713 2006-01-18 Roger Sayle <roger@eyesopen.com>
15715 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15716 for shifts where the source and destination registers are different.
15718 2006-01-18 Paul Brook <paul@codesourcery.com>
15720 Merge from csl-arm-branch.
15721 2005-03-14 Julian Brown <julian@codesourcery.com>
15722 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15723 (aeabi_llsl): Likewise.
15724 (ashrdi3): Likewise.
15725 (aeabi_lasr): Likewise.
15726 (lshrdi3): Likewise.
15727 (aeabi_llsr): Likewise.
15728 2005-03-10 Julian Brown <julian@codesourcery.com>
15729 * config.gcc: Disable shared libgcc for SymbianOS.
15730 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15732 2006-01-18 DJ Delorie <dj@redhat.com>
15734 * c-pragma.c (handle_pragma_diagnostic): New.
15735 (init_pragma): Register it.
15736 * doc/extend.texi: Document it.
15738 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15739 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15740 (diagnostic_context): Add classify_diagnostic[].
15741 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15742 as errors if they're overridden to DK_WARNING.
15743 (diagnostic_initialize): Initialize classify_diagnostic[].
15744 (diagnostic_set_kind_override): New.
15745 (diagnostic_report_diagnostic): Check for kind changes.
15746 * opts.c (common_handle_option): Take lang_mask. Update callers.
15747 Handle OPT_Werror_.
15748 * common.opt (Werror=): New.
15749 * doc/invoke.texi: Document -Werror=*
15751 2006-01-18 Jeff Law <law@redhat.com>
15753 * tree-vrp.c (test_for_singularity): Correct test for new
15754 min limit. Use operand_equal_p rather than pointer equality
15755 for testing if new min/max values are equal.
15757 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15758 using range information until after propagation and folding.
15760 2006-01-18 Richard Henderson <rth@redhat.com>
15761 Aldy Hernandez <aldyh@redhat.com>
15762 Jakub Jelinek <jakub@redhat.com>
15763 Diego Novillo <dnovillo@redhat.com>
15765 * omp-low.c: New file.
15766 * c-omp.c: New file.
15768 2006-01-18 Richard Henderson <rth@redhat.com>
15769 Jakub Jelinek <jakub@redhat.com>
15770 Diego Novillo <dnovillo@redhat.com>
15772 * doc/invoke.texi: Document -fopenmp.
15773 * tree-dump.h (debug_function): Declare.
15774 * hooks.c (hook_bool_tree_bool_false): New function.
15775 (hook_tree_tree_null): Remove.
15776 (hook_tree_tree_tree_null): New.
15777 * hooks.h: Update to match.
15778 * tree-pretty-print.c (debug_tree_chain): New.
15779 (print_generic_expr): Handle TDF_CHAIN.
15780 (dump_generic_node): Handle BLOCK.
15781 Do not abort with incomplete SWITCH_EXPRs.
15782 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15783 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15784 print space after directive name.
15785 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15786 Handle OMP_MASTER and OMP_ORDERED.
15787 Handle printing of OMP_BODY just in one place, goto
15788 dump_omp_body in the rest of OMP_* nodes that have
15790 Don't handle clause nodes here. Update omp statements to
15791 use dump_omp_clauses.
15792 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15793 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15794 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15795 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15796 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15797 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15798 Adjust output for GOMP_PARALLEL.
15799 (dump_omp_clauses): New.
15800 (print_declaration): Dump DECL_VALUE_EXPR.
15801 (op_symbol_1): Split out of op_symbol.
15802 (dumping_stmts): Remove. Update all users.
15803 * cgraph.c (cgraph_analyze_queue): New.
15804 (cgraph_add_new_function): New.
15805 * cgraph.h (cgraph_analyze_queue): Declare.
15806 (cgraph_add_new_function): Declare.
15807 (cgraph_lower_function): Remove.
15808 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15809 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15810 and TYPE_P nodes in its default clause.
15811 (empty_body_p): New.
15812 (tree_range_check_failed): New.
15813 (build5_stat): New.
15814 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15815 OMP_CLAUSE_REDUCTION_MERGE,
15816 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15817 OMP_CLAUSE_PRIVATE_DEBUG,
15818 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15819 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15820 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15821 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15822 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15823 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15824 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15825 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15826 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15827 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15828 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15829 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15830 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15831 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15832 (TREE_RANGE_CHECK): New.
15833 (empty_body_p): Declare.
15834 (enum omp_clause_default_kind): New.
15835 (build_string_literal): Declare.
15836 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15837 (build5_stat, build5): Declare.
15838 * tree-pass.h (TDF_CHAIN): Define.
15839 * tree-pass.h (PROP_gimple_lomp): Define.
15840 (pass_lower_omp): Declare.
15841 * diagnostic.h (debug_tree_chain): Declare.
15842 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15844 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15845 * builtins.c (build_string_literal): Make extern.
15846 * gcc.c (include_spec_function): New.
15847 (static_spec_functions): Add it.
15848 (main): Move load of libgomp.spec ...
15849 (LINK_COMMAND_SPEC): ... here.
15850 (link_gomp_spec): New.
15851 (static_specs): Include it.
15852 (LINK_COMMAND_SPEC): Add link_gomp.
15853 (GOMP_SELF_SPECS): New.
15854 (driver_self_specs): Include it.
15855 (switch_matches): Don't mark inline.
15856 (main): Load libgomp.spec.
15857 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15858 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15859 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15860 * tree-gimple.h (enum omp_parallel): Declare.
15861 (determine_parallel_type): Declare.
15862 (omp_firstprivatize_variable): Declare.
15863 (omp_reduction_init): Declare.
15864 (diagnose_omp_structured_block_errors): Declare.
15865 (struct walk_stmt_info): Add want_return_expr.
15866 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15867 (find_omp_clause): Declare.
15868 (insert_field_into_struct): Declare.
15869 (struct walk_stmt_info): Move from tree-nested.c
15870 (walk_stmts): Declare.
15871 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15873 * cgraphunit.c (cgraph_lower_function): Make static.
15874 (cgraph_finalize_pending_functions): New.
15875 (cgraph_finalize_function): Call it.
15876 (cgraph_finalize_compilation_unit): Likewise.
15877 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15878 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15879 (BT_FN_UINT_UINT): New.
15880 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15881 DEF_FUNCTION_TYPE_VAR_4): Document.
15882 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15883 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15884 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15885 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15886 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15887 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15888 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15889 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15890 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15891 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15892 into separate files.
15893 (DEF_GOMP_BUILTIN): New.
15894 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15895 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15896 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15897 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15898 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15899 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15900 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15901 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15902 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15903 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15904 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15905 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15906 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15907 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15908 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15909 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15910 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15911 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15912 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15913 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15914 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15915 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15916 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15917 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15918 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15919 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15920 * sync-builtins.def: New file, moved from builtins.def.
15921 * omp-builtins.def: New file, moved from builtins.def.
15922 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15923 * gimple-low.c (lower_function_body): Clear data.
15924 (lower_stmt): Do not handle COMPOUND_EXPR.
15925 Remove call to print_node_brief.
15926 * c-tree.h (c_finish_omp_clauses): New prototype.
15927 (C_DECL_THREADPRIVATE_P): Define.
15928 (lookup_name_no_remap, c_omp_remap_private): Remove
15929 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15930 (check_for_loop_decls): Update decl.
15931 (lookup_name_no_remap, c_omp_remap_private): Declare.
15932 (build_indirect_ref, build_modify_expr, pushdecl,
15933 pushdecl_top_level): Move to c-common.h.
15934 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15935 before the switch, but just in the 2 places that need it.
15936 * c-decl.c (diagnose_mismatched_decls): Do not check for
15937 mismatched thread-local attributes when OLDDECL is marked
15938 threadprivate and NEWDECL has no thread-local attributes.
15939 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15940 (c_gimple_diagnostics_recursively): Rename from
15941 c_warn_unused_result_recursively. Invoke
15942 diagnose_omp_structured_block_errors.
15943 (check_for_loop_decls): Return a singular decl found.
15944 * langhooks.c (lhd_omp_predetermined_sharing): Return
15945 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15946 (lhd_omp_firstprivatize_type_sizes): New.
15947 (lhd_omp_assignment): New.
15948 (lhd_omp_predetermined_sharing): New.
15949 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15950 (struct lang_hooks_for_types): Add
15951 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15952 omp_predetermined_sharing, omp_disregard_value_expr,
15953 omp_private_debug_clause, omp_clause_default_ctor,
15954 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15955 (c_finish_omp_clauses): New.
15956 (c_finish_bc_stmt): Diagnose break within omp for.
15957 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15958 (build_unary_op): Return error_mark after reporting
15960 (build_modify_expr): Likewise.
15961 * gimplify.c: Include optabs.h and pointer-set.h.
15962 (enum gimplify_omp_var_data): Declare.
15963 (struct gimplify_omp_ctx): Declare.
15964 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15966 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15967 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15968 (splay_tree_compare_decl_uid): New.
15969 (new_omp_context): New.
15970 (delete_omp_context): New.
15971 (gimple_add_tmp_var): Call omp_add_variable.
15972 (gimplify_bind_expr): Likewise.
15973 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15974 true, disregard DECL_VALUE_EXPR on the decl if any.
15975 (gimplify_expr_in_ctx): New.
15976 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15977 omp_add_variable, omp_notice_variable, omp_is_private
15978 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15979 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15980 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15981 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15982 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15983 gimplify_omp_atomic): New.
15984 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15985 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15986 OMP_CRITICAL and OMP_ATOMIC.
15987 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15988 * c-pragma.h (enum pragma_kind): Add
15989 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15990 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15991 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15992 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15993 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15994 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15995 PRAGMA_OMP_THREADPRIVATE.
15996 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15997 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15998 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15999 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16000 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16001 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16002 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16003 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16004 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16005 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16006 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16007 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16008 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16010 (struct nesting_info): Add field_map,
16011 suppress_expansion, debug_var_chain.
16012 (create_nesting_tree): Initialize them.
16013 (lookup_field_for_decl): Use field_map.
16014 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16015 (convert_local_omp_clauses): New.
16016 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16017 (walk_body): Split out of walk_function.
16018 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16019 (convert_nonlocal_reference): Handle omp statements.
16020 (convert_local_reference): Likewise.
16021 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16022 (unnest_nesting_tree): New.
16023 (lower_nested_functions): Call it.
16024 (insert_field_into_struct): Make extern.
16025 (struct walk_stmt_info): Move to tree-gimple.h.
16026 (walk_stmts): Make extern.
16027 * omp-builtins.def: New file.
16028 * tree-iterator.c (expr_only): Clarify comment.
16029 * c-common.h (pushdecl_top_level, pushdecl,
16030 build_modify_expr, build_indirect_ref,
16031 c_finish_omp_master, c_finish_omp_critical,
16032 c_finish_omp_ordered, c_finish_omp_barrier,
16033 c_finish_omp_atomic, c_finish_omp_flush,
16034 c_finish_omp_for, c_split_parallel_clauses,
16035 omp_clause_default_kind, c_omp_sharing_predetermined,
16036 c_omp_remap_decl): Declare.
16037 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16038 (OBJS-common): Add omp-low.o.
16039 (c-omp.o, omp-low.o): Add.
16040 (gimplify.o): Add dependency on $(OPTABS_H).
16041 (GTFILES): Add omp-low.c.
16042 (gt-stringpool.h): Add.
16043 * tree-cfg.c (set_bb_for_stmt): Do not update the
16044 block-to-labels map if we are currently expanding to RTL.
16045 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16047 Handle IDENTIFIER_NODE.
16048 (tree_verify_flow_info): Do not ICE when emitting error
16049 messages about invalid labels.
16050 (dump_function_to_file): Reset CFUN before emitting the body
16052 (debug_function): New.
16053 * passes.c (init_optimization_passes): Schedule
16055 * langhooks-def.h (lhd_omp_predetermined_sharing,
16056 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16058 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16059 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16060 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16061 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16062 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16063 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16064 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16065 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16066 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16067 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16068 (LANG_HOOK_DECLS): Use them.
16070 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16071 Richard Henderson <rth@redhat.com>
16072 Jakub Jelinek <jakub@redhat.com>
16073 Diego Novillo <dnovillo@redhat.com>
16075 * c-parser.c (pragma_omp_clause): Define.
16076 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16077 (c_parser_compound_statement): Likewise.
16078 (c_parser_statement): Likewise.
16079 (c_parser_pragma): Handle omp pragmas.
16080 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16081 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16082 (c_parser_omp_clause_name, check_no_duplicate_clause,
16083 c_parser_omp_variable_list,
16084 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16085 c_parser_omp_clause_copyprivate,
16086 c_parser_omp_clause_default,
16087 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16088 c_parser_omp_clause_lastprivate,
16089 c_parser_omp_clause_nowait,
16090 c_parser_omp_clause_num_threads,
16091 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16092 c_parser_omp_clause_reduction,
16093 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16094 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16095 c_parser_omp_atomic, c_parser_omp_barrier,
16096 c_parser_omp_critical, c_parser_omp_flush,
16097 c_parser_omp_for_loop, c_parser_omp_for,
16098 c_parser_omp_master, c_parser_omp_ordered,
16099 c_parser_omp_sections_scope, c_parser_omp_sections,
16100 c_parser_omp_parallel, c_parser_omp_single,
16101 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16102 * c-pragma.c (init_pragma): Do omp pragma registration here.
16103 * c.opt (fopenmp): New flag.
16105 2006-01-18 Eric Christopher <echristo@apple.com>
16107 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16108 * config/darwin.h (GOMP_SELF_SPECS): Define.
16110 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16112 * rtl.h: Remove the prototype for reg_alloc.
16114 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16117 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16118 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16119 sjlj and dwarf2 exception handling.
16120 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16121 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16122 * pa/pa.c (function_value): Treat complex and vector types as
16124 (function_arg): Likewise. Only pass scalar floats in the floating
16125 point argument registers.
16126 * pa/t-slibgcc-dwarf-ver: New file.
16127 * pa/t-slibgcc-sjlj-ver: New file.
16128 * pa/t-slibgcc-elf-ver: Delete file.
16130 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16132 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16133 unlikely_test_section_p test.
16135 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16137 * mode-switching.c (optimize_mode_switching): Make it static.
16138 * basic-block.h: Remove the prototype for
16139 optimize_mode_switching.
16141 * modulo-sched.c (sms_schedule): Make it static.
16142 * rtl.h: Remove the prototype for sms_schedule.
16144 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16145 * rtl.h: Remove the prototype for gcse_after_reload_main.
16147 * reg-stack.c (reg_to_stack): Make it static.
16148 * rtl.h: Remove the prototype for reg_to_stack.
16150 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16152 * rtl.h: Remove the prototypes for regrename_optimize and
16153 copyprop_hardreg_forward.
16155 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16157 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16158 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16159 Test against the appropriate null constant for the mode.
16160 If 'fixup_overlap' is true, swap the operands if they overlap.
16161 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16162 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16163 alpha_split_tmode_pair and adjust for above change.
16164 * config/alpha/alpha.md (movtf_internal): Adjust call to
16165 alpha_split_tfmode_pair and rely on it to swap the operands.
16166 (movti_internal): New insn and post-reload splitter.
16167 (movti): New expander.
16169 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16171 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16174 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16176 * rtlanal.c (global_reg_mentioned_p_1,
16177 global_reg_mentioned_p): Remove.
16178 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16180 * flow.c (initialize_uninitialized_subregs): Make it static.
16181 * rtl.h: Remove the prototype for
16182 initialize_uninitialized_subregs.
16184 * function.c (instantiate_virtual_regs): Make it static.
16185 * function.h: Remove the prototype for
16186 instantiate_virtual_regs.
16188 * regmove.c (regmove_optimize, combine_stack_adjustments):
16190 * rtl.h: Remove the prototypes for regmove_optimize and
16191 combine_stack_adjustments.
16193 2006-01-17 Roger Sayle <roger@eyesopen.com>
16195 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16196 (size_cost): Encode costs in bytes so that a reg-reg addition is
16197 equivalent to COSTS_N_INSNS(1).
16198 (override_options): Use the size_cost.branch_cost as the default
16199 ix86_branch_cost when optimizing for size.
16201 2006-01-18 Ben Elliston <bje@au.ibm.com>
16203 * Makefile.in (D32PBIT_FUNCS): New.
16204 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16205 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16206 D64PBIT_FUNCS and D128PBIT_FUNCS.
16207 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16208 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16210 (decnumber_dep): Define.
16211 * doc/libgcc.texi (Decimal float library routines): New node.
16212 * config/dfp-bit.h, config/dfp-bit.c: New files.
16214 2006-01-18 Ben Elliston <bje@au.ibm.com>
16216 * expr.c (emit_move_change_mode): Always adjust addresses, not
16217 just during reload. Copy replacements only during reload.
16218 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16219 emit_move_via_integer.
16221 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16223 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16224 instead of $(srcdir) and ${srcdir}.
16226 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16229 PR middle-end/11135
16230 * arm.h (struct machine_function): Add pic_reg.
16231 * arm.c (arm_pic_register): Make unsigned.
16232 (arm_override_options): Only set arm_pic_register if
16233 TARGET_SINGLE_PIC_BASE.
16234 (use_return_insn): Only test for a pic register if it is fixed.
16235 (arm_compute_save_reg0_reg12_mask): Likewise.
16236 (thumb_compute_save_reg_mask): Likewise.
16237 (legitimate_pic_operand): Factor out some known invariants.
16238 (legitimize_pic_address): If we don't have a fixed pic register,
16239 then set up a pseudo in the function entry sequence. Handle the
16240 pic base being in a pseudo.
16241 (arm_load_pic_register): Handle the pic register being in a pseudo.
16242 (arm_expand_prologue): Only set up the pic register if it is fixed.
16243 (thumb_expand_prologue): Likewise.
16244 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16245 (pic_load_addr_based_insn): Likewise.
16246 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16249 2006-01-18 Ben Elliston <bje@au.ibm.com>
16251 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16252 decimal float modes for all floating point registers.
16254 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16255 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16257 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16260 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16261 even when the pointer is not NULL.
16263 2006-01-16 Ian Lance Taylor <ian@airs.com>
16265 * common.opt (ftoplevel-reorder): New option.
16266 * cgraph.c (cgraph_asm_nodes): New global variable.
16267 (cgraph_asm_last_node): New static variable.
16268 (cgraph_order): New global variable.
16269 (cgraph_create_node): Set new order field.
16270 (cgraph_varpool_node): Likewise.
16271 (decide_is_variable_needed): Return true if not
16272 flag_toplevel_reorder.
16273 (cgraph_add_asm_node): New function.
16274 * cgraph.h (struct cgraph_node): Add order field.
16275 (struct cgraph_varpool_node): Add order field.
16276 (struct cgraph_asm_node): Define.
16277 (cgraph_asm_nodes, cgraph_order): Declare.
16278 (cgraph_add_asm_node): Declare.
16279 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16281 (cgraph_varpool_assemble_pending_decls): Call it.
16282 (cgraph_output_pending_asms): New static function.
16283 (cgraph_finalize_compilation_unit): Call it.
16284 (struct cgraph_order_sort): Define.
16285 (cgraph_output_in_order): New static function.
16286 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16287 !flag_toplevel_reorder case.
16288 * c-parser.c: Include "cgraph.h".
16289 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16291 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16292 than -fno-unit-at-a-time.
16293 * doc/invoke.texi (Option Summary): Mention
16294 -fno-toplevel-reorder.
16295 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16296 -funit-at-a-time documentation.
16298 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16299 Kazu Hirata <kazu@codesourcery.com>
16301 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16303 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16305 * Makefile.in (FUNCTION_H): New. Use it instead of
16306 function.h throughout the file.
16307 * function.h: Include tree.h.
16309 2006-01-17 Ben Elliston <bje@au.ibm.com>
16311 * recog.c: Separate some functions with whitespace.
16313 2006-01-16 Richard Henderson <rth@redhat.com>
16315 Merge from gomp branch:
16316 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16317 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16318 and rename from struct inline_data. Rename callee* to dst*;
16319 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16320 transform_new_cfg, transform_return_to_modify, and
16321 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16323 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16324 (copy_decl_for_dup): Remove.
16325 * tree-inline.c (struct inline_data): Move to header.
16326 (insert_decl_map): Export.
16327 (remap_decl): Update for member name changes. Use copy_decl hook.
16328 Allow for replacement to be a non-decl. Remove dead code.
16329 (remap_type_1): Check for existing mapping.
16330 (remap_type): Export.
16331 (remap_decls): Update for member name changes.
16332 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16333 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16334 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16335 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16336 (tree_function_versioning, build_duplicate_type): Likewise.
16337 (copy_body_r): Likewise. Export.
16338 (copy_decl_for_dup): Split into ...
16339 (copy_decl_for_dup_finish, copy_decl_to_var,
16340 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16341 (replace_ref_tree, inlining_p): Remove.
16343 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16345 * ifcvt.c (if_convert): Make it static.
16346 * rtl.h: Remove the prototype for if_convert.
16348 * local-alloc.c (local_alloc): Make it static.
16349 * rtl.h: Remove the prototype for local_alloc.
16351 * loop.c (loop_optimize): Make it static.
16352 * cfgloop.h: Remove the prototype for loop_optimize.
16355 2006-01-16 DJ Delorie <dj@redhat.com>
16357 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16360 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16362 * pa.md: Disparage copies between general and floating-point registers
16363 in 32-bit move patterns.
16365 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16368 * Makefile.in (check-%): Depend on site.exp instead of
16369 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16372 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16374 * global.c (global_alloc): Make it static.
16375 * rtl.h: Remove the prototype for global_alloc.
16377 2006-01-16 Richard Guenther <rguenther@suse.de>
16379 * tree-ssa-alias.c (struct used_part): Add write_only field.
16380 (get_or_create_used_part_for): Initialize it to true.
16381 (create_overlap_variables_for): Don't create structure variables
16382 for structures that only are written to.
16383 (find_used_portions): Handle MODIFY_EXPR to track whether a
16384 structure is only written to.
16386 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16388 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16390 * basic-block.h: Remove the prototype for
16391 partition_hot_cold_basic_blocks.
16393 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16395 * cppspec.c (lang_specific_spec_functions): Remove.
16396 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16397 * gcc.h (lang_specific_spec_functions): Remove.
16398 * gccspec.c (lang_specific_spec_functions): Remove.
16400 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16402 * combine.c (record_value_for_reg): Invalidate registers
16404 (record_dead_and_set_regs_1): Likewise, by passing them to
16405 record_value_for_reg.
16406 (record_dead_and_set_regs): Invalidate stores made by a
16407 call. We do not combine across a call, but we still
16408 relied on equivalences.
16410 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16412 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16413 vrp_int_const_binop returning non-constant nodes.
16415 2006-01-16 Paul Brook <paul@codesourcery.com>
16417 * config/m68k/m68k.c (output_move_const_into_data_reg):
16418 Output correct mnemonic for mvz and mvs.
16420 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16422 * rtl-factoring.c: Add sequence abstraction algorithm.
16423 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16424 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16426 (block_has_preserve_label): New function.
16427 * common.opt: Register new pass.
16428 * Makefile.in: Ditto.
16430 * timevar.def: Ditto.
16431 * tree-pass.h: Ditto.
16432 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16433 * rtl.h (make_jump_insn_raw): Add forward decl.
16434 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16436 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16437 Roger Sayle <roger@eyesopen.com>
16439 * fold-const.c (fold_minmax): New static function.
16440 (fold_binary) <MIN_EXPR>: Call it.
16441 <MAX_EXPR>: Likewise.
16442 * stor-layout.c (place_field): Use DECL_SIZE consistently
16443 in the computation of the new record size.
16445 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16447 * cse.c (cse_condition_code_reg): Make it static.
16448 * rtl.h: Remove the prototype for cse_condition_code_reg.
16450 * combine.c (combine_instructions): Make it static.
16451 * rtl.h: Remove the prototype for combine_instructions.
16453 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16456 * tree.c (get_file_function_name_long): Concatenate the first global
16457 object name with a string derived from the input filename of the object
16460 2006-01-16 Ben Elliston <bje@au.ibm.com>
16462 * config/i386/winnt-stubs.c: Update FSF address.
16463 * config/xtensa/ieee754-df.S: Ditto.
16464 * config/xtensa/ieee754-sf.S: Ditto.
16466 2006-01-14 Ian Lance Taylor <ian@airs.com>
16468 * ifcvt.c (noce_init_if_info): New static function, broken out of
16469 noce_process_if_block.
16470 (noce_process_if_block): Call noce_init_if_info.
16471 (check_cond_move_block): New static function.
16472 (cond_move_process_if_block): New static function.
16473 (process_if_block): Call cond_move_process_if_block.
16475 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16477 * cselib.c (hash_table): Rename to cselib_hash_table.
16478 (cselib_clear_table, discard_useless_values,
16479 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16480 cselib_init, cselib_finish): Adjust uses of hash_table.
16482 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16484 PR tree-optimization/25485
16485 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16486 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16487 is known to be false and true, respectively.
16489 2006-01-14 Richard Guenther <rguenther@suse.de>
16491 PR tree-optimization/22548
16492 PR tree-optimization/22555
16493 PR tree-optimization/22501
16494 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16495 * params.def (salias-max-array-elements): New parameter.
16496 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16497 * doc/invoke.texi (salias-max-array-elements): Document.
16498 * tree-flow-inline.h (var_can_have_subvars): We also handle
16500 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16502 * tree-ssa-structalias.c (params.h): Include.
16503 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16504 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16505 (get_constraint_for): For ADDR_EXPR operating on something
16506 containing an ARRAY_REF, add all subvars to the solution.
16507 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16508 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16509 for creating MUST_DEFs.
16510 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16512 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16514 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16516 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16517 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16518 number_of_iterations_le): New functions.
16519 (number_of_iterations_special): Removed.
16520 (number_of_iterations_exit): Do not use number_of_iterations_special.
16521 * tree.c (unsigned_type_for): Always return integer type.
16523 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16524 Richard Guenther <rguenther@suse.de>
16526 PR rtl-optimization/24257
16527 * gcse.c (find_moveable_store): Only consider a store movable
16528 when the SET_SRC of the insn can be assigned to a register.
16530 2006-01-14 Ian Lance Taylor <ian@airs.com>
16532 * tree.c (tree_not_class_check_failed): New function.
16533 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16534 (tree_not_class_check_failed): Declare.
16536 2006-01-13 Ian Lance Taylor <ian@airs.com>
16538 * reload1.c (do_output_reload): Add assertion rejecting a
16541 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16543 * combine.c (struct reg_stat): Add new fields truncation_label and
16545 (record_value_for_reg): Reset truncated_to_mode.
16546 (record_truncated_value): New function.
16547 (check_promoted_subreg): Call it. Rename to check_conversions.
16548 (combine_instructions): Rename check_promoted_subreg to
16550 (reg_truncated_to_mode): New function.
16551 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16552 (gen_lowpart_or_truncate): New function.
16553 (force_to_mode): Use it instead of gen_lowpart.
16555 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16557 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16558 VAR is a tag, not its type tag.
16560 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16562 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16563 alternatives to match style of other entries.
16564 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16566 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16568 PR tree-optimization/25771
16569 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16572 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16575 * tree-inline.c (declare_return_variable): If the return variable
16576 was marked as a non gimple complex, set the return slot variable
16577 to be a non gimple comple variable.
16579 2006-01-13 Richard Guenther <rguenther@suse.de>
16581 * builtins.c (expand_builtin_sincos): New function.
16582 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16584 (expand_builtin): Expand sincos using expand_builtin_sincos.
16586 2006-01-12 DJ Delorie <dj@redhat.com>
16588 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16589 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16590 so that constant shifts can be split.
16591 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16592 (m32c_valid_pointer_mode): Make static.
16593 (shift_gen_func_for): New.
16594 (m32c_prepare_shift): Use it. Split large const shifts into
16596 * config/m32c/predicates.md (shiftcount_operand): Allow more
16598 (longshiftcount_operand): New.
16599 * doc/md.texi (Machine Constraints): Document In6.
16601 2006-01-13 Ben Elliston <bje@au.ibm.com>
16603 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16604 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16607 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16609 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16610 to try to avoid clobbering pieces of structures when we know
16611 something about the whole structure.
16612 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16614 2006-01-13 Ben Elliston <bje@au.ibm.com>
16616 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16617 return in memory, as this is no limitation is no longer present.
16619 2006-01-12 DJ Delorie <dj@redhat.com>
16621 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16622 mova with fb, and for fb+0 -> An.
16624 * config/m32c/mov.md (peephole2): Fix enabling logic.
16626 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16627 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16628 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16629 FINI_ARRAY_SECTION_ASM_OP): Define.
16631 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16633 (m32c_legitimize_reload_address): New logic to reload FB to An.
16634 (m32c_output_reg_push): Add newline.
16635 (m32c_output_reg_pop): Likewise.
16637 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16639 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16641 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16643 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16645 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16647 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16650 2006-01-11 Ben Elliston <bje@au.ibm.com>
16652 * rtlanal.c (find_reg_note): Assert insn is not null.
16654 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16656 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16659 2006-01-11 Jeff Law <law@redhat.com>
16661 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16663 (mark_threaded_blocks, register_jump_thread): New functions.
16664 (thread_through_all_blocks): Remove unwanted argument. No
16665 longer rely on e->aux to communicate thread target info.
16666 Call mark_threaded_blocks. Release the threaded_blocks
16667 bitmap and threaded_edges vector when complete.
16668 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16669 (threaded_blocks): Remove.
16670 (tree_ssa_dominator_optimize): Remove initialization and
16671 finalization of threaded_blocks. Simplify call to
16672 thread_through_all_blocks.
16673 (thread_across_edge): Call register_jump_thread rather than
16674 storing thread information into e->aux.
16675 (free_all_edge_infos): Simplify now that e->aux is no longer
16676 used to communicate with thread_through_all_blocks.
16677 * tree-flow.h (thread_through_all_blocks): Update prototype.
16678 (register_jump_thread): Prototype.
16680 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16682 * df-core.c (df_compact_blocks, df_bb_replace): Use
16683 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16685 2006-01-11 Richard Guenther <rguenther@suse.de>
16687 PR tree-optimization/25734
16688 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16689 stop propagation after successful propagation to the LHS.
16691 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16693 * basic-block.h (control_flow_graph): Change the type of
16694 x_basic_block_info to VEC(basic_block,gc) *.
16695 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16697 (SET_BASIC_BLOCK): New.
16698 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16699 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16700 * cfgbuild.c (find_basic_blocks): Likewise.
16701 * cfglayout.c (fixup_reorder_chain): Likewise.
16702 * cfgrtl.c (create_basic_block_structure,
16703 rtl_create_basic_block): Likewise.
16704 * ifcvt.c (find_if_case_1): Likewise.
16705 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16708 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16710 * Makefile.in: Removed rotted odf.c entry.
16712 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16715 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16716 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16717 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16718 output pattern modifier, not %e.
16719 * config/cris/cris.c (cris_op_str): Update comment about pattern
16721 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16722 before falling through into...
16723 <case 'E'>: Redefined from old 'e' case.
16725 2006-01-11 Jan Hubicka <jh@suse.cz>
16728 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16730 2006-01-11 Jan Hubicka <jh@suse.cz>
16732 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16733 * i386.c (x86_decompose_lea): Kill.
16734 (ix86_rtx_costs): Kill.
16736 2006-01-11 Jan Hubicka <jh@suse.cz>
16738 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16739 * cgraph.h (cgraph_node): Add inline_decl.
16740 (cgraph_insert_node_to_hashtable): Declare.
16741 (save_inline_function_body): Declare.
16742 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16744 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16745 (cgraph_function_versioning): Update call of tree_function_versioning.
16746 (save_inline_function_body): New function.
16747 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16748 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16749 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16750 (cgraph_default_inline_p): Likewise.
16751 (cgraph_decide_inlining_incrementally): Likewise.
16752 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16753 (copy_bb): Kill saving; do updating of clones.
16754 (copy_cfg_body): Kill saving.
16755 (initialize_inlined-parameters): Likewise.
16756 (expand_call_inline): Likewise.
16758 (tree_function_versioning): New parameter "update_clones".
16759 (inlining_p): Kill saving.
16760 * tree-inline.h (tree_function_versioning): Update prototype.
16761 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16764 2006-01-11 Ian Lance Taylor <ian@airs.com>
16766 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16767 Allow undoing set of machine mode.
16768 (do_SUBST): Use enums instead of is_int.
16769 (do_SUBST_MODE): New function.
16770 (SUBST_MODE): New macro.
16771 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16772 reg and trying to replace reg_regno_rtx with a new register.
16773 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16774 (simplify_set): Use SUBST_MODE.
16775 (distribute_notes): Remove code that tried to update reg notes
16776 for regno_reg_rtx changes.
16778 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16780 PR tree-optimization/23109
16781 PR tree-optimization/23948
16782 PR tree-optimization/24123
16784 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16785 * tree-cfg.c (single_noncomplex_succ): New.
16786 * tree-flow.h (single_noncomplex_succ): Declare it.
16787 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16788 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16789 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16790 insert_bb, register_division_in, insert_reciprocals,
16791 replace_reciprocal, free_bb): New.
16792 (execute_cse_reciprocals_1): Rewritten.
16793 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16794 Do not commit any edge insertion. Always compute dominators and
16795 create the allocation pool.
16796 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16797 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16798 * targhooks.c (default_min_divistions_for_recip_mul): New.
16799 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16800 * passes.c (init_optimization_passes): Run recip after tree loop
16802 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16804 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16805 Kenneth Zadeck <zadeck@naturalbridge.com>
16807 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16808 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16809 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16810 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16811 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16812 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16813 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16814 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16815 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16816 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16817 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16818 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16819 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16820 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16821 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16822 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16823 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16824 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16825 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16826 DF_SCAN_POST_ALLOC): New macros.
16827 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16828 df_free_bb_function, df_local_compute_function, df_init_function,
16829 df_dataflow_function, df_confluence_function_0,
16830 df_confluence_function_n, df_transfer_function,
16831 df_finalizer_function, df_free_function, df_dump_problem_function,
16832 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16833 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16834 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16835 df_urec_bb_info, ) New types.
16836 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16838 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16839 df_analyze_simple_change_some_blocks,
16840 df_analyze_simple_change_one_block, df_compact_blocks,
16841 df_bb_replace, df_bb_regno_last_use_find,
16842 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16843 df_insn_regno_def_p, df_find_def, df_find_use,
16844 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16845 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16846 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16847 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16848 debug_df_chain, df_get_dependent_problem, df_chain_create,
16849 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16850 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16851 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16852 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16853 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16854 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16855 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16856 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16857 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16858 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16859 df_reorganize_refs, df_set_state, df_hard_reg_init,
16860 df_read_modify_subreg_p) New public functions.
16861 * df-core.c: The core dataflow solver and glue routines for rtl
16863 (df_init, df_add_problem, df_set_blocks, df_finish,
16864 df_hybrid_search_forward, df_hybrid_search_backward,
16865 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16866 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16867 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16868 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16869 df_reg_defined, df_find_use, df_reg_used, df_dump,
16870 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16871 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16872 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16873 debug_df_useno, reset_df_after_reload): New functions.
16874 * df-scan.c: The scanning fuctions, once in df.c, completely
16875 rewritten so that they now fully model the functionality of
16876 register usage at the backend.
16877 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16878 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16879 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16880 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16881 df_get_artificial_defs, df_get_artificial_uses,
16882 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16883 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16884 df_refs_delete, df_reorganize_refs, df_set_state,
16885 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16886 df_def_record_1, df_defs_record, df_uses_record,
16887 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16888 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16889 df_record_exit_block_uses, df_hard_reg_init): New functions.
16891 * df-problems.c: Seven concrete dataflow problems that use the
16892 scanning in df-scan.c and are solved by the engine in df-core.c.
16893 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16894 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16895 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16896 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16897 df_ru_free_bb_info, df_ru_alloc,
16898 df_ru_bb_local_compute_process_def,
16899 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16900 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16901 df_ru_transfer_function, df_ru_free, df_ru_dump,
16902 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16903 df_rd_free_bb_info, df_rd_alloc,
16904 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16905 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16906 df_rd_transfer_function, df_rd_free, df_rd_dump,
16907 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16908 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16909 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16910 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16911 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16912 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16913 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16914 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16915 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16916 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16917 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16918 df_urec_mark_reg_use_for_earlyclobber,
16919 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16920 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16921 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16922 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16923 df_chain_create_bb_process_use, df_chain_create_bb,
16924 df_chain_finalize, df_chain_free, df_chains_dump,
16925 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16926 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16927 df_reg_lifetime): New functions.
16928 * df.c: Deleted file.
16929 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16930 consistent with new df api.
16931 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16932 rest_of_handle_sms): Ditto.
16933 * web.c (unionfind_union, union_defs, entry_register, web_main):
16935 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16936 invariant_expr_equal_p, find_defs, check_dependencies,
16937 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16938 free_inv_motion_data, move_loop_invariants): Ditto.
16939 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16940 Update dependencies.
16941 (odf.c): Added defective entry that was deleted later in day.
16942 * sched-deps.c (sched_analyze_1): Ditto.
16944 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16946 * tree-ssa-operands.c (get_expr_operands): Record addressable
16947 variables directly. Do not call add_stmt_operands for CONST_DECLs
16949 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16950 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16952 2006-01-11 Ben Elliston <bje@au.ibm.com>
16954 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16955 function returns true in the positive case.
16957 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16960 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16961 for SI, DI, SF and DF modes. Add alternatives to copy between
16962 general and floating point registers to the 32-bit patterns.
16963 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16964 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16965 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16966 generating 64-bit code.
16967 * config/pa/pa.c (output_move_double): Handle copies between general
16968 and floating registers.
16970 2006-01-10 Stuart Hastings <stuart@apple.com>
16972 * config/i386/i386.md (set_got): Update.
16973 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16974 (builtin_setjmp_receiver): Mach-O support.
16975 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16976 (GOT_SYMBOL_NAME): Define.
16977 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16978 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16979 * config/i386/i386.c (override_options): Revise for Darwin.
16980 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16981 support. (darwin_x86_file_end): New. (output_set_got): Add label
16982 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16983 * config/i386/i386-protos.h (output_set_got): Likewise.
16984 * config/darwin.c (machopic_legitimize_pic_address): Update
16987 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16989 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16990 when MODE isn't BLKmode.
16992 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16994 PR rtl-optimization/25367
16995 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16997 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17000 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17001 for a negative bound.
17003 2006-01-10 Richard Guenther <rguenther@suse.de>
17005 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17006 Never override with anything constraint.
17008 2006-01-10 Jan Beulich <jbeulich@novell.com>
17010 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17011 256 bits when optimize_size.
17013 2006-01-10 Jan Beulich <jbeulich@novell.com>
17015 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17017 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17018 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17021 2006-01-10 Ben Elliston <bje@au.ibm.com>
17023 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17025 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17026 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17027 (USE_FP_FOR_ARG): Reject decimal float modes.
17028 (function_arg_advance): Likewise.
17029 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17030 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17031 point types in AltiVec vectors.
17032 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17033 (rs6000_libcall_value): Likewise.
17035 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17037 * config/xtensa/ieee754-df.S: New file.
17038 * config/xtensa/ieee754-sf.S: New file.
17039 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17040 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17041 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17043 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17045 * config/sh/predicates.md (binary_float_operator,
17046 binary_logical_operator, commutative_float_operator,
17047 equality_comparison_operator, greater_comparison_operator,
17048 less_comparison_operator, logical_operator,
17049 noncommutative_float_operator, shift_operator,
17050 symbol_ref_operand, unary_float_operator): Remove redundant
17053 2006-01-09 Jeff Law <law@redhat.com>
17055 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17056 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17057 now unused arguments. Callers updated.
17058 (eliminate_redundant_computations): Remove now unused arguments,
17060 (local_fold): Remove, no longer used.
17061 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17063 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17064 (simplify_cond): New function.
17065 (forward_propagate_into_cond): Call simplify_cond.
17067 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17069 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17070 (*vec_extractv2di_1_sse): New.
17072 2006-01-09 Ben Elliston <bje@au.ibm.com>
17074 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17076 2006-01-08 Richard Guenther <rguenther@suse.de>
17078 * tree-ssa-structalias.c (get_constraint_for): Remove
17079 anyoffset argument.
17080 (get_constraint_for_component_ref): Likewise.
17081 (do_deref): Likewise.
17082 (get_constraint_for): Likewise.
17083 (do_structure_copy): Likewise.
17084 (handle_ptr_arith): Likewise.
17085 (find_func_aliases): Likewise. Remove unused need_anyoffset
17088 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17089 Kaz Kojima <kkojima@gcc.gnu.org>
17091 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17092 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17093 (EXTRA_CONSTRAINT_C16): Remove.
17094 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17095 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17096 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17097 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17098 constants of SHmedia. Handle nested constant expressions of
17100 (andcosts): Fix the costs for SHmedia constants.
17101 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17102 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17103 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17104 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17105 (movv4hi_i, movv2si_i): Likewise.
17106 (movsi_const): Adjust the second operand of ior so to match with
17107 the Csu constraint.
17108 (movdi_const, movdi_const_32bit): Likewise.
17109 (movdi_const_16bit+1): Don't sign-extend LOW.
17110 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17112 (*double_shori): Fix the split condition. Use GEN_INT instead
17113 of get_int_mode calls. Mask lower 16-bit of the argument of
17115 (sym2GOTPLT): Remove.
17116 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17118 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17119 instead of EXTRA_CONSTRAINT_C16.
17121 2006-01-07 Ian Lance Taylor <ian@airs.com>
17122 David Edelsohn <edelsohn@gnu.org>
17124 PR rtl-optimization/25662
17125 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17126 for constant operands instead of simplify_gen_binary.
17127 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17128 after trying simplify_binary_operation
17130 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17132 * tree.c (iterative_hash_expr): Hash decls based on UID.
17134 2006-01-06 Eric Christopher <echristo@apple.com>
17136 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17137 (TARGET_UNWIND_EMIT): Fix spelling.
17138 * target.h (gcc_target): Add except_table_label.
17139 * except.c (output_function_exception_table): Use.
17140 * varasm.c (default_emit_except_table_label): New.
17141 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17143 (asm_out): Add here.
17144 * output.h (default_emit_except_table_label): Prototype.
17145 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17146 * config/darwin.c (darwin_emit_except_table_label): Define.
17147 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17149 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17151 PR tree-optimization/18527
17152 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17153 number_of_iterations_special, number_of_iterations_exit):
17154 Move base and step of an iv to a single structure. Add
17155 no_overflow flag, and use it in # of iterations analysis.
17156 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17157 folded_casts argument.
17158 (simple_iv): Pass base and step in a structure. Set no_overflow
17160 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17161 Evaluate expensiveness of computing # of iterations instead of
17162 the final expression.
17163 * tree-scalar-evolution.h (affine_iv): New structure.
17164 (simple_iv): Declaration changed.
17165 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17166 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17167 find_givs_in_stmt): Changed due to simple_iv change.
17169 2006-01-06 Jeff Law <law@redhat.com>
17172 * tree-cfg.c (bsi_replace): Rename final argument from
17173 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17174 change (stmt -> orig_stmt).
17175 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17176 (bsi_remove): Add new argument. Remove EH information
17178 (verify_eh_throw_table_statements): New function.
17179 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17181 * tree-optimize.c (execute_free_cfg_annotations): Verify
17182 the EH throw statement table after removing annotations.
17183 * except.h (verify_eh_throw_table_statements): Prototype.
17184 * tree-flow.h (bsi_remove): Update prototype.
17185 * tree-vrp.c (remove_range_assertions): Add new argument to
17187 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17188 * tree-complex.c (expand_complex_div_wide): Likewise.
17189 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17190 * tree-tailcall.c (eliminate_tailcall): Likewise.
17191 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17192 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17193 * tree-nrv.c (tree_nrv): Likewise.
17194 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17195 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17196 (combine_blocks): Likewise.
17197 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17198 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17199 (cleanup_control_flow): Likewise.
17200 (remove_forwarder_block): Likewise.
17201 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17202 * tree-sra.c (sra_replace): Likewise.
17203 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17204 (forward_propagate_single_use_vars): Likewise.
17205 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17206 * tree-inline.c (expand_call_inline): Likewise.
17207 * tree-vect-transform.c (vect_transform_loop): Likewise.
17208 * tree-outof-ssa.c (rewrite_trees): Likewise.
17209 * tree-cfg.c (make_goto_expr_edges): Likewise.
17210 (cleanup_dead_labels): Likewise.
17211 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17212 (bsi_move_before, bsi_move_after): Likewise.
17213 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17214 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17216 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17219 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17221 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17222 on non gimple variables. Also add checks at the top for decls and
17224 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17226 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17227 and IMAGPART_EXPR for creating MUST_DEFs.
17228 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17229 and NAME_MEMORY_TAG separately from the DECLs.
17231 2006-01-06 Richard Guenther <rguenther@suse.de>
17233 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17234 annotation, if necessary.
17235 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17236 redundant calls to update_stmt.
17237 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17240 2006-01-05 Richard Henderson <rth@redhat.com>
17242 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17244 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17246 * c-typeck.c: Update copyright date.
17248 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17250 * c-typeck.c (build_c_cast): Always warn when casting
17251 from a pointer to an integer of different size, even if
17252 the node was constant.
17254 2006-01-05 Richard Guenther <rguenther@suse.de>
17256 PR tree-optimization/22555
17257 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17258 if one structure field is an array.
17259 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17260 operands even if we found a subvar, but ignore VOPs in this
17262 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17264 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17266 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17268 PR middle-end/24998
17269 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17271 2006-01-05 Richard Guenther <rguenther@suse.de>
17272 Diego Novillo <dnovillo@redhat.com>
17274 * tree-pass.h (TODO_remove_unused_locals): Define.
17275 * gimple-low.c (expand_var_p, remove_useless_vars,
17276 pass_remove_useless_vars): Remove. Update all users.
17277 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17278 (remove_unused_locals): New function.
17279 * tree-flow.h (remove_unused_locals): Declare.
17280 * passes.c (execute_todo): Call remove_unused_locals if
17281 TODO_remove_unused_locals is set.
17282 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17283 * tree-ssa-dce.c (pass_dce): Likewise.
17284 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17286 2006-01-05 Richard Guenther <rguenther@suse.de>
17288 * tree-flow.h (struct fieldoff): Decompose field to
17289 type, size and decl.
17290 * tree-ssa-alias.c (create_sft): Take type as parameter.
17291 (create_overlap_variables_for): Store type, size and decl
17292 in the fieldoff structure.
17293 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17294 of struct fieldoff.
17295 (push_fields_onto_fieldstack): Likewise.
17296 (create_variable_info_for): Likewise. Use offset for the
17297 SFT name if the decl is not available.
17299 2006-01-04 Paul Brook <paul@codesourcery.com>
17301 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17303 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17305 * lambda-code.c (can_put_in_inner_loop): Relax
17307 (can_put_after_inner_loop): New function.
17308 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17309 (perfect_nestify): Change to make copies and modify uses.
17311 2006-01-04 Richard Henderson <rth@redhat.com>
17313 Merge from gomp branch:
17314 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17315 via integer constant.
17316 (pragma_lex): Remove.
17317 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17318 rather than parsing it.
17319 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17320 handle_pragma_extern_prefix): Add %< %> quotes.
17321 (registered_pragmas): New.
17322 (c_register_pragma_1): New.
17323 (c_register_pragma): Use it.
17324 (c_register_pragma_with_expansion): Likewise.
17325 (c_invoke_pragma_handler): New.
17326 (init_pragma): Use cpp_register_deferred_pragma directly for
17328 * c-pragma.h (enum pragma_kind): New.
17329 (pragma_handler): New.
17330 (c_invoke_pragma_handler): Declare.
17331 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17333 * c-common.h (c_common_pch_pragma): Update decl.
17334 * Makefile.in (c-parser.o): Update dependencies.
17335 (GTFILES): Add c-pragma.h.
17336 * c-parser.c (struct c_token): Add pragma_kind.
17337 (struct c_parser): Add in_pragma.
17338 (c_lex_one_token): Always initialize keyword and pragma_kind.
17339 Extract data for CPP_PRAGMA.
17340 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17341 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17342 Don't allow CPP_PRAGMA_EOL if in_pragma.
17343 (c_parser_consume_pragma): New.
17344 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17345 (c_parser_skip_to_end_of_parameter): Likewise.
17346 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17347 (c_parser_skip_to_pragma_eol): New.
17348 (c_parser_external_declaration): Handle CPP_PRAGMA.
17349 (c_parser_compound_statement_nostart): Likewise.
17350 (c_parser_statement_after_labels): Likewise.
17351 (c_parser_pragma): New.
17352 (pragma_lex): Likewise.
17353 (c_parser_pragma_pch_preprocess): New.
17354 (c_parser_new): Merge into ...
17355 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17357 2006-01-04 Jeff Law <law@redhat.com>
17360 * tree-cfg.c (bsi_replace): Remove the original statement
17361 from the EH throw statement table.
17363 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17365 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17366 make the prototype extern "C" and add throw ().
17369 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17370 and pos non-negative and pos + len <= 32.
17371 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17372 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17373 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17376 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17377 as well as sizes not multiple of component size.
17380 * function.c (instantiate_expr): New function.
17381 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17382 walk its DECL_VALUE_EXPR with instantiate_expr.
17384 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17385 DW_OP_deref{,_size} if address isn't going to be added.
17387 2006-01-04 Ben Elliston <bje@au.ibm.com>
17389 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17390 * config/fp-bit.c: Likewise.
17392 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17394 * dominance.c: Add comment about why we use DFS numbering
17397 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17398 Richard Henderson <rth@redhat.com>
17400 Merge from gomp-branch:
17401 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17402 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17404 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17406 PR rtl-optimization/25578
17407 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17408 pass a parameter to simplify_shift_const if changing ASHIFTRT
17411 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17413 * builtins.c (get_builtin_sync_mem): New function.
17414 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17415 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17416 Call get_builtin_sync_mem to generate mem rtx.
17418 2006-01-03 Richard Guenther <rguenther@suse.de>
17421 * stmt.c (add_case_node): Make sure to clear overflow flags
17424 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17426 Merge from gomp-branch.
17427 * config/sparc/sync.md: New file.
17428 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17429 UNSPECV_LDSTUB): New constants.
17430 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17431 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17432 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17435 2006-01-03 Roger Sayle <roger@eyesopen.com>
17437 * combine.c (reg_subword_p): New predicate to test whether the
17438 destination of a set refers to a subword/piece of a register.
17439 (try_combine): Generalize the code to merge the setting of a
17440 pseudo to a constant followed by a set of a subword of that
17441 register to a constant.
17443 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17445 * basic-block.h (control_flow_graph): Change the type of
17446 x_label_to_block_map to VEC(basic_block,gc) *.
17447 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17448 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17450 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17451 VEC(basic_block,heap) *.
17452 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17453 ssa_prop_fini): Adjust the uses of cfg_blocks.
17455 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17457 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17459 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17460 hashing trees instead of a pointer hash.
17461 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17462 compare for MEM_EXPR.
17464 PR rtl-optimization/25130
17465 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17466 when comparing MEMs for GCSE
17468 2006-01-03 Ben Elliston <bje@au.ibm.com>
17470 * targhooks.h (default_decimal_float_supported_p): Declare.
17471 * targhooks.c (default_decimal_float_supported_p): Define.
17472 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17473 `default_decimal_float_supported_p'.
17474 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17476 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17478 * combine.c (apply_distributive_law <SUBREG>): Check
17479 TRULY_NOOP_TRUNCATION.
17481 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17483 * dwarf2out.c (have_switched_text_section): Delete.
17484 (have_multiple_function_sections): New.
17485 (have_location_lists): Make 'bool'.
17486 (add_AT_loc_list): Use 'true' not '1'.
17487 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17488 (output_loc_list): Use have_multiple_function_sections.
17489 (output_ranges): Likewise.
17490 (dwarf2out_begin_function): Set have_multiple_function_sections if
17492 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17493 Check function_section rather than DECL_SECTION_NAME.
17494 (dwarf2out_finish): Use have_multiple_function_sections.
17495 Don't clear have_location_lists.
17497 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17498 Jan Hubicka <jh@suse.cz>
17500 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17501 case of conditional jump jumping to the next instruction.
17502 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17503 cases of conditional jump jumping to the next instruction.
17505 2006-01-02 Jan Hubicka <jh@suse.cz>
17507 * i386.c (*_cost): Add COSTS_N_INSNS.
17508 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17510 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17513 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17515 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17517 * config/arm/arm.c (all_fpus): Fix comment typo.
17518 * config/darwin.c: Likewise.
17519 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17520 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17521 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17523 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17525 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17526 (rs6000_split_compare_and_swapqhi): New.
17527 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17528 (sync_compare_and_swapqhi_internal): New.
17529 * config/rs6000/rs6000-protos.h: Declare.