1 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3 * config/sh/crt1.asm: Fix #ifdef indent.
5 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
6 Merged from STMicroelectronics sources:
7 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
8 * config/sh/crt1.asm (vbr_600): Add missing #if.
9 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
10 * sh.opt (mfused-madd): New option.
11 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
12 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
13 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
14 Remove pointless handler at VBR+0.
15 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
16 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
17 fr7. Make sure the timer handler is called with the correct FPU
18 precision setting, according to the ABI.
19 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
20 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
21 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
22 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
23 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
24 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
25 zero as second operand.
26 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
27 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
28 Fixed some bugs related to negative values, in particular -0
29 and overflow at -0x80000000.
30 * config/sh/divcost-analysis: Added sh4-300 figures.
31 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
32 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
33 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
34 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
35 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
36 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
38 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
40 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
41 SH4-300 scheduling description & fixes to SH4-[12]00 description:
42 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
43 mac_mem, mem_mac, dfp_mul, fp_cmp.
44 (insn_class, dfp_comp, any_fp_comp): Update.
45 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
46 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
48 (movsi_i): Split rI08 alternative into two separate alternatives.
50 (movsi_ie, movsi_i_lowpart): Likewise.
51 (movqi_i): Split ri alternative into two separate alternatives.
53 * sh1.md (sh1_load_store, sh1_fp): Update.
54 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
55 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
56 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
57 (sh4a_fp_double_arith): Likewise.
58 * sh4-300.md: New file.
59 * sh.c (sh_handle_option): Handle m4-300* options.
60 (sh_adjust_cost): Fix latency of auto-increments.
61 Handle SH4-300 differently than other SH4s. Check for new insn types.
62 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
63 been set by an option.
64 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
65 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
66 (mbranch-cost=): Likewise.
67 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
69 * sh.md (mulsf3): Remove special expansion code.
70 (mulsf3_ie): Now a define_insn_and_split.
71 (macsf3): Allow for TARGET_SH4.
73 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
74 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
75 (expand_cbranchdi4): Likewise.
76 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
77 CONST_DOUBLE if the outer code is COMPARE.
78 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
79 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
80 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
81 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
82 Remove redundant fp_{zero,one}_operand checks.
83 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
84 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
85 (expand_cbranchdi4): Likewise.
86 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
87 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
89 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
91 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
94 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
96 * doc/invoke.texi: Fix mfp-trap-mode typo.
98 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
100 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
101 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
102 file_end_indicate_exec_stack.
103 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
105 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
106 for a non-executable stack.
107 * crti.asm: Likewise.
108 * crtn.asm: Likewise.
109 * libunwind.S: Likewise.
111 2006-11-02 Ben Elliston <bje@au.ibm.com>
113 * tree-ssa.c (warn_uninit): Use expand_location variables for
114 locus and declaration locus.
116 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
119 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
120 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
121 cmp{eq,gt,gtu}{si,di}_media.
122 (*cmpne0si_media): Remove.
123 (*movsicc_umin): Adjust gen_cmp*_media call.
124 (unordered): Change the mode of unordered and operands[1] to
126 (seq): Adjust gen_cmp*_media calls. Make the mode of
127 a temporary result of compare SImode if needed. If the mode
128 of operands[0] is DImode, extend the temporary result to DImode.
129 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
130 (sunorderd): Change the mode of match_operand and unorderd to
132 (cmpeq{sf,df}_media): Remove.
133 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
134 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
135 and compare operation to SImode.
137 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
139 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
141 (sparc64-sun-solaris2*): Likewise.
143 2006-11-02 Paul Brook <paul@codesourcery.com>
145 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
146 from priority argument. Use different section for non-default
148 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
150 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
153 * except.c (switch_to_exception_section): Do not cache the section
154 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
155 and flag_function_sections is set.
157 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
160 * builtins.c (do_mpfr_sincos): New.
161 (fold_builtin_1): Use it to fold builtin sincos.
163 2006-11-01 Roger Sayle <roger@eyesopen.com>
165 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
166 it into -D_REENTRANT.
168 2006-11-01 Roger Sayle <roger@eyesopen.com>
170 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
171 whether the assembler supports taking the difference of symbols in
172 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
173 * configure: Regenerate.
174 * config.in: Regenerate.
175 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
176 the assembler doesn't support taking the difference of symbols in
177 different sections, i.e. we're using the native solaris assembler.
179 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
180 Peter Bergner <bergner@vnet.ibm.com>
182 * doc/invoke.texi: Add cpu_type power6x
183 (RS/6000 and PowerPC Options): Add -mmfpgpr.
184 * config.gcc: Add cpu_type power6x.
185 * configure.ac: Add test for mf{t,f}gpr instructions.
186 (HAVE_AS_MFPGPR): New.
187 * config.in: Regenerate.
188 * configure: Regenerate.
189 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
190 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
191 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
192 and mftgpr attributes.
193 (define_attr "cpu"): Add power6.
194 Change instruction sequences to use new attributes.
195 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
196 (fix_truncdfsi2_mfpgpr): New.
197 (floatsidf_ppc64_mfpgpr): New.
198 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
199 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
200 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
201 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
202 (fix_truncdfsi2): Use gpc_reg_operand constraint.
203 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
204 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
205 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
206 cntlz,exts and var_delayed_compare.
207 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
208 _ARCH_PWR6X, if features enabled.
209 * config/rs6000/rs6000.opt (mmfpgpr): New.
210 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
211 (cached_can_issue_more): New variable.
212 (processor_costs): Add power6_cost.
213 (rs6000_sched_init): New function.
214 (is_dispatch_slot_restricted): Deleted.
215 (set_to_load_agen): New function.
216 (is_load_insn,is_store_insn): New functions.
217 (adjacent_mem_locations): New function.
218 (insn_must_be_first_in_group): New function.
219 (insn_must_be_last_in_group): New function.
220 (rs6000_sched_reorder): New function.
221 (rs6000_sched_reorder2): New function.
222 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
223 TARGET_SCHED_REORDER2): Define.
224 (processor_target_table): Use PROCESSOR_POWER6 for power6.
225 Add power6x. Add MASK_MFPGPR for power6x.
226 (POWERPC_MASKS): Add MASK_MFPGPR.
227 (rs6000_override_options): Set rs6000_always_hint to false
228 for power6. Set rs6000_align_branch_targets. Replace
229 rs6000_sched_groups check with rs6000_align_branch_targets.
230 Use PROCESSOR_POWER6.
231 (last_scheduled_insn): New variable.
232 (load_store_pendulum): New variable.
233 (rs6000_variable_issue): Set last_scheduled_insn and
234 cached_can_issue_more.
235 (rs6000_adjust_cost): Add power6 cost adjustments.
236 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
237 with insn_must_be_first_in_group. Add power6 priority adjustments.
238 (rs6000_issue_rate): Add CPU_POWER6.
239 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
240 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
241 (TARGET_MFPGPR): New.
242 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
243 (ASM_CPU_SPEC): Add power6x.
244 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
246 * config/rs6000/power6.md: New file.
248 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
250 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
251 HOST_WIDE_INT_PRINT to print high and low parts. Use
252 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
253 printing a hexadecimal number prefix it with 0x.
255 2006-11-01 Chris Johns <chris@contemporary.net.au>
258 * Makefile.in (install-driver): Use exeext when installing
259 $target-gcc-$version.
261 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
263 * c-common.c (flag_cpp0x): New.
264 * c-common.h (flag_cpp0x): New.
265 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
266 supported, define __GXX_EXPERIMENTAL_CPP0X__.
267 * c-opts.c (set_std_cxx0x): New.
268 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
269 * c.opt (std=c++0x): Document.
270 (std=gnu++0x): Ditto.
271 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
272 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
274 2006-11-01 Richard Guenther <rguenther@suse.de>
276 * config/i386/i386.c (ix86_expand_rint): Fix issues with
278 (ix86_expand_floorceildf_32): Likewise.
279 (ix86_expand_floorceil): Likewise.
280 (ix86_expand_trunc): Likewise.
282 2006-10-31 Andrew Pinski <pinskia@gmail.com>
284 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
287 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
289 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
291 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
293 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
295 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
296 * configure.ac (use_cxa_atexit): As a special case, don't test
297 for libc definition of __cxa_atexit on mingw32
298 * configure: Regenerate.
299 * config.gcc (i[34567]86-pc-mingw32): Default to
300 enable__cxa_atexit=yes.
302 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
304 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
306 2006-10-31 Geoffrey Keating <geoffk@apple.com>
309 * c-decl.c (start_struct): Don't create self-containing
311 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
313 * config/rs6000/rs6000-protos.h
314 (darwin_rs6000_special_round_type_align): New.
315 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
316 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
318 2006-10-31 Geoffrey Keating <geoffk@apple.com>
320 * toplev.c (compile_file): Call final_write_globals
321 even if there have been errors.
323 2006-10-31 Eric Christopher <echristo@apple.com>
324 Falk Hueffner <falk@debian.org>
326 * doc/extend.texi (__builtin_bswap32): Document.
327 (__builtin_bswap64): Ditto.
328 * doc/libgcc.texi (bswapsi2): Document.
330 * doc/rtl.texi (bswap): Document.
331 * optabs.c (expand_unop): Don't widen a bswap.
332 (init_optabs): Init bswap. Set libfuncs explicitly
333 for bswapsi2 and bswapdi2.
334 * optabs.h (OTI_bswap): New.
335 (bswap_optab): Ditto.
336 * genopinit.c (optabs): Handle bswap_optab.
337 * tree.h (tree_index): Add TI_UINT32_TYPE and
339 (uint32_type_node): New.
340 (uint64_type_node): Ditto.
341 * tree.c (build_common_tree_nodes_2): Initialize
342 uint32_type_node and uint64_type_node.
343 * builtins.c (expand_builtin_bswap): New.
344 (expand_builtin): Call.
345 (fold_builtin_bswap): New.
346 (fold_builtin_1): Call.
347 * fold-const.c (tree_expr_nonnegative_p): Return true
349 * builtin-types.def (BT_UINT32): New.
351 (BT_FN_UINT32_UINT32): Ditto.
352 (BT_FN_UINT64_UINT64): Ditto.
353 * builtins.def (BUILT_IN_BSWAP32): New.
354 (BUILT_IN_BSWAP64): Ditto.
355 * rtl.def (BSWAP): New.
356 * genattrtab.c (check_attr_value): New.
357 * libgcc2.c (__bswapSI2): New.
359 * libgcc2.h (__bswapSI2): Declare.
361 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
362 * simplify-rtx.c (simplify_const_unary_operation): Return
364 * libgcc-std.ver (__bwapsi2): Add.
366 * reload1.c (eliminate_regs_1): Add bswap.
367 (elimination_effects): Ditto.
368 * config/i386/i386.h (x86_bswap): New.
370 * config/i386/i386.c (x86_bswap): Set.
372 2006-10-31 Geoffrey Keating <geoffk@apple.com>
374 * coverage.c (coverage_checksum_string): Update comment.
375 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
376 of get_file_function_name.
377 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
378 of get_file_function_name_long.
379 * tree.c (get_file_function_name): Rename from
380 get_file_function_name_long; improve comment; handle 'I' and 'D'
381 specially when the target has ctor/dtor support; remove special
383 (get_file_function_name): Remove.
384 * tree.h (get_file_function_name): Rename from
385 get_file_function_name_long.
386 (get_file_function_name): Remove prototype.
388 2006-10-31 Geoffrey Keating <geoffk@apple.com>
390 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
391 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
393 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
394 Call dsymutil when compiling and linking one or more source files
397 2006-10-31 Geoffrey Keating <geoffk@apple.com>
400 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
402 2006-10-31 Geoffrey Keating <geoffk@apple.com>
404 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
405 inline static functions in c99 mode.
408 * doc/extend.texi (Inline): Update.
409 * c-tree.h (struct language_function): Remove field 'extern_inline'.
410 * c-decl.c (current_extern_inline): Delete.
411 (pop_scope): Adjust test for an undefined nested function.
412 Add warning about undeclared inline function.
413 (diagnose_mismatched_decls): Update comments. Disallow overriding
414 of inline functions in a translation unit in C99. Allow inline
415 declarations in C99 at any time.
416 (merge_decls): Boolize variables. Handle C99 'extern inline'
418 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
419 C99 inline semantics.
420 (start_function): Don't clear current_extern_inline. Don't set
422 (c_push_function_context): Don't push current_extern_inline.
423 (c_pop_function_context): Don't restore current_extern_inline.
426 * c-typeck.c (build_external_ref): Warn about static variables
427 used in extern inline functions.
428 * c-decl.c (start_decl): Warn about static variables declared
429 in extern inline functions.
431 2006-10-31 Roger Sayle <roger@eyesopen.com>
434 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
435 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
436 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
437 or y is an even integer.
439 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
442 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
443 * gthr-posix95.h (__gthread_active_p): Likewise.
445 2006-10-31 Richard Guenther <rguenther@suse.de>
447 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
448 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
449 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
450 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
451 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
452 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
453 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
454 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
457 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
459 * opts.c (decode_options): Disable CSE skip blocks.
461 2006-10-30 Dirk Mueller <dmueller@suse.de>
463 * c-common.h (strict_aliasing_warning): Fix whitespace.
464 * c-decl (start_function): Move code for main decl warning ..
465 * c-common.c (check_main_parameter_types): .. here.
466 * c-common.h (check_main_parameter_types): Declare.
468 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
471 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
473 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
475 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
476 be a PARALLEL containing sets. Return false when out_pat is not
479 2006-10-30 Richard Sandiford <richard@codesourcery.com>
481 * config/mips/mips.md (mul<mode>3): Split into...
482 (mulsi3, muldi3): ...these separate patterns.
484 2006-10-30 Richard Sandiford <richard@codesourcery.com>
486 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
487 but with each set of options separated by spaces.
489 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
491 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
492 dwarf_reg_size_table has been initialized.
494 2006-10-30 Roger Sayle <roger@eyesopen.com>
496 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
497 * ddg.c (print_ddg_edge): Likewise.
498 * dwarf2out.c (prune_unused_types_walk): Likewise.
499 * ifcvt.c (noce_try_cmove_arith): Likewise.
500 * langhooks.c (add_builtin_function): Likewise.
501 * reg-stack.c (subst_stack_regs_pat): Likewise.
502 * tree.c (expanded_location): Likewise.
503 * tree-dump.c (dequeue_and_dump): Likewise.
505 2006-10-30 David Daney <ddaney@avtrex.com>
507 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
509 2006-10-30 Jakub Jelinek <jakub@redhat.com>
511 PR tree-optimization/29637
512 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
513 of the innertype is the innertype itself.
515 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
517 * dwarf2out.c (file_name_acquire): Correct typo.
519 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
521 * tree.h (tree_value_handle): Remove struct value_set declaration.
522 Change value_set to bitmap_set.
523 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
524 * tree-vn.c (get_value_handle): Made inline and moved to
526 * tree-flow-inline.h: (has_stmt_ann): New function.
527 * tree-ssa-pre.c (expressions): New variable.
528 (next_expression_id): Ditto.
529 (alloc_expression_id): New function.
530 (struct value_set): Remove.
531 (get_expression_id): New function.
532 (get_or_alloc_expression_id): Ditto.
533 (expression_for_id): Ditto.
534 (clear_expression_ids): Ditto.
535 (FOR_EACH_EXPR_ID_IN_SET): New macro.
536 (bb_value_sets): Renamed to bb_bitmap_sets.
537 All value sets replaced with bitmap_sets.
539 (BB_VISITED): New macro.
540 (postorder): New variable.
541 (add_to_value): Removed.
542 (value_exists_in_set_bitmap): Ditto.
543 (value_insert_into_set_bitmap): Ditto.
547 (set_contains_value): Ditto.
548 (insert_into_set): Ditto.
550 (find_leader): Ditto.
551 (bitmap_set_subtract_from_value_set): Ditto.
552 (value_insert_into_set): Ditto.
553 (print_value_set): Ditto.
554 (debug_value_set): Ditto.
555 (constant_expr_p): New function.
556 (bitmap_remove_from_set): Ditto.
557 (bitmap_insert_into_set): Ditto.
558 (bitmap_set_free): Ditto.
560 (sorted_array_from_bitmap_set): Ditto.
561 (bitmap_set_subtract): Ditto.
562 (bitmap_set_equal): Ditto.
563 (debug_bitmap_set): Ditto.
564 (find_leader_in_sets): Ditto.
565 (bitmap_set_replace_value): Modify for bitmapped sets.
566 (phi_translate): Ditto.
567 (phi_translate_set): Ditto.
568 (bitmap_find_leader): Ditto.
569 (valid_in_sets): Ditto.
570 (union_contains_value): Ditto.
572 (compute_antic_aux): Ditto. Mark changed blocks.
573 (compute_antic): Ditto. Iterate in postorder and only over
575 (compute_rvuse_and_antic_safe): Reuse postorder.
576 (create_component_ref_by_pieces): Modify for bitmapped sets.
577 (find_or_generate_expression): Ditto.
578 (create_expression_by_pieces): Ditto.
579 (insert_into_preds_of_block): Ditto.
580 (changed_blocks): New variable.
581 (do_regular_insertion): Broken out from insert_aux.
582 (insert_aux): Modified for bitmapped sets.
583 (find_existing_value_expr): New function.
584 (create_value_expr_from): Use it.
585 (insert_extra_phis): Removed.
586 (print_bitmap_set): Renamed from bitmap_print_value_set.
587 (compute_avail): Handle RETURN_EXPR.
588 (init_pre): Modify for bitmapped sets.
589 * tree-flow.h (has_stmt_ann): New function.
591 2006-10-29 Roger Sayle <roger@eyesopen.com>
593 * builtins.c (fold_builtin_floor): Check for the availability of
594 the C99 trunc function before transforming floor into trunc.
596 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
598 * builtins.c (fold_builtin_hypot): Rearrange recursive
599 transformation before others, and also do ABS_EXPR. When
600 necessary, check flag_unsafe_math_optimizations. When necessary,
603 2006-10-29 Roger Sayle <roger@eyesopen.com>
605 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
606 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
607 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
608 Fold -X eq/ne -Y as X eq/ne Y.
610 2006-10-29 Richard Sandiford <richard@codesourcery.com>
612 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
613 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
614 rather than GENERATE_MULT3_SI in the various define_peephole2s.
615 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
616 Use an inclusive test for "mult" rather than "mul".
617 (rotr<mode>3): Depend on ISA_HAS_ROR.
618 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
620 (GENERATE_MULT3_DI): Delete.
621 (ISA_HAS_64BIT_REGS): Use consistent formatting.
622 (ISA_HAS_MUL3): New macro.
623 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
624 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
625 (ISA_HAS_CLZ_CLO): Likewise.
626 (ISA_HAS_DCLZ_DCLO): Delete.
627 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
628 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
629 the VR4120 and VR4130.
630 (ISA_HAS_MACCHI): Use consistent formatting.
631 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
632 (ISA_HAS_ROR): ...this new macro.
633 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
634 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
635 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
637 2006-10-29 Roger Sayle <roger@eyesopen.com>
639 PR tree-optimization/15458
640 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
643 2006-10-29 Richard Guenther <rguenther@suse.de>
645 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
646 (ix86_expand_truncdf_32): Likewise.
647 * config/i386/i386.c (ix86_expand_trunc): New function expanding
648 trunc inline for SSE math and -fno-trapping-math and if not
650 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
651 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
652 for expanding btrunc inline for SSE math.
654 2006-10-29 Joseph Myers <joseph@codesourcery.com>
656 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
657 Handle tuning for bi-arch i[34567]86-*-linux* like that for
658 i[34567]86-*-solaris2.1[0-9]*.
659 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
660 Define conditionally depending on TARGET_64BIT_DEFAULT.
661 (SPEC_32, SPEC_64): Define.
662 (LINK_SPEC): Use them.
663 * doc/install.texi (--enable-targets=all): Document for x86-linux.
665 2006-10-29 Richard Guenther <rguenther@suse.de>
667 * config/i386/i386-protos.h (ix86_expand_round): Declare.
668 (ix86_expand_rounddf_32): Likewise.
669 * config/i386/i386.c (ix86_expand_round): New function expanding
670 round inline for SSE math and -fno-trapping-math and if not
672 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
673 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
674 round via ix86_expand_round.
676 2006-10-29 Richard Guenther <rguenther@suse.de>
678 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
679 (ix86_expand_floorceildf_32): Likewise.
680 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
681 static helper function.
682 (ix86_expand_floorceil): Expander for floor and ceil to SSE
684 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
685 * config/i386/i386.md (floordf2): Adjust to enable floor
686 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
687 -fno-trapping-math is enabled and if not optimizing for size.
688 (floorsf2, ceildf2, ceilsf2): Likewise.
689 * config/i386/sse.md (sse_maskcmpsf3): New insn.
690 (sse2_maskcmpdf3): Likewise.
692 2006-10-29 Richard Guenther <rguenther@suse.de>
694 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
695 rint in case -fno-trapping-math is enabled.
696 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
697 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
698 (ix86_expand_sse_fabs): Likewise.
699 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
700 * config/i386/i386.md (rintdf2): Enable for SSE math if
701 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
704 2006-10-29 Richard Guenther <rguenther@suse.de>
706 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
707 to conversion optabs.
708 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
710 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
711 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
712 (lfloor_optab, lceil_optab): Adjust defines.
713 * builtins.c (expand_builtin_int_roundingfn): Adjust for
714 lfloor and lceil optabs now being conversion optabs.
715 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
716 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
717 New static helper function.
718 (ix86_expand_lfloorceil): New function to expand lfloor and
720 * config/i386/i386.md (lfloor<mode>2): Split into ...
721 (lfloorxf<mode>2): ... x87 variant
722 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
723 using ix86_expand_lfloorceil.
724 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
726 * doc/md.texi (lfloorMN, lceilMN): Document.
728 2006-10-29 Richard Sandiford <richard@codesourcery.com>
730 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
731 -mno-shared assembler option on mips targets.
732 * configure, config.in: Regenerate.
733 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
734 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
735 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
737 2006-10-29 Richard Sandiford <richard@codesourcery.com>
739 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
740 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
742 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
744 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
745 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
748 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
751 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
752 (fold_builtin_pow): Evaluate constant arguments at compile-time
754 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
755 (do_mpfr_ckconv): New helper function.
756 (do_mpfr_arg1): Use do_mpfr_ckconv.
759 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
762 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
763 (-fdump-rtl-sched): Rename to ..
764 (-fdump-rtl-sched1): here. Also fix file extension number.
766 2006-10-28 Richard Guenther <rguenther@suse.de>
768 * fold-const.c (maybe_canonicalize_comparison): Fix code
771 2006-10-28 Uros Bizjak <uros@kss-loka.si>
773 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
774 (NON_QI_REG_P): Use IN_RANGE.
775 (REX_INT_REGNO_P): Use IN_RANGE.
776 (FP_REGNO_P): Use IN_RANGE.
777 (SSE_REGNO_P): Use IN_RANGE.
778 (REX_SSE_REGNO_P): Use IN_RANGE.
779 (MMX_REGNO_P): Use IN_RANGE.
780 (STACK_REGNO_P): New macro.
781 (STACK_REG_P): Use STACK_REGNO_P.
782 (NON_STACK_REG_P): Use STACK_REGNO_P.
783 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
784 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
785 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
786 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
787 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
789 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
791 * except.h (output_function_exception_table): Add 'const char*' param.
792 * except.c (switch_to_exception_section): Add 'const char*' param.
793 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
794 and flag_function_sections is set, use a function-specific section.
795 (output_function_exception_table): Add 'const char*' param.
796 Adjust call to switch_to_exception_section.
797 * final.c (rest_of_handle_final): Adjust calls to
798 output_function_exception_table.
799 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
800 * config.in: Regenerate.
801 * configure: Likewise.
803 2006-10-28 Richard Guenther <rguenther@suse.de>
806 * fold-const.c (maybe_canonicalize_comparison_1): Helper
807 for maybe_canonicalize_comparison.
808 (maybe_canonicalize_comparison): New function for canonicalizing
810 (fold_comparison): Call it to canonicalize comparisons with
813 2006-10-28 Richard Guenther <rguenther@suse.de>
816 * builtins.c (expand_builtin_int_roundingfn_2): Expand
817 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
818 (expand_builtin): Adjust likewise.
819 * genopinit.c (optabs[]): Add lround optab.
820 * optabs.c (init_optabs): Initialize lround_optab.
821 * optabs.h (enum convert_optab_index): Add COI_lround.
822 (lround_optab): Define.
823 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
824 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
826 (ix86_expand_lround): New function.
827 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
829 * doc/md.texi (lroundMN2): Document.
831 2006-10-28 Uros Bizjak <uros@kss-loka.si>
834 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
835 argument to HOST_WIDE_INT. Update function prototype.
836 (round_frame_size): Change return type to HOST_WIDE_INT. Change
837 "size" argument to HOST_WIDE_INT. Update function prototype.
839 2006-10-28 Uros Bizjak <uros@kss-loka.si>
841 * config/i386/i386.c (output_387_ffreep): Create output from a
842 template string for !HAVE_AS_IX86_FFREEP.
844 2006-10-27 Eric Christopher <echristo@apple.com>
846 * config/darwin.c: Fix formatting and grammar.
848 2006-10-27 Jan Hubicka <jh@suse.cz>
850 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
851 to be thrown away soon when IGNORE is set.
852 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
853 indicating when return value shall not be computed.
854 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
856 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
858 * config/i386/i386.h (TARGET_GEODE):
859 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
860 (TARGET_CPU_DEFAULT_geode): New macro.
861 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
862 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
863 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
864 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
865 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
867 (TARGET_CPU_DEFAULT_NAMES): Add geode.
868 (processor_type): Add PROCESSOR_GEODE.
870 * config/i386/i386.md: Include geode.md.
873 * config/i386/i386.c (geode_cost): New initialized global
875 (m_GEODE, m_K6_GEODE): New macros.
876 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
877 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
878 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
879 x86_schedule): Use m_K6_GEODE instead of m_K6.
880 (x86_movx, x86_cmove): Set up m_GEODE.
881 (x86_integer_DFmode_moves): Clear m_GEODE.
882 (processor_target_table): Add entry for geode.
883 (processor_alias_table): Ditto.
885 * config/i386/geode.md: New file.
887 * doc/invoke.texi: Add entry about geode processor.
889 2006-10-27 Mike Stump <mrs@apple.com>
891 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
892 __DYNAMIC__ from here back to ...
893 * config/darwin.h (CPP_SPEC): ... here.
895 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
896 Nathan Sidwell <nathan@codesourcery.com>
898 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
899 when choosing the minimum heapsize.
901 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
903 * gcc/unwind-dw2.h: Move cfa-related variables into
904 struct frame_state_reg_info to ensure that the CFA is properly
905 handled when executing DW_CFA_{remember,restore}_state.
906 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
907 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
908 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
909 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
910 gcc/config/rs6000/linux-unwind.h,
911 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
912 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
913 Modify to use new cfa_* fields.
915 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
917 * config/s390/s390.c (s390_init_frame_layout): Check positive
920 2006-10-26 Ben Elliston <bje@au.ibm.com>
922 * gimplify.c (get_name): Remove extraneous break.
923 (gimplify_omp_for): Initialise ret with GS_OK.
925 2006-10-25 Steve Ellcey <sje@cup.hp.com>
927 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
928 Add unix98.o to link line.
930 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
933 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
934 Calculate compile-time constants using MPFR.
935 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
936 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
938 2006-10-25 Bob Wilson <bob.wilson@acm.org>
940 * config/xtensa/lib2funcs.S: Use C-style comments.
942 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
944 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
945 (file_table_relative_p): Likewise.
946 (dwarf2out_finish): Likewise.
947 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
949 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
951 * tree-ssa-structalias.c (intra_create_variable_infos):
952 Don't recreate nonlocal_all if it already exists.
954 2006-10-25 Richard Guenther <rguenther@suse.de>
957 * optabs.h (enum optab_index): Remove OTI_lrint.
958 (enum convert_optab_index): Add COI_lrint.
959 (lrint_optab): Adjust.
960 (expand_sfix_optab): Declare.
961 * optabs.c (expand_sfix_optab): New function.
962 (init_optabs): Init lrint_optab as conversion optab.
963 * genopinit.c (lrint_optab): Change to a conversion optab.
964 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
965 expansion via conversion optab.
966 * config/i386/i386.md (*fistdi2_1): Remove
967 flag_unsafe_math_optimizations guard.
968 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
969 fist<mode>2_with_temp): Likewise.
970 (lrint<mode>2): Split into...
971 (lrintxf<mode>2): ... x87 part
972 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
973 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
974 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
975 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
976 * doc/md.texi (lrintMN2): Document.
978 2006-10-25 Uros Bizjak <uros@kss-loka.si>
981 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
982 Use inc and dec instructions for TARGET_USE_INCDEC.
983 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
984 ("sync_double_compare_and_swap<mode>"): Likewise.
985 ("*sync_double_compare_and_swapdi_pic"): Likewise.
986 ("*sync_compare_and_swap_cc<mode>"): Likewise.
987 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
988 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
989 ("sync_old_add<mode>"): Likewise.
990 ("sync_lock_test_and_set<mode>"): Likewise.
991 ("sync_lock_test_and_set<mode>"): Likewise.
992 ("sync_add<mode>"): Likewise.
993 ("sync_sub<mode>"): Likewise.
994 ("sync_ior<mode>"): Likewise.
995 ("sync_and<mode>"): Likewise.
996 ("sync_xor<mode>"): Likewise.
998 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1000 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1001 (remainder_optab): Define corresponding macro.
1002 (drem_optab): Remove.
1003 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1004 drem_optab initialization.
1005 * genopinit.c (optabs): Implement remainder_optab using
1006 remainder?f3 patterns. Remove drem_optab.
1007 * builtins.c (expand_builtin_mathfn_2): Handle
1008 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1009 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1010 expand_builtin_mathfn_2.
1012 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1013 depend on flag_unsafe_math_optimizations.
1015 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1016 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1017 Do not depend on flag_unsafe_math_optimizations. Use
1018 truncxf?f expander instead of truncxf?f_i387_noop.
1020 ("fpremxf4", "fprem1xf4"): Do not depend on
1021 flag_unsafe_math_optimizations.
1022 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1023 flag_unsafe_math_optimizations. Use truncxf?f expander
1024 instead of truncxf?f_i387_noop.
1026 * doc/md.texi (fmod, remainder): Document standard named pattern.
1028 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1029 David Daney <ddaney@avtrex.com>
1032 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1034 2006-10-25 Ben Elliston <bje@au.ibm.com>
1036 * doc/extend.texi (Variable Attributes): Typo fix.
1038 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1040 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1041 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1042 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1043 (FRAME_POINTER_REGNUM): Update register number to 21.
1044 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1045 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1047 * config/i386/i386.c (regclass_map): Add fpcr entry.
1048 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1050 (print_reg): Assert REGNO (x) != FPCR_REG.
1052 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1053 (DIRFLAG_REG): Renumber.
1054 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1055 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1056 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1057 hardcoded SSE register numbers.
1059 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1060 hardcoded MMX register numbers.
1062 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1065 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1066 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1068 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1069 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1070 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1071 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1073 2006-10-24 Richard Guenther <rguenther@suse.de>
1076 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1077 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1078 for deciding optimizations in consistency with fold-const.c
1079 (fold_builtin_unordered_cmp): Likewise.
1081 2006-10-24 Richard Guenther <rguenther@suse.de>
1083 * builtins.c (fold_builtin_floor): Fold floor (x) where
1084 x is nonnegative to trunc (x).
1085 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1086 nonnegative to FIX_TRUNC_EXPR.
1088 2006-10-24 Richard Guenther <rguenther@suse.de>
1090 PR tree-optimization/29567
1091 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1092 for TRUTH_NOT_EXPR. Clarify comments.
1094 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1097 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1098 at compile-time using MPFR. Change parameter VALUE to FUNC,
1100 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1101 for overflow and underflow at all times and avoid folding in
1104 2006-10-24 Ben Elliston <bje@au.ibm.com>
1106 * reload1.c: Formatting fixes.
1108 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1110 PR tree-optimization/14784
1111 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1112 * tree-ssa-structalias.c (get_constraint_for,
1113 intra_create_variable_infos): Set is_heapvar.
1114 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1115 non-heapvar pointer variables specially.
1117 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1120 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1121 fold_builtin_tan): Fold all constant arguments. Take a "type"
1122 argument as necessary.
1123 (do_mpfr_arg1): New.
1124 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1126 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1128 * config/xtensa/lib1funcs.asm: Use C-style comments.
1130 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1132 * tree.c (local_define_builtin): Replace calls to
1133 lang_hooks.builtin_function with add_builtin_function.
1134 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1136 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1138 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1139 common code to add_builtin_function.
1140 * langhooks.c (add_builtin_function): New function.
1141 (lhd_builtin_function): New function.
1142 * langhooks.h (struct lang_hooks): Change the signature of
1144 (add_builtin_function): New function.
1145 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1146 calls to lang_hooks.builtin_function with add_builtin_function.
1147 * c-common.c (decl_builtin_1): Replace calls to
1148 lang_hooks.builtin_function with add_builtin_function.
1149 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1150 lang_hooks.builtin_function with add_builtin_function.
1151 * config/frv/frv.c (def_builtin): Replace calls to
1152 lang_hooks.builtin_function with add_builtin_function.
1153 * config/s390/s390.c (s390_init_builtins): Replace calls to
1154 lang_hooks.builtin_function with add_builtin_function.
1155 * config/sparc/sparc.c (def_builtin): Replace calls to
1156 lang_hooks.builtin_function with add_builtin_function.
1157 * config/i386/i386.c (def_builtin): Replace calls to
1158 lang_hooks.builtin_function with add_builtin_function.
1159 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1160 lang_hooks.builtin_function with add_builtin_function.
1161 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1162 lang_hooks.builtin_function with add_builtin_function.
1163 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1164 Replace calls to lang_hooks.builtin_function with
1165 add_builtin_function.
1166 * config/iq2000/iq2000.c (def_builtin):
1167 Replace calls to lang_hooks.builtin_function with
1168 add_builtin_function.
1169 * config/ia64/ia64.c (def_builtin): Replace calls to
1170 lang_hooks.builtin_function with add_builtin_function.
1171 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1172 lang_hooks.builtin_function with add_builtin_function.
1173 (altivec_init_builtins): Replace calls to
1174 lang_hooks.builtin_function with add_builtin_function.
1175 * config/arm/arm.c (def_mbuiltin): Replace calls to
1176 lang_hooks.builtin_function with add_builtin_function.
1177 (arm_init_tls_builtins): Replace calls to
1178 lang_hooks.builtin_function with add_builtin_function.
1179 * config/mips/mips.c (mips_init_builtins): Replace calls to
1180 lang_hooks.builtin_function with add_builtin_function.
1181 * config/bfin/bfin.c (def_builtin): Replace calls to
1182 lang_hooks.builtin_function with add_builtin_function.
1183 * langhooks-def.h (lhd_builtin_function): New function.
1184 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1186 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1188 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1189 BUILT_IN_STRNCAT_CHK.
1191 2006-10-23 Jan Hubicka <jh@suse.cz>
1193 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1194 don't do conversion from memmove to memcpy here.
1195 (expand_builtin_bcopy, expand_builtin): Update call of
1196 expand_builtin_memmove.
1197 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1199 2006-10-23 Paul Brook <paul@codesourcery.com>
1201 * stor-layout.c (start_record_layout): maximum_field_alignment
1202 overrides STRUCTURE_SIZE_BOUNDARY.
1204 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1206 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1207 nonlocal function symbols if flag_pic.
1209 2006-10-23 Richard Guenther <rguenther@suse.de>
1213 * builtins.c (fold_binary): Remove checks for flag_wrapv
1214 and flag_trapv where negate_expr_p covers these cases.
1216 2006-10-23 Richard Guenther <rguenther@suse.de>
1219 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1220 of two on the absolute value.
1221 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1222 and negating -C does not overflow.
1224 2006-10-23 Richard Guenther <rguenther@suse.de>
1227 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1228 only if not flag_rounding_math.
1230 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1231 Kaz Kojima <kkojima@gcc.gnu.org>
1234 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1235 SImode memory reference for the source of a movua.
1236 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1237 (movua): Use an unspec instead of sign_extract. Expect the source
1238 to have mode BLKmode.
1239 (extv, insv): Use a BLKmode rather than SImode memory reference
1240 for the source of a movua.
1242 2006-10-22 Jeff Law <law@redhat.com>
1243 Richard Guenther <rguenther@suse.de>
1245 PR tree-optimization/15911
1246 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1247 (register_edge_assert_for_1): Likewise.
1248 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1249 (find_conditional_asserts): Adjust for new function signature.
1250 (find_assert_locations): Likewise.
1252 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1254 * config/i386/tmmintrin.h: Remove the duplicated content.
1256 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1258 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1259 (x86_64-*-*): Likewise.
1261 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1262 (override_options): Check SSSE3.
1263 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1264 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1265 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1266 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1267 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1268 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1269 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1270 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1271 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1272 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1273 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1274 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1275 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1276 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1277 IX86_BUILTIN_PABSD128.
1278 (bdesc_2arg): Add SSSE3.
1279 (bdesc_1arg): Likewise.
1280 (ix86_init_mmx_sse_builtins): Support SSSE3.
1281 (ix86_expand_builtin): Likewise.
1282 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1284 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1285 (UNSPEC_PSIGN): Likewise.
1286 (UNSPEC_PALIGNR): Likewise.
1287 Include mmx.md before sse.md.
1289 * config/i386/i386.opt: Add -mssse3.
1291 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1292 (ssse3_phaddwv4hi3): Likewise.
1293 (ssse3_phadddv4si3): Likewise.
1294 (ssse3_phadddv2si3): Likewise.
1295 (ssse3_phaddswv8hi3): Likewise.
1296 (ssse3_phaddswv4hi3): Likewise.
1297 (ssse3_phsubwv8hi3): Likewise.
1298 (ssse3_phsubwv4hi3): Likewise.
1299 (ssse3_phsubdv4si3): Likewise.
1300 (ssse3_phsubdv2si3): Likewise.
1301 (ssse3_phsubswv8hi3): Likewise.
1302 (ssse3_phsubswv4hi3): Likewise.
1303 (ssse3_pmaddubswv8hi3): Likewise.
1304 (ssse3_pmaddubswv4hi3): Likewise.
1305 (ssse3_pmulhrswv8hi3): Likewise.
1306 (ssse3_pmulhrswv4hi3): Likewise.
1307 (ssse3_pshufbv16qi3): Likewise.
1308 (ssse3_pshufbv8qi3): Likewise.
1309 (ssse3_psign<mode>3): Likewise.
1310 (ssse3_psign<mode>3): Likewise.
1311 (ssse3_palignrti): Likewise.
1312 (ssse3_palignrdi): Likewise.
1313 (abs<mode>2): Likewise.
1314 (abs<mode>2): Likewise.
1316 * config/i386/tmmintrin.h: New file.
1318 * doc/extend.texi: Document SSSE3 built-in functions.
1320 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1322 2006-10-22 Ira Rosen <irar@il.ibm.com>
1324 * tree-vect-transform.c (vectorizable_load): Use the type of the
1325 return value of the mask_for_load builtin to create realign_load
1328 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1330 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1333 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1335 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1336 (UNSPEC_LDDQU): This.
1337 * config/i386/sse.md (sse3_lddqu): Updated.
1339 2006-10-21 Richard Guenther <rguenther@suse.de>
1341 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1342 (expand_builtin): Use it to expand lrint instead of
1343 expand_builtin_mathfn.
1345 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1348 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1349 flag_unsafe_math_optimizations is set.
1351 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1354 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1355 patterns to use memory input operand in x87->mem->XMM
1356 reload sequences. Skip transformation for TARGET_K8.
1358 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1360 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1361 force operand1 to register if both operands are memory operands.
1362 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1363 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1364 if both operands are memory operands.
1365 (truncdfsf2): Do not force operand1 to register if both operands
1366 are memory operands.
1368 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1370 * Makefile.in (LIBS): Add $(GMPLIBS).
1371 * doc/install.texi: Update GMP and MPFR requirements.
1372 * doc/sourcebuild.texi (need_gmp): Delete.
1374 2006-10-21 Richard Guenther <rguenther@suse.de>
1376 PR tree-optimization/3511
1377 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1378 got new invariant arguments during PHI translation.
1380 2006-10-21 Richard Guenther <rguenther@suse.de>
1383 * fold-const.c (fold_comparison): Fold signed comparisons
1384 of the form X +- C1 CMP Y +- C2.
1386 2006-10-21 Richard Guenther <rguenther@suse.de>
1389 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1390 if flag_unsafe_math_optimizations is specified. We have
1391 flag_finite_math_only for that.
1392 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1393 or flag_unsafe_math_optimizations.
1395 2006-10-21 Richard Guenther <rguenther@suse.de>
1397 * builtins.c (fold_builtin_classify): Fix typo.
1399 2006-10-21 Richard Guenther <rguenther@suse.de>
1402 * simplify-rtx.c (simplify_const_relational_operation):
1403 Do not constant-fold ORDERED and UNORDERED for
1404 flag_unsafe_math_optimizations but only we do not need to
1405 honor NaNs for the given mode.
1407 2006-10-21 Richard Guenther <rguenther@suse.de>
1410 * config/i386/i386.c (classify_argument): Remove redundant
1411 walking of the BINFOs.
1412 (contains_128bit_aligned_vector_p): Likewise.
1414 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1416 * BASE-VER: Set to 4.3.0.
1418 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1420 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1421 (tree_decl_with_vis): Remove artificial_pta_var flag.
1422 * tree-flow.h (referenced_var_check_and_insert): Expose.
1423 (nonlocal_all): New prototype.
1424 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1425 (nonlocal_all): Make global.
1426 (nonlocal_lookup): Remove.
1427 (nonlocal_insert): Ditto.
1428 (create_nonlocal_var): Do not call nonlocal_insert.
1429 (get_nonlocal_id_for_type): Remove.
1430 (find_global_initializers): Mark new vars we find for renaming.
1431 (intra_create_variable_infos): Only create one nonlocal.
1432 (expand_nonlocal_solutions): Remove.
1433 (compute_points_to_sets): Don't call it.
1434 (ipa_pta_execute): Ditto.
1435 (init_alias_heapvars): Don't create nonlocal_for_type.
1436 (delete_alias_heapvars): Don't remove it.
1437 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1440 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1442 * doc/install.texi (Downloading GCC): Clarify mention of
1443 Fortran in the "full distribution" description.
1445 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1447 Fix PR tree-optimization/28778
1448 Fix PR tree-optimization/29156
1449 Fix PR tree-optimization/29415
1450 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1451 (tree_decl_with_vis): Add artificial_pta_var flag.
1452 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1453 pushed into callers.
1454 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1455 (nonlocal_all): Ditto.
1456 (struct variable_info): Add directly_dereferenced member.
1457 (var_escaped_vars): New variable.
1458 (escaped_vars_tree): Ditto.
1459 (escaped_vars_id): Ditto.
1460 (nonlocal_vars_id): Ditto.
1461 (new_var_info): Set directly_dereferenced.
1462 (graph_size): New variable
1463 (build_constraint_graph): Use graph_size.
1464 (solve_graph): Don't process constraints that cannot change the
1465 solution, don't try to propagate an empty solution to our
1467 (process_constraint): Set directly_dereferenced.
1468 (could_have_pointers): New function.
1469 (get_constraint_for_component_ref): Don't process STRING_CST.
1470 (nonlocal_lookup): New function.
1471 (nonlocal_insert): Ditto.
1472 (create_nonlocal_var): Ditto.
1473 (get_nonlocal_id_for_type): Ditto.
1474 (get_constraint_for): Allow results vector to be empty in the case
1475 of string constants.
1476 Handle results of calls properly.
1477 (update_alias_info): Update alias info stats on number and type of
1479 (find_func_aliases): Use could_have_pointers.
1480 (make_constraint_from_escaped): Renamed from
1481 make_constraint_to_anything, and changed to make constraints from
1483 (make_constraint_to_escaped): New function.
1484 (find_global_initializers): Ditto.
1485 (create_variable_info_for): Make constraint from escaped to any
1486 global variable, and from any global variable to the set of
1488 (intra_create_variable_infos): Deal with escaped instead of
1489 pointing to anything.
1490 (set_uids_in_ptset): Do type pruning on directly dereferenced
1492 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1493 (init_base_vars): Fix comment, and initialize escaped_vars.
1494 (need_to_solve): Removed.
1495 (find_escape_constraints): New function.
1496 (expand_nonlocal_solutions): Ditto.
1497 (compute_points_to_sets): Call find_escape_constraints and
1498 expand_nonlocal_solutions.
1499 (delete_points_to_sets): Don't fall off the end of the graph.
1500 (init_alias_heapvars): Initialize nonlocal_for_type and
1502 (delete_alias_heapvars): Free nonlocal_for_type and null out
1505 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1507 * fold-const.c (add_double): Rename to add_double_with_sign.
1508 Add 'unsigned_p' parameter and take it into account for the overflow.
1509 (mul_double): Rename to mul_double_with_sign.
1510 Add 'unsigned_p' parameter and take it into account for the overflow.
1511 (fold_div_compare): Call add_double_with_sign instead of add_double
1512 and mul_double_with_sign instead of mul_double, passing them the
1513 unsignedness of the type.
1514 * tree.h (add_double): Macroize.
1515 (add_double_with_sign): New prototype.
1516 (mul_double): Macroize.
1517 (mul_double_with_sign): New prototype.
1519 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1521 * config/score/crti.asm: New file.
1522 * config/score/crtn.asm: New file.
1523 * config/score/elf.h: New file.
1524 * config/score/mac.md: New file.
1525 * config/score/misc.md: New file.
1526 * config/score/mul-div.S: New file.
1527 * config/score/predicates.md: New file.
1528 * config/score/score7.md: New file.
1529 * config/score/score.c: New file.
1530 * config/score/score-conv.h: New file.
1531 * config/score/score.h: New file.
1532 * config/score/score.md: New file.
1533 * config/score/score-mdaux.c: New file.
1534 * config/score/score-mdaux.h: New file.
1535 * config/score/score-modes.def: New file.
1536 * config/score/score.opt: New file.
1537 * config/score/score-protos.h: New file.
1538 * config/score/score-version.h: New file.
1539 * config/score/t-score-elf: New file.
1540 * config.gcc: Add score*-*-* configurations(Update before).
1541 * doc/invoke.texi (Score Options): New section.
1542 * doc/md.texi (Score family): New section to document constraints.
1544 2006-10-19 Nick Clifton <nickc@redhat.com>
1546 * config/arm/arm.c: Fix spelling typo.
1548 2006-10-18 Tom Tromey <tromey@redhat.com>
1550 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1552 2006-10-18 Jan Hubicka <jh@suse.cz>
1555 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1558 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1560 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1561 TSI_SAME_STMT, since that's the desired entity.
1563 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1565 * config/s390/contraints.md: New file.
1566 * config/s390/s390-protos.h (s390_mem_constraint,
1567 s390_O_constraint_str, s390_N_constraint_str,
1568 s390_float_const_zero_p): Function prototypes added.
1569 * config/s390/s390.c (s390_extra_constraint_str,
1570 s390_const_double_ok_for_constraint_p,
1571 s390_const_ok_for_constraint_p): Functions removed.
1572 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1573 s390_float_const_zero_p): New functions.
1574 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1575 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1576 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1577 Macro definitions removed.
1578 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1579 s390_extra_constraint_str): Functions removed.
1581 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1582 Richard Sandiford <richard@codesourcery.com>
1585 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1586 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1588 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1590 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1591 (DWARF2_FRAME_REG_OUT): Likewise.
1592 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1593 (DWARF2_FRAME_REG_OUT): Likewise.
1595 2006-10-17 Paul Brook <paul@codesourcery.com>
1597 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1599 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1601 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1602 Standardize on "GNU Fortran" as the official name of the Fortran
1605 2006-10-16 Mike Stump <mrs@apple.com>
1607 * doc/invoke.texi (Darwin Options): Document -mkernel.
1608 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1610 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1611 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1612 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1613 (OS_MISSING_ALTIVEC): Add.
1614 * config/i386/i386.c (override_options): Add
1615 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1616 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1617 -mkernel, -static or -mdynamic-no-pic is given.
1618 (C_COMMON_OVERRIDE_OPTIONS): Add.
1619 * config/darwin.opt (fapple-kext): Add.
1621 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1622 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1624 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1625 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1626 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1627 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1628 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1629 (flag_mkernel): Add.
1630 (flag_apple_kext): Add.
1631 (TARGET_KEXTABI): Add.
1632 * config/darwin.c (darwin_handle_kext_attribute): Add.
1633 (DARWIN_VTABLE_P): Add.
1634 (darwin_binds_local_p): Add partial support for rebinding vtables
1636 (darwin_kextabi_p): Add.
1637 (darwin_override_options): Add.
1638 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1639 (darwin_kextabi_p): Add.
1640 (darwin_override_options): Add.
1641 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1642 __DYNAMIC__ and __STATIC__ here.
1644 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1646 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1647 Added mention of "make pdf" target, and Texinfo requirements for
1650 2006-10-16 DJ Delorie <dj@redhat.com>
1652 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1653 into the GOT in case we need a subreg of the address.
1655 2006-10-16 Richard Guenther <rguenther@suse.de>
1658 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1659 SSE builtin documentation. Document SSE2 builtins.
1661 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1663 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1664 symbol in the output file for non-shared links when -nostdlib or
1665 -nodefaultlibs isn't specified.
1667 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1668 posix thread support.
1670 2006-10-15 Jan Hubicka <jh@suse.cz>
1673 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1674 declared always_inline even when not inlining.
1676 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1677 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1678 Andrew Pinski <pinskia@gmail.com>
1681 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1683 2006-10-15 Jan Hubicka <jh@suse.cz>
1684 Richard Guenther <rguenther@suse.de>
1687 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1688 process_function_and_variable_attributes on all variables, including
1689 those discovered during cgraph construction phase.
1691 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1693 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1695 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1697 * config/i386/athlon.md (athlon_fist): Add fisttp.
1699 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1700 Ian Lance Taylor <ian@airs.com>
1703 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1704 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1707 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1709 * config/score/score.c, config/score/score.h: Fix comment
1712 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1715 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1718 2006-10-13 Eric Christopher <echristo@apple.com>
1720 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1722 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1725 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1726 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1727 alignment supported by 32-bit ELF.
1729 2006-10-13 Eric Christopher <echristo@apple.com>
1731 * config/darwin.c (darwin_emit_unwind_label): Strip
1732 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1734 2006-10-13 Richard Guenther <rguenther@suse.de>
1736 PR tree-optimization/29446
1737 * tree-vrp.c (fix_equivalence_set): Remove.
1738 (extract_range_from_assert): Do not call fix_equivalence_set.
1739 (debug_value_range): Print a newline.
1740 (compare_name_with_value): For equivalence sets with
1741 inconsistent value ranges conservatively bail out.
1742 (compare_names): Likewise.
1744 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1746 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1747 and MPFR for gfortran.
1749 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1751 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1752 alignment supported by 32-bit ELF.
1754 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1758 * c-typeck.c (digest_init): Always allow initializing vectors
1759 that have static storage duration with compound literals.
1760 * tree.c (build_type_attribute_qual_variant): New, based on
1761 build_type_attribute_variant.
1762 (build_type_attribute_variant): Rewrite using the former.
1763 (make_vector_type): Use build_type_attribute_qual_variant to build
1764 type variants. Use type_hash_canon on the others.
1766 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1767 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1769 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1771 2006-10-12 Jan Hubicka <jh@suse.cz>
1774 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1775 current_function_decl is set but current_function_scope is not.
1777 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1779 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1780 emit_insn to emit eh_return_internal instruction.
1781 (eh_return_internal): Explicitly set pc.
1783 2006-10-11 Richard Guenther <rguenther@suse.de>
1785 PR tree-optimization/28230
1786 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1787 to the correct place.
1789 2006-10-11 Richard Guenther <rguenther@suse.de>
1792 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1795 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1797 * configure.ac: Added pdf to "Make-hooks"
1798 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1799 targets and *.pdf file patterns in cleanup targets.
1800 * configure: Regenerated.
1802 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1804 * config/avr/predicates.md: New file.
1805 * config/avr/avr.md: Include it.
1806 (REG_SP): New constant.
1807 (peepholes): Use predicates.
1808 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1809 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1810 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1812 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1814 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1817 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1820 * builtins.c (var_decl_component_p): New function.
1821 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1822 single entry optimization to variables and components thereof.
1824 2006-10-10 Richard Guenther <rguenther@suse.de>
1826 PR rtl-optimization/29323
1827 * except.c (set_nothrow_function_flags): For functions
1828 that do not bind local bail out early.
1830 2006-10-10 Ben Elliston <bje@au.ibm.com>
1832 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1835 2006-10-09 Richard Henderson <rth@redhat.com>
1837 Revert emutls patch.
1839 2006-10-09 Richard Guenther <rguenther@suse.de>
1842 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1845 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1848 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1849 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1850 * configure: Regenerate.
1851 * config.in: Regenerate.
1853 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1855 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1857 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1859 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1860 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1861 Remove stray newline.
1863 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1865 * config/mips/mips.c (mips_classify_symbol): Do not return
1866 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1867 (mips_in_small_data_p): Tweak comments.
1869 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1871 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1873 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1875 * gimplify.c, sched-int.h: Fix comment typos.
1877 * sched-int.h: Fix comment typos.
1879 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1881 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1883 * sched-ebb.c (begin_schedule_ready): Use them.
1884 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1885 add_to_speculative_block, create_check_block_twin, speculate_insn,
1886 fix_jump_move, move_block_after_check): Ditto.
1887 * sched-rgn.c (new_ready): Ditto.
1889 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1891 PR rtl-optimization/29128
1892 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1893 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1894 allow interblock movement of speculation checks.
1896 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1899 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1900 casted to integer type.
1901 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1902 if they are significantly more expensive than [reg + index] ones.
1904 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1906 PR tree-optimization/29330
1907 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1908 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1909 on newly allocated ddrs.
1910 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1911 to VEC (loop_p, heap) pointer.
1912 (compute_data_dependences_for_loop): Adjust caller.
1913 (free_dependence_relations): Free DDR_LOOP_NEST.
1915 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1916 free DEPENDENCE_RELATIONS and DATAREFS.
1919 * builtins.c (expand_builtin_sync_operation,
1920 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1921 Use convert_to_mode to handle promoted arguments.
1923 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1925 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1927 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1929 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1931 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1933 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1934 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1935 Use <modeconstraint> instead of "r" as operand 1 constraint.
1937 2006-10-06 Olivier Hainque <hainque@adacore.com>
1939 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1940 Don't recurse on the pointed-to type.
1941 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1942 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1943 types with components of variable size.
1945 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1947 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1949 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1951 PR tree-optimization/29290
1952 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1956 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1957 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1960 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1961 the number of vector elements fill the rest with zeros.
1963 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1965 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1966 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1969 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1971 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1972 unnamed pattern into subsi3. Use correct constraints/predicates.
1973 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1974 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1976 2006-10-05 Ira Rosen <irar@il.ibm.com>
1978 * doc/loop.texi: Add data references analysis description.
1980 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1982 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1984 2006-10-04 Richard Henderson <rth@redhat.com>
1985 Jakub Jelinek <jakub@redhat.com>
1987 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1988 * builtin-types.def (BT_WORD): Make unsigned.
1989 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1990 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1991 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1992 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1993 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1994 * cgraph.c (decide_is_variable_needed): Look at force_output.
1995 Recurse for emulated tls.
1996 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1997 checks redundant with decide_is_variable_needed.
1998 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1999 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2001 * expr.c (emutls_var_address): New.
2002 (expand_expr_real_1): Expand emulated tls.
2003 (expand_expr_addr_expr_1): Likewise.
2004 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2005 * output.h (emutls_finish): Declare.
2006 * toplev.c (compile_file): Call it.
2007 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2008 address before wrapping in CONST.
2009 * varasm.c (emutls_htab, emutls_object_type): New.
2010 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2011 (get_emutls_object_name, get_emutls_object_type): New.
2012 (get_emutls_init_templ_addr, emutls_decl): New.
2013 (emutls_common_1, emutls_finish): New.
2014 (assemble_variable): When emulating tls, swap decls; generate
2015 constructor for the emutls objects.
2016 (do_assemble_alias): When emulating tls, swap decl and target name.
2017 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2019 * emutls.c: New file.
2020 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2021 tls_object for real tls.
2023 2006-10-04 Zack Weinberg <zackw@panix.com>
2025 Fix bug in constraint-check generator, reported by Rask Ingemann
2027 * genpreds.c (add_constraint): Don't remove anything from the
2029 (write_tm_constrs_h): Detect whether "op" argument is used, and
2030 mark it ARG_UNUSED if it isn't.
2031 (write_insn_const_int_ok_for_constraint): Skip the part of the
2032 expression that would test whether "op" (which is not available
2033 here) is a CONST_INT.
2035 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2038 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2040 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2042 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2043 current Leopard versions.
2044 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2046 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2048 * doc/install.texi: Fix typos.
2050 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2052 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2053 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2054 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2056 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2058 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2059 arg to be struct mach_header_64* instead.
2061 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2064 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2065 side effects after the outer expression's post side effects.
2067 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2069 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2070 comments to reflect actual behavior and relationship between
2071 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2073 * doc/c-tree.texi (Working with declarations): Fix documentation
2074 of FIELD_DECL likewise.
2076 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2079 * doc/extend.texi: Add used variable attribute description.
2081 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2084 * c.opt (Woverride-init): New.
2085 * c-opts.c (c_common_post_options): Default warn_override_init to
2087 * c-typeck.c (add_pending_init, output_init_element): Warn for
2088 overriding initializers without side effects.
2089 * doc/invoke.texi (-Woverride-init): Document.
2092 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2094 PR rtl-optimization/28096
2095 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2096 assignment has already been used as a destination earlier in the block.
2098 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2100 * builtins.c (expand_builtin_setjmp): Delete.
2101 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2102 <BUILT_IN_SETJMP_SETUP>: New case.
2103 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2104 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2105 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2106 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2107 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2108 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2109 (lower_function_body): Initialize it to false. If it is set to true
2110 at the end of the processing, emit the setjmp dispatcher.
2111 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2112 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2113 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2114 on the rhs of the assignment.
2115 (lower_builtin_setjmp): New function.
2116 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2117 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2118 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2119 to detect calls that can go to non-local labels. Use specific
2120 helper to create the abnormal edges associated with them.
2121 <MODIFY_EXPR>: Likewise.
2122 (make_abnormal_goto_edges): New function extracted from...
2123 (make_goto_expr_edges): ...here. Call it for computed gotos.
2124 (simple_goto_p): Minor tweak.
2125 (tree_can_make_abnormal_goto): New predicate.
2126 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2127 (tree_purge_dead_abnormal_call_edges): New function.
2128 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2129 (tree_purge_dead_abnormal_call_edges): Likewise.
2130 (make_abnormal_goto_edges): Likewise.
2131 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2132 Purge all dead abnormal edges if the call was in the last statement.
2133 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2134 (execute_fixup_cfg): If there are non-local labels in the function,
2135 scan the basic blocks and split them at calls that can go to non-local
2136 labels or add missing abnormal call edges. Write down the CFG in the
2138 (pass_fixup_cfg): Remove TODO_dump_func flag.
2139 * unwind-sjlj.c: Poison setjmp.
2140 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2141 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2142 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2143 (DONT_USE_BUILTIN_SETJMP): Document it.
2145 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2148 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2149 to 1 when __ppc64__ is defined.
2150 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2152 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2154 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2156 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2157 * config/ia64/unwind-hpux.c: Delete.
2159 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2161 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2162 on the element before gimplifying it, instead of punting if it is of
2165 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2167 * doc/loop.texi: New file.
2168 * doc/gccint.texi: Reference loop.texi.
2169 * Makefile.in (loop.texi): Add.
2171 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2173 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2175 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2176 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2178 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2180 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2182 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2184 * doc/install.texi: Document required versions of GMP and MPFR.
2186 2006-09-27 Paul Brook <paul@codesourcery.com>
2189 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2191 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2193 * reload1.c (alter_reg): Require the alignment of the stack slot to
2194 be at least reg_max_ref_width bytes.
2195 (scan_paradoxical_subregs): Record the largest width in
2198 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2202 * tree-nested.c (struct nesting_info): Added static_chain_added.
2203 (convert_call_expr): Set static_chain_added when adding static
2204 chain. Handle OMP_PARALLEL and OMP_SECTION.
2206 2006-09-25 Matthias Klose <doko@debian.org>
2208 * doc/invoke.texi: Add missing full stop.
2210 2006-09-25 Richard Henderson <rth@redhat.com>
2212 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2213 before cgraph_function_flags_ready.
2215 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2216 Adam Nemet <anemet@caviumnetworks.com>
2218 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2219 determine_common_wider_type): New functions.
2220 (get_computation_aff): Use them to simplify arithmetic between
2221 UBASE and CBASE if they are shortened from the same type.
2223 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2226 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2227 -2147483647 - 1 instead of 0x80000000.
2229 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2231 * flags.h (HONOR_NANS): Fix typo in comment.
2233 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2235 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2237 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2241 * tree.c (merge_attributes, attribute_list_contained): If both
2242 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2244 * c-typeck.c (comptypes_internal): Don't consider aggregates
2245 in different TUs as compatible if there one set of attributes is
2246 not a subset of the other type's attributes.
2247 (composite_type): Try harder not to create a new aggregate type.
2249 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2251 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2252 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2253 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2254 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2255 than replicating condition above.
2256 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2258 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2259 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2260 the linker by default.
2262 2006-09-22 Mike Stump <mrs@apple.com>
2264 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2267 2006-09-22 Richard Guenther <rguenther@suse.de>
2270 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2271 sort of stack variables stable.
2273 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2276 * explow.c (force_reg): Set REG_POINTER flag according to
2279 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2281 PR tree-optimization/28888
2282 * tree-if-conv.c (combine_blocks): Rewritten.
2283 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2284 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2286 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2288 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2291 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2293 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2295 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2297 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2299 2006-09-21 Roger Sayle <roger@eyesopen.com>
2302 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2303 dw_fde_current_label, to be the start of the function, i.e. the same
2304 value as dw_fde_begin.
2306 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2308 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2309 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2310 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2311 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2312 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2313 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2314 (abs<mode>2, neg<mode>2): Likewise.
2315 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2316 (*mips_abs_ps): New define_insn.
2318 2006-09-20 Josh Conner <jconner@apple.com>
2321 * calls.c (expand_call): Allow reuse of structure return stack
2324 2006-09-20 Paul Brook <paul@codesourcery.com>
2326 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2329 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2331 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2332 clean up terminology.
2334 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2337 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2338 with tablejumps in them.
2340 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2343 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2344 wrap it into TARGET_EXPR.
2346 2006-09-20 Eric Christopher <echristo@apple.com>
2348 * config/i386/i386.c (x86_fisttp): Remove.
2349 * config/i386/i386.h (x86_fisttp): Ditto.
2350 (TARGET_FISTTP): Ditto.
2352 2006-09-19 Eric Christopher <echristo@apple.com>
2354 * doc/tm.texi (OBJC_JBLEN): Describe.
2355 * config/i386/darwin.h (OBJC_JBLEN): Define.
2356 * config/rs6000/darwin.h: Ditto.
2358 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2360 PR rtl-optimization/21299
2361 * reload1.c (reload): Purge invalid ASMs in the final pass.
2363 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2366 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2367 pointers as legitimate constants.
2369 2006-09-19 Paul Brook <paul@codesourcery.com>
2372 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2374 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2376 PR tree-optimization/28887
2377 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2378 component parts from the reference.
2379 (gather_memory_references_ref): Record the reference without the
2380 nonaddressable component parts.
2382 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2385 * c-opts.c (c_common_handle_option): Ignore the -std options
2386 if the input language is assembly.
2388 2006-09-17 Ira Rosen <irar@il.ibm.com>
2391 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2393 (ptr_ptr_may_alias_p): Likewise.
2394 (record_record_differ_p): New function.
2395 (base_object_differ_p): Call record_record_differ_p.
2397 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2400 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2401 away for the expr argument.
2403 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2406 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2407 before using it for dumping after vectorizing loops.
2409 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2410 Jack Howarth <howarth@bromo.med.uc.edu>
2413 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2414 skip on error_mark_node.
2415 (rs6000_darwin64_record_arg_recurse): Likewise.
2417 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2419 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2420 * doc/rtl.texi: Remove related documentation.
2422 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2424 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2427 2006-09-15 Jim Wilson <wilson@specifix.com>
2429 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2430 Handle symbol offsets same as they are handled in ia64_expand_move
2433 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2435 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2436 Add forgotten parameter to the fprintf call.
2438 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2440 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2442 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2444 * doc/contrib.texi: Add my entry.
2446 2006-09-15 Nick Clifton <nickc@redhat.com>
2448 * doc/md.texi (Processor pipeline description): Fix typo in
2449 example of how to use the absence_set directive and reword the
2450 description to make it slightly easier to read.
2452 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2454 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2455 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2456 expanding the number of iterations.
2457 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2459 * cfgrtl.c (emit_insn_at_entry): New function.
2460 * rtl.h (emit_insn_at_entry): Declare it.
2461 * integrate.c (emit_initial_value_sets): Use it.
2463 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2465 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2467 (struct loop_work and related VEC declarations): Delete.
2468 (bfin_dump_loops): Print out new member bad.
2469 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2470 (bfin_scan_loop): Don't recurse.
2471 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2472 loops. No longer need to update outer loops if the current one is
2473 found bad. Move some validitiy checks to bfin_discover_loop.
2474 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2475 but changed not to check for nesting. Also changed to use the new bad
2477 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2478 time. Use bitmap based test to discover loop nesting.
2480 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2482 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2485 2006-09-14 Richard Guenther <rguenther@suse.de>
2486 Kazu Hirata <kazu@codesourcery.com>
2488 PR middle-end/28884.
2489 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2490 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2491 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2492 with TARGET_FUNCTION_VALUE.
2494 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2497 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2499 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2501 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2504 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2507 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2510 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2512 * basic_block.h (bb_has_eh_pred): Fix comment.
2514 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2516 * flow.c (calculate_global_regs_live): Invalidate eh registers
2517 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2518 (propagate_block): Handle eh registers as if they were set at basic
2520 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2522 * global.c (global_conflicts): Make eh registers to conflict with
2523 pseudos live at basic block begin.
2524 * basic_block.h (bb_has_eh_pred): New function.
2526 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2528 PR rtl-optimization/28982
2529 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2530 index of a PRE_MODIFY or POST_MODIFY address.
2531 * reload1.c (inc_for_reload): Use find_replacement on the original
2532 base and index registers.
2534 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2536 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2537 for -Os. Update __m128 alignment requirement.
2539 2006-09-13 Jan Hubicka <jh@suse.cz>
2541 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2543 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2545 PR rtl-optimization/28243
2546 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2547 the insn to which the note was originally attached.
2549 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2550 Roger Sayle <roger@eyesopen.com>
2552 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2553 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2554 on platforms that don't use dwarf for debug info.
2556 2006-09-12 Jason Merrill <jason@redhat.com>
2559 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2560 hard_frame_pointer_rtx after using it to update the frame pointer.
2562 2006-09-12 Roger Sayle <roger@eyesopen.com>
2564 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2565 (TARGET_ASM_CLOSE_PAREN): Likewise.
2566 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2567 (TARGET_ASM_CLOSE_PAREN): Likewise.
2569 2006-09-12 Roger Sayle <roger@eyesopen.com>
2572 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2573 frame information for frames larger than 512 Kbytes on Tru64 when
2574 using the native assembler.
2576 2006-09-12 Roger Sayle <roger@eyesopen.com>
2580 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2581 and symbols. Instead use the implementation from cse.c's hash_rtx.
2583 2006-09-12 Jan Hubicka <jh@suse.cz>
2585 PR rtl-optimization/28071
2586 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2587 (vect_transform_loop): Likewise.
2588 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2589 (new_loop_vec_info): Likewise.
2590 (destroy_loop_vec_info): Likewise.
2591 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2592 (create_stmt_ann): Likewise.
2593 (create_tree_ann): Rename to ...
2594 (create_tree_common_ann): ... this one; allocate only the common part
2596 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2597 (get_value_handle): Likewise.
2598 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2599 get_tree_common_ann.
2600 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2601 (vinfo_for_stmt): Use stmt annotations.
2602 * tree-flow.h (tree_ann_common_t): New type.
2603 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2604 (tree_ann, get_tree_ann, create_tree_ann): New.
2605 * tree-flow-inline.h (get_function_ann): Do more type checking.
2606 (stmt_ann): Likewise.
2607 (tree_ann): Rename to ...
2608 (tree_common_ann): ... this one; return ony common_ann
2609 (get_tree_ann): Rename to ...
2610 (tree_common_ann): This one; return only common_ann.
2611 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2614 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2616 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2617 with_cpu by default.
2619 * dwarf2out.c (dwarf_file_data): New.
2620 (enum dw_val_class): Add dw_val_class_file.
2621 (struct dw_val_struct): Add val_file.
2622 (file_table): Change to a hash table.
2623 (file_table_emitted): Delete.
2624 (file_table_last_lookup_index): Delete.
2625 (emitcount): Delete.
2626 (last_emitted_file): New.
2627 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2628 (init_file_table): Delete.
2629 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2630 (AT_addr): Add comment.
2634 (print_die): Handle dw_val_class_file.
2635 (print_dwarf_line_table): Update for new file table structure.
2636 (attr_checksum): Do checksum a filename.
2637 (same_dw_val_p, same_attr_p): Do compare a filename.
2638 (size_of_die): Handle dw_val_class_file.
2639 (value_format): Likewise.
2640 (output_die): Likewise. Also, call maybe_emit_file here.
2641 (struct file_info): Constify filenames. Make file_idx a pointer
2642 to a struct dwarf_file_data.
2643 (struct dir_info): Constify directory names. Remove 'used' field.
2644 (struct file_name_acquire_data): New.
2645 (file_name_acquire): New.
2646 (output_file_names): Modify to handle new file data structures.
2647 (add_src_coords_attributes): Use add_AT_file.
2648 (add_call_src_coords_attributes): Likewise.
2649 (dwarf2out_imported_module_or_decl): Likewise.
2650 (gen_subprogram_die): Modify for new file data structures.
2651 (gen_variable_die): Likewise.
2652 (file_table_eq): New.
2653 (file_table_hash): New.
2654 (file_table_last_lookup): New.
2655 (lookup_filename): Rewrite to handle new file data structures.
2656 (maybe_emit_file): Rewrite to handle new file data structures.
2657 (dwarf2out_source_line): Always call lookup_filename and
2659 (dwarf2out_init): Create file_table here.
2660 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2661 (file_table_relative_p): New.
2662 (dwarf2out_finish): Change detection of relative filenames
2663 to work with new file data structures. Move output_line_info call
2664 after debug_info output.
2666 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2671 * config/i386/i386.c (override_options): Always default to 16
2672 byte stack boundary.
2674 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2677 * var-tracking.c (dump_dataflow_set): Start dumping at
2679 (clobber_variable_part): Kill only the variable part in
2680 registers holding it, leaving other variables alone.
2682 2006-09-11 Josh Triplett <josh@freedesktop.org>
2684 * doc/extend.texi (Other Builtins): Actually use the macro
2685 argument in the documentation example for
2686 __builtin_types_compatible_p.
2688 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2690 PR rtl-optimization/28726
2691 * sched-deps.c (sched_analyze_reg): New function extracted from...
2692 (sched_analyze_1): ...here. Call it to analyze references to
2693 registers. Treat again writes to a stack register as writing to the
2695 (sched_analyze_2): ...and here. Call it to analyze references to
2696 registers. Treat again reads of a stack register as reading the
2699 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2700 David Edelsohn <edelsohn@gnu.org>
2703 * config/rs6000/spe.md (frob_df_di): Remove %H.
2704 (frob_di_df): Remove %H. Change evmergelo to mr.
2705 (frob_di_df_2): Remove %H. Change evldd to two loads.
2707 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2709 * doc/cpp.texi: Fix names of charset options.
2711 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2714 * config/i386/i386.c (override_options): Use 128-bit
2715 stack boundary always for 64bits.
2717 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2719 PR rtl-optimization/28636
2720 * combine.c (force_to_mode): Test for side-effects before
2721 substituting by zero.
2722 (simplify_shift_const): Likewise for zero or other constants.
2724 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2727 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2730 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2733 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2734 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2735 returned by mode_for_size, rather than the mode of src itself,
2736 to choose between 32-bit and 64-bit patterns.
2737 (mips_mem_fits_mode_p): New function.
2738 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2739 that the size of the source matches the size of the destination.
2740 (mov_<store>l, mov_<store>r): Likewise.
2742 2006-09-10 Eric Christopher <echristo@apple.com>
2744 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2747 2006-09-09 Eric Christopher <echristo@apple.com>
2750 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2753 2006-09-09 Roger Sayle <roger@eyesopen.com>
2754 Nicolas Setton <setton@adacore.com>
2756 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2758 2006-09-10 Andreas Schwab <schwab@suse.de>
2760 * config/m68k/m68k.md (bungt_rev): New pattern.
2762 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2763 Dale Johannesen <dalej@apple.com>
2766 * regclass.c (struct reg_pref): Update documentation.
2767 (regclass): Set prefclass to NO_REGS if memory is the best option.
2768 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2770 2006-09-08 Eric Christopher <echristo@apple.com>
2772 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2773 * config/t-slibgcc-darwin: Support x86_64 multilib.
2774 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2775 Return 1 for x86_64-darwin.
2776 * config/i386/t-darwin: Add m64 multilib.
2777 (LIB2_SIDITI_CONV_FUNCS): Use.
2778 (LIB2FUNCS_EXTRA): Ditto.
2779 * config/i386/darwin.h: Support x86_64.
2780 * config/i386/i386.c (override_options): Turn on flag_pic
2781 for x86_64-darwin. Disable flag_omit_pointer.
2782 (get_pc_thunk_name): Assert !TARGET_64BIT.
2783 (legitimate_address_p): Disable machopic addressing for
2785 (legitimize_pic_address): Ditto.
2786 (ix86_expand_move): Ditto.
2787 (ix86_expand_call): Ditto.
2788 (machopic_output_stub): Ditto.
2789 * config/darwin.c (machopic_select_section): Support literal16.
2790 (machopic_select_rtx_section): Ditto.
2791 * config/darwin-sections.def: Ditto.
2792 * config/darwin-64.c: New.
2794 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2797 * c-tree.h (struct c_arg_info): Add pending_sizes.
2798 * c-parser.c (c_parser_parms_declarator,
2799 c_parser_parms_list_declarator): Initialize pending_sizes.
2800 * c-decl.c (get_parm_info): Initialize pending_sizes.
2801 (get_parm_info): Set pending_sizes.
2802 (grokdeclarator): Call put_pending_sizes for parameters for
2803 function definition only.
2805 2006-09-07 Jason Merrill <jason@redhat.com>
2808 * varasm.c (output_constant): Only strip actual no-op conversions.
2811 * config/i386/i386.c (override_options): Use 128-bit
2812 stack boundary if -msse.
2814 2006-09-07 Eric Christopher <echristo@apple.com>
2816 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2818 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2821 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2823 * dwarf2out.c: Remove strange characters from comment above
2824 dwarf2out_frame_debug_expr.
2826 2006-09-07 Eric Christopher <echristo@apple.com>
2828 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2829 * config/darwin.h: ... to here.
2831 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2833 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2835 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2836 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2838 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2839 TARGET_PARTIAL_FLAG_REG_STALL.
2840 (*ashldi3_cconly_rex64): Likewise.
2841 (*ashlsi3_cmp): Likewise.
2842 (*ashlsi3_cconly): Likewise.
2843 (*ashlsi3_cmp_zext): Likewise.
2844 (*ashlhi3_cmp): Likewise.
2845 (*ashlhi3_cconly): Likewise.
2846 (*ashlqi3_cmp): Likewise.
2847 (*ashlqi3_cconly): Likewise.
2848 (*ashrdi3_cmp_rex64): Likewise.
2849 (*ashrdi3_cconly_rex64): Likewise.
2850 (*ashrsi3_cmp): Likewise.
2851 (*ashrsi3_cconly): Likewise.
2852 (*ashrsi3_cmp_zext): Likewise.
2853 (*ashrhi3_cmp): Likewise.
2854 (*ashrhi3_cconly): Likewise.
2855 (*ashrqi3_cmp): Likewise.
2856 (*ashrqi3_cconly): Likewise.
2857 (*lshrdi3_cmp_rex64): Likewise.
2858 (*lshrdi3_cconly_rex64): Likewise.
2859 (*lshrsi3_cmp): Likewise.
2860 (*lshrsi3_cconly): Likewise.
2861 (*lshrsi3_cmp_zext): Likewise.
2862 (*lshrhi3_cmp): Likewise.
2863 (*lshrhi3_cconly): Likewise.
2864 (*lshrqi2_cmp): Likewise.
2865 (*lshrqi2_cconly): Likewise.
2867 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2870 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2871 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2872 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2873 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2874 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2875 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2876 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2877 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2878 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2879 implement only CC setting effects of shift instructions.
2881 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2883 * doc/contrib.texi: Add myself.
2885 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2888 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2889 was set by the user.
2891 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2894 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2895 (divsi_inv_m1): Use them.
2896 (UNSPEC_DIV_INV_TABLE): New constant.
2898 2006-09-06 James E Wilson <wilson@specifix.com>
2901 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2902 then call count_or_remove_death_notes.
2904 2006-09-06 Jason Merrill <jason@redhat.com>
2907 * tree-inline.c (copy_result_decl_to_var): New fn.
2908 (declare_return_variable): Use it. Call declare_inline_vars here.
2909 (expand_call_inline): Not here.
2911 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2913 * doc/contrib.texi: Update my entry.
2915 2006-09-06 Nick Clifton <nickc@redhat.com>
2917 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2919 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2922 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2923 (canonicalize_induction_variables): Likewise.
2924 (tree_unroll_loops_completely): Likewise.
2925 (tree_ssa_prefetch_arrays): Likewise.
2926 (remove_empty_loops): Likewise.
2927 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2928 TODO_cleanup_cfg instead of directly calling
2929 cleanup_tree_cfg_loop.
2930 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2932 (tree_unroll_loops_completely): Likewise.
2933 (remove_empty_loops): Likewise.
2934 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2935 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2936 of tree_ssa_unswitch_loops.
2937 (tree_ssa_loop_ivcanon): Use the return value of
2938 canonicalize_induction_variables.
2939 (tree_ssa_empty_loop): Use the return value of
2941 (tree_complete_unroll): Use the return value of
2942 tree_unroll_loops_completely.
2943 (tree_ssa_loop_prefetch): Use the return value of
2944 tree_ssa_prefetch_arrays.
2945 * passes.c (execute_todo): Before Cleanup CFG, set
2946 updating_used_alone and after cleanup CFG, call
2947 recalculate_used_alone.
2949 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2952 * tree-vect-transform.c (vectorizable_condition): Move the check
2953 for the type after the check for simple condition.
2955 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2956 Kaz Kojima <kkojima@gcc.gnu.org>
2959 * mode-switching.c (optimize_mode_switching): Make the destination
2960 block of an abnormal edge have no anticipatable mode. Don't
2961 insert mode switching code at the end of the source block of
2964 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2966 PR rtl-optimization/26847
2967 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2968 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2969 (simplify_plus_minus): Count n_constants while filling ops. Replace
2970 qsort with insertion sort. Before going through the array to simplify
2971 pairs, sort it. Delay early exit until after the first sort, exiting
2972 only if no swaps occurred. Simplify pairs in reversed order, without
2973 special-casing the first iteration. Pack ops after simplifying pairs.
2975 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2977 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2978 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2979 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2980 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2982 2006-09-05 Richard Guenther <rguenther@suse.de>
2984 PR tree-optimization/28900
2985 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2986 compound conditional before creating COND_EXPR condition.
2988 2006-09-05 Richard Guenther <rguenther@suse.de>
2990 PR tree-optimization/28905
2991 * tree-vrp.c (fix_equivalence_set): Manually implement
2992 !value_ranges_intersect_p to also handle symbolic ranges.
2994 2006-09-05 Richard Guenther <rguenther@suse.de>
2997 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3000 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3002 PR rtl-optimization/27616
3003 * cse.c (table_size): New static variable.
3004 (new_basic_block): Initialize it to 0.
3005 (remove_from_table): Decrement it.
3006 (insert): Increment it.
3007 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3008 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3009 fold_rtx_mem_1 if under the cap.
3010 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3011 the lookup of the equivalent expression and test for equality of the
3012 first operand of the equivalent expression before in turn looking up
3013 an equivalent constant for the second operand.
3015 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3018 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3019 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3020 pointer, instead of assuming it is possible to derive the
3021 correct args size from a call insn.
3023 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3026 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3027 (fold_builtin_mempcpy): Rename to...
3028 (fold_builtin_memory_op): ... this. Optimize one element copy
3030 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3032 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3033 (expand_builtin_memcpy, expand_builtin_mempcpy,
3034 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3035 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3036 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3037 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3039 2006-09-01 DJ Delorie <dj@redhat.com>
3041 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3042 (stzx_16): Likewise.
3043 ("stzx_24_<mode>"): Likewise.
3044 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3045 ("cmp<mode>_op"): New.
3046 (cmp<mode>): Change to expander; just save operands.
3048 (b<code>): Change to expander, emit compare here.
3049 (s<code>_op): Change to use split and expander.
3050 (s<code>_24_op): Likewise.
3051 (s<code>_<mode>): New.
3052 (s<code>_<mode>_24): New.
3053 (movqicc_<code>_<mode): New.
3054 (movhicc_<code>_<mode>): New.
3057 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3058 (m32c_pend_compare): New.
3059 (m32c_unpend_compare): New.
3060 (m32c_expand_scc): New.
3061 (m32c_expand_movcc): Emit the compare also.
3062 * config/m32c/predicates.md (mra_nopp_operand): New.
3064 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3065 Richard Guenther <rguenther@suse.de>
3066 Adam Nemet <anemet@caviumnetworks.com>
3069 * builtins.c (get_pointer_alignment): Handle more forms
3070 of base addresses that can be used to derive more precise
3071 information about alignment.
3073 2006-09-01 Jason Merrill <jason@redhat.com>
3076 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3079 * gimplify.c (voidify_wrapper_expr): Handle null type.
3081 2006-09-01 Josh Conner <jconner@apple.com>
3084 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3085 (execute_return_slot_opt): Use it.
3087 2006-08-31 Josh Conner <jconner@apple.com>
3090 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3091 returning aggregates.
3093 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3095 PR tree-optimization/28839
3096 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3097 blocks in that phi arguments appear.
3099 2006-08-31 Roger Sayle <roger@eyesopen.com>
3102 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3103 NULL, otherwise use an advance_loc4 to adjust relative to the
3105 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3106 (dwarf2out_switch_text_section): Reset the current label to avoid
3107 using advance_loc4 over section boundaries.
3109 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3112 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3113 r12 + SYMBOLIC_CONST.
3115 2006-08-30 Richard Guenther <rguenther@suse.de>
3117 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3119 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3121 PR rtl-optimization/27735
3122 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3123 Add new argument to keep track of whether an irreducible region
3124 was affected. All callers changed.
3125 (fix_irreducible_loops): Removed.
3126 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3127 flags were invalidated.
3129 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3131 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3132 instead of SF operands.
3133 (*fop_df_comm_sse): Likewise.
3134 (*fop_df_comm_i387): Likewise.
3135 (*fop_df_1_mixed): Likewise.
3136 (*fop_df_1_sse): Likewise.
3138 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3139 J"orn Rennecke <joern.rennecke@st.com>
3141 PR tree-optimization/17506
3142 * tree-ssa.c (warn_uninit): If warning about a location outside of
3143 the current function, note where the variable was declared.
3145 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3147 PR tree-optimization/28411
3148 * double-int.c (double_int_div): Use double_int_divmod.
3149 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3150 double_int_mod, double_int_smod, double_int_umod): New functions.
3151 * double-int.h (double_int_divmod, double_int_sdivmod,
3152 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3154 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3156 (get_computation_aff, get_computation_cost_at): Handle double_int
3157 return type of constant_multiple_of.
3159 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3162 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3163 an implicit conversion.
3165 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3167 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3169 2006-08-27 Roger Sayle <roger@eyesopen.com>
3171 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3174 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3176 * config/i386/crtfastmath.c: Fix a comment typo.
3178 2006-08-26 Roger Sayle <roger@eyesopen.com>
3180 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3181 temporary visit flags on CASE_LABEL_EXPRs.
3182 * c-common.c (match_case_to_enum): Add function comment. Avoid
3183 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3184 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3185 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3186 a constant, only warn if that constant value isn't handled.
3188 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3191 * input.h (restore_input_file_stack): Declare.
3192 (INPUT_FILE_STACK_BITS): Define.
3193 * toplev.c (fs_p, input_file_stack_history,
3194 input_file_stack_restored, restore_input_file_stack): New.
3195 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3196 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3197 (pop_srcloc): Don't free old state of stack.
3199 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3202 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3203 (PowerPC Type Attributes): New.
3205 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3207 * config/xtensa/xtensa.c (function_arg_boundary): New.
3208 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3210 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3211 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3213 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3216 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3219 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3221 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3222 (verify_local_live_at_start): Likewise.
3224 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3227 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3228 omp_add_variable): Treat sizes as variable whenever not
3231 2006-08-26 Richard Guenther <rguenther@suse.de>
3234 * fold-const.c (fold_binary): Fold temporary to correct
3235 type before constructing new comparison.
3237 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3240 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3241 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3243 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3246 * c-decl.c (start_function): Don't try to process prototype
3247 information from old declaration that isn't a function.
3249 2006-08-25 Jan Hubicka <jh@suse.cz>
3252 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3254 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3257 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3260 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3262 PR tree-optimization/16876
3263 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3264 exit if PARM doesn't match VALUE.
3266 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3268 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3269 literal_prefix directive.
3270 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3271 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3272 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3274 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3277 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3278 predicate to general_operand. Add 0->y and I->r alternatives.
3280 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3282 * doc/tm.texi: Fix a typo.
3283 * predict.c: Fix comment typos.
3285 2006-08-25 Nick Clifton <nickc@redhat.com>
3287 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3288 assertions of "cpu" and "machine".
3290 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3293 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3294 the access through a base which has an alias set of 0 cannot
3297 2006-08-24 Bill Wendling <wendling@apple.com>
3299 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3301 2006-08-24 Jan Hubicka <jh@suse.cz>
3303 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3305 2006-08-24 Jan Hubicka <jh@suse.cz>
3308 * cgraph.c: Fix comments.
3309 (cgraph_varpool_mark_needed_node): Mark only variables not already
3311 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3312 (cgraph_varpool_assembled_nodes_queue): New static variable.
3313 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3314 (cgraph_varpool_output_debug_info): New function.
3315 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3316 * Makefile.in: Add gt-cgraphunit.h
3318 2006-08-24 Jan Hubicka <jh@suse.cz>
3320 * predict.c (probability_reliable_p): New predicate.
3321 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3322 (predict_loops): Do not predict loop exit with less than 2%
3324 * basic-block.h (edge_probability_reliable_p,
3325 br_prob_note_reliable_p): Declare.
3326 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3327 prediction when static predictor is not reliable.
3328 * rs6000.c (output_cbranch): Likewise.
3330 2006-08-23 Stuart Hastings <stuart@apple.com>
3333 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3334 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3336 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3339 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3340 complex values, nor for generic vector values.
3342 2006-08-22 Richard Guenther <rguenther@suse.de>
3345 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3346 parameter. Convert arguments to arithmetic expression to the
3348 (analyze_scalar_evolution_1): Adjust caller.
3350 2006-08-22 Jan Hubicka <jh@suse.cz>
3352 Patch by Paolo Bonzini
3353 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3356 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3358 PR tree-optimization/28003
3359 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3360 before grouping aliases.
3362 2006-08-22 Roger Sayle <roger@eyesopen.com>
3364 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3365 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3367 2006-08-21 Jason Merrill <jason@redhat.com>
3370 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3371 wrapper. Loop to handle nested wrappers.
3372 (gimplify_bind_expr): Remove temp parameter.
3373 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3374 and STATEMENT_LIST on the rhs.
3375 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3376 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3377 (gimplify_target_expr): Remove special BIND_EXPR handling.
3379 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3381 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3384 2006-08-21 Olivier Hainque <hainque@adacore.com>
3386 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3387 Arrange for the temporary captures of components overlapping the lhs
3388 to happen before the lhs is possibly cleared.
3390 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3392 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3393 necessary places to pass the correct "number of registers" values
3396 2006-08-20 Jan Hubicka <jh@suse.cz>
3398 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3399 (create_name_tags): Instead of quadratic checking use hashtable.
3400 * bitmap.h: Include hashtab.h.
3401 (bitmap_hash): Declare.
3402 * bitmap.c (bitmap_hash): New function.
3404 2006-08-20 Jan Hubicka <jh@suse.cz>
3406 PR rtl-optimization/28071
3407 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3409 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3410 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3411 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3412 cgraph_decide_inlining_incrementally): Update use of
3413 cgraph_check_inline_limits.
3414 * cgraph.c (edge_hash, edge_eq): New function.
3415 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3416 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3417 cgraph_remove_node): Maintain call site hash.
3418 * cgraph.h (struct cgraph_node): Add call_site_hash.
3419 (cgraph_set_call_stmt): New function.
3421 2006-08-20 Jan Hubicka <jh@suse.cz>
3423 PR rtl-optimization/28071
3424 * reload1.c (reg_has_output_reload): Turn into regset.
3425 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3426 choose_reload_regs, emit_reload_insns): Update to new
3427 reg_has_output_reload.
3429 2006-08-20 Jan Hubicka <jh@suse.cz>
3432 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3433 function body sizes.
3434 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3436 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3439 * tree.c (handle_dll_attribute): Return early if not a
3440 var or function decl.
3442 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3445 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3446 alignment of SPE vector types.
3448 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3450 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3452 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3455 * cgraph.h (struct cgraph_node): Remove externally_visible
3457 * cgraphunit.c (process_function_and_variable_attributes): Set
3458 local.externally_visible rather than externally_visible.
3461 * c-common.c (handle_externally_visible_attribute): First look
3462 at TREE_CODE and only if it is function or var decl, check for
3463 non-public objects. Don't warn for DECL_EXTERNAL.
3464 * cgraphunit.c (process_function_and_variable_attributes): Warn
3465 if externally_visible attribute is used on non-public object.
3467 2006-08-17 Jan Hubicka <jh@suse.cz>
3469 PR tree-optimization/27865
3470 * reload1.c (forget_marked_reloads): New function.
3471 (forget_old_reloads_1): When data are passed, just mark the registers
3473 (reload_as_needed): Use the new mechanizm.
3475 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3478 * reload.h (reg_equiv_alt_mem_list): New declaration.
3479 * reload1.c (reg_equiv_alt_mem_list): New definition.
3480 (reload): Initialize it and release it.
3481 (delete_output_reload): Use it.
3482 * reload.c (push_reg_equiv_alt_mem): New function.
3483 (find_reloads_toplev): Call it.
3484 (find_reloads_address, find_reloads_address_1): Likewise.
3485 (find_reloads_subreg_address): Likewise.
3487 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3489 PR rtl-optimization/28489
3490 * sched-ebb.c (begin_schedule_ready): Create basic block
3492 (advance_target_bb): Skip empty blocks.
3493 * haifa-sched.c (bb_note): Make global.
3494 * sched-int.h (bb_note): Add prototype.
3496 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3498 PR tree-optimization/27865
3499 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3501 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3502 fold_used_pointer, pointer_used_p): New functions.
3503 (analyze_scalar_evolution_1): Use fold_used_pointer.
3504 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3505 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3508 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3511 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3512 or the INTEGER_CST. Fail on a CALL_EXPR.
3513 (fold_offsetof): Pass new argument to fold_offsetof_1.
3514 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3515 operand into an INDIRECT_REF.
3516 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3518 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3520 PR gcov/profile/26570
3521 * value-prof.c (static_values): Removed.
3522 (tree_find_values_to_profile): Do not set static_values.
3523 (find_values_to_profile): Do not free static_values.
3524 * profile.c (instrument_values): Do not free the values.
3525 (branch_prob): Free the values.
3527 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3529 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3531 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3534 * c-typeck.c (build_component_ref): Combine qualifiers of
3535 structure or union and field.
3537 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3539 PR rtl-optimization/28071
3540 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3541 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3542 * tree-into-ssa.c (struct dom_dfsnum): New.
3543 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3545 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3546 compute_global_livein.
3547 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3548 in phi nodes in the correct blocks.
3550 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3552 PR tree-optimization/28364
3553 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3555 (fold_affine_expr): New function.
3556 (may_eliminate_iv): Use fold_affine_expr.
3558 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3561 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3564 2006-08-16 Mike Stump <mrs@apple.com>
3566 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3567 * doc/cppopts.texi (-MD): Likewise.
3569 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3572 * c-common.c (handle_weak_attribute): Ignore and warn if
3573 not a FUNCTION_ or VAR_DECL.
3575 2006-07-15 Mike Stump <mrs@apple.com>
3578 * c-parser.c (c_parser_typeof_specifier): Don't use
3579 c_finish_expr_stmt, open code desired semantics instead.
3581 2006-08-15 Nick Clifton <nickc@redhat.com>
3583 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3584 fragment to tmake_file only if threads are enabled.
3585 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3586 * config/i386/t-gthr-win32: New file. ... here.
3588 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3591 * c-parser.c (c_parser_compound_statement_nostart): Reset
3592 parser->error after each statement.
3594 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3597 * omp-low.c (lower_omp_parallel): Convert t to
3598 receiver_decl's type.
3599 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3600 source before comparison.
3603 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3604 to itype in assignment to oldival2.
3606 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3610 * c-typeck.c (build_compound_expr): If the second expression
3611 is an error mark, then just return an error mark instead of
3612 creating a COMPOUND_EXPR.
3614 2006-07-14 Mike Stump <mrs@apple.com>
3616 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3618 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3620 * c-decl.c, var-tracking.c: Fix comment typos.
3622 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3624 PR rtl-optimization/28634
3625 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3626 for floating-point modes unless flag_unsafe_math_optimizations.
3628 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3629 Andrew Pinski <pinskia@physics.uc.edu>
3632 * tree.c (build_array_type): Unify array types with
3633 unspecified index_type.
3634 * c-decl.c (grokdeclarator): Make sure we do not modify a
3635 unified incomplete array type.
3636 * c-typeck.c (store_init_value): Create distinct type before
3637 filling in the index type in an initializer from a compound
3640 * c-decl.c (grokdeclarator): Remove code where we copy the
3643 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3645 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3646 into account for TODO_dump_cgraph.
3647 (TODO_update_ssa_no_phi): Likewise.
3648 (TODO_update_ssa_full_phi): Likewise.
3649 (TODO_update_ssa_only_virtuals): Likewise.
3650 (TODO_remove_unused_locals): Likewise.
3651 (TODO_set_props): Likewise.
3652 (TODO_update_stmt_usage): Likewise.
3654 2006-08-13 Dirk Mueller <dmueller@suse.de>
3656 * c-common.c (strict_aliasing_warning): Fix formatting.
3658 2006-08-13 Matthias Klose <doko@debian.org>
3660 * doc/invoke.texi: Fix spelling errors.
3662 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3664 PR rtl-optimization/23454
3665 * reorg.c (relax_delay_slots): Update comment.
3667 2006-08-11 Richard Guenther <rguenther@suse.de>
3670 * simplify-rtx.c (simplify_const_relational_operation):
3671 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3674 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3676 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3677 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3679 2006-08-10 Paul Brook <paul@codesourcery.com>
3681 * final.c (final_scan_insn): Clear current_insn_predicate before
3682 outputting inline asm.
3684 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3686 PR tree-optimization/26197
3687 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3688 get_ref_base_and_extent and overlap_subvar to add only relevant
3689 subvars as may-aliases.
3690 (add_may_alias_for_new_tag): New function, factored out of
3692 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3693 with additional argument.
3694 * tree-flow.h (new_type_alias): Takes additional argument.
3696 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3698 * gcov.c (no_data_file): New flag.
3699 (read_count_file): Set it if data file not present. Assume counts
3701 (output_lines): Don't name the data file, if there wasn't one.
3703 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3705 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3706 (rs6000_generate_compare): Tweak comments.
3707 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3709 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3711 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3712 (var_debug_decl): New function.
3713 (var_reg_set): Follow debug decl link. Add location even if
3714 reg is already known to hold some other variable.
3715 (var_mem_set): Follow debug decl link.
3716 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3717 decl link. Delete other known locations of the variable part
3719 (var_reg_delete, var_mem_delete): Delete other known locations
3720 of the variable part if requested.
3721 (same_variable_part_p): New function.
3722 (add_stores): Select MO_COPY when appropriate.
3723 (vt_initialize): Handle it.
3724 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3725 known locations for MO_SET and MO_CLOBBER.
3726 (find_variable_location_part): New function.
3727 (set_variable_part, delete_variable_part): Use it.
3728 (clobber_variable_part): New function.
3729 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3732 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3734 PR tree-optimization/26969
3735 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3736 with an empty list of PHIs.
3738 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3742 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3745 2006-08-06 Andreas Schwab <schwab@suse.de>
3747 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3748 string. Whitespace and comment fixup.
3750 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3753 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3757 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3760 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3762 2006-08-04 Jan Hubicka <jh@suse.cz>
3766 * reload.c (push_reload): Patch out the mismatching instruction;
3768 (find_reload): Bail out if the instruction was patched out.
3770 2006-08-04 Jan Hubicka <jh@suse.cz>
3772 PR tree-optimization/24888
3773 * tree-inline.c (expand_call_inline): Do not re-record variables.
3774 (declare_inline_vars): Add variable to unexpanded_var_list.
3776 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3777 Roger Sayle <roger@eyesopen.com>
3779 PR rtl-optimization/26244
3780 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3781 inner_const are negative or greater than or equal to the bitsize of
3782 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3783 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3784 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3785 CONST0_RTX (mode) when the new shift count is greater than or equal to
3786 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3789 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3791 * tree-cfg.c: Fix a comment typo.
3793 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3796 * varasm.c (output_constant): Give the front end another chance to
3797 expand constants, after stripping NOPs.
3799 2006-08-03 Jan Hubicka <jh@suse.cz>
3801 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3804 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3806 PR tree-optimization/27770
3807 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3808 declaration removed (moved to tree-flow.h).
3809 (vect_can_force_dr_alignment_p): Likewise.
3810 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3811 (moved from tree-vectorizer.h).
3812 (vect_can_force_dr_alignment_p): Likewise.
3813 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3814 from outside the vectorizer - in particular from cgraph stage.
3815 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3816 the alignment of global arrays when -fsection-anchors is enabled.
3817 * cgraphunit.c (cgraph_increase_alignment): New function.
3818 (cgraph_optimize): Call cgraph_increase_alignment.
3820 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3823 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3824 not reload a SPE symbol_ref into a lo_sum address.
3826 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3829 * dwarf2out.c (prune_unused_types_prune): Move call to
3830 prune_unused_types_update_strings to cover the parent DIE also.
3832 2006-08-02 Jan Hubicka <jh@suse.cz>
3834 PR gcov/profile/28480
3835 * tree-cfg.c (change_bb_for_stmt): New function.
3836 (tree_merge_blocks, tree_split_blocks): Use it.
3838 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3844 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3845 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3846 (cgraph_optimize): Likewise.
3848 2006-08-01 Stuart Hastings <stuart@apple.com>
3850 * rtl.h (UINTVAL) New.
3851 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3852 * testsuite/gcc.dg/20060801-1.c: New.
3854 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3857 * c-typeck.c (build_external_type): Mark used enum types.
3858 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3860 (gen_subprogram_die): Whitespace fix.
3862 2006-08-01 Jan Hubicka <jh@suse.cz>
3864 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3865 bitmap when not needed.
3866 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3869 2006-08-01 Dirk Mueller <dmueller@suse.de>
3871 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3873 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3875 * Makefile.in: Revert part of previous patch:
3876 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3879 2006-07-30 Eric Christopher <echristo@apple.com>
3882 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3883 (PowerPC Variable Attributes): New section.
3885 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3887 PR target/28126 (partial fix)
3888 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3890 2006-07-28 Jan Hubicka <jh@suse.cz>
3892 PR rtl-optimization/28071
3893 * cfgrtl.c (rtl_delete_block): Free regsets.
3894 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3896 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3898 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3899 and variables used in dependencies.
3901 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3903 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3904 %fs for -mcmodel=kernel.
3905 (stack_tls_protect_test_di): Likewise.
3907 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3909 * Makefile.in: Use mkinstalldirs.
3911 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3914 * opts-common.c (prune_options): Skip joined switches.
3916 2006-07-27 Jan Hubicka <jh@suse.cz>
3918 PR rtl-optimization/28071
3919 * cselib.c (cselib_process_insn): Don't remove useless values too
3920 often for very large hashtables.
3922 2006-07-27 Jan Hubicka <jh@suse.cz>
3924 PR rtl-optimization/28071
3925 * global.c (greg_obstack): New obstack.
3926 (allocate_bb_info): Use it.
3927 (free_bb_info): Likewise.
3928 (modify_reg_pav): Likewise.
3930 2006-07-27 Roger Sayle <roger@eyesopen.com>
3932 * builtins.c (fold_fixed_mathfn): When long and long long are the
3933 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3934 functions to their lceil*, lfloor*, lround* and lrint* forms.
3936 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3939 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3941 (rev_branch_insn): Likewise.
3943 2006-07-27 Jan Hubicka <jh@suse.cz>
3945 PR rtl-optimization/28071
3946 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3947 (reg_set_in_bb, max_reg_computed): New static variables.
3948 (regmove_optimize): Free the new array.
3949 (fixup_match_1): Update call of reg_is_remote_constant_p.
3951 2006-07-26 Jan Hubicka <jh@suse.cz>
3953 PR tree-optimization/27882
3954 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3956 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3958 (cgraph_analyze_compilation_unit): Likewise.
3959 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3960 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3961 (cgraph_early_inlinine): Make order garbage collected.
3962 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3964 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3966 * dbxout.c (output_types_sort): Add a comment.
3967 (output_used_types): Free the VEC.
3969 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3971 * function.c (reorder_fix_fragments): Delete.
3972 (reorder_blocks): Don't call it.
3973 (reorder_blocks_1): Put all subblocks under the origin block.
3975 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3977 PR rtl-optimization/27907
3978 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3981 2006-07-25 Roger Sayle <roger@eyesopen.com>
3984 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3985 bar(x) check that bar's result type can represent all the values of T.
3987 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3989 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3991 2006-07-25 Nick Clifton <nickc@redhat.com>
3993 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3994 size_lookup[] array.
3995 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3996 (ggc_pch_count_object): Likewise.
3997 (ggc_pch_alloc_object): Likewise.
3998 (ggc_pch_write_object): Likewise.
3999 (init_ggc): Do not attempt to initialize entries in the
4000 size_lookup[] array for objects whose size is greater than than
4001 the length of the array.
4003 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4005 * dbxout.c (output_used_types_helper): Push queued types
4007 (output_types_sort): New.
4008 (output_used_types): Collect used types on a VEC and sort them
4011 2006-07-24 Richard Guenther <rguenther@suse.de>
4014 * cgraph.c (cgraph_remove_node): Do not check if dumps
4016 * cgraphunit.c (cgraph_optimize): Likewise.
4018 2006-07-24 Jan Hubicka <jh@suse.cz>
4020 PR rtl-optimization/28071
4021 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4022 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4023 splitting before first stmt.
4025 2006-07-24 Jan Hubicka <jh@suse.cz>
4027 PR rtl-optimization/28071
4028 * ipa-inline.c (update_caller_keys): Remove edges that
4029 are no longer inline candidates.
4031 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4034 * dbxout.c (output_used_types_helper, output_used_types): New.
4035 (dbxout_symbol): Call output_used_types.
4037 2006-07-23 Jan Hubicka <jh@suse.cz>
4041 * cgraph.c (cgraph_varpool_nodes): Export.
4042 (decide_is_variable_needed): Ignored "used" attribute in
4043 unit-at-a-time mode.
4044 * cgraph.h (cgraph_varpool_nodes): Declare.
4045 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4046 unit-at-a-time mode.
4048 2006-07-23 Roger Sayle <roger@eyesopen.com>
4051 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4052 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4053 the __gthrw form of thr_keycreate.
4054 (__gthread_key_delete): Silence the unused argument warning.
4056 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4059 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4060 Cache the last found '\0' marker to avoid quadratic behavior.
4062 2006-07-23 Jan Hubicka <jh@suse.cz>
4064 * i386.md (subsi_3_zext): Fix output template.
4066 2006-07-21 Mike Stump <mrs@apple.com>
4068 * doc/invoke.texi (C++ Dialect Options): Note that
4069 -fvisibility-inlines-hidden doesn't affect explicitly
4070 instantiationed inline methods.
4072 2006-07-20 Roger Sayle <roger@eyesopen.com>
4074 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4075 if the target assembler is GNU binutils' gas.
4076 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4077 whether to pass GNU gas or native as command line options.
4079 2006-07-20 Jason Merrill <jason@redhat.com>
4081 * tree.c (remove_attribute): New fn.
4082 * tree.h: Declare it.
4084 2006-07-20 Paul Brook <paul@codesourcery.com>
4087 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4088 they are invalidated by this instruction.
4090 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4093 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4095 2006-07-20 Eric Christopher <echristo@apple.com>
4098 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4100 2006-07-19 Eric Christopher <echristo@apple.com>
4102 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4103 Rewrite dependencies for libgcc_s.1.dylib.
4105 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4107 * except.c (duplicate_eh_regions_1): Clear next_peer.
4109 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4111 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4112 -mlongcall does not guarantee all calls will be long.
4113 * doc/extend.texi (long_call/short_call): Document that longcall
4114 does not guarantee a long call will be used.
4115 (longcall/shortcall): Likewise.
4117 2006-07-18 Roger Sayle <roger@eyesopen.com>
4120 * expmed.c (expand_shift): Additionally check that the shift_cost
4121 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4122 before implementing a LSHIFT_EXPR as a sequence of additions.
4123 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4124 middle-end that DImode shifts need to be synthesized by expand.
4126 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4129 * tree-ssa-operands.c (access_can_touch_variable): Update
4131 Return true if ALIAS is .GLOBAL_VAR.
4133 2006-07-18 David Daney <ddaney@avtrex.com>
4135 * gcc.c (display_help): Fix typo in help text.
4137 2006-07-18 Olivier Hainque <hainque@adacore.com>
4139 * tree.h (categorize_ctor_elements): Adjust prototype and add
4140 descriptive comment, both in accordance with the interface change
4142 * varasm.c (constructor_static_from_elts_p): New function.
4143 Whether a constructor node is a valid static constant initializer
4144 if all its elements are.
4145 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4146 * output.h: Declare it.
4147 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4148 is a valid constant initializer instead of computing the number of
4149 non-constant elements. Use constructor_static_from_elts_p for this
4150 purpose. Replace the head comment with an indication that this is a
4151 helper for categorize_ctor_elements.
4152 (categorize_ctor_elements): Same interface change as for the _1
4153 helper. Former head comment from this helper moved here, adjusted to
4154 account for the interface changes.
4155 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4156 (all_zeros_p): Likewise.
4157 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4158 static versions of the constructor from the categorize_ctor_elements
4159 return value instead of the formerly computed number of non-constant
4162 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4164 * configure: Regenerate.
4165 * Makefile.in (build_libsubdir): New configure substitution
4166 (build_libobjdir): New variable.
4167 (BUILD_LIBIBERTY): Use it.
4169 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4172 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4174 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4177 * c-common.c (handle_weakref_attribute): Ignore attribute in
4178 the same conditions the alias attribute is ignored.
4180 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4182 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4183 (dbxout_begin_prologue): Increment scope_labelno.
4185 2006-07-17 Richard Henderson <rth@redhat.com>
4188 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4191 2006-07-17 Roger Sayle <roger@eyesopen.com>
4192 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4194 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4195 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4196 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4197 functions such as sbrk, write, etc.. Add function prototypes.
4198 Convert function declarations from K&R to ISO C. Cast pointers
4199 to "long" and "unsigned long" instead of "int" and "unsigned int".
4200 Convert tokens following #endif into comments.
4202 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4204 * invoke.texi: Remove mention of f77; Reformat table for
4205 inline parameter options correctly; mention that -malign-double
4206 is default on x86-64 targets.
4208 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4210 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4211 (convert_affine_scev, chrec_convert_aggressive): Use
4212 avoid_arithmetics_in_type_p. Do not check for the subtypes
4215 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4218 * optabs.c (expand_doubleword_shift): Wrap the call to
4219 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4221 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4224 * optabs.c (expand_binop): Pass next_methods rather than methods
4225 to expand_doubleword_shift.
4227 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4230 * tree.h (dump_addr): Declare.
4231 * print-tree.c (dump_addr): New function.
4232 (print_node_brief, print_node): Use it.
4233 * print-rtl.c (print_rtx): Likewise.
4234 * common.opt (-fdump-noaddr): New option.
4235 * doc/invoke.texi (-fdump-noaddr): Document.
4236 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4237 (ve_info_hash): Likewise.
4239 2006-07-13 Andrew Haley <aph@redhat.com>
4241 PR tree-optimization/19505
4242 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4243 edge leaving this block, make sure that the destination of this
4244 block has only one predecessor.
4246 2006-07-17 Richard Guenther <rguenther@suse.de>
4248 PR tree-optimization/28238
4249 * tree-inline.c (copy_bb): Check if we produced valid
4250 gimple copying and substituting a stmt. If not, gimplify
4253 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4255 * optabs.c (maybe_encapsulate_block): New function extracted from...
4256 (emit_libcall_block): ...here. Invoke it on the block of insns to
4257 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4258 (emit_no_conflict_block): Likewise.
4260 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4262 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4264 2006-07-15 Roger Sayle <roger@eyesopen.com>
4266 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4267 a new NOP_EXPR case of the switch statement.
4269 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4272 * stor-layout.c (place_field): Take the bit field with
4273 an excessive size into account in the ms-bitfiled case.
4276 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4277 the previous bit field.
4279 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4282 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4284 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4286 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4287 signal frames correctly even when the signal was installed with
4290 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4292 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4293 (dbxout_function_end): Use local label LFBB. Remove hook
4295 (dbxout_source_line): Use local label LFBB.
4296 (dbxout_block): Likewise.
4297 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4298 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4299 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4300 and DBX_OUTPUT_NFUN.
4302 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4304 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4306 2006-07-13 Jan Hubicka <jh@suse.cz>
4308 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4310 * output.h (align_variable): Declare.
4311 * varasm.c (align_variable): Export.
4312 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4313 when basic block changed.
4315 2006-07-13 Nick Clifton <nickc@redhat.com>
4317 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4318 walking the LOG_LINKS chain.
4320 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4322 * doc/invoke.texi (C++ Dialect Options): Explain difference
4323 between -fvisibility-inlines-hidden and setting hidden
4324 visibility explicitly.
4326 2006-07-12 Eric Christopher <echristo@apple.com>
4328 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4329 (stmp-lipo): Depend on libgcc.a.
4331 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4333 * tree.c: Fix a comment typo.
4335 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4337 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4339 (umulhisi3_r): Likewise.
4341 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4344 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4345 x < 19, vs wchar_t support.
4347 2006-07-12 Nick Clifton <nickc@redhat.com>
4349 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4350 instead of -isa=sh4.
4352 2006-07-12 Mike Stump <mrs@apple.com>
4354 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4356 2006-07-10 Eric Christopher <echristo@apple.com>
4358 * config/t-slibgcc-darwin: Rewrite.
4360 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4363 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4366 2006-07-08 Matthias Klose <doko@debian.org>
4368 * doc/sourcebuild.texi: Fix typo.
4370 2006-07-07 Mike Stump <mrs@apple.com>
4372 * toplev.c (process_options): Don't give -ffunction-sections may
4373 affect debugging warning for Mach-O.
4375 2006-07-07 James E Wilson <wilson@specifix.com>
4377 * config/mips/mips.md (cpu): Add sb1a.
4378 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4379 addition to sb1. Adjust comments to clarify SB-1A differences from
4381 (ir_sb1a_load): New. Modify bypasses to use it.
4382 (ir_sb1a_simple_alu): Likewise.
4383 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4384 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4385 (mips_issue_rate): Add PROCESSOR_SB1A.
4386 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4387 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4388 (TARGET_SB1): Add PROCESSOR_SB1A check.
4389 (TUNE_SB1): Likewise.
4391 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4392 * config/mips/mips.c (mips_store_data_bypass_p): New.
4393 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4394 store_data_bypass_p.
4396 2006-07-08 Paul Brook <paul@codesourcery.com>
4399 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4401 2006-07-07 Richard Guenther <rguenther@suse.de>
4404 * tree.h (build_one_cst): Declare.
4405 * tree.c (build_one_cst): New function.
4406 * tree-ssa-math-opts.c (get_constant_one): Remove.
4407 (insert_reciprocals): Use build_one_cst.
4408 * fold-const.c (fold_plusminus_mult): Likewise.
4410 2006-07-07 Roger Sayle <roger@eyesopen.com>
4412 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4413 * cfgloopanal.c (dump_graph): Likewise.
4414 * dojump.c (discard_pending_stack_adjust): Likewise.
4415 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4417 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4418 * function.c (finalize_block_changes): Likewise.
4419 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4420 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4421 * rtl.c (dump_rtx_statistics): Likewise.
4422 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4424 * varray.c (dump_varray_statistics): Likewise.
4425 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4426 decode_decimal64, encode_decimal128, decode_decimal128,
4427 decimal_real_to_decimal): Likewise.
4429 2006-07-07 Richard Guenther <rguenther@suse.de>
4431 PR tree-optimization/28187
4432 * tree-vrp.c (vrp_operand_equal_p): New function.
4433 (vrp_bitmap_equal_p): Likewise.
4434 (update_value_range): Use them to compare old and new
4437 2006-07-06 Roger Sayle <roger@eyesopen.com>
4439 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4440 a default case to switch statement to silence compiler warnings.
4442 2006-07-06 Roger Sayle <roger@eyesopen.com>
4445 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4446 the configured assembler supports the x87's ffreep mnemonic.
4447 * configure: Regenerate.
4448 * config.in: Regenerate.
4450 * config/i386/i386.c (output_387_ffreep): New function.
4451 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4452 (output_387_reg_move): Likewise.
4454 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4456 Port to hosts whose 'sort' and 'tail' implementations
4457 treat operands with leading '+' as file names, as POSIX
4458 has required since 2001. However, make sure the code still
4459 works on pre-POSIX hosts.
4460 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4461 which says you should use "tail -c +N" rather than "tail +Nc".
4462 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4464 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4466 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4469 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4472 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4473 PRE_{INC,DEC} of TFmode.
4475 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4476 Alan Modra <amodra@bigpond.net.au>
4479 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4482 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4485 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4486 Remove duplicate gtu.
4488 2006-07-05 Jason Merrill <jason@redhat.com>
4492 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4493 * c-common.c (handle_packed_attribute): So don't copy it here.
4494 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4496 2006-07-05 Mike Stump <mrs@apple.com>
4498 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4500 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4503 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4505 2006-07-05 Richard Guenther <rguenther@suse.de>
4508 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4509 TARGET_SSE2 targets if using SSE math.
4510 (*absdf2_1): Likewise.
4512 2006-07-05 Richard Guenther <rguenther@suse.de>
4514 PR tree-optimization/28162
4515 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4516 make sure to convert the operands to the correct type.
4518 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4520 PR tree-optimization/28218
4522 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4523 to calculate and free the dominator information.
4525 2006-07-04 Peter O'Gorman <peter@pogma.com>
4527 * mklibgcc.in: chmod 644 before ranlib during install.
4529 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4530 J"orn Rennecke <joern.rennecke@st.com>
4532 * configure.ac (.eh_frame data check): Use diff -b.
4534 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4537 * Makefile.in (BUILD_RTL): Add build/vec.o.
4538 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4539 (build/genextract): Delete.
4540 (build/genautomata): Likewise.
4542 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4545 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4546 128-bit IBM long doubles for ABI_V4.
4548 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4550 * tree.c (range_in_array_bounds_p): New predicate.
4551 * tree.h (range_in_array_bounds_p): Declare it.
4552 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4553 return a less conservative answer.
4554 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4555 and flag 'is_group'.
4556 (IS_ELEMENT_FOR_GROUP): New macro.
4557 (FOR_EACH_ACTUAL_CHILD): Likewise.
4558 (next_child_for_group): New helper function.
4559 (can_completely_scalarize_p): Take into account groups.
4560 (sra_hash_tree): Handle RANGE_EXPR.
4561 (sra_elt_eq): Likewise.
4562 (lookup_element): Be prepared for handling groups.
4563 (is_valid_const_index): Delete.
4564 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4565 instead of is_valid_const_index.
4566 <ARRAY_RANGE_REF>: New case.
4567 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4568 is_valid_const_index.
4569 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4570 (scan_dump): Dump info for groups too.
4571 (decide_instantiation_1): Likewise.
4572 (decide_block_copy): Assert that the element is not a group.
4573 Propagate decision to groups.
4574 (generate_one_element_ref): Handle RANGE_EXPR.
4575 (mark_no_warning): Iterate over actual childs.
4576 (generate_copy_inout): Likewise.
4577 (generate_element_copy): Likewise.
4578 (generate_element_zero): Likewise.
4579 (generate_element_init_1): Likewise.
4580 (dump_sra_elt_name): Handle RANGE_EXPR.
4582 2006-07-03 Roger Sayle <roger@eyesopen.com>
4584 PR tree-optimization/26251
4585 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4586 (thread_block): When optimizing for size refuse to thread jumps
4587 that would require duplication of blocks other than redirection
4590 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4592 * configure.ac: Fix thinko in previous check-in.
4593 * configure: Regenerate.
4595 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4598 * configure.ac (for lang...): Simplify nesting of conditionals.
4599 Test subdir_requires for non-enabled languages. Move processing
4600 of lang_opt_files and lang_tree_fiels below that test.
4601 * configure: Regenerate.
4602 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4604 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4606 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4608 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4610 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4613 2006-06-29 Jason Merrill <jason@redhat.com>
4620 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4621 * c-common.c (c_determine_visibility): Handle it here.
4622 * c-decl.c (finish_decl): Call c_determine_visibility for
4624 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4626 * varasm.c (default_assemble_visibility): Likewise.
4627 * c-common.c (handle_visibility_attribute): Complain about trying
4628 to give visibility to an already defined class, or trying to change
4629 declared visibility. Always attach the attribute.
4634 * attribs.c (decl_attributes): Ignore type-in-place attributes
4635 once the type has been defined.
4637 2006-06-29 Roger Sayle <roger@eyesopen.com>
4640 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4641 to indicate the cpplib has issued an error message for us.
4643 2006-06-29 Asher Langton <langton2@llnl.gov>
4646 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4647 insert a label at the end of an function under Mach-O.
4649 2006-06-29 Eric Christopher <echristo@apple.com>
4650 Evan Cheng <evan.cheng@apple.com>
4652 * predicates.md (vector_all_ones_operand): New.
4653 (nonimmediate_or_sse_const_operand): Ditto.
4654 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4655 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4656 (standard_sse_mode_p): Ditto.
4657 (standard_sse_constant_p): Add case for -1 vector.
4658 (ix86_expand_vector_move): Try to use.
4659 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4660 Call standard_sse_constant_opcode.
4661 (*movv4sf_internal): Ditto.
4662 (*movv2df_internal): Ditto.
4664 2006-06-29 Roger Sayle <roger@eyesopen.com>
4666 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4667 of XEXP to extract the operands of a MATCH_CODE rtx.
4669 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4671 * tree.c (tree_size): Do not waste tail padding in
4672 struct tree_string and make the size be the same as
4673 build_string will generate.
4675 2006-06-28 Jason Merrill <jason@redhat.com>
4678 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4679 may_aliases already in the tag's annotations to the bitmap.
4681 2006-06-28 Roger Sayle <roger@eyesopen.com>
4683 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4685 2006-06-28 Roger Sayle <roger@eyesopen.com>
4687 * genpreds.c (generate_switch_p): New function.
4688 (add_mode_tests): Push the new mode test down inside an AND expr
4689 if this allows the switch-suitable MATCH_CODE to be near the root.
4690 (write_match_code_switch): New function to write a MATCH_CODE as
4692 (write_predicate_stmts): New function to write a predicate RTX
4693 expression as a sequence of statements.
4694 (write_one_predicate_function): Use write_predicate_stmts.
4695 (write_tm_constrs_h): Likewise.
4697 2006-06-26 Fred Fish <fnf@specifix.com>
4699 * config/mips/t-sb1: New file.
4700 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4703 2006-06-26 DJ Delorie <dj@redhat.com>
4705 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4707 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4708 Jayant Sonar <jayants@kpitcummins.com>
4709 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4711 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4712 (subsi3, subsi3_1, subsi3_2): New.
4713 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4714 * config/m32c/mov.md (SI mov peephole): New.
4715 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4716 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4718 2006-06-26 Olivier Hainque <hainque@adacore.com>
4720 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4721 a CALL_EXPR target function declaration.
4723 2006-06-26 Richard Guenther <rguenther@suse.de>
4725 * tree.c (build_string): Do not waste tail padding in
4728 2006-06-26 Richard Guenther <rguenther@suse.de>
4730 * ggc-page.c (init_ggc): Add missing element to size_lookup
4734 2006-06-23 Richard Guenther <rguenther@suse.de>
4736 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4737 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4738 alignment requests instead. Add verification code.
4739 Add struct tree_function_decl and struct tree_binfo size to
4740 extra_order_size_table. Add missing element to size_lookup
4743 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4746 * fold-const.c (const_binop): Be prepared for self returning zero.
4747 Simplify code handling complex values.
4749 2006-06-24 Olivier Hainque <hainque@adacore.com>
4751 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4752 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4755 2006-06-24 Olivier Hainque <hainque@adacore.com>
4757 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4758 ARRAY_REF, so have the callback called for the low bound expression.
4760 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4762 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4763 * c-typeck.c (c_common_type): Disallow operations on decimal float
4764 types and other float types.
4765 * convert.c (convert_to_real): Don't ignore conversions involving
4766 decimal float types.
4768 2006-06-23 Olivier Hainque <hainque@adacore.com>
4770 * tree.c (max_int_size_in_bytes): New function, inspired from
4771 code in function.c:assign_temp.
4772 * tree.h (max_int_size_in_bytes): Declare.
4773 * function.c (assign_temp): Use it.
4774 * gimplify.c (create_tmp_var): Relax the assertions on the type
4775 properties, not mandating constant size any more.
4776 (force_constant_size): New static function.
4777 (gimple_add_tmp_var): Use it, forcing variable size to a
4778 constant upper bound if it is not constant on entry.
4780 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4783 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4784 for initialization and setting of one_only flag to ...
4785 (i386_pe_encode_section_info): ...here.
4786 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4787 Recheck that the symbol has not been defined.
4789 2006-06-23 Richard Guenther <rguenther@suse.de>
4791 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4792 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4793 alignment requests instead. Add verification code.
4794 Add struct tree_function_decl and struct tree_binfo size to
4795 extra_order_size_table. Add missing element to size_lookup
4798 2006-06-22 Roger Sayle <roger@eyesopen.com>
4799 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4802 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4803 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4805 2006-06-23 Ben Elliston <bje@au.ibm.com>
4807 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4808 negate dn -- manipulate it directly.
4810 2006-06-22 Roger Sayle <roger@eyesopen.com>
4811 Steven Bosscher <stevenb.gcc@gmail.com>
4814 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4815 generated by gen_move_insn to add REG_LABEL notes if necessary.
4817 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4819 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4820 (leaf_entry): Remove use of MIN_ESA.
4822 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4824 PR rtl-optimization/28121
4825 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4828 2006-06-21 DJ Delorie <dj@redhat.com>
4830 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4832 (mulhisi3_r): Likewise.
4834 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4837 * coverage.c (coverage_counter_alloc): Leave the index type
4839 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4842 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4844 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4845 section from the "Options for Code Generation Conventions".
4847 2006-06-21 Richard Henderson <rth@redhat.com>
4851 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4853 (global_symbolic_operand): Allow weak symbols, even if local_p.
4855 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4857 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4858 (find_interesting_uses_address): Punt if above function returns true.
4860 2006-06-21 Richard Guenther <rguenther@suse.de>
4862 * configure: Regenerated.
4864 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4866 * config/mips/mips.c (function_arg): Where one part of a
4867 complex argument is in registers and the other part in the stack,
4868 return a REG not a PARALLEL.
4870 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4872 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4873 when cross-compiling. Do not substitute libstdcxx_incdir.
4874 * configure: Regenerated.
4876 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4878 * varasm.c (mergeable_string_section): Check for embedded NULs and
4879 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4880 rather than TREE_STRING_LENGTH bytes.
4882 2006-06-21 Richard Guenther <rguenther@suse.de>
4884 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4885 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4888 2006-06-21 Richrad Guenther <rguenther@suse.de>
4890 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4891 Limit iteration over the dominators.
4893 2006-06-20 Roger Sayle <roger@eyesopen.com>
4895 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4896 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4898 2006-06-20 Richard Guenther <rguenther@suse.de>
4899 Michael Matz <matz@suse.de>
4901 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4903 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4904 * et-forest.h (et_free_pools): Prototype new function.
4905 * et-forest.c (et_free_tree_force): Free parent occurrence.
4906 (et_free_pools): New function.
4907 * dominance.c (free_dominance_info): Free et-forest alloc
4910 2006-06-20 Roger Sayle <roger@eyesopen.com>
4912 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4913 integer modes, attempt to directly construct an integer constant.
4915 * fold-const.c (native_encode_vector): Determine the size of each
4916 element from the vector type instead of the first vector element.
4918 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4919 if all of its elements/components are constant.
4920 (build_constructor_from_list): Likewise.
4922 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4924 PR tree-optimization/27331
4925 * tree-data-ref.c (free_data_ref): New function.
4926 (create_data_ref): Fail if the data reference has unknown access
4928 (free_data_refs): Use free_data_ref.
4930 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4933 * tree-inline.c (setup_one_parameter): Strip useless
4934 type conversion before adding it to the IR.
4935 (declare_return_variable): Likewise.
4937 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4940 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4942 2006-06-19 Mike Stump <mrs@apple.com>
4944 * tree.c (variably_modified_type_p): VM arguments don't make the
4947 2006-06-19 Richard Guenther <rguenther@suse.de>
4949 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4950 type conversions after folding.
4952 2006-06-19 Richard Guenther <rguenther@suse.de>
4954 * ggc-page.c (extra_order_size_tab): Add entries with
4955 size of struct function and basic_block.
4956 (size_lookup): Extend to cover sizes up to 511.
4957 (ggc_alloc_stat): Adjust user.
4958 (ggc_pch_count_object): Likewise.
4959 (ggc_pch_alloc_object): Likewise.
4960 (ggc_pch_write_object): Likewise.
4962 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4964 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4965 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4968 2006-06-19 Denis Chertykov <denisc@overta.ru>
4970 * config/avr/libgcc.S : Correct my wrong previous commit.
4972 2006-06-19 Roger Sayle <roger@eyesopen.com>
4975 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4976 have stripped a SUBREG from the shift count, so we may need to
4977 convert_to_mode back to the type's mode before calling make_tree.
4978 Use new_amount instead of amount to avoid expanding a tree twice.
4980 2006-06-19 Richard Guenther <rguenther@suse.de>
4983 * fold-const.c (operand_equal_p): Check if the argument types
4984 have the same precision before stripping NOPs.
4986 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4988 Fix PR tree-optimization/27341
4989 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4991 * tree-complex.c (pass_lower_complex): Update SMT usage.
4993 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4995 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4996 Add a new alternative to the constraint strings. Add move of
4997 operand 1 to 3 to the splitter definition.
4998 ("doloop_si_long"): Second contraint alternative removed.
5000 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5002 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5003 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5005 (AVR_HAVE_MOVW) Define.
5006 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5007 (ASM_SPEC): Add avr25.
5008 (LINK_SPEC): Add avr25.
5009 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5010 (base_arch_s): Add new member 'have_movw_lpmx'.
5011 (avr_arch_types): Init 'have_movw_lpmx'.
5012 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5013 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5014 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5015 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5016 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5018 (avr_file_start): Do not output '.arh' derective.
5019 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5020 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5021 * config/avr/avr.md (mcu_enhanced): Delete.
5022 (mcu_have_movw): Define.
5023 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5024 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5025 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5026 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5027 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5028 attiny861 and at86rf401 devices.
5030 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5032 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5035 2006-06-17 Karl Berry <karl@gnu.org>
5037 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5038 doc/gccint.texi, doc/install.texi (@dircategory): Use
5039 "Software development" instead of "Programming", following
5040 the Free Software Directory.
5042 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5044 * config/i386/i386.c (legitimate_tls_address)
5045 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5046 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5047 (*tls_dynamic_gnu2_combine_64): Likewise.
5049 2006-06-16 Richard Guenther <rguenther@suse.de>
5052 * fold-const.c (negate_expr_p): Do not introduce undefined
5053 overflow in negating INTEGER_CSTs.
5054 (fold_negate_expr): Rename from negate_expr. Revert last
5055 change for folding BIT_NOT_EXPR. Change semantics to
5056 return NULL_TREE for non-simplified negations. Do not
5057 strip type conversions and unify type handling.
5058 (negate_expr): New function, wrap around fold_negate_expr
5059 but ensure building a tree always. Strip type conversions
5060 here, fold to result type.
5061 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5063 2006-06-16 Roger Sayle <roger@eyesopen.com>
5066 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5067 that (would) return their results in stack registers.
5069 2006-06-16 Michael Matz <matz@suse.de>
5070 Richard Guenther <rguenther@suse.de>
5072 * fold-const.c (fold_truthop): Only return new tree node if
5073 we canonicalized something.
5075 2006-06-16 Richard Guenther <rguenther@suse.de>
5077 * function.h (enum function_frequency): Move declaration
5078 out of struct function.
5079 (struct function): Move bool fields and the enum to the bitfield
5080 section. Reorder elements to avoid padding. Remove unused
5081 fields left over from the RTL inliner removal.
5082 * function.c (free_after_compilation): Do not zero removed fields.
5083 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5084 (ipa-type-escape.o): Likewise.
5086 2006-06-16 Richard Guenther <rguenther@suse.de>
5088 * cgraph.h (struct cgraph_local_info): Turn bool elements
5090 (struct cgraph_node): Likewise.
5091 (struct cgraph_varpool_node): Likewise.
5093 2006-06-15 Richard Guenther <rguenther@suse.de>
5095 * fold-const.c (fold_truth_not_expr): Rename from
5096 invert_truthvalue. Give it fold_* semantics to avoid
5098 (invert_truthvalue): New function. Wrapper around
5099 fold_truth_not_expr.
5100 (optimize_minmax_comparison): Avoid creating garbage.
5101 (fold_unary): Use fold_truth_not_expr for folding
5103 (fold_ternary): Replace uses of invert_truthvalue with
5104 fold_truth_not_expr where applicable.
5105 * tree.h (fold_truth_not_expr): Prototype.
5107 2006-06-16 Richard Guenther <rguenther@suse.de>
5109 PR tree-optimization/27781
5110 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5111 * ipa-pure-const.c (target.h): Include.
5112 (analyze_function): Do not analyze functions that do not
5115 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5118 * tree-dfa.c (referenced_vars_dup_list): Remove.
5119 (find_referenced_vars): Remove assert.
5120 (referenced_var_check_and_insert): Replace dup list with assert.
5121 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5122 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5124 2006-06-15 Richard Guenther <rguenther@suse.de>
5126 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5127 extra unused identifiers if not dumping.
5128 (create_variable_info_for): Likewise.
5130 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5132 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5133 (derive_constant_upper_bound): Derive more precise upper bound in
5134 common cases. Return type changed to double_int.
5135 (record_estimate): Reflect the changed return type of
5136 derive_constant_upper_bound.
5137 * double-int.c (double_int_zext, double_int_sext): Fix.
5139 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5141 * configure.ac (CFLAGS): Get them from the toplevel or from the
5142 configure invocation.
5143 * configure: Regenerate.
5144 * Makefile.in (CFLAGS): Substitute value provided by configure.
5146 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5149 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5150 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5151 rather than calling add_stmt on it.
5152 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5154 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5157 * reload1.c (reload): Remove registers returned by update_eliminables
5158 from used_spill_regs.
5160 2006-06-13 DJ Delorie <dj@redhat.com>
5162 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5164 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5166 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5167 html__strip_dir, html__mkdir_p. Enhance install-html target.
5168 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5169 * configure: Regenerate.
5171 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5173 * fold-const.c (fold_cond_expr_with_comparison): Check for
5174 Objective-C++ as language in deciding COND_EXPR transformation.
5176 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5179 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5180 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5181 * config/sh/lib1funcs.h (SL, SL1): Define.
5182 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5183 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5184 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5185 (OBJS_Os_4_200): New variable.
5186 ($(T)libgcc-Os-4-200.a): Use it.
5187 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5188 when dividing 1 and/or by 0.
5190 2006-06-13 Roger Sayle <roger@eyesopen.com>
5192 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5193 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5194 * configure: Regenerate.
5196 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5198 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5199 for real instruction.
5201 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5204 * haifa-sched.c (check_cfg): Handle special case.
5206 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5209 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5210 Add debug_info parameter. Chain the vars to the BLOCK instead
5211 of the BIND_EXPR if debug info are requested for them.
5212 (pop_gimplify_context): Adjust for above change.
5213 (gimple_add_tmp_var): Likewise.
5214 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5216 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5217 (convert_local_reference): Likewise.
5218 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5219 (finalize_nesting_tree_1): Request that debug info be emitted
5220 for debug_var_chain.
5222 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5224 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5225 for PR target/27863.
5227 2006-06-13 Richard Guenther <rguenther@suse.de>
5230 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5232 2006-06-13 Richard Guenther <rguenther@suse.de>
5234 PR tree-optimization/27830
5235 * tree-inline.c (copy_body_r): For copying the operand
5236 of an ADDR_EXPR make sure to fold &* afterwards.
5238 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5240 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5241 lvalues in the fb_none case with side-effects.
5243 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5245 * tree-flow.h: Remove the prototype for
5246 compute_phi_arg_on_exit.
5247 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5248 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5251 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5253 * builtins.c (expand_builtin_return_addr): Only use
5254 frame_pointer_rtx when count == 0 and we are expanding
5255 __builtin_return_address.
5257 2006-06-12 Fred Fish <fnf@specifix.com>
5259 * config/mips/mips.c (mips_file_start): Create special section
5260 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5262 2006-06-11 Eric Christopher <echristo@apple.com>
5265 * stor-layout.c (place_field): Remove check for
5266 remaining_in_alignment when aligning at the end of a run.
5268 2006-06-11 Eric Christopher <echristo@apple.com>
5271 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5274 2006-06-11 Roger Sayle <roger@eyesopen.com>
5277 Revert incorrect fix for PR target/27158
5278 2006-05-08 Roger Sayle <roger@eyesopen.com>
5279 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5280 of a reg_equiv_constant if the result is a legitimate constant.
5282 2006-06-11 Roger Sayle <roger@eyesopen.com>
5285 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5286 extract a CONST_VECTOR element and interpret it as an integer.
5287 (vspltis_constant): Use const_vector_elt_as_int instead of the
5288 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5289 * config/rs6000/predicates.md (easy_vector_const): Consider
5290 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5292 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5295 * stor-layout.c (update_alignment_for_field): Don't add extra
5296 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5299 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5301 * config/mips/t-rtems: Add EL/EB multilib variants.
5303 2006-06-09 Mike Stump <mrs@apple.com>
5305 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5307 2006-06-09 David Daney <ddaney@avtrex.com>
5309 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5311 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5313 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5315 2006-06-09 Richard Guenther <rguenther@suse.de>
5317 PR tree-optimization/26998
5318 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5319 of signed types, only TYPE_MIN_VALUE is special, but for both,
5320 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5321 in this case, as is -fwrapv.
5323 2006-06-08 Mike Stump <mrs@apple.com>
5326 * config/darwin.c (darwin_asm_output_anchor): Disable
5327 -fsection-anchors on darwin for now.
5328 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5329 * rs6000/rs6000.c (optimization_options): Likewise.
5331 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5334 * config/i386/i386.c (classify_argument): Skip fields with invalid
5337 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5339 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5340 (cse_insn): Likewise for the stack_pointer_rtx.
5342 2006-06-08 Roger Sayle <roger@eyesopen.com>
5344 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5345 conditions from floating point comparisons.
5347 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5350 * expmed.c (struct alg_hash_entry): Fix type of field T
5351 to match synth_mult argument.
5352 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5354 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5357 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5360 2006-06-08 Richard Guenther <rguenther@suse.de>
5363 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5364 only, if overflow is defined and not trapping.
5365 (negate_expr): Likewise.
5367 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5369 PR tree-optimization/27872
5370 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5371 flag on the new exit edge of the unrolled loop.
5373 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5375 PR rtl-optimization/26449
5376 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5378 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5381 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5382 referenced_variables with matching DECL_UID's.
5383 (find_referenced_vars): Make sure duplicate list is empty to start.
5384 (referenced_var_p): Remove.
5385 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5386 Check if var is in the list, and add if needed. Update the duplicate
5387 list if a different var is in the list with the same DECL_UID.
5388 (add_referenced_var): Call routine to check and insert.
5389 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5390 * tree-flow.h (referenced_vars_dup_list): External declaration.
5392 2006-06-07 Fred Fish <fnf@specifix.com>
5394 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5397 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5400 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5401 the imaginary and real parts of a clobbered register.
5402 Emit insn to set the imaginary part.
5404 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5406 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5407 in lieu of unwind-dw2-fde.c.
5409 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5411 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5413 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5416 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5417 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5418 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5419 V4SImode temporaries and operations instead.
5421 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5423 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5426 2006-06-06 Mike Stump <mrs@apple.com>
5428 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5429 installing during build.
5431 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5433 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5435 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5436 * config/ia64/ia64.c (params.h): New header.
5437 (ia64_optimization_options): New function to adjust parameters.
5438 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5439 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5440 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5442 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5444 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5446 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5449 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5451 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5452 Victor Kaplansky <victork@il.ibm.com>
5454 PR tree-optimization/26360
5455 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5458 2006-06-04 Roger Sayle <roger@eyesopen.com>
5459 Andrew Pinski <pinskia@physics.uc.edu>
5462 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5463 for LABEL_DECL before calling DECL_WEAK.
5466 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5467 LABEL_DECL and PARM_DECL.
5469 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5473 * c-decl.c (grokdeclarator): Disallow variably modified types at
5474 file scope. Avoid marking shared array type of constant size as
5477 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5480 * c-common.c (fold_offsetof_1): Handle static members.
5482 2006-06-04 Eric Christopher <echristo@apple.com>
5484 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5485 (debug_rli): Output value for remaining_in_alignment.
5486 (update_alignment_for_field): Unconditionalize
5487 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5488 extra alignment code.
5489 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5490 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5491 * tree.h (record_layout_info_s): Remove prev_packed.
5492 * doc/extend.texi (ms_struct): Add documentation of format.
5494 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5496 * tree.h: Declare folding_initializer.
5497 * builtins.c (fold_builtin_constant_p): Give definite answer
5498 if folding inside an initializer.
5499 * fold-const.c: Define folding_initializer.
5500 (START_FOLD_INIT): Save and then set folding_initializer.
5501 (END_FOLD_INIT): Restore folding_initializer.
5503 2006-06-04 Richard Guenther <rguenther@suse.de>
5505 PR tree-optimization/27039
5506 * fold-const.c (fold_comparison): Handle pointer comparison
5507 again for all comparison codes. Compare offsets in signed
5509 (fold_binary): Move code from here.
5511 2006-06-03 Roger Sayle <roger@eyesopen.com>
5514 * config/i386/i386.c (construct_container): Split static issued_error
5515 flag into issued_sse_arg_error, issued_sse_ret_error and
5516 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5517 requires the use of x87 registers and the user explicitly
5518 specified the -mno-80387 command line option.
5520 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5522 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5523 HAVE_DECL_SIGALTSTACK.
5525 (segv_handler): Use MC_FLD.
5526 * configure.ac: Check for a sigaltstack declaration.
5527 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5528 * configure: Regenerate.
5529 * config.in: Regenerate.
5531 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5534 * Makefile.in (stmp-fixinc): Fix typo.
5536 2006-06-02 Roger Sayle <roger@eyesopen.com>
5538 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5539 are type correct. Clean-up.
5540 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5541 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5543 2006-06-01 DJ Delorie <dj@redhat.com>
5545 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5546 shift, as we've disabled the "switch" insn that needs it.
5548 2006-06-01 Per Bothner <bothner@bothner.com>
5550 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5551 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5552 * c-ppoutput.c (cb_define): Don't increment line 0.
5554 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5556 * doc/invoke.texi: Add cpu_type power6.
5557 * config.gcc: Add cpu_type power6.
5558 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5559 to power5+ with Altivec.
5560 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5561 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5563 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5565 * config/avr/avr.h (SET_ASM_OP): Define.
5567 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5569 * config/bfin/bfin.c: Fix comment typos.
5571 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5574 * doc/install.texi: Document --enable-bootstrap and
5575 --disable-bootstrap.
5577 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5579 * doc/install.texi: Document that InfoZIP can replace jar.
5581 2006-05-31 Roger Sayle <roger@eyesopen.com>
5583 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5584 isn't available, directly generate the simpler x87 patterns without
5585 the (use (const_int 0)).
5586 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5587 implementation isn't available.
5588 (*negdf2_1): Likewise.
5589 (*negxf2_1): XF mode negation is always done using the x87.
5590 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5592 2006-05-31 Roger Sayle <roger@eyesopen.com>
5594 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5595 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5597 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5599 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5601 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5602 * config/bfin/bfin.c (basic-block.h): Include.
5603 (struct machine_function): New.
5604 (bfin_init_machine_status): New.
5605 (override_options): Initialize init_machine_status.
5606 (bfin_hardware_loop): New.
5607 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5608 (DEF_VEC_P (loop_info)): New.
5609 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5610 (struct loop_info): New.
5611 (loop_info): New typedef.
5612 (struct loop_work): New.
5613 (loop_work): New typedef.
5614 (DEF_VEC_O (loop_work)): New.
5615 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5616 (bfin_dump_loops): New.
5617 (bfin_bb_in_loop): New.
5618 (bfin_scan_loop): New.
5619 (bfin_optimize_loop): New.
5620 (bfin_reorg_loops): New.
5621 (bfin_reorg): Use bfin_reorg_loops.
5622 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5624 (I_REGNO_P): Simplify.
5625 (DP_REGNO_P, DPREG_P): New macros.
5626 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5627 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5628 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5629 Add LT_REGS, LC_REGS, LB_REGS.
5630 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5632 (REGNO_REG_CLASS): Deal with loop registers.
5633 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5635 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5636 New constants for loop registers.
5637 (UNSPEC_LSETUP_END): New.
5638 (seq_insns): New define_attr. Set it for appropriate insns.
5639 (movsi_insn): Add alternatives for move from/to
5640 loop count registers.
5641 (doloop_end): New define_expand.
5642 (loop_end): New define_insn.
5643 (define_split for bad doloop_end): New.
5644 (lsetup_with_autoinit): New define_insn.
5645 (lsetup_without_autoinit): New define_insn.
5646 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5647 * config/bfin/predicates.md (lc_register_operand): New.
5648 (lt_register_operand): New.
5649 (lb_register_operand): New.
5650 (nondp_register_operand): New.
5651 (nondp_reg_or_memory_operand): New.
5652 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5654 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5656 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5657 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5659 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5661 * Makefile.in (CATALOGS): Add po/ prefix.
5662 * configure: Regenerated.
5664 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5667 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5668 a shift operand before calling shift_op. Avoid redundant call of
5671 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5672 DJ Delorie <dj@redhat.com>
5674 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5675 we're inserting is a singlt-bit constant.
5677 2006-05-30 Roger Sayle <roger@eyesopen.com>
5679 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5680 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5682 2006-05-30 Roger Sayle <roger@eyesopen.com>
5684 PR tree-optimization/23452
5685 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5686 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5687 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5688 complex values and with -ffast-math for FP complex values.
5690 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5692 * c-common.h: Remove the prototype for yyparse.
5693 * rtl.h: Remove the prototype for init_loop.
5695 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5697 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5700 2006-05-30 Roger Sayle <roger@eyesopen.com>
5702 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5704 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5705 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5707 2006-05-30 Dirk Mueller <dmueller@suse.de>
5710 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5711 for CONSTANT_CLASS_P expresisons.
5713 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5716 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5718 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5720 PR tree-optimization/27779
5721 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5722 initial_condition instead of CHREC_LEFT.
5724 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5726 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5727 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5728 Make prototypes ISO C90.
5730 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5731 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5733 * see.c (see_analyze_one_def): Correct check.
5734 (see_get_extension_data): Check if extension is parallel.
5735 (see_get_extension_reg): Likewise.
5737 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5740 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5741 into register for (code == GTU).
5743 2006-05-29 Roger Sayle <roger@eyesopen.com>
5745 PR tree-optimization/24964
5746 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5747 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5748 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5749 abs(x)*abs(x) as x*x for scalar floating point modes.
5751 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5754 * lambda-code.c (perfect_nestify): Don't copy statements
5755 in the inner loop: move them to the inner loop header.
5757 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5760 * c-tree.texi: Document OpenMP directives and clauses.
5762 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5764 * varasm.c (globalize_decl): Fix indentation.
5766 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5769 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5770 pass_fre, pass_store_ccp, pass_copy_prop,
5771 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5772 pass_return_slot, pass_object_size, pass_lim,
5773 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5774 pass_loop_prefetch and pass_stdarg.
5776 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5778 * config/bfin/bfin.opt (mfdpic): New option.
5779 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5780 (EXTRA_MULTILIB_PARTS): Likewise.
5781 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5782 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5784 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5785 (CRT_CALL_STATIC_FUNCTION): New.
5786 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5788 (CRT_CALL_STATIC_FUNCTION): New.
5789 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5791 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5792 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5793 (initialize_trampoline): Changed to handle FD-PIC code generation.
5794 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5795 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5796 (override_options): Disallow -mid-shared-library -mfdpic combination.
5797 Can't do unaligned ops if FD-PIC.
5798 Turn off flag_pic if trying to generate non-id-shared-library
5799 non-fdpic code, since it's not supported.
5800 (bfin_assemble_integer): New function.
5801 (TARGET_ASM_INTEGER): Define.
5802 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5804 * config/bfin/crtn.s: Restore them.
5805 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5807 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5808 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5809 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5810 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5811 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5813 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5814 FDPIC_REGS and FDPIC_FPTR_REGS.
5815 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5816 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5817 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5818 (load_funcdescsi): New pattern.
5819 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5820 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5821 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5823 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5825 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5828 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5830 * tree-flow.h: Remove the prototype for add_type_alias.
5831 * tree-ssa-alias.c (add_type_alias): Remove.
5833 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5835 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5836 config/fr30/fr30.md, config/i386/i386-interix.h,
5837 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5838 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5839 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5840 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5841 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5842 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5843 Follow spelling conventions.
5844 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5845 Follow spelling conventions.
5847 2006-05-27 Richard Guenther <rguenther@suse.de>
5850 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5851 to produce a constant of value 1 of generic type.
5853 2006-05-27 Dirk Mueller <dmueller@suse.de>
5855 * cgraphunit.c (decide_is_function_needed): Fix wrong
5858 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5860 PR rtl-optimization/27661
5861 * reload.c (find_reloads): When reloading a VOIDmode constant
5862 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5863 use Pmode as mode of the reload register.
5865 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5867 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5868 is enabled at -O and above.
5870 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5873 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5876 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5879 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5880 for anonymous variables explicitly declared by front ends.
5882 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5884 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5885 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5886 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5887 ref-all pointers, run a finalization pass for them.
5888 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5889 (finalize_ref_all_pointers): New function.
5890 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5891 regular pointer type to a ref-all pointer type.
5892 (get_tmt_for): Return the special memory tag for ref-all pointers.
5894 2006-05-25 Richard Guenther <rguenther@suse.de>
5897 * fold-const.c (fold_binary): Do not look at the stripped
5898 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5900 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5902 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5903 for LT and GT if the computed range is effectively empty.
5905 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5908 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5909 mips_quad_format formats instead of ieee_single_format,
5910 ieee_double_format and ieee_quad_format formats, respectively.
5912 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5914 PR tree-optimization/27639
5915 PR tree-optimization/26719
5916 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5917 call to scev_probably_wraps_p.
5918 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5919 used_in_pointer_arithmetic_p, convert_step): Removed.
5920 (nowrap_type_p): New function.
5921 (scev_probably_wraps_p): Rewritten.
5922 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5923 chrec_convert if chrec_convert_aggressive might have been used.
5924 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5925 scev_direction): New functions.
5926 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5927 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5928 instead of convert_step.
5929 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5930 (convert_step): Declaration removed.
5931 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5933 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5935 * df-core.c: Added to header comments.
5936 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5937 df_ur_bb_info, df_urec_bb_info): Added comments.
5938 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5939 urec, ri problems): Fixed header comments.
5940 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5941 code from df_rd_transfer_function.
5943 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5945 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5946 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5947 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5949 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5951 * expr.c (undefined_operand_subword_p): New.
5952 (emit_move_multi_word): Do not generate move from undefined bits
5953 of a paradoxical subreg.
5955 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5957 PR rtl-optimization/27736
5958 * combine.c (replaced_rhs_value): New variable.
5959 (combine_instructions): Set it.
5960 (distribute_notes): When distributing a note in replaced_rhs_insn,
5961 check whether the value was used in replaced_rhs_value.
5963 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5966 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5967 add_referenced_var instead of add_referenced_tmp_var.
5968 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5969 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5971 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5972 tree_optimize_tail_calls_1): Use add_referenced_var.
5973 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5974 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5975 Use add_referenced_var.
5976 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5977 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5978 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5979 Use add_referenced_var.
5980 * tree-dfa.c (struct walk_state): Remove.
5981 (find_referenced_vars): Remove walk state and vars_found hash table.
5982 (make_rename_temp): Use add_referenced_var.
5983 (find_vars_r): Pass less parameters to add_referenced_var.
5984 (referenced_var_p): New. Is var in referenced_var hash table.
5985 (referenced_var_insert): Assert var isn't already in hash table.
5986 (add_referenced_var): Don't need walk_state parameter. Add var if it
5987 isn't already in the hash table.
5988 (add_referenced_tmp_var): Remove.
5989 (find_new_referenced_vars_1): Use add_referenced_var.
5990 * tree-ssa-pre.c (create_expression_by_pieces,
5991 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5992 Use add_referenced_var.
5993 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5994 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5995 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5997 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5998 vect_create_data_ref_ptr, vect_create_destination_var,
5999 vect_init_vector, vect_build_loop_niters,
6000 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6001 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6002 Use add_referenced_var.
6003 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6004 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6005 (add_referenced_var): Add prototype.
6006 * tree-ssa-structalias.c (get_constraint_for,
6007 intra_create_variable_infos): Use add_referenced_var.
6009 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6011 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6012 big-endian paradoxical subregs.
6013 * var-tracking.c (struct micro_operation_def): Document that,
6014 for modify micro operations, insn is the subsequent instruction.
6015 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6016 (var_reg_set, var_mem_set): ... new functions.
6017 (add_stores): Record subsequent insn.
6018 (compute_bb_dataflow): Use new functions for MO_USE.
6019 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6020 notes after the insn, and modify notes before the insn known
6021 to be the subsequent one.
6022 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6024 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6027 * config/i386/i386.c (ix86_expand_builtin): Use
6028 gen_sse3_monitor64 for TARGET_64BIT.
6030 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6032 PR rtl-optimization/26375
6033 PR rtl-optimization/26855
6034 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6036 (df_ru_bb_local_compute): Reversed statements and removed bogus
6037 comment explaining why they should be in wrong order.
6038 (df_ru_dump, df_rd_dump): Enhanced debug info.
6039 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6041 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6042 reaching uses and fixed space problem.
6044 2006-05-23 Jan Hubicka <jh@suse.cz>
6046 * cgraphunit.c (decide_is_function_needed): Also nested functions
6047 and functions declared inline can be optimized out at -O0.
6049 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6051 * doc/install.texi (Configuration): Remove reference to CrossGCC
6055 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6058 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6059 ix86_compare_emitted is non-NULL.
6061 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6064 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6067 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6069 PR rtl-optimization/25514
6070 * combine.c (replaced_rhs_insn): New variable.
6071 (combine_instructions): Set replaced_rhs_insn when trying to replace
6072 a SET_SRC with a REG_EQUAL note.
6073 (distribute_notes): Use replaced_rhs_insn when determining the live
6074 range of a REG_DEAD register.
6076 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6077 Anatoly Sokolov <aesok@post.ru>
6079 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6080 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6081 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6082 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6083 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6084 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6085 at90usb647, at90usb1286 and at90usb1287 devices.
6086 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6087 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6089 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6091 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6093 2006-05-22 Richard Guenther <rguenther@suse.de>
6096 2006-01-31 Richard Guenther <rguenther@suse.de>
6097 Paolo Bonzini <bonzini@gnu.org>
6099 * doc/install.texi (--disable-libgcc-math): Document.
6101 2006-05-22 Richard Guenther <rguenther@suse.de>
6104 2006-01-31 Richard Guenther <rguenther@suse.de>
6106 * doc/invoke.texi (-msselibm): Document.
6107 * target.h (expand_library_builtin): New target hook.
6108 * builtins.c (expand_builtin): Use expand_library_builtin.
6109 (default_expand_library_builtin): New function.
6110 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6111 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6112 (link_gcc_math_spec): Declare.
6113 (static_specs): Add link_gcc_math_spec.
6114 * expr.h (default_expand_library_builtin): Declare.
6115 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6116 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6117 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6118 * config/i386/i386.opt (msselibm): New target option.
6119 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6120 (ix86_init_sse_abi_builtins): New function.
6121 (ix86_expand_library_builtin): Likewise.
6122 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6123 (override_options): Handle error conditions wrt -msselibm.
6124 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6125 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6126 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6129 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6132 * c-common.c (self_promoting_args_p): Skip erroneous args.
6135 * c-decl.c (finish_struct): Skip erroneous fields.
6137 2006-05-22 Nick Clifton <nickc@redhat.com>
6139 * config/cris/cris.opt (march): Remove VarExists attribute.
6140 (max-stackframe=): Likewise.
6142 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6144 * doc/rtl.texi: Fix a typo.
6145 * see.c: Fix comment typos.
6147 * tree-ssa-structalias.h (alias_info): Remove num_references.
6149 2006-05-21 Mike Stump <mrs@apple.com>
6151 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6153 (darwin_pragma_options): Use BAD instead.
6154 (darwin_pragma_unused): Likewise.
6155 (darwin_pragma_ms_struct): Likewise.
6157 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6159 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6161 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6163 PR rtl-optimization/27671
6164 * simplify-rtx.c (simplify_relational_operation_1): Fix
6165 simplifications of (eq/ne (xor x y) y) and
6166 (eq/ne (xor x y) x).
6168 PR tree-optimization/26622.
6169 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6172 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6174 * tree-cfg.c: Prune whitespace.
6175 (debug_tree_cfg): Point to correct header containing the
6178 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6181 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6183 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6186 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6187 or sorry count is non zero.
6189 2006-05-20 Andreas Schwab <schwab@suse.de>
6191 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6193 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6194 Kenneth Zadeck <zadeck@naturalbridge.com>
6196 PR rtl-optimization/26855
6198 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6200 (df_scan_alloc): Added code to properly handle multiword hard
6201 registers and add all_blocks parameter.
6202 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6203 code to properly handle multiword hard registers.
6204 (df_rescan_blocks): Added code to remove deleted blocks from
6206 (df_ref_create_structure, df_ref_record): Added code to properly
6208 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6209 and set DF_REF_PARTIAL.
6210 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6211 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6212 (df_scan_add_problem): Added flags parameter.
6213 (df_ref_create_structure): Changed switching structure.
6214 (df_bb_refs_record): Fixed case where duplicate artificial refs
6215 were created. Changed location of flags.
6216 (df_record_entry_block_defs): Added code to make stack pointer
6217 live in entry block. Refined cases where frame pointer is needed.
6218 Changed location of flags.
6219 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6220 (df_set_state): Removed function.
6221 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6222 df_insn_create_insn_record, df_insn_refs_delete,
6223 df_ref_create_structure): Formatting changes.
6224 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6225 df_delete_basic_block): New function.
6226 (df_init): Changed location of flags.
6227 (df_add_problem): Added flags parameter and the way flags are
6229 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6230 debug_df_chain): Improved debugging output.
6231 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6232 (df_refs_chain_dump): Removed df parameter.
6233 (df_iterative_dataflow): Added consistency check.
6234 (df_prune_to_subcfg): Made public.
6235 (df_analyze_problem): Added blocks_to_init parameter and made
6237 (df_ref_record, df_bb_refs_record, df_mark_reg,
6238 df_record_exit_block_uses): Whitespace changes.
6239 (df_dump): Whitespace changes.
6240 * df.h: Some reordering to remove forward references.
6241 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6242 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6243 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6244 (dataflow.flags): New field.
6245 (df.flag): Deleted field.
6246 (df_alloc_function): Added additional bitmap parameter.
6247 (df_dependent_problem_function): New type.
6248 (df_problem.changeable_flags): New field.
6249 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6250 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6251 (df_mw_hardreg): New struct.
6252 (DF_INSN_UID_MWS): New macro.
6253 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6255 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6256 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6257 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6258 (df_set_state): Removed function.
6259 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6260 * df-problems.c (df_chain_dump): Removed df parameter.
6261 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6262 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6264 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6265 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6266 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6267 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6268 DF_REF_MUST_CLOBBER cases.
6269 (df_ru_bb_local_compute_process_def,
6270 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6271 df_lr_bb_local_compute, df_ur_bb_local_compute,
6272 df_chain_create_bb): Made subreg aware.
6273 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6274 df_lr_bb_local_compute, df_lr_bb_local_compute,
6275 df_chain_create_bb): Cleanup to use proper macros.
6276 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6277 code to fixup bitvectors.
6278 (df_ri_alloc): Cleared lifetime.
6279 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6280 df_create_unused_note): New function.
6281 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6282 REG_DEAD and REG_UNUSED notes as well as register information.
6283 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6284 df_chains_dump): Fixed crash if problem was never run.
6285 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6286 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6287 df_ri_add_problem): Processes flags in uniform manner.
6288 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6289 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6290 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6291 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6292 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6293 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6294 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6295 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6296 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6297 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6298 * see.c (see_initialize_data): Ditto.
6299 * final.c (rest_of_clean_state) Added regstack_completed.
6300 * rtl.h (regstack_completed): Ditto.
6301 * reg-stack.c (regstack_completed): Ditto.
6303 2006-05-19 Mike Stump <mrs@apple.com>
6305 * c-tree.h (default_conversion): Remove.
6306 * c-common.h (default_conversion): Add.
6308 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6310 * tree-vrp.c (valid_value_p): New function.
6311 (adjust_range_with_scev): Fail if the value of bound is not
6314 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6316 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6317 (mips_fallback_frame_state): Use syscall numbers to determine
6318 the appropriate li instruction for the current ABI. Only use
6319 __NR_sigreturn for o32.
6321 2006-05-19 Nicolas Setton <setton@adacore.com>
6323 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6324 * langhooks.c (lhd_dwarf_name): New function.
6325 * langhooks-def.h (lhd_dwarf_name): Declare.
6326 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6327 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6328 * ada/misc.c (gnat_dwarf_name): New function.
6329 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6331 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6333 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6335 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6336 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6337 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6338 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6339 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6340 determine the size of Wtype, etc.
6341 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6342 (swfloatfuncs): New variable.
6343 (dwfloatfuncs): Likewise.
6344 (lib2funcs): Remove floating-point conversion functions from
6345 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6346 the set of conversion routines needed. Allow entries to specify
6347 an object name, filename and word size. Update users accordingly.
6348 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6349 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6353 2006-02-08 Roger Sayle <roger@eyesopen.com>
6356 * config/fixtfdi.c: New libgcc source file.
6357 * config/fixunstfdi.c: New source file.
6358 * config/floatditf.c: New source file.
6359 * config/floatunditf.c: New souce file.
6360 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6361 files above instead of config/mips/_tilib.c.
6362 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6364 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6366 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6367 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6369 2006-05-18 Mike Stump <mrs@apple.com>
6371 Fix up vla, vm and [*] sematics.
6377 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6378 (c_vla_unspec_p): Add.
6379 (c_vla_type_p): Add.
6380 * c-decl.c (struct c_scope): Add had_vla_unspec.
6381 (build_array_declarator): Add support for [*].
6382 (grokdeclarator): Likewise.
6383 (grokparms): Likewise.
6384 (get_parm_info): Likewise.
6385 * c-objc-common.c (c_vla_unspec_p): Likewise.
6386 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6387 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6388 typeof when argument is a variably modified type not inside sizeof or alignof.
6389 (c_parser_direct_declarator_inner): Propagate errors.
6390 (c_parser_sizeof_expression): Add support for [*].
6391 (c_parser_parms_declarator): Initialize had_vla_unspec.
6392 (c_parser_parms_list_declarator): Likewise.
6393 * c-typeck.c (c_vla_type_p): Add.
6394 (composite_type): Add support for vla compositing.
6395 (comptypes_internal): Add support for vla compatibility.
6396 (c_expr_sizeof_expr): Evaluate vla arguments.
6397 * tree.c (variably_modified_type_p): Update comment for [*].
6399 2006-05-18 Michael Matz <matz@suse.de>
6402 * config.host: Make assignments to host_xmake_file cumulative.
6403 * config.host (*-darwin*): Test $host, not $target.
6405 2006-05-12 Stuart Hastings <stuart@apple.com>
6407 * config/i386/i386.opt (-mstackrealign): New flag.
6408 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6409 (ix86_handle_cconv_attribute): Emit error when
6410 force_align_arg_pointer attribute collides with too many regparms.
6411 (ix86_function_regparm): Limit regparms when used with
6412 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6413 Support stack-realigning prologue in non-main functions. Emit
6414 warning for nested functions under -mstackrealign, emit error for
6415 nested functions with force_align_arg_pointer attribute.
6416 * doc/extend.texi (force_align_arg_pointer): Document it.
6417 * doc/invoke.texi (-mstackrealign): Document it.
6419 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6421 PR rtl-optimization/27477
6422 * combine.c (try_combine): Don't split a parallel consisting
6423 of two sets into two individual sets if both sets reference
6426 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6428 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6429 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6431 * doc/options.texi (VarExists): Updated.
6433 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6435 * unwind-dw2.c: Add declarations for uw_update_context and
6437 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6438 detected, advance frame state and context once to skip over stub.
6440 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6444 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6445 Call rewrite_into_loop_closed_ssa only when something changed.
6446 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6447 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6448 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6449 Test for perfect_nest_p here. Fix formating.
6450 (replace_uses_equiv_to_x_with_y): Fix formating.
6451 (stmt_uses_op): Removed.
6452 (can_convert_to_perfect_nest): Removed loopivs parameter.
6453 Complete the test by checking the scalar dependences.
6454 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6457 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6460 From Dan Kegel <dank@kegel.com>:
6461 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6463 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6465 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6466 if the element type is variably modified without recursing.
6468 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6471 * tree-loop-linear.c (try_interchange_loops): Test for
6472 no data dependences.
6474 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6476 PR tree-optimization/27548
6477 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6478 range of ssa names that appear on abnormal edges.
6479 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6480 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6482 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6485 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6487 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6490 * tree.h (OMP_PARALLEL_COMBINED): Define.
6491 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6492 (new_omp_context): Add is_combined_parallel argument.
6493 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6494 new_omp_context caller.
6495 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6496 Adjust gimplify_scan_omp_clauses callers.
6497 (omp_is_private): Issue errors if iteration variable is firstprivate
6498 or reduction in the current context.
6499 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6500 on combined parallel workshare constructs.
6502 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6504 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6505 (gcc-options.o): New rule.
6507 * optc-gen.awk: Protect variables for gcc-options.o with
6508 #ifdef GCC_DRIVER/#endif.
6510 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6512 Fix PR tree-optimization/27373
6513 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6514 (forward_propagate_addr_expr): Update call.
6516 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6518 * doc/options.texi: Move the Negative option.
6520 2006-05-16 Richard Guenther <rguenther@suse.de>
6522 PR tree-optimization/22303
6523 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6525 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6526 ccp_fold did not simplify the statement.
6528 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6531 * Makefile.in (GCC_OBJS): New.
6532 (OBJS-common): Add opts-common.o.
6533 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6534 (cpp$(exeext)): Likewise.
6535 (gcc.o): Also depend on opts.h.
6536 (opts-common.o): New.
6538 * common.opt (gcoff): Add Negative(gdwarf-2).
6539 (gdwarf-2): Add Negative(gstabs).
6540 (gstabs): Add Negative(gstabs+).
6541 (gstabs+): Add Negative(gvms).
6542 (gvms): Add Negative(gxcoff).
6543 (gxcoff): Add Negative(gxcoff+).
6544 (gxcoff+): Add Negative(gcoff).
6545 * config/i386/i386.opt (m32): Add Negative(m64).
6546 (m64): Add Negative(m32).
6548 * doc/options.texi: Document the Negative option.
6550 * gcc.c: Include "opts.h".
6551 (main): Call prune_options after expandargv.
6553 * optc-gen.awk: Generate common declarations for all flag
6554 variables in options.c. Output the neg_index field.
6556 * opts.c (find_opt): Moved to ...
6557 * opts-common.c: Here. New file.
6559 * opts.h (cl_option): Add a neg_index field.
6561 (prune_options): Likewise.
6563 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6566 * omp-low.c (expand_omp_parallel): Don't assert
6567 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6568 instead search for it.
6571 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6574 2006-05-16 Andreas Schwab <schwab@suse.de>
6576 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6579 2006-05-15 Roger Sayle <roger@eyesopen.com>
6582 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6583 integer constants other than zero are only legitimate on TARGET_64BIT.
6584 <CONST_VECTOR> Only zero vectors are legitimate.
6585 (ix86_cannot_force_const_mem): Integral and vector constants can
6586 always be put in the constant pool.
6588 2006-05-16 DJ Delorie <dj@redhat.com>
6590 * crtstuff.c (__dso_handle): Set section from
6591 TARGET_LBIGCC_SDATA_SECTION if defined.
6592 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6593 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6595 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6598 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6601 2006-05-16 Ben Elliston <bje@au.ibm.com>
6603 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6605 2006-05-15 Per Bothner <per@bothner.com>
6607 * tree.c: (last_annotated_node): Use source_locus typedef.
6608 This permits bootstrapping with --enable-mapped-location.
6610 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6612 PR tree-optimization/26830
6613 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6614 (info_for_ssa_name, current_info_for_ssa_name_age,
6615 blocks_to_update): New variables.
6616 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6617 (clear_ssa_name_info, initialize_flags_in_bb,
6618 mark_block_for_update): New functions.
6619 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6620 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6621 prepare_def_site_for): Use mark_block_for_update.
6622 (mark_def_interesting): Assert that the processed block is marked in
6623 blocks_to_update. Do not take blocks argument.
6624 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6626 (rewrite_update_init_block, rewrite_update_stmt): Only process
6627 blocks with statements to rewrite.
6628 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6629 (update_ssa): Initialize and free blocks_to_update. Do not
6630 clear flags on statements. Do not use blocks bitmap.
6631 * tree.h (SSA_NAME_AUX): Removed.
6632 (struct tree_ssa_name): Removed aux field.
6633 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6635 2006-05-15 Richard Guenther <rguenther@suse.de>
6637 PR tree-optimization/27603
6638 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6639 Do computations in original type.
6641 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6643 * see.c: Code style changes such as redundant paranthesis,
6644 redundant intialization of local variables etc.
6645 (see_main): Declared now as static.
6646 * doc/invoke.texi: Update that -fsee is not enabled by
6649 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6651 * omp-low.c (check_omp_nesting_restrictions): New function.
6652 (scan_omp_1): Call it.
6655 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6656 construct, return *VAR.
6658 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6660 PR rtl-optimization/27406
6661 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6664 2006-05-14 Roger Sayle <roger@eyesopen.com>
6666 PR rtl-optimization/27538
6667 * combine.c (expand_compound_operation): Call gen_lowpart
6668 before calling simplify_shift_const.
6670 2006-05-14 Roger Sayle <roger@eyesopen.com>
6672 PR rtl-optimization/22563
6673 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6674 a fixed width bitfield, always force the intermediates into psuedos.
6676 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6679 * mkconfig.sh: Use operator = instead of == for test.
6681 2006-05-13 Nick Clifton <nickc@redhat.com>
6683 * dwarf2out.c (dbx_reg_number): Check return value from
6684 LEAF_REG_REMAP and only use it if it is valid.
6685 (multiple_reg_loc_descriptor): Likewise.
6687 2006-05-13 Richard Guenther <rguenther@suse.de>
6689 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6692 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6694 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6695 information attached to non-INSNs such as NOTEs.
6696 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6698 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6700 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6702 * config/s390/s390.md: Adjust comment describing On constraint.
6704 2006-05-11 Jan Hubicka <jh@suse.cz>
6706 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6707 to be output at -O0.
6709 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6712 * fold-const.c (size_binop): Move sanity check for arguments to
6713 the beginning of the function.
6716 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6719 2006-05-11 Richard Guenther <rguenther@suse.de>
6722 * fold-const.c (fold_unary): Handle intermediate conversion
6723 to a pointer type like intermediate conversion to an integer
6724 type in folding of (T1)(T2)var to var.
6725 Match the code to the comment in the final conversion for
6726 (T1)(T2)var to (T1)var regarding to type precision. Rather
6727 than disallow T1 being of pointer type, assert that both T1
6728 and var are of pointer type or not. Make sure not to fall
6729 over the frontends lazyness wrt array to pointer decay though.
6731 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6733 * arm.c (arm_struct_value_rtx): Delete.
6734 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6735 (arm_init_cumulative_args): Always initialize nregs to zero.
6737 2006-05-10 Richard Guenther <rguenther@suse.de>
6739 PR tree-optimization/27532
6740 * tree-object-size.c (plus_expr_object_size): Fix typo.
6742 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6745 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6746 ashrdi_const, ashrdi3): Use a scratch register.
6748 2006-05-10 Richard Guenther <rguenther@suse.de>
6750 PR tree-optimization/27302
6751 * fold-const.c (operand_equal_p): For two comparisons,
6752 try comparison of one comparison code swapped if that yields
6755 2006-05-10 Ben Elliston <bje@au.ibm.com>
6757 * tree-pretty-print.c (pretty_print_string): No need to handle
6758 '\0' as a special character.
6760 * tree.h: Include "hashtab.h".
6761 (iterative_hash_expr): Use hashval_t in its prototype.
6762 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6764 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6767 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6768 (hppa*64*-*-hpux11*): Ditto.
6769 (hppa[12]*-*-hpux11*): Ditto.
6771 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6774 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6776 2006-05-09 Michael Matz <matz@suse.de>
6778 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6779 host_extra_gcc_objs and host_xmake_file.
6780 (<*-*-linux*>): Don't overwrite host_xmake_file.
6781 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6782 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6783 (host_detect_local_cpu): Declare.
6784 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6785 * config/i386/i386.c (override_options): Handle -mtune=native
6787 * config/i386/x-i386: New file.
6788 * config/i386/driver-i386.c: New file.
6789 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6792 2006-05-09 Dirk Mueller <dmueller@suse.de>
6793 Richard Guenther <rguenther@suse.de>
6796 * fold-const.c (fold_read_from_constant_string): Relax check
6797 for matching types to matching modes.
6799 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6801 PR rtl-optimization/27335
6802 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6805 2006-05-08 Chao-ying Fu <fu@mips.com>
6806 Richard Sandiford <richard@codesourcery.com>
6808 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6809 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6810 * config/mips/mips.md (UNSPEC_SCC): New constant.
6811 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6812 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6813 (mips_emit_compare): Use it.
6814 (mips_expand_vcondv2sf): New function.
6816 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6818 Fix PR tree-optimization/27093
6819 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6820 renaming when they become not-used_alone.
6822 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6824 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6825 relocation and relocation stubs.
6827 2006-05-08 Eric Christopher <echristo@apple.com>
6829 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6832 2006-05-08 Jan Hubicka <jh@suse.cz>
6835 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6836 unused static functions are needed.
6838 2006-05-08 Roger Sayle <roger@eyesopen.com>
6841 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6842 of a reg_equiv_constant if the result is a legitimate constant.
6844 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6847 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6848 standard 80387 constants, raise the cost to prevent
6849 compress_float_constant() to generate load from memory.
6851 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6853 * config/arm/constraints.md (c): Fix a typo.
6855 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6858 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6861 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6863 (_mm_mwait): Likewise.
6865 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6867 (sse3_monitor): Make it 32bit only.
6868 (sse3_monitor64): New. 64bit monitor.
6870 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6873 * config/i386/i386.c (classify_argument): Skip fields with invalid
6876 2006-05-07 Richard Guenther <rguenther@suse.de>
6878 PR tree-optimization/27409
6879 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6880 Do not try to find zero-sized subvars.
6882 2006-05-07 Richard Guenther <rguenther@suse.de>
6884 PR tree-optimization/27136
6885 * tree-ssa-loop-niter.c (get_val_for): Correct function
6886 comment, assert requirements.
6887 (loop_niter_by_eval): Stop processing if the iterated
6888 value did not simplify.
6890 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6892 * opts.c (flag_see): remove its setting at -O3.
6894 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6896 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6897 * arm/constraints.md: New file.
6898 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6899 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6900 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6901 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6902 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6903 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6904 * arm.md: Include constraints.md.
6905 (thumb_movsi_insn): Use satisfies_constraint_J.
6906 (movhi, movqi): Use satisfies_constraint_I.
6908 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6910 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6911 for atmeg a645 device.
6913 2006-05-06 Richard Guenther <rguenther@suse.de>
6915 PR tree-optimization/27151
6916 * tree-vect-transform.c (vectorizable_condition): Punt on
6917 values that have a different type than the condition.
6919 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6922 * c-parser.c (c_parser_cast_expression): Only insert casts into
6923 hash table if pointer.
6924 * function.c (used_types_insert_helper): Rename from
6926 (used_types_insert): Call used_types_insert_helper.
6927 * function.h (used_types_insert): Accept only one argument.
6929 2006-05-05 David Edelsohn <edesohn@gnu.org>
6931 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6932 scratch with output modifier.
6934 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6937 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6938 with output modifier.
6940 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6943 * config/mips/mips.c (mips_symbolic_address_p): Return true
6944 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6945 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6947 2006-05-04 Richard Guenther <rguenther@suse.de>
6949 PR tree-optimization/14287
6950 PR tree-optimization/14844
6951 PR tree-optimization/19792
6952 PR tree-optimization/21608
6953 PR tree-optimization/27090
6954 * tree-ssa-pre.c (try_combine_conversion): New function.
6955 (compute_avail): After constructing the value-handle
6956 expression, use try_combine_conversion to combine NOP_EXPRs
6957 with previous value-handle expressions and use the result if it
6960 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6962 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6964 2006-05-04 Jan Hubicka <jh@suse.cz>
6967 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6969 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6971 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6972 that this only matches CONST_INTs. All users changed to VOIDmode
6975 * config/bfin/bfin.c: Include "optabs.h".
6976 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6978 (enum bfin_builtins): Add a number of fractional and vector builtins.
6979 (bfin_init_builtins): Likewise.
6980 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6981 (safe_vector_operand, bfin_expand_binop_builtin,
6982 bfin_expand_unop_builtin): New functions.
6983 (bfin_expand_builtin): Handle the new builtins.
6984 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6987 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6990 * Makefile.in (OBJS-common): Add see.o.
6991 (see.o): Add dependencies.
6992 * common.opt (fsee): New flag for the see optimization was added.
6993 * opts.c (flag_see): Initialized.
6994 * passes.c (init_optimization_passes, pass_see): New pass.
6995 * rtl.h (see_main): Declaration as extern.
6996 * timevar.def (TV_SEE): New.
6997 * tree-pass.h (pass_see): Declaration as extern.
6998 * invoke.texi (-fsee): Document.
6999 * recog.c (validate_simplify_insn): New function.
7000 * recog.h (validate_simplify_insn): Declaration as extern.
7001 * df-problems.c (df_chain_dump): Check for NULL.
7003 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7004 Daniel Berlin <dberlin@dberlin.org>
7006 * cfgrtl.c (insert_insn_bb_end_new): New function.
7007 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7009 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7011 * df.h (struct web_entry): Moved from web.c.
7012 (union_defs): Declaration as extern.
7013 (unionfind_root): Likewise.
7014 (unionfind_union): Likewise.
7015 * web.c (struct web_entry): Moved to df.h.
7016 (unionfind_root): Remove static declaration.
7017 (unionfind_union): Likewise.
7018 (union_defs): Likewise and generalize to use callback function.
7019 (web_main): Update arguments for union_defs function call.
7021 2006-05-04 Richard Guenther <rguenther@suse.de>
7023 PR tree-optimization/26447
7024 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7025 produce SSA_NAME copies before the store stmt to avoid
7026 breaking exception handling.
7028 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7031 * gimplify.c (omp_is_private): If var is shared in some outer context,
7032 return false instead of true. Stop searching on parallel context
7035 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7038 * coverage.c: Use get_gcov_unsigned_t() instead of
7039 unsigned_type_node all over.
7041 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7043 PR tree-optimization/27381
7044 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7045 maintain the same immediate_use links.
7046 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7047 node rather than segfaulting.
7049 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7052 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7053 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7054 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7056 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7058 Fix PR tree-optimization/26626
7059 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7061 * tree-ssa-operands.c (access_can_touch_variable): Allow
7062 typecasting through union pointers.
7064 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7067 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7068 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7069 to find if var will be a global variable even in the nested context.
7070 (omp_copy_decl): Only check for global variable at the end, it might
7071 be overridden in outer contexts.
7072 (scan_sharing_clauses): For global variables don't create a field.
7073 (lower_rec_input_clauses): Do nothing for global shared variables.
7074 Emit a barrier at the end of ILIST if there were any decls in both
7075 firstprivate and lastprivate clauses.
7076 (lower_send_clauses): Do nothing for global variables except for
7079 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7081 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7082 of the correct signedness is returned.
7084 2006-05-02 Jeff Law <law@redhat.com>
7086 PR tree-optimization/27364
7087 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7088 multiply expressions.
7090 2006-05-02 Tom Tromey <tromey@redhat.com>
7092 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7094 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7097 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7098 -mthumb -fPIC are used.
7100 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7101 Joshua Kinard <kumba@gentoo.org>
7104 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7105 with 64-bit pointers.
7107 2006-05-02 Paul Brook <paul@codesourcery.com>
7109 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7111 (create_fix_barrier): Check that a suitable barrier location is
7113 (arm_reorg): Include ftmp->address in allowable range of addresses.
7115 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7118 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7121 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7124 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7125 around RESULT_DECL for result passed by reference.
7126 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7127 * omp-low.c (use_pointer_for_field): Don't look at
7128 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7129 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7130 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7131 time or var for passing by reference for
7132 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7133 TREE_ADDRESSABLE variables when passing by reference.
7135 * omp-low.c (dump_omp_region): Fix output formatting.
7138 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7139 (expand_omp_parallel): Likewise.
7140 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7143 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7144 on statement list containing also constructors and destructors.
7145 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7148 * except.c (duplicate_eh_regions): Fix clearing of
7149 cfun->eh->region_array entries.
7151 2006-05-01 DJ Delorie <dj@redhat.com>
7153 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7155 (gcc_cv_objdump): Likewise.
7156 * configure: Regenerated.
7158 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7161 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7162 templates for case 3 and 4.
7164 2006-05-01 DJ Delorie <dj@redhat.com>
7166 * vec.c: Include bconfig.h when appropriate.
7167 * Makefile.in (build/vec.o): Adjust dependencies.
7168 * mkconfig.sh: Make sure config.h isn't used for build machine
7171 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7173 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7175 (mark_phi_for_rewrite): New function.
7176 (insert_phi_nodes_for, mark_use_interesting): Call
7177 mark_phi_for_rewrite.
7178 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7179 (update_ssa): Initialize and free phis_to_rewrite.
7181 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7183 PR rtl-optimization/27291
7184 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7185 folded to a constant.
7187 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7189 PR tree-optimization/27283
7190 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7191 not whole # of iteration descriptions.
7192 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7193 uses abnormal ssa name.
7194 (niter_for_single_dom_exit): Ditto.
7195 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7196 return just the number of iterations.
7198 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7200 PR tree-optimization/27144
7201 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7202 (record_estimate): Only record constant upper bound.
7203 (infer_loop_bounds_from_undefined): Call
7204 compute_estimated_nb_iterations just once.
7205 (proved_non_wrapping_p): Renamed to ...
7206 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7207 (convert_step_widening, scev_probably_wraps_p): Call
7208 n_of_executions_at_most instead of proved_non_wrapping_p.
7209 (substitute_in_loop_info): Do not replace values in bounds.
7210 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7213 2006-05-01 Richard Henderson <rth@redhat.com>
7216 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7217 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7220 2006-05-01 Roger Sayle <roger@eyesopen.com>
7222 * c-typeck.c (parser_build_binary_op): Don't call the function
7223 unsigned_conversion_warning to spot operand/result type overflow.
7224 (build_binary_op): Instead, call convert_and_check instead of
7225 convert to report the problem when the operands are promoted.
7226 * c-common.c (unsigned_conversion_warning): Make static.
7227 * c-common.h (unsigned_conversion_warning): Delete prototype.
7229 2006-05-01 Richard Guenther <rguenther@suse.de>
7231 PR tree-optimization/26726
7232 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7234 (find_interesting_uses_address): ... we work around here
7235 by folding INDIRECT_REFs in the substituted base.
7237 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7239 * omp-low.c (dump_omp_region): Add newlines.
7241 2006-04-30 Roger Sayle <roger@eyesopen.com>
7243 * common.opt (Woverflow): New command line option.
7244 * c-common.c (constant_expression_warning): Check warn_overflow.
7245 (overflow_waring): Pass OPT_Woverflow to warning.
7246 (unsigned_conversion_warning): Likewise.
7247 (convert_and_check): Likewise.
7248 * doc/invoke.texi: Document new command line option.
7250 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7252 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7253 TARGET_NO_FP_IN_TOC for section anchors.
7254 (optimization_options): Enable section anchors for all
7255 non-"Objective" languages.
7257 2006-04-28 Eric Christopher <echristo@apple.com>
7259 * config/darwin-c.c (darwin_ms_struct): Move this
7260 (darwin_set_default_type_attributes): and this...
7261 * config/darwin.c: ... here.
7262 * config/darwin.h (darwin_ms_struct): Declare.
7264 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7266 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7268 2006-04-28 Roger Sayle <roger@eyesopen.com>
7271 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7272 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7273 an unsigned HOST_WIDE_INT.
7274 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7276 (really_start_incremental_init): No need to call convert because
7277 bitsize_zero_node is already of type bitsizetype.
7278 (push_init_level): Extract the value of constructor_index as an
7279 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7280 (process_init_element): Likewise.
7282 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7284 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7285 value before passing to make_relative_prefix.
7287 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7290 * builtins.c (expand_builtin_memset): Expand val in original mode.
7292 2006-04-27 Eric Christopher <echristo@apple.com>
7294 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7295 with #ifndef/#endif.
7296 * config/darwin-c.c (darwin_ms_struct): New.
7297 (darwin_pragma_ms_struct): Ditto.
7298 (darwin_set_default_type_attributes): Ditto.
7299 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7300 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7301 Register ms_struct pragma.
7302 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7303 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7304 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7305 darwin_set_default_type_attributes if TARGET_MACHO.
7307 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7309 PR tree-optimization/26854
7310 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7311 * doc/tree-ssa.texi: Update immuse iterator documentation.
7312 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7313 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7314 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7315 first_safe_imm_use, next_safe_imm_use): Remove.
7316 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7317 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7318 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7319 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7320 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7321 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7322 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7323 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7324 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7325 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7326 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7327 (perfect_nestify): Use new iterator.
7328 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7330 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7331 (next_imm_name): New field in struct immediate_use_iterator_d.
7332 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7333 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7334 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7335 * tree-cfg.c (replace_uses_by): Use new iterator.
7336 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7337 * tree-ssa-operands.c (correct_use_link): Remove.
7338 (finalize_ssa_use_ops): No longer call correct_use_link.
7340 2006-04-27 Stuart Hastings <stuart@apple.com>
7342 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7343 * config/t-darwin (crt3.o): Use it.
7344 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7345 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7346 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7347 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7348 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7351 2006-04-27 Roger Sayle <roger@eyesopen.com>
7353 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7354 size, force the intermediate into a new pseudo rather instead of
7355 performing both a bitwise AND and a bitwise IOR in memory.
7357 2006-04-27 Richard Guenther <rguenther@suse.de>
7359 PR rtl-optimization/26685
7360 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7361 this one "max-flow-memory-locations".
7363 2006-04-27 Richard Guenther <rguenther@suse.de>
7365 PR tree-optimization/25148
7366 * tree-vrp.c (compare_values): Remove code dealing with
7367 comparisons against type min/max value. Honour overflow
7368 and negative constants in code dealing with comparisons
7369 of plus and minus expressions.
7370 (value_inside_range): Use fold_binary with LE_EXPR and
7371 GE_EXPR rather than compare_values.
7373 2006-04-27 Dirk Mueller <dmueller@suse.de>
7375 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7378 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7380 * basic-block.h (safe_insert_insn_on_edge): Removed.
7381 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7383 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7384 Paolo Bonzini <bonzini@gnu.org>
7387 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7388 (simplify_and_const_int): Same.
7390 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7392 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7394 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7397 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7398 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7399 cgraph_global_info_ready.
7402 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7405 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7406 either decl or init is error_mark_node.
7409 * tree-flow.h (struct omp_region): Add sched_kind.
7410 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7411 instead of extracting omp for data.
7412 (expand_omp_for): Save extracted sched_kind.
7414 2006-04-25 Roger Sayle <roger@eyesopen.com>
7416 * expmed.c (store_bit_field): Also check whether the bitsize is
7417 valid for the machine's "insv" instruction before moving the
7418 target into a pseudo for use with the insv.
7419 * config/i386/predicates.md (const8_operand): New predicate.
7420 * config/i386/i386.md (extv, extzv, insv): Use the new
7421 const8_operand predicate where appropriate.
7423 2006-04-25 DJ Delorie <dj@redhat.com>
7425 * doc/install.texi (Specific): Clarify that this is not a list of
7426 supported hosts or targets.
7428 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7430 PR rtl-optimization/26725
7431 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7432 block's BB_DIRTY flag.
7434 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7436 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7439 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7440 to print an integer.
7442 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7444 * varasm.c (align_variable): New function.
7445 (get_block_for_decl): Apply align_variable to DECL before
7446 calculating section information.
7447 (assemble_variable): Split out alignment computation.
7449 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7451 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7454 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7456 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7457 MODE_PARTIAL_INT mode.
7458 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7459 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7461 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7462 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7464 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7466 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7468 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7469 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7470 MACFLAG_IH): Likewise.
7471 (movstricthi_1): Renamed from "*movstricthi".
7472 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7473 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7474 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7475 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7476 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7477 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7478 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7479 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7480 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7481 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7482 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7483 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7484 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7485 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7486 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7488 * doc/rtl.texi (ss_ashift): Improve wording.
7490 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7492 * dwarf2out.c (verify_marks_clear): New.
7493 (prune_unused_types): Call verify_marks_clear initially, not
7496 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7498 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7499 * doc/rtl.texi: Document them.
7500 * simplify-rtx.c (simplify_unary_operation,
7501 simplify_binary_operation_1): Don't abort when we see them.
7503 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7506 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7507 * configure.ac: Completely disregard languages that are not
7509 * configure: Regenerated.
7511 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7512 Richard Guenther <rguenther@suse.de>
7514 PR tree-optimization/27236
7515 * tree-inline.c (copy_body_r): Make sure to copy
7516 TREE_THIS_VOLATILE flag.
7518 2006-04-24 Richard Guenther <rguenther@suse.de>
7521 * tree-complex.c (update_parameter_components): Don't handle
7522 unused parameters which have no default def.
7524 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7525 Richard Guenther <rguenther@suse.de>
7527 PR tree-optimization/27218
7528 * tree-inline.c (expand_call_inline): Strip useless type
7529 conversions for the return slot address.
7531 2006-04-24 Richard Guenther <rguenther@suse.de>
7533 * cfgloop.h (struct loops): Remove unused field array. Reorder
7535 (LOOP_PREFETCH): Remove.
7537 2006-04-24 Richard Guenther <rguenther@suse.de>
7539 PR tree-optimization/22525
7540 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7541 variable, adjust types of generated expressions.
7543 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7545 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7546 (tree-vect-patterns.o): Likewise.
7548 (cselib.o): Likewise.
7549 (loop-doloop.o): Likewise.
7550 (regclass.o): Likewise.
7551 (reload1.o): Likewise.
7552 (explow.o): Replace target.h with $(TARGET_H).
7553 (ipa-prop.o): Likewise.
7554 (ipa-cp.o): Likewise.
7555 (ipa-inline.o): Likewise.
7556 (reorg.o): Likewise.
7557 (reg-stack.o): Likewise.
7559 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7561 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7563 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7565 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7567 * configure.ac: Completely disregard languages that are not
7569 * configure: Regenerated.
7572 * c-common.h (c_build_bitfield_integer_type): Declare.
7573 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7574 * c-common.c (c_build_bitfield_integer_type): ... here.
7576 2006-04-23 Roger Sayle <roger@eyesopen.com>
7579 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7580 a SImode SUBREG of a floating point register after no_new_pseudos.
7582 2006-04-23 Roger Sayle <roger@eyesopen.com>
7584 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7585 identify potentially eliminable registers to additionally catch
7586 VIRTUAL_INCOMING_ARGS_REGNUM.
7587 (addsi3): Update the conditions on when to use addsi_small_int.
7589 2006-04-23 Roger Sayle <roger@eyesopen.com>
7592 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7593 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7594 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7596 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7598 * fold-const.c (range_predecessor): Use operand_equal_p
7599 as the predicate for equality.
7600 (range_successor): Likewise.
7602 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7605 * config/soft-fp/op-common.h: Fix a typo.
7607 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7610 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7611 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7613 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7615 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7617 * doc/tm.texi: Fix a typo.
7619 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7621 * dwarf2out.c (struct die_struct): Document that die_sib makes
7622 a circular linked list.
7623 (FOR_EACH_CHILD): New.
7624 (reverse_die_lists): Delete.
7625 (reverse_all_dies): Delete.
7626 (add_dwarf_attr): Correct documentation.
7627 (remove_child_with_prev): New.
7628 (remove_child_TAG): Update for change to die_struct, use
7629 remove_child_with_prev.
7630 (add_child_die): Update for change to die_struct.
7631 (splice_child_die): Use remove_child_with_prev and add_child_die.
7632 (print_die): Use FOR_EACH_CHILD.
7633 (die_checksum): Likewise.
7634 (assign_symbol_names): Likewise.
7635 (output_location_lists): Likewise.
7636 (build_abbrev_table): Likewise.
7637 (calc_die_sizes): Likewise.
7638 (mark_dies): Likewise.
7639 (unmark_dies): Likewise.
7640 (unmark_all_dies): Likewise.
7641 (output_die): Likewise.
7642 (prune_unused_types_mark): Likewise.
7643 (prune_unused_types_walk): Likewise.
7644 (same_die_p): Update for change to die_struct.
7645 (break_out_includes): Likewise.
7646 (prune_unused_types_prune): Likewise.
7647 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7648 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7650 (dwarf2out_finish): Don't call reverse_all_dies.
7652 2006-04-21 Eric Christopher <echristo@apple.com>
7654 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7655 in comments and function names.
7657 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7660 * c-typeck.c (digest_init): Robustify.
7662 * c-typeck.c (pop_init_level): Simplify.
7664 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7666 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7668 2006-04-21 Paul Brook <paul@codesourcery.com>
7670 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7671 hardware floating point.
7673 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7675 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7678 2006-04-21 Nick Clifton <nickc@redhat.com>
7680 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7683 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7686 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7687 C++ lang type in traceback table for Objective-C++.
7689 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7691 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7693 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7695 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7698 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7699 were errors. Remove check for erroneous objects.
7701 2006-04-20 Jeff Law <law@redhat.com>
7703 PR tree-optimization/26854
7704 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7705 checking for zero or one use.
7706 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7707 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7708 * tree-ssa-reassoc.c (negate_value): Similarly.
7709 (reassociate_bb): Similarly.
7711 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7713 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7714 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7715 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7717 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7719 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7720 fp regs if the last fp arg doesn't fit in regs.
7722 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7725 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7726 that the last insn has the REG_INC note.
7728 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7729 Nathan Sidwell <nathan@codesourcery.com>
7732 * stor-layout.c (update_alignment_for_field): Do not align
7734 (place_union_field): Place union field at the start of the union.
7735 (place_field): Move ERROR_MARK check later, and use the current
7736 allocation position to maintain monotonicity.
7738 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7740 * dominance.c: Include timevar.h.
7741 (calculate_dominance_info): Use TV_DOMINANCE.
7742 * timevar.def (TV_DOMINANCE): New timevar.
7743 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7745 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7747 PR rtl-optimization/14261
7748 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7749 move would be an INSV insn.
7750 (noce_process_if_block): Don't optimize if the destination is a
7751 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7753 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7755 * config/s390/s390.md: Add comments with the instructions emitted
7756 by an insn pattern if macros are used.
7758 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7760 PR rtl-optimization/26026
7761 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7762 is a known power of two shifted left a variable amount.
7764 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7766 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7767 to hash table twice when the debug_str section has SECTION_MERGE.
7769 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7771 * config/soft-fp: New directory. From glibc.
7772 * config/soft-fp/t-softfp: New.
7773 * config/soft-fp/README: New.
7774 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7775 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7776 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7777 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7778 * config.gcc: Use rs6000/t-fprules-fpbit or
7779 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7781 * config/rs6000/sfp-machine.h: New. Based on glibc.
7782 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7784 * config/rs6000/t-fprules: Remove fp-bit rules.
7785 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7786 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7787 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7788 (softfp_wrap_start, softfp_wrap_end): New.
7790 2006-04-18 DJ Delorie <dj@redhat.com>
7792 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7794 2006-04-18 Devang Patel <dpatel@apple.com>
7796 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7798 2006-04-18 Nick Clifton <nickc@redhat.com>
7800 * config/sh/t-symbian: Add rule to build sh-c.o
7801 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7802 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7803 (sh_symbian_encode_section_info): Likewise.
7805 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7807 * builtins.c (expand_builtin_strcmp): Cover label definition of
7808 do_libcall with HAVE_cmpstrnsi.
7810 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7812 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7814 * function.h (temp_slot_p): New.
7815 (function): Change the type of x_used_temp_slots to
7816 VEC(temp_slot_p,gc) *.
7818 2006-04-18 Nick Clifton <nickc@redhat.com>
7820 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7821 flag_strength_reduce.
7823 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7825 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7829 Partial revert of revision 112637
7830 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7831 Dale Johannesen <dalej@apple.com>
7834 * regclass.c (struct reg_pref): Update documentation.
7835 (regclass): Set prefclass to NO_REGS if memory is the best option.
7836 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7838 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7840 PR tree-optimization/26821
7841 * tree-ssa-math-opts.c (get_constant_one): New.
7842 (insert_reciprocals): Use it.
7844 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7846 * dwarf2out.c (free_AT): Delete.
7847 (remove_AT): Update string ref counts.
7848 (remove_child_TAG): Don't call free_die.
7850 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7851 or DW_TAG_GNU_EINCL.
7852 (prune_unused_types_walk_attribs): Reset string refcounts.
7853 (prune_unused_types_update_strings): New.
7854 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7855 call free_die. Do call prune_unused_types_update_strings.
7856 (prune_unused_types): Empty debug_str_hash.
7858 2006-04-17 Roger Sayle <roger@eyesopen.com>
7860 * expr.c (expand_assignment): Optimize away no-op moves where the
7861 source and destination are equal and have no side-effects.
7863 2006-04-17 Richard Guenther <rguenther@suse.de>
7866 * reload.c (push_reload): Guard calls to get_secondary_mem
7869 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7871 * alias.c (reg_base_value, old_reg_base_value): Change the
7872 type to VEC(rtx,gc) *.
7873 (REG_BASE_VALUE, find_base_value, record_set,
7874 init_alias_analysis): Use VEC instead of VARRAY.
7876 * alias.c (alias_sets): Change the type to
7877 VEC(alias_set_entry,gc) *.
7878 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7879 VEC instead of VARRAY.
7880 (last_alias_set): Remove.
7882 * cgraph.h (cgraph_edge_p): New.
7883 Update the prototype of cgraph_function_versioning.
7884 * cgraphunit.c (cgraph_copy_node_for_versioning,
7885 cgraph_function_versioning): Use VEC instead of VARRAY.
7886 * ipa-cp.c (ipcp_insert_stage): Likewise.
7888 2006-04-16 Roger Sayle <roger@eyesopen.com>
7891 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7892 "A op B" or "A op C", we may need to convert A to the type of B and C.
7894 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7896 * target.h (struct gcc_target): Add mode_rep_extended.
7897 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7898 (init_num_sign_bit_copies_in_rep): Initialize it using
7900 (truncate_to_mode): Use it.
7901 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7902 * targhooks.h (default_mode_rep_extended): Declare it.
7903 * targhooks.c (default_mode_rep_extended): Define it.
7904 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7905 default_mode_rep_extended.
7906 (TARGET_INITIALIZER): Include it.
7907 * doc/tm.texi (Misc): Document it.
7908 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7909 (mips_truncated_to_mode): New function.
7911 2006-04-16 Roger Sayle <roger@eyesopen.com>
7914 * expr.c (compress_float_constant): Copy the narrow constant into
7915 a new pseudo before extending it to its final width.
7917 2006-04-16 Roger Sayle <roger@eyesopen.com>
7918 Andrew Pinski <pinskia@gcc.gnu.org>
7919 Dale Johannesen <dalej@apple.com>
7922 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7923 special case code to implement V8HImode and V16QImode with SSE2.
7925 2006-04-15 Roger Sayle <roger@eyesopen.com>
7927 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7928 trees are constructed with a suitable tree type.
7930 2006-04-15 Roger Sayle <roger@eyesopen.com>
7932 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7933 (integer_onep): Likewise.
7934 (integer_all_onesp): Likewise.
7935 (integer_pow2p): Likewise.
7936 (integer_nonzerop): Likewise.
7937 (real_zerop): Likewise.
7938 (real_onep): Likewise.
7939 (real_twop): Likewise.
7940 (real_minus_onep): Likewise.
7941 (int_size_in_bytes): Likewise.
7942 (host_integerp): Likewise.
7944 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7946 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7947 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7948 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7950 * tree-ssa-structalias.h (alias_info): Remove num_references.
7952 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7954 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7955 (output_bvb patterns): Likewise.
7956 * pa.c (output_bb): Use 'bb' insn for long branch case.
7957 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7958 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7959 1. Correct length operand for alternatives 1 and 2.
7960 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7961 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7963 2006-04-14 Roger Sayle <roger@eyesopen.com>
7965 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7966 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7967 were accidentally reverted by r112959.
7969 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7972 * except.h (eh_region_outermost): New prototype.
7973 * except.c (eh_region_outermost): New function.
7974 * tree-cfg.c (find_outermost_region_in_block): Use it.
7976 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7978 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7980 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7981 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7982 (init_reload, reload): Use VEC instead of VARRAY.
7983 * reload.h: Update the prototype for
7984 reg_equiv_memory_loc_varray.
7986 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7987 Eric Botcazou <ebotcazou@libertysurf.fr>
7989 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7992 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7995 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7996 to expand fallback builtin function call.
7998 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8001 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8002 and emit libcall here in case the builtin fails.
8003 (expand_builtin_strcmp): Always emit the libcall here on failure.
8005 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8007 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8008 * flow.c (reg_n_info): Change the type to
8009 VEC(reg_info_p,heap) *.
8010 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8012 * regs.h (reg_info_p): New.
8013 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8014 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8015 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8018 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8020 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8022 * params.h (MAX_SCHED_READY_INSNS): New macro.
8023 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8024 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8025 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8026 the ready list for 1 cycle during the first scheduling pass.
8027 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8029 2006-04-13 Richard Henderson <rth@redhat.com>
8032 * gimple-low.c (lower_omp_directive): Remove dead code.
8033 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8034 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8035 * omp-low.c (struct omp_region): Move to tree-flow.h.
8036 (root_omp_region): Export.
8037 (omp_regions, lookup_omp_region): Remove.
8038 (determine_parallel_type): Update for struct omp_region changes.
8039 (dump_omp_region): Dump regions with block numbers.
8040 (new_omp_region): Take type and block instead of stmt; malloc
8042 (free_omp_region_1, free_omp_regions): New.
8043 (expand_parallel_call): Take entry_stmt as argument; update for
8044 changes to omp_region.
8045 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8046 (remove_exit_barriers): New.
8047 (expand_omp_parallel): Update for struct omp_region changes.
8048 (expand_omp_synch): Likewise.
8049 (expand_omp): Likewise.
8050 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8051 (expand_omp_for_static_chunk): Likewise.
8052 (expand_omp_for): Likewise.
8053 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8054 (expand_omp_sections): Similarly, with GOMP_sections_end.
8055 (expand_omp_single): New.
8056 (build_omp_regions_1): Update for OMP_CONTINUE.
8057 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8058 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8059 OMP_SECTIONS_SECTIONS.
8060 (lower_omp_single_simple): Don't emit barrier here.
8061 (lower_omp_single_copy): Likewise.
8062 (lower_omp_single): Fix bindings, and lower to straightline now.
8063 (lower_omp_master, lower_omp_ordered): Likewise.
8064 (lower_omp_critical): Likewise.
8065 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8066 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8067 omp edges, free it afterward.
8068 (make_omp_sections_edges): Remove.
8069 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8070 (move_stmt_r): Handle OMP_CONTINUE.
8071 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8072 statement pointers to basic blocks. Add type member.
8073 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8074 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8075 * tree-inline.c (estimate_num_insns_1): Likewise.
8076 * tree-pretty-print.c (dump_generic_node): Likewise.
8077 * tree-ssa-operands.c (get_expr_operands): Likewise.
8078 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8079 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8080 (OMP_CONTINUE): New.
8081 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8082 (OMP_SECTIONS_SECTIONS): Remove.
8083 (OMP_SECTION_LAST): New.
8084 (OMP_RETURN_NOWAIT): New.
8086 2006-04-13 Roger Sayle <roger@eyesopen.com>
8088 * fold-const.c (native_encode_vector, native_interpret_real):
8089 Correct obvious mistakes in the previous check-in.
8091 2006-04-13 Roger Sayle <roger@eyesopen.com>
8093 * fold-const.c (native_encode_expr): New function to encode
8094 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8095 or VECTOR_CST into a specified buffer.
8096 (native_encode_int): New function.
8097 (native_encode_real): New function.
8098 (native_encode_complex): New function.
8099 (native_encode_vector): New function.
8100 (native_interpret_expr): Inverse of native_encode_expr to convert
8101 a target representation into an INTEGER_CST, REAL_CST etc...
8102 (native_interpret_int): New function.
8103 (native_interpret_real): New function.
8104 (native_interpret_complex): New function.
8105 (native_interpret_vector): New function.
8106 (fold_view_convert_expr): New function to constant fold/evaluate
8107 a VIEW_CONVERT_EXPR of a suitable constant expression.
8108 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8109 Change call of build1 to fold_build1 when constructing a
8112 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8113 Ulrich Weigand <uweigand@de.ibm.com>
8116 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8119 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8122 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8123 optimize to lo_sum for DFmode if !TARGET_FPRS.
8125 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8127 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8128 delete_alias_info, compute_flow_sensitive_aliasing,
8129 group_aliases): Use VEC instead of VARRAY.
8130 * tree-ssa-structalias.c (update_alias_info): Likewise.
8131 * tree-ssa-structalias.h (alias_info): Change the type of
8132 processed_ptrs to VEC(tree,heap) *.
8134 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8137 * config/sh/lib1funcs.h: New file, broken out of:
8138 * config/sh/lib1funcs.asm.
8139 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8141 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8142 * config/sh/lib1funcs-Os-4-200.asm: New file.
8143 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8144 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8145 (EXTRA_MULTILIB_PARTS): Include it.
8146 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8147 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8148 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8149 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8152 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8154 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8155 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8156 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8158 * tree-ssa-live.h: Include vecprim.h.
8159 (tree_partition_associator_d): Change the type of
8160 first_partition to VEC(int,heap) *.
8161 (tpa_first_partition): Use VEC instead of VARRAY.
8163 * Makefile.in (GTFILES): Move functions.h after tree.h.
8164 * function.c (reset_block_changes, record_block_change,
8165 check_block_change, free_block_changes): Use VEC instead of
8167 * function.h (function): Change the type of
8168 ib_boundaries_block to VEC(tree,gc) *.
8169 * tree-inline.c (copy_cfg_body): Initialize
8170 ib_boundaries_block to NULL instead of (varray_type) 0.
8172 2006-04-12 Roger Sayle <roger@eyesopen.com>
8174 * expr.c (emit_group_store): Correct operand order in call to
8175 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8176 a SUBREG_BYTE of zero.
8178 2006-04-12 Richard Guenther <rguenther@suse.de>
8180 * profile.c (compute_branch_probabilities): Remove code
8181 encapsulated in !ir_type (), which are remanents of the
8182 removed RTL profiling code.
8183 * rtl-profile.c: Remove.
8185 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8187 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8188 magic NULL_RTX comment.
8189 (function_arg): Store entire fp arg to mem if any part should go
8191 (rs6000_arg_partial_bytes): Adjust for above change.
8193 2006-04-11 Roger Sayle <roger@eyesopen.com>
8195 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8196 if it hasn't been initialized by dwarf2out_init.
8198 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8200 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8201 symbolic constants in branch patterns.
8203 2006-04-11 Roger Sayle <roger@eyesopen.com>
8205 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8207 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8209 PR rtl-optimization/27073
8210 * gcse.c (try_replace_reg): Revert last change. Continue to search
8211 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8214 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8216 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8217 aggregate types other than record and union types.
8218 (function_arg): Likewise.
8219 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8221 (function_value): In 64-bit mode, return objects that require it
8224 2006-04-11 Roger Sayle <roger@eyesopen.com>
8226 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8228 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8230 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8232 2006-04-03 Jeff Law <law@redhat.com>
8235 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8236 alias information too.
8238 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8240 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8242 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8245 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8246 (premark_used_types_helper): New.
8247 (premark_used_types): New.
8248 (gen_subprogram_die): Call premark_used_types.
8249 (prune_unused_types_walk): Do not prune perennial dies.
8250 * function.c (used_types_insert): New.
8251 * function.h (struct function): Add used_types_hash field.
8252 (used_types_insert): Add prototype.
8253 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8254 * c-parser.c (c_parser_cast_expression): Save casted types in used
8257 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8260 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8261 rs6000_explicit_options.float_gprs.
8263 2006-04-10 Roger Sayle <roger@eyesopen.com>
8265 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8266 from ix86_expand_vector_init_low_nonzero. Take an additional
8267 one_var argument indicating which element is non-zero. Support
8268 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8269 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8270 with one_var instead of ix86_expand_vector_init_low_nonzero.
8272 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8274 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8275 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8276 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8277 build/genextract.o): Depend on vecprim.h.
8278 * cfglayout.c, df-problems.c, function.c, genextract.c,
8279 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8280 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8284 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8286 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8287 Declare VECs of this type.
8288 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8289 (remove_children): Delete.
8290 (add_dwarf_attr): Use VEC routines.
8291 (add_AT_flag): Update for changes to add_dwarf_attr.
8292 (add_AT_int): Likewise.
8293 (add_AT_unsigned): Likewise.
8294 (add_AT_long_long): Likewise.
8295 (add_AT_vec): Likewise.
8296 (add_AT_string): Likewise.
8297 (add_AT_die_ref): Likewise.
8298 (add_AT_fde_ref): Likewise.
8299 (add_AT_loc): Likewise.
8300 (add_AT_loc_list): Likewise.
8301 (add_AT_addr): Likewise.
8302 (add_AT_lbl_id): Likewise.
8303 (add_AT_lineptr): Likewise.
8304 (add_AT_macptr): Likewise.
8305 (add_AT_offset): Likewise.
8306 (add_AT_range_list): Likewise.
8307 (get_AT): Use VEC_iterate.
8308 (remove_AT): Use VEC_ordered_remove.
8309 (free_die): Fold remove_children into here; have it use VEC_iterate.
8310 (print_die): Use VEC_iterate on attrs.
8311 (reverse_die_lists): Don't reverse attr lists.
8312 (die_checksum): Use VEC_iterate on attrs.
8313 (same_die_p): Likewise.
8314 (output_location_lists): Likewise.
8315 (build_abbrev_table): Likewise.
8316 (size_of_die): Likewise.
8317 (unmark_all_dies): Likewise.
8318 (output_abbrev_section): Likewise.
8319 (output_die): Likewise.
8320 (prune_unused_types_walk_attribs): Likewise.
8322 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8324 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8326 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8329 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8331 2006-04-09 Roger Sayle <roger@eyesopen.com>
8333 * expr.c (store_constructor): Don't bother clearing target if
8334 we're about to assign a vector to it using vec_init_optab.
8336 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8338 * tree-ssa-alias.c (lhs_may_store_to): New function.
8339 (recalculate_used_alone): Handle LHS of calls.
8341 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8345 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8346 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8347 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8348 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8349 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8350 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8351 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8352 stubs. Add ".align 8" directives before all ".dword" directives.
8353 (GTHREAD_USE_WEAK): Revise comment.
8354 (TARGET_ATTRIBUTE_WEAK): Define.
8355 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8356 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8357 * stublib.c: New file.
8362 * pa.md (cbranch patterns): Revise arguments used in calls to
8363 output_cbranch, output_bb and output_bvd. Add long branch length
8365 (fbranch patterns): Handle long branches.
8366 (jump): Revise length check. Revise arguments for output_lbranch call.
8367 Add long branch length attributes.
8368 (decrement_and_branch_until_zero): Add long branch length attributes.
8369 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8370 Likewise. Revise arguments for output_parallel_addb and
8371 output_parallel_movb calls.
8372 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8373 output_parallel_movb and output_parallel_addb): Update prototypes.
8374 * pa.c (output_cbranch): Revise arguments. Correct handling of
8375 nullification in long branches.
8376 (output_lbranch): Add new argument to control extraction of delay
8378 (output_bb): Handle long branches.
8379 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8380 output_parallel_addb): Likewise.
8382 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8384 PR rtl-optimization/27073
8385 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8388 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8390 * tree.h (tree_memory_tag): Add old_used_alone.
8391 (SMT_OLD_USED_ALONE): New macro.
8392 * tree-ssa-alias.c (recalculate_used_alone): Stop
8393 marking things for renaming unnecessarily.
8395 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8397 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8398 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8399 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8400 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8401 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8402 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8403 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8404 spelling convensions.
8405 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8406 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8407 typos. Follow spelling conventions.
8409 2006-04-07 DJ Delorie <dj@redhat.com>
8411 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8412 passed on the stack.
8413 (m32c_init_cumulative_args): When a function returns a structure,
8414 always pass the pointer to that return area on the stack.
8415 (m32c_function_arg_advance): Don't increment the parameter number
8416 if we're processing the returned structure pointer.
8417 (pushm_info): Reverse order of registers.
8419 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8421 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8422 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8423 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8424 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8426 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8427 chrec_fold_multiply): Same.
8428 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8429 force_expr_to_var_cost): Same.
8430 * tree-mudflap.c (mf_xform_derefs_1): Same.
8431 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8433 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8435 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8436 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8439 2006-04-07 Jan Hubicka <jh@suse.cz>
8441 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8443 2006-04-07 Richard Guenther <rguenther@suse.de>
8445 PR tree-optimization/26135
8446 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8447 loads for store copy-prop.
8448 (copy_prop_visit_stmt): Likewise.
8450 2006-04-05 Robert Millan <robertmh@gnu.org>
8452 * config/i386/linux.h: Add a comment to mark macros that are
8453 being overriden in config/k*bsd-gnu.h.
8454 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8456 * config/knetbsd-gnu.h: Ditto.
8458 2006-04-06 Jan Hubicka <jh@suse.cz>
8462 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8465 2006-04-06 Mike Stump <mrs@apple.com>
8467 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8468 for HAVE_nonlocal_goto to be consistent.
8469 (expand_builtin_nonlocal_goto): Likewise.
8470 (expand_builtin_strcmp): Use #ifdef instead of #if
8471 for HAVE_cmpstrnsi to be consistent.
8473 2006-04-05 DJ Delorie <dj@redhat.com>
8475 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8478 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8480 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8481 got-relative addressing for anything but SImode.
8483 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8484 even if the calling function doesn't modify them.
8486 2006-04-05 Richard Guenther <rguenther@suse.de>
8488 PR tree-optimization/26919
8489 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8490 to cgraph_estimate_size_after_inlining.
8492 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8494 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8496 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8498 PR tree-optimization/26996
8499 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8500 VECTOR_TYPE variables.
8502 2006-04-05 Richard Guenther <rguenther@suse.de>
8504 PR tree-optimization/26763
8505 * fold-const.c (fold_comparison): Move folding of
8506 PTR + CST CMP PTR + CST ...
8507 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8509 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8511 * doc/install.texi (Prerequisites): Refine some wording on
8512 bootstrapping and ksh.
8513 Move the version numbers of DejaGnu here from the testing section
8514 and fix casing of names.
8515 Fix markup and clarify wording for autogen requirements.
8516 Refer to GCJ instead of just java.
8517 Refer to SVN instead of CVS.
8518 Describe diffutils as useful instead of necessary.
8519 (Downloading the source): Refer to SVN instead of CVS.
8520 Adjust a link to our web site accordingly.
8521 (Configuration): Fix casing of Bison.
8522 (Building): Refer to SVN instead of CVS.
8523 Fix a sentence on the use of Bison and remove duplicate (and
8524 incorrect) version number of Bison requirement.
8525 Remove one redundant list of packages needed for building.
8526 (Specific): Avoid reference to CVS.
8528 2006-04-04 Eric Christopher <echristo@apple.com>
8530 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8531 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8532 (rs6000_handle_struct_attribute): New.
8533 (rs6000_ms_bitfield_layout_p): Ditto.
8535 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8537 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8538 NULL for dso parameter to atexit_common.
8540 2006-04-04 Eric Christopher <echristo@apple.com>
8542 * config/i386/i386.c (machopic_output_stub): Output \t
8543 between instructions and operands.
8545 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8547 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8548 satisfies_constraint_[IL] to explicit tests on value.
8550 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8552 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8553 set_nb_iterations_in_loop): Use build_int_cst instead of
8555 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8556 build_int_cst instead of convert.
8558 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8560 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8561 new value 2 for incoming.
8562 * function.c (expand_function_start): Call struct_value_rtx
8564 * config/sparc/sparc.md: Comment updated_return.
8565 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8566 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8567 struct return if sparc_std_struct_return and incoming is 2.
8568 (print_operand): Do not adjust return if
8569 sparc_std_struct_return.
8571 2006-04-04 Roger Sayle <roger@eyesopen.com>
8573 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8574 convert in the middle-end.
8575 * expr.c (store_expr, store_constructor, get_inner_reference,
8576 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8578 * tree.c (build_range_type): Likewise.
8580 2006-04-04 Tom Tromey <tromey@redhat.com>
8582 * doc/install.texi (Prerequisites): Mention jar.
8584 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8586 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8589 2006-04-04 Matthias Klose <doko@debian.org>
8591 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8595 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8598 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8600 * doc/extend.texi (Function Attributes): Rewrite visibility
8601 attribute documentation.
8602 * doc/invoke.texi (C++ Dialect Options): Rewrite
8603 -fvisibility-inlines-hidden documentation to describe something
8604 entirely different, although in practise compatible.
8605 (Code Gen Options): Warn about system headers in -fvisibility=
8608 * doc/extend.texi (Other Builtins): Document that
8609 __builtin_nan is a compile-time constant only when its argument
8612 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8614 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8615 trying to remove TRUNCATE check if all bits outside the new mode
8616 are identical to the sign bit.
8618 2006-04-03 Jeff Law <law@redhat.com>
8620 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8621 and operand scanning in some common cases.
8623 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8624 Dale Johannesen <dalej@apple.com>
8627 * regclass.c (struct reg_pref): Update documentation.
8628 (regclass): Set prefclass to NO_REGS if memory is the best option.
8629 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8630 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8631 into account. For non-registers, equate an empty preferred
8632 reload class to a `!' in the constraint; move the if clause to
8633 do so after those that reject the insn.
8634 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8636 (find_dummy_reload): Likewise.
8637 * doc/tm.texi (Register Classes): Document what it means
8638 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8639 * config/i386/i386.c (ix86_preferred_reload_class): Force
8640 using SSE registers (and return NO_REGS for floating-point
8641 constants) if math is done with SSE.
8642 (ix86_preferred_output_reload_class): New.
8643 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8644 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8645 * config/i386/i386.md: Remove # register preferences.
8647 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8650 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8651 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8652 the type of nb_iter.
8653 (instantiate_parameters_1): Convert the operands before calling
8654 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8655 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8657 2006-04-02 Roger Sayle <roger@eyesopen.com>
8659 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8660 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8662 * dojump.c (do_jump): Likewise.
8663 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8664 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8665 gimplify_boolean_expr): Likewise.
8666 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8667 * varasm.c (array_size_for_constructor): Likewise.
8668 * tree-object-size.c (compute_object_offset): Likewise.
8670 2006-04-02 Roger Sayle <roger@eyesopen.com>
8673 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8674 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8676 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8678 PR tree-optimization/26939
8679 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8681 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8683 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8684 at_stmt. Convert the type of operands before calling
8685 build_polynomial_chrec.
8686 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8688 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8689 (instantiate_parameters_1): Convert the type of operands before calling
8690 build_polynomial_chrec.
8691 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8692 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8693 reset_evolution_in_loop): Insert asserts to check the types of the
8695 (chrec_type): Moved...
8696 (eq_evolutions_p): Use operand_equal_p.
8697 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8698 the types of the operands.
8699 (chrec_type): ...here.
8700 * tree-data-ref.c (create_data_ref): Convert the operands before
8701 calling chrec_replace_initial_condition.
8702 (same_access_functions, analyze_subscript_affine_affine,
8703 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8704 (compute_subscript_distance, analyze_ziv_subscript,
8705 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8706 analyze_miv_subscript): Convert the operands before calling
8707 chrec_fold_minus or chrec_fold_plus.
8709 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8711 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8712 the dependence_relations vector.
8713 (compute_data_dependences_for_loop): Adjust call to
8714 compute_all_dependences.
8716 2006-04-01 Roger Sayle <roger@eyesopen.com>
8717 Richard Henderson <rth@redhat.com>
8719 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8720 gimple_boolify on the condition before calling gimplify_expr.
8722 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8724 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8725 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8726 the frame size. Update to use the new macros.
8727 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8728 * config/xtensa/ieee754-df.S: Likewise.
8730 2006-03-31 Richard Henderson <rth@redhat.com>
8732 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8733 (make_edges): ... here. Control fallthru creation with a local
8734 variable. Do not play with fake edges.
8735 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8736 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8739 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8741 * dwarf2.h (DW64_CIE_ID): Define.
8742 * dwarf2out.c (DWARF_CIE_ID): Define.
8743 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8744 length header. Use DWARF_CIE_ID.
8745 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8746 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8748 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8750 * config/sh/linux-atomic.asm: New file.
8751 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8753 2006-03-31 DJ Delorie <dj@redhat.com>
8755 * config/m32c/cond.md: Set condition flags properly throughout.
8756 * config/m32c/minmax.md: Likewise.
8757 * config/m32c/prologue.md: Likewise.
8758 * config/m32c/bitops.md: Likewise.
8759 * config/m32c/muldiv.md: Likewise.
8760 * config/m32c/mov.md: Likewise.
8761 * config/m32c/addsub.md: Likewise.
8762 * config/m32c/m32c.md: Likewise.
8763 * config/m32c/jump.md: Likewise.
8764 * config/m32c/shift.md: Likewise.
8766 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8767 conditionally output the pattern for this.
8768 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8769 (m32c_compare_redundant): New.
8770 (m32c_output_compare): New.
8771 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8773 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8774 dest, not src. Allow other 4-byte modes.
8776 2006-03-30 Denis Chertykov <denisc@overta.ru>
8778 * doc/md.texi: Refer to avr/constraints.md instead of
8781 2006-03-30 Roger Sayle <roger@eyesopen.com>
8783 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8784 signed vs. unsigned comparison failures on some hosts.
8786 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8789 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8790 change to FLOAT_REGS.
8792 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8793 (rs6000_override_options): Use it.
8794 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8795 only for -mabi=spe/no-spe and -mabi=altivec.
8797 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8799 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8802 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8804 * Makefile.in: Rename docdir to gcc_docdir.
8806 2006-03-30 Roger Sayle <roger@eyesopen.com>
8809 * expr.c (emit_group_store): Optimize group stores into a pseudo
8810 register by using a paradoxical subreg to initialize the destination
8811 if the first or last member of the group specifies a "low part".
8813 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8816 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8817 * target.h (struct gcc_target.speculate_insn): Change type of the
8818 second parameter to 'int'.
8819 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8820 the second operand of the DEPS_LIST.
8821 (copy_DEPS_LIST_list): Update reference to the second operand of the
8823 * rtl.h (alloc_DEPS_LIST): Update signature.
8824 * sched-int.h (ds_t): Change typedef to 'int'.
8825 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8827 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8829 * haifa-sched.c (try_ready): Change condition to restore
8830 non-speculative pattern of the instruction.
8831 (process_insn_depend_be_in_spec): Code to keep probability of the
8832 speculative dependence non-decreasing.
8834 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8836 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8837 (single_move_for_movmem): ... this. Also change all uses.
8838 (bfin_expand_strmov): Renamed to...
8839 (bfin_expand_movmem): ... this. Also change all uses.
8840 * config/bfin/bfin.md (movstrsi): Renamed to...
8841 (movstrsi): ...this.
8843 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8845 PR tree-optimization/26830
8847 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8848 (copy_prop_visit_stmt): Remove write-only variable ann.
8849 (init_copy_prop): Check variable loop depth here. Do not simulate
8850 memory-tag and virtual operand PHIs except for store copy prop.
8852 2006-03-30 Richard Guenther <rguenther@suse.de>
8854 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8855 variants with double arguments.
8857 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8859 * genpreds.c (write_tm_constrs_h): Delete variable p.
8860 * genconditions.c (write_header): Add tm-constrs.h to included
8862 * genpeep.c (main): Add toplev.h to included headers.
8863 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8864 (build/genpeep.o): Add toplev.h dependency.
8865 * config/rs6000/constraints.md: Add "W" constraint.
8867 2006-03-29 Roger Sayle <roger@eyesopen.com>
8869 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8870 sizes by correctly testing whether the size fits a host integer.
8871 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8872 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8873 SImode range for the default sizetype and bitsizetype.
8875 2006-03-29 Roger Sayle <roger@eyesopen.com>
8877 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8878 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8879 quickly if the argument is already of the correct type.
8880 Call fold_build1 instead of build1. Tidy up blank lines.
8882 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8884 * genemit.c (main): Add tm-constrs.h to included headers.
8885 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8886 * genpeep.c (main): Add tm-constrs.h to included headers.
8887 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8888 (write_tm_constrs_h): this and write complete file.
8889 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8890 (write_insn_preds_c): Add tm-constrs.h to included headers.
8891 (gen_constrs): New variable.
8892 (parse_option): Parse "-c".
8893 (main): Invoke write_tm_constrs_h.
8894 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8895 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8896 (object_out_file): Add tm-constrs.h dependency.
8897 (insn-emit.o): Same.
8898 (insn-output.o): Same.
8899 (insn-peep.o): Same.
8900 (insn-preds.o): Same.
8901 (insn-recog.o): Same.
8902 (tm-constsr.h): New target.
8903 (s-constrs-h): New target.
8905 * config/rs6000/constraints.md: New file.
8906 * config/rs6000/rs6000.c: Include tm-constrs.h.
8907 (num_insn_constant_wide): Convert to satisfies_constraint.
8908 (rs6000_rtx_costs): Convert to satisfies_constraint.
8909 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8910 (CONST_OK_FOR_LETTER_P): Delete.
8911 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8912 (EXTRA_CONSTRAINT): Delete.
8913 (EXTRA_MEMORY_CONSTRAINT): Delete.
8914 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8915 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8916 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8917 satisfies_constraint.
8919 * config/i386/i386.c: Include tm-constrs.h.
8921 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8923 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8924 * tree-data-ref.c (find_data_references_in_loop,
8925 compute_data_dependences_for_loop): Use pointers to VEC.
8926 (analyze_all_data_dependences): Adjust calls.
8927 * tree-data-ref.h (find_data_references_in_loop,
8928 compute_data_dependences_for_loop): Adjust declarations.
8929 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8930 compute_data_dependences_for_loop.
8932 2006-03-29 Paul Brook <paul@codesourcery.com>
8934 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8937 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8939 PR tree-optimization/26859
8940 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8942 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8943 for the step after fold_convert.
8945 2006-03-29 Paul Brook <paul@codesourcery.com>
8947 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8948 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8950 2006-03-29 Paul Brook <paul@codesourcery.com>
8953 * targhooks.c (default_narrow_bitfield): New fuction.
8954 * targhooks.h (default_narrow_bitfield): add prototype.
8955 * target.h (gcc_target): Add narrow_volatile_bitfield.
8956 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8957 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8958 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8959 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8961 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8963 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8965 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8966 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8967 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8968 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8969 (s390_function_arg_float): Allow SDmode and DDmode values to be
8970 passed in floating point registers.
8971 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8972 check with SCALAR_FLOAT_MODE_P.
8973 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8975 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8977 PR tree-optimization/25985
8978 * tree-ssa-loop-niter.c (number_of_iterations_le,
8979 number_of_iterations_ne): Make comments more precise.
8980 (number_of_iterations_cond): Add only_exit argument. Use the
8981 fact that signed variables do not overflow only when only_exit
8983 (loop_only_exit_p): New.
8984 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8985 number_of_iterations_cond.
8987 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8989 PR tree-optimization/26643
8990 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8993 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8995 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8996 (divsi3_i4_int): Likewise.
8998 2006-03-28 Roger Sayle <roger@eyesopen.com>
9000 * expr.c (emit_group_store): Only create a new pseudo reg if the
9001 quantity it needs to hold isn't already a suitable pseudo.
9003 2006-03-28 Jeff Law <law@redhat.com>
9005 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9006 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9008 2006-03-28 Roger Sayle <roger@eyesopen.com>
9010 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9011 the equivalent ~X & Y, and the symmetry related transformations.
9012 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9013 ~X & Y, and symmetry related transforms.
9015 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9017 Revert my 2006-03-27 patches.
9019 2006-03-28 Roger Sayle <roger@eyesopen.com>
9021 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9022 ~(T1)X, when T1 and T2 are integer types of the same precision
9023 and (T2)X isn't an extension.
9025 2006-03-28 Jeff Law <law@redhat.com>
9027 PR tree-optimization/26796
9028 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9029 need EH edge cleanups rather than purging them immediately.
9030 (eliminate_degenerate_phis): Handle queued EH cleanups.
9032 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9034 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9037 2006-03-27 Roger Sayle <roger@eyesopen.com>
9040 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9041 cast BIT_NOT_EXPR operand to the correct type.
9043 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9045 * tree-loop-linear.c: Don't include varray.h.
9046 (gather_interchange_stats, try_interchange_loops,
9047 linear_transform_loops): Use VEC instead of VARRAY.
9048 * lambda-mat.c: Don't include varray.h.
9049 * tree-chrec.c: Same.
9050 * lambda-trans.c: Same.
9051 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9052 VEC instead of VARRAY.
9053 * tree-vectorizer.h: Idem.
9054 * tree-data-ref.c (dump_data_references,
9055 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9056 initialize_data_dependence_relation, finalize_ddr_dependent,
9057 compute_all_dependences, find_data_references_in_loop,
9058 compute_data_dependences_for_loop, analyze_all_data_dependences,
9059 free_dependence_relation, free_dependence_relations,
9060 free_data_refs): Idem.
9061 * tree-data-ref.h (data_reference_p, subscript_p): New.
9062 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9063 VEC instead of VARRAY.
9064 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9065 (find_data_references_in_loop, compute_data_dependences_for_loop,
9066 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9067 dump_data_dependence_relations, free_dependence_relations,
9068 free_data_refs): Adjust declaration.
9069 (lambda_transform_legal_p): Move declaration here...
9070 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9071 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9072 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9073 vect_analyze_data_refs): Use VEC instead of VARRAY.
9074 * lambda.h (lambda_transform_legal_p): ...from here.
9075 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9076 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9077 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9078 tree-chrec.o): Don't depend on VARRAY_H.
9080 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9082 * rtl.def (Copyright): Update date.
9083 (DEPS_LIST): Change type of the second operand to 'int'.
9084 * target.h (Copyright): Update date.
9085 (struct gcc_target.speculate_insn): Change type of the second parameter
9087 * lists.c (Copyright): Update date.
9088 (alloc_DEPS_LIST): Change signature. Update reference to the second
9089 operand of the DEPS_LIST.
9090 (copy_DEPS_LIST_list): Update reference to the second operand of the
9092 * rtl.h (Copyright): Update date.
9093 (alloc_DEPS_LIST): Update signature.
9094 * sched-int.h (Copyright): Update date.
9095 (ds_t): Change typedef to 'int'.
9096 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9098 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9100 * haifa-sched.c (Copyright): Update date.
9101 (try_ready): Change condition to restore non-speculative pattern
9103 (process_insn_depend_be_in_spec): Code to keep probability of the
9104 speculative dependence non-decreasing.
9106 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9108 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9109 shut up the compiler.
9111 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9113 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9114 to use lib prefix for target.
9115 ($(T)libic_invalidate_array_4-200.a): Likewise.
9116 ($(T)libic_invalidate_array_4a.a): Likewise.
9118 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9119 J"orn Rennecke <joern.rennecke@st.com>
9121 * superh.opt: New file.
9122 * sh.c (boardtype, osruntime): Remove.
9123 * superh.h (SUBTARGET_OPTIONS): Remove.
9124 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9126 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9127 arguments with ^ and/or [].
9129 * config.gcc (sh-*-*): Add quoting to account for quirk of
9131 Replace == with = in enable_incomplete_targets test.
9133 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9134 with MASK_LITTLE_ENDIAN.
9136 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9137 * config/sh/sh.opt: Added to some comments.
9138 * config/sh/superh.h: Removed some chaff.
9140 * config/sh/sh.opt: Add m4-[1234]00* options.
9141 * config/sh/sh.c (sh_handle_option): Likewise.
9142 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9143 (ic_invalidate_array_4-100.o): New rule.
9144 ($(T)libic_invalidate_array_4-100.a): Likewise.
9145 (ic_invalidate_array_4-200.o): Likewise.
9146 ($(T)libic_invalidate_array_4-200.a): Likewise.
9147 (ic_invalidate_array_4a.o): Likewise.
9148 ($(T)libic_invalidate_array_4a.a): Likewise.
9149 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9150 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9152 * config/sh/crt1.asm: Merged in profiling code.
9153 * config/sh/superh.h (STARTFILE_SPEC): Override.
9154 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9155 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9156 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9158 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9159 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9160 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9162 * sh.opt (mpretend-cmove): New option.
9163 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9164 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9165 (movsicc): Add TARGET_PRETEND_CMOVE code.
9167 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9169 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9170 s390_class_max_nregs): New function prototypes.
9171 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9172 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9173 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9174 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9176 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9178 * dwarf2out.c (add_location_or_const_value_attribute): Call
9179 tree_add_const_value_attribute if nothing else works.
9180 (reference_to_unused): New.
9181 (rtl_for_decl_init): Use reference_to_unused to decide whether
9182 to output an initializer.
9184 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9187 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9188 peephole removing spe frob_di_df_2.
9190 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9192 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9193 (subscript_dependence_tester_1): Declared.
9194 (print_dir_vectors, print_dist_vectors): New.
9195 (debug_data_dependence_relation): New.
9196 (dump_data_dependence_relation): Print more details.
9197 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9198 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9199 (save_dist_v, save_dir_v, add_outer_distances,
9200 build_classic_dist_vector_1): New.
9201 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9202 Don't test for lambda_vector_lexico_pos.
9203 (same_access_functions, add_multivariate_self_dist,
9204 add_other_self_distances, dir_from_dist): New.
9205 (build_classic_dir_vector): Replace implementation almost identical to
9206 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9208 (subscript_dependence_tester_1): New.
9209 (subscript_dependence_tester): Handle the lexicographically negative
9210 distance vectors by recomputing the dependence relation.
9211 (compute_affine_dependence): Remove parameter loop_nest_depth.
9212 (compute_self_dependence): Don't call compute_subscript_distance.
9213 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9214 Add a parameter for the loop_nest.
9215 (find_loop_nest_1, find_loop_nest): New.
9216 (compute_data_dependences_for_loop): Compute the loop nest, and give
9217 up if the nest is not well formed.
9218 * tree-data-ref.h (loop_p): New.
9219 (struct data_dependence_relation): Replace size_vect field with
9220 loop_nest, a vec of loops.
9221 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9222 (DDR_LOOP_NEST): New.
9223 (print_dir_vectors, print_dist_vectors,
9224 debug_data_dependence_relation): Declared.
9225 (index_in_loop_nest): New.
9226 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9227 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9230 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9232 * simplify-rtx.c (simplify_relational_operation): Call
9233 simplify_relational_operation_1 even if mode is VOIDmode.
9235 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9237 PR tree-optimization/26804
9238 * tree.h (DECL_CALL_CLOBBERED): New macro.
9239 (tree_decl_common): Add call_clobbered_flag.
9240 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9241 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9242 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9243 (mark_non_addressable): Ditto.
9244 * tree-ssa.c (verify_call_clobbered): New function.
9245 (verify_alias_info): Use it.
9246 * tree-pass.h (pass_reset_cc_flags): New prototype.
9247 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9248 (reset_cc_flags): New function.
9249 * passes.c (init_optimization_passes): Call reset_cc_flags after
9250 initializing referenced_vars.
9252 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9253 Roger Sayle <roger@eyesopen.com>
9256 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9257 to 1.0 for non-real operands. Implement A / A optimization for
9260 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9262 * config/i386/i386.c (size_cost): Correct the comment for
9263 cost of storing fp registers.
9264 (i386_cost): Likewise.
9265 (i486_cost): Likewise.
9266 (pentium_cost): Likewise.
9267 (pentiumpro_cost): Likewise.
9268 (k6_cost): Likewise.
9269 (athlon_cost): Likewise.
9270 (k8_cost): Likewise.
9271 (pentium4_cost): Likewise.
9272 (nocona_cost): Likewise.
9273 (generic64_cost): Likewise.
9274 (generic32_cost): Likewise.
9276 2006-03-24 Denis Chertykov <denisc@overta.ru>
9278 * config/avr/avr-protos.h (extra_constraint): Delete.
9279 (extra_constraint_Q): New declaration.
9280 * config/avr/constraints.md: New file.
9281 * config/avr/avr.md: Include it.
9282 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9283 (TMP_REGNO, ZERO_REGNO): Likewise.
9284 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9285 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9286 (extra_constraint): Delete.
9287 (extra_constraint_Q): Test for memory constraint 'Q'.
9288 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9289 (REG_CLASS_FROM_LETTER): Delete.
9290 (CONST_OK_FOR_LETTER_P): Delete.
9291 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9292 (EXTRA_CONSTRAINT): Delete.
9293 (TMP_REGNO): Delete.
9294 (ZERO_REGNO): Delete.
9296 2006-03-24 Jeff Law <law@redhat.com>
9298 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9299 directly. Call mark_new_vars_to_rename slightly earlier.
9301 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9303 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9305 (gen_compile_unit_die): Use new language types for Objective-C and
9307 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9308 DW_LANG_C_plus_plus.
9311 * config/t-darwin (crt3.o): Work around bug 26840.
9312 * config/darwin-crt3.c: Rewrite.
9313 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9315 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9317 * doc/invoke.texi: Document -femit-class-debug-always
9318 * common.opt: Add -femit-class-debug-always.
9320 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9322 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9323 index and base register.
9324 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9325 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9326 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9327 REGNO_OK_FOR_INDEX_P.
9328 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9330 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9331 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9332 REG_OK_FOR_BASE_P): Definitions removed.
9334 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9337 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9338 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9339 set yet or weren't marked as local yet.
9341 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9343 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9346 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9348 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9349 (rs6000_legitimate_small_data_p): Delete.
9350 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9351 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9352 and make static. Add forward declaration. Update uses.
9353 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9354 of offsettable_memref_p.
9355 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9356 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9358 2006-03-24 Jeff Law <law@redhat.com>
9360 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9361 around bug in immediate-use iterator.
9363 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9366 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9367 or __LITTLE_ENDIAN__.
9369 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9371 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9372 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9373 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9374 * config/sh/sh.opt (mdiv=): Amend description.
9375 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9376 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9377 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9378 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9379 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9380 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9381 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9382 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9383 TARGET_DIVIDE_CALL_FP.
9385 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9387 * haifa-sched.c (choose_ready): Fix type of the local variable.
9388 Move local variables. Add comment.
9389 (check_reg_live): Change signature. Make callable from debugger.
9390 * sched-int.h (check_reg_live): Update signature.
9391 * sched-ebb.c (check_reg_live): Update parameters.
9392 * sched-rgn.c (check_reg_live): Ditto.
9393 (region_head_or_leaf_p): Check pointer before dereferencing.
9394 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9395 before reload on optimization levels below 1.
9397 2006-03-23 Richard Henderson <rth@redhat.com>
9399 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9403 * config/alpha/predicates.md (local_symbolic_operand): Reject
9406 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9409 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9410 expressions which have overflowed constants.
9412 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9414 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9416 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9418 * cfgloopmanip.c (create_loop_notes): Removed.
9419 * final.c (final_scan_insn): Do not handle loop notes.
9420 * jump.c (squeeze_notes): Ditto.
9421 * cfglayout.c (skip_insns_after_block,
9422 duplicate_insn_chain): Ditto.
9423 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9425 * cfgloop.h (create_loop_notes): Declaration removed.
9427 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9429 * varasm.c (output_constant_pool): Restore fnname and fndecl
9431 (assemble_start_function): Adjust call accordingly.
9432 (assemble_end_function): Likewise.
9434 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9437 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9440 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9442 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9445 * system.h (ICE_EXIT_CODE): New macro.
9446 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9447 (diagnostic_action_after_output): Likewise.
9448 * gcc.c (fatal_ice): New function.
9449 (execute): Use it instead of fatal.
9450 (fancy_abort): Likewise.
9451 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9453 2006-03-22 Jeff Law <law@redhat.com>
9455 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9456 iv_analyze_result returning false.
9458 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9460 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9462 2006-03-22 Richard Henderson <rth@redhat.com>
9465 * except.c (duplicate_eh_regions_0): New.
9466 (duplicate_eh_region_1): Duplicate the children of the node as
9467 well as the node itself. Link them up properly.
9468 (duplicate_eh_region_2): Merge into ...
9469 (duplicate_eh_regions): ... here. Take copy_region argument, and
9470 copy only a sub-tree if asked. Simplify copying and fixup.
9471 (eh_region_outer_p): New.
9472 * except.h (duplicate_eh_regions): Update decl.
9473 (eh_region_outer_p): Declare.
9474 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9475 (lower_omp_master): Likewise.
9476 (lower_omp_ordered): Likewise.
9477 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9478 (move_stmt_r): Use it to remap labels. Handle recursion vs
9479 remap_decls_p properly.
9480 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9481 (find_outermost_region_in_block): New.
9482 (new_label_mapper): New.
9483 (move_sese_region_to_fn): Copy eh information to the new function
9485 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9487 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9490 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9492 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9493 into shared libraries.
9495 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9497 * doc/md.texi: Refer to i386/constraints.md instead of
9499 * config/i386/constraints.md: New file, extracted from...
9500 * config/i386/predicates.md: ...here.
9501 * config/i386/i386.md: Include constraints.md.
9503 2006-03-21 Jason Merrill <jason@redhat.com>
9505 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9508 * expr.c (init_block_move_fn): Force default visibility.
9509 (init_block_clear_fn): Likewise.
9510 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9511 * targhooks.c (default_external_stack_protect_fail): Likewise.
9513 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9515 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9516 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9517 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9518 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9519 (loadgp): Use mips_current_loadgp_style.
9520 (loadgp_noshared): New pattern.
9521 (sibcall_internal): Use MIPS_CALL.
9522 (sibcall_value_internal): Likewise.
9523 (sibcall_value_multiple_internal): Likewise.
9524 (call_internal): Likewise.
9525 (call_value_internal): Likewise.
9526 (call_value_multiple_internal): Likewise.
9527 (call_split): Use MIPS_CALL and add an 'S' constraint.
9528 (call_value_split): Likewise.
9529 (call_value_multiple_split): Likewise.
9530 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9531 (-mshared): New option.
9532 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9533 (mips_current_loadgp_style): Declare.
9534 * config/mips/mips.c (mips_classify_symbol): Avoid using
9535 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9536 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9537 TARGET_ABSOLUTE_ABICALLS.
9538 (override_options): Adjust comments. Improve the warning that is
9539 issued when -mabicalls and -G are used together.
9540 (mips_file_start): Remove comment.
9541 (mips_current_loadgp_style): New function.
9542 (mips_gnu_local_gp): New variable.
9543 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9545 (mips_output_function_prologue): Use mips_current_laodgp_style.
9546 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9547 the cprestore instruction.
9548 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9549 live for TARGET_ABSOLUTE_ABICALLS.
9550 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9551 (ASM_SPEC): Pass down -mshared and -mno-shared.
9552 (MIPS_CALL): New macro.
9553 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9555 * doc/invoke.texi (-mabicalls): Update documentation.
9556 (-mshared): Document.
9558 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9560 * config/ia64/unwind-hpux.c: New file.
9561 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9563 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9566 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9568 2006-03-21 Jeff Law <law@redhat.com>
9570 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9571 type conversions of a VR_VARYING source to a wider type.
9573 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9575 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9576 tm_file on Solaris 10 and later.
9577 (sparc64-*-solaris2*): Likewise.
9578 (sparc-*-solaris2*): Likewise.
9579 * config/sol26.h: Rename to config/sol2-6.h.
9580 * config/sol2-10.h: New file.
9582 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9585 * tree-ssa-pre.c (create_component_ref_by_pieces):
9588 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9591 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9592 return it immediately.
9594 2006-03-21 Michael Matz <matz@suse.de>
9596 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9598 (remove_arc, add_arc): Update num_out_arcs member.
9599 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9601 (cache_presence): New function.
9602 (compare_states_for_equiv): New function.
9603 (state_is_differed): Don't take number of outargs, adjust callers.
9604 Use new invariant for speeding up.
9605 (init_equiv_class): Create initial classes based on sorted
9607 (partition_equiv_class): Don't track out_arcs_num.
9608 (evaluate_equiv_classes): Call cache_presence on all states and
9611 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9613 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9614 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9615 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9616 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9618 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9619 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9620 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9621 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9622 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9624 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9625 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9626 (REGNO_REG_CLASS): ARGP is in PREGS.
9627 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9629 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9630 to deal with those addresses.
9631 * addresses.h: New file.
9632 * caller-save.c: Include "addresses.h".
9633 (init_caller_save): Use new base_reg_class function.
9634 * rtl-factoring.c: Include "addresses.h".
9635 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9636 * recog.c: Include "addresses.h".
9637 (preprocess_constraints): Use new base_reg_class function.
9638 * regrename.c: Include "addresses.h".
9639 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9640 functions. Keep track of a new var INDEX_CODE to compute valid
9642 (replace_oldest_value_addr): Likewise.
9643 (replace_oldest_value_mem): Use base_reg_class.
9644 * reload.c: Include "addresses.h".
9645 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9646 (find_reloads): Use new base_reg_class function.
9647 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9648 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9649 all callers and prototype changed.
9650 * reload1.c: Include "addresses.h".
9651 (maybe_fix_stack_asms): Use base_reg_class.
9652 * regclass.c: Include "addresses.h".
9653 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9654 (init_reg_autoinc): Use new base_reg_class function.
9655 (record_reg_classes): Likewise.
9656 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9657 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9658 Use new args to compute necessary class.
9660 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9661 regrename.o, rtl-factoring.o): Update dependencies.
9662 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9663 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9664 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9665 REG_OK_FOR_INDEX_P): Delete documentation.
9667 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9669 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9670 from V7 to V9 for Solaris 7 and above.
9672 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9674 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9675 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9676 argument pointers may not alias any other storage.
9677 * common.opt: Define option -fargument-noalias-anything.
9678 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9679 alias semantics is specified by flag_argument_noalias > 2.
9681 2006-03-20 Jeff Law <law@redhat.com>
9683 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9684 (pass_phi_only_cprop): Declare.
9685 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9687 * tree-ssa-dom.c (degenerate_phi_result): New function.
9688 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9689 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9690 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9691 (eliminate_degenerate_phis): Likewise.
9692 (pass_phi_only_cprop): New pass descriptor.
9693 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9694 support code. Callers updated.
9695 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9696 (store_copy_prop): Likewise.
9697 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9699 2006-03-20 Jason Merrill <jason@redhat.com>
9702 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9703 (push_visibility, pop_visibility): Likewise.
9704 * c-pragma.h: Declare them.
9706 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9708 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9710 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9711 parameter and use get_ebb_head_tail.
9712 (sh_md_init_global): Adjust uses of find_regmode_weight.
9714 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9716 * function.h (struct function) <x_tail_recursion_reentry>:
9717 Rename to x_stack_check_probe_note.
9718 (tail_recursion_reentry): Rename to stack_check_probe_note.
9719 * function.c: Replace tail_recursion_reentry with
9720 stack_check_probe_note everywhere.
9721 (expand_function_start): Only emit a note for
9722 stack_check_probe_note with -fstack-protect.
9723 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9725 * emit-rtl.c (remove_unnecessary_notes): Remove.
9726 (pass_remove_unnecessary_notes): Remove.
9727 * rtl.h (remove_unnecessary_notes): Remove prototype.
9728 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9729 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9730 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9732 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9735 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9736 (valid_in_set): Handle ARRAY_REF.
9737 Change "if min_variant or VH" to asserts.
9738 (create_component_ref_by_pieces): Handle ARRAY_REF.
9739 (create_expression_by_pieces): Likewise.
9740 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9742 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9744 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9745 is operand of switch, not str[0].
9747 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9749 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9750 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9752 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9754 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9755 end of insn_extra_address_constraint declaration.
9757 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9759 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9760 (no-sum-in-toc): Same.
9761 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9763 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9764 NO_FP_IN_TOC for -fPIC instead of mask.
9766 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9767 (BOOT_LDFLAGS): Delete.
9769 * config/rs6000/t-aix52: Same.
9771 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9772 (stmsi[345678]_power): New.
9774 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9776 * config/ia64/ia64.opt: Add empty line to end of file.
9778 2006-03-17 Richard Guenther <rguenther@suse.de>
9781 * builtins.c (get_pointer_alignment): For component style references
9782 adjust alignment to the component type alignment. Make sure
9783 to adjust alignment for component access of constants.
9785 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9787 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9790 2006-03-17 Paul Brook <paul@codesourcery.com>
9792 * doc/install.texi: Docuemnt --with-mode.
9793 * config.gcc: Add --with-mode for arm*-*-*.
9794 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9796 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9798 * sh.c (max_labelno_before_reorg): New variable.
9799 (sh_reorg): Initialize it.
9800 (find_barrier): Check max_labelno_before_reorg before using
9801 label_to_alignment. Take length of explicit alignment insns
9802 into account. When seeing a UNSPECV_CONST_END, return it.
9804 * sh.c (fixup_mova): Set mode of affected label to QImode.
9805 (untangle_mova): New function.
9806 (find_barrier): Use it. Check mode of label before decrementing
9808 (sh_reorg): Likewise.
9809 Set mode of all insns back to VOIDmode.
9811 * sh.c (MOVA_LABELREF): New macro.
9812 (mova_p, fixup_mova, sh_reorg): Use it.
9813 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9814 ADDR_DIFF_VEC matches mova.
9816 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9818 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9819 with ATTRIBUTE_UNUSED.
9821 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9823 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9824 pointer, instead of assuming it is possible to derive the
9825 correct args size from a call insn.
9827 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9829 * rtl.h (CONST_INT_P): Define.
9830 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9831 instead of GET_CODE(x) == CONST_INT.
9832 (vax_rtx_costs): Likewise.
9833 (vax_output_int_move): Likewise.
9834 (vax_output_int_add): Likewise.
9835 (legitimate_constant_address_p): Likewise.
9836 (index_term_p): Likewise.
9837 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9838 * config/vax/vax.md (and<mode>3): Likewise.
9839 (ashrsi3): Likewise.
9841 (movstricthi): Likewise.
9842 (movstrictqi): Likewise.
9843 (rotrsi3): Likewise.
9844 (five unnamed insns): Likewise.
9846 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9848 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9849 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9850 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9851 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9852 Pass to ASM_OUTPUT_DWARF_OFFSET.
9853 * dwarf2out.c (debug_frame_section): New.
9854 (output_call_frame_info): Use debug_frame_section. Pass it to
9855 dw2_asm_output_offset.
9856 (output_die): Pass appropriate section to dw2_asm_output_offset.
9857 (output_compilation_unit_header): Likewise.
9858 (output_pubnames): Likewise.
9859 (output_aranges): Likewise.
9860 (enum dw_val_class): Break dw_val_class_lbl_offset into
9861 dw_val_class_lineptr and dw_val_class_macptr.
9862 (add_AT_lbl_offset): Delete.
9863 (add_AT_lineptr): New.
9864 (add_AT_macptr): New.
9865 (AT_lbl): Expect a lineptr or macptr.
9866 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9867 (attr_checksum): Likewise.
9868 (same_dw_val_p): Likewise.
9869 (size_of_die): Likewise.
9870 (value_format): Likewise.
9871 (output_die): Likewise.
9872 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9874 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9875 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9876 * config/darwin-protos.h (darwin_file_start): New.
9877 (darwin_asm_output_dwarf_offset): New.
9878 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9879 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9881 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9882 if not EH section; simplify.
9883 (darwin_file_start): New.
9884 (darwin_asm_output_dwarf_offset): New.
9885 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9887 (DEBUG_INFO_SECTION): Likewise.
9888 (DEBUG_ABBREV_SECTION): Likewise.
9889 (DEBUG_ARANGES_SECTION): Likewise.
9890 (DEBUG_MACINFO_SECTION): Likewise.
9891 (DEBUG_LINE_SECTION): Likewise.
9892 (DEBUG_LOC_SECTION): Likewise.
9893 (DEBUG_PUBNAMES_SECTION): Likewise.
9894 (DEBUG_STR_SECTION): Likewise.
9895 (DEBUG_RANGES_SECTION): Likewise.
9896 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9897 (ASM_OUTPUT_DWARF_OFFSET): New.
9899 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9901 * config.gcc (tm_defines): Always add to previous value rather
9904 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9906 * config/mips/predicates.md (splittable_const_int_operand): New,
9907 split from move_operand.
9908 (splittable_symbolic_operand): New.
9909 (move_operand): Add commentary. Use splittable_const_int_operand.
9910 Inline mips_atomic_symbolic_constant_p.
9911 * config/mips/mips.md: Add combine splitters for handling moves
9912 of splittable_const_int_operands and splittable_symbolic_operands.
9913 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9914 (mips_split_symbol): Declare.
9915 (mips_move_integer): Declare.
9916 * config/mips/mips.c (mips_split_p): Make global.
9917 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9918 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9919 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9920 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9921 (mips_offset_within_object_p): Handle block symbols.
9922 (mips_atomic_symbolic_constant_p): Delete.
9923 (mips_cannot_force_const_mem): Return false for constants that
9924 mips_legitimize_move can handle.
9925 (mips_use_blocks_for_constant_p): New function.
9926 (mips_split_symbol): Make global.
9927 (mips_move_integer): Likewise. Add a temporary register argument.
9928 (mips_legitimize_const_move): Use splittable_const_int_operand and
9929 splittable_symbolic_operand.
9930 (mips_use_anchors_for_symbol_p): New function.
9931 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9932 (mips_split_p): Declare.
9934 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9936 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9937 (mips*-*-linux*): Likewise.
9939 2006-03-16 Roger Sayle <roger@eyesopen.com>
9940 Daniel Speyer <dspeyer@wam.umd.edu>
9943 * tree-dump.c (dump_real): New function.
9944 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9945 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9946 (tree-dump.o): Add $(REAL_H) to the dependencies.
9948 2006-03-16 Roger Sayle <roger@eyesopen.com>
9951 * real.c (real_from_string): If the mantissa is zero, don't bother
9952 parsing the exponent as the result should always be zero.
9954 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9956 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9958 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9960 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9961 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9962 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9963 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9964 ia64_sched_finish_global): New static functions to implement
9965 hooks from gcc_target.sched.
9966 (spec_check_no, max_uid, pending_data_specs): New static variables.
9967 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9968 ia64_spec_check_src_p): New static functions.
9969 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9970 (TARGET_SCHED_ADJUST_COST): Removed.
9971 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9972 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9973 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9974 TARGET_SCHED_GEN_CHECK,
9975 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9976 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9977 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9978 Fixed to handle speculation checks.
9979 (rtx_needs_barrier): Fixed to handle speculative loads and
9981 (ia64_variable_issue): Added code to count speculative loads and their
9983 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9985 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9987 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9989 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9990 (ia64_reorg): Reset stops_p to NULL after it is freed.
9991 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9992 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9993 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9995 (data_speculative, control_speculative, check_load): New attributes.
9996 (mov<mode>_advanced, mov<mode>_speculative,
9997 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9998 zero_extend<mode>di2_speculative,
9999 zero_extend<mode>di2_speculative_advanced): New patterns for
10000 data and control speculative loads.
10001 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10003 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10004 New pattern for data and control speculation checks.
10005 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10006 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10007 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10008 Auxiliary definitions for the patterns.
10009 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10010 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10012 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10014 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10015 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10016 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10017 New resource constraints.
10018 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10020 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10021 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10022 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10023 msched-in-control-spec, msched-ldc, msched-control-ldc,
10024 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10025 msched-prefer-non-control-spec-insns,
10026 msched-count-spec-in-critical-path): New flags to tune speculative
10028 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10029 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10030 msched-in-control-spec, msched-ldc, msched-control-ldc,
10031 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10032 msched-prefer-non-control-spec-insns,
10033 msched-count-spec-in-critical-path): Document new flags.
10035 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10037 * target.h (struct spec_info_def): New opaque declaration.
10038 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10039 speculate_insn, needs_block_p, gen_check,
10040 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10041 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10042 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10043 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10044 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10045 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10047 (TARGET_SCHED): Use new macros.
10048 * rtl.h (copy_DEPS_LIST_list): New prototype.
10049 * sched-int.h (struct sched_info): Change signature of new_ready field,
10050 adjust all initializations. New fields: add_remove_insn,
10051 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10052 region_head_or_leaf_p.
10053 (struct spec_info_def): New structure declaration.
10054 (spec_info_t): New typedef.
10055 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10056 recovery_block, orig_pat.
10057 (glat_start, glat_end): New variables declaraions.
10058 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10060 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10061 DETACH_LIFE_INFO, USE_GLAT.
10062 (enum SPEC_SCHED_FLAGS): New enumeration.
10063 (NOTE_NOTE_BB_P): New macro.
10064 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10065 attach_life_info, debug_spec_status, check_reg_live): New functions.
10066 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10067 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10069 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10070 * ddg.c (get_block_head_tail): Adjust all uses.
10071 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10072 (sms_sched_info): Initialize new fields.
10073 (contributes_to_priority): Removed.
10074 * haifa-sched.c (params.h): New include.
10075 (get_block_head_tail): Adjust all uses.
10076 (ISSUE_POINTS): New macro.
10077 (glat_start, glat_end): New global variables.
10078 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10079 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10080 old_last_basic_block, before_recovery, current_sched_info_var,
10081 rgn_n_insns, luid): New static variables.
10082 (insn_cost1): New function. Move logic from insn_cost to here.
10083 (find_insn_reg_weight1): New function. Move logic from
10084 find_insn_reg_weight to here.
10085 (reemit_notes, move_insn, max_issue): Change signature.
10086 (move_insn1): Removed.
10087 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10088 extend_bb): New static functions to support extension of scheduler's
10090 (generate_recovery_code, process_insn_depend_be_in_spec,
10091 begin_speculative_block, add_to_speculative_block,
10092 init_before_recovery, create_recovery_block, create_check_block_twin,
10093 fix_recovery_deps): New static functions to support
10094 generation of recovery code.
10095 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10096 restore_bb_notes, move_block_after_check, move_succs): New static
10097 functions to support ebb scheduling.
10098 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10099 functions to support handling of register live information.
10100 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10101 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10102 add_jump_dependencies): New static functions.
10103 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10104 consistancy checking.
10105 (debug_spec_status): New function to call from debugger.
10106 (priority): Added code to handle speculation checks.
10107 (rank_for_schedule): Added code to distinguish speculative instructions.
10108 (schedule_insn): Added code to handle speculation checks.
10109 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10110 Fixed to handle ebbs.
10111 (move_insn): Added code to handle ebb scheduling.
10112 (max_issue): Added code to use ISSUE_POINTS of instructions.
10113 (choose_ready): Added code to choose between speculative and
10114 non-speculative instructions.
10115 (schedule_block): Added code to handle ebb scheduling and scheduling of
10116 speculative instructions.
10117 (sched_init): Initialize new variables.
10118 (sched_finish): Free new variables. Print statistics.
10119 (try_ready): Added code to handle speculative instructions.
10120 * lists.c (copy_DEPS_LIST_list): New function.
10121 * sched-deps.c (extend_dependency_caches): New function. Move logic
10122 from create_dependency_caches to here.
10123 (get_dep_weak, ds_merge): Make global.
10124 * genattr.c (main): Code to output prototype for
10125 dfa_clear_single_insn_cache.
10126 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10127 (output_dfa_clean_insn_cache_func): Code to output
10128 dfa_clear_single_insn_cache function.
10129 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10131 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10133 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10134 New static variables.
10135 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10136 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10138 (ebb_sched_info): Initialize new fields.
10139 (get_block_head_tail): Adjust all uses.
10140 (compute_jump_reg_dependencies): Fixed to use glat_start.
10141 (schedule_ebb): Code to remove unreachable last block.
10142 (schedule_ebbs): Added code to update register live information.
10143 * sched-rgn.c (region_sched_info): Initialize new fields.
10144 (get_block_head_tail): Adjust all uses.
10145 (last_was_jump): Removed. Adjust users.
10146 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10147 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10148 Implement new hooks.
10149 (check_dead_notes1): New static function.
10150 (struct region): New fields: dont_calc_deps, has_real_ebb.
10151 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10152 (BB_TO_BLOCK): Fixed to handle EBBs.
10153 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10154 (ebb_head): New static variable.
10155 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10156 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10158 (compute_dom_prob_ps): New assertion.
10159 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10160 global_live_at_start.
10161 (init_ready_list): New assertions.
10162 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10163 (new_ready): Add support for BEGIN_CONTROL speculation.
10164 (schedule_insns): Fixed code that updates register live information
10166 (schedule_region): Fixed to handle EBBs.
10167 (init_regions): Use extend_regions and check_dead_notes1.
10168 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10169 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10170 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10171 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10172 TARGET_SCHED_GEN_CHECK,
10173 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10174 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10175 * doc/invoke.texi (max-sched-insn-conflict-delay,
10176 sched-spec-prob-cutoff): Document.
10178 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10180 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10181 inter_tick, queue_index.
10182 (struct sched_info): Change signature of init_ready_list field.
10183 Adjust all initializations.
10184 (RESOLVED_DEPS): New access macro.
10185 (ready_add): Remove prototype.
10186 (try_ready): Add prototype.
10187 * sched-rgn.c (init_ready_list): Use try_ready.
10188 (schedule_region): Initialize
10189 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10190 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10191 (init_ready_list): Use try_ready.
10192 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10193 * lists.c (remove_list_elem): Remove `static'.
10194 (remove_free_INSN_LIST_elem): New function.
10195 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10196 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10197 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10199 (readyp): New variable.
10200 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10201 change_queue_index, resolve_dep): New static functions.
10202 (try_ready): New function. Adjust callers in sched-rgn.c and
10203 sched-ebb.c to use it instead of ready_add.
10204 (clock_var): Move at the begining of file.
10205 (rank_for_schedule): Fix typo.
10206 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10207 (ready_lastpos): Enforce assertion.
10208 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10209 update all callers.
10210 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10211 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10212 (queue_to_ready): Use free_INSN_LIST_list.
10213 (early_queue_to_ready): Fix typo.
10214 (schedule_block): Init readyp. Move init_ready_list call after the
10215 initialization of clock_var. Fix error in rejecting insn by
10216 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10217 that previously corrected INSN_TICKs. Add code for handling
10219 (set_priorities): Fix typo.
10220 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10221 Clarify comment and code that keeps current_sched_info->next_tail
10224 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10226 * sched-rgn.c (extend_rgns): New static function.
10227 (find_rgns): Use it.
10228 (gather_region_statistics, print_region_statistics): New static
10230 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10231 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10233 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10234 Andrey Belevantsev <abel@ispras.ru>
10236 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10237 * lists.c (unused_deps_list): New variable.
10238 (free_list): Add assertions to verify the proper distinguishing
10239 between INSN_LISTs and DEPS_LISTs.
10240 (find_list_elem, remove_list_elem, remove_list_node): New static
10242 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10243 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10244 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10245 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10247 (free_INSN_LIST_node): Likewise.
10248 * modulo-sched.c (current_sched_info): Initialize flags field.
10249 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10250 * rtl.def (DEPS_LIST): Define.
10251 * rtl.h: Declare new functions from lists.c.
10252 * sched-deps.c (spec_dependency_cache): New static variable.
10253 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10254 (add_dependence): Change return type to void. Move the logic to ...
10255 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10256 (delete_all_dependences): Add comment about forward_dependency_cache.
10257 Handle spec_dependency_cache. Handle DEPS_LISTs.
10258 (fixup_sched_groups): Clarify the change of priority of output
10259 and anti dependencies.
10260 (sched_analyze_2): Adjust add_dependence calls to create data
10261 speculative dependence.
10262 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10263 Adjust all callers. Handle DEPS_LISTS.
10264 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10265 presence of speculation.
10266 (init_dependency_caches, free_dependency_caches):
10267 Handle spec_dependency_cache.
10268 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10269 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10270 New static functions.
10271 (add_or_update_back_dep, add_or_update_back_forw_dep,
10272 add_back_forw_dep, delete_back_forw_dep): New functions.
10273 * sched-int.h (ds_t, dw_t): New typedefs.
10274 (struct sched_info): Add new field flags.
10275 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10276 Prototype new sched-deps.c functions.
10277 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10278 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10279 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10280 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10281 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10282 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10284 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10286 * sched-rgn.c (current_sched_info): Initialize flags field.
10287 (schedule_insns): Initialize current_sched_info before the sched_init
10289 * sched-ebb.c (current_sched_info): Initialize flags field.
10290 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10291 Call add_or_update_back_dep instead of add_dependence.
10292 Create control speculative dependencies.
10293 (schedule_insns): Initialize current_sched_info before the sched_init
10296 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10298 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10300 (sh_fallback_frame_state): Likewise.
10302 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10304 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10305 Do switch on default_use_cxa_atexit.
10306 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10307 * config/darwin-crt3.o: New.
10308 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10309 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10310 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10312 * config/rs6000/t-darwin: Move crt2.o building to here.
10313 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10314 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10317 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10319 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10320 from '! xxx' to '!xxx' for coding-style conformance.
10321 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10322 (EXTRA_CONSTRAINT): Likewise.
10323 * config/vax/vax.md (four unnamed insns): Likewise.
10325 2006-03-15 Paul Brook <paul@codesourcery.com>
10327 * config/arm/arm.c (minipool_pad): New.
10328 (add_minipool_forward_ref): Include pool alignment padding in address
10330 (push_minipool_fix): Set minipool_pad.
10331 (minipool_pad): Ditto.
10333 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10335 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10336 instead of GET_CODE() == MEM and REG_P() instead of
10338 (print_operand_address): Likewise.
10339 (vax_address_cost): Likewise.
10340 (vax_rtx_costs): Likewise.
10341 (vax_notice_update_cc): Likewise.
10342 (vax_output_int_add): Likewise.
10343 (INDEX_REGISTER_P): Likewise.
10344 (BASE_REGISTER_P): Likewise.
10345 (nonindexed_address_p): Likewise.
10346 (vax_mode_dependent_address_p): Likewise.
10347 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10348 (PRINT_OPERAND): Likewise.
10349 * config/vax/vax.md (ashlsi3): Likewise.
10350 (ashlsi3): Likewise.
10351 (some more unnamed insns): Likewise.
10353 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10355 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10356 iterator-style macro.
10357 (mark_control_dependent_edges_necessary): Update the use of
10358 EXECUTE_IF_CONTROL_DEPENDENT.
10360 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10362 * config/sh/predicates.md (cache_address_operand): Special.
10363 (ua_address_operand): Likewise.
10365 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10367 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10369 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10371 2006-03-15 Andreas Schwab <schwab@suse.de>
10373 * gensupport.c (identify_predicable_attribute): Don't free p_false
10374 when it is still in use.
10376 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10378 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10379 the default setting here.
10381 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10383 * tree-pass.h (pass_cfg): Remove.
10384 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10385 * passes.c (pass_cfg): Don't run it.
10387 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10389 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10390 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10392 (stack_regs_mentioned): Update the uses of
10393 stack_regs_mentioned_data. Don't access the array beyond its
10395 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10396 Don't include gt-reg-stack.h.
10398 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10399 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10401 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10403 PR middle-end/26684
10404 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10407 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10409 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10411 2006-03-14 Richard Guenther <rguenther@suse.de>
10413 PR tree-optimization/26672
10414 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10417 2006-03-14 Richard Guenther <rguenther@suse.de>
10419 PR tree-optimization/26667
10420 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10421 node for the callees. Always allow inlining if it will shrink
10424 2006-03-14 Richard Guenther <rguenther@suse.de>
10426 PR middle-end/26659
10427 * builtins.c (get_pointer_alignment): Prefer alignment
10428 information from decls over that from types.
10430 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10433 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10435 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10437 * config/rs6000/rs6000.opt (mdlmzb): New option.
10438 (msched-prolog, msched-epilog): Use Var not Mask.
10439 * doc/invoke.texi (-mdlmzb): Document.
10440 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10442 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10443 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10445 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10447 PR rtl-optimization/25739
10448 * bt-load.c (augment_live_range): Free tos pointer.
10450 * gensupport.c (identify_predicable_attribute): Free
10452 * gcov.c (create_file_names): Free name pointer.
10454 2006-03-13 Roger Sayle <roger@eyesopen.com>
10456 PR middle-end/26557
10457 * stmt.c (emit_case_nodes): Handle the case where the index is a
10458 CONST_INT, where the comparison mode is specified by the index type.
10460 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10462 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10465 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10467 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10468 (*branch_fp_inverted): Likewise.
10470 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10472 PR middle-end/25989
10473 * omp-low.c (expand_omp_for_generic): Mark istart0
10474 and iend0 as addressable.
10476 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10478 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10480 2006-03-13 Jeff Law <law@redhat.com>
10482 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10483 virtual operands are interesting.
10484 (vrp_visit_stmt): Corresponding changes.
10486 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10488 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10490 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10491 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10492 * config/bfin/crti.S: Use it instead of __PIC__.
10493 * config/bfin/crtn.S: Likewise.
10495 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10496 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10498 Lose 'G' modifier for call operand.
10499 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10500 recognize 'G' modifier.
10502 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10504 PR middle-end/18859
10505 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10506 * stmt.c (expand_case): Likewise.
10508 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10510 PR rtl-optimization/26254
10511 * loop-invariant.c (seq_insns_valid_p): New function.
10512 (move_invariant_reg): Only emit new code if it is valid.
10514 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10516 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10518 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10519 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10520 (commit_one_edge_insertion): Do not look for loop notes.
10522 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10524 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10525 flag_test_coverage out of loop.
10527 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10529 * final.c (shorten_branches): Remove outdated comment, and turn
10530 the if branch that guards it to continue.
10532 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10534 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10535 * cfgloop.h (struct loop): Remove unused fields.
10537 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10539 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10540 (-dL, -fdump-rtl-loop2): Update the dump file names
10542 * doc/invoke.texi: Update dump file names.
10544 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10546 * predict.c (estimate_probability): Remove.
10547 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10548 * basic-block.h (estimate_probability): Remove prototype.
10549 * passes.c (finish_optimization_passes): Dump branch prediction or
10550 profiling heuristics to the .profile tree dump.
10551 (init_optimization_passes): Unqueue pass_branch_prob.
10553 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10555 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10557 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10558 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10560 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10562 * function.h (frame_offset_overflow): Declare.
10563 * function.c (frame_offset_overflow): New function.
10564 (assign_stack_local_1): Call it to detect that the offset overflows.
10565 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10567 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10569 * config/sh/sh.c: Include alloc-pool.h.
10570 (label_ref_list_pool): New alloc pool.
10571 (label_ref_list_t): New type for lists of labels.
10572 (struct pool_node): Make wend a label_ref_list_t.
10573 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10575 (dump_table): Likewise.
10576 (sh_reorg): Set up the alloc pool before using add_constant and
10577 dump_table, and destroy it when finishing.
10579 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10581 * config/mips/mips.c: Remove redundant comment.
10583 2006-03-10 Jason Merrill <jason@redhat.com>
10586 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10587 the target was declared 'register'.
10589 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10591 * genpreds.c (write_insn_constraint_len): Change definition of
10592 insn_constraint_len to return size_t to match the declaration.
10594 2006-03-10 DJ Delorie <dj@redhat.com>
10596 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10598 (m32c_expand_insv): Fix test for an AND mask.
10600 2006-03-10 Richard Guenther <rguenther@suse.de>
10602 PR middle-end/26565
10603 * builtins.c (get_pointer_alignment): Handle component
10604 references for field alignment.
10606 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10608 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10609 when building with libgloss.
10610 (sh*elf): Implement --without-fp option.
10611 (sh64-superh-linux*): Don't multilib.
10613 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10615 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10617 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10619 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10620 Set it when one of the replacement functions returned true.
10621 Return TODO_cleanup_cfg if cfgchanged is true.
10622 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10624 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10626 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10627 instead of gen_lowpart.
10629 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10631 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10633 (mips_output_order_conditional_branch): Declare.
10634 * config/mips/mips.h (MIPS_BRANCH): New macro.
10635 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10636 for the comparison. Use gen_condjump.
10637 (mips_output_conditional_branch): Rework interface to take the
10638 asm templates for a direct branch and the inverse of a direct branch.
10639 (mips_output_order_conditional_branch): New function.
10640 (mips_builtin_branch_and_move): New function.
10641 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10642 branch condition. Use gen_single_cc as the condition for
10643 __builtin_mips_upper_* or __builtin_mips_lower_*.
10644 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10645 Use VOIDmode for the branch condition.
10646 * config/mips/predicates.md (order_operator): New predicate.
10647 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10648 (branch_fp): Rename to...
10649 (*branch_fp): ...this. Remove mode from comparison operator.
10650 Use new mips_output_conditional_branch interface.
10651 (branch_fp_inverted): Rename to...
10652 (*branch_fp_inverted): ...this and update as for *branch_fp.
10653 (*branch_zero<mode>): Rename to...
10654 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10655 Use mips_output_order_conditional_branch. Only accept ordered
10657 (*branch_zero<mode>_inverted): Rename to...
10658 (*branch_order<mode>_inverted): ...this and update as for
10659 *branch_order<mode>.
10660 (*branch_equality<mode>): Accept zero as the second operand to
10661 the equality operator. Use the new mips_output_conditional_branch
10663 (*branch_equality<mode>_inverted): Likewise.
10664 (condjump): New expander.
10665 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10667 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10668 (bc1any2t, bc1any2f): Likewise.
10669 (single_cc): New expander.
10670 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10672 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10674 * doc/md.texi: Update documentation of MIPS constraints.
10675 * config/mips/constraints.md: New file.
10676 * config/mips/mips.md: Include it.
10677 * config/mips/mips.c (mips_char_to_class): Delete.
10678 (override_options): Don't initialize mips_char_to_class.
10679 * config/mips/mips.h (mips_char_to_class): Delete.
10680 (REG_CLASS_FROM_LETTER): Delete.
10681 (CONST_OK_FOR_LETTER_P): Delete.
10682 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10683 (EXTRA_CONSTRAINT_Y): Delete.
10684 (EXTRA_CONSTRAINT_STR): Delete.
10685 (CONSTRAINT_LEN): Delete.
10686 (EXTRA_MEMORY_CONSTRAINT): Delete.
10688 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10690 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10691 original fn's eh regions.
10693 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10695 * fold-const.c (build_range_check): Make sure to use a valid type to
10696 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10699 (range_predecessor): New static function.
10700 (range_successor): Likewise.
10701 (merge_ranges): Use them to compute predecessors and successors of
10704 2006-03-09 Roger Sayle <roger@eyesopen.com>
10706 PR middle-end/26561
10707 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10708 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10710 2006-03-08 DJ Delorie <dj@redhat.com>
10712 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10713 (addpsi3): Expand to include memory operands. Remove
10714 reload-specific splits.
10715 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10716 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10717 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10718 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10719 (shift1_qi, shift1_hi, insv): New.
10720 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10721 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10722 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10724 * config/m32c/m32c-protos.h: Update as needed.
10725 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10726 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10727 Fail for unrecognized R* constraints.
10728 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10729 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10730 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10732 (m32c_init_libfuncs): New.
10733 (m32c_legitimate_address_p): Add debug wrapper.
10734 (m32c_rtx_costs): New.
10735 (m32c_address_cost): New.
10736 (conversions): Add 'B' prefix.
10737 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10738 operands, or word regnames for QI operands. 'B' prints bit
10740 (m32c_expand_setmemhi): New.
10741 (m32c_expand_movmemhi): New.
10742 (m32c_expand_movstr): New.
10743 (m32c_expand_cmpstr): New.
10744 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10745 (m32c_expand_neg_mulpsi3): Handle non-ints.
10746 (m32c_cmp_flg_0): New.
10747 (m32c_expand_movcc): New.
10748 (m32c_expand_insv): New.
10749 (m32c_scc_pattern): New.
10750 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10751 a0/a1 out of SIregs.
10752 (STORE_FLAG_VALUE): New.
10753 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10756 * config/m32c/mov.md: Make constraints more liberal.
10757 (zero_extendqihi2): Optimize r0/r1 case.
10758 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10759 * config/m32c/predicates.md (m32c_any_operand): New.
10760 (m32c_nonimmediate_operand): New.
10761 (m32c_hl_operand): New.
10762 (m32c_r3_operand): New.
10765 (memsym_operand): New.
10766 (memimmed_operand): New.
10767 (a_qi_operand): New.
10768 (m32c_eqne_operator): New.
10769 (m32c_1bit8_operand): New.
10770 (m32c_1bit16_operand): New.
10771 (m32c_1mask8_operand): New.
10772 (m32c_1mask16_operand): New.
10773 * config/m32c/blkmov.md: New file.
10774 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10776 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10778 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10779 unsigned to fix signed/unsigned comparison issue in
10780 DWARF2_FRAME_REG_OUT.
10781 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10782 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10784 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10785 of ptr into the ENABLE_CHECKING section.
10787 2006-03-08 Jeff Law <law@redhat.com>
10789 * tree-vrp.c (infer_value_range): Only count pointer uses
10790 and dereferences if -fdelete-null-pointer-checks is enabled.
10792 * tree-vrp.c (find_assert_locations): Infer value ranges for
10793 single use pointers, but do not create ASSERT_EXPRs for them.
10794 When a non-null range is inferred for a pointer, backwards
10795 propagate that range to other equivalent pointers through the
10798 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10801 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10802 language hook targets.
10803 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10804 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10805 if language hook targets were missing.
10807 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10809 * tree-ssa-opfinalize.h: Removed.
10810 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10812 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10813 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10814 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10815 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10816 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10817 finalize_ssa_v_must_def_ops): New.
10819 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10821 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10822 block as parameter.
10824 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10826 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10828 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10829 addresses with offsets; reorganize.
10831 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10832 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10833 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10835 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10838 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10840 2006-03-08 Ben Elliston <bje@au.ibm.com>
10842 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10844 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10847 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10850 2006-03-07 Richard Guenther <rguenther@suse.de>
10852 PR tree-optimization/26587
10853 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10855 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10857 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10859 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10861 * hooks.c (hook_bool_mode_rtx_true): New function.
10862 * hooks.h (hook_bool_mode_rtx_true): Declare.
10863 * toplev.c (compile_file): Call output_shared_constant_pool.
10864 * varasm.c (shared_constant_pool): New variable.
10865 (assemble_start_function, assemble_end_function): Remove arguments
10866 from call to output_constant_pool.
10867 (create_constant_pool): New function, split out from...
10868 (init_varasm_status): ...here.
10869 (force_const_mem): Choose between the shared and per-function constant
10870 pools. Set current_function_uses_const_pool when reusing old entries
10871 as well as when creating new ones.
10872 (mark_constant): Ignore data argument.
10873 (mark_constants): Remove pool argument.
10874 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10875 to decide whether the function uses a constant pool.
10876 (output_constant_pool_contents): New function, split out from...
10877 (output_constant_pool): ...here.
10878 (output_shared_constant_pool): New function.
10879 (init_varasm_once): Initialize shared_constant_pool.
10880 * output.h (output_constant_pool): Delete.
10881 (output_shared_constant_pool): Declare.
10882 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10883 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10885 2006-03-06 Nick Clifton <nickc@redhat.com>
10887 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10888 flag_strength_reduce.
10890 2006-03-06 Ben Elliston <bje@au.ibm.com>
10892 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10893 x86_64-*-linux* configurations.
10895 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10896 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10898 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10900 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10902 * basic-block.h: Remove the extern for
10903 rediscover_loops_after_threading.
10905 * cfgloop.c (cancel_loop): Make it static.
10906 * cfgloop.h: Remove the prototype for cancel_loop.
10908 * flow.c (recompute_reg_usage): Make it static.
10909 * rtl.h: Remove the prototype for recompute_reg_usage.
10911 * function.c (use_return_register): Make it static.
10912 * function.h: Remove the prototype.
10914 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10916 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10918 * recog.h: Remove the prototype for
10919 validate_change_maybe_volatile.
10921 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10923 * rtlanal.c (replace_reg): Remove.
10924 * rtl.h: Remove the prototype for replace_reg.
10926 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10928 * regclass.c (reg_scan_update): Remove.
10929 (reg_scan_mark_refs): Remove the last argument.
10930 * rtl.h: Remove the prototype for reg_scan_update.
10932 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10934 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10935 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10936 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10937 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10938 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10939 loop-invariant.c, omp-low.c, opts.c, passes.c,
10940 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10941 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10942 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10943 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10944 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10945 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10947 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10949 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10950 * dwarf2out.h: Remove the prototype for
10951 dwarf2out_add_library_unit_info.
10953 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10955 * tree.c (add_var_to_bind_expr): Remove.
10956 * tree.h: Remove the prototype for add_var_to_bind_expr.
10958 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10960 * regclass.c (n_non_fixed_regs): Remove.
10961 (init_reg_sets_1, globalize_reg): Remove all uses of
10963 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10965 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10967 * rtlanal.c (insns_safe_to_move_p): Remove.
10968 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10970 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10972 * expmed.c (expand_mult_add): Remove.
10973 * expr.h: Remove the prototype for expand_mult_add.
10975 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10977 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10978 and REG_SAVED_VAL_EXP constants.
10979 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10980 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10981 Handle regs stored by value.
10982 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10983 (execute_cfa_program): Handle DW_CFA_val_offset,
10984 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10985 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10986 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10987 (uw_install_context_1): Handle target regs stored by value.
10989 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10991 * tree-sra.c (tree_sra): Return todoflags;
10992 (generate_one_element): Set TODO_update_smt_usage if needed.
10993 (pass_sra): Remove TODO_update_smt_usage.
10994 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10996 (tree_ssa_forward_propagate_single_use_vars): Return
10997 TODO_update_smt_usage if we need to update SMT usage.
10998 (pass_forwprop): Remove TODO_update_smt_usage.
11000 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11002 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11003 (correct_use_link): Remove reference to get_stmt_operands.
11004 (update_stmt_operands): Likewise.
11005 (get_modify_expr_operands): New function factored out of
11006 parse_ssa_operands and get_expr_operands.
11007 Try to create V_MUST_DEFs for LHS by default.
11008 (get_expr_operands) <case MODIFY_EXPR>: Call
11009 get_modify_expr_operands.
11010 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11011 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11012 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11013 get_modify_expr_operands.
11015 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11017 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11018 * tree-flow.h: Remove the prototype for
11019 referenced_var_lookup_if_exists.
11021 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11023 PR rtl-optimization/26345
11025 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11027 2006-03-03 Roger Sayle <roger@eyesopen.com>
11029 PR tree-optimization/26524
11030 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11031 fold_convert to create a constant of the appropriate type.
11033 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11035 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11036 SYMBOL_REF_IN_BLOCK_P.
11037 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11038 of SYMBOL_FLAG_IN_BLOCK.
11039 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11040 instead of SYMBOL_REF_IN_BLOCK_P.
11041 * explow.c (use_anchored_address): Likewise.
11042 * rtl.c (rtx_size): Likewise.
11043 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11044 instead of SYMBOL_FLAG_IN_BLOCK.
11045 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11046 SYMBOL_REF_IN_BLOCK_P.
11047 (assemble_variable): Likewise.
11048 (output_constant_def_contents): Likewise.
11049 (output_constant_pool): Likewise.
11050 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11051 instead of SYMBOL_FLAG_IN_BLOCK.
11052 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11053 SYMBOL_REF_IN_BLOCK_P.
11054 (SYMBOL_REF_BLOCK): Likewise.
11055 (SYMBOL_REF_OFFSET): Likewise.
11056 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11057 SYMBOL_REF_IN_BLOCK_P.
11058 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11059 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11060 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11061 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11063 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11065 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11067 2006-03-02 Roger Sayle <roger@eyesopen.com>
11069 * simplify-rtx.c (simplify_unary_operation): When simplifying
11070 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11071 that we perform the right shift in the appropriate mode, and
11072 then extend or truncate the result to requested mode.
11074 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11076 * gengtype.c (main): Handle double_int type.
11077 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11078 * double-int.c: New file.
11079 * double-int.h: New file.
11080 * system.h: Include doubleint.h.
11081 * Makefile.in (SYSTEM_H): Include double-int.h.
11082 (double-int.o): Add.
11084 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11087 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11090 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11092 * tree-vrp.c (remove_range_assertions): Do not update statements
11095 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11097 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11099 * gcse.c (rest_of_handle_gcse): Ditto.
11100 * except.c (gate_handle_eh): Ditto.
11101 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11102 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11104 2006-03-02 Eric Christopher <echristo@apple.com>
11106 * config/i386/i386.c (machopic_output_stub): Add indirection to
11109 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11113 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11115 Sun Niagara specific optimizations.
11116 * config.gcc: Recognize niagara as target.
11117 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11118 (TARGET_CPU_niagara): Define.
11119 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11120 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11121 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11122 (ASM_CPU_SPEC): Likewise.
11123 (PROCESSOR_NIAGARA): New enum entry.
11124 (REGISTER_MOVE_COST): Handle Niagara.
11125 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11126 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11127 (sparc_override_options): Recognize "niagara", set appropriate
11128 default MASK_* values for it, and align functions to 32-bytes
11129 by default just like ULTRASPARC/ULTRASPARC3.
11130 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11131 (sparc64_initialize_trampoline): Likewise.
11132 (sparc_use_sched_lookahead): Use zero for niagara.
11133 (sparc_issue_rate): Use one for niagara.
11134 * config/sparc/niagara.md: New file.
11135 * config/sparc/sparc.md: Include it.
11136 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11137 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11138 when default cpu is niagara.
11139 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11140 (ASM_CPU_SPEC): Likewise.
11141 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11142 when default cpu is niagara.
11143 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11144 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11145 just like v9/ultrasparc/ultrasparc3.
11146 * doc/invoke.texi: Add documentation for "niagara" and improve
11147 existing documentation for ultrasparc variants.
11149 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11151 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11153 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11155 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11156 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11157 and say that only one is needed.
11158 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11159 * target.h (have_switchable_bss_sections): New hook.
11160 * explow.c (use_anchored_address): Check that the symbol is in a block.
11161 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11162 (bss_noswitch_section): New variables.
11163 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11164 (get_noswitch_section): New function.
11165 (get_block_for_section): Allow SECT to be null.
11166 (unlikely_text_section_p): Use SECTION_STYLE.
11167 (bss_initializer_p): New function.
11168 (get_variable_section): Move earlier in file. Take a new argument,
11169 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11170 Return one of the new *_sections in such cases.
11171 (get_block_for_decl): New function, extracting some logic from
11172 use_blocks_for_decl_p.
11173 (change_symbol_section): Remove in favor of...
11174 (change_symbol_block): ...this new function.
11175 (use_blocks_for_decl_p): Remove checks now performed by
11176 get_block_for_decl.
11177 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11178 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11179 (emit_local, emit_bss, emit_common): ...these new functions.
11180 Return true if the alignment was honored.
11181 (emit_tls_common): New function.
11182 (asm_emit_uninitialised): Delete.
11183 (assemble_variable_noswitch): New function, split out from...
11184 (assemble_variable): ...here. Don't make decisions about common
11185 variables here. Globalize all public decls that go into non-common
11186 sections. Check whether SYMBOL_REF_BLOCK is null.
11187 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11188 (output_constant_pool): Likewise.
11189 (init_varasm_once): Initialize the new section variables.
11190 (have_global_bss_p): New function.
11191 (categorize_decl_for_section): Use bss_initializer_p.
11192 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11193 (place_block_symbol): Assert that the symbol must be in a block.
11194 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11195 (TARGET_INITIALIZER): Include it.
11196 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11197 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11198 (SECTION_MACH_DEP): Bump by two.
11199 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11200 (unnamed_section): Mention SECTION_UNNAMED in comment.
11201 (named_section): Likewise SECTION_NAMED.
11202 (noswitch_section_callback): New type.
11203 (noswitch_section): New structure.
11204 (section): Add a noswitch_section alternative.
11205 (SECTION_STYLE): New macro.
11206 (tls_comm_section, comm_section, lcomm_section): Declare.
11207 (bss_noswitch_section, have_global_bss_p): Declare.
11208 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11209 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11211 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11212 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11215 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11217 * tree-vrp.c (execute_vrp): Return value.
11218 * regrename.c (rest_of_handle_regrename): Ditto.
11219 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11220 * tree-complex.c (tree_lower_complex): Ditto.
11221 (tree_lower_complex_O0): Ditto.
11222 * tracer.c (rest_of_handle_tracer): Ditto.
11223 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11224 * postreload.c (rest_of_handle_postreload): Ditto.
11225 * tree-tailcall.c (execute_tail_recursion): Ditto.
11226 (execute_tail_calls): Ditto.
11227 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11228 * tree.h (init_function_for_compilation): Ditto.
11229 * ipa-cp.c (ipcp_driver): Ditto.
11230 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11231 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11232 * final.c (compute_alignments): Ditto.
11233 (rest_of_handle_final): Ditto.
11234 (rest_of_handle_shorten_branches): Ditto.
11235 (rest_of_clean_state): Ditto.
11236 * omp-low.c (execute_expand_omp): Ditto.
11237 (execute_lower_omp): Ditto.
11238 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11239 * ipa-reference.c (static_execute): Ditto.
11240 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11241 * reorg.c (rest_of_handle_delay_slots): Ditto.
11242 (rest_of_handle_machine_reorg): Ditto.
11243 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11244 * flow.c (recompute_reg_usage): Ditto.
11245 (rest_of_handle_remove_death_notes): Ditto.
11246 (rest_of_handle_life): Ditto.
11247 (rest_of_handle_flow2): Ditto.
11248 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11249 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11250 (do_ssa_store_ccp): Ditto.
11251 (execute_fold_all_builtins): Ditto.
11252 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11253 * modulo-sched.c (rest_of_handle_sms): Ditto.
11254 * ipa-pure-const.c (static_execute): Ditto.
11255 * cse.c (rest_of_handle_cse): Ditto.
11256 (rest_of_handle_cse2): Ditto.
11257 * web.c (rest_of_handle_web): Ditto.
11258 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11259 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11260 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11261 * tree-nrv.c (tree_nrv): Ditto.
11262 (execute_return_slot_opt): Ditto.
11263 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11264 (create_structure_vars): Ditto.
11265 * loop-init.c (rtl_loop_init): Ditto.
11266 (rtl_loop_done): Ditto.
11267 (rtl_move_loop_invariants): Ditto.
11268 (rtl_unswitch): Ditto.
11269 (rtl_unroll_and_peel_loops): Ditto.
11270 (rtl_doloop): Ditto.
11271 * gimple-low.c (lower_function_body): Ditto.
11272 (mark_used_blocks): Ditto.
11273 * tree-ssa-sink.c (execute_sink_code): Ditto.
11274 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11275 (cgraph_early_inlining): Ditto.
11276 * global.c (rest_of_handle_global_alloc): Ditto.
11277 * jump.c (cleanup_barriers): Ditto.
11278 (purge_line_number_notes): Ditto.
11279 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11280 (rest_of_handle_if_after_reload): Ditto.
11281 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11282 (tree_ssa_loop_im): Ditto.
11283 (tree_ssa_loop_unswitch): Ditto.
11284 (tree_vectorize): Ditto.
11285 (tree_linear_transform): Ditto.
11286 (tree_ssa_loop_ivcanon): Ditto.
11287 (tree_ssa_empty_loop): Ditto.
11288 (tree_ssa_loop_bounds): Ditto.
11289 (tree_complete_unroll): Ditto.
11290 (tree_ssa_loop_prefetch): Ditto.
11291 (tree_ssa_loop_ivopts): Ditto.
11292 (tree_ssa_loop_done): Ditto.
11293 * predict.c (tree_estimate_probability): Ditto.
11294 * recog.c (split_all_insns_noflow): Ditto.
11295 (rest_of_handle_peephole2): Ditto.
11296 (rest_of_handle_split_all_insns): Ditto.
11297 * tree-eh.c (lower_eh_constructs): Ditto.
11298 * regmove.c (rest_of_handle_regmove): Ditto.
11299 (rest_of_handle_stack_adjustments): Ditto.
11300 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11301 * function.c (instantiate_virtual_regs): Ditto.
11302 (init_function_for_compilation): Ditto.
11303 (rest_of_handle_check_leaf_regs): Ditto.
11304 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11305 (rest_of_handle_gcse): Ditto.
11306 * ipa-type-escape.c (type_escape_execute): Ditto.
11307 * alias.c (rest_of_handle_cfg): Ditto.
11308 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11309 * profile.c (rest_of_handle_branch_prob): Ditto.
11310 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11311 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11312 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11313 * tree-dfa.c (find_referenced_vars): Ditto.
11314 * except.c (set_nothrow_function_flags): Ditto.
11315 (convert_to_eh_region_ranges): Ditto.
11316 (rest_of_handle_eh): Ditto.
11317 * emit-rtl.c (unshare_all_rtl): Ditto.
11318 (remove_unnecessary_notes): Ditto.
11319 * except.h (set_nothrow_function_flags): Ditto.
11320 (convert_to_eh_region_ranges): Ditto.
11321 * cfgexpand.c (tree_expand_cfg): Ditto.
11322 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11323 * tree-ssa-pre.c (do_pre): Ditto.
11324 (execute_fre): Ditto.
11325 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11326 (rest_of_handle_jump2): Ditto.
11327 * tree-sra.c (tree_sra): Ditto.
11328 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11329 (execute_mudflap_function_decls): Ditto.
11330 * tree-ssa-copy.c (do_copy_prop): Ditto.
11331 (do_store_copy_prop): Ditto.
11332 * ipa-prop.h (ipcp_driver): Ditto.
11333 * cfglayout.c (insn_locators_initialize): Ditto.
11334 * tree-ssa-forwprop.c
11335 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11336 * cfglayout.h (insn_locators_initialize): Ditto.
11337 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11338 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11339 (execute_late_warn_uninitialized): Ditto.
11340 * rtl.h (cleanup_barriers): Ditto.
11341 (split_all_insns_noflow): Ditto.
11342 (purge_line_number_notes): Ditto.
11343 (unshare_all_rtl): Ditto.
11344 (remove_unnecessary_notes): Ditto.
11345 (recompute_reg_usage): Ditto.
11346 (variable_tracking_main): Ditto.
11347 * integrate.c (emit_initial_value_sets): Ditto.
11348 * integrate.h (emit_initial_value_sets): Ditto.
11349 * tree-optimize.c (execute_free_datastructures): Ditto
11350 (execute_free_cfg_annotations): Ditto.
11351 (execute_fixup_cfg): Ditto.
11352 (execute_cleanup_cfg_pre_ipa): Ditto.
11353 (execute_cleanup_cfg_post_optimizing): Ditto.
11354 (execute_init_datastructures): Ditto.
11355 * tree-object-size.c (compute_object_sizes): Ditto.
11356 * combine.c (rest_of_handle_combine): Ditto.
11357 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11358 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11359 (rest_of_handle_reorder_blocks): Ditto.
11360 (rest_of_handle_partition_blocks): Ditto.
11361 * var-tracking.c (variable_tracking_main): Ditto.
11362 * tree-profile.c (tree_profiling): Ditto.
11363 * tree-vect-generic.c (expand_vector_operations): Ditto.
11364 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11365 * sched-rgn.c (rest_of_handle_sched): Ditto.
11366 (rest_of_handle_sched2): Ditto.
11367 * basic-block.h (free_bb_insn): Ditto.
11368 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11369 * tree-cfg.c (execute_build_cfg): Ditto.
11370 (remove_useless_stmts): Ditto.
11371 (split_critical_edges): Ditto.
11372 (execute_warn_function_return): Ditto.
11373 (execute_warn_function_noreturn): Ditto.
11374 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11375 * cfgrtl.c (free_bb_for_insn): Ditto.
11376 * passes.c (execute_one_pass): Run additional
11377 todos returned by execute function.
11378 * tree-pass.h (struct tree_opt_pass): Make execute
11381 2006-03-02 Richard Guenther <rguenther@suse.de>
11383 * tree-ssa-alias.c (find_used_portions): Consider taking
11384 the address as making the variable not write-only.
11386 2006-03-02 Nick Clifton <nickc@redhat.com>
11388 * config.gcc (default_use_cxa_atexit): Extend the description of
11389 this configure variable. Set its default value to "yes" for
11390 Linux, NetBSD and ELF targets on the assumption that they will
11391 use C libraries with the __cxa_atexit function.
11393 2006-03-02 Ben Elliston <bje@au.ibm.com>
11395 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11396 parameter as unused to suppress a build warning.
11398 2006-03-02 Ben Elliston <bje@au.ibm.com>
11400 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11403 2006-03-01 Roger Sayle <roger@eyesopen.com>
11406 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11407 declared name, the weak reference name, and the typeof name.
11408 (__gthrw): Avoid expanding the declared name suffix.
11409 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11411 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11413 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11415 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11416 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11417 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11418 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11419 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11420 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11421 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11422 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11423 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11424 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11425 (DW_END_default, DW_END_big, DW_END_little): New.
11426 (DW_END_lo_user, DW_END_hi_user): Define.
11427 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11428 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11429 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11432 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11434 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11436 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11438 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11440 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11442 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11443 to 'symbol_mem_tag'.
11445 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11448 2006-03-01 Roger Sayle <roger@eyesopen.com>
11450 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11452 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11455 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11456 MACHO_DYNAMIC_NO_PIC_P.
11457 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11459 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11462 * config/darwin-protos.h (darwin_asm_output_anchor):
11464 * config/darwin-sections.def (cstring_section):
11465 Add SECTION_MERGE to the flags.
11466 (literal4_section): Likewise.
11467 (literal8_section): Likewise.
11468 (objc_selector_refs_section): Likewise.
11469 (objc_cls_refs_section): Likewise.
11470 * config/darwin.c (darwin_asm_output_anchor): New
11472 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11474 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11476 Fix PR tree-optimization/26443
11477 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11478 to todo and PROP_tmt_usage to properties_destroyed.
11479 * tree-ssa-ccp.c (pass_ccp): Ditto.
11480 (pass_store_ccp): Ditto.
11481 * tree-ssa-dom.c (pass_dominator): Ditto.
11483 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11485 * tree-ssa-operands.c: Cleanup whitespace.
11486 (get_asm_expr_operands): Move before first invocation.
11487 (get_indirect_ref_operands): Likewise.
11488 (get_tmr_operands): Likewise.
11489 (get_call_expr_operands): Likewise.
11490 (append_def): Likewise.
11491 (append_use): Likewise.
11492 (append_v_may_def): Likewise.
11493 (append_v_must_def): Likewise.
11494 (add_call_clobber_ops): Likewise.
11495 (add_call_read_ops): Likewise.
11496 (add_stmt_operand): Likewise.
11497 (add_virtual_operand): Likewise.
11498 (build_ssa_operands): Likewise.
11500 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11502 PR middle-end/26022
11504 PR middle-end/24437
11505 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11506 with a call expr to ...
11507 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11509 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11511 * tree-vrp.c (extract_range_from_assert): Remove special
11512 handling for types with super-types.
11514 2006-03-01 Ben Elliston <bje@au.ibm.com>
11516 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11517 and powerpc64-*-linux* configurations.
11518 * config/t-dfprules: New file.
11520 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11521 Compile dfp-bit.c from the source directory using -DWIDTH and
11522 $DFP_CFLAGS to control the compilation of that file, rather than
11523 generating width-specific versions in the build directory.
11524 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11525 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11527 2006-02-28 Zack Weinberg <zackw@panix.com>
11529 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11532 2006-02-28 Eric Christopher <echristo@apple.com>
11534 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11535 Set up IN_LIBGCC definition of TARGET_64BIT.
11536 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11538 2006-02-28 Roger Sayle <roger@eyesopen.com>
11540 PR middle-end/14752
11541 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11542 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11543 cases via the construction of "expr != 0".
11545 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11547 * alias.c (alias_invariant, alias_invariant_size): Remove.
11548 (record_base_value): Remove.
11549 (memrefs_conflict_p): Don't look at alias_invariant.
11550 (end_alias_analysis): Don't free it.
11551 * alias.h (record_base_value): Remove prototype.
11553 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11554 Adam Nemet <anemet@caviumnetworks.com>
11556 * rtl.h (truncated_to_mode): Declare it.
11557 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11558 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11559 (RTL_HOOKS_INITIALIZER): Include it.
11560 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11561 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11562 reg_truncated_to_mode.
11563 * rtlanal.c (truncated_to_mode): Define it.
11564 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11566 2006-02-28 Jeff Law <law@redhat.com>
11568 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11569 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11570 the range allowed by TYPE_PRECISION.
11572 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11574 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11576 PR tree-optimization/26419
11577 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11580 2006-02-27 Zack Weinberg <zackw@panix.com>
11582 * doc/md.texi: Fix typo in previous change.
11584 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11588 2006-02-27 Zack Weinberg <zackw@panix.com>
11590 * rtl.def (define_constraint, define_register_constraint)
11591 (define_memory_constraint, define_address_constraint): New MD forms.
11592 * gensupport.c (process_rtx): Put define_constraint etc on the
11594 * genpreds.c (process_define_predicate): Adjust comment. Validate
11595 the name, and call validate_exp to validate the expression.
11596 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11597 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11598 all callers changed.
11599 (validate_exp, needs_variable, struct constraint_data)
11600 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11601 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11602 (const_dbl_constraints, constraint_max_namelen)
11603 (have_register_constraints, have_memory_constraints)
11604 (have_address_constraints, have_address_constraints)
11605 (have_extra_constraints, have_const_int_constraints)
11606 (have_const_dbl_constraints, mangle, add_constraint)
11607 (process_define_constraint, process_define_register_constraint)
11608 (write_enum_constraint_num, write_lookup_constraint)
11609 (write_insn_constraint_len, write_regclass_for_constraint)
11610 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11611 (write_insn_extra_memory_constraint)
11612 (write_insn_extra_address_constraint)
11613 (write_satisfies_constraint_fns): New.
11614 (write_tm_preds_h): If we have new-style constraint definitions,
11615 prototype the functions generated from them, and define the
11616 old constraint interface (still used by generic code) in terms of
11618 (write_insn_preds_c): If we have new-style constraint definitions,
11619 generate all relevant functions from those definitions.
11620 (main): Handle define_constraint etc.
11621 * genoutput.c (struct constraint_data, indep_constraints)
11622 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11623 (mdep_constraint_len): New data structures and functions, defined
11624 #ifdef USE_MD_CONSTRAINTS.
11625 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11626 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11627 use new logic to validate operand constraints against constraint
11629 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11631 * defaults.h: If none of the old-style constraint macros are
11632 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11633 old-style macros; and poison REG_CLASS_FROM_LETTER,
11634 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11636 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11637 * doc/md.texi: Document new constraint-definition mechanism and the
11638 C interface it provides. Remove references to old mechanism
11639 elsewhere in the document.
11640 (Machine Constraints): Use pathnames relative to gcc directory,
11641 i.e. config/ARCH/FILE. Change i386 section to refer to
11642 config/i386/predicates.md; update that section to match docstrings.
11643 * doc/tm.texi: Move all documentation of the old constraint-
11644 definition macros to their own section, clearly mark as obsolete.
11646 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11647 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11649 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11650 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11651 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11652 constraint strings.
11653 (splits and peepholes): Use satisfies_constraint_*.
11654 * config/i386/i386.c (memory_address_length)
11655 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11657 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11659 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11660 scalar operation to be put back into the loop.
11662 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11665 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11666 (extract_cie_info): Handle S flag in augmentation string.
11667 (execute_cfa_program): If context->signal_frame, execute also
11668 fs->pc == context->ra instructions.
11669 (uw_frame_state_for): If context->signal_frame, don't subtract one
11670 from context->ra to find FDE.
11671 (uw_update_context_1): Set context->signal_frame to
11673 (_Unwind_GetIPInfo): New function.
11674 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11675 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11677 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11678 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11679 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11680 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11681 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11682 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11683 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11684 x86_64_fallback_frame_state): Set fs->signal_frame.
11685 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11686 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11687 (frob_update_context): Likewise. Workaround missing S flag in
11688 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11689 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11690 Remove the psw_addr + 1 hack.
11692 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11694 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11695 with aggregates here.
11696 (find_func_aliases): Remove code for &<aggregate> from here.
11698 2006-02-26 Roger Sayle <roger@eyesopen.com>
11700 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11701 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11702 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11703 as (X & C) ne/eq 0.
11705 2006-02-26 Roger Sayle <roger@eyesopen.com>
11707 PR middle-end/19983
11708 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11710 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11712 * opts.c (decode_options): Do not handle flag_strength_reduce.
11713 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11714 and OPT_fstrength_reduce.
11715 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11716 flag_prefetch_loop_arrays for being nonzero.
11717 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11719 (fprefetch-loop-arrays-rtl): Removed.
11720 (flag_prefetch_loop_arrays): Do not specify the value.
11722 * doc/passes.texi: Update documentation of loop optimizer
11724 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11725 -frerun-loop-opt): Remove.
11727 2006-02-26 Richard Guenther <rguenther@suse.de>
11729 PR tree-optimization/26421
11730 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11731 in function calls that are ADDR_EXPRs as using the whole structure.
11733 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11735 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11736 * tree-pass.h (pass_loop_optimize): Remove.
11737 * passes.c (pass_loop_optimize): Never run it.
11738 * toplev.c (backend_init): Don't call init_loop.
11739 * opts.c (flag_loop_optimize_set): Remove.
11740 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11741 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11742 the old RTL loop optimizer when profiling enabled.
11743 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11744 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11745 pre-headers for the sake of the old RTL loop optimizer.
11746 * Makefile.in: Remove all references to loop.o.
11748 * doc/invoke.texi: Remove all references to -floop-optimize
11749 and -frerun-loop-opt.
11751 2006-02-26 Zack Weinberg <zackw@panix.com>
11753 * doc/md.texi (Machine Constraints): Refer to all files with paths
11754 relative to gcc directory (i.e. config/CPU/file). Add missing
11755 @table @code ... @end table to M32C subsection.
11757 2006-02-26 Roger Sayle <roger@eyesopen.com>
11759 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11761 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11763 2006-02-26 Roger Sayle <roger@eyesopen.com>
11764 James A. Morrison <phython@gcc.gnu.org>
11766 PR middle-end/21137
11767 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11768 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11769 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11770 signedness of the shift operation.
11772 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11774 PR tree-optimization/26359
11775 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11777 2006-02-25 Roger Sayle <roger@eyesopen.com>
11779 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11780 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11781 as X == 0, and some symmetry related transformations.
11782 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11784 2006-02-25 Roger Sayle <roger@eyesopen.com>
11786 PR middle-end/23673
11787 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11788 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11789 symmetry related transformations. Fold (X^C1) == C2 as
11792 2006-02-25 Juergen Weigert <jw@suse.de>
11793 Richard Guenther <rguenther@suse.de>
11795 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11797 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11799 * combine.c (gen_lowpart_or_truncate): Call
11800 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11802 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11804 * doc/invoke.texi: Move -fopenmp description to "Options for
11806 Remove reference to -lgomp.
11808 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11810 * doc/install.texi: Require GNU tar version 1.14.
11812 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11814 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11815 * doc/invoke.texi (C++ Dialect Options): Document
11816 -fno-use-cxa-get-exception-ptr.
11817 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11818 * configure: Regenerate.
11819 * c.opt (fuse-cxa-get-exception-ptr): New.
11820 * c-opts.c (c_common_handle_option): Handle
11821 OPT_fuse_cxa_get_exception_ptr.
11822 * c-common.c (flag_use_cxa_atexit): Update documentation.
11823 (flag_use_cxa_get_exception_ptr): New.
11824 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11825 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11827 (C_COMMON_OVERRIDE_OPTIONS): New.
11829 2006-02-24 Roger Sayle <roger@eyesopen.com>
11831 PR middle-end/24952
11832 * combine.c (try_combine): Explicitly check whether GET_CODE is
11833 a SET or a CLOBBER, instead on checking that it isn't a USE.
11835 2006-02-24 Roger Sayle <roger@eyesopen.com>
11837 * fold-const.c (fold_comparison): New subroutine of fold_binary
11838 containing transformations common to both the equality and
11839 ordering relational operators, factored out of fold_binary.
11840 (fold_binary): Separate out the equality operators (EQ_EXPR
11841 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11842 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11843 transformations common to both.
11844 (fold_div_compare): Fix latent bugs in the previously unreachable
11845 LT_EXPR and GE_EXPR cases.
11847 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11849 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11850 decl libname for clog to __clog on AIX.
11852 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11854 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11857 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11858 output traceback table for thunks. Localise rs6000_stack_info call.
11860 2006-02-23 Roger Sayle <roger@eyesopen.com>
11861 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11863 * gthr-posix.h (__gthrw): Fix typo in comment.
11865 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11867 * doc/cpp.texi (Character sets): Document that we do support
11868 input files to be in any character set.
11870 2006-02-23 Jeff Law <law@redhat.com>
11872 * tree.h (PHI_ARG_NONZERO): Remove.
11873 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11874 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11875 node to the new node.
11877 PR tree-optimization/26425
11878 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11879 min/max, then assume its varying.
11881 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11883 PR rtl-optimization/26316
11884 * rtlanal.c (enum may_trap_p_flags): New.
11885 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11886 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11887 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11888 (may_trap_after_code_motion_p): New function.
11889 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11890 (find_invariant_insn): Use may_trap_after_code_motion_p.
11891 * rtl.h (may_trap_after_code_motion_p): Declare.
11893 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11895 * emit-rtl.c (immed_double_const): Cleanup.
11897 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11899 Fix PR tree-optimization/26376
11900 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11903 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11905 PR middle-end/26412
11906 * gimplify.c (omp_add_variable): Guard variable size decl test with
11907 DECL_SIZE (decl) check.
11909 2006-02-23 Richard Guenther <rguenther@suse.de>
11911 PR middle-end/26439
11912 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11913 like aggregate types.
11915 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11917 * configure.ac: Add --with{,out}-long-double-128 configure option.
11918 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11919 * configure: Rebuilt.
11920 * config.in: Rebuilt.
11921 * doc/install.texi (Options specification): Document
11922 --with-long-double-128.
11924 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11925 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11926 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11927 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11929 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11931 * config/s390/s390.c (override_options): Handle
11932 TARGET_DEFAULT_LONG_DOUBLE_128.
11934 * config/alpha/alpha.c (override_options): Handle
11935 TARGET_DEFAULT_LONG_DOUBLE_128.
11937 * config/sparc/sparc.c (sparc_override_options): Handle
11938 TARGET_DEFAULT_LONG_DOUBLE_128.
11940 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11942 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11943 (real-install-headers-tar, real-install-headers-cpio)
11944 (real-install-headers-cp): New targets.
11946 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11948 * tree.h (variable_section): Delete.
11949 * varasm.c (variable_section): Delete.
11951 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11953 * install.texi: Add notes on install.texi2html.
11954 (Building in parallel): Do not use footnotes.
11956 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11959 * doc/install.texi (Configuration): Document --disable-libgomp.
11961 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11963 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11965 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11967 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11968 (vec_extractv2df_0_sse): New.
11970 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11972 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11973 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11974 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11975 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11976 to the result of the expression.
11977 (def_cfa_1): Adjust.
11978 (frame_pointer_cfa_offset): Rename to...
11979 (frame_pointer_fb_offset): ... this. Adjust all uses.
11980 (convert_cfa_to_loc_list): Rename to...
11981 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11982 Pass it on to build_cfa_loc.
11983 (compute_frame_pointer_to_cfa_displacement): Rename to...
11984 (compute_frame_pointer_to_fb_displacement): ... this. New
11985 offset parameter. Use it in computation.
11986 (gen_subprogram_die): Compute cfa_fb_offset with the new
11987 macro, and use it to compute the fb loc list and the
11990 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11992 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11993 replaced with register_operand.
11994 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11995 non-DREG is expensive.
11996 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11997 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12000 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12002 * doc/install.texi2html: Use set -e.
12004 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12006 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12007 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12008 * doc/invoke.texi (-fshared-data): Delete.
12009 * common.opt (fshared-data): Delete.
12010 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12011 (assemble_static_space): Remove #if 0 code.
12012 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12013 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12014 * config/cris/cris.h: Remove FIXME.
12016 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12018 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12021 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12023 PR middle-end/26379
12024 * combine.c (simplify_shift_const_1): Disable nested shifts
12025 optimization for vector shifts.
12027 2006-02-20 Roger Sayle <roger@eyesopen.com>
12029 PR tree-optimization/26361
12030 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12031 of unsigned integer types.
12033 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12035 * tree-chrec.c (eq_evolutions_p): New.
12036 * tree-chrec.h (eq_evolutions_p): Declared.
12037 * tree-data-ref.c: Fix formatting.
12038 (datadep_stats, dependence_stats): New.
12040 (print_direction_vector): New.
12041 (dump_data_dependence_relation): Use print_direction_vector.
12042 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12043 (compute_subscript_distance): Static.
12044 (initialize_data_dependence_relation): Static. Get the number
12045 of loops surrounding the references from the callers, and initialize
12046 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12047 base_object_differ_p analyzers.
12048 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12049 compute_overlap_steps_for_affine_1_2,
12050 analyze_subscript_affine_affine): Count the classified dependences.
12051 Print a message when a test failed.
12052 (can_use_analyze_subscript_affine_affine): New.
12053 (analyze_siv_subscript): Compute the data dependences on symbolic
12054 scevs that verify can_use_analyze_subscript_affine_affine.
12055 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12056 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12057 Handle symbolic scevs.
12058 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12060 (subscript_dependence_tester): Moved...
12061 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12062 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12063 DDR_SIZE_VECT instead of getting it in parameter.
12064 (subscript_dependence_tester): ... here. Take as a parameter
12065 loop_nest_depth. Call build_classic_dist_vector and
12066 build_classic_dir_vector.
12067 (compute_affine_dependence): Update subscript_dependence_tester
12068 parameters. Update datadep_stats counters. Call
12069 compute_subscript_distance.
12070 (compute_self_dependence): Save the dist and dir vectors. Call
12071 compute_subscript_distance.
12072 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12073 (compute_all_dependences): Reorder parameters as they were before
12074 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12075 compute_subscript_distance. Update the use of
12076 compute_affine_dependence and initialize_data_dependence_relation.
12077 (find_data_references_in_loop): Handle COMPONENT_REF.
12078 (compute_data_dependences_for_loop): Initialize dependence_stats.
12079 Don't call build_classic_dist_vector and build_classic_dir_vector.
12080 Update the parameters of initialize_data_dependence_relation and
12081 compute_all_dependences. Print the statistics from datadep_stats.
12082 (analyze_all_data_dependences): Static. Not used until the pass for
12083 checking the data dependences is contributed.
12084 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12085 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12086 (initialize_data_dependence_relation, compute_affine_dependence,
12087 analyze_all_data_dependences, compute_subscript_distance): Removed.
12088 (print_direction_vector): New.
12089 * lambda.h (gcd): ... here.
12090 (lambda_vector_gcd): Moved here from gcd_vector.
12091 * lambda-code.c (gcd, gcd_vector): Removed.
12092 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12093 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12095 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12097 * ipa-type-escape.c: Tidy some comments and white space.
12098 * tree-ssa-operands.c: Likewise.
12100 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12103 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12104 (dump_decl_name): Do not walk the decl tree chains.
12105 * tree-pass.h (TDF_CHAIN): Remove.
12107 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12109 * Makefile.in (C): Remove
12111 (.PHONY): Remove C and PROTO
12113 2006-02-20 Roger Sayle <roger@eyesopen.com>
12115 PR middle-end/26236
12116 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12117 deprecated CHAR_TYPE tree code.
12119 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12121 * configure.ac (target_list): Add install-info, dvi, html.
12122 * configure: Regenerate.
12124 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12125 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12126 treelang/Make-lang.in: Do not use double-colon rules.
12128 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12130 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12131 (TMT_USED_ALONE): New macro.
12132 * tree-pass.h (PROP_tmt_usage): New property.
12133 (TODO_update_tmt_usage): New todo.
12134 * tree-ssa-alias.c (updating_used_alone): New variable.
12135 (recalculate_used_alone): New function.
12136 (compute_may_aliases): Set updating_used_alone, call
12137 recalculate_used_alone.
12138 * tree-sra.c (pass_sra): Note that this pass destroys
12139 PROP_tmt_usage, and add TODO_update_tmt_usage.
12140 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12141 * tree-flow.h (updating_used_alone): Prototype.
12142 (recalculate_used_alone): Ditto.
12143 * passes.c (execute_todo): Add code to set updating_used_alone,
12144 and call recalculate.
12145 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12146 for clobber if used alone, and add assert to verify used_alone
12149 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12151 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12152 for non tls symbols added.
12153 (legitimize_address): Do nothing for PLUS expressions if one of the
12154 addends is a tls symbol reference.
12156 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12160 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12162 * Makefile.in (BOOTSTRAPPING): New.
12163 (quickstrap): New definition if BOOTSTRAPPING=yes.
12165 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12166 * configure.ac: Substitute all_selected_languages with the languages
12167 that were configured. For all the other variables except
12168 lang_specs_files, include all the languages in the tree.
12169 * configure: Regenerate.
12171 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12172 if there is one. Run the commands to run fixincludes in the same
12175 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12176 * doc/install.texi: Document exact conventions for searching target tools.
12177 Document --with-build-time-tools. Document toplevel bootstrap. Document
12178 something more about building an Ada cross-compiler. Don't list GNU Make
12179 requirements which affect all platforms.
12181 2006-02-19 Roger Sayle <roger@eyesopen.com>
12183 PR middle-end/19543
12184 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12185 only equivalent if the have both the same mode and precision.
12187 2006-02-20 Ben Elliston <bje@au.ibm.com>
12189 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12191 2006-02-19 Roger Sayle <roger@eyesopen.com>
12192 Steven Bosscher <stevenb.gcc@gmail.com>
12194 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12195 constant pool references to identify stack mode constants.
12196 * rtlanal.c (constant_pool_constant_p): New predicate to check
12197 whether operand is a floating point constant in the pool.
12198 * rtl.h (constant_pool_constant_p): Prototype here.
12199 * loop.c (scan_loop): Avoid hoisting constants from the constant
12200 pool on STACK_REGS targets.
12201 (load_mems): Likewise.
12202 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12203 loads into x87 registers expensive in terms of register pressure.
12205 2006-02-19 Roger Sayle <roger@eyesopen.com>
12207 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12208 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12210 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12212 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12213 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12215 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12217 * doc/invoke.texi: Document -fipa-pta.
12218 * common.opt: Add ipa-pta option.
12219 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12220 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12221 (do_ds_constraint): Ditto.
12222 (get_constraint_for): Only add to referenced_vars if
12223 referenced_vars exists.
12224 (insert_into_field_list): Rewrite to do this unsorted.
12225 (insert_into_field_list_sorted): Rename old insert_into_field_list
12227 (create_function_info_for): Use insert_into_field_list_sorted.
12228 (create_variable_info_for): Rewrite so it uses unsorted version,
12229 since the field list is sorted.
12230 (intra_create_variable_infos): Only add to referenced_vars if
12231 referenced_vars exists.
12232 (ipa_pta_execute): Init heapvars, and delete when done.
12233 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12235 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12237 * doc/install.texi: Add missing `@samp'.
12239 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12241 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12244 2006-02-18 Mark Wielaard <mark@klomp.org>
12246 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12247 who added new 4.1 features, bug fixes and integration support.
12249 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12252 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12253 MEM for ABI_V4 pic.
12255 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12257 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12258 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12259 (copy_insn_1): Likewise. Don't copy each field individually.
12261 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12263 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12264 * rtl.c (rtx_size): Rename variable to...
12265 (rtx_code_size): ...this.
12266 (rtx_size): New function.
12267 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12268 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12270 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12271 * rtl.h (rtx_code_size): New variable.
12272 (rtx_size): Change from a variable to a function.
12273 (RTX_SIZE): Rename to...
12274 (RTX_CODE_SIZE): ...this.
12277 PR tree-optimization/17106
12278 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12279 (Anchored Addresses): New section.
12280 * doc/invoke.texi (-fsection-anchors): Document.
12281 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12282 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12283 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12284 * hooks.c (hook_bool_mode_rtx_false): New function.
12285 * hooks.h (hook_bool_mode_rtx_false): Declare.
12286 * gengtype.c (create_optional_field): New function.
12287 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12288 SYMBOL_REF_IN_BLOCK_P is true.
12289 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12290 (min_anchor_offset, max_anchor_offset): Likewise.
12291 (use_anchors_for_symbol_p): New hook.
12292 * toplev.c (compile_file): Call output_object_blocks.
12293 (target_supports_section_anchors_p): New function.
12294 (process_options): Check that -fsection-anchors is only used on
12295 targets that support it and when -funit-at-a-time is in effect.
12296 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12297 if the decl doesn't have one.
12298 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12299 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12300 of force_const_mem through use_anchored_address.
12301 (expand_expr_constant): New function.
12302 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12303 calling expand_expr for INDIRECT_REF.
12304 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12305 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12306 * expr.h (use_anchored_address): Declare.
12307 * loop-unroll.c: Don't declare rtx vectors here.
12308 * explow.c: Include output.h.
12309 (validize_mem): Call use_anchored_address.
12310 (use_anchored_address): New function.
12311 * common.opt (-fsection-anchors): New switch.
12312 * varasm.c (object_block_htab, anchor_labelno): New variables.
12313 (hash_section, object_block_entry_eq, object_block_entry_hash)
12314 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12315 (use_blocks_for_decl_p, change_symbol_section): New functions.
12316 (get_variable_section): New function, split out from assemble_variable.
12317 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12318 use_blocks_for_decl_p say so. Use change_symbol_section if the
12319 symbol has already been created.
12320 (assemble_variable_contents): New function, split out from...
12321 (assemble_variable): ...here. Don't output any code for
12322 block symbols; just pass them to place_block_symbol.
12323 Use get_variable_section and assemble_variable_contents.
12324 (get_constant_alignment, get_constant_section, get_constant_size): New
12325 functions, split from output_constant_def_contents.
12326 (build_constant_desc): Create a block symbol if use_object_blocks_p
12327 says so. Or into SYMBOL_REF_FLAGS.
12328 (assemble_constant_contents): New function, split from...
12329 (output_constant_def_contents): ...here. Don't output any code
12330 for block symbols; just pass them to place_section_symbol.
12331 Use get_constant_section and get_constant_alignment.
12332 (force_const_mem): Create a block symbol if use_object_blocks_p and
12333 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12334 (output_constant_pool_1): Add an explicit alignment argument.
12335 Don't switch sections here.
12336 (output_constant_pool): Adjust call to output_constant_pool_1.
12337 Switch sections here instead. Don't output anything for block symbols;
12338 just pass them to place_block_symbol.
12339 (init_varasm_once): Initialize object_block_htab.
12340 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12341 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12342 (place_block_symbol, get_section_anchor, output_object_block)
12343 (output_object_block_htab, output_object_blocks): New functions.
12344 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12345 (TARGET_ASM_OUT): Include it.
12346 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12347 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12348 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12349 (TARGET_INITIALIZER): Include them.
12350 * rtl.c (rtl_check_failed_block_symbol): New function.
12351 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12352 (block_symbol, object_block): New structures.
12353 (rtx_def): Add a block_symbol field to the union.
12354 (BLOCK_SYMBOL_CHECK): New macro.
12355 (rtl_check_failed_block_symbol): Declare.
12356 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12357 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12358 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12359 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12360 * output.h (output_section_symbols): Declare.
12361 (object_block): Name structure.
12362 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12363 (default_use_anchors_for_symbol_p): Declare.
12364 * Makefile.in (RTL_BASE_H): Add vec.h.
12365 (explow.o): Depend on output.h.
12366 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12367 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12368 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12369 (rs6000_use_blocks_for_constant_p): New function.
12371 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12373 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12375 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12378 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12381 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12383 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12387 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12389 PR middle-end/26334
12390 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12391 instead of DECL_REGISTER.
12393 2006-02-18 Olivier Hainque <hainque@adacore.com>
12396 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12398 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12401 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12402 * opth-gen.awk: Handle Var and InverseMask together.
12403 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12404 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12405 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12406 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12408 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12409 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12410 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12411 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12412 LINUX_DYNAMIC_LINKER): Define.
12413 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12414 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12416 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12417 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12418 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12419 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12420 (TARGET_C99_FUNCTIONS): Don't define.
12421 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12422 GLIBC_DYNAMIC_LINKER.
12423 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12424 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12425 GLIBC_DYNAMIC_LINKER64): Define.
12426 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12427 LINUX_DYNAMIC_LINKER64.
12428 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12429 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12430 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12431 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12432 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12433 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12434 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12435 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12436 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12437 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12438 and LINUX_DYNAMIC_LINKER32.
12439 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12440 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12441 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12442 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12443 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12445 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12446 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12447 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12448 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12449 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12450 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12451 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12452 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12453 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12454 LINUX_DYNAMIC_LINKER): Define.
12455 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12456 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12457 GLIBC_DYNAMIC_LINKER64): Define.
12458 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12459 LINUX_DYNAMIC_LINKER64.
12460 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12461 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12462 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12463 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12464 LINUX_DYNAMIC_LINKER): Define.
12465 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12466 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12467 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12468 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12469 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12470 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12471 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12472 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12473 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12474 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12475 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12476 * doc/invoke.texi (-muclibc): Remove caveat about supported
12479 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12481 * doc/cpp.texi (__TIMESTAMP__): Document.
12483 2006-02-17 Roger Sayle <roger@eyesopen.com>
12485 PR middle-end/25600
12486 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12487 C is one less than the width of X (and related transformations).
12488 * simplify-rtx.c (simplify_unary_operation_1): Transform
12489 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12490 depending on STORE_FLAG_VALUE, were C is one less then the
12493 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12495 Fix PR tree-optimization/26341
12496 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12497 about NAME_MEMORY_TAG's.
12499 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12502 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12503 with hardware float support, and software float support. Add fcpy
12504 alternative to hardware patterns. Add alternatives to copy between
12505 general and floating-point registers to the 32-bit pattern.
12506 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12507 secondary reload to load a QI or HI mode constant into a floating
12509 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12510 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12512 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12515 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12517 (load_macho_picbase_di): Likewise.
12519 2006-02-16 Jeff Law <law@redhat.com>
12521 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12522 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12523 (ssa_name_nonzero_p): Likewise.
12524 (get_value_range): Return NULL if VRP is not running.
12525 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12526 VRP routines do not discover a range.
12527 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12528 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12529 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12530 (tree_expr_nonnegative_p): Similarly.
12531 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12532 (restore_nonzero_vars_to_original_value): Remove.
12533 (unsafe_associative_fp_binop): Remove.
12534 (tree_ssa_dominator_optimize): Remove initialization and
12535 finalization of nonzero_vars and nonzero_vars_stack.
12536 (dom_opt_initialize_block): No longer push marker on
12537 nonzero_vars_stack.
12538 (dom_opt_finalize_block): No longer call
12539 restore_nonzero_vars_to_original_value.
12540 (record_equivalences_from_phis): No longer look for
12541 nonzero PHI arguments.
12542 (cprop_into_successor_phis): No longer propagate nonzero
12543 property into PHI arguments. Lose unused argument. Caller
12545 (record_equivalences_from_stmt): No longer record nonzero
12546 values for SSA_NAMEs.
12547 (lookup_avail_expr): No longer use nonzero_vars.
12549 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12550 for sizetype when sizetype is unsigned.
12552 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12554 PR rtl-optimization/25603
12555 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12556 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12557 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12558 with new meaning of SETS.
12560 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12565 * config/linux.opt: New file.
12566 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12567 LINUX_DYNAMIC_LINKER): Define.
12568 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12569 * config.gcc (*-*-linux*): Define extra_options.
12570 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12571 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12572 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12573 GLIBC_DYNAMIC_LINKER.
12574 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12575 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12576 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12577 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12578 * doc/invoke.texi (GNU/Linux Options): New section.
12580 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12582 * config/sparc/sparc.md (setjmp): Rewrite.
12583 (setjmp_32): Delete.
12584 (setjmp_64): Likewise.
12586 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12588 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12591 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12593 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12596 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12598 PR rtl-optimization/26296
12599 * Makefile.in (loop-invariant.c): Add except.h dependency.
12600 * loop-invariant.c: Include except.h.
12601 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12603 2005-02-16 Paul Brook <paul@codesourcery.com>
12605 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12608 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12610 PR rtl-optimization/25636
12611 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12612 when deciding whether an insn is an initializing insn.
12614 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12616 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12617 (tree_code_size): Ditto.
12618 * tree.h (struct tree_memory_tag): Remove parent_var.
12619 (struct tree_struct_field_tag): New.
12622 (union tree_node): Add sft member.
12623 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12625 (create_sft): Add size and offset argument, set SFT_OFFSET and
12627 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12628 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12629 * tree-flow-inline.h (get_subvar_at): Update for
12630 SFT_OFFSET/SFT_SIZE.
12631 (var_can_have_subvars): Ditto.
12632 (overlap_subvar): Ditto.
12633 * print-tree.c (print_node): Print out interesting things for
12635 * tree-flow.h (struct subvar): Remove offset and size members.
12636 * tree-ssa-operands.c (get_expr_operands): Update for
12637 get_indirect_ref_operands changes.
12638 (get_indirect_ref_operands): Call add_virtual_operand instead of
12639 add_stmt_operand. Only recurse on base var if requested.
12640 (access_can_touch_variable): New function.
12641 (add_stmt_operand): Split virtual operand handling into ...
12642 (add_virtual_operand): Here. Add offset, size, and for_clobber
12643 arguments. Prune alias sets.
12644 (add_call_clobber_ops): Call add_virtual_operand.
12646 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12648 PR middle-end/26300
12649 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12651 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12652 than TREE_CODE as index into omp_clause_num_ops array.
12654 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12656 PR rtl-optimization/26184
12657 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12659 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12660 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12661 must_precede, must_follow and tobe_scheduled.
12664 * opts.c (common_handle_option): Free new_option pointer.
12665 * df-core.c (df_analyze): Free postorder pointer.
12667 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12669 * Makefile.in: Fix the examples about the use of stamps
12671 2006-02-15 Michael Matz <matz@suse.de>
12673 PR middle-end/22275
12675 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12676 influenced by maximum_field_alignment or DECL_PACKED.
12677 (update_alignment_for_field): Ditto.
12678 (place_field): Ditto.
12679 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12682 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12684 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12685 (debug_flow_info): Pass it.
12686 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12687 * bb-reorder.c (reorder_basic_blocks): Likewise.
12688 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12689 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12690 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12691 * gcse.c (gcse_main, bypass_jumps): Likewise.
12692 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12693 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12694 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12695 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12696 * rtl.h (dump_flow_info): Adjust prototype.
12697 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12698 * var-tracking.c (variable_tracking_main): Likewise.
12699 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12700 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12703 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12705 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12708 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12710 PR tree-optimization/26209
12711 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12712 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12714 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12716 2006-02-14 Roger Sayle <roger@eyesopen.com>
12718 PR middle-end/23670
12719 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12720 (X,Y) and the corresponding symmetry related transformations.
12721 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12722 (X,Y) and its symmetry related transformations.
12724 2006-02-14 Roger Sayle <roger@eyesopen.com>
12726 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12729 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12731 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12733 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12736 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12737 support COMDAT group.
12738 * configure: Regenerate.
12740 2006-02-14 Roger Sayle <roger@eyesopen.com>
12742 PR middle-end/26279
12743 PR middle-end/26280
12744 PR middle-end/26283
12745 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12747 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12749 Fix PR tree-optimization/26260
12751 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12753 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12754 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12755 * tree-ssa-structalias.c (create_variable_info_for): Use
12756 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12758 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12760 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12762 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12763 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12764 of the ending condition.
12765 * tree-ssa-loop-manip.c: Include params.h.
12766 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12767 tree_unroll_loop): New functions.
12768 * tree-pass.h (pass_loop_prefetch): Declare.
12769 * loop.c (rest_of_handle_loop_optimize): Test for
12770 -fprefetch-loop-arrays-rtl.
12771 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12772 * timevar.def (TV_TREE_PREFETCH): New timevar.
12773 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12774 pass_loop_prefetch): New.
12775 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12776 (cleanup_tree_cfg_loop): Call scev_reset.
12777 * common.opt (fprefetch-loop-arrays-rtl): Add.
12778 * tree-ssa-loop-prefetch.c: New file.
12779 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12780 (new_temp_expr_table): Initialize expr_vars.
12781 (free_temp_expr_table): Cleanup expr_vars.
12782 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12783 expressions from being merged into one.
12784 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12785 (struct tree_niter_desc): Add control, bound and cmp fields.
12786 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12788 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12789 (tree-cfgcleanup.o): Add SCEV_H dependency.
12790 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12791 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12793 2006-02-14 Richard Guenther <rguenther@suse.de>
12795 PR tree-optimization/26258
12796 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12797 in PHI argument processing.
12799 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12801 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12802 new expression in the requested machine mode.
12804 2006-02-13 Roger Sayle <roger@eyesopen.com>
12806 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12807 directly, instead let do_compare_rtx_and_jump handle this for us.
12808 * expr.c (expand_expr_real_1): Likewise.
12809 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12810 before do_jump_by_parts_greater.
12811 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12812 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12814 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12816 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12818 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12820 PR rtl-optimization/26235
12821 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12822 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12825 2006-02-13 Jeff Law <law@redhat.com>
12827 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12830 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12832 PR middle-end/26092
12833 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12834 twice if decl is a builtin. When trying again, call get_callee_fndecl
12835 first to verify it is still a builtin.
12837 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12839 * dwarf2out.c (base_type_die): Don't add AT_name here.
12840 (subrange_type_die): Don't add AT_name here.
12841 (modified_type_die): Rearrange code flow. Do add AT_name here.
12843 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12845 PR rtl-optimization/26247
12846 PR rtl-optimization/26248
12847 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12849 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12851 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12852 * config/fixtfdi.c: Likewise.
12853 * config/fixunstfdi.c: Likewise.
12854 * config/floatditf.c: Likewise.
12856 2006-02-13 Roger Sayle <roger@eyesopen.com>
12858 PR middle-end/24427
12859 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12860 into (X,C2) if C1 is a subset of the bits of C2. Transform
12861 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12863 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12865 2006-02-13 Josh Conner <jconner@apple.com>
12868 * varasm.c (function_section): Check for section name before
12869 calling select_section on targets that define
12870 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12871 unlikely_text_section instead of hot_function_section if
12872 first_function_block_is_cold.
12874 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12876 PR middle-end/25335
12877 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12879 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12881 PR rtl-optimization/26222
12882 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12883 after tree->rtl expansion.
12884 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12885 before passing it to emit_move_insn.
12887 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12889 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12891 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12892 Clarify documentation.
12893 * c-common.h (warn_write_strings): Remove.
12894 * c-common.c (warn_write_strings): Likewise.
12895 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12898 2006-02-12 Roger Sayle <roger@eyesopen.com>
12900 PR middle-end/25724
12901 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12902 (do_jump_parts_zero_rtx): New function renamed from
12903 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12904 (do_jump_parts_equality_rtx): New function split out from
12905 do_jump_parts_equality. Old implementation renamed as above.
12906 Call do_jump_parts_zero_rtx if either operand is zero.
12907 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12908 do all of the heavy lifting.
12909 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12910 calling either do_jump_by_parts_greater_rtx or
12911 do_jump_by_parts_equality_rtx.
12912 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12913 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12914 moved to do_compare_rtx_and_jump, call it directly.
12915 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12916 mode argument. Call do_compare_rtx_and_jump.
12917 (emit_case_nodes): Update calls to do_jump_if_equal.
12919 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12921 PR rtl-optimization/26225
12922 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12924 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12926 PR rtl-optimization/26232
12927 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12929 2006-02-11 Jason Merrill <jason@redhat.com>
12932 * tree-inline.c (declare_return_variable): Just don't use the
12933 modify target if it's a gimple complex reg and the return slot
12936 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12938 * doc/contrib.texi: Update my entry.
12940 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12942 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12944 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12946 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12949 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12951 * doc/invoke.texi (-floop-optimize2): Removed.
12952 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12953 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12954 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12955 * common.opt (floop-optimize2): Removed.
12956 (fmove-loop-invariants): Enabled by default.
12958 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12960 * tree-if-conv.c (combine_blocks): Free the result of
12961 get_loop_exit_edges.
12963 2006-02-10 Jeff Law <law@redhat.com>
12965 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12967 PR tree-optimization/26213
12968 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12969 loop trying to follow SSA_NAME_VALUE chains.
12971 2006-02-10 Richard Guenther <rguenther@suse.de>
12973 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12974 deal with structures that end in implicitly variable sized arrays.
12976 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12978 PR rtl-optimization/24762
12979 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12982 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12984 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12985 (struct ivopts_data): Add regs_used field.
12986 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12987 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12988 instead of loop_data->regs_used;
12989 (free_loop_data): Do not free aux fields for loops.
12990 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12991 and tree_ssa_iv_optimize_finalize.
12993 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12995 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12997 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13000 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13001 computing the effective result type.
13003 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13005 PR inline-asm/16194
13006 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13007 (tree_overlaps_hard_reg_set): Declare.
13008 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13009 type and signature to match function type expected by walk_tree.
13010 (tree_overlaps_hard_reg_set): New function.
13011 (decl_conflicts_with_clobbers_p): Rename to:
13012 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13013 Use tree_overlaps_hard_reg_set. Changed caller.
13014 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13015 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13016 * cris.c (cris_md_asm_clobbers): Likewise.
13018 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13020 * reload1.c (emit_input_reload_insns): Delete code that tries to
13021 inherit using find_equiv_reg.
13023 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13025 * c-common.h (flag_const_strings): Don't declare.
13026 * c-common.c (flag_const_strings): Remove.
13027 * c.opt (fconst_strings): Remove.
13028 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13029 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13030 (c_common_init_options): Don't set flag_const_strings.
13031 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13033 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13035 * arm.md (tlobits_cbranch): New pattern.
13036 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13037 testing a single bit.
13039 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13042 * tree-ssa-pre.c (create_component_ref_by_pieces):
13043 Handle RETURN_DECL like VAR_DECL.
13045 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13047 PR middle-end/26134
13048 * fold-const.c (fold_indirect_ref_1): Fold
13049 "*(foo *)&complexfoo" to "__real__ complexfoo"
13050 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13052 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13054 * tree-flow-inline.h (var_can_have_subvars):
13055 Volatile variables should not have subvariables.
13057 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13060 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13061 multiplying unsigned values.
13064 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13066 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13068 2006-02-08 Jason Merrill <jason@redhat.com>
13071 * tree.def: Elaborate on difference from MODIFY_EXPR.
13072 * doc/c-tree.texi (INIT_EXPR): Likewise.
13073 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13074 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13075 (gimplify_target_expr): Likewise.
13076 (gimplify_cond_expr): Remove target handling.
13077 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13078 (gimplify_expr): Clobber it here.
13079 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13080 Do return slot optimization if we have an INIT_EXPR.
13083 * tree-inline.c (declare_return_variable): Also clear
13084 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13087 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13089 PR middle-end/22439
13090 * gimplify.c (gimplify_one_sizepos): Fix typo.
13092 2006-02-08 Jeff Law <law@redhat.com>
13094 PR tree-optimization/21417
13095 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13096 across a backedge if the control statement at the end of the
13097 block is data dependent on other statements in the same block.
13098 (record_temporary_equivalences_from_stmts): Remove over-conservative
13099 test for threading across backedges.
13101 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13102 control statement, handle all three special cases in the same
13103 manner as they all have the same desired solution. No longer
13104 special case edge flag updating when the post dominator is
13107 2006-02-08 Roger Sayle <roger@eyesopen.com>
13109 * tree.def (CHAR_TYPE): Remove.
13110 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13111 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13112 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13113 (gen_string_type_die): Delete unreachable function.
13115 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13116 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13117 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13118 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13119 * builtins.c (type_to_class): Likewise.
13120 * fold-const.c (fold_convert, build_range_check,
13121 merge_ranges): Likewise.
13122 * expr.c (count_type_elements): Likewise.
13123 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13124 * stor-layout.c (layout_type): Likewise.
13125 * ipa-type-escape.c (type_to_consider): Likewise.
13126 * gimplify.c (omp_firstprivatize_type_sizes,
13127 gimplify_type_sizes): Likewise.
13128 * explow.c (promote_mode): Likewise.
13129 * tree-sra.c (is_sra_scalar_type): Likewise.
13130 * varasm.c (output_constant): Likewise.
13131 * tree-inline.c (remap_type_1): Likewise.
13132 * convert.c (convert_to_pointer, convert_to_real,
13133 convert_to_integer, convert_to_complex): Likewise.
13135 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13137 * df-scan.c (df_def_record_1): A set destination may
13138 be a parallel regardless of mode.
13140 2006-02-08 Roger Sayle <roger@eyesopen.com>
13143 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13144 * config/mips/_tilib.c: Remove.
13145 * config/fixtfdi.c: New libgcc source file.
13146 * config/fixunstfdi.c: New source file.
13147 * config/floatditf.c: New source file.
13148 * config/floatunditf.c: New souce file.
13149 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13150 files above instead of config/mips/_tilib.c.
13151 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13153 2006-02-08 Jeff Law <law@redhat.com>
13155 PR tree-optimization/26169
13156 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13159 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13161 * df.h (DF_REG_SIZE): Return the length of the initialized
13164 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13166 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13167 __muldf3): Return a correctly signed zero.
13169 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13171 * passes.c (register_one_dump_file): Accept the current properties
13172 instead of pass number. Adjust call to dump_register. Remove
13174 (register_dump_files): Now a wrapper around...
13175 (register_dump_files_1): ... this one. Do not modify the pass
13177 (next_pass_1): Cosmetic fix.
13178 (execute_todo): Keep second parameter only. Use curr_properties
13179 instead of fetching it from the pass structure. Check and set
13181 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13182 instead of fetching it from the pass structure. Fix calls to
13183 execute_todo. Update curr_properties and initialize .vcg RTL dump
13184 after running the pass. Reset last_verified.
13185 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13187 (FIRST_AUTO_NUMBERED_DUMP): New.
13188 (dump_register): Remove "num" parameter, assign it within the
13190 (get_dump_file_name): Modify template for dumps.
13191 * tree-dump.h (dump_register): Adjust prototype.
13192 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13193 (PROP_trees): Add PROP_gimple_lomp.
13194 (TODO_set_props): New.
13195 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13196 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13197 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13199 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13201 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13202 (sparc64-*-linux*): Likewise.
13203 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13204 * config/sparc/t-linux: New file.
13205 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13206 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13207 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13208 -m32 -mlong-double-128.
13210 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13211 * config/alpha/t-linux: New file.
13212 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13214 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13215 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13216 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13217 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13218 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13219 (CPP_ARCH32_SPEC): Remove.
13221 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13223 PR tree-optimization/26145
13224 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13227 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13230 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13231 >= 240000 when generating code for SOM runtime.
13232 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13233 to $$dyncall when generating code for SOM runtime..
13235 2006-02-07 Dirk Mueller <dmueller@suse.com>
13238 * doc/invoke.texi (-Wsequence-point): Update documentation
13239 that -Wsequence-point is implemented for C++ as well.
13241 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13243 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13244 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13245 (LIB_SPEC): Likewise.
13246 * doc/invoke.texi (SPARC options): Document -pthread.
13248 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13250 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13253 2006-02-07 Roger Sayle <roger@eyesopen.com>
13255 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13256 Correct comment describing BOOLEAN_TYPE.
13258 2006-02-07 Dirk Mueller <dmueller@suse.com>
13260 * c.opt: C++ frontend supports -Wdiv-by-zero.
13261 * c-opts.c (c_common_handle_option): Remove dead case.
13263 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13265 * configure.ac (TLS assembler check): Do not enable TLS by
13266 default on SPARC/Solaris before version 10.
13267 * configure: Regenerate.
13269 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13271 * doc/invoke.texi (xl-compat): Document conversion and support
13274 2006-02-07 Jeff Law <law@redhat.com>
13276 * tree-vrp.c (find_conditional_asserts): Update comments.
13277 (simplify_stmt_for_jump_threading): New.
13278 (identify_jump_threads, finalize_jump_threads): New.
13279 (vrp_finalize): Call identify_jump_threads.
13280 (execute_vrp): Call finalize_jump_threads.
13281 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13282 (vrp_element, vrp_data, vrp_element_p): Remove.
13283 (vrp_hash_elt, vrp_variables_stack): Remove.
13284 (vrp_hash, vrp_eq, record_range): Remove.
13285 (simplify_cond_and_lookup_avail_expr): Remove.
13286 (extract_range_from_cond): Remove.
13287 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13288 (simplify_stmt_for_jump_threading): New.
13289 (dom_thread_across_edge): New wrapper.
13290 (tree_ssa_dominator_optimize): No longer initialize or
13291 finalize any of the VRP datastructures. Remove iteration
13292 step and simplify as a result of removal of iteration step.
13293 (pass_dominator): Perform a cfg cleanup after DOM.
13294 (dom_opt_finalize_block): Use the new common routines
13295 for threading jumps. Simplify stack management slightly.
13296 No longer need to unwind VRP state.
13297 (record_equivalences_from_incoming_edge): No longer record
13299 (eliminate_redundant_computations): No longer call
13300 simplify_cond_and_lookup_avail_expr.
13301 * tree-flow.h (potentially_threadable_block): Prototype.
13302 (thread_across_edge): Likewise.
13303 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13304 (tree-ssa-threadedge.o): Add dependencies.
13305 * tree-ssa-threadedge.c: New file.
13306 * passes.c (init_optimization_passes): Merge PHIs before
13307 calling VRP. Run VRP again late in the SSA optimization pipeline.
13309 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13311 * df-core.c (df_set_blocks): Do not dereference function pointers.
13312 (df_finish1): Likewise.
13313 (df_hybrid_search_forward): Likewise.
13314 (df_hybrid_search_backward): Likewise.
13315 (df_iterative_dataflow): Likewise.
13316 (df_analyze_problem): Likewise.
13317 (df_compact_blocks): Likewise.
13318 (df_dump): Likewise.
13319 * df-scan.c (df_rescan_blocks): Likewise.
13320 (df_record_entry_block_defs): Likewise.
13322 * genconditions.c (write_conditions): Guard the definition of
13323 'insn_conditions' with the check on GCC version.
13324 (write_writer): Guard the traversal 'insn_conditions' with
13325 the check on GCC version.
13327 2006-02-07 Richard Guenther <rguenther@suse.de>
13331 2006-01-30 Richard Guenther <rguenther@suse.de>
13333 * gimplify.c (gimplify_target_expr): Handle easy cases
13334 without creating a temporary.
13336 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13338 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13339 use of float in probability computations. Use edge probabilities
13340 in place of statically computed probabilities.
13341 (min_spec_prob): New static variable.
13342 (schedule_insns): Initialize it.
13343 (GET_SRC_PROB): Removed.
13344 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13346 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13349 * config/ia64/unwind-ia64.c: Revert last change.
13350 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13351 (INCOMING_FRAME_SP_OFFSET): Define.
13353 2006-02-06 Roger Sayle <roger@eyesopen.com>
13355 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13357 2006-02-07 Ben Elliston <bje@au.ibm.com>
13359 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13360 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13361 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13362 (ix86_return_in_memory): Handle TDmode.
13363 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13364 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13366 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13368 * reorg.c (dbr_schedule): Use dump_file instead of file.
13370 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13373 * config/ia64/predicates.md (extr_len_operand): New predicate.
13374 * config/ia64/ia64.md (extv): Tighten constraints.
13376 (*tbit_and_2): Ditto.
13377 (*tbit_and_3): Ditto.
13378 (*tbit_or_2): Ditto.
13379 (*tbit_or_3): Ditto.
13380 (*bit_zero): Ditto.
13383 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13386 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13388 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13390 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13391 loop_optimizer_init and loop_optimizer_finalize
13392 * tree-ssa-sink.c (execute_sink_code): Ditto.
13393 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13394 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13395 tree_ssa_loop_done): Ditto.
13396 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13397 * sched-ebb.c: Include output.h.
13398 (schedule_ebbs): Do not use dump argument.
13399 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13400 * loop.c (loop_dump_stream): Removed.
13401 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13403 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13404 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13405 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13406 loop_iterations, strength_reduce, record_biv, record_giv,
13407 final_giv_value, check_final_value, check_ext_dependent_givs,
13408 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13409 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13410 dump_file instead of loop_dump_stream.
13411 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13412 argument dump_file.
13413 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13415 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13416 * haifa-sched.c: Include output.h
13417 (schedule_insns, sched_init): Do not use dump argument.
13418 * mode-switching.c (optimize_mode_switching): Ditto.
13419 * modulo-sched.c (stats_file): Removed.
13420 (print_node_sched_params): Do not call argument dump_file.
13421 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13422 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13424 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13426 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13427 rtl_loop_init, rtl_loop_done): Ditto.
13428 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13429 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13431 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13432 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13433 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13434 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13435 * emit-rtl.c (renumber_insns): Ditto.
13436 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13437 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13438 * regclass.c (regclass): Ditto.
13439 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13440 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13441 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13442 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13444 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13445 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13447 * gcse.c (gcse_file, debug_stderr): Removed.
13448 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13449 rest_of_handle_gcse): Do not use dump argument.
13450 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13451 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13452 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13453 compute_code_hoist_vbeinout, compute_code_hoist_data,
13454 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13455 compute_store_table, build_store_vectors, insert_insn_start_bb,
13456 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13457 store_motion): Use dump_file instead of gcse_file.
13458 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13459 * profile.c (profile_dump_file): Removed.
13460 (branch_prob): Use dump_file instead of profile_dump_file.
13461 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13463 * tree-ssa-copy.c (dump_copy_of): Ditto.
13464 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13465 dump file to life_analysis.
13466 * bt-load.c (branch_target_load_optimize): Ditto.
13467 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13469 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13470 regclass, dbr_schedule): Declaration changed.
13471 * sched-int.h (sched_init): Declaration changed.
13472 * tree-profile.c (tree_profile_dump_file): Removed.
13473 (tree_profile_hooks): Removed profile_dump_file hook.
13474 * rtl-profile (rtl_profile_dump_file): Removed.
13475 (rtl_profile_hooks): emoved profile_dump_file hook.
13476 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13478 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13479 * tree-cfg.c (build_tree_cfg): Ditto.
13480 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13481 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13482 Declaration changed.
13483 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13484 life_analysis and schedule_insns.
13485 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13487 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13489 * config/mips/mips.c (mips_reorg): Ditto.
13490 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13493 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13495 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13496 (s390_mangle_fundamental_type): New.
13497 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13500 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13501 (alpha_mangle_fundamental_type): New.
13502 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13505 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13507 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13509 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13510 (sparc_mangle_fundamental_type): New.
13512 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13514 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13515 (s390x-*-linux*): Likewise.
13516 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13517 * config/s390/t-linux: New file.
13519 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13521 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13522 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13524 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13526 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13527 (ANTIC_SAFE_LOADS): New macro.
13528 (find_or_generate_expression): Add prototype.
13529 (set_contains_value): Allow null set for sake of not always having
13530 to allocate ANTIC_SAFE_LOADS.
13531 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13532 Allow COMPONENT_REF too.
13533 (valid_in_set): Allow COMPONENT_REF.
13534 Check ANTIC_SAFE_LOADS too.
13535 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13536 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13538 (can_PRE_operation): Add COMPONENT_REF.
13539 (create_component_ref_by_pieces): New function.
13540 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13541 (insert_aux): Move AGGREGATE_TYPE_P check here.
13542 (compute_avail): Set bb local stmt uids.
13543 (pass_pre): Use TODO_update_ssa_only_virtuals.
13545 2006-02-06 Ben Elliston <bje@au.ibm.com>
13547 * configure.ac: Unconditionally disable decimal float by default.
13548 * configure: Regenerate.
13550 2006-02-06 Ben Elliston <bje@au.ibm.com>
13552 * read-rtl.c (read_name): Terminate reading on EOF.
13554 2006-02-06 Ben Elliston <bje@au.ibm.com>
13556 * dfp.c (decimal_real_arithmetic): Change second argument type
13557 from int to enum tree_code. Do not always return true, but now
13558 return result of any call to decimal_do helper functions.
13559 * dfp.h (decimal_real_arithmetic): Update prototype.
13561 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13563 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13565 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13568 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13571 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13573 * tree-vrp.c (cfg_loops): Removed.
13574 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13575 Use current_loops instead of cfg_loops. Pass flags to
13576 loop_optimizer_init.
13577 * cfgloopmanip.c (fix_loop_structure): Update only available
13579 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13580 loop_optimizer_init.
13581 * modulo-sched.c (build_loops_structure): Removed.
13582 (sms_schedule): Use loop_optimizer_init.
13583 * loop-init.c (loop_optimizer_init): Use flags to determine
13584 which properties of loops to prepare.
13585 (rtl_loop_init): Pass flags to loop_optimizer_init.
13586 * tree-ssa-sink.c (execute_sink_code): Ditto.
13587 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13588 * tree-ssa-pre.c (init_pre): Ditto.
13589 * cfgloop.h (LOOPS_NORMAL): New.
13590 (loop_optimizer_init): Declaration changed.
13592 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13594 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13595 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13597 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13599 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13601 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13602 * pa/t-pa64: Delete quadlib.c rule.
13603 * pa/x-ada: Revert last change.
13604 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13606 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13608 PR rtl-optimization/26087
13609 * rtlanal.c (canonicalize_condition): Do not cross basic block
13612 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13615 * config/ia64/ia64.c: Include debug.h.
13616 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13617 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13618 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13619 (process_epilogue, process_set, process_for_unwind_directive):
13620 Output unwind info only if requested. Add CFA info if requested.
13621 Add new arguments as needed. Adjust callers.
13622 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13624 (DWARF2_FRAME_INFO): Define to zero.
13625 * config/ia64/unwind-ia64.c: Remove code that compensated for
13626 the CFA offset error fixed above.
13627 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13628 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13629 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13630 -funwind-tables and -fexceptions to enable frame info.
13631 (dwarf2out_frame_init): Define initial CFA even if
13632 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13633 DWARF2_UNWIND_INFO is nonzero, not just defined.
13634 (dwarf2out_frame_finish): Output non-EH call frame info only
13635 if DWARF2_FRAME_INFO is nonzero.
13636 (convert_cfa_to_loc_list,
13637 compute_frame_pointer_to_cfa_displacement): Define even if
13638 unwind info is not supported.
13639 (gen_subprogram_die): Use the above unconditionally. Remove
13640 legacy alternate code.
13641 * toplev.c (compile_file): Compile in call to
13642 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13643 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13645 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13646 Jakub Jelinek <jakub@redhat.com>
13648 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13649 IBM extended float format long double as "g" on powerpc*-linux.
13651 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13654 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13655 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13657 2006-02-03 Jason Merrill <jason@redhat.com>
13660 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13662 PR middle-end/25977
13663 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13664 on the return slot if it's an NRV.
13666 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13668 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13669 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13670 rewrite_use): Do not handle USE_OUTER.
13671 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13672 add_iv_outer_candidates, may_replace_final_value,
13673 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13674 (find_interesting_uses_op): Functionality of
13675 find_interesting_uses_outer_or_nonlin moved here.
13676 (find_interesting_uses_outside): Use find_interesting_uses_op.
13678 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13681 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13683 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13684 Ulrich Weigand <uweigand@de.ibm.com>
13687 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13688 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13689 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13690 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13692 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13693 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13694 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13695 Define secondary reloads for TFmode moves.
13696 (constant_modes): Add TFmode.
13697 (NR_C_MODES): Set to 8.
13698 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13700 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13701 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13702 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13703 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13704 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13705 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13706 (FPR mode macro): Add TFmode.
13707 (DSF mode macro): New.
13708 (<de>, <dee> mode attributes): Removed.
13709 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13710 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13711 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13712 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13713 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13714 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13715 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13716 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13717 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13718 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13719 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13720 "*negabs<mode>2", "sqrt<mode>2"):
13721 Changed <de> to <xde>. R constraint replaced by <Rf>.
13722 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13724 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13725 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13726 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13728 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13729 "extenddftf2", "extendsftf2"): New expanders.
13730 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13731 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13732 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13733 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13735 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13736 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13737 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13738 __floatditf): Add a GCC_4.1.0 symbol version tag.
13739 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13742 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13745 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13746 Use targetm.binds_local_p instead of TREE_PUBLIC.
13748 2006-02-02 Roger Sayle <roger@eyesopen.com>
13750 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13751 on INTEGER_TYPEs to indicate that it denotes a character type.
13752 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13753 signed_char_type_node, unsigned_char_type_node and char_type_node.
13754 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13755 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13756 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13758 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13759 Daniel Berlin <dberlin@dberlin.org>
13761 * tree-tailcall.c (arg_needs_copy_p): New function.
13762 (eliminate_tail_call): Use arg_needs_copy_p.
13763 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13764 (add_virtual_phis): New function.
13766 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13768 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13769 #ignore instead of #scratch for %g7 .register directive.
13771 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13773 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13776 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13778 * flow.c (calculate_global_regs_live): Assert that there aren't any
13781 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13783 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13784 what its name says.
13785 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13786 bsi_after_labels iterator.
13787 * tree-if-conv.c (find_phi_replacement_condition,
13788 replace_phi_with_cond_modify_expr): Likewise.
13789 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13790 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13792 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13794 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13796 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13799 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13800 array after growing it.
13802 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13804 PR middle-end/24901
13805 * fold-const.c (fold_checksum_tree): Change type of buf.
13807 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13809 * reload.c (push_secondary_reload): Initialize t_icode.
13811 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13813 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13814 -msoft-float -mlong-double-128 only issue a warning, but don't
13815 swich to DFmode long double.
13817 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13819 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13820 has a constant equivalent, iterate over equivalents for arg0,
13821 calling simplify_relational_operation and if there's a result
13822 cheaper than X, apply fold_rtx and return the result.
13824 2006-02-01 Jan Hubicka <jh@suse.cz>
13826 * opts.c (no_unit_at_a_time_default): New global variable.
13827 (decode_options): Use it.
13828 * opts.h (no_unit_at_a_time_default): Declare.
13830 2006-02-01 Paul Brook <paul@codesourcery.com>
13832 * function.c (assign_parm_setup_reg): Use function argument promotion
13834 * expr.c (expand_expr_real_1): Use function argument promotion rules
13837 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13839 * gcc.c (process_command): Change j to 'unsigned int'.
13841 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13843 PR middle-end/26001
13844 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13845 Use the corrected index for the character
13846 out of the string constant.
13848 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13850 * mode-switching.c (optimize_mode_switching): Fix size
13851 allocated for bb_info[n_entities].
13853 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13855 * gcc.c (main): Correct type that is allocated for
13856 explicit_link_files.
13858 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13860 * config/s390/s390.c (init_alignment_context): Set
13861 ALIAS_SET_MEMORY_BARRIER on the MEM.
13862 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13864 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13866 PR middle-end/25933
13867 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13869 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13872 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13874 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13875 * regrename.c: Ditto.
13876 * tree-ssa-loop-im.c: Ditto.
13877 * tree-dump.c: Ditto.
13878 * tree-complex.c: Ditto.
13879 * genrecog.c: Ditto.
13880 * tree-ssa-threadupdate.c: Ditto.
13882 * java/class.c: Ditto.
13883 * java/jcf-parse.c: Ditto.
13884 * java/resource.c: Ditto.
13885 * java/except.c: Ditto.
13886 * java/jvspec.c: Ditto.
13887 * java/jcf-write.c: Ditto.
13888 * java/jcf-path.c: Ditto.
13889 * java/gjavah.c: Ditto.
13890 * java/zextract.c: Ditto.
13891 * java/jcf-io.c: Ditto.
13892 * java/jcf.h: Ditto.
13893 * java/buffer.c: Ditto.
13894 * java/lang.c: Ditto.
13895 * java/parse-scan.y: Ditto.
13896 * java/lex.c: Ditto.
13897 * java/lex.h: Ditto.
13898 * cfgloopmanip.c: Ditto.
13899 * postreload-gcse.c: Ditto.
13900 * tree-ssa-loop-manip.c: Ditto.
13901 * postreload.c: Ditto.
13902 * tree-ssa-loop-ch.c: Ditto.
13905 * cppspec.c: Ditto.
13906 * diagnostic.c: Ditto.
13908 * genoutput.c: Ditto.
13910 * cfghooks.c: Ditto.
13911 * cfgloopanal.c: Ditto.
13912 * objc/objc-act.c: Ditto.
13914 * genextract.c: Ditto.
13915 * genautomata.c: Ditto.
13916 * pretty-print.c: Ditto.
13917 * genemit.c: Ditto.
13918 * cgraphunit.c: Ditto.
13920 * df-scan.c: Ditto.
13921 * haifa-sched.c: Ditto.
13922 * dominance.c: Ditto.
13924 * tree-ssa-loop-ivopts.c: Ditto.
13925 * df-core.c: Ditto.
13926 * mode-switching.c: Ditto.
13927 * modulo-sched.c: Ditto.
13929 * ipa-pure-const.c: Ditto.
13931 * fix-header.c: Ditto.
13933 * tree-stdarg.c: Ditto.
13934 * ipa-utils.c: Ditto.
13935 * loop-init.c: Ditto.
13936 * ipa-inline.c: Ditto.
13937 * cfganal.c: Ditto.
13939 * alloc-pool.c: Ditto.
13940 * dwarf2out.c: Ditto.
13942 * genattrtab.c: Ditto.
13943 * tree-ssa-loop-ivcanon.c: Ditto.
13944 * predict.c: Ditto.
13945 * timevar.c: Ditto.
13947 * fortran/gfortranspec.c: Ditto.
13948 * regmove.c: Ditto.
13949 * local-alloc.c: Ditto.
13950 * langhooks.c: Ditto.
13951 * function.c: Ditto.
13952 * tree-vectorizer.c: Ditto.
13954 * ipa-type-escape.c: Ditto.
13956 * tree-if-conv.c: Ditto.
13957 * profile.c: Ditto.
13959 * tree-data-ref.c: Ditto.
13960 * loop-unroll.c: Ditto.
13961 * treelang/treetree.c: Ditto.
13963 * bt-load.c: Ditto.
13964 * ggc-common.c: Ditto.
13966 * coverage.c: Ditto.
13968 * tree-cfgcleanup.c: Ditto.
13969 * tree-ssa-pre.c: Ditto.
13970 * cfgcleanup.c: Ditto.
13971 * loop-invariant.c: Ditto.
13972 * loop-iv.c: Ditto.
13973 * ipa-prop.c: Ditto.
13974 * print-tree.c: Ditto.
13975 * conflict.c: Ditto.
13976 * ggc-page.c: Ditto.
13977 * sched-deps.c: Ditto.
13978 * regclass.c: Ditto.
13979 * tree-object-size.c: Ditto.
13980 * combine.c: Ditto.
13981 * bb-reorder.c: Ditto.
13982 * resource.c: Ditto.
13983 * var-tracking.c: Ditto.
13984 * cfgloop.c: Ditto.
13985 * df-problems.c: Ditto.
13986 * reg-stack.c: Ditto.
13988 * gccspec.c: Ditto.
13989 * sched-rgn.c: Ditto.
13990 * tree-ssa-structalias.c: Ditto.
13991 * tree-ssa-reassoc.c: Ditto.
13992 * config/darwin-c.c: Ditto.
13993 * config/darwin.c: Ditto.
13994 * config/arm/arm.c: Ditto.
13996 * collect2.c: Ditto.
13997 * reload1.c: Ditto.
13999 2006-01-31 Nicolas Pitre <nico@cam.org>
14001 * arm.md (smaxsi3): Make aware of smax_m1.
14004 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14006 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14008 2006-01-31 Richard Guenther <rguenther@suse.de>
14010 * doc/invoke.texi (-msselibm): Document.
14011 * target.h (expand_library_builtin): New target hook.
14012 * builtins.c (expand_builtin): Use expand_library_builtin.
14013 (default_expand_library_builtin): New function.
14014 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14015 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14016 (link_gcc_math_spec): Declare.
14017 (static_specs): Add link_gcc_math_spec.
14018 * expr.h (default_expand_library_builtin): Declare.
14019 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14020 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14021 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14022 * config/i386/i386.opt (msselibm): New target option.
14023 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14024 (ix86_init_sse_abi_builtins): New function.
14025 (ix86_expand_library_builtin): Likewise.
14026 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14027 (override_options): Handle error conditions wrt -msselibm.
14028 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14029 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14030 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14033 2006-01-31 Richard Guenther <rguenther@suse.de>
14034 Paolo Bonzini <bonzini@gnu.org>
14036 * doc/install.texi (--disable-libgcc-math): Document.
14038 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14040 * expr.h (expand_normal): new inline function.
14041 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14042 * dojump.c: use it.
14043 * dwarf2out.c: use it.
14046 * expmed.c: use it.
14047 * except.c: use it.
14048 * config/sparc/sparc.c: use it.
14049 * config/i386/i386.c: use it.
14050 * config/rs6000/rs6000.c: use it.
14051 * config/arm/arm.c: use it.
14052 * config/mips/mips.c: use it.
14053 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14055 2006-01-30 Roger Sayle <roger@eyesopen.com>
14057 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14058 argv to the appropriate type.
14060 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14062 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14065 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14068 * config/s390/s390.c (struct machine_function): New flag
14069 decomposed_literal_pool_addresses_ok_p.
14070 (s390_reorg): Set it before final stage of literal pool transforms.
14071 (s390_decompose_address): Only accept displacements of the form
14072 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14074 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14076 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14077 the comparison routine return.
14079 2006-01-30 Michael Matz <matz@suse.de>
14081 * global.c (find_reg): Only evict for global regs.
14082 Take n_refs into account and dump more info.
14084 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14087 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14088 (pragma_trap, pragma_nosave_low_regs): Likewise.
14089 (current_function_anonymous_args): Likewise.
14090 (sh_deferred_function_attributes): New variable.
14091 (sh_deferred_function_attributes_tail): Likewise.
14092 (print_operand): For '@', look up trap_exit attribute.
14093 (calc_live_regs): Look up trapa_handler attribute. For trapa
14094 handlers, save/restore fpscr, but don't do any other
14095 interrupt-specific saves.
14096 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14097 Fix check for partially saved registers to check for SHmedia.
14098 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14099 (sh_output_function_epilogue): Don't clear any of the removed
14101 (sh_insert_attributes): Don't check pragma_interrupt.
14102 Insert deferred attributes. Check that interrupt attribute is
14103 present for other attributes that require its presence.
14104 (sh_attribute_table): Add new attributes trapa_handler and
14106 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14107 Don't check for pragma_interrupt. Don't store argument.
14108 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14109 (sh_deferred_function_attributes): Declare.
14110 (sh_deferred_function_attributes_tail): Likewise.
14111 * sh.md (sp_switch_1): Add operand. Change generator caller.
14112 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14113 (*return_i): Don't use when trap_exit attribute is in effect.
14114 (*return_trapa): New insn pattern.
14115 * sh-c.c: New file.
14116 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14117 setting c_target_objs and cxx_target_objs.
14118 * t-sh: Add rule for sh-c.o.
14120 2006-01-30 Richard Guenther <rguenther@suse.de>
14123 * gimplify.c (gimplify_target_expr): Handle easy cases
14124 without creating a temporary.
14126 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14128 * vec.h (safe_grow): Remove duplicated line.
14130 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14133 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14134 (expand_omp): ... here.
14135 (expand_omp_parallel): Only remove barriers for combined
14136 parallel+workshare constructs.
14138 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14142 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14143 * tree.c (build_qualified_type): Chain the new type to the original
14144 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14145 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14146 (build_pointer_type_for_mode): Only return unqualified types.
14147 (build_reference_type_for_mode): Likewise.
14149 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14151 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14152 * Makefile.in (CXX_COMPAT_WARN): Define.
14153 * configure: Regenerate.
14155 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14158 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14161 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14163 * toplev.c: Fix thinko.
14165 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14166 Marcin Dalecki <martin@dalecki.de>
14168 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14169 (push_srcloc): Use XNEW.
14170 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14172 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14174 * df-core.c (df_set_blocks): Deleted all variable.
14176 2006-01-28 Ian Lance Taylor <ian@airs.com>
14178 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14179 cgraph_output_pending_asms.
14181 2006-01-28 Zack Weinberg <zackw@panix.com>
14183 * c.opt: Add -W(no-)overlength-strings.
14184 * doc/invoke.texi: Document it.
14185 * c-opts.c (c_common_handle_option): -pedantic implies
14186 -Woverlength-strings, if not explicitly disabled already.
14187 (c_common_post_options): -Woverlength-strings defaults to off, and
14188 is always off for C++.
14189 * c-common.c (fix_string_type): Issue warning about strings longer
14190 than is portable only if warn_overlength_strings. Rearrange code
14191 a little for clarity.
14192 * configure.in: Check for -Wno-overlength-strings as well before
14193 enabling -pedantic in stage 1.
14194 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14195 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14197 * genconditions.c (write_header, write_one_condition)
14198 (write_conditions, write_writer): Consolidate very long strings
14199 that were broken up to fit in C89 portable limit. Don't use
14200 printf when fputs will do.
14202 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14204 * combine.c (simplify_comparison <AND>): Check
14205 TRULY_NOOP_TRUNCATION before start using a subreg.
14207 * config/mips/mips.md (*branch_zero<mode>,
14208 *branch_zero<mode>_inverted, *branch_equality<mode>,
14209 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14210 Remove mode check from comparisons.
14212 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14214 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14216 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14218 * expmed.c (const_mult_add_overflow_p): Remove.
14219 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14221 * recog.c (validate_replace_rtx_subexp): Remove.
14222 * recog.h: Remove the prototype for
14223 validate_replace_rtx_subexp.
14225 * integrate.h: Remove the prototype for
14226 copy_decl_for_inlining.
14227 * rtl.h: Remove the prototype for mark_constant_function.
14228 * tree-vectorizer.h: Remove the prototype for
14229 vect_strip_conversion.
14231 * modulo-sched.c (create_partial_schedule,
14232 free_partial_schedule, reset_partial_schedule): Make them
14235 * hooks.c (hook_bool_rtx_int_false): Remove.
14236 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14238 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14240 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14241 and -mlong-double-128 are incompatible.
14242 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14243 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14244 (TARGET_LIBGCC2_CFLAGS): Define.
14245 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14246 (TARGET_LIBGCC2_CFLAGS): Same.
14247 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14249 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14252 * c-typeck.c (build_binary_op): Perform implicit casts of
14253 operands before shortening them.
14255 * cfgloopmanip.c (split_loop_bb): Remove.
14256 * cfgloop.h: Remove the prototype for split_loop_bb.
14258 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14259 * cfgloop.h: Remove the prototype for
14260 flow_loop_outside_edge_p.
14262 * emit-rtl.c (init_virtual_regs): Make it static.
14263 * function.h: Remove the prototype for init_virtual_regs.
14265 * recog.c (peephole2_optimize): Make it static.
14266 * recog.h: Remove the prototype for peephole2_optimize.
14268 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14270 * df-scan.c (df_record_entry_block_defs): Check if
14271 INCOMING_RETURN_ADDR_RTX is defined.
14273 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14274 Kenneth Zadeck <zadeck@naturalbridge.com>
14276 PR rtl-optimization/24762
14277 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14278 * targhooks.c (hook_void_bitmap): New hook prototype.
14279 * targhoohs.h (hook_void_bitmap): Ditto.
14280 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14281 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14282 * target.h (live_on_entry): New function pointer.
14283 * df-scan.c (df_all_hard_regs): Removed.
14284 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14285 (df_scan_free_internal): Added df->entry_block_defs.
14286 (df_scan_alloc): Ditto.
14287 (df_scan_dump): Ditto.
14288 (df_uses_record): Plumbed flag field properly thru calls.
14289 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14290 This part fixes PR24762.
14291 (df_bb_refs_record): Added code to make the frame and arg
14292 pointers live in EH blocks.
14293 (df_refs_record): Added call to df_record_entry_block_defs.
14294 (df_record_entry_block_defs): New function.
14295 * df-core.c: Added comments to describe new artifical defs.
14296 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14297 (entry_block_defs): New field in struct df.
14298 (df_all_hard_regs): Deleted.
14299 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14300 * df-problems.c (df_ru_bb_local_compute_process_def):
14301 Added code to handle artifical defs in the entry to a function.
14302 (df_ru_bb_local_compute): Ditto.
14303 (df_rd_bb_local_compute_process_def): Ditto.
14304 (df_rd_bb_local_compute): Ditto.
14305 (df_lr_bb_local_compute): Ditto.
14306 (df_ur_bb_local_compute): Ditto.
14307 (df_urec_bb_local_compute): Ditto.
14308 (df_chain_create_bb): Ditto.
14309 (df_ur_local_finalize): Removed entry.
14310 (df_urec_init): Ditto.
14311 (df_urec_local_finalize): Ditto.
14312 (df_ri_bb_compute): Added detection of last use of pseudos.
14313 * Makefile.in (df-scan.o): Updated dependencies.
14314 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14315 * config/mips/mips.c (mips_set_live_on_entry): Added.
14316 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14318 * dce.c (marked_insn_p): Added code to handle artifical defs.
14320 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14322 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14324 (_mm_cvtsi128_si64): Likewise.
14325 (_mm_cvtsd_si64): Likewise.
14326 (_mm_cvttsd_si64): Likewise.
14327 (_mm_cvtsi64_sd): Likewise.
14328 (_mm_cvtsi64_si128): Likewise.
14329 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14330 (_mm_cvtsi64_m64): Likewise.
14331 (_m_to_int64): Likewise.
14332 (_mm_cvtm64_si64): Likewise.
14333 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14334 (_mm_cvttss_si64): Likewise.
14335 (_mm_cvtsi64_ss): Likewise.
14336 (_mm_cvtss_f32): Likewise.
14338 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14340 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14341 for pragma redefine_extname.
14343 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14346 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14347 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14348 -mno-minimal-toc to previous content.
14349 (bispecs): Remove goal.
14350 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14351 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14352 compatibility aliases on powerpc-*-*gnu*.
14353 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14354 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14355 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14356 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14357 (ldblspecs): New goal.
14358 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14359 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14361 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14362 L_sf_to_tf or L_df_to_tf is defined.
14364 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14365 Alan Modra <amodra@bigpond.net.au>
14368 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14369 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14370 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14371 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14372 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14373 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14374 (rs6000_override_options): Initialize rs6000_ieeequad.
14375 Initialize TFmode format to ibm_extended_format if not
14377 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14379 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14380 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14381 (function_arg_advance): IBM long double passed in two FPRs, not
14383 (function_arg): IBM long double passed in FPRs.
14384 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14385 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14386 Only multireg GPR aligned.
14387 (rs6000_init_libfuncs): Enable IBM long double functions if not
14389 (rs6000_generate_compare): Use IBM long double compare if not
14391 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14392 (TARGET_IEEEQUAD): Define.
14393 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14394 not TARGET_IEEEQUAD.
14395 * config/rs6000/rs6000.md: Enable TFmode patterns if
14397 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14398 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14399 and -mlong-double-128 are incompatible.
14400 * doc/invoke.texi (-mabi): Collect options together. Add
14401 ibmlongdouble and ieeelongdouble.
14403 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14405 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14407 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14408 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14409 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14410 * rtl.h (rtunion_def): Remove rt_ptr.
14412 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14413 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14414 * config/i386/winnt.c (i386_pe_mark_dllexport)
14415 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14417 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14419 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14421 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14425 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14426 pthread_key_delete. From John David Anglin. gthrw-ify
14427 pthread_getunique_np only if it it's not a macro. Delete
14429 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14430 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14431 __gthread_objc_condition_signal, __gthread_key_delete): Add
14432 "__attribute__ ((__unused__))" to unused arguments.
14433 (__gthread_recursive_mutex_init_function): Add missing return.
14434 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14435 gthr-posix95.h: Use macro-based approach for name redirection
14436 on targets missing weakref.
14438 2006-01-26 Zack Weinberg <zackw@panix.com>
14440 * genconditions.c (write_header): In generated code, #ifdef out
14441 all includes and fake declarations, except includes of bconfig.h
14442 and system.h, unless GCC_VERSION >= 3001. Do not include
14443 gensupport.h in any case.
14444 (write_conditions): Generate a definition of struct c_test. Add
14445 a comment to the generated #endif.
14446 (write_one_condition): Escape backslashes in string too.
14447 (write_writer): Generated code must escape backslashes and quote
14448 marks (but not newlines) in the strings it writes.
14449 * Makefile.in (build/gencondmd.o): Update dependencies.
14451 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14454 * Makefile.in (insn-automata.o): Add header file dependencies.
14455 * genautomata.c: Add includes.
14457 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14460 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14462 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14464 * configure.ac: Expect target tools paths to be passed from the toplevel
14465 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14467 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14469 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14472 * c.opt (Wpointer-sign): Init to -1.
14473 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14474 OPT_pedantic, to 0 otherwise.
14475 * doc/invoke.texi: Update.
14477 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14479 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14480 constants provided by 80387 instructions in the destination mode.
14482 2006-01-26 Richard Guenther <rguenther@suse.de>
14483 Andrew Pinski <pinskia@physics.uc.edu>
14486 partial PR tree-opt/17064
14487 * tree-ssa-structalias.c (intra_create_variable_infos):
14488 Create heap variables for incoming parameters if
14489 flag_argument_noalias > 1.
14490 (find_what_p_points_to): Look through default defs of
14493 2006-01-26 Jeff Law <law@redhat.com>
14496 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14497 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14498 within the VR_RANGE, use the VR_RANGE as the result, not the
14500 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14501 bounds for the type.
14503 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14505 * tree-ssa-alias.c (maybe_create_global_var): Change
14506 subvar walking to an assertion that we don't have subvar'd variables.
14508 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14511 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14512 Use a new variable, inner. PARM_DECLs are always non-weak.
14514 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14516 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14517 --disable-checking.
14519 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14521 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14523 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14525 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14526 (smax_insn, smin_insn, smax_0, smin_0): New.
14528 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14531 * config/cris/cris.c (cris_order_for_addsi3): New function.
14532 * config/cris/cris-protos.h: Prototype it.
14533 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14534 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14535 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14536 (split for "op.S1 [rx=rx+i],ry (swapped)")
14537 (split for "op(s|u).S1 [rx=rx+i],ry")
14538 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14539 Apply cris_order_for_addsi3 when generating addsi3 insns.
14541 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14543 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14544 (TREE_BLOCK): Add call to EXPR_CHECK.
14546 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14549 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14550 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14551 (dump_omp_clauses): ... here.
14552 (dump_generic_node): Handle OMP_CLAUSE.
14553 * tree.c (omp_clause_num_ops): New.
14554 (omp_clause_code_name): New.
14555 (tree_code_size): Handle OMP_CLAUSE.
14556 (tree_size): Likewise.
14557 (make_node): Document handling of OMP_CLAUSE.
14558 (tree_node_structure): Handle OMP_CLAUSE.
14559 (omp_clause_check_failed): New.
14560 (omp_clause_range_check_failed): New.
14561 (omp_clause_operand_check_failed): New.
14562 (build_omp_clause): New.
14563 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14564 * tree.h (enum omp_clause_code): Declare.
14565 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14566 (OMP_CLAUSE_RANGE_CHECK): Define.
14567 (OMP_CLAUSE_ELT_CHECK): Define.
14568 (omp_clause_check_failed): Declare.
14569 (omp_clause_operand_check_failed): Declare.
14570 (omp_clause_range_check_failed): Declare.
14571 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14572 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14573 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14574 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14575 (OMP_CLAUSE_IF_EXPR): Likewise.
14576 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14577 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14578 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14579 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14580 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14581 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14582 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14583 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14584 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14585 (OMP_CLAUSE_CODE): Define.
14586 (OMP_CLAUSE_SET_CODE): Define.
14587 (OMP_CLAUSE_CODE): Define.
14588 (OMP_CLAUSE_OPERAND): Define.
14589 (struct tree_omp_clause): Declare.
14590 (union tree_node): Add field 'omp_clause'.
14591 * treestruct.def (TS_OMP_CLAUSE): Define.
14592 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14593 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14594 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14595 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14596 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14597 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14598 (OMP_CLAUSE): Define.
14599 * print-tree.c (print_node): Handle OMP_CLAUSE.
14600 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14601 * c-typeck.c: Likewise.
14602 * gimplify.c: Likewise.
14603 * c-omp.c: Likewise.
14604 * tree-nested.c: Likewise.
14605 * tree-inline.c: Likewise.
14606 * c-parser.c: Likewise.
14607 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14610 2006-01-25 Roger Sayle <roger@eyesopen.com>
14612 PR rtl-optimization/25703
14613 * combine.c (try_combine): Handle zero_extract and strict_low_part
14614 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14616 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14618 * global.c: Fix comment typos.
14620 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14623 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14624 Use output_addr_const instead of assemble_name.
14626 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14628 * Makefile.in (sched-vis.o): Update dependencies.
14629 * haifa-sched.c (sched_finish): Clear current_sched_info.
14630 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14631 (dump_flow_info): Call it.
14632 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14634 * basic-block.h (dump_bb_info): Declare.
14635 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14636 option, and apply options only for dump files whose TDF_RTL,
14637 TDF_TREE, or TDF_IPA bits match.
14638 * rtl.h: Declare new functions exported from sched-vis.c.
14639 * sched-vis.c: Enable also if scheduling is not used.
14640 (print_value): Print the mode of registers if not inside scheduling.
14641 (print_insn): Make it work outside the scheduler. Beautify the output
14643 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14645 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14647 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14648 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14649 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14650 depending on the value of CONSTANT_POOL_ADDRESS_P.
14651 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14653 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14654 rather than SYMBOL_REF_DECL.
14655 (rtx_constant_pool): Remove const_rtx_sym_htab.
14656 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14657 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14658 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14659 Remove handling of const_rtx_sym_htab.
14660 (find_pool_constant): Delete.
14661 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14662 rather than find_pool_constant.
14663 (get_pool_constant_for_function): Delete.
14664 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14665 find_pool_constant.
14666 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14667 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14668 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14669 (SYMBOL_REF_CONSTANT): New macro.
14670 (get_pool_constant_for_function): Delete.
14671 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14672 rather than SYMBOL_REF_DECL.
14673 (i386_pe_mark_dllimport): Likewise.
14674 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14675 rather than SYMBOL_REF_DECL.
14676 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14677 (machopic_indirect_call_target): Likewise.
14679 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14681 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14683 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14685 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14687 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14689 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14691 2006-01-24 David Daney <ddaney@avtrex.com>
14694 * configure.ac (enable_tls): New enable option.
14695 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14696 * configure: Regenerate.
14697 * doc/install.texi (--enable-tls): Document new option.
14698 (--disable-tls): Ditto.
14700 2006-01-24 Richard Henderson <rth@redehat.com>
14702 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14703 * alias.c (true_dependence): Respect it.
14704 (canon_true_dependence, write_dependence_p): Likewise.
14705 * builtins.c (get_builtin_sync_mem): Set it.
14707 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14709 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14712 2006-01-24 DJ Delorie <dj@redhat.com>
14714 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14715 for storing constants in single-bit bitfields.
14717 2006-01-25 Ben Elliston <bje@au.ibm.com>
14719 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14721 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14724 * tree-ssa-pre.c (phi_translate): Return NULL
14725 for AGGREGATE_TYPE's.
14727 2006-01-24 Zack Weinberg <zackw@panix.com>
14729 * genautomata.c (process_state_for_insn_equiv_partition):
14730 Use xcalloc for insn_arcs_array.
14731 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14732 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14734 2006-01-24 Richard Henderson <rth@redhat.com>
14736 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14737 update all callers.
14739 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14741 PR rtl-optimization/25890
14742 PR rtl-optimization/25905
14743 * combine.c (expand_compound_operation, expand_field_assignment):
14744 Fail if the bitfield's final position is out of bounds.
14746 2006-01-24 Ian Lance Taylor <ian@airs.com>
14748 PR middle-end/25930
14749 * cgraphunit.c (cgraph_output_in_order): Don't clear
14750 cgraph_asm_nodes until after asm strings have been output.
14752 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14754 * fix-header.c (read_scan_file): Add new parameter imultilib when
14755 calling register_include_chains.
14757 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14759 * omp-low.c: Update documentation.
14761 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14762 Daniel Berlin <dberlin@dberlin.org>
14766 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14767 return from the function.
14769 2006-01-22 Zack Weinberg <zackw@panix.com>
14771 * rtl.def (match_code): Add second argument.
14772 * genpreds.c (write_extract_subexp): New function.
14773 (write_match_code): Add path argument. Use write_extract_subexp.
14774 (write_predicate_expr): Pass path to write_match_code.
14775 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14776 not perform a mode test.
14777 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14778 a subexpression does not constrain the top-level code set.
14779 * read-rtl.c (read_rtx_variadic): New function.
14780 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14781 * doc/md.texi: Document new notation.
14782 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14783 (cmpsi_operand): ... here, using new notation.
14785 2006-01-22 Zack Weinberg <zackw@panix.com>
14787 * varray.c: Remove GENERATOR_FILE #ifdefs.
14789 2006-01-22 Zack Weinberg <zackw@panix.com>
14791 * genautomata.c (output_reserved_units_table): Emit nothing if
14792 description->query_units_num is zero. Remove extra blank line.
14793 (output_cpu_unit_reservation_p): Short circuit
14794 if description->query_units_num is zero.
14796 2006-01-22 Zack Weinberg <zackw@panix.com>
14798 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14799 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14800 nor any of the random handful of variables that used to be necessary
14801 when this program was linked with rtlanal.o. Prune set of forward
14802 function declarations.
14803 (struct attr_desc): Remove static_p field.
14804 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14805 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14806 (attr_string): Do not read the character one past the length of
14808 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14809 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14810 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14811 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14812 (make_automaton_attrs): New.
14813 (main): Do not call into genautomata. Call local gen_bypass
14814 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14815 Remove special case for insn_alts.
14816 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14817 varray.h (leftover from previous change). Prune set of forward
14818 function declarations. Remove state_alts fields from all
14819 structures. Remove state_alts_table from struct automaton.
14820 Make everything except main static. Do not maintain num_dfa_decls.
14821 Do not maintain state_alts fields of various structures.
14822 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14823 (add_arc): Remove state_alts argument. All callers updated.
14824 (output_reserved_units_table): Emit #ifdef here...
14825 (output_tables): ...not here. Don't generate state_alts tables.
14826 (expand_automata): Don't generate attributes.
14827 (write_automata): Don't generate state_alts functions.
14828 (main): New function.
14829 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14830 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14831 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14832 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14833 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14834 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14835 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14836 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14838 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14839 * genattrtab.h: Delete file.
14840 * Makefile.in (OBJS-common): Add insn-automata.o.
14841 (insn-automata.o): New rule.
14842 (simple_generated_c): Add insn-automata.c.
14843 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14844 (genprogmd): Add automata.
14845 (build/genattrtab): Needs no extra objects nor libraries.
14846 (build/genautomata): Needs build/vec.o and -lm.
14848 2006-01-22 Zack Weinberg <zackw@panix.com>
14850 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14851 (output_dfa_max_issue_rate, locked_states_num): Delete.
14852 (struct automaton): Add locked_states field.
14853 (output_dead_lock_vect): Save number of locked states in
14854 automaton->locked_states. If it is zero, don't print anything.
14855 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14856 (output_internal_dead_lock_func): Only test the dead_lock_vect
14857 for automata that have locked states.
14858 (output_statistics): Always print the number of locked states for
14859 each automaton. Calculate total number of locked states here.
14860 (write_automata): Don't call output_dfa_max_issue_rate.
14861 * genattrtab.c: Define length_unit_log as a const variable.
14862 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14863 max_insn_queue_index const.
14864 * final.c (length_unit_log): Declare const.
14865 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14867 2006-01-22 Zack Weinberg <zackw@panix.com>
14869 * genautomata.c: Include vec.h, not varray.h.
14870 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14871 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14872 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14873 VEC_* macros operating on appropriately typed vectors, or to
14874 malloced arrays when the size is known in advance. Const-ify
14875 many char* variables and function arguments. No functional changes.
14876 * Makefile.in (build/varray.o): Delete rule.
14877 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14878 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14880 2006-01-22 Zack Weinberg <zackw@panix.com>
14882 * gensupport.c: Define get_insn_name and record_insn_name here.
14883 (read_md_rtx): Call record_insn_name as appropriate.
14884 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14885 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14886 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14888 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14889 (BUILD_VARRAY): Delete.
14890 (genprognormal): Rename genprogmd. Fold in all programs from
14891 genprognoprint; also attrtab.
14892 (build/genattrtab): Just mention genautomata.o and varray.o.
14893 Reorganize a bit, add comments to make the categories clearer.
14895 2006-01-22 Zack Weinberg <zackw@panix.com>
14897 * genconditions.c (condition_table, add_condition): Delete.
14898 (write_conditions): Don't emit n_insn_conditions nor
14899 insn_elision_unavailable. Issue the gcc version #ifdef here,
14900 inside the table, with no #else clause ...
14901 (write_header): ...not here.
14902 (write_writer): New function.
14903 (main): Don't initialize condition_table. Use add_c_test.
14905 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14906 files on the command line.
14907 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14908 Return -1 if there is no entry in the table, don't abort.
14909 (add_c_test, traverse_c_tests): New functions.
14910 * gensupport.h (insn_elision_unavailable, insn_conditions)
14911 (n_insn_conditions): Delete declarations.
14912 (add_c_test, traverse_c_tests): Declare.
14913 * read-rtl.c: Include gensupport.h.
14914 (read_conditions): New function.
14915 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14916 (read_rtx_1): If we get EOF when we were looking for an initial
14917 open paren, return 0. Call read_conditions when appropriate.
14918 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14919 dummy-conditions.o. Eliminate references to insn-conditions.o,
14920 or change them to build/gencondmd.o, as appropriate. Remove
14921 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14922 from $(simple_generated_c). For all files remaining in those
14923 two lists, add insn-conditions.md to the generator command line.
14924 Give insn-constants.h/s-constants their own rules. Add rules
14925 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14926 (build/read-rtl.o): Depend on gensupport.h.
14927 (genprognormal): Include preds.
14928 (genprogearly): Rename genprognoprint; only difference is now that
14929 they don't link with $(BUILD_PRINT).
14930 * dummy-conditions.c: Delete.
14932 2006-01-22 Zack Weinberg <zackw@panix.com>
14934 * genextract.c: Don't include insn-config.h. Do include vec.h.
14935 Declare vectors of int, char, and locstr.
14936 (locstr): New typedef.
14937 (struct extraction): Make all array fields into bare pointers.
14938 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14939 (insn_code_number): Delete.
14940 (accum_extract): New struct.
14941 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14942 (gen_insn): Take insn_code_number as an argument. Use an
14943 accum_extract structure instead of loading data directly into
14944 a struct extraction, and having to know how big it might get.
14945 (walk_rtx): Operate entirely on an accum_extract structure.
14946 (print_path): Avoid unnecessary use of printf.
14947 (print_header): New function, split out of main. Distinguish
14948 more carefully between an unrecognizable insn and an insn that
14949 has the code number of a define_expand.
14950 (main): Pass insn_code_number to gen_insn. Call print_header
14951 only after parsing. Avoid unnecessary use of printf.
14952 * Makefile.in (build/vec.o): New rule.
14953 (build/genextract): Depend on build/vec.o.
14954 (build/genextract.o): Don't depend on insn-config.h.
14956 2006-01-22 Zack Weinberg <zackw@panix.com>
14958 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14959 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14960 practical. Eliminate per-generator-program link rules.
14962 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14964 PR middle-end/24437
14965 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14966 with a call expr to ...
14967 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14969 2006-01-23 Richard Guenther <rguenther@suse.de>
14971 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14972 before make_edge with conditional EDGE_TRUE_VALUE.
14974 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14975 Jan Hubicka <jh@suse.cz>
14976 Richard Guenther <rguenther@suse.de>
14978 PR rtl-optimization/25654
14979 * cfgexpand.c (aggregate_contains_union_type): New function.
14980 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14981 for structure variables that contain a union type.
14983 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14985 * gengtype.c (new_structure): Return the structure.
14986 (create_option): Add an extra "next" argument.
14987 (create_field): New function.
14988 (adjust_field_rtx_def): Use create_option and create_field.
14989 Remove a now-unnecessary call to find_structure.
14990 (adjust_field_tree_def): Likewise.
14991 (note_yacc_type): Remove an unnecessary call to find_structure.
14992 * gengtype.h (new_structure): Return the structure.
14993 (create_option): Add an extra argument.
14994 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14995 (option): Adjust calls to create_option.
14997 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14999 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15001 2006-01-22 Paul Brook <paul@codesourcery.com>
15002 Peter Barada <peter@the-baradas.com>
15004 * config/m68k/m68k.md: Add Coldfire FPU support.
15005 Define FP mode macro and associated attributes.
15006 Use it for float mode patterns.
15007 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15008 (LIBCALL_VALUE): Use m68k_libcall_value.
15009 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15010 (m68k_function_value): Ditto.
15011 (emit_move_sequence): Ditto.
15012 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15013 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15014 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15015 (MULTILIB_EXCEPTIONS): Ditto.
15016 * config/m68k/m68k.opt: Add mcfv4e.
15017 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15018 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15019 (m68k_output_function_prologue): Save ColdFire FPU registers.
15020 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15021 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15022 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15023 ColdFire FPU registers.
15024 (m68k_libcall_value, m68k_function_value): New functions.
15025 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15026 (LIBCALL_VALUE): Use m68k_libcall_value.
15027 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15028 (MASK_COLDFIRE): Add MASK_CFV4E.
15029 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15030 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15031 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15032 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15033 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15034 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15035 * doc/invoke.tex: Document -mcfv4e on m68k.
15037 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15039 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15042 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15045 * c-opts.c (c_common_handle_option): Don't include
15046 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15047 * doc/invoke.texi (C++ Dialect Options): Document that
15048 -Wnon-virtual-dtor is no longer included in -Wall.
15050 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15052 * gcov.c (print_version), gcov-dump.c (print_version),
15053 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15056 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15058 * df-scan.c (problem_SCAN): Added NULL reset function.
15059 (df_scan_reset_blocks): Added code to call reset block function
15060 (df_bb_refs_delete) Fixed comment.
15061 (df_insn_refs_delete): Made tolerant of deleting non existent info
15062 for dataflow problems that need to be reset.
15063 * df-core.c (df_set_blocks): Ditto.
15064 * df.h (struct df_problem): Added reset_fun.
15065 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15066 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15067 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15068 functions to clear out all references to def-use or use-def chains.
15070 2006-01-21 Ben Elliston <bje@au.ibm.com>
15072 * varasm.c (assemble_real): Initialise data array.
15074 2006-01-20 Paul Brook <paul@codesourcery.com>
15076 Merge from csl-arm-branch.
15077 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15078 * config/arm/arm.md (movdi): Force operands[1] to a register
15079 if we have a non-register source.
15080 (*arm_movdi, *movdf_soft_insn): Require that one of the
15081 operands be a register.
15082 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15083 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15085 2006-01-20 DJ Delorie <dj@redhat.com>
15087 * varasm.c (initializer_constant_valid_p): Allow pointers
15088 initialized from integer constants of lesser precision.
15089 (output_constant): Allow non-int-sized pointer modes to be
15090 initialized from integer constants.
15092 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15095 * cppdefault.h (struct default_include): Add multilib flag.
15096 * cppdefault.c (cpp_include_defaults): Set it.
15097 * c.opt (-imultilib): New option.
15098 * c-opts.c (imultilib): New.
15099 (c_common_handle_option): Handle -imultilib.
15100 (c_common_post_options): Likewise.
15101 * c-incpath.c (add_standard_paths, register_include_chains):
15103 * c-incpath.h (register_include_chains): Add extra parameter.
15104 * gcc.c (do_spec_1): Generate -imultilib option.
15105 (The Specs Language): Update %I description.
15106 (process_command): Update copyright notice.
15107 * doc/cppopts.texi (-imultilib): Document.
15108 * doc/invoke.texi (-imultilib): Include in option summary.
15109 (%I): Update specs documentation.
15111 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15113 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15115 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15117 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15120 2006-01-20 Richard Guenther <rguenther@suse.de>
15121 Steven Bosscher <stevenb.gcc@gmail.com>
15123 PR rtl-optimization/24626
15124 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15125 EDGE_TRUE_VALUE if in RTL mode.
15128 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15129 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15131 2006-01-20 Dirk Mueller <dmueller@suse.com>
15134 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15135 instead of a special NOP marker.
15136 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15137 NOP marker handling.
15138 * c-common.h (empty_body_warning): Add forward declaration.
15139 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15140 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15142 2006-01-20 Paul Brook <paul@codesourcery.com>
15144 * Makefile.in (lang_checks): Keep going if mkdir fails.
15146 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15148 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15149 be able to clean out basic block when not necessary.
15150 (df_scan_free): Fixed to properly delete information if df is
15151 unused before calling df_finish.
15152 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15153 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15155 (df_bb_refs_delete): New function.
15156 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15157 * df-core.c (df_set_blocks): Added code to properly clean out
15158 unused blocks if they are not part of the blocks to consider.
15159 Added additional null check.
15160 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15161 be able to clean out basic block when not necessary
15162 * df.h (df_free_bb_function): Ditto.
15163 (df_bb_refs_delete): New function.
15164 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15165 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15166 basic block parameter to be able to clean out basic block when not
15168 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15169 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15170 Fixed to properly delete information if df is unused before
15173 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15175 PR rtl-optimization/25799
15176 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15177 Corrected confluence operator to remove bits from op2 before oring
15178 with op1 rather than removing bits from op1.
15179 (df_ru_transfer_function): Corrected test on wrong bitmap which
15180 caused infinite loop. Both of these problems were introduced in
15181 the dataflow rewrite.
15183 2006-01-19 DJ Delorie <dj@redhat.com>
15185 * reload1.c (find_reload_regs): Note the details of reload
15186 failures in the dump file.
15187 (spill_failure): Likewise.
15189 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15191 * loop-iv.c: Include df.h and hashtab.h.
15192 (enum iv_grd_result): New enum.
15193 (DF_REF_IV, DF_REF_IV_SET): New macros.
15194 (struct biv_entry): New.
15195 (df, bivs): New global variables.
15196 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15197 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15199 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15200 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15201 analyzed_for_bivness_p, record_biv): New functions.
15202 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15203 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15204 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15206 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15208 (iv_number_of_iterations): Use new interface to iv analysis.
15209 * loop-unroll.c: Do not include varray.h.
15210 (analyze_iv_to_split_insn): Use new interface to iv
15212 * loop-unswitch.c (may_unswitch_on): Ditto.
15213 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15215 (df_bb_modify): Realloc tables to the new index.
15216 (df_find_use): New function.
15217 * df.h (df_find_use): Declare.
15218 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15220 * cfgloop.h (struct rtx_iv): Remove analysed field.
15221 (iv_get_reaching_def): Removed.
15222 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15223 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15224 (loop-iv.o): Add df.h and hashtab.h dependency.
15225 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15227 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15230 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15232 (__floatundisf, __floatundidf): Likewise.
15233 * libgcc2.h (IS_IBM_EXTENDED): Define.
15235 2006-01-19 DJ Delorie <dj@redhat.com>
15237 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15239 2006-01-19 Paul Brook <paul@codesourcery.com>
15241 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15242 as nothrow when unwinding tables are disabled.
15244 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15247 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15248 of bit-field" when in system header.
15250 2006-01-19 DJ Delorie <dj@redhat.com>
15252 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15253 the 16 bit shift limit of the m16c.
15255 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15258 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15259 * config/i386/i386.c (output_set_got): Output the label if we have one
15260 for the TARGET_DEEP_BRANCH_PREDICTION case.
15262 2006-01-19 Jan Hubicka <jh@suse.cz>
15263 H.J. Lu <hongjiu.lu@intel.com>
15264 Evandro Menezes <evandro.menezes@amd.com>
15266 * invoke.texi (generic): Document
15268 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15269 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15270 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15271 (x86_use_incdec, x86_pad_returns): New variables
15272 (TARGET_CPU_DEFAULT_generic): New constant
15273 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15274 (enum processor_type): Add generic32 and generic64.
15275 * i386.md (cpu attribute): Add generic32/generic64
15276 (movhi splitter): Behave sanely when both partial_reg_dependency and
15277 partial_reg_stall are set.
15278 (K8 splitters): Enable for generic as well.
15279 * predicates.md (incdec_operand): Use TARGET_INCDEC
15280 (aligned_operand): Avoid memory mismatch stalls.
15281 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15282 * ppro.md: Enable for generic32
15283 * i386.c (generic64_cost, generic32_cost): New.
15284 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15285 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15286 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15287 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15288 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15289 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15290 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15291 x86_accumulate_outgoing_args, x86_prologue_using_move,
15292 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15293 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15294 Enable for generic.
15295 (x86_use_incdec, x86_pad_returns): New.
15296 (override_options): Add generic32 and generic64, translate "generic"
15297 to generic32/generic64 and "i686" to "generic32", refuse
15298 "generic32"/"generic64" as arch target.
15299 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15300 (ix86_reorg): Honor PAD_RETURNS.
15302 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15304 * tree-pretty-print.c (dump_generic_node): Handle
15305 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15306 * cgraph.c (cgraph_expand_queue): Rename from
15307 cgraph_analyze_queue. Update all users.
15308 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15309 cgraph_expand_queue.
15310 (cgraph_expand_all_functions): Likewise.
15311 (cgraph_finalize_pending_functions): Remove. Update callers.
15313 * tree.h (OMP_DIRECTIVE_P): Define.
15314 (OMP_PARALLEL_FN): Define.
15315 (OMP_PARALLEL_DATA_ARG): Define.
15316 (OMP_SECTIONS_SECTIONS): Define.
15317 * tree-pass.h (pass_expand_omp): Declare.
15318 * omp-low.c (struct omp_region): Declare.
15319 (struct omp_context): Remove fields 'parallel_type',
15320 'parallel_start_ix' and 'parallel_start_additional_args'.
15322 (struct omp_for_data): Rename from struct expand_omp_for_data.
15323 (omp_regions): New static variable.
15324 (root_omp_region): New static variable.
15325 (find_omp_clause): Make static.
15326 (is_in_combined_parallel_ctx): Remove.
15327 (is_combined_parallel): New.
15328 (extract_omp_for_data): Move earlier in the file.
15329 (workshare_safe_to_combine_p): New.
15330 (get_ws_args_for): New.
15331 (determine_parallel_type): Move earlier in the file.
15332 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15334 (omp_copy_decl): Likewise.
15335 (create_omp_child_function): Likewise.
15336 (lookup_omp_region): New.
15337 (dump_omp_region): New.
15338 (debug_omp_region): New.
15339 (debug_all_omp_regions): New.
15340 (new_omp_region): New.
15341 (scan_omp_parallel): If parallel_nesting_level > 1, the
15342 directive is nested within another parallel directive.
15343 Set OMP_PARALLEL_FN.
15344 (scan_omp_for): Do not try to handle combined parallel+for
15346 Remove FIXME comment.
15347 (scan_omp_nested): Remove.
15348 (scan_omp_1): Do not call scan_omp_nested when
15349 parallel_nesting_level is > 1.
15350 Do not change the DECL_CONTEXT of local variables found.
15351 (lookup_decl_in_outer_ctx): New.
15352 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15353 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15354 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15355 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15356 If CTX is nested, lookup VAR in the outer context when
15357 building copy assignment.
15358 (lower_send_clauses): Rename from expand_send_clauses.
15359 If CTX is nested, lookup VAR in the outer context when
15360 building copy assignments.
15361 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15362 If CTX is nested, lookup VAR in the outer context when
15363 building copy assignments.
15364 (expand_parallel_call): Rename from build_parallel_call.
15365 Handle combined parallel+workshare cases.
15366 Re-implement to emit code into the CFG.
15368 (expand_omp_parallel): Re-implement to emit code into the CFG.
15369 Call move_sese_region_to_fn to outline the sub-graph
15370 containing the parallel region.
15371 (expand_omp_for_1): Remove.
15372 (expand_omp_for_generic): Re-implement to emit code into the
15374 (expand_omp_for_static_nochunk): Likewise.
15375 (expand_omp_for_static_chunk): Likewise.
15376 (expand_omp_for): Likewise.
15377 (expand_omp_sections): Likewise.
15378 (remove_exit_barriers): New.
15379 (expand_omp_synch): New.
15381 (build_omp_regions_1): New.
15382 (build_omp_regions): New.
15383 (execute_expand_omp): New.
15384 (gate_expand_omp): New.
15385 (pass_expand_omp): Define.
15386 (lower_omp_sections): Rename from expand_omp_sections.
15387 Set OMP_SECTIONS_SECTIONS.
15388 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15389 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15390 (lower_omp_single): Rename from expand_omp_simple.
15391 (lower_omp_master): Rename from expand_omp_master.
15392 (lower_omp_ordered): Rename from expand_omp_ordered.
15393 (lower_omp_critical): Rename from expand_omp_critical.
15394 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15395 (lower_omp_for): Re-implement.
15396 (lower_omp_parallel): Re-implement.
15397 (lower_regimplify): Rename from expand_regimplify.
15398 (lower_omp_1): Rename from expand_omp_1.
15399 If there are syntax errors in the program, replace every
15400 OpenMP directive with NOP.
15401 Call lower_omp_* instead of expand_omp_*.
15402 (lower_omp): Rename from expand_omp.
15404 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15405 * tree-gimple.h (enum omp_parallel_type): Remove.
15406 (gimple_boolify): Declare extern.
15407 (find_omp_clause, determine_parallel_type): Remove.
15409 * gimple-low.c (lower_omp_directive): New.
15410 (lower_stmt): Call it.
15411 (record_vars_into): Move from ...
15412 (record_vars): ... here.
15413 Call record_vars_into with current_function_decl.
15415 * gimplify.c (struct gimplify_ctx): Remove fields
15416 combined_pre_p and combined_ctxp. Update users.
15417 (get_formal_tmp_var): Add documentation.
15418 (gimple_boolify): Make extern.
15419 (gimplify_expr_in_ctx): Remove. Update callers.
15420 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15421 will always be a BIND_EXPR.
15422 (gimplify_expr): Handle OMP_RETURN_EXPR.
15423 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15424 (OMP_PARALLEL): Add 3 operands.
15425 (OMP_SECTIONS): Add 1 operand.
15426 (OMP_RETURN_EXPR): Define.
15428 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15429 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15430 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15431 creating a circular free list.
15432 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15434 * tree-flow.h (move_sese_region_to_fn): Declare.
15435 (record_vars_into): Declare.
15436 * tree-cfg.c (make_omp_sections_edges): New.
15437 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15438 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15439 OMP_SECTIONS and OMP_SECTION.
15440 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15441 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15442 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15443 (gather_blocks_in_sese_region): New.
15444 (struct move_stmt_d): Declare.
15445 (move_stmt_r): New.
15446 (move_block_to_fn): New.
15447 (move_sese_region_to_fn): New.
15449 * passes.c (init_optimization_passes): Schedule
15450 pass_expand_omp after pass_init_datastructures.
15452 * tree-ssa-operands.c (get_expr_operands): Handle
15453 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15454 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15456 2006-01-19 Jeff Law <law@redhat.com>
15458 * tree-vrp.c (extract_range_from_assert): Refine the result range
15459 if the variable referenced by the ASSERT_EXPR has a range and
15460 either the tentative result range or the previous range is a
15463 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15465 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15467 2006-01-19 Jan Hubicka <jh@suse.cz>
15469 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15471 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15473 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15474 (expand_compound_operation, expand_field_assignment): Fail if the
15475 bit lengths of an extract operation are out of range.
15476 (make_extraction): Compute wanted_inner_mode based on the position
15477 and length of the extraction. Make it extraction_mode for non-constant
15478 positions, and do not modify offset in that case. When generating a
15479 new MEM, use a mode that can hold the extraction while keeping correct
15480 alignment. Remove code that supported MEMs wrapped by USEs.
15481 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15483 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15485 * config/s390/s390.md ("Y", "y"): New mode attribute.
15486 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15487 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15488 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15489 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15490 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15491 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15492 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15493 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15494 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15495 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15496 "addsi3", "subsi3"): Insn patterns removed.
15497 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15498 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15499 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15500 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15501 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15502 "*sub<mode>3_cconly2"): New insn patterns.
15503 ("addsi3", "subsi3"): New expanders.
15505 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15507 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15508 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15509 existing STMT_VINFO_VECTYPE if available.
15510 (vect_mark_relevant): Add special handling for stmts that are
15511 marked as STMT_VINFO_IN_PATTERN_P.
15512 (vect_analyze_loop): Call vect_pattern_recog.
15513 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15514 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15516 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15517 (vect_recog_func_ptr): New function-pointer type.
15518 * tree-vect-patterns.c: New file.
15519 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15520 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15521 (vect_pattern_recog_1): New functions.
15522 (vect_pattern_recog_funcs): New array of function pointers.
15524 * tree-vectorizer.h (ternary_op): New enum value.
15525 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15526 declaration. Revised documentation. Removed redundant dump prints.
15527 Removed redundant argument. Added support for reduction patterns.
15528 (vectorizable_reduction): Added support for reduction patterns.
15529 (vect_transform_stmt): Added support for patterns.
15531 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15532 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15533 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15534 (expand_widen_pattern_expr): New function.
15535 (init_optabs): Initialize new optabs udot_prod_optab,
15537 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15538 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15539 (expand_widen_pattern_expr): New function declaration.
15540 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15542 * tree-inline.c (estimate_num_insns_1): Added cases for new
15543 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15544 * tree-pretty-print.c (dump_generic_node): Likewise.
15545 (op_prio): Likewise.
15546 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15547 * tree-ssa-operands.c (get_expr_operands): Added case for
15549 * tree-vect-patterns.c (widened_name_p): New function.
15550 (vect_recog_dot_prod_pattern): Added function implementation.
15551 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15552 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15553 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15554 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15556 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15557 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15558 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15559 (init_optabs): Initialize new optabs widen_ssum_optab,
15561 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15562 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15563 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15564 use instead of type of def.
15565 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15566 function implementation.
15567 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15568 widen_ssumv8hi): New.
15570 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15573 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15576 * c-decl.c (add_flexible_array_elts_to_size): New function.
15577 (finish_decl): Use it.
15579 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15581 * diagnostic.h: Include options.h.
15582 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15583 dependancies for diagnostic.h.
15584 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15586 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15588 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15589 (ssa_ro_call_cache_valid): Ditto.
15590 * tree-ssa-alias.c (sort_tags_by_id): New function.
15591 (init_transitive_clobber_worklist): Ditto.
15592 (add_to_worklist): Ditto.
15593 (mark_aliases_call_clobbered): Ditto.
15594 (compute_tag_properties): Ditto.
15595 (set_initial_properties): Ditto.
15596 (compute_call_clobbered): Ditto.
15597 (compute_may_aliases): Call compute_call_clobbered and grouping.
15598 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15599 (compute_flow_insensitive_aliasing): Grouping now happens in our
15601 (setup_pointers_and_addressables): Remove clobbering related code.
15602 (add_may_alias): Ditto.
15603 (replace_may_alias): Ditto.
15604 (get_nmt_for): Ditto.
15605 (create_global_var):
15606 (is_escape_site): Return an escape_type enumeration.
15607 * tree-flow-inline.h (is_call_clobbered): Global var does not
15608 imply call clobbered.
15609 (mark_call_clobbered): Take a reason for marking this. Remove
15610 marking of globalness, and cache invalidation.
15611 (clear_call_clobbered): Remove cache invalidation code.
15612 * tree-dfa.c (dump_variable): If details is on, dump the reason
15614 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15616 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15617 (struct var_ann_d): Ditto.
15618 (enum escape_type): New.
15619 (mark_call_clobbered): Adjust prototype.
15620 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15621 are never call clobbered.
15622 Record reasons for escaping.
15623 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15624 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15625 (ssa_ro_call_cache_valid): Ditto.
15626 (clobbered_v_may_defs): Ditto.
15627 (clobbered_vuses): Ditto.
15628 (ro_call_vuses): Ditto.
15629 (clobber_stats): New.
15630 (init_ssa_operands): Zero out clobber stats.
15631 (fini_ssa_operands): Print out clobber stats.
15632 (get_call_expr_operands): Pass callee fndecl to
15633 add_call_read_ops).
15634 (add_call_clobber_ops): Remove use of cache.
15635 Add use of PURE_CONST information.
15636 (add_call_read_ops): Remove use of cache.
15637 Add use of static not_read information.
15639 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15641 Introduce TLS descriptors for i386 and x86_64.
15642 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15643 (TARGET_ANY_GNU_TLS): New macro.
15644 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15645 (struct machine_function): Add tls_descriptor_call_expanded_p.
15646 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15647 (ix86_current_function_calls_tls_descriptor): Likewise.
15648 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15649 (override_options): Introduce gnu2 tls dialect.
15650 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15652 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15654 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15655 (ix86_init_machine_status): Initialize new field.
15656 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15657 (ix86_tls_module_base): New.
15658 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15659 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15660 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15661 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15662 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15663 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15664 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15665 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15666 * config/i386/predicates.md (tls_modbase_operand): New.
15667 (tp_or_register_operand): New.
15669 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15671 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15672 (look_for_address_of): Ditto.
15673 (ipa_init): Walk the function decls.
15674 (static_execute): Don't set readonly on FUNCTION_DECL's.
15676 2006-01-18 Roger Sayle <roger@eyesopen.com>
15678 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15679 for shifts where the source and destination registers are different.
15681 2006-01-18 Paul Brook <paul@codesourcery.com>
15683 Merge from csl-arm-branch.
15684 2005-03-14 Julian Brown <julian@codesourcery.com>
15685 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15686 (aeabi_llsl): Likewise.
15687 (ashrdi3): Likewise.
15688 (aeabi_lasr): Likewise.
15689 (lshrdi3): Likewise.
15690 (aeabi_llsr): Likewise.
15691 2005-03-10 Julian Brown <julian@codesourcery.com>
15692 * config.gcc: Disable shared libgcc for SymbianOS.
15693 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15695 2006-01-18 DJ Delorie <dj@redhat.com>
15697 * c-pragma.c (handle_pragma_diagnostic): New.
15698 (init_pragma): Register it.
15699 * doc/extend.texi: Document it.
15701 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15702 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15703 (diagnostic_context): Add classify_diagnostic[].
15704 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15705 as errors if they're overridden to DK_WARNING.
15706 (diagnostic_initialize): Initialize classify_diagnostic[].
15707 (diagnostic_set_kind_override): New.
15708 (diagnostic_report_diagnostic): Check for kind changes.
15709 * opts.c (common_handle_option): Take lang_mask. Update callers.
15710 Handle OPT_Werror_.
15711 * common.opt (Werror=): New.
15712 * doc/invoke.texi: Document -Werror=*
15714 2006-01-18 Jeff Law <law@redhat.com>
15716 * tree-vrp.c (test_for_singularity): Correct test for new
15717 min limit. Use operand_equal_p rather than pointer equality
15718 for testing if new min/max values are equal.
15720 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15721 using range information until after propagation and folding.
15723 2006-01-18 Richard Henderson <rth@redhat.com>
15724 Aldy Hernandez <aldyh@redhat.com>
15725 Jakub Jelinek <jakub@redhat.com>
15726 Diego Novillo <dnovillo@redhat.com>
15728 * omp-low.c: New file.
15729 * c-omp.c: New file.
15731 2006-01-18 Richard Henderson <rth@redhat.com>
15732 Jakub Jelinek <jakub@redhat.com>
15733 Diego Novillo <dnovillo@redhat.com>
15735 * doc/invoke.texi: Document -fopenmp.
15736 * tree-dump.h (debug_function): Declare.
15737 * hooks.c (hook_bool_tree_bool_false): New function.
15738 (hook_tree_tree_null): Remove.
15739 (hook_tree_tree_tree_null): New.
15740 * hooks.h: Update to match.
15741 * tree-pretty-print.c (debug_tree_chain): New.
15742 (print_generic_expr): Handle TDF_CHAIN.
15743 (dump_generic_node): Handle BLOCK.
15744 Do not abort with incomplete SWITCH_EXPRs.
15745 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15746 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15747 print space after directive name.
15748 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15749 Handle OMP_MASTER and OMP_ORDERED.
15750 Handle printing of OMP_BODY just in one place, goto
15751 dump_omp_body in the rest of OMP_* nodes that have
15753 Don't handle clause nodes here. Update omp statements to
15754 use dump_omp_clauses.
15755 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15756 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15757 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15758 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15759 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15760 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15761 Adjust output for GOMP_PARALLEL.
15762 (dump_omp_clauses): New.
15763 (print_declaration): Dump DECL_VALUE_EXPR.
15764 (op_symbol_1): Split out of op_symbol.
15765 (dumping_stmts): Remove. Update all users.
15766 * cgraph.c (cgraph_analyze_queue): New.
15767 (cgraph_add_new_function): New.
15768 * cgraph.h (cgraph_analyze_queue): Declare.
15769 (cgraph_add_new_function): Declare.
15770 (cgraph_lower_function): Remove.
15771 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15772 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15773 and TYPE_P nodes in its default clause.
15774 (empty_body_p): New.
15775 (tree_range_check_failed): New.
15776 (build5_stat): New.
15777 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15778 OMP_CLAUSE_REDUCTION_MERGE,
15779 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15780 OMP_CLAUSE_PRIVATE_DEBUG,
15781 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15782 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15783 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15784 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15785 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15786 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15787 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15788 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15789 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15790 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15791 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15792 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15793 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15794 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15795 (TREE_RANGE_CHECK): New.
15796 (empty_body_p): Declare.
15797 (enum omp_clause_default_kind): New.
15798 (build_string_literal): Declare.
15799 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15800 (build5_stat, build5): Declare.
15801 * tree-pass.h (TDF_CHAIN): Define.
15802 * tree-pass.h (PROP_gimple_lomp): Define.
15803 (pass_lower_omp): Declare.
15804 * diagnostic.h (debug_tree_chain): Declare.
15805 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15807 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15808 * builtins.c (build_string_literal): Make extern.
15809 * gcc.c (include_spec_function): New.
15810 (static_spec_functions): Add it.
15811 (main): Move load of libgomp.spec ...
15812 (LINK_COMMAND_SPEC): ... here.
15813 (link_gomp_spec): New.
15814 (static_specs): Include it.
15815 (LINK_COMMAND_SPEC): Add link_gomp.
15816 (GOMP_SELF_SPECS): New.
15817 (driver_self_specs): Include it.
15818 (switch_matches): Don't mark inline.
15819 (main): Load libgomp.spec.
15820 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15821 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15822 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15823 * tree-gimple.h (enum omp_parallel): Declare.
15824 (determine_parallel_type): Declare.
15825 (omp_firstprivatize_variable): Declare.
15826 (omp_reduction_init): Declare.
15827 (diagnose_omp_structured_block_errors): Declare.
15828 (struct walk_stmt_info): Add want_return_expr.
15829 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15830 (find_omp_clause): Declare.
15831 (insert_field_into_struct): Declare.
15832 (struct walk_stmt_info): Move from tree-nested.c
15833 (walk_stmts): Declare.
15834 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15836 * cgraphunit.c (cgraph_lower_function): Make static.
15837 (cgraph_finalize_pending_functions): New.
15838 (cgraph_finalize_function): Call it.
15839 (cgraph_finalize_compilation_unit): Likewise.
15840 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15841 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15842 (BT_FN_UINT_UINT): New.
15843 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15844 DEF_FUNCTION_TYPE_VAR_4): Document.
15845 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15846 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15847 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15848 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15849 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15850 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15851 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15852 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15853 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15854 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15855 into separate files.
15856 (DEF_GOMP_BUILTIN): New.
15857 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15858 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15859 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15860 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15861 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15862 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15863 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15864 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15865 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15866 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15867 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15868 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15869 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15870 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15871 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15872 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15873 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15874 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15875 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15876 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15877 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15878 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15879 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15880 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15881 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15882 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15883 * sync-builtins.def: New file, moved from builtins.def.
15884 * omp-builtins.def: New file, moved from builtins.def.
15885 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15886 * gimple-low.c (lower_function_body): Clear data.
15887 (lower_stmt): Do not handle COMPOUND_EXPR.
15888 Remove call to print_node_brief.
15889 * c-tree.h (c_finish_omp_clauses): New prototype.
15890 (C_DECL_THREADPRIVATE_P): Define.
15891 (lookup_name_no_remap, c_omp_remap_private): Remove
15892 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15893 (check_for_loop_decls): Update decl.
15894 (lookup_name_no_remap, c_omp_remap_private): Declare.
15895 (build_indirect_ref, build_modify_expr, pushdecl,
15896 pushdecl_top_level): Move to c-common.h.
15897 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15898 before the switch, but just in the 2 places that need it.
15899 * c-decl.c (diagnose_mismatched_decls): Do not check for
15900 mismatched thread-local attributes when OLDDECL is marked
15901 threadprivate and NEWDECL has no thread-local attributes.
15902 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15903 (c_gimple_diagnostics_recursively): Rename from
15904 c_warn_unused_result_recursively. Invoke
15905 diagnose_omp_structured_block_errors.
15906 (check_for_loop_decls): Return a singular decl found.
15907 * langhooks.c (lhd_omp_predetermined_sharing): Return
15908 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15909 (lhd_omp_firstprivatize_type_sizes): New.
15910 (lhd_omp_assignment): New.
15911 (lhd_omp_predetermined_sharing): New.
15912 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15913 (struct lang_hooks_for_types): Add
15914 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15915 omp_predetermined_sharing, omp_disregard_value_expr,
15916 omp_private_debug_clause, omp_clause_default_ctor,
15917 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15918 (c_finish_omp_clauses): New.
15919 (c_finish_bc_stmt): Diagnose break within omp for.
15920 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15921 (build_unary_op): Return error_mark after reporting
15923 (build_modify_expr): Likewise.
15924 * gimplify.c: Include optabs.h and pointer-set.h.
15925 (enum gimplify_omp_var_data): Declare.
15926 (struct gimplify_omp_ctx): Declare.
15927 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15929 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15930 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15931 (splay_tree_compare_decl_uid): New.
15932 (new_omp_context): New.
15933 (delete_omp_context): New.
15934 (gimple_add_tmp_var): Call omp_add_variable.
15935 (gimplify_bind_expr): Likewise.
15936 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15937 true, disregard DECL_VALUE_EXPR on the decl if any.
15938 (gimplify_expr_in_ctx): New.
15939 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15940 omp_add_variable, omp_notice_variable, omp_is_private
15941 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15942 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15943 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15944 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15945 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15946 gimplify_omp_atomic): New.
15947 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15948 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15949 OMP_CRITICAL and OMP_ATOMIC.
15950 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15951 * c-pragma.h (enum pragma_kind): Add
15952 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15953 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15954 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15955 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15956 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15957 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15958 PRAGMA_OMP_THREADPRIVATE.
15959 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15960 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15961 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15962 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15963 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15964 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15965 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15966 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15967 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15968 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15969 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15970 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15971 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15973 (struct nesting_info): Add field_map,
15974 suppress_expansion, debug_var_chain.
15975 (create_nesting_tree): Initialize them.
15976 (lookup_field_for_decl): Use field_map.
15977 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15978 (convert_local_omp_clauses): New.
15979 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15980 (walk_body): Split out of walk_function.
15981 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15982 (convert_nonlocal_reference): Handle omp statements.
15983 (convert_local_reference): Likewise.
15984 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15985 (unnest_nesting_tree): New.
15986 (lower_nested_functions): Call it.
15987 (insert_field_into_struct): Make extern.
15988 (struct walk_stmt_info): Move to tree-gimple.h.
15989 (walk_stmts): Make extern.
15990 * omp-builtins.def: New file.
15991 * tree-iterator.c (expr_only): Clarify comment.
15992 * c-common.h (pushdecl_top_level, pushdecl,
15993 build_modify_expr, build_indirect_ref,
15994 c_finish_omp_master, c_finish_omp_critical,
15995 c_finish_omp_ordered, c_finish_omp_barrier,
15996 c_finish_omp_atomic, c_finish_omp_flush,
15997 c_finish_omp_for, c_split_parallel_clauses,
15998 omp_clause_default_kind, c_omp_sharing_predetermined,
15999 c_omp_remap_decl): Declare.
16000 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16001 (OBJS-common): Add omp-low.o.
16002 (c-omp.o, omp-low.o): Add.
16003 (gimplify.o): Add dependency on $(OPTABS_H).
16004 (GTFILES): Add omp-low.c.
16005 (gt-stringpool.h): Add.
16006 * tree-cfg.c (set_bb_for_stmt): Do not update the
16007 block-to-labels map if we are currently expanding to RTL.
16008 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16010 Handle IDENTIFIER_NODE.
16011 (tree_verify_flow_info): Do not ICE when emitting error
16012 messages about invalid labels.
16013 (dump_function_to_file): Reset CFUN before emitting the body
16015 (debug_function): New.
16016 * passes.c (init_optimization_passes): Schedule
16018 * langhooks-def.h (lhd_omp_predetermined_sharing,
16019 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16021 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16022 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16023 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16024 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16025 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16026 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16027 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16028 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16029 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16030 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16031 (LANG_HOOK_DECLS): Use them.
16033 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16034 Richard Henderson <rth@redhat.com>
16035 Jakub Jelinek <jakub@redhat.com>
16036 Diego Novillo <dnovillo@redhat.com>
16038 * c-parser.c (pragma_omp_clause): Define.
16039 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16040 (c_parser_compound_statement): Likewise.
16041 (c_parser_statement): Likewise.
16042 (c_parser_pragma): Handle omp pragmas.
16043 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16044 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16045 (c_parser_omp_clause_name, check_no_duplicate_clause,
16046 c_parser_omp_variable_list,
16047 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16048 c_parser_omp_clause_copyprivate,
16049 c_parser_omp_clause_default,
16050 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16051 c_parser_omp_clause_lastprivate,
16052 c_parser_omp_clause_nowait,
16053 c_parser_omp_clause_num_threads,
16054 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16055 c_parser_omp_clause_reduction,
16056 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16057 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16058 c_parser_omp_atomic, c_parser_omp_barrier,
16059 c_parser_omp_critical, c_parser_omp_flush,
16060 c_parser_omp_for_loop, c_parser_omp_for,
16061 c_parser_omp_master, c_parser_omp_ordered,
16062 c_parser_omp_sections_scope, c_parser_omp_sections,
16063 c_parser_omp_parallel, c_parser_omp_single,
16064 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16065 * c-pragma.c (init_pragma): Do omp pragma registration here.
16066 * c.opt (fopenmp): New flag.
16068 2006-01-18 Eric Christopher <echristo@apple.com>
16070 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16071 * config/darwin.h (GOMP_SELF_SPECS): Define.
16073 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16075 * rtl.h: Remove the prototype for reg_alloc.
16077 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16080 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16081 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16082 sjlj and dwarf2 exception handling.
16083 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16084 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16085 * pa/pa.c (function_value): Treat complex and vector types as
16087 (function_arg): Likewise. Only pass scalar floats in the floating
16088 point argument registers.
16089 * pa/t-slibgcc-dwarf-ver: New file.
16090 * pa/t-slibgcc-sjlj-ver: New file.
16091 * pa/t-slibgcc-elf-ver: Delete file.
16093 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16095 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16096 unlikely_test_section_p test.
16098 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16100 * mode-switching.c (optimize_mode_switching): Make it static.
16101 * basic-block.h: Remove the prototype for
16102 optimize_mode_switching.
16104 * modulo-sched.c (sms_schedule): Make it static.
16105 * rtl.h: Remove the prototype for sms_schedule.
16107 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16108 * rtl.h: Remove the prototype for gcse_after_reload_main.
16110 * reg-stack.c (reg_to_stack): Make it static.
16111 * rtl.h: Remove the prototype for reg_to_stack.
16113 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16115 * rtl.h: Remove the prototypes for regrename_optimize and
16116 copyprop_hardreg_forward.
16118 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16120 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16121 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16122 Test against the appropriate null constant for the mode.
16123 If 'fixup_overlap' is true, swap the operands if they overlap.
16124 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16125 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16126 alpha_split_tmode_pair and adjust for above change.
16127 * config/alpha/alpha.md (movtf_internal): Adjust call to
16128 alpha_split_tfmode_pair and rely on it to swap the operands.
16129 (movti_internal): New insn and post-reload splitter.
16130 (movti): New expander.
16132 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16134 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16137 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16139 * rtlanal.c (global_reg_mentioned_p_1,
16140 global_reg_mentioned_p): Remove.
16141 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16143 * flow.c (initialize_uninitialized_subregs): Make it static.
16144 * rtl.h: Remove the prototype for
16145 initialize_uninitialized_subregs.
16147 * function.c (instantiate_virtual_regs): Make it static.
16148 * function.h: Remove the prototype for
16149 instantiate_virtual_regs.
16151 * regmove.c (regmove_optimize, combine_stack_adjustments):
16153 * rtl.h: Remove the prototypes for regmove_optimize and
16154 combine_stack_adjustments.
16156 2006-01-17 Roger Sayle <roger@eyesopen.com>
16158 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16159 (size_cost): Encode costs in bytes so that a reg-reg addition is
16160 equivalent to COSTS_N_INSNS(1).
16161 (override_options): Use the size_cost.branch_cost as the default
16162 ix86_branch_cost when optimizing for size.
16164 2006-01-18 Ben Elliston <bje@au.ibm.com>
16166 * Makefile.in (D32PBIT_FUNCS): New.
16167 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16168 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16169 D64PBIT_FUNCS and D128PBIT_FUNCS.
16170 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16171 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16173 (decnumber_dep): Define.
16174 * doc/libgcc.texi (Decimal float library routines): New node.
16175 * config/dfp-bit.h, config/dfp-bit.c: New files.
16177 2006-01-18 Ben Elliston <bje@au.ibm.com>
16179 * expr.c (emit_move_change_mode): Always adjust addresses, not
16180 just during reload. Copy replacements only during reload.
16181 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16182 emit_move_via_integer.
16184 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16186 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16187 instead of $(srcdir) and ${srcdir}.
16189 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16192 PR middle-end/11135
16193 * arm.h (struct machine_function): Add pic_reg.
16194 * arm.c (arm_pic_register): Make unsigned.
16195 (arm_override_options): Only set arm_pic_register if
16196 TARGET_SINGLE_PIC_BASE.
16197 (use_return_insn): Only test for a pic register if it is fixed.
16198 (arm_compute_save_reg0_reg12_mask): Likewise.
16199 (thumb_compute_save_reg_mask): Likewise.
16200 (legitimate_pic_operand): Factor out some known invariants.
16201 (legitimize_pic_address): If we don't have a fixed pic register,
16202 then set up a pseudo in the function entry sequence. Handle the
16203 pic base being in a pseudo.
16204 (arm_load_pic_register): Handle the pic register being in a pseudo.
16205 (arm_expand_prologue): Only set up the pic register if it is fixed.
16206 (thumb_expand_prologue): Likewise.
16207 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16208 (pic_load_addr_based_insn): Likewise.
16209 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16212 2006-01-18 Ben Elliston <bje@au.ibm.com>
16214 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16215 decimal float modes for all floating point registers.
16217 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16218 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16220 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16223 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16224 even when the pointer is not NULL.
16226 2006-01-16 Ian Lance Taylor <ian@airs.com>
16228 * common.opt (ftoplevel-reorder): New option.
16229 * cgraph.c (cgraph_asm_nodes): New global variable.
16230 (cgraph_asm_last_node): New static variable.
16231 (cgraph_order): New global variable.
16232 (cgraph_create_node): Set new order field.
16233 (cgraph_varpool_node): Likewise.
16234 (decide_is_variable_needed): Return true if not
16235 flag_toplevel_reorder.
16236 (cgraph_add_asm_node): New function.
16237 * cgraph.h (struct cgraph_node): Add order field.
16238 (struct cgraph_varpool_node): Add order field.
16239 (struct cgraph_asm_node): Define.
16240 (cgraph_asm_nodes, cgraph_order): Declare.
16241 (cgraph_add_asm_node): Declare.
16242 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16244 (cgraph_varpool_assemble_pending_decls): Call it.
16245 (cgraph_output_pending_asms): New static function.
16246 (cgraph_finalize_compilation_unit): Call it.
16247 (struct cgraph_order_sort): Define.
16248 (cgraph_output_in_order): New static function.
16249 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16250 !flag_toplevel_reorder case.
16251 * c-parser.c: Include "cgraph.h".
16252 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16254 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16255 than -fno-unit-at-a-time.
16256 * doc/invoke.texi (Option Summary): Mention
16257 -fno-toplevel-reorder.
16258 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16259 -funit-at-a-time documentation.
16261 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16262 Kazu Hirata <kazu@codesourcery.com>
16264 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16266 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16268 * Makefile.in (FUNCTION_H): New. Use it instead of
16269 function.h throughout the file.
16270 * function.h: Include tree.h.
16272 2006-01-17 Ben Elliston <bje@au.ibm.com>
16274 * recog.c: Separate some functions with whitespace.
16276 2006-01-16 Richard Henderson <rth@redhat.com>
16278 Merge from gomp branch:
16279 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16280 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16281 and rename from struct inline_data. Rename callee* to dst*;
16282 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16283 transform_new_cfg, transform_return_to_modify, and
16284 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16286 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16287 (copy_decl_for_dup): Remove.
16288 * tree-inline.c (struct inline_data): Move to header.
16289 (insert_decl_map): Export.
16290 (remap_decl): Update for member name changes. Use copy_decl hook.
16291 Allow for replacement to be a non-decl. Remove dead code.
16292 (remap_type_1): Check for existing mapping.
16293 (remap_type): Export.
16294 (remap_decls): Update for member name changes.
16295 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16296 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16297 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16298 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16299 (tree_function_versioning, build_duplicate_type): Likewise.
16300 (copy_body_r): Likewise. Export.
16301 (copy_decl_for_dup): Split into ...
16302 (copy_decl_for_dup_finish, copy_decl_to_var,
16303 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16304 (replace_ref_tree, inlining_p): Remove.
16306 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16308 * ifcvt.c (if_convert): Make it static.
16309 * rtl.h: Remove the prototype for if_convert.
16311 * local-alloc.c (local_alloc): Make it static.
16312 * rtl.h: Remove the prototype for local_alloc.
16314 * loop.c (loop_optimize): Make it static.
16315 * cfgloop.h: Remove the prototype for loop_optimize.
16318 2006-01-16 DJ Delorie <dj@redhat.com>
16320 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16323 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16325 * pa.md: Disparage copies between general and floating-point registers
16326 in 32-bit move patterns.
16328 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16331 * Makefile.in (check-%): Depend on site.exp instead of
16332 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16335 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16337 * global.c (global_alloc): Make it static.
16338 * rtl.h: Remove the prototype for global_alloc.
16340 2006-01-16 Richard Guenther <rguenther@suse.de>
16342 * tree-ssa-alias.c (struct used_part): Add write_only field.
16343 (get_or_create_used_part_for): Initialize it to true.
16344 (create_overlap_variables_for): Don't create structure variables
16345 for structures that only are written to.
16346 (find_used_portions): Handle MODIFY_EXPR to track whether a
16347 structure is only written to.
16349 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16351 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16353 * basic-block.h: Remove the prototype for
16354 partition_hot_cold_basic_blocks.
16356 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16358 * cppspec.c (lang_specific_spec_functions): Remove.
16359 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16360 * gcc.h (lang_specific_spec_functions): Remove.
16361 * gccspec.c (lang_specific_spec_functions): Remove.
16363 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16365 * combine.c (record_value_for_reg): Invalidate registers
16367 (record_dead_and_set_regs_1): Likewise, by passing them to
16368 record_value_for_reg.
16369 (record_dead_and_set_regs): Invalidate stores made by a
16370 call. We do not combine across a call, but we still
16371 relied on equivalences.
16373 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16375 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16376 vrp_int_const_binop returning non-constant nodes.
16378 2006-01-16 Paul Brook <paul@codesourcery.com>
16380 * config/m68k/m68k.c (output_move_const_into_data_reg):
16381 Output correct mnemonic for mvz and mvs.
16383 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16385 * rtl-factoring.c: Add sequence abstraction algorithm.
16386 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16387 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16389 (block_has_preserve_label): New function.
16390 * common.opt: Register new pass.
16391 * Makefile.in: Ditto.
16393 * timevar.def: Ditto.
16394 * tree-pass.h: Ditto.
16395 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16396 * rtl.h (make_jump_insn_raw): Add forward decl.
16397 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16399 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16400 Roger Sayle <roger@eyesopen.com>
16402 * fold-const.c (fold_minmax): New static function.
16403 (fold_binary) <MIN_EXPR>: Call it.
16404 <MAX_EXPR>: Likewise.
16405 * stor-layout.c (place_field): Use DECL_SIZE consistently
16406 in the computation of the new record size.
16408 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16410 * cse.c (cse_condition_code_reg): Make it static.
16411 * rtl.h: Remove the prototype for cse_condition_code_reg.
16413 * combine.c (combine_instructions): Make it static.
16414 * rtl.h: Remove the prototype for combine_instructions.
16416 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16419 * tree.c (get_file_function_name_long): Concatenate the first global
16420 object name with a string derived from the input filename of the object
16423 2006-01-16 Ben Elliston <bje@au.ibm.com>
16425 * config/i386/winnt-stubs.c: Update FSF address.
16426 * config/xtensa/ieee754-df.S: Ditto.
16427 * config/xtensa/ieee754-sf.S: Ditto.
16429 2006-01-14 Ian Lance Taylor <ian@airs.com>
16431 * ifcvt.c (noce_init_if_info): New static function, broken out of
16432 noce_process_if_block.
16433 (noce_process_if_block): Call noce_init_if_info.
16434 (check_cond_move_block): New static function.
16435 (cond_move_process_if_block): New static function.
16436 (process_if_block): Call cond_move_process_if_block.
16438 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16440 * cselib.c (hash_table): Rename to cselib_hash_table.
16441 (cselib_clear_table, discard_useless_values,
16442 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16443 cselib_init, cselib_finish): Adjust uses of hash_table.
16445 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16447 PR tree-optimization/25485
16448 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16449 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16450 is known to be false and true, respectively.
16452 2006-01-14 Richard Guenther <rguenther@suse.de>
16454 PR tree-optimization/22548
16455 PR tree-optimization/22555
16456 PR tree-optimization/22501
16457 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16458 * params.def (salias-max-array-elements): New parameter.
16459 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16460 * doc/invoke.texi (salias-max-array-elements): Document.
16461 * tree-flow-inline.h (var_can_have_subvars): We also handle
16463 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16465 * tree-ssa-structalias.c (params.h): Include.
16466 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16467 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16468 (get_constraint_for): For ADDR_EXPR operating on something
16469 containing an ARRAY_REF, add all subvars to the solution.
16470 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16471 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16472 for creating MUST_DEFs.
16473 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16475 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16477 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16479 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16480 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16481 number_of_iterations_le): New functions.
16482 (number_of_iterations_special): Removed.
16483 (number_of_iterations_exit): Do not use number_of_iterations_special.
16484 * tree.c (unsigned_type_for): Always return integer type.
16486 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16487 Richard Guenther <rguenther@suse.de>
16489 PR rtl-optimization/24257
16490 * gcse.c (find_moveable_store): Only consider a store movable
16491 when the SET_SRC of the insn can be assigned to a register.
16493 2006-01-14 Ian Lance Taylor <ian@airs.com>
16495 * tree.c (tree_not_class_check_failed): New function.
16496 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16497 (tree_not_class_check_failed): Declare.
16499 2006-01-13 Ian Lance Taylor <ian@airs.com>
16501 * reload1.c (do_output_reload): Add assertion rejecting a
16504 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16506 * combine.c (struct reg_stat): Add new fields truncation_label and
16508 (record_value_for_reg): Reset truncated_to_mode.
16509 (record_truncated_value): New function.
16510 (check_promoted_subreg): Call it. Rename to check_conversions.
16511 (combine_instructions): Rename check_promoted_subreg to
16513 (reg_truncated_to_mode): New function.
16514 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16515 (gen_lowpart_or_truncate): New function.
16516 (force_to_mode): Use it instead of gen_lowpart.
16518 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16520 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16521 VAR is a tag, not its type tag.
16523 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16525 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16526 alternatives to match style of other entries.
16527 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16529 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16531 PR tree-optimization/25771
16532 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16535 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16538 * tree-inline.c (declare_return_variable): If the return variable
16539 was marked as a non gimple complex, set the return slot variable
16540 to be a non gimple comple variable.
16542 2006-01-13 Richard Guenther <rguenther@suse.de>
16544 * builtins.c (expand_builtin_sincos): New function.
16545 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16547 (expand_builtin): Expand sincos using expand_builtin_sincos.
16549 2006-01-12 DJ Delorie <dj@redhat.com>
16551 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16552 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16553 so that constant shifts can be split.
16554 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16555 (m32c_valid_pointer_mode): Make static.
16556 (shift_gen_func_for): New.
16557 (m32c_prepare_shift): Use it. Split large const shifts into
16559 * config/m32c/predicates.md (shiftcount_operand): Allow more
16561 (longshiftcount_operand): New.
16562 * doc/md.texi (Machine Constraints): Document In6.
16564 2006-01-13 Ben Elliston <bje@au.ibm.com>
16566 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16567 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16570 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16572 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16573 to try to avoid clobbering pieces of structures when we know
16574 something about the whole structure.
16575 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16577 2006-01-13 Ben Elliston <bje@au.ibm.com>
16579 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16580 return in memory, as this is no limitation is no longer present.
16582 2006-01-12 DJ Delorie <dj@redhat.com>
16584 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16585 mova with fb, and for fb+0 -> An.
16587 * config/m32c/mov.md (peephole2): Fix enabling logic.
16589 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16590 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16591 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16592 FINI_ARRAY_SECTION_ASM_OP): Define.
16594 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16596 (m32c_legitimize_reload_address): New logic to reload FB to An.
16597 (m32c_output_reg_push): Add newline.
16598 (m32c_output_reg_pop): Likewise.
16600 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16602 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16604 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16606 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16608 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16610 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16613 2006-01-11 Ben Elliston <bje@au.ibm.com>
16615 * rtlanal.c (find_reg_note): Assert insn is not null.
16617 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16619 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16622 2006-01-11 Jeff Law <law@redhat.com>
16624 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16626 (mark_threaded_blocks, register_jump_thread): New functions.
16627 (thread_through_all_blocks): Remove unwanted argument. No
16628 longer rely on e->aux to communicate thread target info.
16629 Call mark_threaded_blocks. Release the threaded_blocks
16630 bitmap and threaded_edges vector when complete.
16631 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16632 (threaded_blocks): Remove.
16633 (tree_ssa_dominator_optimize): Remove initialization and
16634 finalization of threaded_blocks. Simplify call to
16635 thread_through_all_blocks.
16636 (thread_across_edge): Call register_jump_thread rather than
16637 storing thread information into e->aux.
16638 (free_all_edge_infos): Simplify now that e->aux is no longer
16639 used to communicate with thread_through_all_blocks.
16640 * tree-flow.h (thread_through_all_blocks): Update prototype.
16641 (register_jump_thread): Prototype.
16643 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16645 * df-core.c (df_compact_blocks, df_bb_replace): Use
16646 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16648 2006-01-11 Richard Guenther <rguenther@suse.de>
16650 PR tree-optimization/25734
16651 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16652 stop propagation after successful propagation to the LHS.
16654 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16656 * basic-block.h (control_flow_graph): Change the type of
16657 x_basic_block_info to VEC(basic_block,gc) *.
16658 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16660 (SET_BASIC_BLOCK): New.
16661 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16662 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16663 * cfgbuild.c (find_basic_blocks): Likewise.
16664 * cfglayout.c (fixup_reorder_chain): Likewise.
16665 * cfgrtl.c (create_basic_block_structure,
16666 rtl_create_basic_block): Likewise.
16667 * ifcvt.c (find_if_case_1): Likewise.
16668 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16671 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16673 * Makefile.in: Removed rotted odf.c entry.
16675 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16678 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16679 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16680 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16681 output pattern modifier, not %e.
16682 * config/cris/cris.c (cris_op_str): Update comment about pattern
16684 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16685 before falling through into...
16686 <case 'E'>: Redefined from old 'e' case.
16688 2006-01-11 Jan Hubicka <jh@suse.cz>
16691 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16693 2006-01-11 Jan Hubicka <jh@suse.cz>
16695 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16696 * i386.c (x86_decompose_lea): Kill.
16697 (ix86_rtx_costs): Kill.
16699 2006-01-11 Jan Hubicka <jh@suse.cz>
16701 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16702 * cgraph.h (cgraph_node): Add inline_decl.
16703 (cgraph_insert_node_to_hashtable): Declare.
16704 (save_inline_function_body): Declare.
16705 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16707 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16708 (cgraph_function_versioning): Update call of tree_function_versioning.
16709 (save_inline_function_body): New function.
16710 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16711 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16712 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16713 (cgraph_default_inline_p): Likewise.
16714 (cgraph_decide_inlining_incrementally): Likewise.
16715 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16716 (copy_bb): Kill saving; do updating of clones.
16717 (copy_cfg_body): Kill saving.
16718 (initialize_inlined-parameters): Likewise.
16719 (expand_call_inline): Likewise.
16721 (tree_function_versioning): New parameter "update_clones".
16722 (inlining_p): Kill saving.
16723 * tree-inline.h (tree_function_versioning): Update prototype.
16724 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16727 2006-01-11 Ian Lance Taylor <ian@airs.com>
16729 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16730 Allow undoing set of machine mode.
16731 (do_SUBST): Use enums instead of is_int.
16732 (do_SUBST_MODE): New function.
16733 (SUBST_MODE): New macro.
16734 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16735 reg and trying to replace reg_regno_rtx with a new register.
16736 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16737 (simplify_set): Use SUBST_MODE.
16738 (distribute_notes): Remove code that tried to update reg notes
16739 for regno_reg_rtx changes.
16741 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16743 PR tree-optimization/23109
16744 PR tree-optimization/23948
16745 PR tree-optimization/24123
16747 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16748 * tree-cfg.c (single_noncomplex_succ): New.
16749 * tree-flow.h (single_noncomplex_succ): Declare it.
16750 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16751 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16752 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16753 insert_bb, register_division_in, insert_reciprocals,
16754 replace_reciprocal, free_bb): New.
16755 (execute_cse_reciprocals_1): Rewritten.
16756 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16757 Do not commit any edge insertion. Always compute dominators and
16758 create the allocation pool.
16759 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16760 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16761 * targhooks.c (default_min_divistions_for_recip_mul): New.
16762 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16763 * passes.c (init_optimization_passes): Run recip after tree loop
16765 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16767 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16768 Kenneth Zadeck <zadeck@naturalbridge.com>
16770 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16771 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16772 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16773 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16774 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16775 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16776 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16777 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16778 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16779 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16780 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16781 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16782 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16783 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16784 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16785 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16786 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16787 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16788 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16789 DF_SCAN_POST_ALLOC): New macros.
16790 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16791 df_free_bb_function, df_local_compute_function, df_init_function,
16792 df_dataflow_function, df_confluence_function_0,
16793 df_confluence_function_n, df_transfer_function,
16794 df_finalizer_function, df_free_function, df_dump_problem_function,
16795 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16796 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16797 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16798 df_urec_bb_info, ) New types.
16799 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16801 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16802 df_analyze_simple_change_some_blocks,
16803 df_analyze_simple_change_one_block, df_compact_blocks,
16804 df_bb_replace, df_bb_regno_last_use_find,
16805 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16806 df_insn_regno_def_p, df_find_def, df_find_use,
16807 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16808 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16809 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16810 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16811 debug_df_chain, df_get_dependent_problem, df_chain_create,
16812 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16813 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16814 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16815 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16816 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16817 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16818 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16819 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16820 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16821 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16822 df_reorganize_refs, df_set_state, df_hard_reg_init,
16823 df_read_modify_subreg_p) New public functions.
16824 * df-core.c: The core dataflow solver and glue routines for rtl
16826 (df_init, df_add_problem, df_set_blocks, df_finish,
16827 df_hybrid_search_forward, df_hybrid_search_backward,
16828 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16829 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16830 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16831 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16832 df_reg_defined, df_find_use, df_reg_used, df_dump,
16833 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16834 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16835 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16836 debug_df_useno, reset_df_after_reload): New functions.
16837 * df-scan.c: The scanning fuctions, once in df.c, completely
16838 rewritten so that they now fully model the functionality of
16839 register usage at the backend.
16840 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16841 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16842 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16843 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16844 df_get_artificial_defs, df_get_artificial_uses,
16845 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16846 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16847 df_refs_delete, df_reorganize_refs, df_set_state,
16848 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16849 df_def_record_1, df_defs_record, df_uses_record,
16850 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16851 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16852 df_record_exit_block_uses, df_hard_reg_init): New functions.
16854 * df-problems.c: Seven concrete dataflow problems that use the
16855 scanning in df-scan.c and are solved by the engine in df-core.c.
16856 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16857 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16858 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16859 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16860 df_ru_free_bb_info, df_ru_alloc,
16861 df_ru_bb_local_compute_process_def,
16862 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16863 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16864 df_ru_transfer_function, df_ru_free, df_ru_dump,
16865 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16866 df_rd_free_bb_info, df_rd_alloc,
16867 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16868 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16869 df_rd_transfer_function, df_rd_free, df_rd_dump,
16870 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16871 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16872 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16873 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16874 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16875 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16876 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16877 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16878 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16879 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16880 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16881 df_urec_mark_reg_use_for_earlyclobber,
16882 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16883 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16884 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16885 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16886 df_chain_create_bb_process_use, df_chain_create_bb,
16887 df_chain_finalize, df_chain_free, df_chains_dump,
16888 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16889 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16890 df_reg_lifetime): New functions.
16891 * df.c: Deleted file.
16892 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16893 consistent with new df api.
16894 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16895 rest_of_handle_sms): Ditto.
16896 * web.c (unionfind_union, union_defs, entry_register, web_main):
16898 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16899 invariant_expr_equal_p, find_defs, check_dependencies,
16900 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16901 free_inv_motion_data, move_loop_invariants): Ditto.
16902 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16903 Update dependencies.
16904 (odf.c): Added defective entry that was deleted later in day.
16905 * sched-deps.c (sched_analyze_1): Ditto.
16907 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16909 * tree-ssa-operands.c (get_expr_operands): Record addressable
16910 variables directly. Do not call add_stmt_operands for CONST_DECLs
16912 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16913 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16915 2006-01-11 Ben Elliston <bje@au.ibm.com>
16917 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16918 function returns true in the positive case.
16920 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16923 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16924 for SI, DI, SF and DF modes. Add alternatives to copy between
16925 general and floating point registers to the 32-bit patterns.
16926 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16927 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16928 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16929 generating 64-bit code.
16930 * config/pa/pa.c (output_move_double): Handle copies between general
16931 and floating registers.
16933 2006-01-10 Stuart Hastings <stuart@apple.com>
16935 * config/i386/i386.md (set_got): Update.
16936 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16937 (builtin_setjmp_receiver): Mach-O support.
16938 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16939 (GOT_SYMBOL_NAME): Define.
16940 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16941 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16942 * config/i386/i386.c (override_options): Revise for Darwin.
16943 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16944 support. (darwin_x86_file_end): New. (output_set_got): Add label
16945 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16946 * config/i386/i386-protos.h (output_set_got): Likewise.
16947 * config/darwin.c (machopic_legitimize_pic_address): Update
16950 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16952 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16953 when MODE isn't BLKmode.
16955 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16957 PR rtl-optimization/25367
16958 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16960 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16963 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16964 for a negative bound.
16966 2006-01-10 Richard Guenther <rguenther@suse.de>
16968 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16969 Never override with anything constraint.
16971 2006-01-10 Jan Beulich <jbeulich@novell.com>
16973 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16974 256 bits when optimize_size.
16976 2006-01-10 Jan Beulich <jbeulich@novell.com>
16978 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16980 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16981 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16984 2006-01-10 Ben Elliston <bje@au.ibm.com>
16986 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16988 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16989 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16990 (USE_FP_FOR_ARG): Reject decimal float modes.
16991 (function_arg_advance): Likewise.
16992 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16993 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16994 point types in AltiVec vectors.
16995 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16996 (rs6000_libcall_value): Likewise.
16998 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17000 * config/xtensa/ieee754-df.S: New file.
17001 * config/xtensa/ieee754-sf.S: New file.
17002 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17003 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17004 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17006 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17008 * config/sh/predicates.md (binary_float_operator,
17009 binary_logical_operator, commutative_float_operator,
17010 equality_comparison_operator, greater_comparison_operator,
17011 less_comparison_operator, logical_operator,
17012 noncommutative_float_operator, shift_operator,
17013 symbol_ref_operand, unary_float_operator): Remove redundant
17016 2006-01-09 Jeff Law <law@redhat.com>
17018 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17019 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17020 now unused arguments. Callers updated.
17021 (eliminate_redundant_computations): Remove now unused arguments,
17023 (local_fold): Remove, no longer used.
17024 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17026 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17027 (simplify_cond): New function.
17028 (forward_propagate_into_cond): Call simplify_cond.
17030 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17032 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17033 (*vec_extractv2di_1_sse): New.
17035 2006-01-09 Ben Elliston <bje@au.ibm.com>
17037 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17039 2006-01-08 Richard Guenther <rguenther@suse.de>
17041 * tree-ssa-structalias.c (get_constraint_for): Remove
17042 anyoffset argument.
17043 (get_constraint_for_component_ref): Likewise.
17044 (do_deref): Likewise.
17045 (get_constraint_for): Likewise.
17046 (do_structure_copy): Likewise.
17047 (handle_ptr_arith): Likewise.
17048 (find_func_aliases): Likewise. Remove unused need_anyoffset
17051 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17052 Kaz Kojima <kkojima@gcc.gnu.org>
17054 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17055 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17056 (EXTRA_CONSTRAINT_C16): Remove.
17057 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17058 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17059 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17060 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17061 constants of SHmedia. Handle nested constant expressions of
17063 (andcosts): Fix the costs for SHmedia constants.
17064 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17065 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17066 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17067 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17068 (movv4hi_i, movv2si_i): Likewise.
17069 (movsi_const): Adjust the second operand of ior so to match with
17070 the Csu constraint.
17071 (movdi_const, movdi_const_32bit): Likewise.
17072 (movdi_const_16bit+1): Don't sign-extend LOW.
17073 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17075 (*double_shori): Fix the split condition. Use GEN_INT instead
17076 of get_int_mode calls. Mask lower 16-bit of the argument of
17078 (sym2GOTPLT): Remove.
17079 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17081 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17082 instead of EXTRA_CONSTRAINT_C16.
17084 2006-01-07 Ian Lance Taylor <ian@airs.com>
17085 David Edelsohn <edelsohn@gnu.org>
17087 PR rtl-optimization/25662
17088 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17089 for constant operands instead of simplify_gen_binary.
17090 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17091 after trying simplify_binary_operation
17093 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17095 * tree.c (iterative_hash_expr): Hash decls based on UID.
17097 2006-01-06 Eric Christopher <echristo@apple.com>
17099 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17100 (TARGET_UNWIND_EMIT): Fix spelling.
17101 * target.h (gcc_target): Add except_table_label.
17102 * except.c (output_function_exception_table): Use.
17103 * varasm.c (default_emit_except_table_label): New.
17104 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17106 (asm_out): Add here.
17107 * output.h (default_emit_except_table_label): Prototype.
17108 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17109 * config/darwin.c (darwin_emit_except_table_label): Define.
17110 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17112 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17114 PR tree-optimization/18527
17115 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17116 number_of_iterations_special, number_of_iterations_exit):
17117 Move base and step of an iv to a single structure. Add
17118 no_overflow flag, and use it in # of iterations analysis.
17119 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17120 folded_casts argument.
17121 (simple_iv): Pass base and step in a structure. Set no_overflow
17123 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17124 Evaluate expensiveness of computing # of iterations instead of
17125 the final expression.
17126 * tree-scalar-evolution.h (affine_iv): New structure.
17127 (simple_iv): Declaration changed.
17128 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17129 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17130 find_givs_in_stmt): Changed due to simple_iv change.
17132 2006-01-06 Jeff Law <law@redhat.com>
17135 * tree-cfg.c (bsi_replace): Rename final argument from
17136 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17137 change (stmt -> orig_stmt).
17138 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17139 (bsi_remove): Add new argument. Remove EH information
17141 (verify_eh_throw_table_statements): New function.
17142 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17144 * tree-optimize.c (execute_free_cfg_annotations): Verify
17145 the EH throw statement table after removing annotations.
17146 * except.h (verify_eh_throw_table_statements): Prototype.
17147 * tree-flow.h (bsi_remove): Update prototype.
17148 * tree-vrp.c (remove_range_assertions): Add new argument to
17150 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17151 * tree-complex.c (expand_complex_div_wide): Likewise.
17152 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17153 * tree-tailcall.c (eliminate_tailcall): Likewise.
17154 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17155 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17156 * tree-nrv.c (tree_nrv): Likewise.
17157 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17158 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17159 (combine_blocks): Likewise.
17160 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17161 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17162 (cleanup_control_flow): Likewise.
17163 (remove_forwarder_block): Likewise.
17164 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17165 * tree-sra.c (sra_replace): Likewise.
17166 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17167 (forward_propagate_single_use_vars): Likewise.
17168 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17169 * tree-inline.c (expand_call_inline): Likewise.
17170 * tree-vect-transform.c (vect_transform_loop): Likewise.
17171 * tree-outof-ssa.c (rewrite_trees): Likewise.
17172 * tree-cfg.c (make_goto_expr_edges): Likewise.
17173 (cleanup_dead_labels): Likewise.
17174 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17175 (bsi_move_before, bsi_move_after): Likewise.
17176 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17177 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17179 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17182 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17184 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17185 on non gimple variables. Also add checks at the top for decls and
17187 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17189 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17190 and IMAGPART_EXPR for creating MUST_DEFs.
17191 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17192 and NAME_MEMORY_TAG separately from the DECLs.
17194 2006-01-06 Richard Guenther <rguenther@suse.de>
17196 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17197 annotation, if necessary.
17198 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17199 redundant calls to update_stmt.
17200 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17203 2006-01-05 Richard Henderson <rth@redhat.com>
17205 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17207 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17209 * c-typeck.c: Update copyright date.
17211 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17213 * c-typeck.c (build_c_cast): Always warn when casting
17214 from a pointer to an integer of different size, even if
17215 the node was constant.
17217 2006-01-05 Richard Guenther <rguenther@suse.de>
17219 PR tree-optimization/22555
17220 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17221 if one structure field is an array.
17222 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17223 operands even if we found a subvar, but ignore VOPs in this
17225 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17227 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17229 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17231 PR middle-end/24998
17232 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17234 2006-01-05 Richard Guenther <rguenther@suse.de>
17235 Diego Novillo <dnovillo@redhat.com>
17237 * tree-pass.h (TODO_remove_unused_locals): Define.
17238 * gimple-low.c (expand_var_p, remove_useless_vars,
17239 pass_remove_useless_vars): Remove. Update all users.
17240 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17241 (remove_unused_locals): New function.
17242 * tree-flow.h (remove_unused_locals): Declare.
17243 * passes.c (execute_todo): Call remove_unused_locals if
17244 TODO_remove_unused_locals is set.
17245 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17246 * tree-ssa-dce.c (pass_dce): Likewise.
17247 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17249 2006-01-05 Richard Guenther <rguenther@suse.de>
17251 * tree-flow.h (struct fieldoff): Decompose field to
17252 type, size and decl.
17253 * tree-ssa-alias.c (create_sft): Take type as parameter.
17254 (create_overlap_variables_for): Store type, size and decl
17255 in the fieldoff structure.
17256 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17257 of struct fieldoff.
17258 (push_fields_onto_fieldstack): Likewise.
17259 (create_variable_info_for): Likewise. Use offset for the
17260 SFT name if the decl is not available.
17262 2006-01-04 Paul Brook <paul@codesourcery.com>
17264 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17266 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17268 * lambda-code.c (can_put_in_inner_loop): Relax
17270 (can_put_after_inner_loop): New function.
17271 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17272 (perfect_nestify): Change to make copies and modify uses.
17274 2006-01-04 Richard Henderson <rth@redhat.com>
17276 Merge from gomp branch:
17277 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17278 via integer constant.
17279 (pragma_lex): Remove.
17280 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17281 rather than parsing it.
17282 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17283 handle_pragma_extern_prefix): Add %< %> quotes.
17284 (registered_pragmas): New.
17285 (c_register_pragma_1): New.
17286 (c_register_pragma): Use it.
17287 (c_register_pragma_with_expansion): Likewise.
17288 (c_invoke_pragma_handler): New.
17289 (init_pragma): Use cpp_register_deferred_pragma directly for
17291 * c-pragma.h (enum pragma_kind): New.
17292 (pragma_handler): New.
17293 (c_invoke_pragma_handler): Declare.
17294 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17296 * c-common.h (c_common_pch_pragma): Update decl.
17297 * Makefile.in (c-parser.o): Update dependencies.
17298 (GTFILES): Add c-pragma.h.
17299 * c-parser.c (struct c_token): Add pragma_kind.
17300 (struct c_parser): Add in_pragma.
17301 (c_lex_one_token): Always initialize keyword and pragma_kind.
17302 Extract data for CPP_PRAGMA.
17303 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17304 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17305 Don't allow CPP_PRAGMA_EOL if in_pragma.
17306 (c_parser_consume_pragma): New.
17307 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17308 (c_parser_skip_to_end_of_parameter): Likewise.
17309 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17310 (c_parser_skip_to_pragma_eol): New.
17311 (c_parser_external_declaration): Handle CPP_PRAGMA.
17312 (c_parser_compound_statement_nostart): Likewise.
17313 (c_parser_statement_after_labels): Likewise.
17314 (c_parser_pragma): New.
17315 (pragma_lex): Likewise.
17316 (c_parser_pragma_pch_preprocess): New.
17317 (c_parser_new): Merge into ...
17318 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17320 2006-01-04 Jeff Law <law@redhat.com>
17323 * tree-cfg.c (bsi_replace): Remove the original statement
17324 from the EH throw statement table.
17326 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17328 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17329 make the prototype extern "C" and add throw ().
17332 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17333 and pos non-negative and pos + len <= 32.
17334 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17335 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17336 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17339 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17340 as well as sizes not multiple of component size.
17343 * function.c (instantiate_expr): New function.
17344 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17345 walk its DECL_VALUE_EXPR with instantiate_expr.
17347 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17348 DW_OP_deref{,_size} if address isn't going to be added.
17350 2006-01-04 Ben Elliston <bje@au.ibm.com>
17352 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17353 * config/fp-bit.c: Likewise.
17355 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17357 * dominance.c: Add comment about why we use DFS numbering
17360 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17361 Richard Henderson <rth@redhat.com>
17363 Merge from gomp-branch:
17364 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17365 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17367 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17369 PR rtl-optimization/25578
17370 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17371 pass a parameter to simplify_shift_const if changing ASHIFTRT
17374 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17376 * builtins.c (get_builtin_sync_mem): New function.
17377 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17378 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17379 Call get_builtin_sync_mem to generate mem rtx.
17381 2006-01-03 Richard Guenther <rguenther@suse.de>
17384 * stmt.c (add_case_node): Make sure to clear overflow flags
17387 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17389 Merge from gomp-branch.
17390 * config/sparc/sync.md: New file.
17391 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17392 UNSPECV_LDSTUB): New constants.
17393 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17394 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17395 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17398 2006-01-03 Roger Sayle <roger@eyesopen.com>
17400 * combine.c (reg_subword_p): New predicate to test whether the
17401 destination of a set refers to a subword/piece of a register.
17402 (try_combine): Generalize the code to merge the setting of a
17403 pseudo to a constant followed by a set of a subword of that
17404 register to a constant.
17406 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17408 * basic-block.h (control_flow_graph): Change the type of
17409 x_label_to_block_map to VEC(basic_block,gc) *.
17410 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17411 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17413 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17414 VEC(basic_block,heap) *.
17415 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17416 ssa_prop_fini): Adjust the uses of cfg_blocks.
17418 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17420 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17422 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17423 hashing trees instead of a pointer hash.
17424 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17425 compare for MEM_EXPR.
17427 PR rtl-optimization/25130
17428 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17429 when comparing MEMs for GCSE
17431 2006-01-03 Ben Elliston <bje@au.ibm.com>
17433 * targhooks.h (default_decimal_float_supported_p): Declare.
17434 * targhooks.c (default_decimal_float_supported_p): Define.
17435 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17436 `default_decimal_float_supported_p'.
17437 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17439 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17441 * combine.c (apply_distributive_law <SUBREG>): Check
17442 TRULY_NOOP_TRUNCATION.
17444 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17446 * dwarf2out.c (have_switched_text_section): Delete.
17447 (have_multiple_function_sections): New.
17448 (have_location_lists): Make 'bool'.
17449 (add_AT_loc_list): Use 'true' not '1'.
17450 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17451 (output_loc_list): Use have_multiple_function_sections.
17452 (output_ranges): Likewise.
17453 (dwarf2out_begin_function): Set have_multiple_function_sections if
17455 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17456 Check function_section rather than DECL_SECTION_NAME.
17457 (dwarf2out_finish): Use have_multiple_function_sections.
17458 Don't clear have_location_lists.
17460 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17461 Jan Hubicka <jh@suse.cz>
17463 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17464 case of conditional jump jumping to the next instruction.
17465 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17466 cases of conditional jump jumping to the next instruction.
17468 2006-01-02 Jan Hubicka <jh@suse.cz>
17470 * i386.c (*_cost): Add COSTS_N_INSNS.
17471 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17473 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17476 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17478 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17480 * config/arm/arm.c (all_fpus): Fix comment typo.
17481 * config/darwin.c: Likewise.
17482 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17483 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17484 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17486 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17488 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17489 (rs6000_split_compare_and_swapqhi): New.
17490 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17491 (sync_compare_and_swapqhi_internal): New.
17492 * config/rs6000/rs6000-protos.h: Declare.