1 2006-11-03 Paul Brook <paul@codesourcery.com>
4 * config/arm/arm.c (arm_file_start): New function.
5 (TARGET_ASM_FILE_START): Define.
6 (arm_default_cpu): New variable.
7 (arm_override_options): Set arm_default_cpu.
9 2006-11-03 David Ung <davidu@mips.com>
11 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
12 PROCESSOR_24KC and PROCESSOR_24KF.
13 * config/mips/mips.c (mips_cpu_info_table): Add processor names
14 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
15 (mips_rtx_cost_data): Add costs for the 24kc.
16 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
17 * config/mips/24k.md: Remove references to 24k and replace with
18 uses of 24kc/24kf in the appropriate reservations.
19 * doc/invoke.texi (MIPS Options): Updated.
21 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
23 * config/sh/crt1.asm: Fix #ifdef indent.
25 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
26 Merged from STMicroelectronics sources:
27 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
28 * config/sh/crt1.asm (vbr_600): Add missing #if.
29 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
30 * sh.opt (mfused-madd): New option.
31 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
32 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
33 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
34 Remove pointless handler at VBR+0.
35 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
36 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
37 fr7. Make sure the timer handler is called with the correct FPU
38 precision setting, according to the ABI.
39 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
40 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
41 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
42 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
43 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
44 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
45 zero as second operand.
46 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
47 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
48 Fixed some bugs related to negative values, in particular -0
49 and overflow at -0x80000000.
50 * config/sh/divcost-analysis: Added sh4-300 figures.
51 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
52 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
53 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
54 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
55 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
56 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
58 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
60 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
61 SH4-300 scheduling description & fixes to SH4-[12]00 description:
62 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
63 mac_mem, mem_mac, dfp_mul, fp_cmp.
64 (insn_class, dfp_comp, any_fp_comp): Update.
65 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
66 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
68 (movsi_i): Split rI08 alternative into two separate alternatives.
70 (movsi_ie, movsi_i_lowpart): Likewise.
71 (movqi_i): Split ri alternative into two separate alternatives.
73 * sh1.md (sh1_load_store, sh1_fp): Update.
74 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
75 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
76 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
77 (sh4a_fp_double_arith): Likewise.
78 * sh4-300.md: New file.
79 * sh.c (sh_handle_option): Handle m4-300* options.
80 (sh_adjust_cost): Fix latency of auto-increments.
81 Handle SH4-300 differently than other SH4s. Check for new insn types.
82 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
83 been set by an option.
84 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
85 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
86 (mbranch-cost=): Likewise.
87 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
89 * sh.md (mulsf3): Remove special expansion code.
90 (mulsf3_ie): Now a define_insn_and_split.
91 (macsf3): Allow for TARGET_SH4.
93 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
94 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
95 (expand_cbranchdi4): Likewise.
96 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
97 CONST_DOUBLE if the outer code is COMPARE.
98 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
99 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
100 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
101 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
102 Remove redundant fp_{zero,one}_operand checks.
103 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
104 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
105 (expand_cbranchdi4): Likewise.
106 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
107 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
109 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
111 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
114 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
116 * doc/invoke.texi: Fix mfp-trap-mode typo.
118 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
120 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
121 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
122 file_end_indicate_exec_stack.
123 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
125 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
126 for a non-executable stack.
127 * crti.asm: Likewise.
128 * crtn.asm: Likewise.
129 * libunwind.S: Likewise.
131 2006-11-02 Ben Elliston <bje@au.ibm.com>
133 * tree-ssa.c (warn_uninit): Use expand_location variables for
134 locus and declaration locus.
136 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
139 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
140 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
141 cmp{eq,gt,gtu}{si,di}_media.
142 (*cmpne0si_media): Remove.
143 (*movsicc_umin): Adjust gen_cmp*_media call.
144 (unordered): Change the mode of unordered and operands[1] to
146 (seq): Adjust gen_cmp*_media calls. Make the mode of
147 a temporary result of compare SImode if needed. If the mode
148 of operands[0] is DImode, extend the temporary result to DImode.
149 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
150 (sunorderd): Change the mode of match_operand and unorderd to
152 (cmpeq{sf,df}_media): Remove.
153 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
154 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
155 and compare operation to SImode.
157 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
159 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
161 (sparc64-sun-solaris2*): Likewise.
163 2006-11-02 Paul Brook <paul@codesourcery.com>
165 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
166 from priority argument. Use different section for non-default
168 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
170 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
173 * except.c (switch_to_exception_section): Do not cache the section
174 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
175 and flag_function_sections is set.
177 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
180 * builtins.c (do_mpfr_sincos): New.
181 (fold_builtin_1): Use it to fold builtin sincos.
183 2006-11-01 Roger Sayle <roger@eyesopen.com>
185 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
186 it into -D_REENTRANT.
188 2006-11-01 Roger Sayle <roger@eyesopen.com>
190 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
191 whether the assembler supports taking the difference of symbols in
192 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
193 * configure: Regenerate.
194 * config.in: Regenerate.
195 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
196 the assembler doesn't support taking the difference of symbols in
197 different sections, i.e. we're using the native solaris assembler.
199 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
200 Peter Bergner <bergner@vnet.ibm.com>
202 * doc/invoke.texi: Add cpu_type power6x
203 (RS/6000 and PowerPC Options): Add -mmfpgpr.
204 * config.gcc: Add cpu_type power6x.
205 * configure.ac: Add test for mf{t,f}gpr instructions.
206 (HAVE_AS_MFPGPR): New.
207 * config.in: Regenerate.
208 * configure: Regenerate.
209 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
210 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
211 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
212 and mftgpr attributes.
213 (define_attr "cpu"): Add power6.
214 Change instruction sequences to use new attributes.
215 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
216 (fix_truncdfsi2_mfpgpr): New.
217 (floatsidf_ppc64_mfpgpr): New.
218 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
219 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
220 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
221 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
222 (fix_truncdfsi2): Use gpc_reg_operand constraint.
223 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
224 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
225 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
226 cntlz,exts and var_delayed_compare.
227 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
228 _ARCH_PWR6X, if features enabled.
229 * config/rs6000/rs6000.opt (mmfpgpr): New.
230 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
231 (cached_can_issue_more): New variable.
232 (processor_costs): Add power6_cost.
233 (rs6000_sched_init): New function.
234 (is_dispatch_slot_restricted): Deleted.
235 (set_to_load_agen): New function.
236 (is_load_insn,is_store_insn): New functions.
237 (adjacent_mem_locations): New function.
238 (insn_must_be_first_in_group): New function.
239 (insn_must_be_last_in_group): New function.
240 (rs6000_sched_reorder): New function.
241 (rs6000_sched_reorder2): New function.
242 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
243 TARGET_SCHED_REORDER2): Define.
244 (processor_target_table): Use PROCESSOR_POWER6 for power6.
245 Add power6x. Add MASK_MFPGPR for power6x.
246 (POWERPC_MASKS): Add MASK_MFPGPR.
247 (rs6000_override_options): Set rs6000_always_hint to false
248 for power6. Set rs6000_align_branch_targets. Replace
249 rs6000_sched_groups check with rs6000_align_branch_targets.
250 Use PROCESSOR_POWER6.
251 (last_scheduled_insn): New variable.
252 (load_store_pendulum): New variable.
253 (rs6000_variable_issue): Set last_scheduled_insn and
254 cached_can_issue_more.
255 (rs6000_adjust_cost): Add power6 cost adjustments.
256 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
257 with insn_must_be_first_in_group. Add power6 priority adjustments.
258 (rs6000_issue_rate): Add CPU_POWER6.
259 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
260 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
261 (TARGET_MFPGPR): New.
262 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
263 (ASM_CPU_SPEC): Add power6x.
264 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
266 * config/rs6000/power6.md: New file.
268 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
270 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
271 HOST_WIDE_INT_PRINT to print high and low parts. Use
272 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
273 printing a hexadecimal number prefix it with 0x.
275 2006-11-01 Chris Johns <chris@contemporary.net.au>
278 * Makefile.in (install-driver): Use exeext when installing
279 $target-gcc-$version.
281 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
283 * c-common.c (flag_cpp0x): New.
284 * c-common.h (flag_cpp0x): New.
285 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
286 supported, define __GXX_EXPERIMENTAL_CPP0X__.
287 * c-opts.c (set_std_cxx0x): New.
288 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
289 * c.opt (std=c++0x): Document.
290 (std=gnu++0x): Ditto.
291 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
292 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
294 2006-11-01 Richard Guenther <rguenther@suse.de>
296 * config/i386/i386.c (ix86_expand_rint): Fix issues with
298 (ix86_expand_floorceildf_32): Likewise.
299 (ix86_expand_floorceil): Likewise.
300 (ix86_expand_trunc): Likewise.
302 2006-10-31 Andrew Pinski <pinskia@gmail.com>
304 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
307 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
309 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
311 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
313 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
315 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
316 * configure.ac (use_cxa_atexit): As a special case, don't test
317 for libc definition of __cxa_atexit on mingw32
318 * configure: Regenerate.
319 * config.gcc (i[34567]86-pc-mingw32): Default to
320 enable__cxa_atexit=yes.
322 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
324 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
326 2006-10-31 Geoffrey Keating <geoffk@apple.com>
329 * c-decl.c (start_struct): Don't create self-containing
331 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
333 * config/rs6000/rs6000-protos.h
334 (darwin_rs6000_special_round_type_align): New.
335 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
336 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
338 2006-10-31 Geoffrey Keating <geoffk@apple.com>
340 * toplev.c (compile_file): Call final_write_globals
341 even if there have been errors.
343 2006-10-31 Eric Christopher <echristo@apple.com>
344 Falk Hueffner <falk@debian.org>
346 * doc/extend.texi (__builtin_bswap32): Document.
347 (__builtin_bswap64): Ditto.
348 * doc/libgcc.texi (bswapsi2): Document.
350 * doc/rtl.texi (bswap): Document.
351 * optabs.c (expand_unop): Don't widen a bswap.
352 (init_optabs): Init bswap. Set libfuncs explicitly
353 for bswapsi2 and bswapdi2.
354 * optabs.h (OTI_bswap): New.
355 (bswap_optab): Ditto.
356 * genopinit.c (optabs): Handle bswap_optab.
357 * tree.h (tree_index): Add TI_UINT32_TYPE and
359 (uint32_type_node): New.
360 (uint64_type_node): Ditto.
361 * tree.c (build_common_tree_nodes_2): Initialize
362 uint32_type_node and uint64_type_node.
363 * builtins.c (expand_builtin_bswap): New.
364 (expand_builtin): Call.
365 (fold_builtin_bswap): New.
366 (fold_builtin_1): Call.
367 * fold-const.c (tree_expr_nonnegative_p): Return true
369 * builtin-types.def (BT_UINT32): New.
371 (BT_FN_UINT32_UINT32): Ditto.
372 (BT_FN_UINT64_UINT64): Ditto.
373 * builtins.def (BUILT_IN_BSWAP32): New.
374 (BUILT_IN_BSWAP64): Ditto.
375 * rtl.def (BSWAP): New.
376 * genattrtab.c (check_attr_value): New.
377 * libgcc2.c (__bswapSI2): New.
379 * libgcc2.h (__bswapSI2): Declare.
381 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
382 * simplify-rtx.c (simplify_const_unary_operation): Return
384 * libgcc-std.ver (__bwapsi2): Add.
386 * reload1.c (eliminate_regs_1): Add bswap.
387 (elimination_effects): Ditto.
388 * config/i386/i386.h (x86_bswap): New.
390 * config/i386/i386.c (x86_bswap): Set.
392 2006-10-31 Geoffrey Keating <geoffk@apple.com>
394 * coverage.c (coverage_checksum_string): Update comment.
395 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
396 of get_file_function_name.
397 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
398 of get_file_function_name_long.
399 * tree.c (get_file_function_name): Rename from
400 get_file_function_name_long; improve comment; handle 'I' and 'D'
401 specially when the target has ctor/dtor support; remove special
403 (get_file_function_name): Remove.
404 * tree.h (get_file_function_name): Rename from
405 get_file_function_name_long.
406 (get_file_function_name): Remove prototype.
408 2006-10-31 Geoffrey Keating <geoffk@apple.com>
410 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
411 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
413 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
414 Call dsymutil when compiling and linking one or more source files
417 2006-10-31 Geoffrey Keating <geoffk@apple.com>
420 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
422 2006-10-31 Geoffrey Keating <geoffk@apple.com>
424 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
425 inline static functions in c99 mode.
428 * doc/extend.texi (Inline): Update.
429 * c-tree.h (struct language_function): Remove field 'extern_inline'.
430 * c-decl.c (current_extern_inline): Delete.
431 (pop_scope): Adjust test for an undefined nested function.
432 Add warning about undeclared inline function.
433 (diagnose_mismatched_decls): Update comments. Disallow overriding
434 of inline functions in a translation unit in C99. Allow inline
435 declarations in C99 at any time.
436 (merge_decls): Boolize variables. Handle C99 'extern inline'
438 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
439 C99 inline semantics.
440 (start_function): Don't clear current_extern_inline. Don't set
442 (c_push_function_context): Don't push current_extern_inline.
443 (c_pop_function_context): Don't restore current_extern_inline.
446 * c-typeck.c (build_external_ref): Warn about static variables
447 used in extern inline functions.
448 * c-decl.c (start_decl): Warn about static variables declared
449 in extern inline functions.
451 2006-10-31 Roger Sayle <roger@eyesopen.com>
454 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
455 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
456 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
457 or y is an even integer.
459 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
462 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
463 * gthr-posix95.h (__gthread_active_p): Likewise.
465 2006-10-31 Richard Guenther <rguenther@suse.de>
467 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
468 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
469 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
470 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
471 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
472 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
473 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
474 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
477 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
479 * opts.c (decode_options): Disable CSE skip blocks.
481 2006-10-30 Dirk Mueller <dmueller@suse.de>
483 * c-common.h (strict_aliasing_warning): Fix whitespace.
484 * c-decl (start_function): Move code for main decl warning ..
485 * c-common.c (check_main_parameter_types): .. here.
486 * c-common.h (check_main_parameter_types): Declare.
488 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
491 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
493 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
495 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
496 be a PARALLEL containing sets. Return false when out_pat is not
499 2006-10-30 Richard Sandiford <richard@codesourcery.com>
501 * config/mips/mips.md (mul<mode>3): Split into...
502 (mulsi3, muldi3): ...these separate patterns.
504 2006-10-30 Richard Sandiford <richard@codesourcery.com>
506 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
507 but with each set of options separated by spaces.
509 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
511 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
512 dwarf_reg_size_table has been initialized.
514 2006-10-30 Roger Sayle <roger@eyesopen.com>
516 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
517 * ddg.c (print_ddg_edge): Likewise.
518 * dwarf2out.c (prune_unused_types_walk): Likewise.
519 * ifcvt.c (noce_try_cmove_arith): Likewise.
520 * langhooks.c (add_builtin_function): Likewise.
521 * reg-stack.c (subst_stack_regs_pat): Likewise.
522 * tree.c (expanded_location): Likewise.
523 * tree-dump.c (dequeue_and_dump): Likewise.
525 2006-10-30 David Daney <ddaney@avtrex.com>
527 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
529 2006-10-30 Jakub Jelinek <jakub@redhat.com>
531 PR tree-optimization/29637
532 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
533 of the innertype is the innertype itself.
535 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
537 * dwarf2out.c (file_name_acquire): Correct typo.
539 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
541 * tree.h (tree_value_handle): Remove struct value_set declaration.
542 Change value_set to bitmap_set.
543 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
544 * tree-vn.c (get_value_handle): Made inline and moved to
546 * tree-flow-inline.h: (has_stmt_ann): New function.
547 * tree-ssa-pre.c (expressions): New variable.
548 (next_expression_id): Ditto.
549 (alloc_expression_id): New function.
550 (struct value_set): Remove.
551 (get_expression_id): New function.
552 (get_or_alloc_expression_id): Ditto.
553 (expression_for_id): Ditto.
554 (clear_expression_ids): Ditto.
555 (FOR_EACH_EXPR_ID_IN_SET): New macro.
556 (bb_value_sets): Renamed to bb_bitmap_sets.
557 All value sets replaced with bitmap_sets.
559 (BB_VISITED): New macro.
560 (postorder): New variable.
561 (add_to_value): Removed.
562 (value_exists_in_set_bitmap): Ditto.
563 (value_insert_into_set_bitmap): Ditto.
567 (set_contains_value): Ditto.
568 (insert_into_set): Ditto.
570 (find_leader): Ditto.
571 (bitmap_set_subtract_from_value_set): Ditto.
572 (value_insert_into_set): Ditto.
573 (print_value_set): Ditto.
574 (debug_value_set): Ditto.
575 (constant_expr_p): New function.
576 (bitmap_remove_from_set): Ditto.
577 (bitmap_insert_into_set): Ditto.
578 (bitmap_set_free): Ditto.
580 (sorted_array_from_bitmap_set): Ditto.
581 (bitmap_set_subtract): Ditto.
582 (bitmap_set_equal): Ditto.
583 (debug_bitmap_set): Ditto.
584 (find_leader_in_sets): Ditto.
585 (bitmap_set_replace_value): Modify for bitmapped sets.
586 (phi_translate): Ditto.
587 (phi_translate_set): Ditto.
588 (bitmap_find_leader): Ditto.
589 (valid_in_sets): Ditto.
590 (union_contains_value): Ditto.
592 (compute_antic_aux): Ditto. Mark changed blocks.
593 (compute_antic): Ditto. Iterate in postorder and only over
595 (compute_rvuse_and_antic_safe): Reuse postorder.
596 (create_component_ref_by_pieces): Modify for bitmapped sets.
597 (find_or_generate_expression): Ditto.
598 (create_expression_by_pieces): Ditto.
599 (insert_into_preds_of_block): Ditto.
600 (changed_blocks): New variable.
601 (do_regular_insertion): Broken out from insert_aux.
602 (insert_aux): Modified for bitmapped sets.
603 (find_existing_value_expr): New function.
604 (create_value_expr_from): Use it.
605 (insert_extra_phis): Removed.
606 (print_bitmap_set): Renamed from bitmap_print_value_set.
607 (compute_avail): Handle RETURN_EXPR.
608 (init_pre): Modify for bitmapped sets.
609 * tree-flow.h (has_stmt_ann): New function.
611 2006-10-29 Roger Sayle <roger@eyesopen.com>
613 * builtins.c (fold_builtin_floor): Check for the availability of
614 the C99 trunc function before transforming floor into trunc.
616 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
618 * builtins.c (fold_builtin_hypot): Rearrange recursive
619 transformation before others, and also do ABS_EXPR. When
620 necessary, check flag_unsafe_math_optimizations. When necessary,
623 2006-10-29 Roger Sayle <roger@eyesopen.com>
625 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
626 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
627 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
628 Fold -X eq/ne -Y as X eq/ne Y.
630 2006-10-29 Richard Sandiford <richard@codesourcery.com>
632 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
633 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
634 rather than GENERATE_MULT3_SI in the various define_peephole2s.
635 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
636 Use an inclusive test for "mult" rather than "mul".
637 (rotr<mode>3): Depend on ISA_HAS_ROR.
638 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
640 (GENERATE_MULT3_DI): Delete.
641 (ISA_HAS_64BIT_REGS): Use consistent formatting.
642 (ISA_HAS_MUL3): New macro.
643 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
644 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
645 (ISA_HAS_CLZ_CLO): Likewise.
646 (ISA_HAS_DCLZ_DCLO): Delete.
647 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
648 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
649 the VR4120 and VR4130.
650 (ISA_HAS_MACCHI): Use consistent formatting.
651 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
652 (ISA_HAS_ROR): ...this new macro.
653 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
654 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
655 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
657 2006-10-29 Roger Sayle <roger@eyesopen.com>
659 PR tree-optimization/15458
660 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
663 2006-10-29 Richard Guenther <rguenther@suse.de>
665 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
666 (ix86_expand_truncdf_32): Likewise.
667 * config/i386/i386.c (ix86_expand_trunc): New function expanding
668 trunc inline for SSE math and -fno-trapping-math and if not
670 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
671 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
672 for expanding btrunc inline for SSE math.
674 2006-10-29 Joseph Myers <joseph@codesourcery.com>
676 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
677 Handle tuning for bi-arch i[34567]86-*-linux* like that for
678 i[34567]86-*-solaris2.1[0-9]*.
679 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
680 Define conditionally depending on TARGET_64BIT_DEFAULT.
681 (SPEC_32, SPEC_64): Define.
682 (LINK_SPEC): Use them.
683 * doc/install.texi (--enable-targets=all): Document for x86-linux.
685 2006-10-29 Richard Guenther <rguenther@suse.de>
687 * config/i386/i386-protos.h (ix86_expand_round): Declare.
688 (ix86_expand_rounddf_32): Likewise.
689 * config/i386/i386.c (ix86_expand_round): New function expanding
690 round inline for SSE math and -fno-trapping-math and if not
692 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
693 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
694 round via ix86_expand_round.
696 2006-10-29 Richard Guenther <rguenther@suse.de>
698 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
699 (ix86_expand_floorceildf_32): Likewise.
700 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
701 static helper function.
702 (ix86_expand_floorceil): Expander for floor and ceil to SSE
704 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
705 * config/i386/i386.md (floordf2): Adjust to enable floor
706 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
707 -fno-trapping-math is enabled and if not optimizing for size.
708 (floorsf2, ceildf2, ceilsf2): Likewise.
709 * config/i386/sse.md (sse_maskcmpsf3): New insn.
710 (sse2_maskcmpdf3): Likewise.
712 2006-10-29 Richard Guenther <rguenther@suse.de>
714 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
715 rint in case -fno-trapping-math is enabled.
716 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
717 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
718 (ix86_expand_sse_fabs): Likewise.
719 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
720 * config/i386/i386.md (rintdf2): Enable for SSE math if
721 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
724 2006-10-29 Richard Guenther <rguenther@suse.de>
726 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
727 to conversion optabs.
728 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
730 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
731 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
732 (lfloor_optab, lceil_optab): Adjust defines.
733 * builtins.c (expand_builtin_int_roundingfn): Adjust for
734 lfloor and lceil optabs now being conversion optabs.
735 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
736 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
737 New static helper function.
738 (ix86_expand_lfloorceil): New function to expand lfloor and
740 * config/i386/i386.md (lfloor<mode>2): Split into ...
741 (lfloorxf<mode>2): ... x87 variant
742 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
743 using ix86_expand_lfloorceil.
744 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
746 * doc/md.texi (lfloorMN, lceilMN): Document.
748 2006-10-29 Richard Sandiford <richard@codesourcery.com>
750 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
751 -mno-shared assembler option on mips targets.
752 * configure, config.in: Regenerate.
753 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
754 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
755 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
757 2006-10-29 Richard Sandiford <richard@codesourcery.com>
759 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
760 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
762 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
764 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
765 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
768 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
771 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
772 (fold_builtin_pow): Evaluate constant arguments at compile-time
774 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
775 (do_mpfr_ckconv): New helper function.
776 (do_mpfr_arg1): Use do_mpfr_ckconv.
779 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
782 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
783 (-fdump-rtl-sched): Rename to ..
784 (-fdump-rtl-sched1): here. Also fix file extension number.
786 2006-10-28 Richard Guenther <rguenther@suse.de>
788 * fold-const.c (maybe_canonicalize_comparison): Fix code
791 2006-10-28 Uros Bizjak <uros@kss-loka.si>
793 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
794 (NON_QI_REG_P): Use IN_RANGE.
795 (REX_INT_REGNO_P): Use IN_RANGE.
796 (FP_REGNO_P): Use IN_RANGE.
797 (SSE_REGNO_P): Use IN_RANGE.
798 (REX_SSE_REGNO_P): Use IN_RANGE.
799 (MMX_REGNO_P): Use IN_RANGE.
800 (STACK_REGNO_P): New macro.
801 (STACK_REG_P): Use STACK_REGNO_P.
802 (NON_STACK_REG_P): Use STACK_REGNO_P.
803 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
804 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
805 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
806 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
807 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
809 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
811 * except.h (output_function_exception_table): Add 'const char*' param.
812 * except.c (switch_to_exception_section): Add 'const char*' param.
813 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
814 and flag_function_sections is set, use a function-specific section.
815 (output_function_exception_table): Add 'const char*' param.
816 Adjust call to switch_to_exception_section.
817 * final.c (rest_of_handle_final): Adjust calls to
818 output_function_exception_table.
819 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
820 * config.in: Regenerate.
821 * configure: Likewise.
823 2006-10-28 Richard Guenther <rguenther@suse.de>
826 * fold-const.c (maybe_canonicalize_comparison_1): Helper
827 for maybe_canonicalize_comparison.
828 (maybe_canonicalize_comparison): New function for canonicalizing
830 (fold_comparison): Call it to canonicalize comparisons with
833 2006-10-28 Richard Guenther <rguenther@suse.de>
836 * builtins.c (expand_builtin_int_roundingfn_2): Expand
837 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
838 (expand_builtin): Adjust likewise.
839 * genopinit.c (optabs[]): Add lround optab.
840 * optabs.c (init_optabs): Initialize lround_optab.
841 * optabs.h (enum convert_optab_index): Add COI_lround.
842 (lround_optab): Define.
843 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
844 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
846 (ix86_expand_lround): New function.
847 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
849 * doc/md.texi (lroundMN2): Document.
851 2006-10-28 Uros Bizjak <uros@kss-loka.si>
854 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
855 argument to HOST_WIDE_INT. Update function prototype.
856 (round_frame_size): Change return type to HOST_WIDE_INT. Change
857 "size" argument to HOST_WIDE_INT. Update function prototype.
859 2006-10-28 Uros Bizjak <uros@kss-loka.si>
861 * config/i386/i386.c (output_387_ffreep): Create output from a
862 template string for !HAVE_AS_IX86_FFREEP.
864 2006-10-27 Eric Christopher <echristo@apple.com>
866 * config/darwin.c: Fix formatting and grammar.
868 2006-10-27 Jan Hubicka <jh@suse.cz>
870 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
871 to be thrown away soon when IGNORE is set.
872 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
873 indicating when return value shall not be computed.
874 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
876 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
878 * config/i386/i386.h (TARGET_GEODE):
879 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
880 (TARGET_CPU_DEFAULT_geode): New macro.
881 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
882 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
883 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
884 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
885 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
887 (TARGET_CPU_DEFAULT_NAMES): Add geode.
888 (processor_type): Add PROCESSOR_GEODE.
890 * config/i386/i386.md: Include geode.md.
893 * config/i386/i386.c (geode_cost): New initialized global
895 (m_GEODE, m_K6_GEODE): New macros.
896 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
897 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
898 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
899 x86_schedule): Use m_K6_GEODE instead of m_K6.
900 (x86_movx, x86_cmove): Set up m_GEODE.
901 (x86_integer_DFmode_moves): Clear m_GEODE.
902 (processor_target_table): Add entry for geode.
903 (processor_alias_table): Ditto.
905 * config/i386/geode.md: New file.
907 * doc/invoke.texi: Add entry about geode processor.
909 2006-10-27 Mike Stump <mrs@apple.com>
911 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
912 __DYNAMIC__ from here back to ...
913 * config/darwin.h (CPP_SPEC): ... here.
915 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
916 Nathan Sidwell <nathan@codesourcery.com>
918 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
919 when choosing the minimum heapsize.
921 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
923 * gcc/unwind-dw2.h: Move cfa-related variables into
924 struct frame_state_reg_info to ensure that the CFA is properly
925 handled when executing DW_CFA_{remember,restore}_state.
926 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
927 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
928 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
929 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
930 gcc/config/rs6000/linux-unwind.h,
931 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
932 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
933 Modify to use new cfa_* fields.
935 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
937 * config/s390/s390.c (s390_init_frame_layout): Check positive
940 2006-10-26 Ben Elliston <bje@au.ibm.com>
942 * gimplify.c (get_name): Remove extraneous break.
943 (gimplify_omp_for): Initialise ret with GS_OK.
945 2006-10-25 Steve Ellcey <sje@cup.hp.com>
947 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
948 Add unix98.o to link line.
950 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
953 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
954 Calculate compile-time constants using MPFR.
955 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
956 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
958 2006-10-25 Bob Wilson <bob.wilson@acm.org>
960 * config/xtensa/lib2funcs.S: Use C-style comments.
962 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
964 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
965 (file_table_relative_p): Likewise.
966 (dwarf2out_finish): Likewise.
967 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
969 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
971 * tree-ssa-structalias.c (intra_create_variable_infos):
972 Don't recreate nonlocal_all if it already exists.
974 2006-10-25 Richard Guenther <rguenther@suse.de>
977 * optabs.h (enum optab_index): Remove OTI_lrint.
978 (enum convert_optab_index): Add COI_lrint.
979 (lrint_optab): Adjust.
980 (expand_sfix_optab): Declare.
981 * optabs.c (expand_sfix_optab): New function.
982 (init_optabs): Init lrint_optab as conversion optab.
983 * genopinit.c (lrint_optab): Change to a conversion optab.
984 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
985 expansion via conversion optab.
986 * config/i386/i386.md (*fistdi2_1): Remove
987 flag_unsafe_math_optimizations guard.
988 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
989 fist<mode>2_with_temp): Likewise.
990 (lrint<mode>2): Split into...
991 (lrintxf<mode>2): ... x87 part
992 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
993 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
994 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
995 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
996 * doc/md.texi (lrintMN2): Document.
998 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1001 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1002 Use inc and dec instructions for TARGET_USE_INCDEC.
1003 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1004 ("sync_double_compare_and_swap<mode>"): Likewise.
1005 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1006 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1007 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1008 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1009 ("sync_old_add<mode>"): Likewise.
1010 ("sync_lock_test_and_set<mode>"): Likewise.
1011 ("sync_lock_test_and_set<mode>"): Likewise.
1012 ("sync_add<mode>"): Likewise.
1013 ("sync_sub<mode>"): Likewise.
1014 ("sync_ior<mode>"): Likewise.
1015 ("sync_and<mode>"): Likewise.
1016 ("sync_xor<mode>"): Likewise.
1018 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1020 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1021 (remainder_optab): Define corresponding macro.
1022 (drem_optab): Remove.
1023 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1024 drem_optab initialization.
1025 * genopinit.c (optabs): Implement remainder_optab using
1026 remainder?f3 patterns. Remove drem_optab.
1027 * builtins.c (expand_builtin_mathfn_2): Handle
1028 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1029 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1030 expand_builtin_mathfn_2.
1032 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1033 depend on flag_unsafe_math_optimizations.
1035 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1036 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1037 Do not depend on flag_unsafe_math_optimizations. Use
1038 truncxf?f expander instead of truncxf?f_i387_noop.
1040 ("fpremxf4", "fprem1xf4"): Do not depend on
1041 flag_unsafe_math_optimizations.
1042 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1043 flag_unsafe_math_optimizations. Use truncxf?f expander
1044 instead of truncxf?f_i387_noop.
1046 * doc/md.texi (fmod, remainder): Document standard named pattern.
1048 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1049 David Daney <ddaney@avtrex.com>
1052 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1054 2006-10-25 Ben Elliston <bje@au.ibm.com>
1056 * doc/extend.texi (Variable Attributes): Typo fix.
1058 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1060 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1061 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1062 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1063 (FRAME_POINTER_REGNUM): Update register number to 21.
1064 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1065 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1067 * config/i386/i386.c (regclass_map): Add fpcr entry.
1068 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1070 (print_reg): Assert REGNO (x) != FPCR_REG.
1072 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1073 (DIRFLAG_REG): Renumber.
1074 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1075 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1076 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1077 hardcoded SSE register numbers.
1079 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1080 hardcoded MMX register numbers.
1082 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1085 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1086 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1088 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1089 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1090 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1091 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1093 2006-10-24 Richard Guenther <rguenther@suse.de>
1096 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1097 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1098 for deciding optimizations in consistency with fold-const.c
1099 (fold_builtin_unordered_cmp): Likewise.
1101 2006-10-24 Richard Guenther <rguenther@suse.de>
1103 * builtins.c (fold_builtin_floor): Fold floor (x) where
1104 x is nonnegative to trunc (x).
1105 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1106 nonnegative to FIX_TRUNC_EXPR.
1108 2006-10-24 Richard Guenther <rguenther@suse.de>
1110 PR tree-optimization/29567
1111 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1112 for TRUTH_NOT_EXPR. Clarify comments.
1114 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1117 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1118 at compile-time using MPFR. Change parameter VALUE to FUNC,
1120 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1121 for overflow and underflow at all times and avoid folding in
1124 2006-10-24 Ben Elliston <bje@au.ibm.com>
1126 * reload1.c: Formatting fixes.
1128 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1130 PR tree-optimization/14784
1131 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1132 * tree-ssa-structalias.c (get_constraint_for,
1133 intra_create_variable_infos): Set is_heapvar.
1134 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1135 non-heapvar pointer variables specially.
1137 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1140 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1141 fold_builtin_tan): Fold all constant arguments. Take a "type"
1142 argument as necessary.
1143 (do_mpfr_arg1): New.
1144 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1146 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1148 * config/xtensa/lib1funcs.asm: Use C-style comments.
1150 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1152 * tree.c (local_define_builtin): Replace calls to
1153 lang_hooks.builtin_function with add_builtin_function.
1154 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1156 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1158 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1159 common code to add_builtin_function.
1160 * langhooks.c (add_builtin_function): New function.
1161 (lhd_builtin_function): New function.
1162 * langhooks.h (struct lang_hooks): Change the signature of
1164 (add_builtin_function): New function.
1165 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1166 calls to lang_hooks.builtin_function with add_builtin_function.
1167 * c-common.c (decl_builtin_1): Replace calls to
1168 lang_hooks.builtin_function with add_builtin_function.
1169 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1170 lang_hooks.builtin_function with add_builtin_function.
1171 * config/frv/frv.c (def_builtin): Replace calls to
1172 lang_hooks.builtin_function with add_builtin_function.
1173 * config/s390/s390.c (s390_init_builtins): Replace calls to
1174 lang_hooks.builtin_function with add_builtin_function.
1175 * config/sparc/sparc.c (def_builtin): Replace calls to
1176 lang_hooks.builtin_function with add_builtin_function.
1177 * config/i386/i386.c (def_builtin): Replace calls to
1178 lang_hooks.builtin_function with add_builtin_function.
1179 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1180 lang_hooks.builtin_function with add_builtin_function.
1181 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1182 lang_hooks.builtin_function with add_builtin_function.
1183 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1184 Replace calls to lang_hooks.builtin_function with
1185 add_builtin_function.
1186 * config/iq2000/iq2000.c (def_builtin):
1187 Replace calls to lang_hooks.builtin_function with
1188 add_builtin_function.
1189 * config/ia64/ia64.c (def_builtin): Replace calls to
1190 lang_hooks.builtin_function with add_builtin_function.
1191 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1192 lang_hooks.builtin_function with add_builtin_function.
1193 (altivec_init_builtins): Replace calls to
1194 lang_hooks.builtin_function with add_builtin_function.
1195 * config/arm/arm.c (def_mbuiltin): Replace calls to
1196 lang_hooks.builtin_function with add_builtin_function.
1197 (arm_init_tls_builtins): Replace calls to
1198 lang_hooks.builtin_function with add_builtin_function.
1199 * config/mips/mips.c (mips_init_builtins): Replace calls to
1200 lang_hooks.builtin_function with add_builtin_function.
1201 * config/bfin/bfin.c (def_builtin): Replace calls to
1202 lang_hooks.builtin_function with add_builtin_function.
1203 * langhooks-def.h (lhd_builtin_function): New function.
1204 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1206 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1208 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1209 BUILT_IN_STRNCAT_CHK.
1211 2006-10-23 Jan Hubicka <jh@suse.cz>
1213 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1214 don't do conversion from memmove to memcpy here.
1215 (expand_builtin_bcopy, expand_builtin): Update call of
1216 expand_builtin_memmove.
1217 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1219 2006-10-23 Paul Brook <paul@codesourcery.com>
1221 * stor-layout.c (start_record_layout): maximum_field_alignment
1222 overrides STRUCTURE_SIZE_BOUNDARY.
1224 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1226 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1227 nonlocal function symbols if flag_pic.
1229 2006-10-23 Richard Guenther <rguenther@suse.de>
1233 * builtins.c (fold_binary): Remove checks for flag_wrapv
1234 and flag_trapv where negate_expr_p covers these cases.
1236 2006-10-23 Richard Guenther <rguenther@suse.de>
1239 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1240 of two on the absolute value.
1241 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1242 and negating -C does not overflow.
1244 2006-10-23 Richard Guenther <rguenther@suse.de>
1247 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1248 only if not flag_rounding_math.
1250 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1251 Kaz Kojima <kkojima@gcc.gnu.org>
1254 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1255 SImode memory reference for the source of a movua.
1256 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1257 (movua): Use an unspec instead of sign_extract. Expect the source
1258 to have mode BLKmode.
1259 (extv, insv): Use a BLKmode rather than SImode memory reference
1260 for the source of a movua.
1262 2006-10-22 Jeff Law <law@redhat.com>
1263 Richard Guenther <rguenther@suse.de>
1265 PR tree-optimization/15911
1266 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1267 (register_edge_assert_for_1): Likewise.
1268 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1269 (find_conditional_asserts): Adjust for new function signature.
1270 (find_assert_locations): Likewise.
1272 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1274 * config/i386/tmmintrin.h: Remove the duplicated content.
1276 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1278 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1279 (x86_64-*-*): Likewise.
1281 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1282 (override_options): Check SSSE3.
1283 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1284 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1285 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1286 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1287 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1288 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1289 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1290 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1291 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1292 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1293 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1294 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1295 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1296 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1297 IX86_BUILTIN_PABSD128.
1298 (bdesc_2arg): Add SSSE3.
1299 (bdesc_1arg): Likewise.
1300 (ix86_init_mmx_sse_builtins): Support SSSE3.
1301 (ix86_expand_builtin): Likewise.
1302 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1304 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1305 (UNSPEC_PSIGN): Likewise.
1306 (UNSPEC_PALIGNR): Likewise.
1307 Include mmx.md before sse.md.
1309 * config/i386/i386.opt: Add -mssse3.
1311 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1312 (ssse3_phaddwv4hi3): Likewise.
1313 (ssse3_phadddv4si3): Likewise.
1314 (ssse3_phadddv2si3): Likewise.
1315 (ssse3_phaddswv8hi3): Likewise.
1316 (ssse3_phaddswv4hi3): Likewise.
1317 (ssse3_phsubwv8hi3): Likewise.
1318 (ssse3_phsubwv4hi3): Likewise.
1319 (ssse3_phsubdv4si3): Likewise.
1320 (ssse3_phsubdv2si3): Likewise.
1321 (ssse3_phsubswv8hi3): Likewise.
1322 (ssse3_phsubswv4hi3): Likewise.
1323 (ssse3_pmaddubswv8hi3): Likewise.
1324 (ssse3_pmaddubswv4hi3): Likewise.
1325 (ssse3_pmulhrswv8hi3): Likewise.
1326 (ssse3_pmulhrswv4hi3): Likewise.
1327 (ssse3_pshufbv16qi3): Likewise.
1328 (ssse3_pshufbv8qi3): Likewise.
1329 (ssse3_psign<mode>3): Likewise.
1330 (ssse3_psign<mode>3): Likewise.
1331 (ssse3_palignrti): Likewise.
1332 (ssse3_palignrdi): Likewise.
1333 (abs<mode>2): Likewise.
1334 (abs<mode>2): Likewise.
1336 * config/i386/tmmintrin.h: New file.
1338 * doc/extend.texi: Document SSSE3 built-in functions.
1340 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1342 2006-10-22 Ira Rosen <irar@il.ibm.com>
1344 * tree-vect-transform.c (vectorizable_load): Use the type of the
1345 return value of the mask_for_load builtin to create realign_load
1348 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1350 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1353 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1355 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1356 (UNSPEC_LDDQU): This.
1357 * config/i386/sse.md (sse3_lddqu): Updated.
1359 2006-10-21 Richard Guenther <rguenther@suse.de>
1361 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1362 (expand_builtin): Use it to expand lrint instead of
1363 expand_builtin_mathfn.
1365 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1368 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1369 flag_unsafe_math_optimizations is set.
1371 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1374 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1375 patterns to use memory input operand in x87->mem->XMM
1376 reload sequences. Skip transformation for TARGET_K8.
1378 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1380 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1381 force operand1 to register if both operands are memory operands.
1382 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1383 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1384 if both operands are memory operands.
1385 (truncdfsf2): Do not force operand1 to register if both operands
1386 are memory operands.
1388 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1390 * Makefile.in (LIBS): Add $(GMPLIBS).
1391 * doc/install.texi: Update GMP and MPFR requirements.
1392 * doc/sourcebuild.texi (need_gmp): Delete.
1394 2006-10-21 Richard Guenther <rguenther@suse.de>
1396 PR tree-optimization/3511
1397 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1398 got new invariant arguments during PHI translation.
1400 2006-10-21 Richard Guenther <rguenther@suse.de>
1403 * fold-const.c (fold_comparison): Fold signed comparisons
1404 of the form X +- C1 CMP Y +- C2.
1406 2006-10-21 Richard Guenther <rguenther@suse.de>
1409 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1410 if flag_unsafe_math_optimizations is specified. We have
1411 flag_finite_math_only for that.
1412 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1413 or flag_unsafe_math_optimizations.
1415 2006-10-21 Richard Guenther <rguenther@suse.de>
1417 * builtins.c (fold_builtin_classify): Fix typo.
1419 2006-10-21 Richard Guenther <rguenther@suse.de>
1422 * simplify-rtx.c (simplify_const_relational_operation):
1423 Do not constant-fold ORDERED and UNORDERED for
1424 flag_unsafe_math_optimizations but only we do not need to
1425 honor NaNs for the given mode.
1427 2006-10-21 Richard Guenther <rguenther@suse.de>
1430 * config/i386/i386.c (classify_argument): Remove redundant
1431 walking of the BINFOs.
1432 (contains_128bit_aligned_vector_p): Likewise.
1434 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1436 * BASE-VER: Set to 4.3.0.
1438 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1440 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1441 (tree_decl_with_vis): Remove artificial_pta_var flag.
1442 * tree-flow.h (referenced_var_check_and_insert): Expose.
1443 (nonlocal_all): New prototype.
1444 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1445 (nonlocal_all): Make global.
1446 (nonlocal_lookup): Remove.
1447 (nonlocal_insert): Ditto.
1448 (create_nonlocal_var): Do not call nonlocal_insert.
1449 (get_nonlocal_id_for_type): Remove.
1450 (find_global_initializers): Mark new vars we find for renaming.
1451 (intra_create_variable_infos): Only create one nonlocal.
1452 (expand_nonlocal_solutions): Remove.
1453 (compute_points_to_sets): Don't call it.
1454 (ipa_pta_execute): Ditto.
1455 (init_alias_heapvars): Don't create nonlocal_for_type.
1456 (delete_alias_heapvars): Don't remove it.
1457 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1460 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1462 * doc/install.texi (Downloading GCC): Clarify mention of
1463 Fortran in the "full distribution" description.
1465 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1467 Fix PR tree-optimization/28778
1468 Fix PR tree-optimization/29156
1469 Fix PR tree-optimization/29415
1470 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1471 (tree_decl_with_vis): Add artificial_pta_var flag.
1472 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1473 pushed into callers.
1474 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1475 (nonlocal_all): Ditto.
1476 (struct variable_info): Add directly_dereferenced member.
1477 (var_escaped_vars): New variable.
1478 (escaped_vars_tree): Ditto.
1479 (escaped_vars_id): Ditto.
1480 (nonlocal_vars_id): Ditto.
1481 (new_var_info): Set directly_dereferenced.
1482 (graph_size): New variable
1483 (build_constraint_graph): Use graph_size.
1484 (solve_graph): Don't process constraints that cannot change the
1485 solution, don't try to propagate an empty solution to our
1487 (process_constraint): Set directly_dereferenced.
1488 (could_have_pointers): New function.
1489 (get_constraint_for_component_ref): Don't process STRING_CST.
1490 (nonlocal_lookup): New function.
1491 (nonlocal_insert): Ditto.
1492 (create_nonlocal_var): Ditto.
1493 (get_nonlocal_id_for_type): Ditto.
1494 (get_constraint_for): Allow results vector to be empty in the case
1495 of string constants.
1496 Handle results of calls properly.
1497 (update_alias_info): Update alias info stats on number and type of
1499 (find_func_aliases): Use could_have_pointers.
1500 (make_constraint_from_escaped): Renamed from
1501 make_constraint_to_anything, and changed to make constraints from
1503 (make_constraint_to_escaped): New function.
1504 (find_global_initializers): Ditto.
1505 (create_variable_info_for): Make constraint from escaped to any
1506 global variable, and from any global variable to the set of
1508 (intra_create_variable_infos): Deal with escaped instead of
1509 pointing to anything.
1510 (set_uids_in_ptset): Do type pruning on directly dereferenced
1512 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1513 (init_base_vars): Fix comment, and initialize escaped_vars.
1514 (need_to_solve): Removed.
1515 (find_escape_constraints): New function.
1516 (expand_nonlocal_solutions): Ditto.
1517 (compute_points_to_sets): Call find_escape_constraints and
1518 expand_nonlocal_solutions.
1519 (delete_points_to_sets): Don't fall off the end of the graph.
1520 (init_alias_heapvars): Initialize nonlocal_for_type and
1522 (delete_alias_heapvars): Free nonlocal_for_type and null out
1525 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1527 * fold-const.c (add_double): Rename to add_double_with_sign.
1528 Add 'unsigned_p' parameter and take it into account for the overflow.
1529 (mul_double): Rename to mul_double_with_sign.
1530 Add 'unsigned_p' parameter and take it into account for the overflow.
1531 (fold_div_compare): Call add_double_with_sign instead of add_double
1532 and mul_double_with_sign instead of mul_double, passing them the
1533 unsignedness of the type.
1534 * tree.h (add_double): Macroize.
1535 (add_double_with_sign): New prototype.
1536 (mul_double): Macroize.
1537 (mul_double_with_sign): New prototype.
1539 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1541 * config/score/crti.asm: New file.
1542 * config/score/crtn.asm: New file.
1543 * config/score/elf.h: New file.
1544 * config/score/mac.md: New file.
1545 * config/score/misc.md: New file.
1546 * config/score/mul-div.S: New file.
1547 * config/score/predicates.md: New file.
1548 * config/score/score7.md: New file.
1549 * config/score/score.c: New file.
1550 * config/score/score-conv.h: New file.
1551 * config/score/score.h: New file.
1552 * config/score/score.md: New file.
1553 * config/score/score-mdaux.c: New file.
1554 * config/score/score-mdaux.h: New file.
1555 * config/score/score-modes.def: New file.
1556 * config/score/score.opt: New file.
1557 * config/score/score-protos.h: New file.
1558 * config/score/score-version.h: New file.
1559 * config/score/t-score-elf: New file.
1560 * config.gcc: Add score*-*-* configurations(Update before).
1561 * doc/invoke.texi (Score Options): New section.
1562 * doc/md.texi (Score family): New section to document constraints.
1564 2006-10-19 Nick Clifton <nickc@redhat.com>
1566 * config/arm/arm.c: Fix spelling typo.
1568 2006-10-18 Tom Tromey <tromey@redhat.com>
1570 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1572 2006-10-18 Jan Hubicka <jh@suse.cz>
1575 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1578 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1580 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1581 TSI_SAME_STMT, since that's the desired entity.
1583 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1585 * config/s390/contraints.md: New file.
1586 * config/s390/s390-protos.h (s390_mem_constraint,
1587 s390_O_constraint_str, s390_N_constraint_str,
1588 s390_float_const_zero_p): Function prototypes added.
1589 * config/s390/s390.c (s390_extra_constraint_str,
1590 s390_const_double_ok_for_constraint_p,
1591 s390_const_ok_for_constraint_p): Functions removed.
1592 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1593 s390_float_const_zero_p): New functions.
1594 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1595 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1596 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1597 Macro definitions removed.
1598 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1599 s390_extra_constraint_str): Functions removed.
1601 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1602 Richard Sandiford <richard@codesourcery.com>
1605 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1606 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1608 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1610 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1611 (DWARF2_FRAME_REG_OUT): Likewise.
1612 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1613 (DWARF2_FRAME_REG_OUT): Likewise.
1615 2006-10-17 Paul Brook <paul@codesourcery.com>
1617 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1619 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1621 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1622 Standardize on "GNU Fortran" as the official name of the Fortran
1625 2006-10-16 Mike Stump <mrs@apple.com>
1627 * doc/invoke.texi (Darwin Options): Document -mkernel.
1628 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1630 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1631 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1632 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1633 (OS_MISSING_ALTIVEC): Add.
1634 * config/i386/i386.c (override_options): Add
1635 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1636 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1637 -mkernel, -static or -mdynamic-no-pic is given.
1638 (C_COMMON_OVERRIDE_OPTIONS): Add.
1639 * config/darwin.opt (fapple-kext): Add.
1641 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1642 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1644 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1645 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1646 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1647 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1648 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1649 (flag_mkernel): Add.
1650 (flag_apple_kext): Add.
1651 (TARGET_KEXTABI): Add.
1652 * config/darwin.c (darwin_handle_kext_attribute): Add.
1653 (DARWIN_VTABLE_P): Add.
1654 (darwin_binds_local_p): Add partial support for rebinding vtables
1656 (darwin_kextabi_p): Add.
1657 (darwin_override_options): Add.
1658 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1659 (darwin_kextabi_p): Add.
1660 (darwin_override_options): Add.
1661 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1662 __DYNAMIC__ and __STATIC__ here.
1664 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1666 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1667 Added mention of "make pdf" target, and Texinfo requirements for
1670 2006-10-16 DJ Delorie <dj@redhat.com>
1672 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1673 into the GOT in case we need a subreg of the address.
1675 2006-10-16 Richard Guenther <rguenther@suse.de>
1678 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1679 SSE builtin documentation. Document SSE2 builtins.
1681 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1683 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1684 symbol in the output file for non-shared links when -nostdlib or
1685 -nodefaultlibs isn't specified.
1687 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1688 posix thread support.
1690 2006-10-15 Jan Hubicka <jh@suse.cz>
1693 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1694 declared always_inline even when not inlining.
1696 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1697 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1698 Andrew Pinski <pinskia@gmail.com>
1701 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1703 2006-10-15 Jan Hubicka <jh@suse.cz>
1704 Richard Guenther <rguenther@suse.de>
1707 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1708 process_function_and_variable_attributes on all variables, including
1709 those discovered during cgraph construction phase.
1711 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1713 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1715 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1717 * config/i386/athlon.md (athlon_fist): Add fisttp.
1719 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1720 Ian Lance Taylor <ian@airs.com>
1723 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1724 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1727 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1729 * config/score/score.c, config/score/score.h: Fix comment
1732 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1735 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1738 2006-10-13 Eric Christopher <echristo@apple.com>
1740 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1742 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1745 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1746 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1747 alignment supported by 32-bit ELF.
1749 2006-10-13 Eric Christopher <echristo@apple.com>
1751 * config/darwin.c (darwin_emit_unwind_label): Strip
1752 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1754 2006-10-13 Richard Guenther <rguenther@suse.de>
1756 PR tree-optimization/29446
1757 * tree-vrp.c (fix_equivalence_set): Remove.
1758 (extract_range_from_assert): Do not call fix_equivalence_set.
1759 (debug_value_range): Print a newline.
1760 (compare_name_with_value): For equivalence sets with
1761 inconsistent value ranges conservatively bail out.
1762 (compare_names): Likewise.
1764 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1766 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1767 and MPFR for gfortran.
1769 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1771 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1772 alignment supported by 32-bit ELF.
1774 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1778 * c-typeck.c (digest_init): Always allow initializing vectors
1779 that have static storage duration with compound literals.
1780 * tree.c (build_type_attribute_qual_variant): New, based on
1781 build_type_attribute_variant.
1782 (build_type_attribute_variant): Rewrite using the former.
1783 (make_vector_type): Use build_type_attribute_qual_variant to build
1784 type variants. Use type_hash_canon on the others.
1786 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1787 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1789 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1791 2006-10-12 Jan Hubicka <jh@suse.cz>
1794 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1795 current_function_decl is set but current_function_scope is not.
1797 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1799 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1800 emit_insn to emit eh_return_internal instruction.
1801 (eh_return_internal): Explicitly set pc.
1803 2006-10-11 Richard Guenther <rguenther@suse.de>
1805 PR tree-optimization/28230
1806 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1807 to the correct place.
1809 2006-10-11 Richard Guenther <rguenther@suse.de>
1812 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1815 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1817 * configure.ac: Added pdf to "Make-hooks"
1818 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1819 targets and *.pdf file patterns in cleanup targets.
1820 * configure: Regenerated.
1822 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1824 * config/avr/predicates.md: New file.
1825 * config/avr/avr.md: Include it.
1826 (REG_SP): New constant.
1827 (peepholes): Use predicates.
1828 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1829 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1830 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1832 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1834 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1837 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1840 * builtins.c (var_decl_component_p): New function.
1841 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1842 single entry optimization to variables and components thereof.
1844 2006-10-10 Richard Guenther <rguenther@suse.de>
1846 PR rtl-optimization/29323
1847 * except.c (set_nothrow_function_flags): For functions
1848 that do not bind local bail out early.
1850 2006-10-10 Ben Elliston <bje@au.ibm.com>
1852 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1855 2006-10-09 Richard Henderson <rth@redhat.com>
1857 Revert emutls patch.
1859 2006-10-09 Richard Guenther <rguenther@suse.de>
1862 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1865 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1868 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1869 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1870 * configure: Regenerate.
1871 * config.in: Regenerate.
1873 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1875 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1877 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1879 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1880 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1881 Remove stray newline.
1883 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1885 * config/mips/mips.c (mips_classify_symbol): Do not return
1886 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1887 (mips_in_small_data_p): Tweak comments.
1889 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1891 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1893 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1895 * gimplify.c, sched-int.h: Fix comment typos.
1897 * sched-int.h: Fix comment typos.
1899 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1901 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1903 * sched-ebb.c (begin_schedule_ready): Use them.
1904 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1905 add_to_speculative_block, create_check_block_twin, speculate_insn,
1906 fix_jump_move, move_block_after_check): Ditto.
1907 * sched-rgn.c (new_ready): Ditto.
1909 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1911 PR rtl-optimization/29128
1912 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1913 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1914 allow interblock movement of speculation checks.
1916 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1919 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1920 casted to integer type.
1921 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1922 if they are significantly more expensive than [reg + index] ones.
1924 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1926 PR tree-optimization/29330
1927 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1928 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1929 on newly allocated ddrs.
1930 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1931 to VEC (loop_p, heap) pointer.
1932 (compute_data_dependences_for_loop): Adjust caller.
1933 (free_dependence_relations): Free DDR_LOOP_NEST.
1935 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1936 free DEPENDENCE_RELATIONS and DATAREFS.
1939 * builtins.c (expand_builtin_sync_operation,
1940 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1941 Use convert_to_mode to handle promoted arguments.
1943 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1945 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1947 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1949 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1951 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1953 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1954 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1955 Use <modeconstraint> instead of "r" as operand 1 constraint.
1957 2006-10-06 Olivier Hainque <hainque@adacore.com>
1959 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1960 Don't recurse on the pointed-to type.
1961 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1962 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1963 types with components of variable size.
1965 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1967 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1969 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1971 PR tree-optimization/29290
1972 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1976 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1977 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1980 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1981 the number of vector elements fill the rest with zeros.
1983 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1985 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1986 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1989 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1991 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1992 unnamed pattern into subsi3. Use correct constraints/predicates.
1993 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1994 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1996 2006-10-05 Ira Rosen <irar@il.ibm.com>
1998 * doc/loop.texi: Add data references analysis description.
2000 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2002 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2004 2006-10-04 Richard Henderson <rth@redhat.com>
2005 Jakub Jelinek <jakub@redhat.com>
2007 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2008 * builtin-types.def (BT_WORD): Make unsigned.
2009 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2010 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2011 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2012 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2013 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2014 * cgraph.c (decide_is_variable_needed): Look at force_output.
2015 Recurse for emulated tls.
2016 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2017 checks redundant with decide_is_variable_needed.
2018 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2019 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2021 * expr.c (emutls_var_address): New.
2022 (expand_expr_real_1): Expand emulated tls.
2023 (expand_expr_addr_expr_1): Likewise.
2024 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2025 * output.h (emutls_finish): Declare.
2026 * toplev.c (compile_file): Call it.
2027 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2028 address before wrapping in CONST.
2029 * varasm.c (emutls_htab, emutls_object_type): New.
2030 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2031 (get_emutls_object_name, get_emutls_object_type): New.
2032 (get_emutls_init_templ_addr, emutls_decl): New.
2033 (emutls_common_1, emutls_finish): New.
2034 (assemble_variable): When emulating tls, swap decls; generate
2035 constructor for the emutls objects.
2036 (do_assemble_alias): When emulating tls, swap decl and target name.
2037 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2039 * emutls.c: New file.
2040 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2041 tls_object for real tls.
2043 2006-10-04 Zack Weinberg <zackw@panix.com>
2045 Fix bug in constraint-check generator, reported by Rask Ingemann
2047 * genpreds.c (add_constraint): Don't remove anything from the
2049 (write_tm_constrs_h): Detect whether "op" argument is used, and
2050 mark it ARG_UNUSED if it isn't.
2051 (write_insn_const_int_ok_for_constraint): Skip the part of the
2052 expression that would test whether "op" (which is not available
2053 here) is a CONST_INT.
2055 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2058 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2060 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2062 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2063 current Leopard versions.
2064 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2066 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2068 * doc/install.texi: Fix typos.
2070 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2072 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2073 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2074 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2076 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2078 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2079 arg to be struct mach_header_64* instead.
2081 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2084 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2085 side effects after the outer expression's post side effects.
2087 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2089 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2090 comments to reflect actual behavior and relationship between
2091 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2093 * doc/c-tree.texi (Working with declarations): Fix documentation
2094 of FIELD_DECL likewise.
2096 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2099 * doc/extend.texi: Add used variable attribute description.
2101 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2104 * c.opt (Woverride-init): New.
2105 * c-opts.c (c_common_post_options): Default warn_override_init to
2107 * c-typeck.c (add_pending_init, output_init_element): Warn for
2108 overriding initializers without side effects.
2109 * doc/invoke.texi (-Woverride-init): Document.
2112 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2114 PR rtl-optimization/28096
2115 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2116 assignment has already been used as a destination earlier in the block.
2118 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2120 * builtins.c (expand_builtin_setjmp): Delete.
2121 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2122 <BUILT_IN_SETJMP_SETUP>: New case.
2123 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2124 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2125 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2126 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2127 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2128 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2129 (lower_function_body): Initialize it to false. If it is set to true
2130 at the end of the processing, emit the setjmp dispatcher.
2131 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2132 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2133 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2134 on the rhs of the assignment.
2135 (lower_builtin_setjmp): New function.
2136 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2137 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2138 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2139 to detect calls that can go to non-local labels. Use specific
2140 helper to create the abnormal edges associated with them.
2141 <MODIFY_EXPR>: Likewise.
2142 (make_abnormal_goto_edges): New function extracted from...
2143 (make_goto_expr_edges): ...here. Call it for computed gotos.
2144 (simple_goto_p): Minor tweak.
2145 (tree_can_make_abnormal_goto): New predicate.
2146 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2147 (tree_purge_dead_abnormal_call_edges): New function.
2148 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2149 (tree_purge_dead_abnormal_call_edges): Likewise.
2150 (make_abnormal_goto_edges): Likewise.
2151 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2152 Purge all dead abnormal edges if the call was in the last statement.
2153 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2154 (execute_fixup_cfg): If there are non-local labels in the function,
2155 scan the basic blocks and split them at calls that can go to non-local
2156 labels or add missing abnormal call edges. Write down the CFG in the
2158 (pass_fixup_cfg): Remove TODO_dump_func flag.
2159 * unwind-sjlj.c: Poison setjmp.
2160 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2161 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2162 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2163 (DONT_USE_BUILTIN_SETJMP): Document it.
2165 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2168 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2169 to 1 when __ppc64__ is defined.
2170 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2172 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2174 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2176 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2177 * config/ia64/unwind-hpux.c: Delete.
2179 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2181 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2182 on the element before gimplifying it, instead of punting if it is of
2185 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2187 * doc/loop.texi: New file.
2188 * doc/gccint.texi: Reference loop.texi.
2189 * Makefile.in (loop.texi): Add.
2191 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2193 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2195 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2196 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2198 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2200 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2202 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2204 * doc/install.texi: Document required versions of GMP and MPFR.
2206 2006-09-27 Paul Brook <paul@codesourcery.com>
2209 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2211 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2213 * reload1.c (alter_reg): Require the alignment of the stack slot to
2214 be at least reg_max_ref_width bytes.
2215 (scan_paradoxical_subregs): Record the largest width in
2218 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2222 * tree-nested.c (struct nesting_info): Added static_chain_added.
2223 (convert_call_expr): Set static_chain_added when adding static
2224 chain. Handle OMP_PARALLEL and OMP_SECTION.
2226 2006-09-25 Matthias Klose <doko@debian.org>
2228 * doc/invoke.texi: Add missing full stop.
2230 2006-09-25 Richard Henderson <rth@redhat.com>
2232 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2233 before cgraph_function_flags_ready.
2235 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2236 Adam Nemet <anemet@caviumnetworks.com>
2238 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2239 determine_common_wider_type): New functions.
2240 (get_computation_aff): Use them to simplify arithmetic between
2241 UBASE and CBASE if they are shortened from the same type.
2243 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2246 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2247 -2147483647 - 1 instead of 0x80000000.
2249 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2251 * flags.h (HONOR_NANS): Fix typo in comment.
2253 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2255 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2257 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2261 * tree.c (merge_attributes, attribute_list_contained): If both
2262 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2264 * c-typeck.c (comptypes_internal): Don't consider aggregates
2265 in different TUs as compatible if there one set of attributes is
2266 not a subset of the other type's attributes.
2267 (composite_type): Try harder not to create a new aggregate type.
2269 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2271 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2272 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2273 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2274 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2275 than replicating condition above.
2276 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2278 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2279 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2280 the linker by default.
2282 2006-09-22 Mike Stump <mrs@apple.com>
2284 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2287 2006-09-22 Richard Guenther <rguenther@suse.de>
2290 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2291 sort of stack variables stable.
2293 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2296 * explow.c (force_reg): Set REG_POINTER flag according to
2299 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2301 PR tree-optimization/28888
2302 * tree-if-conv.c (combine_blocks): Rewritten.
2303 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2304 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2306 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2308 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2311 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2313 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2315 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2317 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2319 2006-09-21 Roger Sayle <roger@eyesopen.com>
2322 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2323 dw_fde_current_label, to be the start of the function, i.e. the same
2324 value as dw_fde_begin.
2326 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2328 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2329 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2330 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2331 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2332 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2333 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2334 (abs<mode>2, neg<mode>2): Likewise.
2335 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2336 (*mips_abs_ps): New define_insn.
2338 2006-09-20 Josh Conner <jconner@apple.com>
2341 * calls.c (expand_call): Allow reuse of structure return stack
2344 2006-09-20 Paul Brook <paul@codesourcery.com>
2346 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2349 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2351 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2352 clean up terminology.
2354 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2357 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2358 with tablejumps in them.
2360 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2363 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2364 wrap it into TARGET_EXPR.
2366 2006-09-20 Eric Christopher <echristo@apple.com>
2368 * config/i386/i386.c (x86_fisttp): Remove.
2369 * config/i386/i386.h (x86_fisttp): Ditto.
2370 (TARGET_FISTTP): Ditto.
2372 2006-09-19 Eric Christopher <echristo@apple.com>
2374 * doc/tm.texi (OBJC_JBLEN): Describe.
2375 * config/i386/darwin.h (OBJC_JBLEN): Define.
2376 * config/rs6000/darwin.h: Ditto.
2378 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2380 PR rtl-optimization/21299
2381 * reload1.c (reload): Purge invalid ASMs in the final pass.
2383 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2386 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2387 pointers as legitimate constants.
2389 2006-09-19 Paul Brook <paul@codesourcery.com>
2392 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2394 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2396 PR tree-optimization/28887
2397 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2398 component parts from the reference.
2399 (gather_memory_references_ref): Record the reference without the
2400 nonaddressable component parts.
2402 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2405 * c-opts.c (c_common_handle_option): Ignore the -std options
2406 if the input language is assembly.
2408 2006-09-17 Ira Rosen <irar@il.ibm.com>
2411 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2413 (ptr_ptr_may_alias_p): Likewise.
2414 (record_record_differ_p): New function.
2415 (base_object_differ_p): Call record_record_differ_p.
2417 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2420 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2421 away for the expr argument.
2423 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2426 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2427 before using it for dumping after vectorizing loops.
2429 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2430 Jack Howarth <howarth@bromo.med.uc.edu>
2433 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2434 skip on error_mark_node.
2435 (rs6000_darwin64_record_arg_recurse): Likewise.
2437 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2439 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2440 * doc/rtl.texi: Remove related documentation.
2442 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2444 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2447 2006-09-15 Jim Wilson <wilson@specifix.com>
2449 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2450 Handle symbol offsets same as they are handled in ia64_expand_move
2453 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2455 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2456 Add forgotten parameter to the fprintf call.
2458 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2460 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2462 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2464 * doc/contrib.texi: Add my entry.
2466 2006-09-15 Nick Clifton <nickc@redhat.com>
2468 * doc/md.texi (Processor pipeline description): Fix typo in
2469 example of how to use the absence_set directive and reword the
2470 description to make it slightly easier to read.
2472 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2474 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2475 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2476 expanding the number of iterations.
2477 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2479 * cfgrtl.c (emit_insn_at_entry): New function.
2480 * rtl.h (emit_insn_at_entry): Declare it.
2481 * integrate.c (emit_initial_value_sets): Use it.
2483 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2485 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2487 (struct loop_work and related VEC declarations): Delete.
2488 (bfin_dump_loops): Print out new member bad.
2489 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2490 (bfin_scan_loop): Don't recurse.
2491 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2492 loops. No longer need to update outer loops if the current one is
2493 found bad. Move some validitiy checks to bfin_discover_loop.
2494 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2495 but changed not to check for nesting. Also changed to use the new bad
2497 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2498 time. Use bitmap based test to discover loop nesting.
2500 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2502 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2505 2006-09-14 Richard Guenther <rguenther@suse.de>
2506 Kazu Hirata <kazu@codesourcery.com>
2508 PR middle-end/28884.
2509 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2510 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2511 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2512 with TARGET_FUNCTION_VALUE.
2514 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2517 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2519 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2521 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2524 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2527 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2530 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2532 * basic_block.h (bb_has_eh_pred): Fix comment.
2534 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2536 * flow.c (calculate_global_regs_live): Invalidate eh registers
2537 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2538 (propagate_block): Handle eh registers as if they were set at basic
2540 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2542 * global.c (global_conflicts): Make eh registers to conflict with
2543 pseudos live at basic block begin.
2544 * basic_block.h (bb_has_eh_pred): New function.
2546 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2548 PR rtl-optimization/28982
2549 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2550 index of a PRE_MODIFY or POST_MODIFY address.
2551 * reload1.c (inc_for_reload): Use find_replacement on the original
2552 base and index registers.
2554 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2556 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2557 for -Os. Update __m128 alignment requirement.
2559 2006-09-13 Jan Hubicka <jh@suse.cz>
2561 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2563 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2565 PR rtl-optimization/28243
2566 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2567 the insn to which the note was originally attached.
2569 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2570 Roger Sayle <roger@eyesopen.com>
2572 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2573 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2574 on platforms that don't use dwarf for debug info.
2576 2006-09-12 Jason Merrill <jason@redhat.com>
2579 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2580 hard_frame_pointer_rtx after using it to update the frame pointer.
2582 2006-09-12 Roger Sayle <roger@eyesopen.com>
2584 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2585 (TARGET_ASM_CLOSE_PAREN): Likewise.
2586 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2587 (TARGET_ASM_CLOSE_PAREN): Likewise.
2589 2006-09-12 Roger Sayle <roger@eyesopen.com>
2592 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2593 frame information for frames larger than 512 Kbytes on Tru64 when
2594 using the native assembler.
2596 2006-09-12 Roger Sayle <roger@eyesopen.com>
2600 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2601 and symbols. Instead use the implementation from cse.c's hash_rtx.
2603 2006-09-12 Jan Hubicka <jh@suse.cz>
2605 PR rtl-optimization/28071
2606 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2607 (vect_transform_loop): Likewise.
2608 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2609 (new_loop_vec_info): Likewise.
2610 (destroy_loop_vec_info): Likewise.
2611 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2612 (create_stmt_ann): Likewise.
2613 (create_tree_ann): Rename to ...
2614 (create_tree_common_ann): ... this one; allocate only the common part
2616 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2617 (get_value_handle): Likewise.
2618 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2619 get_tree_common_ann.
2620 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2621 (vinfo_for_stmt): Use stmt annotations.
2622 * tree-flow.h (tree_ann_common_t): New type.
2623 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2624 (tree_ann, get_tree_ann, create_tree_ann): New.
2625 * tree-flow-inline.h (get_function_ann): Do more type checking.
2626 (stmt_ann): Likewise.
2627 (tree_ann): Rename to ...
2628 (tree_common_ann): ... this one; return ony common_ann
2629 (get_tree_ann): Rename to ...
2630 (tree_common_ann): This one; return only common_ann.
2631 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2634 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2636 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2637 with_cpu by default.
2639 * dwarf2out.c (dwarf_file_data): New.
2640 (enum dw_val_class): Add dw_val_class_file.
2641 (struct dw_val_struct): Add val_file.
2642 (file_table): Change to a hash table.
2643 (file_table_emitted): Delete.
2644 (file_table_last_lookup_index): Delete.
2645 (emitcount): Delete.
2646 (last_emitted_file): New.
2647 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2648 (init_file_table): Delete.
2649 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2650 (AT_addr): Add comment.
2654 (print_die): Handle dw_val_class_file.
2655 (print_dwarf_line_table): Update for new file table structure.
2656 (attr_checksum): Do checksum a filename.
2657 (same_dw_val_p, same_attr_p): Do compare a filename.
2658 (size_of_die): Handle dw_val_class_file.
2659 (value_format): Likewise.
2660 (output_die): Likewise. Also, call maybe_emit_file here.
2661 (struct file_info): Constify filenames. Make file_idx a pointer
2662 to a struct dwarf_file_data.
2663 (struct dir_info): Constify directory names. Remove 'used' field.
2664 (struct file_name_acquire_data): New.
2665 (file_name_acquire): New.
2666 (output_file_names): Modify to handle new file data structures.
2667 (add_src_coords_attributes): Use add_AT_file.
2668 (add_call_src_coords_attributes): Likewise.
2669 (dwarf2out_imported_module_or_decl): Likewise.
2670 (gen_subprogram_die): Modify for new file data structures.
2671 (gen_variable_die): Likewise.
2672 (file_table_eq): New.
2673 (file_table_hash): New.
2674 (file_table_last_lookup): New.
2675 (lookup_filename): Rewrite to handle new file data structures.
2676 (maybe_emit_file): Rewrite to handle new file data structures.
2677 (dwarf2out_source_line): Always call lookup_filename and
2679 (dwarf2out_init): Create file_table here.
2680 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2681 (file_table_relative_p): New.
2682 (dwarf2out_finish): Change detection of relative filenames
2683 to work with new file data structures. Move output_line_info call
2684 after debug_info output.
2686 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2691 * config/i386/i386.c (override_options): Always default to 16
2692 byte stack boundary.
2694 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2697 * var-tracking.c (dump_dataflow_set): Start dumping at
2699 (clobber_variable_part): Kill only the variable part in
2700 registers holding it, leaving other variables alone.
2702 2006-09-11 Josh Triplett <josh@freedesktop.org>
2704 * doc/extend.texi (Other Builtins): Actually use the macro
2705 argument in the documentation example for
2706 __builtin_types_compatible_p.
2708 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2710 PR rtl-optimization/28726
2711 * sched-deps.c (sched_analyze_reg): New function extracted from...
2712 (sched_analyze_1): ...here. Call it to analyze references to
2713 registers. Treat again writes to a stack register as writing to the
2715 (sched_analyze_2): ...and here. Call it to analyze references to
2716 registers. Treat again reads of a stack register as reading the
2719 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2720 David Edelsohn <edelsohn@gnu.org>
2723 * config/rs6000/spe.md (frob_df_di): Remove %H.
2724 (frob_di_df): Remove %H. Change evmergelo to mr.
2725 (frob_di_df_2): Remove %H. Change evldd to two loads.
2727 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2729 * doc/cpp.texi: Fix names of charset options.
2731 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2734 * config/i386/i386.c (override_options): Use 128-bit
2735 stack boundary always for 64bits.
2737 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2739 PR rtl-optimization/28636
2740 * combine.c (force_to_mode): Test for side-effects before
2741 substituting by zero.
2742 (simplify_shift_const): Likewise for zero or other constants.
2744 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2747 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2750 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2753 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2754 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2755 returned by mode_for_size, rather than the mode of src itself,
2756 to choose between 32-bit and 64-bit patterns.
2757 (mips_mem_fits_mode_p): New function.
2758 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2759 that the size of the source matches the size of the destination.
2760 (mov_<store>l, mov_<store>r): Likewise.
2762 2006-09-10 Eric Christopher <echristo@apple.com>
2764 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2767 2006-09-09 Eric Christopher <echristo@apple.com>
2770 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2773 2006-09-09 Roger Sayle <roger@eyesopen.com>
2774 Nicolas Setton <setton@adacore.com>
2776 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2778 2006-09-10 Andreas Schwab <schwab@suse.de>
2780 * config/m68k/m68k.md (bungt_rev): New pattern.
2782 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2783 Dale Johannesen <dalej@apple.com>
2786 * regclass.c (struct reg_pref): Update documentation.
2787 (regclass): Set prefclass to NO_REGS if memory is the best option.
2788 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2790 2006-09-08 Eric Christopher <echristo@apple.com>
2792 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2793 * config/t-slibgcc-darwin: Support x86_64 multilib.
2794 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2795 Return 1 for x86_64-darwin.
2796 * config/i386/t-darwin: Add m64 multilib.
2797 (LIB2_SIDITI_CONV_FUNCS): Use.
2798 (LIB2FUNCS_EXTRA): Ditto.
2799 * config/i386/darwin.h: Support x86_64.
2800 * config/i386/i386.c (override_options): Turn on flag_pic
2801 for x86_64-darwin. Disable flag_omit_pointer.
2802 (get_pc_thunk_name): Assert !TARGET_64BIT.
2803 (legitimate_address_p): Disable machopic addressing for
2805 (legitimize_pic_address): Ditto.
2806 (ix86_expand_move): Ditto.
2807 (ix86_expand_call): Ditto.
2808 (machopic_output_stub): Ditto.
2809 * config/darwin.c (machopic_select_section): Support literal16.
2810 (machopic_select_rtx_section): Ditto.
2811 * config/darwin-sections.def: Ditto.
2812 * config/darwin-64.c: New.
2814 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2817 * c-tree.h (struct c_arg_info): Add pending_sizes.
2818 * c-parser.c (c_parser_parms_declarator,
2819 c_parser_parms_list_declarator): Initialize pending_sizes.
2820 * c-decl.c (get_parm_info): Initialize pending_sizes.
2821 (get_parm_info): Set pending_sizes.
2822 (grokdeclarator): Call put_pending_sizes for parameters for
2823 function definition only.
2825 2006-09-07 Jason Merrill <jason@redhat.com>
2828 * varasm.c (output_constant): Only strip actual no-op conversions.
2831 * config/i386/i386.c (override_options): Use 128-bit
2832 stack boundary if -msse.
2834 2006-09-07 Eric Christopher <echristo@apple.com>
2836 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2838 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2841 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2843 * dwarf2out.c: Remove strange characters from comment above
2844 dwarf2out_frame_debug_expr.
2846 2006-09-07 Eric Christopher <echristo@apple.com>
2848 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2849 * config/darwin.h: ... to here.
2851 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2853 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2855 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2856 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2858 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2859 TARGET_PARTIAL_FLAG_REG_STALL.
2860 (*ashldi3_cconly_rex64): Likewise.
2861 (*ashlsi3_cmp): Likewise.
2862 (*ashlsi3_cconly): Likewise.
2863 (*ashlsi3_cmp_zext): Likewise.
2864 (*ashlhi3_cmp): Likewise.
2865 (*ashlhi3_cconly): Likewise.
2866 (*ashlqi3_cmp): Likewise.
2867 (*ashlqi3_cconly): Likewise.
2868 (*ashrdi3_cmp_rex64): Likewise.
2869 (*ashrdi3_cconly_rex64): Likewise.
2870 (*ashrsi3_cmp): Likewise.
2871 (*ashrsi3_cconly): Likewise.
2872 (*ashrsi3_cmp_zext): Likewise.
2873 (*ashrhi3_cmp): Likewise.
2874 (*ashrhi3_cconly): Likewise.
2875 (*ashrqi3_cmp): Likewise.
2876 (*ashrqi3_cconly): Likewise.
2877 (*lshrdi3_cmp_rex64): Likewise.
2878 (*lshrdi3_cconly_rex64): Likewise.
2879 (*lshrsi3_cmp): Likewise.
2880 (*lshrsi3_cconly): Likewise.
2881 (*lshrsi3_cmp_zext): Likewise.
2882 (*lshrhi3_cmp): Likewise.
2883 (*lshrhi3_cconly): Likewise.
2884 (*lshrqi2_cmp): Likewise.
2885 (*lshrqi2_cconly): Likewise.
2887 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2890 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2891 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2892 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2893 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2894 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2895 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2896 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2897 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2898 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2899 implement only CC setting effects of shift instructions.
2901 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2903 * doc/contrib.texi: Add myself.
2905 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2908 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2909 was set by the user.
2911 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2914 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2915 (divsi_inv_m1): Use them.
2916 (UNSPEC_DIV_INV_TABLE): New constant.
2918 2006-09-06 James E Wilson <wilson@specifix.com>
2921 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2922 then call count_or_remove_death_notes.
2924 2006-09-06 Jason Merrill <jason@redhat.com>
2927 * tree-inline.c (copy_result_decl_to_var): New fn.
2928 (declare_return_variable): Use it. Call declare_inline_vars here.
2929 (expand_call_inline): Not here.
2931 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2933 * doc/contrib.texi: Update my entry.
2935 2006-09-06 Nick Clifton <nickc@redhat.com>
2937 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2939 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2942 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2943 (canonicalize_induction_variables): Likewise.
2944 (tree_unroll_loops_completely): Likewise.
2945 (tree_ssa_prefetch_arrays): Likewise.
2946 (remove_empty_loops): Likewise.
2947 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2948 TODO_cleanup_cfg instead of directly calling
2949 cleanup_tree_cfg_loop.
2950 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2952 (tree_unroll_loops_completely): Likewise.
2953 (remove_empty_loops): Likewise.
2954 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2955 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2956 of tree_ssa_unswitch_loops.
2957 (tree_ssa_loop_ivcanon): Use the return value of
2958 canonicalize_induction_variables.
2959 (tree_ssa_empty_loop): Use the return value of
2961 (tree_complete_unroll): Use the return value of
2962 tree_unroll_loops_completely.
2963 (tree_ssa_loop_prefetch): Use the return value of
2964 tree_ssa_prefetch_arrays.
2965 * passes.c (execute_todo): Before Cleanup CFG, set
2966 updating_used_alone and after cleanup CFG, call
2967 recalculate_used_alone.
2969 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2972 * tree-vect-transform.c (vectorizable_condition): Move the check
2973 for the type after the check for simple condition.
2975 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2976 Kaz Kojima <kkojima@gcc.gnu.org>
2979 * mode-switching.c (optimize_mode_switching): Make the destination
2980 block of an abnormal edge have no anticipatable mode. Don't
2981 insert mode switching code at the end of the source block of
2984 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2986 PR rtl-optimization/26847
2987 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2988 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2989 (simplify_plus_minus): Count n_constants while filling ops. Replace
2990 qsort with insertion sort. Before going through the array to simplify
2991 pairs, sort it. Delay early exit until after the first sort, exiting
2992 only if no swaps occurred. Simplify pairs in reversed order, without
2993 special-casing the first iteration. Pack ops after simplifying pairs.
2995 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2997 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2998 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2999 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3000 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3002 2006-09-05 Richard Guenther <rguenther@suse.de>
3004 PR tree-optimization/28900
3005 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3006 compound conditional before creating COND_EXPR condition.
3008 2006-09-05 Richard Guenther <rguenther@suse.de>
3010 PR tree-optimization/28905
3011 * tree-vrp.c (fix_equivalence_set): Manually implement
3012 !value_ranges_intersect_p to also handle symbolic ranges.
3014 2006-09-05 Richard Guenther <rguenther@suse.de>
3017 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3020 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3022 PR rtl-optimization/27616
3023 * cse.c (table_size): New static variable.
3024 (new_basic_block): Initialize it to 0.
3025 (remove_from_table): Decrement it.
3026 (insert): Increment it.
3027 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3028 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3029 fold_rtx_mem_1 if under the cap.
3030 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3031 the lookup of the equivalent expression and test for equality of the
3032 first operand of the equivalent expression before in turn looking up
3033 an equivalent constant for the second operand.
3035 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3038 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3039 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3040 pointer, instead of assuming it is possible to derive the
3041 correct args size from a call insn.
3043 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3046 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3047 (fold_builtin_mempcpy): Rename to...
3048 (fold_builtin_memory_op): ... this. Optimize one element copy
3050 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3052 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3053 (expand_builtin_memcpy, expand_builtin_mempcpy,
3054 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3055 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3056 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3057 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3059 2006-09-01 DJ Delorie <dj@redhat.com>
3061 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3062 (stzx_16): Likewise.
3063 ("stzx_24_<mode>"): Likewise.
3064 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3065 ("cmp<mode>_op"): New.
3066 (cmp<mode>): Change to expander; just save operands.
3068 (b<code>): Change to expander, emit compare here.
3069 (s<code>_op): Change to use split and expander.
3070 (s<code>_24_op): Likewise.
3071 (s<code>_<mode>): New.
3072 (s<code>_<mode>_24): New.
3073 (movqicc_<code>_<mode): New.
3074 (movhicc_<code>_<mode>): New.
3077 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3078 (m32c_pend_compare): New.
3079 (m32c_unpend_compare): New.
3080 (m32c_expand_scc): New.
3081 (m32c_expand_movcc): Emit the compare also.
3082 * config/m32c/predicates.md (mra_nopp_operand): New.
3084 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3085 Richard Guenther <rguenther@suse.de>
3086 Adam Nemet <anemet@caviumnetworks.com>
3089 * builtins.c (get_pointer_alignment): Handle more forms
3090 of base addresses that can be used to derive more precise
3091 information about alignment.
3093 2006-09-01 Jason Merrill <jason@redhat.com>
3096 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3099 * gimplify.c (voidify_wrapper_expr): Handle null type.
3101 2006-09-01 Josh Conner <jconner@apple.com>
3104 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3105 (execute_return_slot_opt): Use it.
3107 2006-08-31 Josh Conner <jconner@apple.com>
3110 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3111 returning aggregates.
3113 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3115 PR tree-optimization/28839
3116 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3117 blocks in that phi arguments appear.
3119 2006-08-31 Roger Sayle <roger@eyesopen.com>
3122 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3123 NULL, otherwise use an advance_loc4 to adjust relative to the
3125 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3126 (dwarf2out_switch_text_section): Reset the current label to avoid
3127 using advance_loc4 over section boundaries.
3129 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3132 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3133 r12 + SYMBOLIC_CONST.
3135 2006-08-30 Richard Guenther <rguenther@suse.de>
3137 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3139 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3141 PR rtl-optimization/27735
3142 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3143 Add new argument to keep track of whether an irreducible region
3144 was affected. All callers changed.
3145 (fix_irreducible_loops): Removed.
3146 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3147 flags were invalidated.
3149 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3151 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3152 instead of SF operands.
3153 (*fop_df_comm_sse): Likewise.
3154 (*fop_df_comm_i387): Likewise.
3155 (*fop_df_1_mixed): Likewise.
3156 (*fop_df_1_sse): Likewise.
3158 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3159 J"orn Rennecke <joern.rennecke@st.com>
3161 PR tree-optimization/17506
3162 * tree-ssa.c (warn_uninit): If warning about a location outside of
3163 the current function, note where the variable was declared.
3165 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3167 PR tree-optimization/28411
3168 * double-int.c (double_int_div): Use double_int_divmod.
3169 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3170 double_int_mod, double_int_smod, double_int_umod): New functions.
3171 * double-int.h (double_int_divmod, double_int_sdivmod,
3172 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3174 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3176 (get_computation_aff, get_computation_cost_at): Handle double_int
3177 return type of constant_multiple_of.
3179 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3182 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3183 an implicit conversion.
3185 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3187 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3189 2006-08-27 Roger Sayle <roger@eyesopen.com>
3191 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3194 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3196 * config/i386/crtfastmath.c: Fix a comment typo.
3198 2006-08-26 Roger Sayle <roger@eyesopen.com>
3200 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3201 temporary visit flags on CASE_LABEL_EXPRs.
3202 * c-common.c (match_case_to_enum): Add function comment. Avoid
3203 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3204 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3205 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3206 a constant, only warn if that constant value isn't handled.
3208 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3211 * input.h (restore_input_file_stack): Declare.
3212 (INPUT_FILE_STACK_BITS): Define.
3213 * toplev.c (fs_p, input_file_stack_history,
3214 input_file_stack_restored, restore_input_file_stack): New.
3215 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3216 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3217 (pop_srcloc): Don't free old state of stack.
3219 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3222 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3223 (PowerPC Type Attributes): New.
3225 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3227 * config/xtensa/xtensa.c (function_arg_boundary): New.
3228 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3230 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3231 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3233 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3236 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3239 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3241 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3242 (verify_local_live_at_start): Likewise.
3244 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3247 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3248 omp_add_variable): Treat sizes as variable whenever not
3251 2006-08-26 Richard Guenther <rguenther@suse.de>
3254 * fold-const.c (fold_binary): Fold temporary to correct
3255 type before constructing new comparison.
3257 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3260 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3261 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3263 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3266 * c-decl.c (start_function): Don't try to process prototype
3267 information from old declaration that isn't a function.
3269 2006-08-25 Jan Hubicka <jh@suse.cz>
3272 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3274 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3277 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3280 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3282 PR tree-optimization/16876
3283 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3284 exit if PARM doesn't match VALUE.
3286 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3288 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3289 literal_prefix directive.
3290 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3291 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3292 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3294 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3297 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3298 predicate to general_operand. Add 0->y and I->r alternatives.
3300 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3302 * doc/tm.texi: Fix a typo.
3303 * predict.c: Fix comment typos.
3305 2006-08-25 Nick Clifton <nickc@redhat.com>
3307 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3308 assertions of "cpu" and "machine".
3310 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3313 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3314 the access through a base which has an alias set of 0 cannot
3317 2006-08-24 Bill Wendling <wendling@apple.com>
3319 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3321 2006-08-24 Jan Hubicka <jh@suse.cz>
3323 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3325 2006-08-24 Jan Hubicka <jh@suse.cz>
3328 * cgraph.c: Fix comments.
3329 (cgraph_varpool_mark_needed_node): Mark only variables not already
3331 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3332 (cgraph_varpool_assembled_nodes_queue): New static variable.
3333 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3334 (cgraph_varpool_output_debug_info): New function.
3335 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3336 * Makefile.in: Add gt-cgraphunit.h
3338 2006-08-24 Jan Hubicka <jh@suse.cz>
3340 * predict.c (probability_reliable_p): New predicate.
3341 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3342 (predict_loops): Do not predict loop exit with less than 2%
3344 * basic-block.h (edge_probability_reliable_p,
3345 br_prob_note_reliable_p): Declare.
3346 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3347 prediction when static predictor is not reliable.
3348 * rs6000.c (output_cbranch): Likewise.
3350 2006-08-23 Stuart Hastings <stuart@apple.com>
3353 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3354 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3356 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3359 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3360 complex values, nor for generic vector values.
3362 2006-08-22 Richard Guenther <rguenther@suse.de>
3365 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3366 parameter. Convert arguments to arithmetic expression to the
3368 (analyze_scalar_evolution_1): Adjust caller.
3370 2006-08-22 Jan Hubicka <jh@suse.cz>
3372 Patch by Paolo Bonzini
3373 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3376 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3378 PR tree-optimization/28003
3379 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3380 before grouping aliases.
3382 2006-08-22 Roger Sayle <roger@eyesopen.com>
3384 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3385 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3387 2006-08-21 Jason Merrill <jason@redhat.com>
3390 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3391 wrapper. Loop to handle nested wrappers.
3392 (gimplify_bind_expr): Remove temp parameter.
3393 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3394 and STATEMENT_LIST on the rhs.
3395 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3396 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3397 (gimplify_target_expr): Remove special BIND_EXPR handling.
3399 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3401 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3404 2006-08-21 Olivier Hainque <hainque@adacore.com>
3406 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3407 Arrange for the temporary captures of components overlapping the lhs
3408 to happen before the lhs is possibly cleared.
3410 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3412 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3413 necessary places to pass the correct "number of registers" values
3416 2006-08-20 Jan Hubicka <jh@suse.cz>
3418 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3419 (create_name_tags): Instead of quadratic checking use hashtable.
3420 * bitmap.h: Include hashtab.h.
3421 (bitmap_hash): Declare.
3422 * bitmap.c (bitmap_hash): New function.
3424 2006-08-20 Jan Hubicka <jh@suse.cz>
3426 PR rtl-optimization/28071
3427 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3429 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3430 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3431 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3432 cgraph_decide_inlining_incrementally): Update use of
3433 cgraph_check_inline_limits.
3434 * cgraph.c (edge_hash, edge_eq): New function.
3435 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3436 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3437 cgraph_remove_node): Maintain call site hash.
3438 * cgraph.h (struct cgraph_node): Add call_site_hash.
3439 (cgraph_set_call_stmt): New function.
3441 2006-08-20 Jan Hubicka <jh@suse.cz>
3443 PR rtl-optimization/28071
3444 * reload1.c (reg_has_output_reload): Turn into regset.
3445 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3446 choose_reload_regs, emit_reload_insns): Update to new
3447 reg_has_output_reload.
3449 2006-08-20 Jan Hubicka <jh@suse.cz>
3452 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3453 function body sizes.
3454 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3456 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3459 * tree.c (handle_dll_attribute): Return early if not a
3460 var or function decl.
3462 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3465 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3466 alignment of SPE vector types.
3468 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3470 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3472 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3475 * cgraph.h (struct cgraph_node): Remove externally_visible
3477 * cgraphunit.c (process_function_and_variable_attributes): Set
3478 local.externally_visible rather than externally_visible.
3481 * c-common.c (handle_externally_visible_attribute): First look
3482 at TREE_CODE and only if it is function or var decl, check for
3483 non-public objects. Don't warn for DECL_EXTERNAL.
3484 * cgraphunit.c (process_function_and_variable_attributes): Warn
3485 if externally_visible attribute is used on non-public object.
3487 2006-08-17 Jan Hubicka <jh@suse.cz>
3489 PR tree-optimization/27865
3490 * reload1.c (forget_marked_reloads): New function.
3491 (forget_old_reloads_1): When data are passed, just mark the registers
3493 (reload_as_needed): Use the new mechanizm.
3495 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3498 * reload.h (reg_equiv_alt_mem_list): New declaration.
3499 * reload1.c (reg_equiv_alt_mem_list): New definition.
3500 (reload): Initialize it and release it.
3501 (delete_output_reload): Use it.
3502 * reload.c (push_reg_equiv_alt_mem): New function.
3503 (find_reloads_toplev): Call it.
3504 (find_reloads_address, find_reloads_address_1): Likewise.
3505 (find_reloads_subreg_address): Likewise.
3507 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3509 PR rtl-optimization/28489
3510 * sched-ebb.c (begin_schedule_ready): Create basic block
3512 (advance_target_bb): Skip empty blocks.
3513 * haifa-sched.c (bb_note): Make global.
3514 * sched-int.h (bb_note): Add prototype.
3516 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3518 PR tree-optimization/27865
3519 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3521 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3522 fold_used_pointer, pointer_used_p): New functions.
3523 (analyze_scalar_evolution_1): Use fold_used_pointer.
3524 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3525 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3528 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3531 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3532 or the INTEGER_CST. Fail on a CALL_EXPR.
3533 (fold_offsetof): Pass new argument to fold_offsetof_1.
3534 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3535 operand into an INDIRECT_REF.
3536 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3538 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3540 PR gcov/profile/26570
3541 * value-prof.c (static_values): Removed.
3542 (tree_find_values_to_profile): Do not set static_values.
3543 (find_values_to_profile): Do not free static_values.
3544 * profile.c (instrument_values): Do not free the values.
3545 (branch_prob): Free the values.
3547 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3549 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3551 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3554 * c-typeck.c (build_component_ref): Combine qualifiers of
3555 structure or union and field.
3557 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3559 PR rtl-optimization/28071
3560 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3561 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3562 * tree-into-ssa.c (struct dom_dfsnum): New.
3563 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3565 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3566 compute_global_livein.
3567 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3568 in phi nodes in the correct blocks.
3570 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3572 PR tree-optimization/28364
3573 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3575 (fold_affine_expr): New function.
3576 (may_eliminate_iv): Use fold_affine_expr.
3578 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3581 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3584 2006-08-16 Mike Stump <mrs@apple.com>
3586 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3587 * doc/cppopts.texi (-MD): Likewise.
3589 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3592 * c-common.c (handle_weak_attribute): Ignore and warn if
3593 not a FUNCTION_ or VAR_DECL.
3595 2006-07-15 Mike Stump <mrs@apple.com>
3598 * c-parser.c (c_parser_typeof_specifier): Don't use
3599 c_finish_expr_stmt, open code desired semantics instead.
3601 2006-08-15 Nick Clifton <nickc@redhat.com>
3603 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3604 fragment to tmake_file only if threads are enabled.
3605 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3606 * config/i386/t-gthr-win32: New file. ... here.
3608 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3611 * c-parser.c (c_parser_compound_statement_nostart): Reset
3612 parser->error after each statement.
3614 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3617 * omp-low.c (lower_omp_parallel): Convert t to
3618 receiver_decl's type.
3619 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3620 source before comparison.
3623 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3624 to itype in assignment to oldival2.
3626 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3630 * c-typeck.c (build_compound_expr): If the second expression
3631 is an error mark, then just return an error mark instead of
3632 creating a COMPOUND_EXPR.
3634 2006-07-14 Mike Stump <mrs@apple.com>
3636 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3638 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3640 * c-decl.c, var-tracking.c: Fix comment typos.
3642 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3644 PR rtl-optimization/28634
3645 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3646 for floating-point modes unless flag_unsafe_math_optimizations.
3648 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3649 Andrew Pinski <pinskia@physics.uc.edu>
3652 * tree.c (build_array_type): Unify array types with
3653 unspecified index_type.
3654 * c-decl.c (grokdeclarator): Make sure we do not modify a
3655 unified incomplete array type.
3656 * c-typeck.c (store_init_value): Create distinct type before
3657 filling in the index type in an initializer from a compound
3660 * c-decl.c (grokdeclarator): Remove code where we copy the
3663 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3665 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3666 into account for TODO_dump_cgraph.
3667 (TODO_update_ssa_no_phi): Likewise.
3668 (TODO_update_ssa_full_phi): Likewise.
3669 (TODO_update_ssa_only_virtuals): Likewise.
3670 (TODO_remove_unused_locals): Likewise.
3671 (TODO_set_props): Likewise.
3672 (TODO_update_stmt_usage): Likewise.
3674 2006-08-13 Dirk Mueller <dmueller@suse.de>
3676 * c-common.c (strict_aliasing_warning): Fix formatting.
3678 2006-08-13 Matthias Klose <doko@debian.org>
3680 * doc/invoke.texi: Fix spelling errors.
3682 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3684 PR rtl-optimization/23454
3685 * reorg.c (relax_delay_slots): Update comment.
3687 2006-08-11 Richard Guenther <rguenther@suse.de>
3690 * simplify-rtx.c (simplify_const_relational_operation):
3691 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3694 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3696 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3697 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3699 2006-08-10 Paul Brook <paul@codesourcery.com>
3701 * final.c (final_scan_insn): Clear current_insn_predicate before
3702 outputting inline asm.
3704 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3706 PR tree-optimization/26197
3707 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3708 get_ref_base_and_extent and overlap_subvar to add only relevant
3709 subvars as may-aliases.
3710 (add_may_alias_for_new_tag): New function, factored out of
3712 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3713 with additional argument.
3714 * tree-flow.h (new_type_alias): Takes additional argument.
3716 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3718 * gcov.c (no_data_file): New flag.
3719 (read_count_file): Set it if data file not present. Assume counts
3721 (output_lines): Don't name the data file, if there wasn't one.
3723 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3725 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3726 (rs6000_generate_compare): Tweak comments.
3727 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3729 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3731 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3732 (var_debug_decl): New function.
3733 (var_reg_set): Follow debug decl link. Add location even if
3734 reg is already known to hold some other variable.
3735 (var_mem_set): Follow debug decl link.
3736 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3737 decl link. Delete other known locations of the variable part
3739 (var_reg_delete, var_mem_delete): Delete other known locations
3740 of the variable part if requested.
3741 (same_variable_part_p): New function.
3742 (add_stores): Select MO_COPY when appropriate.
3743 (vt_initialize): Handle it.
3744 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3745 known locations for MO_SET and MO_CLOBBER.
3746 (find_variable_location_part): New function.
3747 (set_variable_part, delete_variable_part): Use it.
3748 (clobber_variable_part): New function.
3749 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3752 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3754 PR tree-optimization/26969
3755 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3756 with an empty list of PHIs.
3758 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3762 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3765 2006-08-06 Andreas Schwab <schwab@suse.de>
3767 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3768 string. Whitespace and comment fixup.
3770 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3773 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3777 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3780 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3782 2006-08-04 Jan Hubicka <jh@suse.cz>
3786 * reload.c (push_reload): Patch out the mismatching instruction;
3788 (find_reload): Bail out if the instruction was patched out.
3790 2006-08-04 Jan Hubicka <jh@suse.cz>
3792 PR tree-optimization/24888
3793 * tree-inline.c (expand_call_inline): Do not re-record variables.
3794 (declare_inline_vars): Add variable to unexpanded_var_list.
3796 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3797 Roger Sayle <roger@eyesopen.com>
3799 PR rtl-optimization/26244
3800 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3801 inner_const are negative or greater than or equal to the bitsize of
3802 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3803 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3804 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3805 CONST0_RTX (mode) when the new shift count is greater than or equal to
3806 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3809 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3811 * tree-cfg.c: Fix a comment typo.
3813 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3816 * varasm.c (output_constant): Give the front end another chance to
3817 expand constants, after stripping NOPs.
3819 2006-08-03 Jan Hubicka <jh@suse.cz>
3821 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3824 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3826 PR tree-optimization/27770
3827 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3828 declaration removed (moved to tree-flow.h).
3829 (vect_can_force_dr_alignment_p): Likewise.
3830 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3831 (moved from tree-vectorizer.h).
3832 (vect_can_force_dr_alignment_p): Likewise.
3833 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3834 from outside the vectorizer - in particular from cgraph stage.
3835 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3836 the alignment of global arrays when -fsection-anchors is enabled.
3837 * cgraphunit.c (cgraph_increase_alignment): New function.
3838 (cgraph_optimize): Call cgraph_increase_alignment.
3840 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3843 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3844 not reload a SPE symbol_ref into a lo_sum address.
3846 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3849 * dwarf2out.c (prune_unused_types_prune): Move call to
3850 prune_unused_types_update_strings to cover the parent DIE also.
3852 2006-08-02 Jan Hubicka <jh@suse.cz>
3854 PR gcov/profile/28480
3855 * tree-cfg.c (change_bb_for_stmt): New function.
3856 (tree_merge_blocks, tree_split_blocks): Use it.
3858 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3864 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3865 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3866 (cgraph_optimize): Likewise.
3868 2006-08-01 Stuart Hastings <stuart@apple.com>
3870 * rtl.h (UINTVAL) New.
3871 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3872 * testsuite/gcc.dg/20060801-1.c: New.
3874 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3877 * c-typeck.c (build_external_type): Mark used enum types.
3878 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3880 (gen_subprogram_die): Whitespace fix.
3882 2006-08-01 Jan Hubicka <jh@suse.cz>
3884 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3885 bitmap when not needed.
3886 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3889 2006-08-01 Dirk Mueller <dmueller@suse.de>
3891 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3893 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3895 * Makefile.in: Revert part of previous patch:
3896 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3899 2006-07-30 Eric Christopher <echristo@apple.com>
3902 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3903 (PowerPC Variable Attributes): New section.
3905 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3907 PR target/28126 (partial fix)
3908 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3910 2006-07-28 Jan Hubicka <jh@suse.cz>
3912 PR rtl-optimization/28071
3913 * cfgrtl.c (rtl_delete_block): Free regsets.
3914 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3916 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3918 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3919 and variables used in dependencies.
3921 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3923 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3924 %fs for -mcmodel=kernel.
3925 (stack_tls_protect_test_di): Likewise.
3927 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3929 * Makefile.in: Use mkinstalldirs.
3931 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3934 * opts-common.c (prune_options): Skip joined switches.
3936 2006-07-27 Jan Hubicka <jh@suse.cz>
3938 PR rtl-optimization/28071
3939 * cselib.c (cselib_process_insn): Don't remove useless values too
3940 often for very large hashtables.
3942 2006-07-27 Jan Hubicka <jh@suse.cz>
3944 PR rtl-optimization/28071
3945 * global.c (greg_obstack): New obstack.
3946 (allocate_bb_info): Use it.
3947 (free_bb_info): Likewise.
3948 (modify_reg_pav): Likewise.
3950 2006-07-27 Roger Sayle <roger@eyesopen.com>
3952 * builtins.c (fold_fixed_mathfn): When long and long long are the
3953 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3954 functions to their lceil*, lfloor*, lround* and lrint* forms.
3956 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3959 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3961 (rev_branch_insn): Likewise.
3963 2006-07-27 Jan Hubicka <jh@suse.cz>
3965 PR rtl-optimization/28071
3966 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3967 (reg_set_in_bb, max_reg_computed): New static variables.
3968 (regmove_optimize): Free the new array.
3969 (fixup_match_1): Update call of reg_is_remote_constant_p.
3971 2006-07-26 Jan Hubicka <jh@suse.cz>
3973 PR tree-optimization/27882
3974 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3976 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3978 (cgraph_analyze_compilation_unit): Likewise.
3979 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3980 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3981 (cgraph_early_inlinine): Make order garbage collected.
3982 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3984 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3986 * dbxout.c (output_types_sort): Add a comment.
3987 (output_used_types): Free the VEC.
3989 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3991 * function.c (reorder_fix_fragments): Delete.
3992 (reorder_blocks): Don't call it.
3993 (reorder_blocks_1): Put all subblocks under the origin block.
3995 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3997 PR rtl-optimization/27907
3998 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4001 2006-07-25 Roger Sayle <roger@eyesopen.com>
4004 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4005 bar(x) check that bar's result type can represent all the values of T.
4007 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4009 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4011 2006-07-25 Nick Clifton <nickc@redhat.com>
4013 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4014 size_lookup[] array.
4015 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4016 (ggc_pch_count_object): Likewise.
4017 (ggc_pch_alloc_object): Likewise.
4018 (ggc_pch_write_object): Likewise.
4019 (init_ggc): Do not attempt to initialize entries in the
4020 size_lookup[] array for objects whose size is greater than than
4021 the length of the array.
4023 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4025 * dbxout.c (output_used_types_helper): Push queued types
4027 (output_types_sort): New.
4028 (output_used_types): Collect used types on a VEC and sort them
4031 2006-07-24 Richard Guenther <rguenther@suse.de>
4034 * cgraph.c (cgraph_remove_node): Do not check if dumps
4036 * cgraphunit.c (cgraph_optimize): Likewise.
4038 2006-07-24 Jan Hubicka <jh@suse.cz>
4040 PR rtl-optimization/28071
4041 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4042 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4043 splitting before first stmt.
4045 2006-07-24 Jan Hubicka <jh@suse.cz>
4047 PR rtl-optimization/28071
4048 * ipa-inline.c (update_caller_keys): Remove edges that
4049 are no longer inline candidates.
4051 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4054 * dbxout.c (output_used_types_helper, output_used_types): New.
4055 (dbxout_symbol): Call output_used_types.
4057 2006-07-23 Jan Hubicka <jh@suse.cz>
4061 * cgraph.c (cgraph_varpool_nodes): Export.
4062 (decide_is_variable_needed): Ignored "used" attribute in
4063 unit-at-a-time mode.
4064 * cgraph.h (cgraph_varpool_nodes): Declare.
4065 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4066 unit-at-a-time mode.
4068 2006-07-23 Roger Sayle <roger@eyesopen.com>
4071 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4072 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4073 the __gthrw form of thr_keycreate.
4074 (__gthread_key_delete): Silence the unused argument warning.
4076 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4079 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4080 Cache the last found '\0' marker to avoid quadratic behavior.
4082 2006-07-23 Jan Hubicka <jh@suse.cz>
4084 * i386.md (subsi_3_zext): Fix output template.
4086 2006-07-21 Mike Stump <mrs@apple.com>
4088 * doc/invoke.texi (C++ Dialect Options): Note that
4089 -fvisibility-inlines-hidden doesn't affect explicitly
4090 instantiationed inline methods.
4092 2006-07-20 Roger Sayle <roger@eyesopen.com>
4094 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4095 if the target assembler is GNU binutils' gas.
4096 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4097 whether to pass GNU gas or native as command line options.
4099 2006-07-20 Jason Merrill <jason@redhat.com>
4101 * tree.c (remove_attribute): New fn.
4102 * tree.h: Declare it.
4104 2006-07-20 Paul Brook <paul@codesourcery.com>
4107 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4108 they are invalidated by this instruction.
4110 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4113 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4115 2006-07-20 Eric Christopher <echristo@apple.com>
4118 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4120 2006-07-19 Eric Christopher <echristo@apple.com>
4122 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4123 Rewrite dependencies for libgcc_s.1.dylib.
4125 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4127 * except.c (duplicate_eh_regions_1): Clear next_peer.
4129 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4131 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4132 -mlongcall does not guarantee all calls will be long.
4133 * doc/extend.texi (long_call/short_call): Document that longcall
4134 does not guarantee a long call will be used.
4135 (longcall/shortcall): Likewise.
4137 2006-07-18 Roger Sayle <roger@eyesopen.com>
4140 * expmed.c (expand_shift): Additionally check that the shift_cost
4141 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4142 before implementing a LSHIFT_EXPR as a sequence of additions.
4143 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4144 middle-end that DImode shifts need to be synthesized by expand.
4146 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4149 * tree-ssa-operands.c (access_can_touch_variable): Update
4151 Return true if ALIAS is .GLOBAL_VAR.
4153 2006-07-18 David Daney <ddaney@avtrex.com>
4155 * gcc.c (display_help): Fix typo in help text.
4157 2006-07-18 Olivier Hainque <hainque@adacore.com>
4159 * tree.h (categorize_ctor_elements): Adjust prototype and add
4160 descriptive comment, both in accordance with the interface change
4162 * varasm.c (constructor_static_from_elts_p): New function.
4163 Whether a constructor node is a valid static constant initializer
4164 if all its elements are.
4165 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4166 * output.h: Declare it.
4167 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4168 is a valid constant initializer instead of computing the number of
4169 non-constant elements. Use constructor_static_from_elts_p for this
4170 purpose. Replace the head comment with an indication that this is a
4171 helper for categorize_ctor_elements.
4172 (categorize_ctor_elements): Same interface change as for the _1
4173 helper. Former head comment from this helper moved here, adjusted to
4174 account for the interface changes.
4175 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4176 (all_zeros_p): Likewise.
4177 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4178 static versions of the constructor from the categorize_ctor_elements
4179 return value instead of the formerly computed number of non-constant
4182 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4184 * configure: Regenerate.
4185 * Makefile.in (build_libsubdir): New configure substitution
4186 (build_libobjdir): New variable.
4187 (BUILD_LIBIBERTY): Use it.
4189 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4192 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4194 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4197 * c-common.c (handle_weakref_attribute): Ignore attribute in
4198 the same conditions the alias attribute is ignored.
4200 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4202 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4203 (dbxout_begin_prologue): Increment scope_labelno.
4205 2006-07-17 Richard Henderson <rth@redhat.com>
4208 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4211 2006-07-17 Roger Sayle <roger@eyesopen.com>
4212 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4214 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4215 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4216 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4217 functions such as sbrk, write, etc.. Add function prototypes.
4218 Convert function declarations from K&R to ISO C. Cast pointers
4219 to "long" and "unsigned long" instead of "int" and "unsigned int".
4220 Convert tokens following #endif into comments.
4222 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4224 * invoke.texi: Remove mention of f77; Reformat table for
4225 inline parameter options correctly; mention that -malign-double
4226 is default on x86-64 targets.
4228 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4230 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4231 (convert_affine_scev, chrec_convert_aggressive): Use
4232 avoid_arithmetics_in_type_p. Do not check for the subtypes
4235 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4238 * optabs.c (expand_doubleword_shift): Wrap the call to
4239 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4241 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4244 * optabs.c (expand_binop): Pass next_methods rather than methods
4245 to expand_doubleword_shift.
4247 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4250 * tree.h (dump_addr): Declare.
4251 * print-tree.c (dump_addr): New function.
4252 (print_node_brief, print_node): Use it.
4253 * print-rtl.c (print_rtx): Likewise.
4254 * common.opt (-fdump-noaddr): New option.
4255 * doc/invoke.texi (-fdump-noaddr): Document.
4256 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4257 (ve_info_hash): Likewise.
4259 2006-07-13 Andrew Haley <aph@redhat.com>
4261 PR tree-optimization/19505
4262 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4263 edge leaving this block, make sure that the destination of this
4264 block has only one predecessor.
4266 2006-07-17 Richard Guenther <rguenther@suse.de>
4268 PR tree-optimization/28238
4269 * tree-inline.c (copy_bb): Check if we produced valid
4270 gimple copying and substituting a stmt. If not, gimplify
4273 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4275 * optabs.c (maybe_encapsulate_block): New function extracted from...
4276 (emit_libcall_block): ...here. Invoke it on the block of insns to
4277 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4278 (emit_no_conflict_block): Likewise.
4280 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4282 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4284 2006-07-15 Roger Sayle <roger@eyesopen.com>
4286 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4287 a new NOP_EXPR case of the switch statement.
4289 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4292 * stor-layout.c (place_field): Take the bit field with
4293 an excessive size into account in the ms-bitfiled case.
4296 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4297 the previous bit field.
4299 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4302 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4304 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4306 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4307 signal frames correctly even when the signal was installed with
4310 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4312 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4313 (dbxout_function_end): Use local label LFBB. Remove hook
4315 (dbxout_source_line): Use local label LFBB.
4316 (dbxout_block): Likewise.
4317 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4318 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4319 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4320 and DBX_OUTPUT_NFUN.
4322 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4324 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4326 2006-07-13 Jan Hubicka <jh@suse.cz>
4328 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4330 * output.h (align_variable): Declare.
4331 * varasm.c (align_variable): Export.
4332 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4333 when basic block changed.
4335 2006-07-13 Nick Clifton <nickc@redhat.com>
4337 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4338 walking the LOG_LINKS chain.
4340 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4342 * doc/invoke.texi (C++ Dialect Options): Explain difference
4343 between -fvisibility-inlines-hidden and setting hidden
4344 visibility explicitly.
4346 2006-07-12 Eric Christopher <echristo@apple.com>
4348 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4349 (stmp-lipo): Depend on libgcc.a.
4351 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4353 * tree.c: Fix a comment typo.
4355 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4357 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4359 (umulhisi3_r): Likewise.
4361 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4364 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4365 x < 19, vs wchar_t support.
4367 2006-07-12 Nick Clifton <nickc@redhat.com>
4369 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4370 instead of -isa=sh4.
4372 2006-07-12 Mike Stump <mrs@apple.com>
4374 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4376 2006-07-10 Eric Christopher <echristo@apple.com>
4378 * config/t-slibgcc-darwin: Rewrite.
4380 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4383 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4386 2006-07-08 Matthias Klose <doko@debian.org>
4388 * doc/sourcebuild.texi: Fix typo.
4390 2006-07-07 Mike Stump <mrs@apple.com>
4392 * toplev.c (process_options): Don't give -ffunction-sections may
4393 affect debugging warning for Mach-O.
4395 2006-07-07 James E Wilson <wilson@specifix.com>
4397 * config/mips/mips.md (cpu): Add sb1a.
4398 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4399 addition to sb1. Adjust comments to clarify SB-1A differences from
4401 (ir_sb1a_load): New. Modify bypasses to use it.
4402 (ir_sb1a_simple_alu): Likewise.
4403 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4404 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4405 (mips_issue_rate): Add PROCESSOR_SB1A.
4406 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4407 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4408 (TARGET_SB1): Add PROCESSOR_SB1A check.
4409 (TUNE_SB1): Likewise.
4411 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4412 * config/mips/mips.c (mips_store_data_bypass_p): New.
4413 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4414 store_data_bypass_p.
4416 2006-07-08 Paul Brook <paul@codesourcery.com>
4419 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4421 2006-07-07 Richard Guenther <rguenther@suse.de>
4424 * tree.h (build_one_cst): Declare.
4425 * tree.c (build_one_cst): New function.
4426 * tree-ssa-math-opts.c (get_constant_one): Remove.
4427 (insert_reciprocals): Use build_one_cst.
4428 * fold-const.c (fold_plusminus_mult): Likewise.
4430 2006-07-07 Roger Sayle <roger@eyesopen.com>
4432 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4433 * cfgloopanal.c (dump_graph): Likewise.
4434 * dojump.c (discard_pending_stack_adjust): Likewise.
4435 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4437 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4438 * function.c (finalize_block_changes): Likewise.
4439 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4440 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4441 * rtl.c (dump_rtx_statistics): Likewise.
4442 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4444 * varray.c (dump_varray_statistics): Likewise.
4445 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4446 decode_decimal64, encode_decimal128, decode_decimal128,
4447 decimal_real_to_decimal): Likewise.
4449 2006-07-07 Richard Guenther <rguenther@suse.de>
4451 PR tree-optimization/28187
4452 * tree-vrp.c (vrp_operand_equal_p): New function.
4453 (vrp_bitmap_equal_p): Likewise.
4454 (update_value_range): Use them to compare old and new
4457 2006-07-06 Roger Sayle <roger@eyesopen.com>
4459 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4460 a default case to switch statement to silence compiler warnings.
4462 2006-07-06 Roger Sayle <roger@eyesopen.com>
4465 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4466 the configured assembler supports the x87's ffreep mnemonic.
4467 * configure: Regenerate.
4468 * config.in: Regenerate.
4470 * config/i386/i386.c (output_387_ffreep): New function.
4471 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4472 (output_387_reg_move): Likewise.
4474 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4476 Port to hosts whose 'sort' and 'tail' implementations
4477 treat operands with leading '+' as file names, as POSIX
4478 has required since 2001. However, make sure the code still
4479 works on pre-POSIX hosts.
4480 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4481 which says you should use "tail -c +N" rather than "tail +Nc".
4482 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4484 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4486 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4489 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4492 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4493 PRE_{INC,DEC} of TFmode.
4495 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4496 Alan Modra <amodra@bigpond.net.au>
4499 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4502 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4505 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4506 Remove duplicate gtu.
4508 2006-07-05 Jason Merrill <jason@redhat.com>
4512 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4513 * c-common.c (handle_packed_attribute): So don't copy it here.
4514 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4516 2006-07-05 Mike Stump <mrs@apple.com>
4518 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4520 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4523 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4525 2006-07-05 Richard Guenther <rguenther@suse.de>
4528 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4529 TARGET_SSE2 targets if using SSE math.
4530 (*absdf2_1): Likewise.
4532 2006-07-05 Richard Guenther <rguenther@suse.de>
4534 PR tree-optimization/28162
4535 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4536 make sure to convert the operands to the correct type.
4538 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4540 PR tree-optimization/28218
4542 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4543 to calculate and free the dominator information.
4545 2006-07-04 Peter O'Gorman <peter@pogma.com>
4547 * mklibgcc.in: chmod 644 before ranlib during install.
4549 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4550 J"orn Rennecke <joern.rennecke@st.com>
4552 * configure.ac (.eh_frame data check): Use diff -b.
4554 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4557 * Makefile.in (BUILD_RTL): Add build/vec.o.
4558 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4559 (build/genextract): Delete.
4560 (build/genautomata): Likewise.
4562 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4565 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4566 128-bit IBM long doubles for ABI_V4.
4568 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4570 * tree.c (range_in_array_bounds_p): New predicate.
4571 * tree.h (range_in_array_bounds_p): Declare it.
4572 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4573 return a less conservative answer.
4574 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4575 and flag 'is_group'.
4576 (IS_ELEMENT_FOR_GROUP): New macro.
4577 (FOR_EACH_ACTUAL_CHILD): Likewise.
4578 (next_child_for_group): New helper function.
4579 (can_completely_scalarize_p): Take into account groups.
4580 (sra_hash_tree): Handle RANGE_EXPR.
4581 (sra_elt_eq): Likewise.
4582 (lookup_element): Be prepared for handling groups.
4583 (is_valid_const_index): Delete.
4584 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4585 instead of is_valid_const_index.
4586 <ARRAY_RANGE_REF>: New case.
4587 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4588 is_valid_const_index.
4589 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4590 (scan_dump): Dump info for groups too.
4591 (decide_instantiation_1): Likewise.
4592 (decide_block_copy): Assert that the element is not a group.
4593 Propagate decision to groups.
4594 (generate_one_element_ref): Handle RANGE_EXPR.
4595 (mark_no_warning): Iterate over actual childs.
4596 (generate_copy_inout): Likewise.
4597 (generate_element_copy): Likewise.
4598 (generate_element_zero): Likewise.
4599 (generate_element_init_1): Likewise.
4600 (dump_sra_elt_name): Handle RANGE_EXPR.
4602 2006-07-03 Roger Sayle <roger@eyesopen.com>
4604 PR tree-optimization/26251
4605 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4606 (thread_block): When optimizing for size refuse to thread jumps
4607 that would require duplication of blocks other than redirection
4610 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4612 * configure.ac: Fix thinko in previous check-in.
4613 * configure: Regenerate.
4615 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4618 * configure.ac (for lang...): Simplify nesting of conditionals.
4619 Test subdir_requires for non-enabled languages. Move processing
4620 of lang_opt_files and lang_tree_fiels below that test.
4621 * configure: Regenerate.
4622 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4624 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4626 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4628 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4630 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4633 2006-06-29 Jason Merrill <jason@redhat.com>
4640 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4641 * c-common.c (c_determine_visibility): Handle it here.
4642 * c-decl.c (finish_decl): Call c_determine_visibility for
4644 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4646 * varasm.c (default_assemble_visibility): Likewise.
4647 * c-common.c (handle_visibility_attribute): Complain about trying
4648 to give visibility to an already defined class, or trying to change
4649 declared visibility. Always attach the attribute.
4654 * attribs.c (decl_attributes): Ignore type-in-place attributes
4655 once the type has been defined.
4657 2006-06-29 Roger Sayle <roger@eyesopen.com>
4660 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4661 to indicate the cpplib has issued an error message for us.
4663 2006-06-29 Asher Langton <langton2@llnl.gov>
4666 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4667 insert a label at the end of an function under Mach-O.
4669 2006-06-29 Eric Christopher <echristo@apple.com>
4670 Evan Cheng <evan.cheng@apple.com>
4672 * predicates.md (vector_all_ones_operand): New.
4673 (nonimmediate_or_sse_const_operand): Ditto.
4674 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4675 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4676 (standard_sse_mode_p): Ditto.
4677 (standard_sse_constant_p): Add case for -1 vector.
4678 (ix86_expand_vector_move): Try to use.
4679 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4680 Call standard_sse_constant_opcode.
4681 (*movv4sf_internal): Ditto.
4682 (*movv2df_internal): Ditto.
4684 2006-06-29 Roger Sayle <roger@eyesopen.com>
4686 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4687 of XEXP to extract the operands of a MATCH_CODE rtx.
4689 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4691 * tree.c (tree_size): Do not waste tail padding in
4692 struct tree_string and make the size be the same as
4693 build_string will generate.
4695 2006-06-28 Jason Merrill <jason@redhat.com>
4698 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4699 may_aliases already in the tag's annotations to the bitmap.
4701 2006-06-28 Roger Sayle <roger@eyesopen.com>
4703 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4705 2006-06-28 Roger Sayle <roger@eyesopen.com>
4707 * genpreds.c (generate_switch_p): New function.
4708 (add_mode_tests): Push the new mode test down inside an AND expr
4709 if this allows the switch-suitable MATCH_CODE to be near the root.
4710 (write_match_code_switch): New function to write a MATCH_CODE as
4712 (write_predicate_stmts): New function to write a predicate RTX
4713 expression as a sequence of statements.
4714 (write_one_predicate_function): Use write_predicate_stmts.
4715 (write_tm_constrs_h): Likewise.
4717 2006-06-26 Fred Fish <fnf@specifix.com>
4719 * config/mips/t-sb1: New file.
4720 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4723 2006-06-26 DJ Delorie <dj@redhat.com>
4725 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4727 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4728 Jayant Sonar <jayants@kpitcummins.com>
4729 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4731 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4732 (subsi3, subsi3_1, subsi3_2): New.
4733 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4734 * config/m32c/mov.md (SI mov peephole): New.
4735 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4736 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4738 2006-06-26 Olivier Hainque <hainque@adacore.com>
4740 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4741 a CALL_EXPR target function declaration.
4743 2006-06-26 Richard Guenther <rguenther@suse.de>
4745 * tree.c (build_string): Do not waste tail padding in
4748 2006-06-26 Richard Guenther <rguenther@suse.de>
4750 * ggc-page.c (init_ggc): Add missing element to size_lookup
4754 2006-06-23 Richard Guenther <rguenther@suse.de>
4756 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4757 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4758 alignment requests instead. Add verification code.
4759 Add struct tree_function_decl and struct tree_binfo size to
4760 extra_order_size_table. Add missing element to size_lookup
4763 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4766 * fold-const.c (const_binop): Be prepared for self returning zero.
4767 Simplify code handling complex values.
4769 2006-06-24 Olivier Hainque <hainque@adacore.com>
4771 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4772 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4775 2006-06-24 Olivier Hainque <hainque@adacore.com>
4777 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4778 ARRAY_REF, so have the callback called for the low bound expression.
4780 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4782 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4783 * c-typeck.c (c_common_type): Disallow operations on decimal float
4784 types and other float types.
4785 * convert.c (convert_to_real): Don't ignore conversions involving
4786 decimal float types.
4788 2006-06-23 Olivier Hainque <hainque@adacore.com>
4790 * tree.c (max_int_size_in_bytes): New function, inspired from
4791 code in function.c:assign_temp.
4792 * tree.h (max_int_size_in_bytes): Declare.
4793 * function.c (assign_temp): Use it.
4794 * gimplify.c (create_tmp_var): Relax the assertions on the type
4795 properties, not mandating constant size any more.
4796 (force_constant_size): New static function.
4797 (gimple_add_tmp_var): Use it, forcing variable size to a
4798 constant upper bound if it is not constant on entry.
4800 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4803 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4804 for initialization and setting of one_only flag to ...
4805 (i386_pe_encode_section_info): ...here.
4806 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4807 Recheck that the symbol has not been defined.
4809 2006-06-23 Richard Guenther <rguenther@suse.de>
4811 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4812 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4813 alignment requests instead. Add verification code.
4814 Add struct tree_function_decl and struct tree_binfo size to
4815 extra_order_size_table. Add missing element to size_lookup
4818 2006-06-22 Roger Sayle <roger@eyesopen.com>
4819 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4822 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4823 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4825 2006-06-23 Ben Elliston <bje@au.ibm.com>
4827 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4828 negate dn -- manipulate it directly.
4830 2006-06-22 Roger Sayle <roger@eyesopen.com>
4831 Steven Bosscher <stevenb.gcc@gmail.com>
4834 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4835 generated by gen_move_insn to add REG_LABEL notes if necessary.
4837 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4839 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4840 (leaf_entry): Remove use of MIN_ESA.
4842 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4844 PR rtl-optimization/28121
4845 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4848 2006-06-21 DJ Delorie <dj@redhat.com>
4850 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4852 (mulhisi3_r): Likewise.
4854 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4857 * coverage.c (coverage_counter_alloc): Leave the index type
4859 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4862 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4864 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4865 section from the "Options for Code Generation Conventions".
4867 2006-06-21 Richard Henderson <rth@redhat.com>
4871 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4873 (global_symbolic_operand): Allow weak symbols, even if local_p.
4875 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4877 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4878 (find_interesting_uses_address): Punt if above function returns true.
4880 2006-06-21 Richard Guenther <rguenther@suse.de>
4882 * configure: Regenerated.
4884 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4886 * config/mips/mips.c (function_arg): Where one part of a
4887 complex argument is in registers and the other part in the stack,
4888 return a REG not a PARALLEL.
4890 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4892 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4893 when cross-compiling. Do not substitute libstdcxx_incdir.
4894 * configure: Regenerated.
4896 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4898 * varasm.c (mergeable_string_section): Check for embedded NULs and
4899 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4900 rather than TREE_STRING_LENGTH bytes.
4902 2006-06-21 Richard Guenther <rguenther@suse.de>
4904 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4905 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4908 2006-06-21 Richrad Guenther <rguenther@suse.de>
4910 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4911 Limit iteration over the dominators.
4913 2006-06-20 Roger Sayle <roger@eyesopen.com>
4915 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4916 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4918 2006-06-20 Richard Guenther <rguenther@suse.de>
4919 Michael Matz <matz@suse.de>
4921 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4923 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4924 * et-forest.h (et_free_pools): Prototype new function.
4925 * et-forest.c (et_free_tree_force): Free parent occurrence.
4926 (et_free_pools): New function.
4927 * dominance.c (free_dominance_info): Free et-forest alloc
4930 2006-06-20 Roger Sayle <roger@eyesopen.com>
4932 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4933 integer modes, attempt to directly construct an integer constant.
4935 * fold-const.c (native_encode_vector): Determine the size of each
4936 element from the vector type instead of the first vector element.
4938 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4939 if all of its elements/components are constant.
4940 (build_constructor_from_list): Likewise.
4942 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4944 PR tree-optimization/27331
4945 * tree-data-ref.c (free_data_ref): New function.
4946 (create_data_ref): Fail if the data reference has unknown access
4948 (free_data_refs): Use free_data_ref.
4950 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4953 * tree-inline.c (setup_one_parameter): Strip useless
4954 type conversion before adding it to the IR.
4955 (declare_return_variable): Likewise.
4957 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4960 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4962 2006-06-19 Mike Stump <mrs@apple.com>
4964 * tree.c (variably_modified_type_p): VM arguments don't make the
4967 2006-06-19 Richard Guenther <rguenther@suse.de>
4969 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4970 type conversions after folding.
4972 2006-06-19 Richard Guenther <rguenther@suse.de>
4974 * ggc-page.c (extra_order_size_tab): Add entries with
4975 size of struct function and basic_block.
4976 (size_lookup): Extend to cover sizes up to 511.
4977 (ggc_alloc_stat): Adjust user.
4978 (ggc_pch_count_object): Likewise.
4979 (ggc_pch_alloc_object): Likewise.
4980 (ggc_pch_write_object): Likewise.
4982 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4984 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4985 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4988 2006-06-19 Denis Chertykov <denisc@overta.ru>
4990 * config/avr/libgcc.S : Correct my wrong previous commit.
4992 2006-06-19 Roger Sayle <roger@eyesopen.com>
4995 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4996 have stripped a SUBREG from the shift count, so we may need to
4997 convert_to_mode back to the type's mode before calling make_tree.
4998 Use new_amount instead of amount to avoid expanding a tree twice.
5000 2006-06-19 Richard Guenther <rguenther@suse.de>
5003 * fold-const.c (operand_equal_p): Check if the argument types
5004 have the same precision before stripping NOPs.
5006 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5008 Fix PR tree-optimization/27341
5009 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5011 * tree-complex.c (pass_lower_complex): Update SMT usage.
5013 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5015 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5016 Add a new alternative to the constraint strings. Add move of
5017 operand 1 to 3 to the splitter definition.
5018 ("doloop_si_long"): Second contraint alternative removed.
5020 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5022 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5023 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5025 (AVR_HAVE_MOVW) Define.
5026 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5027 (ASM_SPEC): Add avr25.
5028 (LINK_SPEC): Add avr25.
5029 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5030 (base_arch_s): Add new member 'have_movw_lpmx'.
5031 (avr_arch_types): Init 'have_movw_lpmx'.
5032 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5033 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5034 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5035 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5036 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5038 (avr_file_start): Do not output '.arh' derective.
5039 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5040 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5041 * config/avr/avr.md (mcu_enhanced): Delete.
5042 (mcu_have_movw): Define.
5043 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5044 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5045 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5046 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5047 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5048 attiny861 and at86rf401 devices.
5050 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5052 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5055 2006-06-17 Karl Berry <karl@gnu.org>
5057 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5058 doc/gccint.texi, doc/install.texi (@dircategory): Use
5059 "Software development" instead of "Programming", following
5060 the Free Software Directory.
5062 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5064 * config/i386/i386.c (legitimate_tls_address)
5065 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5066 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5067 (*tls_dynamic_gnu2_combine_64): Likewise.
5069 2006-06-16 Richard Guenther <rguenther@suse.de>
5072 * fold-const.c (negate_expr_p): Do not introduce undefined
5073 overflow in negating INTEGER_CSTs.
5074 (fold_negate_expr): Rename from negate_expr. Revert last
5075 change for folding BIT_NOT_EXPR. Change semantics to
5076 return NULL_TREE for non-simplified negations. Do not
5077 strip type conversions and unify type handling.
5078 (negate_expr): New function, wrap around fold_negate_expr
5079 but ensure building a tree always. Strip type conversions
5080 here, fold to result type.
5081 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5083 2006-06-16 Roger Sayle <roger@eyesopen.com>
5086 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5087 that (would) return their results in stack registers.
5089 2006-06-16 Michael Matz <matz@suse.de>
5090 Richard Guenther <rguenther@suse.de>
5092 * fold-const.c (fold_truthop): Only return new tree node if
5093 we canonicalized something.
5095 2006-06-16 Richard Guenther <rguenther@suse.de>
5097 * function.h (enum function_frequency): Move declaration
5098 out of struct function.
5099 (struct function): Move bool fields and the enum to the bitfield
5100 section. Reorder elements to avoid padding. Remove unused
5101 fields left over from the RTL inliner removal.
5102 * function.c (free_after_compilation): Do not zero removed fields.
5103 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5104 (ipa-type-escape.o): Likewise.
5106 2006-06-16 Richard Guenther <rguenther@suse.de>
5108 * cgraph.h (struct cgraph_local_info): Turn bool elements
5110 (struct cgraph_node): Likewise.
5111 (struct cgraph_varpool_node): Likewise.
5113 2006-06-15 Richard Guenther <rguenther@suse.de>
5115 * fold-const.c (fold_truth_not_expr): Rename from
5116 invert_truthvalue. Give it fold_* semantics to avoid
5118 (invert_truthvalue): New function. Wrapper around
5119 fold_truth_not_expr.
5120 (optimize_minmax_comparison): Avoid creating garbage.
5121 (fold_unary): Use fold_truth_not_expr for folding
5123 (fold_ternary): Replace uses of invert_truthvalue with
5124 fold_truth_not_expr where applicable.
5125 * tree.h (fold_truth_not_expr): Prototype.
5127 2006-06-16 Richard Guenther <rguenther@suse.de>
5129 PR tree-optimization/27781
5130 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5131 * ipa-pure-const.c (target.h): Include.
5132 (analyze_function): Do not analyze functions that do not
5135 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5138 * tree-dfa.c (referenced_vars_dup_list): Remove.
5139 (find_referenced_vars): Remove assert.
5140 (referenced_var_check_and_insert): Replace dup list with assert.
5141 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5142 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5144 2006-06-15 Richard Guenther <rguenther@suse.de>
5146 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5147 extra unused identifiers if not dumping.
5148 (create_variable_info_for): Likewise.
5150 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5152 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5153 (derive_constant_upper_bound): Derive more precise upper bound in
5154 common cases. Return type changed to double_int.
5155 (record_estimate): Reflect the changed return type of
5156 derive_constant_upper_bound.
5157 * double-int.c (double_int_zext, double_int_sext): Fix.
5159 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5161 * configure.ac (CFLAGS): Get them from the toplevel or from the
5162 configure invocation.
5163 * configure: Regenerate.
5164 * Makefile.in (CFLAGS): Substitute value provided by configure.
5166 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5169 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5170 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5171 rather than calling add_stmt on it.
5172 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5174 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5177 * reload1.c (reload): Remove registers returned by update_eliminables
5178 from used_spill_regs.
5180 2006-06-13 DJ Delorie <dj@redhat.com>
5182 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5184 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5186 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5187 html__strip_dir, html__mkdir_p. Enhance install-html target.
5188 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5189 * configure: Regenerate.
5191 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5193 * fold-const.c (fold_cond_expr_with_comparison): Check for
5194 Objective-C++ as language in deciding COND_EXPR transformation.
5196 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5199 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5200 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5201 * config/sh/lib1funcs.h (SL, SL1): Define.
5202 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5203 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5204 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5205 (OBJS_Os_4_200): New variable.
5206 ($(T)libgcc-Os-4-200.a): Use it.
5207 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5208 when dividing 1 and/or by 0.
5210 2006-06-13 Roger Sayle <roger@eyesopen.com>
5212 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5213 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5214 * configure: Regenerate.
5216 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5218 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5219 for real instruction.
5221 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5224 * haifa-sched.c (check_cfg): Handle special case.
5226 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5229 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5230 Add debug_info parameter. Chain the vars to the BLOCK instead
5231 of the BIND_EXPR if debug info are requested for them.
5232 (pop_gimplify_context): Adjust for above change.
5233 (gimple_add_tmp_var): Likewise.
5234 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5236 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5237 (convert_local_reference): Likewise.
5238 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5239 (finalize_nesting_tree_1): Request that debug info be emitted
5240 for debug_var_chain.
5242 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5244 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5245 for PR target/27863.
5247 2006-06-13 Richard Guenther <rguenther@suse.de>
5250 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5252 2006-06-13 Richard Guenther <rguenther@suse.de>
5254 PR tree-optimization/27830
5255 * tree-inline.c (copy_body_r): For copying the operand
5256 of an ADDR_EXPR make sure to fold &* afterwards.
5258 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5260 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5261 lvalues in the fb_none case with side-effects.
5263 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5265 * tree-flow.h: Remove the prototype for
5266 compute_phi_arg_on_exit.
5267 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5268 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5271 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5273 * builtins.c (expand_builtin_return_addr): Only use
5274 frame_pointer_rtx when count == 0 and we are expanding
5275 __builtin_return_address.
5277 2006-06-12 Fred Fish <fnf@specifix.com>
5279 * config/mips/mips.c (mips_file_start): Create special section
5280 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5282 2006-06-11 Eric Christopher <echristo@apple.com>
5285 * stor-layout.c (place_field): Remove check for
5286 remaining_in_alignment when aligning at the end of a run.
5288 2006-06-11 Eric Christopher <echristo@apple.com>
5291 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5294 2006-06-11 Roger Sayle <roger@eyesopen.com>
5297 Revert incorrect fix for PR target/27158
5298 2006-05-08 Roger Sayle <roger@eyesopen.com>
5299 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5300 of a reg_equiv_constant if the result is a legitimate constant.
5302 2006-06-11 Roger Sayle <roger@eyesopen.com>
5305 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5306 extract a CONST_VECTOR element and interpret it as an integer.
5307 (vspltis_constant): Use const_vector_elt_as_int instead of the
5308 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5309 * config/rs6000/predicates.md (easy_vector_const): Consider
5310 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5312 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5315 * stor-layout.c (update_alignment_for_field): Don't add extra
5316 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5319 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5321 * config/mips/t-rtems: Add EL/EB multilib variants.
5323 2006-06-09 Mike Stump <mrs@apple.com>
5325 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5327 2006-06-09 David Daney <ddaney@avtrex.com>
5329 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5331 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5333 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5335 2006-06-09 Richard Guenther <rguenther@suse.de>
5337 PR tree-optimization/26998
5338 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5339 of signed types, only TYPE_MIN_VALUE is special, but for both,
5340 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5341 in this case, as is -fwrapv.
5343 2006-06-08 Mike Stump <mrs@apple.com>
5346 * config/darwin.c (darwin_asm_output_anchor): Disable
5347 -fsection-anchors on darwin for now.
5348 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5349 * rs6000/rs6000.c (optimization_options): Likewise.
5351 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5354 * config/i386/i386.c (classify_argument): Skip fields with invalid
5357 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5359 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5360 (cse_insn): Likewise for the stack_pointer_rtx.
5362 2006-06-08 Roger Sayle <roger@eyesopen.com>
5364 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5365 conditions from floating point comparisons.
5367 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5370 * expmed.c (struct alg_hash_entry): Fix type of field T
5371 to match synth_mult argument.
5372 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5374 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5377 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5380 2006-06-08 Richard Guenther <rguenther@suse.de>
5383 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5384 only, if overflow is defined and not trapping.
5385 (negate_expr): Likewise.
5387 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5389 PR tree-optimization/27872
5390 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5391 flag on the new exit edge of the unrolled loop.
5393 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5395 PR rtl-optimization/26449
5396 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5398 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5401 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5402 referenced_variables with matching DECL_UID's.
5403 (find_referenced_vars): Make sure duplicate list is empty to start.
5404 (referenced_var_p): Remove.
5405 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5406 Check if var is in the list, and add if needed. Update the duplicate
5407 list if a different var is in the list with the same DECL_UID.
5408 (add_referenced_var): Call routine to check and insert.
5409 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5410 * tree-flow.h (referenced_vars_dup_list): External declaration.
5412 2006-06-07 Fred Fish <fnf@specifix.com>
5414 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5417 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5420 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5421 the imaginary and real parts of a clobbered register.
5422 Emit insn to set the imaginary part.
5424 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5426 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5427 in lieu of unwind-dw2-fde.c.
5429 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5431 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5433 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5436 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5437 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5438 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5439 V4SImode temporaries and operations instead.
5441 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5443 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5446 2006-06-06 Mike Stump <mrs@apple.com>
5448 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5449 installing during build.
5451 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5453 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5455 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5456 * config/ia64/ia64.c (params.h): New header.
5457 (ia64_optimization_options): New function to adjust parameters.
5458 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5459 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5460 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5462 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5464 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5466 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5469 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5471 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5472 Victor Kaplansky <victork@il.ibm.com>
5474 PR tree-optimization/26360
5475 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5478 2006-06-04 Roger Sayle <roger@eyesopen.com>
5479 Andrew Pinski <pinskia@physics.uc.edu>
5482 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5483 for LABEL_DECL before calling DECL_WEAK.
5486 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5487 LABEL_DECL and PARM_DECL.
5489 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5493 * c-decl.c (grokdeclarator): Disallow variably modified types at
5494 file scope. Avoid marking shared array type of constant size as
5497 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5500 * c-common.c (fold_offsetof_1): Handle static members.
5502 2006-06-04 Eric Christopher <echristo@apple.com>
5504 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5505 (debug_rli): Output value for remaining_in_alignment.
5506 (update_alignment_for_field): Unconditionalize
5507 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5508 extra alignment code.
5509 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5510 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5511 * tree.h (record_layout_info_s): Remove prev_packed.
5512 * doc/extend.texi (ms_struct): Add documentation of format.
5514 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5516 * tree.h: Declare folding_initializer.
5517 * builtins.c (fold_builtin_constant_p): Give definite answer
5518 if folding inside an initializer.
5519 * fold-const.c: Define folding_initializer.
5520 (START_FOLD_INIT): Save and then set folding_initializer.
5521 (END_FOLD_INIT): Restore folding_initializer.
5523 2006-06-04 Richard Guenther <rguenther@suse.de>
5525 PR tree-optimization/27039
5526 * fold-const.c (fold_comparison): Handle pointer comparison
5527 again for all comparison codes. Compare offsets in signed
5529 (fold_binary): Move code from here.
5531 2006-06-03 Roger Sayle <roger@eyesopen.com>
5534 * config/i386/i386.c (construct_container): Split static issued_error
5535 flag into issued_sse_arg_error, issued_sse_ret_error and
5536 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5537 requires the use of x87 registers and the user explicitly
5538 specified the -mno-80387 command line option.
5540 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5542 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5543 HAVE_DECL_SIGALTSTACK.
5545 (segv_handler): Use MC_FLD.
5546 * configure.ac: Check for a sigaltstack declaration.
5547 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5548 * configure: Regenerate.
5549 * config.in: Regenerate.
5551 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5554 * Makefile.in (stmp-fixinc): Fix typo.
5556 2006-06-02 Roger Sayle <roger@eyesopen.com>
5558 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5559 are type correct. Clean-up.
5560 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5561 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5563 2006-06-01 DJ Delorie <dj@redhat.com>
5565 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5566 shift, as we've disabled the "switch" insn that needs it.
5568 2006-06-01 Per Bothner <bothner@bothner.com>
5570 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5571 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5572 * c-ppoutput.c (cb_define): Don't increment line 0.
5574 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5576 * doc/invoke.texi: Add cpu_type power6.
5577 * config.gcc: Add cpu_type power6.
5578 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5579 to power5+ with Altivec.
5580 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5581 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5583 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5585 * config/avr/avr.h (SET_ASM_OP): Define.
5587 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5589 * config/bfin/bfin.c: Fix comment typos.
5591 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5594 * doc/install.texi: Document --enable-bootstrap and
5595 --disable-bootstrap.
5597 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5599 * doc/install.texi: Document that InfoZIP can replace jar.
5601 2006-05-31 Roger Sayle <roger@eyesopen.com>
5603 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5604 isn't available, directly generate the simpler x87 patterns without
5605 the (use (const_int 0)).
5606 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5607 implementation isn't available.
5608 (*negdf2_1): Likewise.
5609 (*negxf2_1): XF mode negation is always done using the x87.
5610 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5612 2006-05-31 Roger Sayle <roger@eyesopen.com>
5614 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5615 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5617 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5619 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5621 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5622 * config/bfin/bfin.c (basic-block.h): Include.
5623 (struct machine_function): New.
5624 (bfin_init_machine_status): New.
5625 (override_options): Initialize init_machine_status.
5626 (bfin_hardware_loop): New.
5627 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5628 (DEF_VEC_P (loop_info)): New.
5629 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5630 (struct loop_info): New.
5631 (loop_info): New typedef.
5632 (struct loop_work): New.
5633 (loop_work): New typedef.
5634 (DEF_VEC_O (loop_work)): New.
5635 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5636 (bfin_dump_loops): New.
5637 (bfin_bb_in_loop): New.
5638 (bfin_scan_loop): New.
5639 (bfin_optimize_loop): New.
5640 (bfin_reorg_loops): New.
5641 (bfin_reorg): Use bfin_reorg_loops.
5642 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5644 (I_REGNO_P): Simplify.
5645 (DP_REGNO_P, DPREG_P): New macros.
5646 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5647 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5648 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5649 Add LT_REGS, LC_REGS, LB_REGS.
5650 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5652 (REGNO_REG_CLASS): Deal with loop registers.
5653 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5655 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5656 New constants for loop registers.
5657 (UNSPEC_LSETUP_END): New.
5658 (seq_insns): New define_attr. Set it for appropriate insns.
5659 (movsi_insn): Add alternatives for move from/to
5660 loop count registers.
5661 (doloop_end): New define_expand.
5662 (loop_end): New define_insn.
5663 (define_split for bad doloop_end): New.
5664 (lsetup_with_autoinit): New define_insn.
5665 (lsetup_without_autoinit): New define_insn.
5666 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5667 * config/bfin/predicates.md (lc_register_operand): New.
5668 (lt_register_operand): New.
5669 (lb_register_operand): New.
5670 (nondp_register_operand): New.
5671 (nondp_reg_or_memory_operand): New.
5672 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5674 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5676 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5677 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5679 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5681 * Makefile.in (CATALOGS): Add po/ prefix.
5682 * configure: Regenerated.
5684 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5687 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5688 a shift operand before calling shift_op. Avoid redundant call of
5691 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5692 DJ Delorie <dj@redhat.com>
5694 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5695 we're inserting is a singlt-bit constant.
5697 2006-05-30 Roger Sayle <roger@eyesopen.com>
5699 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5700 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5702 2006-05-30 Roger Sayle <roger@eyesopen.com>
5704 PR tree-optimization/23452
5705 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5706 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5707 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5708 complex values and with -ffast-math for FP complex values.
5710 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5712 * c-common.h: Remove the prototype for yyparse.
5713 * rtl.h: Remove the prototype for init_loop.
5715 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5717 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5720 2006-05-30 Roger Sayle <roger@eyesopen.com>
5722 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5724 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5725 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5727 2006-05-30 Dirk Mueller <dmueller@suse.de>
5730 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5731 for CONSTANT_CLASS_P expresisons.
5733 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5736 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5738 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5740 PR tree-optimization/27779
5741 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5742 initial_condition instead of CHREC_LEFT.
5744 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5746 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5747 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5748 Make prototypes ISO C90.
5750 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5751 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5753 * see.c (see_analyze_one_def): Correct check.
5754 (see_get_extension_data): Check if extension is parallel.
5755 (see_get_extension_reg): Likewise.
5757 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5760 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5761 into register for (code == GTU).
5763 2006-05-29 Roger Sayle <roger@eyesopen.com>
5765 PR tree-optimization/24964
5766 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5767 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5768 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5769 abs(x)*abs(x) as x*x for scalar floating point modes.
5771 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5774 * lambda-code.c (perfect_nestify): Don't copy statements
5775 in the inner loop: move them to the inner loop header.
5777 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5780 * c-tree.texi: Document OpenMP directives and clauses.
5782 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5784 * varasm.c (globalize_decl): Fix indentation.
5786 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5789 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5790 pass_fre, pass_store_ccp, pass_copy_prop,
5791 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5792 pass_return_slot, pass_object_size, pass_lim,
5793 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5794 pass_loop_prefetch and pass_stdarg.
5796 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5798 * config/bfin/bfin.opt (mfdpic): New option.
5799 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5800 (EXTRA_MULTILIB_PARTS): Likewise.
5801 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5802 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5804 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5805 (CRT_CALL_STATIC_FUNCTION): New.
5806 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5808 (CRT_CALL_STATIC_FUNCTION): New.
5809 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5811 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5812 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5813 (initialize_trampoline): Changed to handle FD-PIC code generation.
5814 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5815 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5816 (override_options): Disallow -mid-shared-library -mfdpic combination.
5817 Can't do unaligned ops if FD-PIC.
5818 Turn off flag_pic if trying to generate non-id-shared-library
5819 non-fdpic code, since it's not supported.
5820 (bfin_assemble_integer): New function.
5821 (TARGET_ASM_INTEGER): Define.
5822 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5824 * config/bfin/crtn.s: Restore them.
5825 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5827 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5828 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5829 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5830 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5831 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5833 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5834 FDPIC_REGS and FDPIC_FPTR_REGS.
5835 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5836 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5837 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5838 (load_funcdescsi): New pattern.
5839 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5840 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5841 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5843 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5845 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5848 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5850 * tree-flow.h: Remove the prototype for add_type_alias.
5851 * tree-ssa-alias.c (add_type_alias): Remove.
5853 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5855 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5856 config/fr30/fr30.md, config/i386/i386-interix.h,
5857 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5858 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5859 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5860 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5861 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5862 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5863 Follow spelling conventions.
5864 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5865 Follow spelling conventions.
5867 2006-05-27 Richard Guenther <rguenther@suse.de>
5870 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5871 to produce a constant of value 1 of generic type.
5873 2006-05-27 Dirk Mueller <dmueller@suse.de>
5875 * cgraphunit.c (decide_is_function_needed): Fix wrong
5878 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5880 PR rtl-optimization/27661
5881 * reload.c (find_reloads): When reloading a VOIDmode constant
5882 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5883 use Pmode as mode of the reload register.
5885 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5887 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5888 is enabled at -O and above.
5890 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5893 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5896 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5899 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5900 for anonymous variables explicitly declared by front ends.
5902 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5904 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5905 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5906 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5907 ref-all pointers, run a finalization pass for them.
5908 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5909 (finalize_ref_all_pointers): New function.
5910 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5911 regular pointer type to a ref-all pointer type.
5912 (get_tmt_for): Return the special memory tag for ref-all pointers.
5914 2006-05-25 Richard Guenther <rguenther@suse.de>
5917 * fold-const.c (fold_binary): Do not look at the stripped
5918 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5920 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5922 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5923 for LT and GT if the computed range is effectively empty.
5925 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5928 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5929 mips_quad_format formats instead of ieee_single_format,
5930 ieee_double_format and ieee_quad_format formats, respectively.
5932 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5934 PR tree-optimization/27639
5935 PR tree-optimization/26719
5936 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5937 call to scev_probably_wraps_p.
5938 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5939 used_in_pointer_arithmetic_p, convert_step): Removed.
5940 (nowrap_type_p): New function.
5941 (scev_probably_wraps_p): Rewritten.
5942 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5943 chrec_convert if chrec_convert_aggressive might have been used.
5944 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5945 scev_direction): New functions.
5946 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5947 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5948 instead of convert_step.
5949 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5950 (convert_step): Declaration removed.
5951 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5953 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5955 * df-core.c: Added to header comments.
5956 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5957 df_ur_bb_info, df_urec_bb_info): Added comments.
5958 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5959 urec, ri problems): Fixed header comments.
5960 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5961 code from df_rd_transfer_function.
5963 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5965 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5966 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5967 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5969 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5971 * expr.c (undefined_operand_subword_p): New.
5972 (emit_move_multi_word): Do not generate move from undefined bits
5973 of a paradoxical subreg.
5975 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5977 PR rtl-optimization/27736
5978 * combine.c (replaced_rhs_value): New variable.
5979 (combine_instructions): Set it.
5980 (distribute_notes): When distributing a note in replaced_rhs_insn,
5981 check whether the value was used in replaced_rhs_value.
5983 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5986 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5987 add_referenced_var instead of add_referenced_tmp_var.
5988 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5989 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5991 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5992 tree_optimize_tail_calls_1): Use add_referenced_var.
5993 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5994 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5995 Use add_referenced_var.
5996 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5997 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5998 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5999 Use add_referenced_var.
6000 * tree-dfa.c (struct walk_state): Remove.
6001 (find_referenced_vars): Remove walk state and vars_found hash table.
6002 (make_rename_temp): Use add_referenced_var.
6003 (find_vars_r): Pass less parameters to add_referenced_var.
6004 (referenced_var_p): New. Is var in referenced_var hash table.
6005 (referenced_var_insert): Assert var isn't already in hash table.
6006 (add_referenced_var): Don't need walk_state parameter. Add var if it
6007 isn't already in the hash table.
6008 (add_referenced_tmp_var): Remove.
6009 (find_new_referenced_vars_1): Use add_referenced_var.
6010 * tree-ssa-pre.c (create_expression_by_pieces,
6011 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6012 Use add_referenced_var.
6013 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6014 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6015 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6017 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6018 vect_create_data_ref_ptr, vect_create_destination_var,
6019 vect_init_vector, vect_build_loop_niters,
6020 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6021 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6022 Use add_referenced_var.
6023 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6024 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6025 (add_referenced_var): Add prototype.
6026 * tree-ssa-structalias.c (get_constraint_for,
6027 intra_create_variable_infos): Use add_referenced_var.
6029 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6031 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6032 big-endian paradoxical subregs.
6033 * var-tracking.c (struct micro_operation_def): Document that,
6034 for modify micro operations, insn is the subsequent instruction.
6035 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6036 (var_reg_set, var_mem_set): ... new functions.
6037 (add_stores): Record subsequent insn.
6038 (compute_bb_dataflow): Use new functions for MO_USE.
6039 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6040 notes after the insn, and modify notes before the insn known
6041 to be the subsequent one.
6042 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6044 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6047 * config/i386/i386.c (ix86_expand_builtin): Use
6048 gen_sse3_monitor64 for TARGET_64BIT.
6050 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6052 PR rtl-optimization/26375
6053 PR rtl-optimization/26855
6054 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6056 (df_ru_bb_local_compute): Reversed statements and removed bogus
6057 comment explaining why they should be in wrong order.
6058 (df_ru_dump, df_rd_dump): Enhanced debug info.
6059 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6061 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6062 reaching uses and fixed space problem.
6064 2006-05-23 Jan Hubicka <jh@suse.cz>
6066 * cgraphunit.c (decide_is_function_needed): Also nested functions
6067 and functions declared inline can be optimized out at -O0.
6069 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6071 * doc/install.texi (Configuration): Remove reference to CrossGCC
6075 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6078 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6079 ix86_compare_emitted is non-NULL.
6081 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6084 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6087 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6089 PR rtl-optimization/25514
6090 * combine.c (replaced_rhs_insn): New variable.
6091 (combine_instructions): Set replaced_rhs_insn when trying to replace
6092 a SET_SRC with a REG_EQUAL note.
6093 (distribute_notes): Use replaced_rhs_insn when determining the live
6094 range of a REG_DEAD register.
6096 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6097 Anatoly Sokolov <aesok@post.ru>
6099 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6100 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6101 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6102 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6103 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6104 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6105 at90usb647, at90usb1286 and at90usb1287 devices.
6106 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6107 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6109 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6111 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6113 2006-05-22 Richard Guenther <rguenther@suse.de>
6116 2006-01-31 Richard Guenther <rguenther@suse.de>
6117 Paolo Bonzini <bonzini@gnu.org>
6119 * doc/install.texi (--disable-libgcc-math): Document.
6121 2006-05-22 Richard Guenther <rguenther@suse.de>
6124 2006-01-31 Richard Guenther <rguenther@suse.de>
6126 * doc/invoke.texi (-msselibm): Document.
6127 * target.h (expand_library_builtin): New target hook.
6128 * builtins.c (expand_builtin): Use expand_library_builtin.
6129 (default_expand_library_builtin): New function.
6130 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6131 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6132 (link_gcc_math_spec): Declare.
6133 (static_specs): Add link_gcc_math_spec.
6134 * expr.h (default_expand_library_builtin): Declare.
6135 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6136 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6137 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6138 * config/i386/i386.opt (msselibm): New target option.
6139 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6140 (ix86_init_sse_abi_builtins): New function.
6141 (ix86_expand_library_builtin): Likewise.
6142 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6143 (override_options): Handle error conditions wrt -msselibm.
6144 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6145 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6146 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6149 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6152 * c-common.c (self_promoting_args_p): Skip erroneous args.
6155 * c-decl.c (finish_struct): Skip erroneous fields.
6157 2006-05-22 Nick Clifton <nickc@redhat.com>
6159 * config/cris/cris.opt (march): Remove VarExists attribute.
6160 (max-stackframe=): Likewise.
6162 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6164 * doc/rtl.texi: Fix a typo.
6165 * see.c: Fix comment typos.
6167 * tree-ssa-structalias.h (alias_info): Remove num_references.
6169 2006-05-21 Mike Stump <mrs@apple.com>
6171 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6173 (darwin_pragma_options): Use BAD instead.
6174 (darwin_pragma_unused): Likewise.
6175 (darwin_pragma_ms_struct): Likewise.
6177 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6179 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6181 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6183 PR rtl-optimization/27671
6184 * simplify-rtx.c (simplify_relational_operation_1): Fix
6185 simplifications of (eq/ne (xor x y) y) and
6186 (eq/ne (xor x y) x).
6188 PR tree-optimization/26622.
6189 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6192 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6194 * tree-cfg.c: Prune whitespace.
6195 (debug_tree_cfg): Point to correct header containing the
6198 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6201 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6203 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6206 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6207 or sorry count is non zero.
6209 2006-05-20 Andreas Schwab <schwab@suse.de>
6211 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6213 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6214 Kenneth Zadeck <zadeck@naturalbridge.com>
6216 PR rtl-optimization/26855
6218 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6220 (df_scan_alloc): Added code to properly handle multiword hard
6221 registers and add all_blocks parameter.
6222 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6223 code to properly handle multiword hard registers.
6224 (df_rescan_blocks): Added code to remove deleted blocks from
6226 (df_ref_create_structure, df_ref_record): Added code to properly
6228 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6229 and set DF_REF_PARTIAL.
6230 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6231 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6232 (df_scan_add_problem): Added flags parameter.
6233 (df_ref_create_structure): Changed switching structure.
6234 (df_bb_refs_record): Fixed case where duplicate artificial refs
6235 were created. Changed location of flags.
6236 (df_record_entry_block_defs): Added code to make stack pointer
6237 live in entry block. Refined cases where frame pointer is needed.
6238 Changed location of flags.
6239 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6240 (df_set_state): Removed function.
6241 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6242 df_insn_create_insn_record, df_insn_refs_delete,
6243 df_ref_create_structure): Formatting changes.
6244 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6245 df_delete_basic_block): New function.
6246 (df_init): Changed location of flags.
6247 (df_add_problem): Added flags parameter and the way flags are
6249 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6250 debug_df_chain): Improved debugging output.
6251 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6252 (df_refs_chain_dump): Removed df parameter.
6253 (df_iterative_dataflow): Added consistency check.
6254 (df_prune_to_subcfg): Made public.
6255 (df_analyze_problem): Added blocks_to_init parameter and made
6257 (df_ref_record, df_bb_refs_record, df_mark_reg,
6258 df_record_exit_block_uses): Whitespace changes.
6259 (df_dump): Whitespace changes.
6260 * df.h: Some reordering to remove forward references.
6261 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6262 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6263 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6264 (dataflow.flags): New field.
6265 (df.flag): Deleted field.
6266 (df_alloc_function): Added additional bitmap parameter.
6267 (df_dependent_problem_function): New type.
6268 (df_problem.changeable_flags): New field.
6269 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6270 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6271 (df_mw_hardreg): New struct.
6272 (DF_INSN_UID_MWS): New macro.
6273 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6275 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6276 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6277 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6278 (df_set_state): Removed function.
6279 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6280 * df-problems.c (df_chain_dump): Removed df parameter.
6281 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6282 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6284 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6285 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6286 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6287 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6288 DF_REF_MUST_CLOBBER cases.
6289 (df_ru_bb_local_compute_process_def,
6290 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6291 df_lr_bb_local_compute, df_ur_bb_local_compute,
6292 df_chain_create_bb): Made subreg aware.
6293 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6294 df_lr_bb_local_compute, df_lr_bb_local_compute,
6295 df_chain_create_bb): Cleanup to use proper macros.
6296 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6297 code to fixup bitvectors.
6298 (df_ri_alloc): Cleared lifetime.
6299 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6300 df_create_unused_note): New function.
6301 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6302 REG_DEAD and REG_UNUSED notes as well as register information.
6303 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6304 df_chains_dump): Fixed crash if problem was never run.
6305 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6306 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6307 df_ri_add_problem): Processes flags in uniform manner.
6308 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6309 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6310 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6311 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6312 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6313 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6314 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6315 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6316 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6317 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6318 * see.c (see_initialize_data): Ditto.
6319 * final.c (rest_of_clean_state) Added regstack_completed.
6320 * rtl.h (regstack_completed): Ditto.
6321 * reg-stack.c (regstack_completed): Ditto.
6323 2006-05-19 Mike Stump <mrs@apple.com>
6325 * c-tree.h (default_conversion): Remove.
6326 * c-common.h (default_conversion): Add.
6328 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6330 * tree-vrp.c (valid_value_p): New function.
6331 (adjust_range_with_scev): Fail if the value of bound is not
6334 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6336 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6337 (mips_fallback_frame_state): Use syscall numbers to determine
6338 the appropriate li instruction for the current ABI. Only use
6339 __NR_sigreturn for o32.
6341 2006-05-19 Nicolas Setton <setton@adacore.com>
6343 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6344 * langhooks.c (lhd_dwarf_name): New function.
6345 * langhooks-def.h (lhd_dwarf_name): Declare.
6346 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6347 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6348 * ada/misc.c (gnat_dwarf_name): New function.
6349 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6351 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6353 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6355 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6356 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6357 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6358 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6359 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6360 determine the size of Wtype, etc.
6361 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6362 (swfloatfuncs): New variable.
6363 (dwfloatfuncs): Likewise.
6364 (lib2funcs): Remove floating-point conversion functions from
6365 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6366 the set of conversion routines needed. Allow entries to specify
6367 an object name, filename and word size. Update users accordingly.
6368 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6369 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6373 2006-02-08 Roger Sayle <roger@eyesopen.com>
6376 * config/fixtfdi.c: New libgcc source file.
6377 * config/fixunstfdi.c: New source file.
6378 * config/floatditf.c: New source file.
6379 * config/floatunditf.c: New souce file.
6380 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6381 files above instead of config/mips/_tilib.c.
6382 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6384 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6386 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6387 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6389 2006-05-18 Mike Stump <mrs@apple.com>
6391 Fix up vla, vm and [*] sematics.
6397 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6398 (c_vla_unspec_p): Add.
6399 (c_vla_type_p): Add.
6400 * c-decl.c (struct c_scope): Add had_vla_unspec.
6401 (build_array_declarator): Add support for [*].
6402 (grokdeclarator): Likewise.
6403 (grokparms): Likewise.
6404 (get_parm_info): Likewise.
6405 * c-objc-common.c (c_vla_unspec_p): Likewise.
6406 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6407 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6408 typeof when argument is a variably modified type not inside sizeof or alignof.
6409 (c_parser_direct_declarator_inner): Propagate errors.
6410 (c_parser_sizeof_expression): Add support for [*].
6411 (c_parser_parms_declarator): Initialize had_vla_unspec.
6412 (c_parser_parms_list_declarator): Likewise.
6413 * c-typeck.c (c_vla_type_p): Add.
6414 (composite_type): Add support for vla compositing.
6415 (comptypes_internal): Add support for vla compatibility.
6416 (c_expr_sizeof_expr): Evaluate vla arguments.
6417 * tree.c (variably_modified_type_p): Update comment for [*].
6419 2006-05-18 Michael Matz <matz@suse.de>
6422 * config.host: Make assignments to host_xmake_file cumulative.
6423 * config.host (*-darwin*): Test $host, not $target.
6425 2006-05-12 Stuart Hastings <stuart@apple.com>
6427 * config/i386/i386.opt (-mstackrealign): New flag.
6428 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6429 (ix86_handle_cconv_attribute): Emit error when
6430 force_align_arg_pointer attribute collides with too many regparms.
6431 (ix86_function_regparm): Limit regparms when used with
6432 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6433 Support stack-realigning prologue in non-main functions. Emit
6434 warning for nested functions under -mstackrealign, emit error for
6435 nested functions with force_align_arg_pointer attribute.
6436 * doc/extend.texi (force_align_arg_pointer): Document it.
6437 * doc/invoke.texi (-mstackrealign): Document it.
6439 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6441 PR rtl-optimization/27477
6442 * combine.c (try_combine): Don't split a parallel consisting
6443 of two sets into two individual sets if both sets reference
6446 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6448 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6449 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6451 * doc/options.texi (VarExists): Updated.
6453 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6455 * unwind-dw2.c: Add declarations for uw_update_context and
6457 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6458 detected, advance frame state and context once to skip over stub.
6460 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6464 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6465 Call rewrite_into_loop_closed_ssa only when something changed.
6466 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6467 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6468 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6469 Test for perfect_nest_p here. Fix formating.
6470 (replace_uses_equiv_to_x_with_y): Fix formating.
6471 (stmt_uses_op): Removed.
6472 (can_convert_to_perfect_nest): Removed loopivs parameter.
6473 Complete the test by checking the scalar dependences.
6474 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6477 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6480 From Dan Kegel <dank@kegel.com>:
6481 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6483 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6485 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6486 if the element type is variably modified without recursing.
6488 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6491 * tree-loop-linear.c (try_interchange_loops): Test for
6492 no data dependences.
6494 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6496 PR tree-optimization/27548
6497 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6498 range of ssa names that appear on abnormal edges.
6499 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6500 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6502 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6505 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6507 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6510 * tree.h (OMP_PARALLEL_COMBINED): Define.
6511 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6512 (new_omp_context): Add is_combined_parallel argument.
6513 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6514 new_omp_context caller.
6515 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6516 Adjust gimplify_scan_omp_clauses callers.
6517 (omp_is_private): Issue errors if iteration variable is firstprivate
6518 or reduction in the current context.
6519 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6520 on combined parallel workshare constructs.
6522 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6524 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6525 (gcc-options.o): New rule.
6527 * optc-gen.awk: Protect variables for gcc-options.o with
6528 #ifdef GCC_DRIVER/#endif.
6530 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6532 Fix PR tree-optimization/27373
6533 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6534 (forward_propagate_addr_expr): Update call.
6536 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6538 * doc/options.texi: Move the Negative option.
6540 2006-05-16 Richard Guenther <rguenther@suse.de>
6542 PR tree-optimization/22303
6543 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6545 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6546 ccp_fold did not simplify the statement.
6548 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6551 * Makefile.in (GCC_OBJS): New.
6552 (OBJS-common): Add opts-common.o.
6553 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6554 (cpp$(exeext)): Likewise.
6555 (gcc.o): Also depend on opts.h.
6556 (opts-common.o): New.
6558 * common.opt (gcoff): Add Negative(gdwarf-2).
6559 (gdwarf-2): Add Negative(gstabs).
6560 (gstabs): Add Negative(gstabs+).
6561 (gstabs+): Add Negative(gvms).
6562 (gvms): Add Negative(gxcoff).
6563 (gxcoff): Add Negative(gxcoff+).
6564 (gxcoff+): Add Negative(gcoff).
6565 * config/i386/i386.opt (m32): Add Negative(m64).
6566 (m64): Add Negative(m32).
6568 * doc/options.texi: Document the Negative option.
6570 * gcc.c: Include "opts.h".
6571 (main): Call prune_options after expandargv.
6573 * optc-gen.awk: Generate common declarations for all flag
6574 variables in options.c. Output the neg_index field.
6576 * opts.c (find_opt): Moved to ...
6577 * opts-common.c: Here. New file.
6579 * opts.h (cl_option): Add a neg_index field.
6581 (prune_options): Likewise.
6583 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6586 * omp-low.c (expand_omp_parallel): Don't assert
6587 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6588 instead search for it.
6591 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6594 2006-05-16 Andreas Schwab <schwab@suse.de>
6596 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6599 2006-05-15 Roger Sayle <roger@eyesopen.com>
6602 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6603 integer constants other than zero are only legitimate on TARGET_64BIT.
6604 <CONST_VECTOR> Only zero vectors are legitimate.
6605 (ix86_cannot_force_const_mem): Integral and vector constants can
6606 always be put in the constant pool.
6608 2006-05-16 DJ Delorie <dj@redhat.com>
6610 * crtstuff.c (__dso_handle): Set section from
6611 TARGET_LBIGCC_SDATA_SECTION if defined.
6612 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6613 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6615 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6618 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6621 2006-05-16 Ben Elliston <bje@au.ibm.com>
6623 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6625 2006-05-15 Per Bothner <per@bothner.com>
6627 * tree.c: (last_annotated_node): Use source_locus typedef.
6628 This permits bootstrapping with --enable-mapped-location.
6630 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6632 PR tree-optimization/26830
6633 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6634 (info_for_ssa_name, current_info_for_ssa_name_age,
6635 blocks_to_update): New variables.
6636 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6637 (clear_ssa_name_info, initialize_flags_in_bb,
6638 mark_block_for_update): New functions.
6639 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6640 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6641 prepare_def_site_for): Use mark_block_for_update.
6642 (mark_def_interesting): Assert that the processed block is marked in
6643 blocks_to_update. Do not take blocks argument.
6644 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6646 (rewrite_update_init_block, rewrite_update_stmt): Only process
6647 blocks with statements to rewrite.
6648 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6649 (update_ssa): Initialize and free blocks_to_update. Do not
6650 clear flags on statements. Do not use blocks bitmap.
6651 * tree.h (SSA_NAME_AUX): Removed.
6652 (struct tree_ssa_name): Removed aux field.
6653 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6655 2006-05-15 Richard Guenther <rguenther@suse.de>
6657 PR tree-optimization/27603
6658 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6659 Do computations in original type.
6661 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6663 * see.c: Code style changes such as redundant paranthesis,
6664 redundant intialization of local variables etc.
6665 (see_main): Declared now as static.
6666 * doc/invoke.texi: Update that -fsee is not enabled by
6669 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6671 * omp-low.c (check_omp_nesting_restrictions): New function.
6672 (scan_omp_1): Call it.
6675 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6676 construct, return *VAR.
6678 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6680 PR rtl-optimization/27406
6681 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6684 2006-05-14 Roger Sayle <roger@eyesopen.com>
6686 PR rtl-optimization/27538
6687 * combine.c (expand_compound_operation): Call gen_lowpart
6688 before calling simplify_shift_const.
6690 2006-05-14 Roger Sayle <roger@eyesopen.com>
6692 PR rtl-optimization/22563
6693 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6694 a fixed width bitfield, always force the intermediates into psuedos.
6696 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6699 * mkconfig.sh: Use operator = instead of == for test.
6701 2006-05-13 Nick Clifton <nickc@redhat.com>
6703 * dwarf2out.c (dbx_reg_number): Check return value from
6704 LEAF_REG_REMAP and only use it if it is valid.
6705 (multiple_reg_loc_descriptor): Likewise.
6707 2006-05-13 Richard Guenther <rguenther@suse.de>
6709 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6712 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6714 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6715 information attached to non-INSNs such as NOTEs.
6716 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6718 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6720 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6722 * config/s390/s390.md: Adjust comment describing On constraint.
6724 2006-05-11 Jan Hubicka <jh@suse.cz>
6726 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6727 to be output at -O0.
6729 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6732 * fold-const.c (size_binop): Move sanity check for arguments to
6733 the beginning of the function.
6736 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6739 2006-05-11 Richard Guenther <rguenther@suse.de>
6742 * fold-const.c (fold_unary): Handle intermediate conversion
6743 to a pointer type like intermediate conversion to an integer
6744 type in folding of (T1)(T2)var to var.
6745 Match the code to the comment in the final conversion for
6746 (T1)(T2)var to (T1)var regarding to type precision. Rather
6747 than disallow T1 being of pointer type, assert that both T1
6748 and var are of pointer type or not. Make sure not to fall
6749 over the frontends lazyness wrt array to pointer decay though.
6751 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6753 * arm.c (arm_struct_value_rtx): Delete.
6754 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6755 (arm_init_cumulative_args): Always initialize nregs to zero.
6757 2006-05-10 Richard Guenther <rguenther@suse.de>
6759 PR tree-optimization/27532
6760 * tree-object-size.c (plus_expr_object_size): Fix typo.
6762 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6765 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6766 ashrdi_const, ashrdi3): Use a scratch register.
6768 2006-05-10 Richard Guenther <rguenther@suse.de>
6770 PR tree-optimization/27302
6771 * fold-const.c (operand_equal_p): For two comparisons,
6772 try comparison of one comparison code swapped if that yields
6775 2006-05-10 Ben Elliston <bje@au.ibm.com>
6777 * tree-pretty-print.c (pretty_print_string): No need to handle
6778 '\0' as a special character.
6780 * tree.h: Include "hashtab.h".
6781 (iterative_hash_expr): Use hashval_t in its prototype.
6782 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6784 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6787 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6788 (hppa*64*-*-hpux11*): Ditto.
6789 (hppa[12]*-*-hpux11*): Ditto.
6791 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6794 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6796 2006-05-09 Michael Matz <matz@suse.de>
6798 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6799 host_extra_gcc_objs and host_xmake_file.
6800 (<*-*-linux*>): Don't overwrite host_xmake_file.
6801 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6802 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6803 (host_detect_local_cpu): Declare.
6804 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6805 * config/i386/i386.c (override_options): Handle -mtune=native
6807 * config/i386/x-i386: New file.
6808 * config/i386/driver-i386.c: New file.
6809 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6812 2006-05-09 Dirk Mueller <dmueller@suse.de>
6813 Richard Guenther <rguenther@suse.de>
6816 * fold-const.c (fold_read_from_constant_string): Relax check
6817 for matching types to matching modes.
6819 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6821 PR rtl-optimization/27335
6822 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6825 2006-05-08 Chao-ying Fu <fu@mips.com>
6826 Richard Sandiford <richard@codesourcery.com>
6828 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6829 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6830 * config/mips/mips.md (UNSPEC_SCC): New constant.
6831 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6832 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6833 (mips_emit_compare): Use it.
6834 (mips_expand_vcondv2sf): New function.
6836 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6838 Fix PR tree-optimization/27093
6839 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6840 renaming when they become not-used_alone.
6842 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6844 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6845 relocation and relocation stubs.
6847 2006-05-08 Eric Christopher <echristo@apple.com>
6849 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6852 2006-05-08 Jan Hubicka <jh@suse.cz>
6855 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6856 unused static functions are needed.
6858 2006-05-08 Roger Sayle <roger@eyesopen.com>
6861 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6862 of a reg_equiv_constant if the result is a legitimate constant.
6864 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6867 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6868 standard 80387 constants, raise the cost to prevent
6869 compress_float_constant() to generate load from memory.
6871 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6873 * config/arm/constraints.md (c): Fix a typo.
6875 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6878 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6881 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6883 (_mm_mwait): Likewise.
6885 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6887 (sse3_monitor): Make it 32bit only.
6888 (sse3_monitor64): New. 64bit monitor.
6890 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6893 * config/i386/i386.c (classify_argument): Skip fields with invalid
6896 2006-05-07 Richard Guenther <rguenther@suse.de>
6898 PR tree-optimization/27409
6899 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6900 Do not try to find zero-sized subvars.
6902 2006-05-07 Richard Guenther <rguenther@suse.de>
6904 PR tree-optimization/27136
6905 * tree-ssa-loop-niter.c (get_val_for): Correct function
6906 comment, assert requirements.
6907 (loop_niter_by_eval): Stop processing if the iterated
6908 value did not simplify.
6910 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6912 * opts.c (flag_see): remove its setting at -O3.
6914 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6916 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6917 * arm/constraints.md: New file.
6918 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6919 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6920 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6921 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6922 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6923 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6924 * arm.md: Include constraints.md.
6925 (thumb_movsi_insn): Use satisfies_constraint_J.
6926 (movhi, movqi): Use satisfies_constraint_I.
6928 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6930 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6931 for atmeg a645 device.
6933 2006-05-06 Richard Guenther <rguenther@suse.de>
6935 PR tree-optimization/27151
6936 * tree-vect-transform.c (vectorizable_condition): Punt on
6937 values that have a different type than the condition.
6939 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6942 * c-parser.c (c_parser_cast_expression): Only insert casts into
6943 hash table if pointer.
6944 * function.c (used_types_insert_helper): Rename from
6946 (used_types_insert): Call used_types_insert_helper.
6947 * function.h (used_types_insert): Accept only one argument.
6949 2006-05-05 David Edelsohn <edesohn@gnu.org>
6951 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6952 scratch with output modifier.
6954 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6957 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6958 with output modifier.
6960 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6963 * config/mips/mips.c (mips_symbolic_address_p): Return true
6964 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6965 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6967 2006-05-04 Richard Guenther <rguenther@suse.de>
6969 PR tree-optimization/14287
6970 PR tree-optimization/14844
6971 PR tree-optimization/19792
6972 PR tree-optimization/21608
6973 PR tree-optimization/27090
6974 * tree-ssa-pre.c (try_combine_conversion): New function.
6975 (compute_avail): After constructing the value-handle
6976 expression, use try_combine_conversion to combine NOP_EXPRs
6977 with previous value-handle expressions and use the result if it
6980 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6982 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6984 2006-05-04 Jan Hubicka <jh@suse.cz>
6987 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6989 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6991 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6992 that this only matches CONST_INTs. All users changed to VOIDmode
6995 * config/bfin/bfin.c: Include "optabs.h".
6996 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6998 (enum bfin_builtins): Add a number of fractional and vector builtins.
6999 (bfin_init_builtins): Likewise.
7000 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7001 (safe_vector_operand, bfin_expand_binop_builtin,
7002 bfin_expand_unop_builtin): New functions.
7003 (bfin_expand_builtin): Handle the new builtins.
7004 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7007 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7010 * Makefile.in (OBJS-common): Add see.o.
7011 (see.o): Add dependencies.
7012 * common.opt (fsee): New flag for the see optimization was added.
7013 * opts.c (flag_see): Initialized.
7014 * passes.c (init_optimization_passes, pass_see): New pass.
7015 * rtl.h (see_main): Declaration as extern.
7016 * timevar.def (TV_SEE): New.
7017 * tree-pass.h (pass_see): Declaration as extern.
7018 * invoke.texi (-fsee): Document.
7019 * recog.c (validate_simplify_insn): New function.
7020 * recog.h (validate_simplify_insn): Declaration as extern.
7021 * df-problems.c (df_chain_dump): Check for NULL.
7023 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7024 Daniel Berlin <dberlin@dberlin.org>
7026 * cfgrtl.c (insert_insn_bb_end_new): New function.
7027 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7029 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7031 * df.h (struct web_entry): Moved from web.c.
7032 (union_defs): Declaration as extern.
7033 (unionfind_root): Likewise.
7034 (unionfind_union): Likewise.
7035 * web.c (struct web_entry): Moved to df.h.
7036 (unionfind_root): Remove static declaration.
7037 (unionfind_union): Likewise.
7038 (union_defs): Likewise and generalize to use callback function.
7039 (web_main): Update arguments for union_defs function call.
7041 2006-05-04 Richard Guenther <rguenther@suse.de>
7043 PR tree-optimization/26447
7044 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7045 produce SSA_NAME copies before the store stmt to avoid
7046 breaking exception handling.
7048 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7051 * gimplify.c (omp_is_private): If var is shared in some outer context,
7052 return false instead of true. Stop searching on parallel context
7055 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7058 * coverage.c: Use get_gcov_unsigned_t() instead of
7059 unsigned_type_node all over.
7061 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7063 PR tree-optimization/27381
7064 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7065 maintain the same immediate_use links.
7066 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7067 node rather than segfaulting.
7069 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7072 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7073 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7074 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7076 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7078 Fix PR tree-optimization/26626
7079 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7081 * tree-ssa-operands.c (access_can_touch_variable): Allow
7082 typecasting through union pointers.
7084 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7087 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7088 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7089 to find if var will be a global variable even in the nested context.
7090 (omp_copy_decl): Only check for global variable at the end, it might
7091 be overridden in outer contexts.
7092 (scan_sharing_clauses): For global variables don't create a field.
7093 (lower_rec_input_clauses): Do nothing for global shared variables.
7094 Emit a barrier at the end of ILIST if there were any decls in both
7095 firstprivate and lastprivate clauses.
7096 (lower_send_clauses): Do nothing for global variables except for
7099 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7101 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7102 of the correct signedness is returned.
7104 2006-05-02 Jeff Law <law@redhat.com>
7106 PR tree-optimization/27364
7107 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7108 multiply expressions.
7110 2006-05-02 Tom Tromey <tromey@redhat.com>
7112 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7114 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7117 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7118 -mthumb -fPIC are used.
7120 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7121 Joshua Kinard <kumba@gentoo.org>
7124 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7125 with 64-bit pointers.
7127 2006-05-02 Paul Brook <paul@codesourcery.com>
7129 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7131 (create_fix_barrier): Check that a suitable barrier location is
7133 (arm_reorg): Include ftmp->address in allowable range of addresses.
7135 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7138 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7141 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7144 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7145 around RESULT_DECL for result passed by reference.
7146 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7147 * omp-low.c (use_pointer_for_field): Don't look at
7148 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7149 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7150 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7151 time or var for passing by reference for
7152 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7153 TREE_ADDRESSABLE variables when passing by reference.
7155 * omp-low.c (dump_omp_region): Fix output formatting.
7158 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7159 (expand_omp_parallel): Likewise.
7160 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7163 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7164 on statement list containing also constructors and destructors.
7165 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7168 * except.c (duplicate_eh_regions): Fix clearing of
7169 cfun->eh->region_array entries.
7171 2006-05-01 DJ Delorie <dj@redhat.com>
7173 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7175 (gcc_cv_objdump): Likewise.
7176 * configure: Regenerated.
7178 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7181 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7182 templates for case 3 and 4.
7184 2006-05-01 DJ Delorie <dj@redhat.com>
7186 * vec.c: Include bconfig.h when appropriate.
7187 * Makefile.in (build/vec.o): Adjust dependencies.
7188 * mkconfig.sh: Make sure config.h isn't used for build machine
7191 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7193 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7195 (mark_phi_for_rewrite): New function.
7196 (insert_phi_nodes_for, mark_use_interesting): Call
7197 mark_phi_for_rewrite.
7198 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7199 (update_ssa): Initialize and free phis_to_rewrite.
7201 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7203 PR rtl-optimization/27291
7204 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7205 folded to a constant.
7207 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7209 PR tree-optimization/27283
7210 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7211 not whole # of iteration descriptions.
7212 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7213 uses abnormal ssa name.
7214 (niter_for_single_dom_exit): Ditto.
7215 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7216 return just the number of iterations.
7218 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7220 PR tree-optimization/27144
7221 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7222 (record_estimate): Only record constant upper bound.
7223 (infer_loop_bounds_from_undefined): Call
7224 compute_estimated_nb_iterations just once.
7225 (proved_non_wrapping_p): Renamed to ...
7226 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7227 (convert_step_widening, scev_probably_wraps_p): Call
7228 n_of_executions_at_most instead of proved_non_wrapping_p.
7229 (substitute_in_loop_info): Do not replace values in bounds.
7230 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7233 2006-05-01 Richard Henderson <rth@redhat.com>
7236 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7237 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7240 2006-05-01 Roger Sayle <roger@eyesopen.com>
7242 * c-typeck.c (parser_build_binary_op): Don't call the function
7243 unsigned_conversion_warning to spot operand/result type overflow.
7244 (build_binary_op): Instead, call convert_and_check instead of
7245 convert to report the problem when the operands are promoted.
7246 * c-common.c (unsigned_conversion_warning): Make static.
7247 * c-common.h (unsigned_conversion_warning): Delete prototype.
7249 2006-05-01 Richard Guenther <rguenther@suse.de>
7251 PR tree-optimization/26726
7252 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7254 (find_interesting_uses_address): ... we work around here
7255 by folding INDIRECT_REFs in the substituted base.
7257 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7259 * omp-low.c (dump_omp_region): Add newlines.
7261 2006-04-30 Roger Sayle <roger@eyesopen.com>
7263 * common.opt (Woverflow): New command line option.
7264 * c-common.c (constant_expression_warning): Check warn_overflow.
7265 (overflow_waring): Pass OPT_Woverflow to warning.
7266 (unsigned_conversion_warning): Likewise.
7267 (convert_and_check): Likewise.
7268 * doc/invoke.texi: Document new command line option.
7270 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7272 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7273 TARGET_NO_FP_IN_TOC for section anchors.
7274 (optimization_options): Enable section anchors for all
7275 non-"Objective" languages.
7277 2006-04-28 Eric Christopher <echristo@apple.com>
7279 * config/darwin-c.c (darwin_ms_struct): Move this
7280 (darwin_set_default_type_attributes): and this...
7281 * config/darwin.c: ... here.
7282 * config/darwin.h (darwin_ms_struct): Declare.
7284 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7286 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7288 2006-04-28 Roger Sayle <roger@eyesopen.com>
7291 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7292 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7293 an unsigned HOST_WIDE_INT.
7294 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7296 (really_start_incremental_init): No need to call convert because
7297 bitsize_zero_node is already of type bitsizetype.
7298 (push_init_level): Extract the value of constructor_index as an
7299 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7300 (process_init_element): Likewise.
7302 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7304 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7305 value before passing to make_relative_prefix.
7307 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7310 * builtins.c (expand_builtin_memset): Expand val in original mode.
7312 2006-04-27 Eric Christopher <echristo@apple.com>
7314 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7315 with #ifndef/#endif.
7316 * config/darwin-c.c (darwin_ms_struct): New.
7317 (darwin_pragma_ms_struct): Ditto.
7318 (darwin_set_default_type_attributes): Ditto.
7319 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7320 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7321 Register ms_struct pragma.
7322 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7323 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7324 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7325 darwin_set_default_type_attributes if TARGET_MACHO.
7327 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7329 PR tree-optimization/26854
7330 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7331 * doc/tree-ssa.texi: Update immuse iterator documentation.
7332 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7333 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7334 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7335 first_safe_imm_use, next_safe_imm_use): Remove.
7336 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7337 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7338 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7339 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7340 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7341 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7342 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7343 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7344 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7345 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7346 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7347 (perfect_nestify): Use new iterator.
7348 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7350 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7351 (next_imm_name): New field in struct immediate_use_iterator_d.
7352 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7353 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7354 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7355 * tree-cfg.c (replace_uses_by): Use new iterator.
7356 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7357 * tree-ssa-operands.c (correct_use_link): Remove.
7358 (finalize_ssa_use_ops): No longer call correct_use_link.
7360 2006-04-27 Stuart Hastings <stuart@apple.com>
7362 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7363 * config/t-darwin (crt3.o): Use it.
7364 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7365 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7366 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7367 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7368 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7371 2006-04-27 Roger Sayle <roger@eyesopen.com>
7373 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7374 size, force the intermediate into a new pseudo rather instead of
7375 performing both a bitwise AND and a bitwise IOR in memory.
7377 2006-04-27 Richard Guenther <rguenther@suse.de>
7379 PR rtl-optimization/26685
7380 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7381 this one "max-flow-memory-locations".
7383 2006-04-27 Richard Guenther <rguenther@suse.de>
7385 PR tree-optimization/25148
7386 * tree-vrp.c (compare_values): Remove code dealing with
7387 comparisons against type min/max value. Honour overflow
7388 and negative constants in code dealing with comparisons
7389 of plus and minus expressions.
7390 (value_inside_range): Use fold_binary with LE_EXPR and
7391 GE_EXPR rather than compare_values.
7393 2006-04-27 Dirk Mueller <dmueller@suse.de>
7395 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7398 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7400 * basic-block.h (safe_insert_insn_on_edge): Removed.
7401 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7403 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7404 Paolo Bonzini <bonzini@gnu.org>
7407 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7408 (simplify_and_const_int): Same.
7410 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7412 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7414 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7417 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7418 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7419 cgraph_global_info_ready.
7422 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7425 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7426 either decl or init is error_mark_node.
7429 * tree-flow.h (struct omp_region): Add sched_kind.
7430 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7431 instead of extracting omp for data.
7432 (expand_omp_for): Save extracted sched_kind.
7434 2006-04-25 Roger Sayle <roger@eyesopen.com>
7436 * expmed.c (store_bit_field): Also check whether the bitsize is
7437 valid for the machine's "insv" instruction before moving the
7438 target into a pseudo for use with the insv.
7439 * config/i386/predicates.md (const8_operand): New predicate.
7440 * config/i386/i386.md (extv, extzv, insv): Use the new
7441 const8_operand predicate where appropriate.
7443 2006-04-25 DJ Delorie <dj@redhat.com>
7445 * doc/install.texi (Specific): Clarify that this is not a list of
7446 supported hosts or targets.
7448 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7450 PR rtl-optimization/26725
7451 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7452 block's BB_DIRTY flag.
7454 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7456 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7459 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7460 to print an integer.
7462 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7464 * varasm.c (align_variable): New function.
7465 (get_block_for_decl): Apply align_variable to DECL before
7466 calculating section information.
7467 (assemble_variable): Split out alignment computation.
7469 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7471 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7474 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7476 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7477 MODE_PARTIAL_INT mode.
7478 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7479 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7481 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7482 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7484 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7486 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7488 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7489 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7490 MACFLAG_IH): Likewise.
7491 (movstricthi_1): Renamed from "*movstricthi".
7492 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7493 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7494 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7495 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7496 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7497 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7498 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7499 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7500 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7501 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7502 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7503 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7504 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7505 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7506 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7508 * doc/rtl.texi (ss_ashift): Improve wording.
7510 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7512 * dwarf2out.c (verify_marks_clear): New.
7513 (prune_unused_types): Call verify_marks_clear initially, not
7516 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7518 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7519 * doc/rtl.texi: Document them.
7520 * simplify-rtx.c (simplify_unary_operation,
7521 simplify_binary_operation_1): Don't abort when we see them.
7523 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7526 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7527 * configure.ac: Completely disregard languages that are not
7529 * configure: Regenerated.
7531 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7532 Richard Guenther <rguenther@suse.de>
7534 PR tree-optimization/27236
7535 * tree-inline.c (copy_body_r): Make sure to copy
7536 TREE_THIS_VOLATILE flag.
7538 2006-04-24 Richard Guenther <rguenther@suse.de>
7541 * tree-complex.c (update_parameter_components): Don't handle
7542 unused parameters which have no default def.
7544 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7545 Richard Guenther <rguenther@suse.de>
7547 PR tree-optimization/27218
7548 * tree-inline.c (expand_call_inline): Strip useless type
7549 conversions for the return slot address.
7551 2006-04-24 Richard Guenther <rguenther@suse.de>
7553 * cfgloop.h (struct loops): Remove unused field array. Reorder
7555 (LOOP_PREFETCH): Remove.
7557 2006-04-24 Richard Guenther <rguenther@suse.de>
7559 PR tree-optimization/22525
7560 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7561 variable, adjust types of generated expressions.
7563 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7565 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7566 (tree-vect-patterns.o): Likewise.
7568 (cselib.o): Likewise.
7569 (loop-doloop.o): Likewise.
7570 (regclass.o): Likewise.
7571 (reload1.o): Likewise.
7572 (explow.o): Replace target.h with $(TARGET_H).
7573 (ipa-prop.o): Likewise.
7574 (ipa-cp.o): Likewise.
7575 (ipa-inline.o): Likewise.
7576 (reorg.o): Likewise.
7577 (reg-stack.o): Likewise.
7579 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7581 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7583 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7585 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7587 * configure.ac: Completely disregard languages that are not
7589 * configure: Regenerated.
7592 * c-common.h (c_build_bitfield_integer_type): Declare.
7593 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7594 * c-common.c (c_build_bitfield_integer_type): ... here.
7596 2006-04-23 Roger Sayle <roger@eyesopen.com>
7599 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7600 a SImode SUBREG of a floating point register after no_new_pseudos.
7602 2006-04-23 Roger Sayle <roger@eyesopen.com>
7604 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7605 identify potentially eliminable registers to additionally catch
7606 VIRTUAL_INCOMING_ARGS_REGNUM.
7607 (addsi3): Update the conditions on when to use addsi_small_int.
7609 2006-04-23 Roger Sayle <roger@eyesopen.com>
7612 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7613 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7614 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7616 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7618 * fold-const.c (range_predecessor): Use operand_equal_p
7619 as the predicate for equality.
7620 (range_successor): Likewise.
7622 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7625 * config/soft-fp/op-common.h: Fix a typo.
7627 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7630 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7631 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7633 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7635 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7637 * doc/tm.texi: Fix a typo.
7639 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7641 * dwarf2out.c (struct die_struct): Document that die_sib makes
7642 a circular linked list.
7643 (FOR_EACH_CHILD): New.
7644 (reverse_die_lists): Delete.
7645 (reverse_all_dies): Delete.
7646 (add_dwarf_attr): Correct documentation.
7647 (remove_child_with_prev): New.
7648 (remove_child_TAG): Update for change to die_struct, use
7649 remove_child_with_prev.
7650 (add_child_die): Update for change to die_struct.
7651 (splice_child_die): Use remove_child_with_prev and add_child_die.
7652 (print_die): Use FOR_EACH_CHILD.
7653 (die_checksum): Likewise.
7654 (assign_symbol_names): Likewise.
7655 (output_location_lists): Likewise.
7656 (build_abbrev_table): Likewise.
7657 (calc_die_sizes): Likewise.
7658 (mark_dies): Likewise.
7659 (unmark_dies): Likewise.
7660 (unmark_all_dies): Likewise.
7661 (output_die): Likewise.
7662 (prune_unused_types_mark): Likewise.
7663 (prune_unused_types_walk): Likewise.
7664 (same_die_p): Update for change to die_struct.
7665 (break_out_includes): Likewise.
7666 (prune_unused_types_prune): Likewise.
7667 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7668 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7670 (dwarf2out_finish): Don't call reverse_all_dies.
7672 2006-04-21 Eric Christopher <echristo@apple.com>
7674 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7675 in comments and function names.
7677 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7680 * c-typeck.c (digest_init): Robustify.
7682 * c-typeck.c (pop_init_level): Simplify.
7684 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7686 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7688 2006-04-21 Paul Brook <paul@codesourcery.com>
7690 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7691 hardware floating point.
7693 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7695 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7698 2006-04-21 Nick Clifton <nickc@redhat.com>
7700 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7703 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7706 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7707 C++ lang type in traceback table for Objective-C++.
7709 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7711 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7713 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7715 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7718 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7719 were errors. Remove check for erroneous objects.
7721 2006-04-20 Jeff Law <law@redhat.com>
7723 PR tree-optimization/26854
7724 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7725 checking for zero or one use.
7726 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7727 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7728 * tree-ssa-reassoc.c (negate_value): Similarly.
7729 (reassociate_bb): Similarly.
7731 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7733 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7734 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7735 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7737 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7739 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7740 fp regs if the last fp arg doesn't fit in regs.
7742 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7745 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7746 that the last insn has the REG_INC note.
7748 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7749 Nathan Sidwell <nathan@codesourcery.com>
7752 * stor-layout.c (update_alignment_for_field): Do not align
7754 (place_union_field): Place union field at the start of the union.
7755 (place_field): Move ERROR_MARK check later, and use the current
7756 allocation position to maintain monotonicity.
7758 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7760 * dominance.c: Include timevar.h.
7761 (calculate_dominance_info): Use TV_DOMINANCE.
7762 * timevar.def (TV_DOMINANCE): New timevar.
7763 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7765 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7767 PR rtl-optimization/14261
7768 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7769 move would be an INSV insn.
7770 (noce_process_if_block): Don't optimize if the destination is a
7771 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7773 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7775 * config/s390/s390.md: Add comments with the instructions emitted
7776 by an insn pattern if macros are used.
7778 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7780 PR rtl-optimization/26026
7781 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7782 is a known power of two shifted left a variable amount.
7784 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7786 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7787 to hash table twice when the debug_str section has SECTION_MERGE.
7789 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7791 * config/soft-fp: New directory. From glibc.
7792 * config/soft-fp/t-softfp: New.
7793 * config/soft-fp/README: New.
7794 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7795 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7796 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7797 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7798 * config.gcc: Use rs6000/t-fprules-fpbit or
7799 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7801 * config/rs6000/sfp-machine.h: New. Based on glibc.
7802 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7804 * config/rs6000/t-fprules: Remove fp-bit rules.
7805 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7806 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7807 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7808 (softfp_wrap_start, softfp_wrap_end): New.
7810 2006-04-18 DJ Delorie <dj@redhat.com>
7812 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7814 2006-04-18 Devang Patel <dpatel@apple.com>
7816 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7818 2006-04-18 Nick Clifton <nickc@redhat.com>
7820 * config/sh/t-symbian: Add rule to build sh-c.o
7821 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7822 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7823 (sh_symbian_encode_section_info): Likewise.
7825 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7827 * builtins.c (expand_builtin_strcmp): Cover label definition of
7828 do_libcall with HAVE_cmpstrnsi.
7830 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7832 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7834 * function.h (temp_slot_p): New.
7835 (function): Change the type of x_used_temp_slots to
7836 VEC(temp_slot_p,gc) *.
7838 2006-04-18 Nick Clifton <nickc@redhat.com>
7840 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7841 flag_strength_reduce.
7843 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7845 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7849 Partial revert of revision 112637
7850 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7851 Dale Johannesen <dalej@apple.com>
7854 * regclass.c (struct reg_pref): Update documentation.
7855 (regclass): Set prefclass to NO_REGS if memory is the best option.
7856 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7858 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7860 PR tree-optimization/26821
7861 * tree-ssa-math-opts.c (get_constant_one): New.
7862 (insert_reciprocals): Use it.
7864 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7866 * dwarf2out.c (free_AT): Delete.
7867 (remove_AT): Update string ref counts.
7868 (remove_child_TAG): Don't call free_die.
7870 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7871 or DW_TAG_GNU_EINCL.
7872 (prune_unused_types_walk_attribs): Reset string refcounts.
7873 (prune_unused_types_update_strings): New.
7874 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7875 call free_die. Do call prune_unused_types_update_strings.
7876 (prune_unused_types): Empty debug_str_hash.
7878 2006-04-17 Roger Sayle <roger@eyesopen.com>
7880 * expr.c (expand_assignment): Optimize away no-op moves where the
7881 source and destination are equal and have no side-effects.
7883 2006-04-17 Richard Guenther <rguenther@suse.de>
7886 * reload.c (push_reload): Guard calls to get_secondary_mem
7889 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7891 * alias.c (reg_base_value, old_reg_base_value): Change the
7892 type to VEC(rtx,gc) *.
7893 (REG_BASE_VALUE, find_base_value, record_set,
7894 init_alias_analysis): Use VEC instead of VARRAY.
7896 * alias.c (alias_sets): Change the type to
7897 VEC(alias_set_entry,gc) *.
7898 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7899 VEC instead of VARRAY.
7900 (last_alias_set): Remove.
7902 * cgraph.h (cgraph_edge_p): New.
7903 Update the prototype of cgraph_function_versioning.
7904 * cgraphunit.c (cgraph_copy_node_for_versioning,
7905 cgraph_function_versioning): Use VEC instead of VARRAY.
7906 * ipa-cp.c (ipcp_insert_stage): Likewise.
7908 2006-04-16 Roger Sayle <roger@eyesopen.com>
7911 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7912 "A op B" or "A op C", we may need to convert A to the type of B and C.
7914 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7916 * target.h (struct gcc_target): Add mode_rep_extended.
7917 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7918 (init_num_sign_bit_copies_in_rep): Initialize it using
7920 (truncate_to_mode): Use it.
7921 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7922 * targhooks.h (default_mode_rep_extended): Declare it.
7923 * targhooks.c (default_mode_rep_extended): Define it.
7924 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7925 default_mode_rep_extended.
7926 (TARGET_INITIALIZER): Include it.
7927 * doc/tm.texi (Misc): Document it.
7928 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7929 (mips_truncated_to_mode): New function.
7931 2006-04-16 Roger Sayle <roger@eyesopen.com>
7934 * expr.c (compress_float_constant): Copy the narrow constant into
7935 a new pseudo before extending it to its final width.
7937 2006-04-16 Roger Sayle <roger@eyesopen.com>
7938 Andrew Pinski <pinskia@gcc.gnu.org>
7939 Dale Johannesen <dalej@apple.com>
7942 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7943 special case code to implement V8HImode and V16QImode with SSE2.
7945 2006-04-15 Roger Sayle <roger@eyesopen.com>
7947 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7948 trees are constructed with a suitable tree type.
7950 2006-04-15 Roger Sayle <roger@eyesopen.com>
7952 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7953 (integer_onep): Likewise.
7954 (integer_all_onesp): Likewise.
7955 (integer_pow2p): Likewise.
7956 (integer_nonzerop): Likewise.
7957 (real_zerop): Likewise.
7958 (real_onep): Likewise.
7959 (real_twop): Likewise.
7960 (real_minus_onep): Likewise.
7961 (int_size_in_bytes): Likewise.
7962 (host_integerp): Likewise.
7964 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7966 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7967 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7968 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7970 * tree-ssa-structalias.h (alias_info): Remove num_references.
7972 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7974 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7975 (output_bvb patterns): Likewise.
7976 * pa.c (output_bb): Use 'bb' insn for long branch case.
7977 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7978 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7979 1. Correct length operand for alternatives 1 and 2.
7980 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7981 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7983 2006-04-14 Roger Sayle <roger@eyesopen.com>
7985 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7986 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7987 were accidentally reverted by r112959.
7989 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7992 * except.h (eh_region_outermost): New prototype.
7993 * except.c (eh_region_outermost): New function.
7994 * tree-cfg.c (find_outermost_region_in_block): Use it.
7996 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7998 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8000 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8001 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8002 (init_reload, reload): Use VEC instead of VARRAY.
8003 * reload.h: Update the prototype for
8004 reg_equiv_memory_loc_varray.
8006 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8007 Eric Botcazou <ebotcazou@libertysurf.fr>
8009 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8012 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8015 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8016 to expand fallback builtin function call.
8018 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8021 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8022 and emit libcall here in case the builtin fails.
8023 (expand_builtin_strcmp): Always emit the libcall here on failure.
8025 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8027 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8028 * flow.c (reg_n_info): Change the type to
8029 VEC(reg_info_p,heap) *.
8030 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8032 * regs.h (reg_info_p): New.
8033 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8034 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8035 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8038 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8040 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8042 * params.h (MAX_SCHED_READY_INSNS): New macro.
8043 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8044 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8045 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8046 the ready list for 1 cycle during the first scheduling pass.
8047 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8049 2006-04-13 Richard Henderson <rth@redhat.com>
8052 * gimple-low.c (lower_omp_directive): Remove dead code.
8053 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8054 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8055 * omp-low.c (struct omp_region): Move to tree-flow.h.
8056 (root_omp_region): Export.
8057 (omp_regions, lookup_omp_region): Remove.
8058 (determine_parallel_type): Update for struct omp_region changes.
8059 (dump_omp_region): Dump regions with block numbers.
8060 (new_omp_region): Take type and block instead of stmt; malloc
8062 (free_omp_region_1, free_omp_regions): New.
8063 (expand_parallel_call): Take entry_stmt as argument; update for
8064 changes to omp_region.
8065 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8066 (remove_exit_barriers): New.
8067 (expand_omp_parallel): Update for struct omp_region changes.
8068 (expand_omp_synch): Likewise.
8069 (expand_omp): Likewise.
8070 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8071 (expand_omp_for_static_chunk): Likewise.
8072 (expand_omp_for): Likewise.
8073 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8074 (expand_omp_sections): Similarly, with GOMP_sections_end.
8075 (expand_omp_single): New.
8076 (build_omp_regions_1): Update for OMP_CONTINUE.
8077 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8078 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8079 OMP_SECTIONS_SECTIONS.
8080 (lower_omp_single_simple): Don't emit barrier here.
8081 (lower_omp_single_copy): Likewise.
8082 (lower_omp_single): Fix bindings, and lower to straightline now.
8083 (lower_omp_master, lower_omp_ordered): Likewise.
8084 (lower_omp_critical): Likewise.
8085 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8086 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8087 omp edges, free it afterward.
8088 (make_omp_sections_edges): Remove.
8089 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8090 (move_stmt_r): Handle OMP_CONTINUE.
8091 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8092 statement pointers to basic blocks. Add type member.
8093 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8094 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8095 * tree-inline.c (estimate_num_insns_1): Likewise.
8096 * tree-pretty-print.c (dump_generic_node): Likewise.
8097 * tree-ssa-operands.c (get_expr_operands): Likewise.
8098 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8099 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8100 (OMP_CONTINUE): New.
8101 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8102 (OMP_SECTIONS_SECTIONS): Remove.
8103 (OMP_SECTION_LAST): New.
8104 (OMP_RETURN_NOWAIT): New.
8106 2006-04-13 Roger Sayle <roger@eyesopen.com>
8108 * fold-const.c (native_encode_vector, native_interpret_real):
8109 Correct obvious mistakes in the previous check-in.
8111 2006-04-13 Roger Sayle <roger@eyesopen.com>
8113 * fold-const.c (native_encode_expr): New function to encode
8114 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8115 or VECTOR_CST into a specified buffer.
8116 (native_encode_int): New function.
8117 (native_encode_real): New function.
8118 (native_encode_complex): New function.
8119 (native_encode_vector): New function.
8120 (native_interpret_expr): Inverse of native_encode_expr to convert
8121 a target representation into an INTEGER_CST, REAL_CST etc...
8122 (native_interpret_int): New function.
8123 (native_interpret_real): New function.
8124 (native_interpret_complex): New function.
8125 (native_interpret_vector): New function.
8126 (fold_view_convert_expr): New function to constant fold/evaluate
8127 a VIEW_CONVERT_EXPR of a suitable constant expression.
8128 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8129 Change call of build1 to fold_build1 when constructing a
8132 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8133 Ulrich Weigand <uweigand@de.ibm.com>
8136 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8139 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8142 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8143 optimize to lo_sum for DFmode if !TARGET_FPRS.
8145 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8147 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8148 delete_alias_info, compute_flow_sensitive_aliasing,
8149 group_aliases): Use VEC instead of VARRAY.
8150 * tree-ssa-structalias.c (update_alias_info): Likewise.
8151 * tree-ssa-structalias.h (alias_info): Change the type of
8152 processed_ptrs to VEC(tree,heap) *.
8154 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8157 * config/sh/lib1funcs.h: New file, broken out of:
8158 * config/sh/lib1funcs.asm.
8159 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8161 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8162 * config/sh/lib1funcs-Os-4-200.asm: New file.
8163 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8164 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8165 (EXTRA_MULTILIB_PARTS): Include it.
8166 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8167 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8168 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8169 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8172 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8174 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8175 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8176 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8178 * tree-ssa-live.h: Include vecprim.h.
8179 (tree_partition_associator_d): Change the type of
8180 first_partition to VEC(int,heap) *.
8181 (tpa_first_partition): Use VEC instead of VARRAY.
8183 * Makefile.in (GTFILES): Move functions.h after tree.h.
8184 * function.c (reset_block_changes, record_block_change,
8185 check_block_change, free_block_changes): Use VEC instead of
8187 * function.h (function): Change the type of
8188 ib_boundaries_block to VEC(tree,gc) *.
8189 * tree-inline.c (copy_cfg_body): Initialize
8190 ib_boundaries_block to NULL instead of (varray_type) 0.
8192 2006-04-12 Roger Sayle <roger@eyesopen.com>
8194 * expr.c (emit_group_store): Correct operand order in call to
8195 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8196 a SUBREG_BYTE of zero.
8198 2006-04-12 Richard Guenther <rguenther@suse.de>
8200 * profile.c (compute_branch_probabilities): Remove code
8201 encapsulated in !ir_type (), which are remanents of the
8202 removed RTL profiling code.
8203 * rtl-profile.c: Remove.
8205 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8207 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8208 magic NULL_RTX comment.
8209 (function_arg): Store entire fp arg to mem if any part should go
8211 (rs6000_arg_partial_bytes): Adjust for above change.
8213 2006-04-11 Roger Sayle <roger@eyesopen.com>
8215 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8216 if it hasn't been initialized by dwarf2out_init.
8218 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8220 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8221 symbolic constants in branch patterns.
8223 2006-04-11 Roger Sayle <roger@eyesopen.com>
8225 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8227 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8229 PR rtl-optimization/27073
8230 * gcse.c (try_replace_reg): Revert last change. Continue to search
8231 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8234 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8236 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8237 aggregate types other than record and union types.
8238 (function_arg): Likewise.
8239 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8241 (function_value): In 64-bit mode, return objects that require it
8244 2006-04-11 Roger Sayle <roger@eyesopen.com>
8246 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8248 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8250 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8252 2006-04-03 Jeff Law <law@redhat.com>
8255 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8256 alias information too.
8258 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8260 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8262 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8265 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8266 (premark_used_types_helper): New.
8267 (premark_used_types): New.
8268 (gen_subprogram_die): Call premark_used_types.
8269 (prune_unused_types_walk): Do not prune perennial dies.
8270 * function.c (used_types_insert): New.
8271 * function.h (struct function): Add used_types_hash field.
8272 (used_types_insert): Add prototype.
8273 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8274 * c-parser.c (c_parser_cast_expression): Save casted types in used
8277 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8280 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8281 rs6000_explicit_options.float_gprs.
8283 2006-04-10 Roger Sayle <roger@eyesopen.com>
8285 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8286 from ix86_expand_vector_init_low_nonzero. Take an additional
8287 one_var argument indicating which element is non-zero. Support
8288 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8289 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8290 with one_var instead of ix86_expand_vector_init_low_nonzero.
8292 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8294 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8295 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8296 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8297 build/genextract.o): Depend on vecprim.h.
8298 * cfglayout.c, df-problems.c, function.c, genextract.c,
8299 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8300 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8304 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8306 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8307 Declare VECs of this type.
8308 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8309 (remove_children): Delete.
8310 (add_dwarf_attr): Use VEC routines.
8311 (add_AT_flag): Update for changes to add_dwarf_attr.
8312 (add_AT_int): Likewise.
8313 (add_AT_unsigned): Likewise.
8314 (add_AT_long_long): Likewise.
8315 (add_AT_vec): Likewise.
8316 (add_AT_string): Likewise.
8317 (add_AT_die_ref): Likewise.
8318 (add_AT_fde_ref): Likewise.
8319 (add_AT_loc): Likewise.
8320 (add_AT_loc_list): Likewise.
8321 (add_AT_addr): Likewise.
8322 (add_AT_lbl_id): Likewise.
8323 (add_AT_lineptr): Likewise.
8324 (add_AT_macptr): Likewise.
8325 (add_AT_offset): Likewise.
8326 (add_AT_range_list): Likewise.
8327 (get_AT): Use VEC_iterate.
8328 (remove_AT): Use VEC_ordered_remove.
8329 (free_die): Fold remove_children into here; have it use VEC_iterate.
8330 (print_die): Use VEC_iterate on attrs.
8331 (reverse_die_lists): Don't reverse attr lists.
8332 (die_checksum): Use VEC_iterate on attrs.
8333 (same_die_p): Likewise.
8334 (output_location_lists): Likewise.
8335 (build_abbrev_table): Likewise.
8336 (size_of_die): Likewise.
8337 (unmark_all_dies): Likewise.
8338 (output_abbrev_section): Likewise.
8339 (output_die): Likewise.
8340 (prune_unused_types_walk_attribs): Likewise.
8342 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8344 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8346 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8349 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8351 2006-04-09 Roger Sayle <roger@eyesopen.com>
8353 * expr.c (store_constructor): Don't bother clearing target if
8354 we're about to assign a vector to it using vec_init_optab.
8356 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8358 * tree-ssa-alias.c (lhs_may_store_to): New function.
8359 (recalculate_used_alone): Handle LHS of calls.
8361 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8365 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8366 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8367 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8368 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8369 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8370 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8371 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8372 stubs. Add ".align 8" directives before all ".dword" directives.
8373 (GTHREAD_USE_WEAK): Revise comment.
8374 (TARGET_ATTRIBUTE_WEAK): Define.
8375 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8376 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8377 * stublib.c: New file.
8382 * pa.md (cbranch patterns): Revise arguments used in calls to
8383 output_cbranch, output_bb and output_bvd. Add long branch length
8385 (fbranch patterns): Handle long branches.
8386 (jump): Revise length check. Revise arguments for output_lbranch call.
8387 Add long branch length attributes.
8388 (decrement_and_branch_until_zero): Add long branch length attributes.
8389 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8390 Likewise. Revise arguments for output_parallel_addb and
8391 output_parallel_movb calls.
8392 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8393 output_parallel_movb and output_parallel_addb): Update prototypes.
8394 * pa.c (output_cbranch): Revise arguments. Correct handling of
8395 nullification in long branches.
8396 (output_lbranch): Add new argument to control extraction of delay
8398 (output_bb): Handle long branches.
8399 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8400 output_parallel_addb): Likewise.
8402 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8404 PR rtl-optimization/27073
8405 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8408 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8410 * tree.h (tree_memory_tag): Add old_used_alone.
8411 (SMT_OLD_USED_ALONE): New macro.
8412 * tree-ssa-alias.c (recalculate_used_alone): Stop
8413 marking things for renaming unnecessarily.
8415 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8417 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8418 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8419 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8420 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8421 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8422 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8423 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8424 spelling convensions.
8425 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8426 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8427 typos. Follow spelling conventions.
8429 2006-04-07 DJ Delorie <dj@redhat.com>
8431 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8432 passed on the stack.
8433 (m32c_init_cumulative_args): When a function returns a structure,
8434 always pass the pointer to that return area on the stack.
8435 (m32c_function_arg_advance): Don't increment the parameter number
8436 if we're processing the returned structure pointer.
8437 (pushm_info): Reverse order of registers.
8439 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8441 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8442 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8443 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8444 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8446 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8447 chrec_fold_multiply): Same.
8448 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8449 force_expr_to_var_cost): Same.
8450 * tree-mudflap.c (mf_xform_derefs_1): Same.
8451 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8453 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8455 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8456 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8459 2006-04-07 Jan Hubicka <jh@suse.cz>
8461 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8463 2006-04-07 Richard Guenther <rguenther@suse.de>
8465 PR tree-optimization/26135
8466 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8467 loads for store copy-prop.
8468 (copy_prop_visit_stmt): Likewise.
8470 2006-04-05 Robert Millan <robertmh@gnu.org>
8472 * config/i386/linux.h: Add a comment to mark macros that are
8473 being overriden in config/k*bsd-gnu.h.
8474 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8476 * config/knetbsd-gnu.h: Ditto.
8478 2006-04-06 Jan Hubicka <jh@suse.cz>
8482 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8485 2006-04-06 Mike Stump <mrs@apple.com>
8487 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8488 for HAVE_nonlocal_goto to be consistent.
8489 (expand_builtin_nonlocal_goto): Likewise.
8490 (expand_builtin_strcmp): Use #ifdef instead of #if
8491 for HAVE_cmpstrnsi to be consistent.
8493 2006-04-05 DJ Delorie <dj@redhat.com>
8495 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8498 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8500 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8501 got-relative addressing for anything but SImode.
8503 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8504 even if the calling function doesn't modify them.
8506 2006-04-05 Richard Guenther <rguenther@suse.de>
8508 PR tree-optimization/26919
8509 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8510 to cgraph_estimate_size_after_inlining.
8512 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8514 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8516 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8518 PR tree-optimization/26996
8519 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8520 VECTOR_TYPE variables.
8522 2006-04-05 Richard Guenther <rguenther@suse.de>
8524 PR tree-optimization/26763
8525 * fold-const.c (fold_comparison): Move folding of
8526 PTR + CST CMP PTR + CST ...
8527 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8529 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8531 * doc/install.texi (Prerequisites): Refine some wording on
8532 bootstrapping and ksh.
8533 Move the version numbers of DejaGnu here from the testing section
8534 and fix casing of names.
8535 Fix markup and clarify wording for autogen requirements.
8536 Refer to GCJ instead of just java.
8537 Refer to SVN instead of CVS.
8538 Describe diffutils as useful instead of necessary.
8539 (Downloading the source): Refer to SVN instead of CVS.
8540 Adjust a link to our web site accordingly.
8541 (Configuration): Fix casing of Bison.
8542 (Building): Refer to SVN instead of CVS.
8543 Fix a sentence on the use of Bison and remove duplicate (and
8544 incorrect) version number of Bison requirement.
8545 Remove one redundant list of packages needed for building.
8546 (Specific): Avoid reference to CVS.
8548 2006-04-04 Eric Christopher <echristo@apple.com>
8550 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8551 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8552 (rs6000_handle_struct_attribute): New.
8553 (rs6000_ms_bitfield_layout_p): Ditto.
8555 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8557 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8558 NULL for dso parameter to atexit_common.
8560 2006-04-04 Eric Christopher <echristo@apple.com>
8562 * config/i386/i386.c (machopic_output_stub): Output \t
8563 between instructions and operands.
8565 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8567 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8568 satisfies_constraint_[IL] to explicit tests on value.
8570 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8572 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8573 set_nb_iterations_in_loop): Use build_int_cst instead of
8575 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8576 build_int_cst instead of convert.
8578 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8580 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8581 new value 2 for incoming.
8582 * function.c (expand_function_start): Call struct_value_rtx
8584 * config/sparc/sparc.md: Comment updated_return.
8585 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8586 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8587 struct return if sparc_std_struct_return and incoming is 2.
8588 (print_operand): Do not adjust return if
8589 sparc_std_struct_return.
8591 2006-04-04 Roger Sayle <roger@eyesopen.com>
8593 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8594 convert in the middle-end.
8595 * expr.c (store_expr, store_constructor, get_inner_reference,
8596 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8598 * tree.c (build_range_type): Likewise.
8600 2006-04-04 Tom Tromey <tromey@redhat.com>
8602 * doc/install.texi (Prerequisites): Mention jar.
8604 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8606 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8609 2006-04-04 Matthias Klose <doko@debian.org>
8611 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8615 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8618 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8620 * doc/extend.texi (Function Attributes): Rewrite visibility
8621 attribute documentation.
8622 * doc/invoke.texi (C++ Dialect Options): Rewrite
8623 -fvisibility-inlines-hidden documentation to describe something
8624 entirely different, although in practise compatible.
8625 (Code Gen Options): Warn about system headers in -fvisibility=
8628 * doc/extend.texi (Other Builtins): Document that
8629 __builtin_nan is a compile-time constant only when its argument
8632 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8634 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8635 trying to remove TRUNCATE check if all bits outside the new mode
8636 are identical to the sign bit.
8638 2006-04-03 Jeff Law <law@redhat.com>
8640 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8641 and operand scanning in some common cases.
8643 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8644 Dale Johannesen <dalej@apple.com>
8647 * regclass.c (struct reg_pref): Update documentation.
8648 (regclass): Set prefclass to NO_REGS if memory is the best option.
8649 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8650 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8651 into account. For non-registers, equate an empty preferred
8652 reload class to a `!' in the constraint; move the if clause to
8653 do so after those that reject the insn.
8654 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8656 (find_dummy_reload): Likewise.
8657 * doc/tm.texi (Register Classes): Document what it means
8658 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8659 * config/i386/i386.c (ix86_preferred_reload_class): Force
8660 using SSE registers (and return NO_REGS for floating-point
8661 constants) if math is done with SSE.
8662 (ix86_preferred_output_reload_class): New.
8663 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8664 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8665 * config/i386/i386.md: Remove # register preferences.
8667 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8670 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8671 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8672 the type of nb_iter.
8673 (instantiate_parameters_1): Convert the operands before calling
8674 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8675 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8677 2006-04-02 Roger Sayle <roger@eyesopen.com>
8679 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8680 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8682 * dojump.c (do_jump): Likewise.
8683 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8684 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8685 gimplify_boolean_expr): Likewise.
8686 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8687 * varasm.c (array_size_for_constructor): Likewise.
8688 * tree-object-size.c (compute_object_offset): Likewise.
8690 2006-04-02 Roger Sayle <roger@eyesopen.com>
8693 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8694 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8696 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8698 PR tree-optimization/26939
8699 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8701 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8703 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8704 at_stmt. Convert the type of operands before calling
8705 build_polynomial_chrec.
8706 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8708 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8709 (instantiate_parameters_1): Convert the type of operands before calling
8710 build_polynomial_chrec.
8711 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8712 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8713 reset_evolution_in_loop): Insert asserts to check the types of the
8715 (chrec_type): Moved...
8716 (eq_evolutions_p): Use operand_equal_p.
8717 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8718 the types of the operands.
8719 (chrec_type): ...here.
8720 * tree-data-ref.c (create_data_ref): Convert the operands before
8721 calling chrec_replace_initial_condition.
8722 (same_access_functions, analyze_subscript_affine_affine,
8723 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8724 (compute_subscript_distance, analyze_ziv_subscript,
8725 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8726 analyze_miv_subscript): Convert the operands before calling
8727 chrec_fold_minus or chrec_fold_plus.
8729 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8731 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8732 the dependence_relations vector.
8733 (compute_data_dependences_for_loop): Adjust call to
8734 compute_all_dependences.
8736 2006-04-01 Roger Sayle <roger@eyesopen.com>
8737 Richard Henderson <rth@redhat.com>
8739 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8740 gimple_boolify on the condition before calling gimplify_expr.
8742 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8744 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8745 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8746 the frame size. Update to use the new macros.
8747 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8748 * config/xtensa/ieee754-df.S: Likewise.
8750 2006-03-31 Richard Henderson <rth@redhat.com>
8752 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8753 (make_edges): ... here. Control fallthru creation with a local
8754 variable. Do not play with fake edges.
8755 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8756 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8759 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8761 * dwarf2.h (DW64_CIE_ID): Define.
8762 * dwarf2out.c (DWARF_CIE_ID): Define.
8763 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8764 length header. Use DWARF_CIE_ID.
8765 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8766 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8768 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8770 * config/sh/linux-atomic.asm: New file.
8771 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8773 2006-03-31 DJ Delorie <dj@redhat.com>
8775 * config/m32c/cond.md: Set condition flags properly throughout.
8776 * config/m32c/minmax.md: Likewise.
8777 * config/m32c/prologue.md: Likewise.
8778 * config/m32c/bitops.md: Likewise.
8779 * config/m32c/muldiv.md: Likewise.
8780 * config/m32c/mov.md: Likewise.
8781 * config/m32c/addsub.md: Likewise.
8782 * config/m32c/m32c.md: Likewise.
8783 * config/m32c/jump.md: Likewise.
8784 * config/m32c/shift.md: Likewise.
8786 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8787 conditionally output the pattern for this.
8788 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8789 (m32c_compare_redundant): New.
8790 (m32c_output_compare): New.
8791 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8793 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8794 dest, not src. Allow other 4-byte modes.
8796 2006-03-30 Denis Chertykov <denisc@overta.ru>
8798 * doc/md.texi: Refer to avr/constraints.md instead of
8801 2006-03-30 Roger Sayle <roger@eyesopen.com>
8803 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8804 signed vs. unsigned comparison failures on some hosts.
8806 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8809 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8810 change to FLOAT_REGS.
8812 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8813 (rs6000_override_options): Use it.
8814 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8815 only for -mabi=spe/no-spe and -mabi=altivec.
8817 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8819 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8822 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8824 * Makefile.in: Rename docdir to gcc_docdir.
8826 2006-03-30 Roger Sayle <roger@eyesopen.com>
8829 * expr.c (emit_group_store): Optimize group stores into a pseudo
8830 register by using a paradoxical subreg to initialize the destination
8831 if the first or last member of the group specifies a "low part".
8833 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8836 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8837 * target.h (struct gcc_target.speculate_insn): Change type of the
8838 second parameter to 'int'.
8839 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8840 the second operand of the DEPS_LIST.
8841 (copy_DEPS_LIST_list): Update reference to the second operand of the
8843 * rtl.h (alloc_DEPS_LIST): Update signature.
8844 * sched-int.h (ds_t): Change typedef to 'int'.
8845 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8847 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8849 * haifa-sched.c (try_ready): Change condition to restore
8850 non-speculative pattern of the instruction.
8851 (process_insn_depend_be_in_spec): Code to keep probability of the
8852 speculative dependence non-decreasing.
8854 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8856 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8857 (single_move_for_movmem): ... this. Also change all uses.
8858 (bfin_expand_strmov): Renamed to...
8859 (bfin_expand_movmem): ... this. Also change all uses.
8860 * config/bfin/bfin.md (movstrsi): Renamed to...
8861 (movstrsi): ...this.
8863 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8865 PR tree-optimization/26830
8867 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8868 (copy_prop_visit_stmt): Remove write-only variable ann.
8869 (init_copy_prop): Check variable loop depth here. Do not simulate
8870 memory-tag and virtual operand PHIs except for store copy prop.
8872 2006-03-30 Richard Guenther <rguenther@suse.de>
8874 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8875 variants with double arguments.
8877 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8879 * genpreds.c (write_tm_constrs_h): Delete variable p.
8880 * genconditions.c (write_header): Add tm-constrs.h to included
8882 * genpeep.c (main): Add toplev.h to included headers.
8883 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8884 (build/genpeep.o): Add toplev.h dependency.
8885 * config/rs6000/constraints.md: Add "W" constraint.
8887 2006-03-29 Roger Sayle <roger@eyesopen.com>
8889 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8890 sizes by correctly testing whether the size fits a host integer.
8891 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8892 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8893 SImode range for the default sizetype and bitsizetype.
8895 2006-03-29 Roger Sayle <roger@eyesopen.com>
8897 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8898 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8899 quickly if the argument is already of the correct type.
8900 Call fold_build1 instead of build1. Tidy up blank lines.
8902 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8904 * genemit.c (main): Add tm-constrs.h to included headers.
8905 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8906 * genpeep.c (main): Add tm-constrs.h to included headers.
8907 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8908 (write_tm_constrs_h): this and write complete file.
8909 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8910 (write_insn_preds_c): Add tm-constrs.h to included headers.
8911 (gen_constrs): New variable.
8912 (parse_option): Parse "-c".
8913 (main): Invoke write_tm_constrs_h.
8914 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8915 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8916 (object_out_file): Add tm-constrs.h dependency.
8917 (insn-emit.o): Same.
8918 (insn-output.o): Same.
8919 (insn-peep.o): Same.
8920 (insn-preds.o): Same.
8921 (insn-recog.o): Same.
8922 (tm-constsr.h): New target.
8923 (s-constrs-h): New target.
8925 * config/rs6000/constraints.md: New file.
8926 * config/rs6000/rs6000.c: Include tm-constrs.h.
8927 (num_insn_constant_wide): Convert to satisfies_constraint.
8928 (rs6000_rtx_costs): Convert to satisfies_constraint.
8929 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8930 (CONST_OK_FOR_LETTER_P): Delete.
8931 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8932 (EXTRA_CONSTRAINT): Delete.
8933 (EXTRA_MEMORY_CONSTRAINT): Delete.
8934 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8935 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8936 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8937 satisfies_constraint.
8939 * config/i386/i386.c: Include tm-constrs.h.
8941 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8943 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8944 * tree-data-ref.c (find_data_references_in_loop,
8945 compute_data_dependences_for_loop): Use pointers to VEC.
8946 (analyze_all_data_dependences): Adjust calls.
8947 * tree-data-ref.h (find_data_references_in_loop,
8948 compute_data_dependences_for_loop): Adjust declarations.
8949 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8950 compute_data_dependences_for_loop.
8952 2006-03-29 Paul Brook <paul@codesourcery.com>
8954 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8957 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8959 PR tree-optimization/26859
8960 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8962 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8963 for the step after fold_convert.
8965 2006-03-29 Paul Brook <paul@codesourcery.com>
8967 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8968 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8970 2006-03-29 Paul Brook <paul@codesourcery.com>
8973 * targhooks.c (default_narrow_bitfield): New fuction.
8974 * targhooks.h (default_narrow_bitfield): add prototype.
8975 * target.h (gcc_target): Add narrow_volatile_bitfield.
8976 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8977 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8978 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8979 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8981 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8983 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8985 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8986 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8987 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8988 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8989 (s390_function_arg_float): Allow SDmode and DDmode values to be
8990 passed in floating point registers.
8991 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8992 check with SCALAR_FLOAT_MODE_P.
8993 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8995 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8997 PR tree-optimization/25985
8998 * tree-ssa-loop-niter.c (number_of_iterations_le,
8999 number_of_iterations_ne): Make comments more precise.
9000 (number_of_iterations_cond): Add only_exit argument. Use the
9001 fact that signed variables do not overflow only when only_exit
9003 (loop_only_exit_p): New.
9004 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9005 number_of_iterations_cond.
9007 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9009 PR tree-optimization/26643
9010 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9013 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9015 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9016 (divsi3_i4_int): Likewise.
9018 2006-03-28 Roger Sayle <roger@eyesopen.com>
9020 * expr.c (emit_group_store): Only create a new pseudo reg if the
9021 quantity it needs to hold isn't already a suitable pseudo.
9023 2006-03-28 Jeff Law <law@redhat.com>
9025 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9026 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9028 2006-03-28 Roger Sayle <roger@eyesopen.com>
9030 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9031 the equivalent ~X & Y, and the symmetry related transformations.
9032 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9033 ~X & Y, and symmetry related transforms.
9035 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9037 Revert my 2006-03-27 patches.
9039 2006-03-28 Roger Sayle <roger@eyesopen.com>
9041 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9042 ~(T1)X, when T1 and T2 are integer types of the same precision
9043 and (T2)X isn't an extension.
9045 2006-03-28 Jeff Law <law@redhat.com>
9047 PR tree-optimization/26796
9048 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9049 need EH edge cleanups rather than purging them immediately.
9050 (eliminate_degenerate_phis): Handle queued EH cleanups.
9052 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9054 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9057 2006-03-27 Roger Sayle <roger@eyesopen.com>
9060 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9061 cast BIT_NOT_EXPR operand to the correct type.
9063 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9065 * tree-loop-linear.c: Don't include varray.h.
9066 (gather_interchange_stats, try_interchange_loops,
9067 linear_transform_loops): Use VEC instead of VARRAY.
9068 * lambda-mat.c: Don't include varray.h.
9069 * tree-chrec.c: Same.
9070 * lambda-trans.c: Same.
9071 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9072 VEC instead of VARRAY.
9073 * tree-vectorizer.h: Idem.
9074 * tree-data-ref.c (dump_data_references,
9075 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9076 initialize_data_dependence_relation, finalize_ddr_dependent,
9077 compute_all_dependences, find_data_references_in_loop,
9078 compute_data_dependences_for_loop, analyze_all_data_dependences,
9079 free_dependence_relation, free_dependence_relations,
9080 free_data_refs): Idem.
9081 * tree-data-ref.h (data_reference_p, subscript_p): New.
9082 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9083 VEC instead of VARRAY.
9084 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9085 (find_data_references_in_loop, compute_data_dependences_for_loop,
9086 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9087 dump_data_dependence_relations, free_dependence_relations,
9088 free_data_refs): Adjust declaration.
9089 (lambda_transform_legal_p): Move declaration here...
9090 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9091 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9092 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9093 vect_analyze_data_refs): Use VEC instead of VARRAY.
9094 * lambda.h (lambda_transform_legal_p): ...from here.
9095 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9096 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9097 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9098 tree-chrec.o): Don't depend on VARRAY_H.
9100 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9102 * rtl.def (Copyright): Update date.
9103 (DEPS_LIST): Change type of the second operand to 'int'.
9104 * target.h (Copyright): Update date.
9105 (struct gcc_target.speculate_insn): Change type of the second parameter
9107 * lists.c (Copyright): Update date.
9108 (alloc_DEPS_LIST): Change signature. Update reference to the second
9109 operand of the DEPS_LIST.
9110 (copy_DEPS_LIST_list): Update reference to the second operand of the
9112 * rtl.h (Copyright): Update date.
9113 (alloc_DEPS_LIST): Update signature.
9114 * sched-int.h (Copyright): Update date.
9115 (ds_t): Change typedef to 'int'.
9116 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9118 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9120 * haifa-sched.c (Copyright): Update date.
9121 (try_ready): Change condition to restore non-speculative pattern
9123 (process_insn_depend_be_in_spec): Code to keep probability of the
9124 speculative dependence non-decreasing.
9126 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9128 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9129 shut up the compiler.
9131 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9133 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9134 to use lib prefix for target.
9135 ($(T)libic_invalidate_array_4-200.a): Likewise.
9136 ($(T)libic_invalidate_array_4a.a): Likewise.
9138 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9139 J"orn Rennecke <joern.rennecke@st.com>
9141 * superh.opt: New file.
9142 * sh.c (boardtype, osruntime): Remove.
9143 * superh.h (SUBTARGET_OPTIONS): Remove.
9144 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9146 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9147 arguments with ^ and/or [].
9149 * config.gcc (sh-*-*): Add quoting to account for quirk of
9151 Replace == with = in enable_incomplete_targets test.
9153 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9154 with MASK_LITTLE_ENDIAN.
9156 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9157 * config/sh/sh.opt: Added to some comments.
9158 * config/sh/superh.h: Removed some chaff.
9160 * config/sh/sh.opt: Add m4-[1234]00* options.
9161 * config/sh/sh.c (sh_handle_option): Likewise.
9162 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9163 (ic_invalidate_array_4-100.o): New rule.
9164 ($(T)libic_invalidate_array_4-100.a): Likewise.
9165 (ic_invalidate_array_4-200.o): Likewise.
9166 ($(T)libic_invalidate_array_4-200.a): Likewise.
9167 (ic_invalidate_array_4a.o): Likewise.
9168 ($(T)libic_invalidate_array_4a.a): Likewise.
9169 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9170 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9172 * config/sh/crt1.asm: Merged in profiling code.
9173 * config/sh/superh.h (STARTFILE_SPEC): Override.
9174 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9175 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9176 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9178 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9179 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9180 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9182 * sh.opt (mpretend-cmove): New option.
9183 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9184 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9185 (movsicc): Add TARGET_PRETEND_CMOVE code.
9187 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9189 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9190 s390_class_max_nregs): New function prototypes.
9191 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9192 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9193 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9194 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9196 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9198 * dwarf2out.c (add_location_or_const_value_attribute): Call
9199 tree_add_const_value_attribute if nothing else works.
9200 (reference_to_unused): New.
9201 (rtl_for_decl_init): Use reference_to_unused to decide whether
9202 to output an initializer.
9204 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9207 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9208 peephole removing spe frob_di_df_2.
9210 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9212 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9213 (subscript_dependence_tester_1): Declared.
9214 (print_dir_vectors, print_dist_vectors): New.
9215 (debug_data_dependence_relation): New.
9216 (dump_data_dependence_relation): Print more details.
9217 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9218 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9219 (save_dist_v, save_dir_v, add_outer_distances,
9220 build_classic_dist_vector_1): New.
9221 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9222 Don't test for lambda_vector_lexico_pos.
9223 (same_access_functions, add_multivariate_self_dist,
9224 add_other_self_distances, dir_from_dist): New.
9225 (build_classic_dir_vector): Replace implementation almost identical to
9226 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9228 (subscript_dependence_tester_1): New.
9229 (subscript_dependence_tester): Handle the lexicographically negative
9230 distance vectors by recomputing the dependence relation.
9231 (compute_affine_dependence): Remove parameter loop_nest_depth.
9232 (compute_self_dependence): Don't call compute_subscript_distance.
9233 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9234 Add a parameter for the loop_nest.
9235 (find_loop_nest_1, find_loop_nest): New.
9236 (compute_data_dependences_for_loop): Compute the loop nest, and give
9237 up if the nest is not well formed.
9238 * tree-data-ref.h (loop_p): New.
9239 (struct data_dependence_relation): Replace size_vect field with
9240 loop_nest, a vec of loops.
9241 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9242 (DDR_LOOP_NEST): New.
9243 (print_dir_vectors, print_dist_vectors,
9244 debug_data_dependence_relation): Declared.
9245 (index_in_loop_nest): New.
9246 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9247 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9250 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9252 * simplify-rtx.c (simplify_relational_operation): Call
9253 simplify_relational_operation_1 even if mode is VOIDmode.
9255 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9257 PR tree-optimization/26804
9258 * tree.h (DECL_CALL_CLOBBERED): New macro.
9259 (tree_decl_common): Add call_clobbered_flag.
9260 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9261 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9262 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9263 (mark_non_addressable): Ditto.
9264 * tree-ssa.c (verify_call_clobbered): New function.
9265 (verify_alias_info): Use it.
9266 * tree-pass.h (pass_reset_cc_flags): New prototype.
9267 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9268 (reset_cc_flags): New function.
9269 * passes.c (init_optimization_passes): Call reset_cc_flags after
9270 initializing referenced_vars.
9272 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9273 Roger Sayle <roger@eyesopen.com>
9276 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9277 to 1.0 for non-real operands. Implement A / A optimization for
9280 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9282 * config/i386/i386.c (size_cost): Correct the comment for
9283 cost of storing fp registers.
9284 (i386_cost): Likewise.
9285 (i486_cost): Likewise.
9286 (pentium_cost): Likewise.
9287 (pentiumpro_cost): Likewise.
9288 (k6_cost): Likewise.
9289 (athlon_cost): Likewise.
9290 (k8_cost): Likewise.
9291 (pentium4_cost): Likewise.
9292 (nocona_cost): Likewise.
9293 (generic64_cost): Likewise.
9294 (generic32_cost): Likewise.
9296 2006-03-24 Denis Chertykov <denisc@overta.ru>
9298 * config/avr/avr-protos.h (extra_constraint): Delete.
9299 (extra_constraint_Q): New declaration.
9300 * config/avr/constraints.md: New file.
9301 * config/avr/avr.md: Include it.
9302 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9303 (TMP_REGNO, ZERO_REGNO): Likewise.
9304 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9305 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9306 (extra_constraint): Delete.
9307 (extra_constraint_Q): Test for memory constraint 'Q'.
9308 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9309 (REG_CLASS_FROM_LETTER): Delete.
9310 (CONST_OK_FOR_LETTER_P): Delete.
9311 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9312 (EXTRA_CONSTRAINT): Delete.
9313 (TMP_REGNO): Delete.
9314 (ZERO_REGNO): Delete.
9316 2006-03-24 Jeff Law <law@redhat.com>
9318 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9319 directly. Call mark_new_vars_to_rename slightly earlier.
9321 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9323 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9325 (gen_compile_unit_die): Use new language types for Objective-C and
9327 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9328 DW_LANG_C_plus_plus.
9331 * config/t-darwin (crt3.o): Work around bug 26840.
9332 * config/darwin-crt3.c: Rewrite.
9333 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9335 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9337 * doc/invoke.texi: Document -femit-class-debug-always
9338 * common.opt: Add -femit-class-debug-always.
9340 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9342 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9343 index and base register.
9344 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9345 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9346 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9347 REGNO_OK_FOR_INDEX_P.
9348 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9350 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9351 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9352 REG_OK_FOR_BASE_P): Definitions removed.
9354 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9357 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9358 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9359 set yet or weren't marked as local yet.
9361 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9363 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9366 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9368 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9369 (rs6000_legitimate_small_data_p): Delete.
9370 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9371 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9372 and make static. Add forward declaration. Update uses.
9373 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9374 of offsettable_memref_p.
9375 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9376 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9378 2006-03-24 Jeff Law <law@redhat.com>
9380 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9381 around bug in immediate-use iterator.
9383 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9386 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9387 or __LITTLE_ENDIAN__.
9389 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9391 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9392 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9393 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9394 * config/sh/sh.opt (mdiv=): Amend description.
9395 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9396 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9397 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9398 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9399 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9400 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9401 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9402 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9403 TARGET_DIVIDE_CALL_FP.
9405 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9407 * haifa-sched.c (choose_ready): Fix type of the local variable.
9408 Move local variables. Add comment.
9409 (check_reg_live): Change signature. Make callable from debugger.
9410 * sched-int.h (check_reg_live): Update signature.
9411 * sched-ebb.c (check_reg_live): Update parameters.
9412 * sched-rgn.c (check_reg_live): Ditto.
9413 (region_head_or_leaf_p): Check pointer before dereferencing.
9414 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9415 before reload on optimization levels below 1.
9417 2006-03-23 Richard Henderson <rth@redhat.com>
9419 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9423 * config/alpha/predicates.md (local_symbolic_operand): Reject
9426 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9429 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9430 expressions which have overflowed constants.
9432 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9434 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9436 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9438 * cfgloopmanip.c (create_loop_notes): Removed.
9439 * final.c (final_scan_insn): Do not handle loop notes.
9440 * jump.c (squeeze_notes): Ditto.
9441 * cfglayout.c (skip_insns_after_block,
9442 duplicate_insn_chain): Ditto.
9443 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9445 * cfgloop.h (create_loop_notes): Declaration removed.
9447 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9449 * varasm.c (output_constant_pool): Restore fnname and fndecl
9451 (assemble_start_function): Adjust call accordingly.
9452 (assemble_end_function): Likewise.
9454 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9457 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9460 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9462 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9465 * system.h (ICE_EXIT_CODE): New macro.
9466 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9467 (diagnostic_action_after_output): Likewise.
9468 * gcc.c (fatal_ice): New function.
9469 (execute): Use it instead of fatal.
9470 (fancy_abort): Likewise.
9471 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9473 2006-03-22 Jeff Law <law@redhat.com>
9475 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9476 iv_analyze_result returning false.
9478 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9480 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9482 2006-03-22 Richard Henderson <rth@redhat.com>
9485 * except.c (duplicate_eh_regions_0): New.
9486 (duplicate_eh_region_1): Duplicate the children of the node as
9487 well as the node itself. Link them up properly.
9488 (duplicate_eh_region_2): Merge into ...
9489 (duplicate_eh_regions): ... here. Take copy_region argument, and
9490 copy only a sub-tree if asked. Simplify copying and fixup.
9491 (eh_region_outer_p): New.
9492 * except.h (duplicate_eh_regions): Update decl.
9493 (eh_region_outer_p): Declare.
9494 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9495 (lower_omp_master): Likewise.
9496 (lower_omp_ordered): Likewise.
9497 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9498 (move_stmt_r): Use it to remap labels. Handle recursion vs
9499 remap_decls_p properly.
9500 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9501 (find_outermost_region_in_block): New.
9502 (new_label_mapper): New.
9503 (move_sese_region_to_fn): Copy eh information to the new function
9505 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9507 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9510 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9512 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9513 into shared libraries.
9515 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9517 * doc/md.texi: Refer to i386/constraints.md instead of
9519 * config/i386/constraints.md: New file, extracted from...
9520 * config/i386/predicates.md: ...here.
9521 * config/i386/i386.md: Include constraints.md.
9523 2006-03-21 Jason Merrill <jason@redhat.com>
9525 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9528 * expr.c (init_block_move_fn): Force default visibility.
9529 (init_block_clear_fn): Likewise.
9530 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9531 * targhooks.c (default_external_stack_protect_fail): Likewise.
9533 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9535 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9536 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9537 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9538 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9539 (loadgp): Use mips_current_loadgp_style.
9540 (loadgp_noshared): New pattern.
9541 (sibcall_internal): Use MIPS_CALL.
9542 (sibcall_value_internal): Likewise.
9543 (sibcall_value_multiple_internal): Likewise.
9544 (call_internal): Likewise.
9545 (call_value_internal): Likewise.
9546 (call_value_multiple_internal): Likewise.
9547 (call_split): Use MIPS_CALL and add an 'S' constraint.
9548 (call_value_split): Likewise.
9549 (call_value_multiple_split): Likewise.
9550 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9551 (-mshared): New option.
9552 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9553 (mips_current_loadgp_style): Declare.
9554 * config/mips/mips.c (mips_classify_symbol): Avoid using
9555 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9556 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9557 TARGET_ABSOLUTE_ABICALLS.
9558 (override_options): Adjust comments. Improve the warning that is
9559 issued when -mabicalls and -G are used together.
9560 (mips_file_start): Remove comment.
9561 (mips_current_loadgp_style): New function.
9562 (mips_gnu_local_gp): New variable.
9563 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9565 (mips_output_function_prologue): Use mips_current_laodgp_style.
9566 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9567 the cprestore instruction.
9568 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9569 live for TARGET_ABSOLUTE_ABICALLS.
9570 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9571 (ASM_SPEC): Pass down -mshared and -mno-shared.
9572 (MIPS_CALL): New macro.
9573 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9575 * doc/invoke.texi (-mabicalls): Update documentation.
9576 (-mshared): Document.
9578 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9580 * config/ia64/unwind-hpux.c: New file.
9581 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9583 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9586 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9588 2006-03-21 Jeff Law <law@redhat.com>
9590 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9591 type conversions of a VR_VARYING source to a wider type.
9593 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9595 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9596 tm_file on Solaris 10 and later.
9597 (sparc64-*-solaris2*): Likewise.
9598 (sparc-*-solaris2*): Likewise.
9599 * config/sol26.h: Rename to config/sol2-6.h.
9600 * config/sol2-10.h: New file.
9602 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9605 * tree-ssa-pre.c (create_component_ref_by_pieces):
9608 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9611 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9612 return it immediately.
9614 2006-03-21 Michael Matz <matz@suse.de>
9616 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9618 (remove_arc, add_arc): Update num_out_arcs member.
9619 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9621 (cache_presence): New function.
9622 (compare_states_for_equiv): New function.
9623 (state_is_differed): Don't take number of outargs, adjust callers.
9624 Use new invariant for speeding up.
9625 (init_equiv_class): Create initial classes based on sorted
9627 (partition_equiv_class): Don't track out_arcs_num.
9628 (evaluate_equiv_classes): Call cache_presence on all states and
9631 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9633 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9634 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9635 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9636 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9638 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9639 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9640 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9641 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9642 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9644 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9645 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9646 (REGNO_REG_CLASS): ARGP is in PREGS.
9647 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9649 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9650 to deal with those addresses.
9651 * addresses.h: New file.
9652 * caller-save.c: Include "addresses.h".
9653 (init_caller_save): Use new base_reg_class function.
9654 * rtl-factoring.c: Include "addresses.h".
9655 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9656 * recog.c: Include "addresses.h".
9657 (preprocess_constraints): Use new base_reg_class function.
9658 * regrename.c: Include "addresses.h".
9659 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9660 functions. Keep track of a new var INDEX_CODE to compute valid
9662 (replace_oldest_value_addr): Likewise.
9663 (replace_oldest_value_mem): Use base_reg_class.
9664 * reload.c: Include "addresses.h".
9665 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9666 (find_reloads): Use new base_reg_class function.
9667 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9668 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9669 all callers and prototype changed.
9670 * reload1.c: Include "addresses.h".
9671 (maybe_fix_stack_asms): Use base_reg_class.
9672 * regclass.c: Include "addresses.h".
9673 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9674 (init_reg_autoinc): Use new base_reg_class function.
9675 (record_reg_classes): Likewise.
9676 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9677 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9678 Use new args to compute necessary class.
9680 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9681 regrename.o, rtl-factoring.o): Update dependencies.
9682 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9683 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9684 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9685 REG_OK_FOR_INDEX_P): Delete documentation.
9687 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9689 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9690 from V7 to V9 for Solaris 7 and above.
9692 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9694 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9695 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9696 argument pointers may not alias any other storage.
9697 * common.opt: Define option -fargument-noalias-anything.
9698 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9699 alias semantics is specified by flag_argument_noalias > 2.
9701 2006-03-20 Jeff Law <law@redhat.com>
9703 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9704 (pass_phi_only_cprop): Declare.
9705 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9707 * tree-ssa-dom.c (degenerate_phi_result): New function.
9708 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9709 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9710 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9711 (eliminate_degenerate_phis): Likewise.
9712 (pass_phi_only_cprop): New pass descriptor.
9713 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9714 support code. Callers updated.
9715 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9716 (store_copy_prop): Likewise.
9717 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9719 2006-03-20 Jason Merrill <jason@redhat.com>
9722 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9723 (push_visibility, pop_visibility): Likewise.
9724 * c-pragma.h: Declare them.
9726 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9728 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9730 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9731 parameter and use get_ebb_head_tail.
9732 (sh_md_init_global): Adjust uses of find_regmode_weight.
9734 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9736 * function.h (struct function) <x_tail_recursion_reentry>:
9737 Rename to x_stack_check_probe_note.
9738 (tail_recursion_reentry): Rename to stack_check_probe_note.
9739 * function.c: Replace tail_recursion_reentry with
9740 stack_check_probe_note everywhere.
9741 (expand_function_start): Only emit a note for
9742 stack_check_probe_note with -fstack-protect.
9743 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9745 * emit-rtl.c (remove_unnecessary_notes): Remove.
9746 (pass_remove_unnecessary_notes): Remove.
9747 * rtl.h (remove_unnecessary_notes): Remove prototype.
9748 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9749 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9750 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9752 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9755 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9756 (valid_in_set): Handle ARRAY_REF.
9757 Change "if min_variant or VH" to asserts.
9758 (create_component_ref_by_pieces): Handle ARRAY_REF.
9759 (create_expression_by_pieces): Likewise.
9760 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9762 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9764 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9765 is operand of switch, not str[0].
9767 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9769 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9770 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9772 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9774 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9775 end of insn_extra_address_constraint declaration.
9777 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9779 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9780 (no-sum-in-toc): Same.
9781 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9783 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9784 NO_FP_IN_TOC for -fPIC instead of mask.
9786 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9787 (BOOT_LDFLAGS): Delete.
9789 * config/rs6000/t-aix52: Same.
9791 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9792 (stmsi[345678]_power): New.
9794 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9796 * config/ia64/ia64.opt: Add empty line to end of file.
9798 2006-03-17 Richard Guenther <rguenther@suse.de>
9801 * builtins.c (get_pointer_alignment): For component style references
9802 adjust alignment to the component type alignment. Make sure
9803 to adjust alignment for component access of constants.
9805 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9807 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9810 2006-03-17 Paul Brook <paul@codesourcery.com>
9812 * doc/install.texi: Docuemnt --with-mode.
9813 * config.gcc: Add --with-mode for arm*-*-*.
9814 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9816 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9818 * sh.c (max_labelno_before_reorg): New variable.
9819 (sh_reorg): Initialize it.
9820 (find_barrier): Check max_labelno_before_reorg before using
9821 label_to_alignment. Take length of explicit alignment insns
9822 into account. When seeing a UNSPECV_CONST_END, return it.
9824 * sh.c (fixup_mova): Set mode of affected label to QImode.
9825 (untangle_mova): New function.
9826 (find_barrier): Use it. Check mode of label before decrementing
9828 (sh_reorg): Likewise.
9829 Set mode of all insns back to VOIDmode.
9831 * sh.c (MOVA_LABELREF): New macro.
9832 (mova_p, fixup_mova, sh_reorg): Use it.
9833 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9834 ADDR_DIFF_VEC matches mova.
9836 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9838 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9839 with ATTRIBUTE_UNUSED.
9841 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9843 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9844 pointer, instead of assuming it is possible to derive the
9845 correct args size from a call insn.
9847 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9849 * rtl.h (CONST_INT_P): Define.
9850 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9851 instead of GET_CODE(x) == CONST_INT.
9852 (vax_rtx_costs): Likewise.
9853 (vax_output_int_move): Likewise.
9854 (vax_output_int_add): Likewise.
9855 (legitimate_constant_address_p): Likewise.
9856 (index_term_p): Likewise.
9857 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9858 * config/vax/vax.md (and<mode>3): Likewise.
9859 (ashrsi3): Likewise.
9861 (movstricthi): Likewise.
9862 (movstrictqi): Likewise.
9863 (rotrsi3): Likewise.
9864 (five unnamed insns): Likewise.
9866 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9868 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9869 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9870 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9871 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9872 Pass to ASM_OUTPUT_DWARF_OFFSET.
9873 * dwarf2out.c (debug_frame_section): New.
9874 (output_call_frame_info): Use debug_frame_section. Pass it to
9875 dw2_asm_output_offset.
9876 (output_die): Pass appropriate section to dw2_asm_output_offset.
9877 (output_compilation_unit_header): Likewise.
9878 (output_pubnames): Likewise.
9879 (output_aranges): Likewise.
9880 (enum dw_val_class): Break dw_val_class_lbl_offset into
9881 dw_val_class_lineptr and dw_val_class_macptr.
9882 (add_AT_lbl_offset): Delete.
9883 (add_AT_lineptr): New.
9884 (add_AT_macptr): New.
9885 (AT_lbl): Expect a lineptr or macptr.
9886 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9887 (attr_checksum): Likewise.
9888 (same_dw_val_p): Likewise.
9889 (size_of_die): Likewise.
9890 (value_format): Likewise.
9891 (output_die): Likewise.
9892 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9894 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9895 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9896 * config/darwin-protos.h (darwin_file_start): New.
9897 (darwin_asm_output_dwarf_offset): New.
9898 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9899 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9901 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9902 if not EH section; simplify.
9903 (darwin_file_start): New.
9904 (darwin_asm_output_dwarf_offset): New.
9905 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9907 (DEBUG_INFO_SECTION): Likewise.
9908 (DEBUG_ABBREV_SECTION): Likewise.
9909 (DEBUG_ARANGES_SECTION): Likewise.
9910 (DEBUG_MACINFO_SECTION): Likewise.
9911 (DEBUG_LINE_SECTION): Likewise.
9912 (DEBUG_LOC_SECTION): Likewise.
9913 (DEBUG_PUBNAMES_SECTION): Likewise.
9914 (DEBUG_STR_SECTION): Likewise.
9915 (DEBUG_RANGES_SECTION): Likewise.
9916 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9917 (ASM_OUTPUT_DWARF_OFFSET): New.
9919 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9921 * config.gcc (tm_defines): Always add to previous value rather
9924 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9926 * config/mips/predicates.md (splittable_const_int_operand): New,
9927 split from move_operand.
9928 (splittable_symbolic_operand): New.
9929 (move_operand): Add commentary. Use splittable_const_int_operand.
9930 Inline mips_atomic_symbolic_constant_p.
9931 * config/mips/mips.md: Add combine splitters for handling moves
9932 of splittable_const_int_operands and splittable_symbolic_operands.
9933 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9934 (mips_split_symbol): Declare.
9935 (mips_move_integer): Declare.
9936 * config/mips/mips.c (mips_split_p): Make global.
9937 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9938 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9939 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9940 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9941 (mips_offset_within_object_p): Handle block symbols.
9942 (mips_atomic_symbolic_constant_p): Delete.
9943 (mips_cannot_force_const_mem): Return false for constants that
9944 mips_legitimize_move can handle.
9945 (mips_use_blocks_for_constant_p): New function.
9946 (mips_split_symbol): Make global.
9947 (mips_move_integer): Likewise. Add a temporary register argument.
9948 (mips_legitimize_const_move): Use splittable_const_int_operand and
9949 splittable_symbolic_operand.
9950 (mips_use_anchors_for_symbol_p): New function.
9951 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9952 (mips_split_p): Declare.
9954 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9956 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9957 (mips*-*-linux*): Likewise.
9959 2006-03-16 Roger Sayle <roger@eyesopen.com>
9960 Daniel Speyer <dspeyer@wam.umd.edu>
9963 * tree-dump.c (dump_real): New function.
9964 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9965 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9966 (tree-dump.o): Add $(REAL_H) to the dependencies.
9968 2006-03-16 Roger Sayle <roger@eyesopen.com>
9971 * real.c (real_from_string): If the mantissa is zero, don't bother
9972 parsing the exponent as the result should always be zero.
9974 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9976 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9978 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9980 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9981 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9982 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9983 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9984 ia64_sched_finish_global): New static functions to implement
9985 hooks from gcc_target.sched.
9986 (spec_check_no, max_uid, pending_data_specs): New static variables.
9987 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9988 ia64_spec_check_src_p): New static functions.
9989 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9990 (TARGET_SCHED_ADJUST_COST): Removed.
9991 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9992 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9993 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9994 TARGET_SCHED_GEN_CHECK,
9995 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9996 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9997 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9998 Fixed to handle speculation checks.
9999 (rtx_needs_barrier): Fixed to handle speculative loads and
10001 (ia64_variable_issue): Added code to count speculative loads and their
10003 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10005 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10007 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10009 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10010 (ia64_reorg): Reset stops_p to NULL after it is freed.
10011 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10012 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10013 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10015 (data_speculative, control_speculative, check_load): New attributes.
10016 (mov<mode>_advanced, mov<mode>_speculative,
10017 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10018 zero_extend<mode>di2_speculative,
10019 zero_extend<mode>di2_speculative_advanced): New patterns for
10020 data and control speculative loads.
10021 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10023 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10024 New pattern for data and control speculation checks.
10025 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10026 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10027 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10028 Auxiliary definitions for the patterns.
10029 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10030 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10032 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10034 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10035 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10036 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10037 New resource constraints.
10038 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10040 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10041 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10042 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10043 msched-in-control-spec, msched-ldc, msched-control-ldc,
10044 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10045 msched-prefer-non-control-spec-insns,
10046 msched-count-spec-in-critical-path): New flags to tune speculative
10048 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10049 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10050 msched-in-control-spec, msched-ldc, msched-control-ldc,
10051 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10052 msched-prefer-non-control-spec-insns,
10053 msched-count-spec-in-critical-path): Document new flags.
10055 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10057 * target.h (struct spec_info_def): New opaque declaration.
10058 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10059 speculate_insn, needs_block_p, gen_check,
10060 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10061 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10062 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10063 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10064 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10065 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10067 (TARGET_SCHED): Use new macros.
10068 * rtl.h (copy_DEPS_LIST_list): New prototype.
10069 * sched-int.h (struct sched_info): Change signature of new_ready field,
10070 adjust all initializations. New fields: add_remove_insn,
10071 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10072 region_head_or_leaf_p.
10073 (struct spec_info_def): New structure declaration.
10074 (spec_info_t): New typedef.
10075 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10076 recovery_block, orig_pat.
10077 (glat_start, glat_end): New variables declaraions.
10078 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10080 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10081 DETACH_LIFE_INFO, USE_GLAT.
10082 (enum SPEC_SCHED_FLAGS): New enumeration.
10083 (NOTE_NOTE_BB_P): New macro.
10084 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10085 attach_life_info, debug_spec_status, check_reg_live): New functions.
10086 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10087 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10089 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10090 * ddg.c (get_block_head_tail): Adjust all uses.
10091 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10092 (sms_sched_info): Initialize new fields.
10093 (contributes_to_priority): Removed.
10094 * haifa-sched.c (params.h): New include.
10095 (get_block_head_tail): Adjust all uses.
10096 (ISSUE_POINTS): New macro.
10097 (glat_start, glat_end): New global variables.
10098 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10099 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10100 old_last_basic_block, before_recovery, current_sched_info_var,
10101 rgn_n_insns, luid): New static variables.
10102 (insn_cost1): New function. Move logic from insn_cost to here.
10103 (find_insn_reg_weight1): New function. Move logic from
10104 find_insn_reg_weight to here.
10105 (reemit_notes, move_insn, max_issue): Change signature.
10106 (move_insn1): Removed.
10107 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10108 extend_bb): New static functions to support extension of scheduler's
10110 (generate_recovery_code, process_insn_depend_be_in_spec,
10111 begin_speculative_block, add_to_speculative_block,
10112 init_before_recovery, create_recovery_block, create_check_block_twin,
10113 fix_recovery_deps): New static functions to support
10114 generation of recovery code.
10115 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10116 restore_bb_notes, move_block_after_check, move_succs): New static
10117 functions to support ebb scheduling.
10118 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10119 functions to support handling of register live information.
10120 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10121 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10122 add_jump_dependencies): New static functions.
10123 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10124 consistancy checking.
10125 (debug_spec_status): New function to call from debugger.
10126 (priority): Added code to handle speculation checks.
10127 (rank_for_schedule): Added code to distinguish speculative instructions.
10128 (schedule_insn): Added code to handle speculation checks.
10129 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10130 Fixed to handle ebbs.
10131 (move_insn): Added code to handle ebb scheduling.
10132 (max_issue): Added code to use ISSUE_POINTS of instructions.
10133 (choose_ready): Added code to choose between speculative and
10134 non-speculative instructions.
10135 (schedule_block): Added code to handle ebb scheduling and scheduling of
10136 speculative instructions.
10137 (sched_init): Initialize new variables.
10138 (sched_finish): Free new variables. Print statistics.
10139 (try_ready): Added code to handle speculative instructions.
10140 * lists.c (copy_DEPS_LIST_list): New function.
10141 * sched-deps.c (extend_dependency_caches): New function. Move logic
10142 from create_dependency_caches to here.
10143 (get_dep_weak, ds_merge): Make global.
10144 * genattr.c (main): Code to output prototype for
10145 dfa_clear_single_insn_cache.
10146 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10147 (output_dfa_clean_insn_cache_func): Code to output
10148 dfa_clear_single_insn_cache function.
10149 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10151 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10153 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10154 New static variables.
10155 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10156 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10158 (ebb_sched_info): Initialize new fields.
10159 (get_block_head_tail): Adjust all uses.
10160 (compute_jump_reg_dependencies): Fixed to use glat_start.
10161 (schedule_ebb): Code to remove unreachable last block.
10162 (schedule_ebbs): Added code to update register live information.
10163 * sched-rgn.c (region_sched_info): Initialize new fields.
10164 (get_block_head_tail): Adjust all uses.
10165 (last_was_jump): Removed. Adjust users.
10166 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10167 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10168 Implement new hooks.
10169 (check_dead_notes1): New static function.
10170 (struct region): New fields: dont_calc_deps, has_real_ebb.
10171 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10172 (BB_TO_BLOCK): Fixed to handle EBBs.
10173 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10174 (ebb_head): New static variable.
10175 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10176 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10178 (compute_dom_prob_ps): New assertion.
10179 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10180 global_live_at_start.
10181 (init_ready_list): New assertions.
10182 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10183 (new_ready): Add support for BEGIN_CONTROL speculation.
10184 (schedule_insns): Fixed code that updates register live information
10186 (schedule_region): Fixed to handle EBBs.
10187 (init_regions): Use extend_regions and check_dead_notes1.
10188 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10189 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10190 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10191 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10192 TARGET_SCHED_GEN_CHECK,
10193 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10194 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10195 * doc/invoke.texi (max-sched-insn-conflict-delay,
10196 sched-spec-prob-cutoff): Document.
10198 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10200 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10201 inter_tick, queue_index.
10202 (struct sched_info): Change signature of init_ready_list field.
10203 Adjust all initializations.
10204 (RESOLVED_DEPS): New access macro.
10205 (ready_add): Remove prototype.
10206 (try_ready): Add prototype.
10207 * sched-rgn.c (init_ready_list): Use try_ready.
10208 (schedule_region): Initialize
10209 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10210 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10211 (init_ready_list): Use try_ready.
10212 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10213 * lists.c (remove_list_elem): Remove `static'.
10214 (remove_free_INSN_LIST_elem): New function.
10215 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10216 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10217 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10219 (readyp): New variable.
10220 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10221 change_queue_index, resolve_dep): New static functions.
10222 (try_ready): New function. Adjust callers in sched-rgn.c and
10223 sched-ebb.c to use it instead of ready_add.
10224 (clock_var): Move at the begining of file.
10225 (rank_for_schedule): Fix typo.
10226 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10227 (ready_lastpos): Enforce assertion.
10228 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10229 update all callers.
10230 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10231 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10232 (queue_to_ready): Use free_INSN_LIST_list.
10233 (early_queue_to_ready): Fix typo.
10234 (schedule_block): Init readyp. Move init_ready_list call after the
10235 initialization of clock_var. Fix error in rejecting insn by
10236 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10237 that previously corrected INSN_TICKs. Add code for handling
10239 (set_priorities): Fix typo.
10240 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10241 Clarify comment and code that keeps current_sched_info->next_tail
10244 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10246 * sched-rgn.c (extend_rgns): New static function.
10247 (find_rgns): Use it.
10248 (gather_region_statistics, print_region_statistics): New static
10250 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10251 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10253 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10254 Andrey Belevantsev <abel@ispras.ru>
10256 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10257 * lists.c (unused_deps_list): New variable.
10258 (free_list): Add assertions to verify the proper distinguishing
10259 between INSN_LISTs and DEPS_LISTs.
10260 (find_list_elem, remove_list_elem, remove_list_node): New static
10262 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10263 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10264 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10265 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10267 (free_INSN_LIST_node): Likewise.
10268 * modulo-sched.c (current_sched_info): Initialize flags field.
10269 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10270 * rtl.def (DEPS_LIST): Define.
10271 * rtl.h: Declare new functions from lists.c.
10272 * sched-deps.c (spec_dependency_cache): New static variable.
10273 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10274 (add_dependence): Change return type to void. Move the logic to ...
10275 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10276 (delete_all_dependences): Add comment about forward_dependency_cache.
10277 Handle spec_dependency_cache. Handle DEPS_LISTs.
10278 (fixup_sched_groups): Clarify the change of priority of output
10279 and anti dependencies.
10280 (sched_analyze_2): Adjust add_dependence calls to create data
10281 speculative dependence.
10282 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10283 Adjust all callers. Handle DEPS_LISTS.
10284 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10285 presence of speculation.
10286 (init_dependency_caches, free_dependency_caches):
10287 Handle spec_dependency_cache.
10288 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10289 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10290 New static functions.
10291 (add_or_update_back_dep, add_or_update_back_forw_dep,
10292 add_back_forw_dep, delete_back_forw_dep): New functions.
10293 * sched-int.h (ds_t, dw_t): New typedefs.
10294 (struct sched_info): Add new field flags.
10295 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10296 Prototype new sched-deps.c functions.
10297 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10298 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10299 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10300 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10301 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10302 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10304 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10306 * sched-rgn.c (current_sched_info): Initialize flags field.
10307 (schedule_insns): Initialize current_sched_info before the sched_init
10309 * sched-ebb.c (current_sched_info): Initialize flags field.
10310 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10311 Call add_or_update_back_dep instead of add_dependence.
10312 Create control speculative dependencies.
10313 (schedule_insns): Initialize current_sched_info before the sched_init
10316 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10318 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10320 (sh_fallback_frame_state): Likewise.
10322 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10324 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10325 Do switch on default_use_cxa_atexit.
10326 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10327 * config/darwin-crt3.o: New.
10328 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10329 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10330 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10332 * config/rs6000/t-darwin: Move crt2.o building to here.
10333 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10334 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10337 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10339 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10340 from '! xxx' to '!xxx' for coding-style conformance.
10341 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10342 (EXTRA_CONSTRAINT): Likewise.
10343 * config/vax/vax.md (four unnamed insns): Likewise.
10345 2006-03-15 Paul Brook <paul@codesourcery.com>
10347 * config/arm/arm.c (minipool_pad): New.
10348 (add_minipool_forward_ref): Include pool alignment padding in address
10350 (push_minipool_fix): Set minipool_pad.
10351 (minipool_pad): Ditto.
10353 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10355 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10356 instead of GET_CODE() == MEM and REG_P() instead of
10358 (print_operand_address): Likewise.
10359 (vax_address_cost): Likewise.
10360 (vax_rtx_costs): Likewise.
10361 (vax_notice_update_cc): Likewise.
10362 (vax_output_int_add): Likewise.
10363 (INDEX_REGISTER_P): Likewise.
10364 (BASE_REGISTER_P): Likewise.
10365 (nonindexed_address_p): Likewise.
10366 (vax_mode_dependent_address_p): Likewise.
10367 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10368 (PRINT_OPERAND): Likewise.
10369 * config/vax/vax.md (ashlsi3): Likewise.
10370 (ashlsi3): Likewise.
10371 (some more unnamed insns): Likewise.
10373 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10375 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10376 iterator-style macro.
10377 (mark_control_dependent_edges_necessary): Update the use of
10378 EXECUTE_IF_CONTROL_DEPENDENT.
10380 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10382 * config/sh/predicates.md (cache_address_operand): Special.
10383 (ua_address_operand): Likewise.
10385 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10387 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10389 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10391 2006-03-15 Andreas Schwab <schwab@suse.de>
10393 * gensupport.c (identify_predicable_attribute): Don't free p_false
10394 when it is still in use.
10396 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10398 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10399 the default setting here.
10401 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10403 * tree-pass.h (pass_cfg): Remove.
10404 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10405 * passes.c (pass_cfg): Don't run it.
10407 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10409 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10410 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10412 (stack_regs_mentioned): Update the uses of
10413 stack_regs_mentioned_data. Don't access the array beyond its
10415 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10416 Don't include gt-reg-stack.h.
10418 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10419 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10421 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10423 PR middle-end/26684
10424 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10427 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10429 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10431 2006-03-14 Richard Guenther <rguenther@suse.de>
10433 PR tree-optimization/26672
10434 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10437 2006-03-14 Richard Guenther <rguenther@suse.de>
10439 PR tree-optimization/26667
10440 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10441 node for the callees. Always allow inlining if it will shrink
10444 2006-03-14 Richard Guenther <rguenther@suse.de>
10446 PR middle-end/26659
10447 * builtins.c (get_pointer_alignment): Prefer alignment
10448 information from decls over that from types.
10450 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10453 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10455 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10457 * config/rs6000/rs6000.opt (mdlmzb): New option.
10458 (msched-prolog, msched-epilog): Use Var not Mask.
10459 * doc/invoke.texi (-mdlmzb): Document.
10460 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10462 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10463 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10465 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10467 PR rtl-optimization/25739
10468 * bt-load.c (augment_live_range): Free tos pointer.
10470 * gensupport.c (identify_predicable_attribute): Free
10472 * gcov.c (create_file_names): Free name pointer.
10474 2006-03-13 Roger Sayle <roger@eyesopen.com>
10476 PR middle-end/26557
10477 * stmt.c (emit_case_nodes): Handle the case where the index is a
10478 CONST_INT, where the comparison mode is specified by the index type.
10480 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10482 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10485 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10487 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10488 (*branch_fp_inverted): Likewise.
10490 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10492 PR middle-end/25989
10493 * omp-low.c (expand_omp_for_generic): Mark istart0
10494 and iend0 as addressable.
10496 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10498 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10500 2006-03-13 Jeff Law <law@redhat.com>
10502 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10503 virtual operands are interesting.
10504 (vrp_visit_stmt): Corresponding changes.
10506 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10508 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10510 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10511 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10512 * config/bfin/crti.S: Use it instead of __PIC__.
10513 * config/bfin/crtn.S: Likewise.
10515 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10516 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10518 Lose 'G' modifier for call operand.
10519 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10520 recognize 'G' modifier.
10522 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10524 PR middle-end/18859
10525 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10526 * stmt.c (expand_case): Likewise.
10528 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10530 PR rtl-optimization/26254
10531 * loop-invariant.c (seq_insns_valid_p): New function.
10532 (move_invariant_reg): Only emit new code if it is valid.
10534 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10536 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10538 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10539 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10540 (commit_one_edge_insertion): Do not look for loop notes.
10542 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10544 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10545 flag_test_coverage out of loop.
10547 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10549 * final.c (shorten_branches): Remove outdated comment, and turn
10550 the if branch that guards it to continue.
10552 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10554 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10555 * cfgloop.h (struct loop): Remove unused fields.
10557 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10559 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10560 (-dL, -fdump-rtl-loop2): Update the dump file names
10562 * doc/invoke.texi: Update dump file names.
10564 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10566 * predict.c (estimate_probability): Remove.
10567 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10568 * basic-block.h (estimate_probability): Remove prototype.
10569 * passes.c (finish_optimization_passes): Dump branch prediction or
10570 profiling heuristics to the .profile tree dump.
10571 (init_optimization_passes): Unqueue pass_branch_prob.
10573 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10575 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10577 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10578 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10580 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10582 * function.h (frame_offset_overflow): Declare.
10583 * function.c (frame_offset_overflow): New function.
10584 (assign_stack_local_1): Call it to detect that the offset overflows.
10585 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10587 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10589 * config/sh/sh.c: Include alloc-pool.h.
10590 (label_ref_list_pool): New alloc pool.
10591 (label_ref_list_t): New type for lists of labels.
10592 (struct pool_node): Make wend a label_ref_list_t.
10593 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10595 (dump_table): Likewise.
10596 (sh_reorg): Set up the alloc pool before using add_constant and
10597 dump_table, and destroy it when finishing.
10599 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10601 * config/mips/mips.c: Remove redundant comment.
10603 2006-03-10 Jason Merrill <jason@redhat.com>
10606 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10607 the target was declared 'register'.
10609 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10611 * genpreds.c (write_insn_constraint_len): Change definition of
10612 insn_constraint_len to return size_t to match the declaration.
10614 2006-03-10 DJ Delorie <dj@redhat.com>
10616 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10618 (m32c_expand_insv): Fix test for an AND mask.
10620 2006-03-10 Richard Guenther <rguenther@suse.de>
10622 PR middle-end/26565
10623 * builtins.c (get_pointer_alignment): Handle component
10624 references for field alignment.
10626 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10628 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10629 when building with libgloss.
10630 (sh*elf): Implement --without-fp option.
10631 (sh64-superh-linux*): Don't multilib.
10633 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10635 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10637 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10639 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10640 Set it when one of the replacement functions returned true.
10641 Return TODO_cleanup_cfg if cfgchanged is true.
10642 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10644 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10646 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10647 instead of gen_lowpart.
10649 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10651 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10653 (mips_output_order_conditional_branch): Declare.
10654 * config/mips/mips.h (MIPS_BRANCH): New macro.
10655 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10656 for the comparison. Use gen_condjump.
10657 (mips_output_conditional_branch): Rework interface to take the
10658 asm templates for a direct branch and the inverse of a direct branch.
10659 (mips_output_order_conditional_branch): New function.
10660 (mips_builtin_branch_and_move): New function.
10661 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10662 branch condition. Use gen_single_cc as the condition for
10663 __builtin_mips_upper_* or __builtin_mips_lower_*.
10664 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10665 Use VOIDmode for the branch condition.
10666 * config/mips/predicates.md (order_operator): New predicate.
10667 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10668 (branch_fp): Rename to...
10669 (*branch_fp): ...this. Remove mode from comparison operator.
10670 Use new mips_output_conditional_branch interface.
10671 (branch_fp_inverted): Rename to...
10672 (*branch_fp_inverted): ...this and update as for *branch_fp.
10673 (*branch_zero<mode>): Rename to...
10674 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10675 Use mips_output_order_conditional_branch. Only accept ordered
10677 (*branch_zero<mode>_inverted): Rename to...
10678 (*branch_order<mode>_inverted): ...this and update as for
10679 *branch_order<mode>.
10680 (*branch_equality<mode>): Accept zero as the second operand to
10681 the equality operator. Use the new mips_output_conditional_branch
10683 (*branch_equality<mode>_inverted): Likewise.
10684 (condjump): New expander.
10685 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10687 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10688 (bc1any2t, bc1any2f): Likewise.
10689 (single_cc): New expander.
10690 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10692 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10694 * doc/md.texi: Update documentation of MIPS constraints.
10695 * config/mips/constraints.md: New file.
10696 * config/mips/mips.md: Include it.
10697 * config/mips/mips.c (mips_char_to_class): Delete.
10698 (override_options): Don't initialize mips_char_to_class.
10699 * config/mips/mips.h (mips_char_to_class): Delete.
10700 (REG_CLASS_FROM_LETTER): Delete.
10701 (CONST_OK_FOR_LETTER_P): Delete.
10702 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10703 (EXTRA_CONSTRAINT_Y): Delete.
10704 (EXTRA_CONSTRAINT_STR): Delete.
10705 (CONSTRAINT_LEN): Delete.
10706 (EXTRA_MEMORY_CONSTRAINT): Delete.
10708 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10710 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10711 original fn's eh regions.
10713 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10715 * fold-const.c (build_range_check): Make sure to use a valid type to
10716 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10719 (range_predecessor): New static function.
10720 (range_successor): Likewise.
10721 (merge_ranges): Use them to compute predecessors and successors of
10724 2006-03-09 Roger Sayle <roger@eyesopen.com>
10726 PR middle-end/26561
10727 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10728 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10730 2006-03-08 DJ Delorie <dj@redhat.com>
10732 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10733 (addpsi3): Expand to include memory operands. Remove
10734 reload-specific splits.
10735 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10736 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10737 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10738 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10739 (shift1_qi, shift1_hi, insv): New.
10740 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10741 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10742 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10744 * config/m32c/m32c-protos.h: Update as needed.
10745 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10746 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10747 Fail for unrecognized R* constraints.
10748 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10749 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10750 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10752 (m32c_init_libfuncs): New.
10753 (m32c_legitimate_address_p): Add debug wrapper.
10754 (m32c_rtx_costs): New.
10755 (m32c_address_cost): New.
10756 (conversions): Add 'B' prefix.
10757 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10758 operands, or word regnames for QI operands. 'B' prints bit
10760 (m32c_expand_setmemhi): New.
10761 (m32c_expand_movmemhi): New.
10762 (m32c_expand_movstr): New.
10763 (m32c_expand_cmpstr): New.
10764 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10765 (m32c_expand_neg_mulpsi3): Handle non-ints.
10766 (m32c_cmp_flg_0): New.
10767 (m32c_expand_movcc): New.
10768 (m32c_expand_insv): New.
10769 (m32c_scc_pattern): New.
10770 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10771 a0/a1 out of SIregs.
10772 (STORE_FLAG_VALUE): New.
10773 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10776 * config/m32c/mov.md: Make constraints more liberal.
10777 (zero_extendqihi2): Optimize r0/r1 case.
10778 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10779 * config/m32c/predicates.md (m32c_any_operand): New.
10780 (m32c_nonimmediate_operand): New.
10781 (m32c_hl_operand): New.
10782 (m32c_r3_operand): New.
10785 (memsym_operand): New.
10786 (memimmed_operand): New.
10787 (a_qi_operand): New.
10788 (m32c_eqne_operator): New.
10789 (m32c_1bit8_operand): New.
10790 (m32c_1bit16_operand): New.
10791 (m32c_1mask8_operand): New.
10792 (m32c_1mask16_operand): New.
10793 * config/m32c/blkmov.md: New file.
10794 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10796 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10798 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10799 unsigned to fix signed/unsigned comparison issue in
10800 DWARF2_FRAME_REG_OUT.
10801 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10802 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10804 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10805 of ptr into the ENABLE_CHECKING section.
10807 2006-03-08 Jeff Law <law@redhat.com>
10809 * tree-vrp.c (infer_value_range): Only count pointer uses
10810 and dereferences if -fdelete-null-pointer-checks is enabled.
10812 * tree-vrp.c (find_assert_locations): Infer value ranges for
10813 single use pointers, but do not create ASSERT_EXPRs for them.
10814 When a non-null range is inferred for a pointer, backwards
10815 propagate that range to other equivalent pointers through the
10818 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10821 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10822 language hook targets.
10823 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10824 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10825 if language hook targets were missing.
10827 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10829 * tree-ssa-opfinalize.h: Removed.
10830 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10832 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10833 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10834 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10835 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10836 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10837 finalize_ssa_v_must_def_ops): New.
10839 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10841 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10842 block as parameter.
10844 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10846 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10848 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10849 addresses with offsets; reorganize.
10851 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10852 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10853 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10855 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10858 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10860 2006-03-08 Ben Elliston <bje@au.ibm.com>
10862 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10864 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10867 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10870 2006-03-07 Richard Guenther <rguenther@suse.de>
10872 PR tree-optimization/26587
10873 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10875 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10877 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10879 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10881 * hooks.c (hook_bool_mode_rtx_true): New function.
10882 * hooks.h (hook_bool_mode_rtx_true): Declare.
10883 * toplev.c (compile_file): Call output_shared_constant_pool.
10884 * varasm.c (shared_constant_pool): New variable.
10885 (assemble_start_function, assemble_end_function): Remove arguments
10886 from call to output_constant_pool.
10887 (create_constant_pool): New function, split out from...
10888 (init_varasm_status): ...here.
10889 (force_const_mem): Choose between the shared and per-function constant
10890 pools. Set current_function_uses_const_pool when reusing old entries
10891 as well as when creating new ones.
10892 (mark_constant): Ignore data argument.
10893 (mark_constants): Remove pool argument.
10894 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10895 to decide whether the function uses a constant pool.
10896 (output_constant_pool_contents): New function, split out from...
10897 (output_constant_pool): ...here.
10898 (output_shared_constant_pool): New function.
10899 (init_varasm_once): Initialize shared_constant_pool.
10900 * output.h (output_constant_pool): Delete.
10901 (output_shared_constant_pool): Declare.
10902 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10903 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10905 2006-03-06 Nick Clifton <nickc@redhat.com>
10907 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10908 flag_strength_reduce.
10910 2006-03-06 Ben Elliston <bje@au.ibm.com>
10912 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10913 x86_64-*-linux* configurations.
10915 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10916 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10918 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10920 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10922 * basic-block.h: Remove the extern for
10923 rediscover_loops_after_threading.
10925 * cfgloop.c (cancel_loop): Make it static.
10926 * cfgloop.h: Remove the prototype for cancel_loop.
10928 * flow.c (recompute_reg_usage): Make it static.
10929 * rtl.h: Remove the prototype for recompute_reg_usage.
10931 * function.c (use_return_register): Make it static.
10932 * function.h: Remove the prototype.
10934 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10936 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10938 * recog.h: Remove the prototype for
10939 validate_change_maybe_volatile.
10941 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10943 * rtlanal.c (replace_reg): Remove.
10944 * rtl.h: Remove the prototype for replace_reg.
10946 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10948 * regclass.c (reg_scan_update): Remove.
10949 (reg_scan_mark_refs): Remove the last argument.
10950 * rtl.h: Remove the prototype for reg_scan_update.
10952 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10954 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10955 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10956 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10957 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10958 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10959 loop-invariant.c, omp-low.c, opts.c, passes.c,
10960 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10961 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10962 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10963 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10964 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10965 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10967 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10969 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10970 * dwarf2out.h: Remove the prototype for
10971 dwarf2out_add_library_unit_info.
10973 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10975 * tree.c (add_var_to_bind_expr): Remove.
10976 * tree.h: Remove the prototype for add_var_to_bind_expr.
10978 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10980 * regclass.c (n_non_fixed_regs): Remove.
10981 (init_reg_sets_1, globalize_reg): Remove all uses of
10983 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10985 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10987 * rtlanal.c (insns_safe_to_move_p): Remove.
10988 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10990 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10992 * expmed.c (expand_mult_add): Remove.
10993 * expr.h: Remove the prototype for expand_mult_add.
10995 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10997 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10998 and REG_SAVED_VAL_EXP constants.
10999 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11000 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11001 Handle regs stored by value.
11002 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11003 (execute_cfa_program): Handle DW_CFA_val_offset,
11004 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11005 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11006 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11007 (uw_install_context_1): Handle target regs stored by value.
11009 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11011 * tree-sra.c (tree_sra): Return todoflags;
11012 (generate_one_element): Set TODO_update_smt_usage if needed.
11013 (pass_sra): Remove TODO_update_smt_usage.
11014 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11016 (tree_ssa_forward_propagate_single_use_vars): Return
11017 TODO_update_smt_usage if we need to update SMT usage.
11018 (pass_forwprop): Remove TODO_update_smt_usage.
11020 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11022 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11023 (correct_use_link): Remove reference to get_stmt_operands.
11024 (update_stmt_operands): Likewise.
11025 (get_modify_expr_operands): New function factored out of
11026 parse_ssa_operands and get_expr_operands.
11027 Try to create V_MUST_DEFs for LHS by default.
11028 (get_expr_operands) <case MODIFY_EXPR>: Call
11029 get_modify_expr_operands.
11030 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11031 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11032 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11033 get_modify_expr_operands.
11035 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11037 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11038 * tree-flow.h: Remove the prototype for
11039 referenced_var_lookup_if_exists.
11041 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11043 PR rtl-optimization/26345
11045 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11047 2006-03-03 Roger Sayle <roger@eyesopen.com>
11049 PR tree-optimization/26524
11050 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11051 fold_convert to create a constant of the appropriate type.
11053 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11055 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11056 SYMBOL_REF_IN_BLOCK_P.
11057 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11058 of SYMBOL_FLAG_IN_BLOCK.
11059 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11060 instead of SYMBOL_REF_IN_BLOCK_P.
11061 * explow.c (use_anchored_address): Likewise.
11062 * rtl.c (rtx_size): Likewise.
11063 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11064 instead of SYMBOL_FLAG_IN_BLOCK.
11065 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11066 SYMBOL_REF_IN_BLOCK_P.
11067 (assemble_variable): Likewise.
11068 (output_constant_def_contents): Likewise.
11069 (output_constant_pool): Likewise.
11070 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11071 instead of SYMBOL_FLAG_IN_BLOCK.
11072 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11073 SYMBOL_REF_IN_BLOCK_P.
11074 (SYMBOL_REF_BLOCK): Likewise.
11075 (SYMBOL_REF_OFFSET): Likewise.
11076 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11077 SYMBOL_REF_IN_BLOCK_P.
11078 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11079 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11080 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11081 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11083 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11085 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11087 2006-03-02 Roger Sayle <roger@eyesopen.com>
11089 * simplify-rtx.c (simplify_unary_operation): When simplifying
11090 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11091 that we perform the right shift in the appropriate mode, and
11092 then extend or truncate the result to requested mode.
11094 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11096 * gengtype.c (main): Handle double_int type.
11097 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11098 * double-int.c: New file.
11099 * double-int.h: New file.
11100 * system.h: Include doubleint.h.
11101 * Makefile.in (SYSTEM_H): Include double-int.h.
11102 (double-int.o): Add.
11104 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11107 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11110 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11112 * tree-vrp.c (remove_range_assertions): Do not update statements
11115 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11117 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11119 * gcse.c (rest_of_handle_gcse): Ditto.
11120 * except.c (gate_handle_eh): Ditto.
11121 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11122 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11124 2006-03-02 Eric Christopher <echristo@apple.com>
11126 * config/i386/i386.c (machopic_output_stub): Add indirection to
11129 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11133 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11135 Sun Niagara specific optimizations.
11136 * config.gcc: Recognize niagara as target.
11137 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11138 (TARGET_CPU_niagara): Define.
11139 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11140 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11141 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11142 (ASM_CPU_SPEC): Likewise.
11143 (PROCESSOR_NIAGARA): New enum entry.
11144 (REGISTER_MOVE_COST): Handle Niagara.
11145 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11146 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11147 (sparc_override_options): Recognize "niagara", set appropriate
11148 default MASK_* values for it, and align functions to 32-bytes
11149 by default just like ULTRASPARC/ULTRASPARC3.
11150 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11151 (sparc64_initialize_trampoline): Likewise.
11152 (sparc_use_sched_lookahead): Use zero for niagara.
11153 (sparc_issue_rate): Use one for niagara.
11154 * config/sparc/niagara.md: New file.
11155 * config/sparc/sparc.md: Include it.
11156 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11157 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11158 when default cpu is niagara.
11159 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11160 (ASM_CPU_SPEC): Likewise.
11161 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11162 when default cpu is niagara.
11163 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11164 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11165 just like v9/ultrasparc/ultrasparc3.
11166 * doc/invoke.texi: Add documentation for "niagara" and improve
11167 existing documentation for ultrasparc variants.
11169 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11171 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11173 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11175 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11176 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11177 and say that only one is needed.
11178 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11179 * target.h (have_switchable_bss_sections): New hook.
11180 * explow.c (use_anchored_address): Check that the symbol is in a block.
11181 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11182 (bss_noswitch_section): New variables.
11183 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11184 (get_noswitch_section): New function.
11185 (get_block_for_section): Allow SECT to be null.
11186 (unlikely_text_section_p): Use SECTION_STYLE.
11187 (bss_initializer_p): New function.
11188 (get_variable_section): Move earlier in file. Take a new argument,
11189 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11190 Return one of the new *_sections in such cases.
11191 (get_block_for_decl): New function, extracting some logic from
11192 use_blocks_for_decl_p.
11193 (change_symbol_section): Remove in favor of...
11194 (change_symbol_block): ...this new function.
11195 (use_blocks_for_decl_p): Remove checks now performed by
11196 get_block_for_decl.
11197 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11198 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11199 (emit_local, emit_bss, emit_common): ...these new functions.
11200 Return true if the alignment was honored.
11201 (emit_tls_common): New function.
11202 (asm_emit_uninitialised): Delete.
11203 (assemble_variable_noswitch): New function, split out from...
11204 (assemble_variable): ...here. Don't make decisions about common
11205 variables here. Globalize all public decls that go into non-common
11206 sections. Check whether SYMBOL_REF_BLOCK is null.
11207 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11208 (output_constant_pool): Likewise.
11209 (init_varasm_once): Initialize the new section variables.
11210 (have_global_bss_p): New function.
11211 (categorize_decl_for_section): Use bss_initializer_p.
11212 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11213 (place_block_symbol): Assert that the symbol must be in a block.
11214 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11215 (TARGET_INITIALIZER): Include it.
11216 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11217 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11218 (SECTION_MACH_DEP): Bump by two.
11219 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11220 (unnamed_section): Mention SECTION_UNNAMED in comment.
11221 (named_section): Likewise SECTION_NAMED.
11222 (noswitch_section_callback): New type.
11223 (noswitch_section): New structure.
11224 (section): Add a noswitch_section alternative.
11225 (SECTION_STYLE): New macro.
11226 (tls_comm_section, comm_section, lcomm_section): Declare.
11227 (bss_noswitch_section, have_global_bss_p): Declare.
11228 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11229 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11231 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11232 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11235 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11237 * tree-vrp.c (execute_vrp): Return value.
11238 * regrename.c (rest_of_handle_regrename): Ditto.
11239 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11240 * tree-complex.c (tree_lower_complex): Ditto.
11241 (tree_lower_complex_O0): Ditto.
11242 * tracer.c (rest_of_handle_tracer): Ditto.
11243 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11244 * postreload.c (rest_of_handle_postreload): Ditto.
11245 * tree-tailcall.c (execute_tail_recursion): Ditto.
11246 (execute_tail_calls): Ditto.
11247 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11248 * tree.h (init_function_for_compilation): Ditto.
11249 * ipa-cp.c (ipcp_driver): Ditto.
11250 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11251 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11252 * final.c (compute_alignments): Ditto.
11253 (rest_of_handle_final): Ditto.
11254 (rest_of_handle_shorten_branches): Ditto.
11255 (rest_of_clean_state): Ditto.
11256 * omp-low.c (execute_expand_omp): Ditto.
11257 (execute_lower_omp): Ditto.
11258 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11259 * ipa-reference.c (static_execute): Ditto.
11260 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11261 * reorg.c (rest_of_handle_delay_slots): Ditto.
11262 (rest_of_handle_machine_reorg): Ditto.
11263 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11264 * flow.c (recompute_reg_usage): Ditto.
11265 (rest_of_handle_remove_death_notes): Ditto.
11266 (rest_of_handle_life): Ditto.
11267 (rest_of_handle_flow2): Ditto.
11268 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11269 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11270 (do_ssa_store_ccp): Ditto.
11271 (execute_fold_all_builtins): Ditto.
11272 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11273 * modulo-sched.c (rest_of_handle_sms): Ditto.
11274 * ipa-pure-const.c (static_execute): Ditto.
11275 * cse.c (rest_of_handle_cse): Ditto.
11276 (rest_of_handle_cse2): Ditto.
11277 * web.c (rest_of_handle_web): Ditto.
11278 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11279 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11280 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11281 * tree-nrv.c (tree_nrv): Ditto.
11282 (execute_return_slot_opt): Ditto.
11283 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11284 (create_structure_vars): Ditto.
11285 * loop-init.c (rtl_loop_init): Ditto.
11286 (rtl_loop_done): Ditto.
11287 (rtl_move_loop_invariants): Ditto.
11288 (rtl_unswitch): Ditto.
11289 (rtl_unroll_and_peel_loops): Ditto.
11290 (rtl_doloop): Ditto.
11291 * gimple-low.c (lower_function_body): Ditto.
11292 (mark_used_blocks): Ditto.
11293 * tree-ssa-sink.c (execute_sink_code): Ditto.
11294 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11295 (cgraph_early_inlining): Ditto.
11296 * global.c (rest_of_handle_global_alloc): Ditto.
11297 * jump.c (cleanup_barriers): Ditto.
11298 (purge_line_number_notes): Ditto.
11299 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11300 (rest_of_handle_if_after_reload): Ditto.
11301 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11302 (tree_ssa_loop_im): Ditto.
11303 (tree_ssa_loop_unswitch): Ditto.
11304 (tree_vectorize): Ditto.
11305 (tree_linear_transform): Ditto.
11306 (tree_ssa_loop_ivcanon): Ditto.
11307 (tree_ssa_empty_loop): Ditto.
11308 (tree_ssa_loop_bounds): Ditto.
11309 (tree_complete_unroll): Ditto.
11310 (tree_ssa_loop_prefetch): Ditto.
11311 (tree_ssa_loop_ivopts): Ditto.
11312 (tree_ssa_loop_done): Ditto.
11313 * predict.c (tree_estimate_probability): Ditto.
11314 * recog.c (split_all_insns_noflow): Ditto.
11315 (rest_of_handle_peephole2): Ditto.
11316 (rest_of_handle_split_all_insns): Ditto.
11317 * tree-eh.c (lower_eh_constructs): Ditto.
11318 * regmove.c (rest_of_handle_regmove): Ditto.
11319 (rest_of_handle_stack_adjustments): Ditto.
11320 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11321 * function.c (instantiate_virtual_regs): Ditto.
11322 (init_function_for_compilation): Ditto.
11323 (rest_of_handle_check_leaf_regs): Ditto.
11324 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11325 (rest_of_handle_gcse): Ditto.
11326 * ipa-type-escape.c (type_escape_execute): Ditto.
11327 * alias.c (rest_of_handle_cfg): Ditto.
11328 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11329 * profile.c (rest_of_handle_branch_prob): Ditto.
11330 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11331 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11332 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11333 * tree-dfa.c (find_referenced_vars): Ditto.
11334 * except.c (set_nothrow_function_flags): Ditto.
11335 (convert_to_eh_region_ranges): Ditto.
11336 (rest_of_handle_eh): Ditto.
11337 * emit-rtl.c (unshare_all_rtl): Ditto.
11338 (remove_unnecessary_notes): Ditto.
11339 * except.h (set_nothrow_function_flags): Ditto.
11340 (convert_to_eh_region_ranges): Ditto.
11341 * cfgexpand.c (tree_expand_cfg): Ditto.
11342 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11343 * tree-ssa-pre.c (do_pre): Ditto.
11344 (execute_fre): Ditto.
11345 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11346 (rest_of_handle_jump2): Ditto.
11347 * tree-sra.c (tree_sra): Ditto.
11348 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11349 (execute_mudflap_function_decls): Ditto.
11350 * tree-ssa-copy.c (do_copy_prop): Ditto.
11351 (do_store_copy_prop): Ditto.
11352 * ipa-prop.h (ipcp_driver): Ditto.
11353 * cfglayout.c (insn_locators_initialize): Ditto.
11354 * tree-ssa-forwprop.c
11355 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11356 * cfglayout.h (insn_locators_initialize): Ditto.
11357 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11358 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11359 (execute_late_warn_uninitialized): Ditto.
11360 * rtl.h (cleanup_barriers): Ditto.
11361 (split_all_insns_noflow): Ditto.
11362 (purge_line_number_notes): Ditto.
11363 (unshare_all_rtl): Ditto.
11364 (remove_unnecessary_notes): Ditto.
11365 (recompute_reg_usage): Ditto.
11366 (variable_tracking_main): Ditto.
11367 * integrate.c (emit_initial_value_sets): Ditto.
11368 * integrate.h (emit_initial_value_sets): Ditto.
11369 * tree-optimize.c (execute_free_datastructures): Ditto
11370 (execute_free_cfg_annotations): Ditto.
11371 (execute_fixup_cfg): Ditto.
11372 (execute_cleanup_cfg_pre_ipa): Ditto.
11373 (execute_cleanup_cfg_post_optimizing): Ditto.
11374 (execute_init_datastructures): Ditto.
11375 * tree-object-size.c (compute_object_sizes): Ditto.
11376 * combine.c (rest_of_handle_combine): Ditto.
11377 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11378 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11379 (rest_of_handle_reorder_blocks): Ditto.
11380 (rest_of_handle_partition_blocks): Ditto.
11381 * var-tracking.c (variable_tracking_main): Ditto.
11382 * tree-profile.c (tree_profiling): Ditto.
11383 * tree-vect-generic.c (expand_vector_operations): Ditto.
11384 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11385 * sched-rgn.c (rest_of_handle_sched): Ditto.
11386 (rest_of_handle_sched2): Ditto.
11387 * basic-block.h (free_bb_insn): Ditto.
11388 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11389 * tree-cfg.c (execute_build_cfg): Ditto.
11390 (remove_useless_stmts): Ditto.
11391 (split_critical_edges): Ditto.
11392 (execute_warn_function_return): Ditto.
11393 (execute_warn_function_noreturn): Ditto.
11394 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11395 * cfgrtl.c (free_bb_for_insn): Ditto.
11396 * passes.c (execute_one_pass): Run additional
11397 todos returned by execute function.
11398 * tree-pass.h (struct tree_opt_pass): Make execute
11401 2006-03-02 Richard Guenther <rguenther@suse.de>
11403 * tree-ssa-alias.c (find_used_portions): Consider taking
11404 the address as making the variable not write-only.
11406 2006-03-02 Nick Clifton <nickc@redhat.com>
11408 * config.gcc (default_use_cxa_atexit): Extend the description of
11409 this configure variable. Set its default value to "yes" for
11410 Linux, NetBSD and ELF targets on the assumption that they will
11411 use C libraries with the __cxa_atexit function.
11413 2006-03-02 Ben Elliston <bje@au.ibm.com>
11415 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11416 parameter as unused to suppress a build warning.
11418 2006-03-02 Ben Elliston <bje@au.ibm.com>
11420 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11423 2006-03-01 Roger Sayle <roger@eyesopen.com>
11426 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11427 declared name, the weak reference name, and the typeof name.
11428 (__gthrw): Avoid expanding the declared name suffix.
11429 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11431 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11433 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11435 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11436 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11437 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11438 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11439 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11440 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11441 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11442 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11443 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11444 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11445 (DW_END_default, DW_END_big, DW_END_little): New.
11446 (DW_END_lo_user, DW_END_hi_user): Define.
11447 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11448 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11449 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11452 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11454 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11456 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11458 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11460 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11462 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11463 to 'symbol_mem_tag'.
11465 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11468 2006-03-01 Roger Sayle <roger@eyesopen.com>
11470 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11472 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11475 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11476 MACHO_DYNAMIC_NO_PIC_P.
11477 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11479 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11482 * config/darwin-protos.h (darwin_asm_output_anchor):
11484 * config/darwin-sections.def (cstring_section):
11485 Add SECTION_MERGE to the flags.
11486 (literal4_section): Likewise.
11487 (literal8_section): Likewise.
11488 (objc_selector_refs_section): Likewise.
11489 (objc_cls_refs_section): Likewise.
11490 * config/darwin.c (darwin_asm_output_anchor): New
11492 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11494 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11496 Fix PR tree-optimization/26443
11497 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11498 to todo and PROP_tmt_usage to properties_destroyed.
11499 * tree-ssa-ccp.c (pass_ccp): Ditto.
11500 (pass_store_ccp): Ditto.
11501 * tree-ssa-dom.c (pass_dominator): Ditto.
11503 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11505 * tree-ssa-operands.c: Cleanup whitespace.
11506 (get_asm_expr_operands): Move before first invocation.
11507 (get_indirect_ref_operands): Likewise.
11508 (get_tmr_operands): Likewise.
11509 (get_call_expr_operands): Likewise.
11510 (append_def): Likewise.
11511 (append_use): Likewise.
11512 (append_v_may_def): Likewise.
11513 (append_v_must_def): Likewise.
11514 (add_call_clobber_ops): Likewise.
11515 (add_call_read_ops): Likewise.
11516 (add_stmt_operand): Likewise.
11517 (add_virtual_operand): Likewise.
11518 (build_ssa_operands): Likewise.
11520 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11522 PR middle-end/26022
11524 PR middle-end/24437
11525 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11526 with a call expr to ...
11527 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11529 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11531 * tree-vrp.c (extract_range_from_assert): Remove special
11532 handling for types with super-types.
11534 2006-03-01 Ben Elliston <bje@au.ibm.com>
11536 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11537 and powerpc64-*-linux* configurations.
11538 * config/t-dfprules: New file.
11540 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11541 Compile dfp-bit.c from the source directory using -DWIDTH and
11542 $DFP_CFLAGS to control the compilation of that file, rather than
11543 generating width-specific versions in the build directory.
11544 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11545 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11547 2006-02-28 Zack Weinberg <zackw@panix.com>
11549 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11552 2006-02-28 Eric Christopher <echristo@apple.com>
11554 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11555 Set up IN_LIBGCC definition of TARGET_64BIT.
11556 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11558 2006-02-28 Roger Sayle <roger@eyesopen.com>
11560 PR middle-end/14752
11561 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11562 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11563 cases via the construction of "expr != 0".
11565 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11567 * alias.c (alias_invariant, alias_invariant_size): Remove.
11568 (record_base_value): Remove.
11569 (memrefs_conflict_p): Don't look at alias_invariant.
11570 (end_alias_analysis): Don't free it.
11571 * alias.h (record_base_value): Remove prototype.
11573 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11574 Adam Nemet <anemet@caviumnetworks.com>
11576 * rtl.h (truncated_to_mode): Declare it.
11577 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11578 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11579 (RTL_HOOKS_INITIALIZER): Include it.
11580 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11581 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11582 reg_truncated_to_mode.
11583 * rtlanal.c (truncated_to_mode): Define it.
11584 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11586 2006-02-28 Jeff Law <law@redhat.com>
11588 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11589 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11590 the range allowed by TYPE_PRECISION.
11592 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11594 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11596 PR tree-optimization/26419
11597 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11600 2006-02-27 Zack Weinberg <zackw@panix.com>
11602 * doc/md.texi: Fix typo in previous change.
11604 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11608 2006-02-27 Zack Weinberg <zackw@panix.com>
11610 * rtl.def (define_constraint, define_register_constraint)
11611 (define_memory_constraint, define_address_constraint): New MD forms.
11612 * gensupport.c (process_rtx): Put define_constraint etc on the
11614 * genpreds.c (process_define_predicate): Adjust comment. Validate
11615 the name, and call validate_exp to validate the expression.
11616 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11617 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11618 all callers changed.
11619 (validate_exp, needs_variable, struct constraint_data)
11620 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11621 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11622 (const_dbl_constraints, constraint_max_namelen)
11623 (have_register_constraints, have_memory_constraints)
11624 (have_address_constraints, have_address_constraints)
11625 (have_extra_constraints, have_const_int_constraints)
11626 (have_const_dbl_constraints, mangle, add_constraint)
11627 (process_define_constraint, process_define_register_constraint)
11628 (write_enum_constraint_num, write_lookup_constraint)
11629 (write_insn_constraint_len, write_regclass_for_constraint)
11630 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11631 (write_insn_extra_memory_constraint)
11632 (write_insn_extra_address_constraint)
11633 (write_satisfies_constraint_fns): New.
11634 (write_tm_preds_h): If we have new-style constraint definitions,
11635 prototype the functions generated from them, and define the
11636 old constraint interface (still used by generic code) in terms of
11638 (write_insn_preds_c): If we have new-style constraint definitions,
11639 generate all relevant functions from those definitions.
11640 (main): Handle define_constraint etc.
11641 * genoutput.c (struct constraint_data, indep_constraints)
11642 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11643 (mdep_constraint_len): New data structures and functions, defined
11644 #ifdef USE_MD_CONSTRAINTS.
11645 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11646 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11647 use new logic to validate operand constraints against constraint
11649 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11651 * defaults.h: If none of the old-style constraint macros are
11652 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11653 old-style macros; and poison REG_CLASS_FROM_LETTER,
11654 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11656 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11657 * doc/md.texi: Document new constraint-definition mechanism and the
11658 C interface it provides. Remove references to old mechanism
11659 elsewhere in the document.
11660 (Machine Constraints): Use pathnames relative to gcc directory,
11661 i.e. config/ARCH/FILE. Change i386 section to refer to
11662 config/i386/predicates.md; update that section to match docstrings.
11663 * doc/tm.texi: Move all documentation of the old constraint-
11664 definition macros to their own section, clearly mark as obsolete.
11666 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11667 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11669 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11670 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11671 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11672 constraint strings.
11673 (splits and peepholes): Use satisfies_constraint_*.
11674 * config/i386/i386.c (memory_address_length)
11675 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11677 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11679 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11680 scalar operation to be put back into the loop.
11682 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11685 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11686 (extract_cie_info): Handle S flag in augmentation string.
11687 (execute_cfa_program): If context->signal_frame, execute also
11688 fs->pc == context->ra instructions.
11689 (uw_frame_state_for): If context->signal_frame, don't subtract one
11690 from context->ra to find FDE.
11691 (uw_update_context_1): Set context->signal_frame to
11693 (_Unwind_GetIPInfo): New function.
11694 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11695 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11697 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11698 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11699 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11700 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11701 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11702 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11703 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11704 x86_64_fallback_frame_state): Set fs->signal_frame.
11705 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11706 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11707 (frob_update_context): Likewise. Workaround missing S flag in
11708 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11709 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11710 Remove the psw_addr + 1 hack.
11712 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11714 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11715 with aggregates here.
11716 (find_func_aliases): Remove code for &<aggregate> from here.
11718 2006-02-26 Roger Sayle <roger@eyesopen.com>
11720 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11721 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11722 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11723 as (X & C) ne/eq 0.
11725 2006-02-26 Roger Sayle <roger@eyesopen.com>
11727 PR middle-end/19983
11728 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11730 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11732 * opts.c (decode_options): Do not handle flag_strength_reduce.
11733 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11734 and OPT_fstrength_reduce.
11735 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11736 flag_prefetch_loop_arrays for being nonzero.
11737 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11739 (fprefetch-loop-arrays-rtl): Removed.
11740 (flag_prefetch_loop_arrays): Do not specify the value.
11742 * doc/passes.texi: Update documentation of loop optimizer
11744 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11745 -frerun-loop-opt): Remove.
11747 2006-02-26 Richard Guenther <rguenther@suse.de>
11749 PR tree-optimization/26421
11750 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11751 in function calls that are ADDR_EXPRs as using the whole structure.
11753 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11755 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11756 * tree-pass.h (pass_loop_optimize): Remove.
11757 * passes.c (pass_loop_optimize): Never run it.
11758 * toplev.c (backend_init): Don't call init_loop.
11759 * opts.c (flag_loop_optimize_set): Remove.
11760 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11761 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11762 the old RTL loop optimizer when profiling enabled.
11763 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11764 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11765 pre-headers for the sake of the old RTL loop optimizer.
11766 * Makefile.in: Remove all references to loop.o.
11768 * doc/invoke.texi: Remove all references to -floop-optimize
11769 and -frerun-loop-opt.
11771 2006-02-26 Zack Weinberg <zackw@panix.com>
11773 * doc/md.texi (Machine Constraints): Refer to all files with paths
11774 relative to gcc directory (i.e. config/CPU/file). Add missing
11775 @table @code ... @end table to M32C subsection.
11777 2006-02-26 Roger Sayle <roger@eyesopen.com>
11779 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11781 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11783 2006-02-26 Roger Sayle <roger@eyesopen.com>
11784 James A. Morrison <phython@gcc.gnu.org>
11786 PR middle-end/21137
11787 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11788 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11789 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11790 signedness of the shift operation.
11792 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11794 PR tree-optimization/26359
11795 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11797 2006-02-25 Roger Sayle <roger@eyesopen.com>
11799 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11800 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11801 as X == 0, and some symmetry related transformations.
11802 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11804 2006-02-25 Roger Sayle <roger@eyesopen.com>
11806 PR middle-end/23673
11807 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11808 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11809 symmetry related transformations. Fold (X^C1) == C2 as
11812 2006-02-25 Juergen Weigert <jw@suse.de>
11813 Richard Guenther <rguenther@suse.de>
11815 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11817 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11819 * combine.c (gen_lowpart_or_truncate): Call
11820 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11822 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11824 * doc/invoke.texi: Move -fopenmp description to "Options for
11826 Remove reference to -lgomp.
11828 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11830 * doc/install.texi: Require GNU tar version 1.14.
11832 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11834 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11835 * doc/invoke.texi (C++ Dialect Options): Document
11836 -fno-use-cxa-get-exception-ptr.
11837 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11838 * configure: Regenerate.
11839 * c.opt (fuse-cxa-get-exception-ptr): New.
11840 * c-opts.c (c_common_handle_option): Handle
11841 OPT_fuse_cxa_get_exception_ptr.
11842 * c-common.c (flag_use_cxa_atexit): Update documentation.
11843 (flag_use_cxa_get_exception_ptr): New.
11844 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11845 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11847 (C_COMMON_OVERRIDE_OPTIONS): New.
11849 2006-02-24 Roger Sayle <roger@eyesopen.com>
11851 PR middle-end/24952
11852 * combine.c (try_combine): Explicitly check whether GET_CODE is
11853 a SET or a CLOBBER, instead on checking that it isn't a USE.
11855 2006-02-24 Roger Sayle <roger@eyesopen.com>
11857 * fold-const.c (fold_comparison): New subroutine of fold_binary
11858 containing transformations common to both the equality and
11859 ordering relational operators, factored out of fold_binary.
11860 (fold_binary): Separate out the equality operators (EQ_EXPR
11861 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11862 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11863 transformations common to both.
11864 (fold_div_compare): Fix latent bugs in the previously unreachable
11865 LT_EXPR and GE_EXPR cases.
11867 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11869 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11870 decl libname for clog to __clog on AIX.
11872 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11874 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11877 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11878 output traceback table for thunks. Localise rs6000_stack_info call.
11880 2006-02-23 Roger Sayle <roger@eyesopen.com>
11881 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11883 * gthr-posix.h (__gthrw): Fix typo in comment.
11885 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11887 * doc/cpp.texi (Character sets): Document that we do support
11888 input files to be in any character set.
11890 2006-02-23 Jeff Law <law@redhat.com>
11892 * tree.h (PHI_ARG_NONZERO): Remove.
11893 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11894 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11895 node to the new node.
11897 PR tree-optimization/26425
11898 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11899 min/max, then assume its varying.
11901 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11903 PR rtl-optimization/26316
11904 * rtlanal.c (enum may_trap_p_flags): New.
11905 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11906 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11907 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11908 (may_trap_after_code_motion_p): New function.
11909 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11910 (find_invariant_insn): Use may_trap_after_code_motion_p.
11911 * rtl.h (may_trap_after_code_motion_p): Declare.
11913 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11915 * emit-rtl.c (immed_double_const): Cleanup.
11917 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11919 Fix PR tree-optimization/26376
11920 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11923 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11925 PR middle-end/26412
11926 * gimplify.c (omp_add_variable): Guard variable size decl test with
11927 DECL_SIZE (decl) check.
11929 2006-02-23 Richard Guenther <rguenther@suse.de>
11931 PR middle-end/26439
11932 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11933 like aggregate types.
11935 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11937 * configure.ac: Add --with{,out}-long-double-128 configure option.
11938 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11939 * configure: Rebuilt.
11940 * config.in: Rebuilt.
11941 * doc/install.texi (Options specification): Document
11942 --with-long-double-128.
11944 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11945 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11946 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11947 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11949 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11951 * config/s390/s390.c (override_options): Handle
11952 TARGET_DEFAULT_LONG_DOUBLE_128.
11954 * config/alpha/alpha.c (override_options): Handle
11955 TARGET_DEFAULT_LONG_DOUBLE_128.
11957 * config/sparc/sparc.c (sparc_override_options): Handle
11958 TARGET_DEFAULT_LONG_DOUBLE_128.
11960 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11962 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11963 (real-install-headers-tar, real-install-headers-cpio)
11964 (real-install-headers-cp): New targets.
11966 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11968 * tree.h (variable_section): Delete.
11969 * varasm.c (variable_section): Delete.
11971 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11973 * install.texi: Add notes on install.texi2html.
11974 (Building in parallel): Do not use footnotes.
11976 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11979 * doc/install.texi (Configuration): Document --disable-libgomp.
11981 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11983 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11985 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11987 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11988 (vec_extractv2df_0_sse): New.
11990 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11992 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11993 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11994 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11995 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11996 to the result of the expression.
11997 (def_cfa_1): Adjust.
11998 (frame_pointer_cfa_offset): Rename to...
11999 (frame_pointer_fb_offset): ... this. Adjust all uses.
12000 (convert_cfa_to_loc_list): Rename to...
12001 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12002 Pass it on to build_cfa_loc.
12003 (compute_frame_pointer_to_cfa_displacement): Rename to...
12004 (compute_frame_pointer_to_fb_displacement): ... this. New
12005 offset parameter. Use it in computation.
12006 (gen_subprogram_die): Compute cfa_fb_offset with the new
12007 macro, and use it to compute the fb loc list and the
12010 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12012 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12013 replaced with register_operand.
12014 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12015 non-DREG is expensive.
12016 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12017 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12020 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12022 * doc/install.texi2html: Use set -e.
12024 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12026 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12027 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12028 * doc/invoke.texi (-fshared-data): Delete.
12029 * common.opt (fshared-data): Delete.
12030 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12031 (assemble_static_space): Remove #if 0 code.
12032 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12033 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12034 * config/cris/cris.h: Remove FIXME.
12036 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12038 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12041 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12043 PR middle-end/26379
12044 * combine.c (simplify_shift_const_1): Disable nested shifts
12045 optimization for vector shifts.
12047 2006-02-20 Roger Sayle <roger@eyesopen.com>
12049 PR tree-optimization/26361
12050 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12051 of unsigned integer types.
12053 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12055 * tree-chrec.c (eq_evolutions_p): New.
12056 * tree-chrec.h (eq_evolutions_p): Declared.
12057 * tree-data-ref.c: Fix formatting.
12058 (datadep_stats, dependence_stats): New.
12060 (print_direction_vector): New.
12061 (dump_data_dependence_relation): Use print_direction_vector.
12062 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12063 (compute_subscript_distance): Static.
12064 (initialize_data_dependence_relation): Static. Get the number
12065 of loops surrounding the references from the callers, and initialize
12066 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12067 base_object_differ_p analyzers.
12068 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12069 compute_overlap_steps_for_affine_1_2,
12070 analyze_subscript_affine_affine): Count the classified dependences.
12071 Print a message when a test failed.
12072 (can_use_analyze_subscript_affine_affine): New.
12073 (analyze_siv_subscript): Compute the data dependences on symbolic
12074 scevs that verify can_use_analyze_subscript_affine_affine.
12075 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12076 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12077 Handle symbolic scevs.
12078 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12080 (subscript_dependence_tester): Moved...
12081 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12082 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12083 DDR_SIZE_VECT instead of getting it in parameter.
12084 (subscript_dependence_tester): ... here. Take as a parameter
12085 loop_nest_depth. Call build_classic_dist_vector and
12086 build_classic_dir_vector.
12087 (compute_affine_dependence): Update subscript_dependence_tester
12088 parameters. Update datadep_stats counters. Call
12089 compute_subscript_distance.
12090 (compute_self_dependence): Save the dist and dir vectors. Call
12091 compute_subscript_distance.
12092 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12093 (compute_all_dependences): Reorder parameters as they were before
12094 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12095 compute_subscript_distance. Update the use of
12096 compute_affine_dependence and initialize_data_dependence_relation.
12097 (find_data_references_in_loop): Handle COMPONENT_REF.
12098 (compute_data_dependences_for_loop): Initialize dependence_stats.
12099 Don't call build_classic_dist_vector and build_classic_dir_vector.
12100 Update the parameters of initialize_data_dependence_relation and
12101 compute_all_dependences. Print the statistics from datadep_stats.
12102 (analyze_all_data_dependences): Static. Not used until the pass for
12103 checking the data dependences is contributed.
12104 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12105 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12106 (initialize_data_dependence_relation, compute_affine_dependence,
12107 analyze_all_data_dependences, compute_subscript_distance): Removed.
12108 (print_direction_vector): New.
12109 * lambda.h (gcd): ... here.
12110 (lambda_vector_gcd): Moved here from gcd_vector.
12111 * lambda-code.c (gcd, gcd_vector): Removed.
12112 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12113 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12115 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12117 * ipa-type-escape.c: Tidy some comments and white space.
12118 * tree-ssa-operands.c: Likewise.
12120 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12123 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12124 (dump_decl_name): Do not walk the decl tree chains.
12125 * tree-pass.h (TDF_CHAIN): Remove.
12127 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12129 * Makefile.in (C): Remove
12131 (.PHONY): Remove C and PROTO
12133 2006-02-20 Roger Sayle <roger@eyesopen.com>
12135 PR middle-end/26236
12136 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12137 deprecated CHAR_TYPE tree code.
12139 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12141 * configure.ac (target_list): Add install-info, dvi, html.
12142 * configure: Regenerate.
12144 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12145 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12146 treelang/Make-lang.in: Do not use double-colon rules.
12148 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12150 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12151 (TMT_USED_ALONE): New macro.
12152 * tree-pass.h (PROP_tmt_usage): New property.
12153 (TODO_update_tmt_usage): New todo.
12154 * tree-ssa-alias.c (updating_used_alone): New variable.
12155 (recalculate_used_alone): New function.
12156 (compute_may_aliases): Set updating_used_alone, call
12157 recalculate_used_alone.
12158 * tree-sra.c (pass_sra): Note that this pass destroys
12159 PROP_tmt_usage, and add TODO_update_tmt_usage.
12160 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12161 * tree-flow.h (updating_used_alone): Prototype.
12162 (recalculate_used_alone): Ditto.
12163 * passes.c (execute_todo): Add code to set updating_used_alone,
12164 and call recalculate.
12165 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12166 for clobber if used alone, and add assert to verify used_alone
12169 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12171 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12172 for non tls symbols added.
12173 (legitimize_address): Do nothing for PLUS expressions if one of the
12174 addends is a tls symbol reference.
12176 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12180 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12182 * Makefile.in (BOOTSTRAPPING): New.
12183 (quickstrap): New definition if BOOTSTRAPPING=yes.
12185 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12186 * configure.ac: Substitute all_selected_languages with the languages
12187 that were configured. For all the other variables except
12188 lang_specs_files, include all the languages in the tree.
12189 * configure: Regenerate.
12191 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12192 if there is one. Run the commands to run fixincludes in the same
12195 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12196 * doc/install.texi: Document exact conventions for searching target tools.
12197 Document --with-build-time-tools. Document toplevel bootstrap. Document
12198 something more about building an Ada cross-compiler. Don't list GNU Make
12199 requirements which affect all platforms.
12201 2006-02-19 Roger Sayle <roger@eyesopen.com>
12203 PR middle-end/19543
12204 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12205 only equivalent if the have both the same mode and precision.
12207 2006-02-20 Ben Elliston <bje@au.ibm.com>
12209 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12211 2006-02-19 Roger Sayle <roger@eyesopen.com>
12212 Steven Bosscher <stevenb.gcc@gmail.com>
12214 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12215 constant pool references to identify stack mode constants.
12216 * rtlanal.c (constant_pool_constant_p): New predicate to check
12217 whether operand is a floating point constant in the pool.
12218 * rtl.h (constant_pool_constant_p): Prototype here.
12219 * loop.c (scan_loop): Avoid hoisting constants from the constant
12220 pool on STACK_REGS targets.
12221 (load_mems): Likewise.
12222 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12223 loads into x87 registers expensive in terms of register pressure.
12225 2006-02-19 Roger Sayle <roger@eyesopen.com>
12227 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12228 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12230 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12232 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12233 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12235 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12237 * doc/invoke.texi: Document -fipa-pta.
12238 * common.opt: Add ipa-pta option.
12239 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12240 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12241 (do_ds_constraint): Ditto.
12242 (get_constraint_for): Only add to referenced_vars if
12243 referenced_vars exists.
12244 (insert_into_field_list): Rewrite to do this unsorted.
12245 (insert_into_field_list_sorted): Rename old insert_into_field_list
12247 (create_function_info_for): Use insert_into_field_list_sorted.
12248 (create_variable_info_for): Rewrite so it uses unsorted version,
12249 since the field list is sorted.
12250 (intra_create_variable_infos): Only add to referenced_vars if
12251 referenced_vars exists.
12252 (ipa_pta_execute): Init heapvars, and delete when done.
12253 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12255 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12257 * doc/install.texi: Add missing `@samp'.
12259 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12261 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12264 2006-02-18 Mark Wielaard <mark@klomp.org>
12266 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12267 who added new 4.1 features, bug fixes and integration support.
12269 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12272 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12273 MEM for ABI_V4 pic.
12275 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12277 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12278 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12279 (copy_insn_1): Likewise. Don't copy each field individually.
12281 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12283 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12284 * rtl.c (rtx_size): Rename variable to...
12285 (rtx_code_size): ...this.
12286 (rtx_size): New function.
12287 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12288 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12290 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12291 * rtl.h (rtx_code_size): New variable.
12292 (rtx_size): Change from a variable to a function.
12293 (RTX_SIZE): Rename to...
12294 (RTX_CODE_SIZE): ...this.
12297 PR tree-optimization/17106
12298 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12299 (Anchored Addresses): New section.
12300 * doc/invoke.texi (-fsection-anchors): Document.
12301 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12302 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12303 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12304 * hooks.c (hook_bool_mode_rtx_false): New function.
12305 * hooks.h (hook_bool_mode_rtx_false): Declare.
12306 * gengtype.c (create_optional_field): New function.
12307 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12308 SYMBOL_REF_IN_BLOCK_P is true.
12309 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12310 (min_anchor_offset, max_anchor_offset): Likewise.
12311 (use_anchors_for_symbol_p): New hook.
12312 * toplev.c (compile_file): Call output_object_blocks.
12313 (target_supports_section_anchors_p): New function.
12314 (process_options): Check that -fsection-anchors is only used on
12315 targets that support it and when -funit-at-a-time is in effect.
12316 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12317 if the decl doesn't have one.
12318 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12319 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12320 of force_const_mem through use_anchored_address.
12321 (expand_expr_constant): New function.
12322 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12323 calling expand_expr for INDIRECT_REF.
12324 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12325 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12326 * expr.h (use_anchored_address): Declare.
12327 * loop-unroll.c: Don't declare rtx vectors here.
12328 * explow.c: Include output.h.
12329 (validize_mem): Call use_anchored_address.
12330 (use_anchored_address): New function.
12331 * common.opt (-fsection-anchors): New switch.
12332 * varasm.c (object_block_htab, anchor_labelno): New variables.
12333 (hash_section, object_block_entry_eq, object_block_entry_hash)
12334 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12335 (use_blocks_for_decl_p, change_symbol_section): New functions.
12336 (get_variable_section): New function, split out from assemble_variable.
12337 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12338 use_blocks_for_decl_p say so. Use change_symbol_section if the
12339 symbol has already been created.
12340 (assemble_variable_contents): New function, split out from...
12341 (assemble_variable): ...here. Don't output any code for
12342 block symbols; just pass them to place_block_symbol.
12343 Use get_variable_section and assemble_variable_contents.
12344 (get_constant_alignment, get_constant_section, get_constant_size): New
12345 functions, split from output_constant_def_contents.
12346 (build_constant_desc): Create a block symbol if use_object_blocks_p
12347 says so. Or into SYMBOL_REF_FLAGS.
12348 (assemble_constant_contents): New function, split from...
12349 (output_constant_def_contents): ...here. Don't output any code
12350 for block symbols; just pass them to place_section_symbol.
12351 Use get_constant_section and get_constant_alignment.
12352 (force_const_mem): Create a block symbol if use_object_blocks_p and
12353 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12354 (output_constant_pool_1): Add an explicit alignment argument.
12355 Don't switch sections here.
12356 (output_constant_pool): Adjust call to output_constant_pool_1.
12357 Switch sections here instead. Don't output anything for block symbols;
12358 just pass them to place_block_symbol.
12359 (init_varasm_once): Initialize object_block_htab.
12360 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12361 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12362 (place_block_symbol, get_section_anchor, output_object_block)
12363 (output_object_block_htab, output_object_blocks): New functions.
12364 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12365 (TARGET_ASM_OUT): Include it.
12366 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12367 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12368 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12369 (TARGET_INITIALIZER): Include them.
12370 * rtl.c (rtl_check_failed_block_symbol): New function.
12371 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12372 (block_symbol, object_block): New structures.
12373 (rtx_def): Add a block_symbol field to the union.
12374 (BLOCK_SYMBOL_CHECK): New macro.
12375 (rtl_check_failed_block_symbol): Declare.
12376 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12377 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12378 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12379 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12380 * output.h (output_section_symbols): Declare.
12381 (object_block): Name structure.
12382 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12383 (default_use_anchors_for_symbol_p): Declare.
12384 * Makefile.in (RTL_BASE_H): Add vec.h.
12385 (explow.o): Depend on output.h.
12386 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12387 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12388 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12389 (rs6000_use_blocks_for_constant_p): New function.
12391 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12393 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12395 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12398 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12401 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12403 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12407 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12409 PR middle-end/26334
12410 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12411 instead of DECL_REGISTER.
12413 2006-02-18 Olivier Hainque <hainque@adacore.com>
12416 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12418 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12421 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12422 * opth-gen.awk: Handle Var and InverseMask together.
12423 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12424 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12425 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12426 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12428 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12429 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12430 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12431 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12432 LINUX_DYNAMIC_LINKER): Define.
12433 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12434 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12436 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12437 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12438 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12439 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12440 (TARGET_C99_FUNCTIONS): Don't define.
12441 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12442 GLIBC_DYNAMIC_LINKER.
12443 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12444 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12445 GLIBC_DYNAMIC_LINKER64): Define.
12446 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12447 LINUX_DYNAMIC_LINKER64.
12448 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12449 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12450 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12451 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12452 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12453 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12454 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12455 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12456 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12457 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12458 and LINUX_DYNAMIC_LINKER32.
12459 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12460 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12461 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12462 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12463 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12465 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12466 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12467 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12468 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12469 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12470 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12471 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12472 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12473 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12474 LINUX_DYNAMIC_LINKER): Define.
12475 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12476 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12477 GLIBC_DYNAMIC_LINKER64): Define.
12478 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12479 LINUX_DYNAMIC_LINKER64.
12480 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12481 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12482 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12483 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12484 LINUX_DYNAMIC_LINKER): Define.
12485 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12486 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12487 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12488 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12489 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12490 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12491 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12492 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12493 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12494 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12495 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12496 * doc/invoke.texi (-muclibc): Remove caveat about supported
12499 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12501 * doc/cpp.texi (__TIMESTAMP__): Document.
12503 2006-02-17 Roger Sayle <roger@eyesopen.com>
12505 PR middle-end/25600
12506 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12507 C is one less than the width of X (and related transformations).
12508 * simplify-rtx.c (simplify_unary_operation_1): Transform
12509 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12510 depending on STORE_FLAG_VALUE, were C is one less then the
12513 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12515 Fix PR tree-optimization/26341
12516 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12517 about NAME_MEMORY_TAG's.
12519 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12522 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12523 with hardware float support, and software float support. Add fcpy
12524 alternative to hardware patterns. Add alternatives to copy between
12525 general and floating-point registers to the 32-bit pattern.
12526 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12527 secondary reload to load a QI or HI mode constant into a floating
12529 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12530 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12532 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12535 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12537 (load_macho_picbase_di): Likewise.
12539 2006-02-16 Jeff Law <law@redhat.com>
12541 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12542 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12543 (ssa_name_nonzero_p): Likewise.
12544 (get_value_range): Return NULL if VRP is not running.
12545 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12546 VRP routines do not discover a range.
12547 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12548 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12549 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12550 (tree_expr_nonnegative_p): Similarly.
12551 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12552 (restore_nonzero_vars_to_original_value): Remove.
12553 (unsafe_associative_fp_binop): Remove.
12554 (tree_ssa_dominator_optimize): Remove initialization and
12555 finalization of nonzero_vars and nonzero_vars_stack.
12556 (dom_opt_initialize_block): No longer push marker on
12557 nonzero_vars_stack.
12558 (dom_opt_finalize_block): No longer call
12559 restore_nonzero_vars_to_original_value.
12560 (record_equivalences_from_phis): No longer look for
12561 nonzero PHI arguments.
12562 (cprop_into_successor_phis): No longer propagate nonzero
12563 property into PHI arguments. Lose unused argument. Caller
12565 (record_equivalences_from_stmt): No longer record nonzero
12566 values for SSA_NAMEs.
12567 (lookup_avail_expr): No longer use nonzero_vars.
12569 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12570 for sizetype when sizetype is unsigned.
12572 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12574 PR rtl-optimization/25603
12575 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12576 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12577 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12578 with new meaning of SETS.
12580 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12585 * config/linux.opt: New file.
12586 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12587 LINUX_DYNAMIC_LINKER): Define.
12588 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12589 * config.gcc (*-*-linux*): Define extra_options.
12590 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12591 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12592 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12593 GLIBC_DYNAMIC_LINKER.
12594 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12595 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12596 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12597 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12598 * doc/invoke.texi (GNU/Linux Options): New section.
12600 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12602 * config/sparc/sparc.md (setjmp): Rewrite.
12603 (setjmp_32): Delete.
12604 (setjmp_64): Likewise.
12606 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12608 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12611 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12613 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12616 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12618 PR rtl-optimization/26296
12619 * Makefile.in (loop-invariant.c): Add except.h dependency.
12620 * loop-invariant.c: Include except.h.
12621 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12623 2005-02-16 Paul Brook <paul@codesourcery.com>
12625 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12628 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12630 PR rtl-optimization/25636
12631 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12632 when deciding whether an insn is an initializing insn.
12634 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12636 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12637 (tree_code_size): Ditto.
12638 * tree.h (struct tree_memory_tag): Remove parent_var.
12639 (struct tree_struct_field_tag): New.
12642 (union tree_node): Add sft member.
12643 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12645 (create_sft): Add size and offset argument, set SFT_OFFSET and
12647 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12648 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12649 * tree-flow-inline.h (get_subvar_at): Update for
12650 SFT_OFFSET/SFT_SIZE.
12651 (var_can_have_subvars): Ditto.
12652 (overlap_subvar): Ditto.
12653 * print-tree.c (print_node): Print out interesting things for
12655 * tree-flow.h (struct subvar): Remove offset and size members.
12656 * tree-ssa-operands.c (get_expr_operands): Update for
12657 get_indirect_ref_operands changes.
12658 (get_indirect_ref_operands): Call add_virtual_operand instead of
12659 add_stmt_operand. Only recurse on base var if requested.
12660 (access_can_touch_variable): New function.
12661 (add_stmt_operand): Split virtual operand handling into ...
12662 (add_virtual_operand): Here. Add offset, size, and for_clobber
12663 arguments. Prune alias sets.
12664 (add_call_clobber_ops): Call add_virtual_operand.
12666 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12668 PR middle-end/26300
12669 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12671 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12672 than TREE_CODE as index into omp_clause_num_ops array.
12674 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12676 PR rtl-optimization/26184
12677 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12679 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12680 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12681 must_precede, must_follow and tobe_scheduled.
12684 * opts.c (common_handle_option): Free new_option pointer.
12685 * df-core.c (df_analyze): Free postorder pointer.
12687 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12689 * Makefile.in: Fix the examples about the use of stamps
12691 2006-02-15 Michael Matz <matz@suse.de>
12693 PR middle-end/22275
12695 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12696 influenced by maximum_field_alignment or DECL_PACKED.
12697 (update_alignment_for_field): Ditto.
12698 (place_field): Ditto.
12699 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12702 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12704 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12705 (debug_flow_info): Pass it.
12706 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12707 * bb-reorder.c (reorder_basic_blocks): Likewise.
12708 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12709 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12710 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12711 * gcse.c (gcse_main, bypass_jumps): Likewise.
12712 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12713 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12714 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12715 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12716 * rtl.h (dump_flow_info): Adjust prototype.
12717 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12718 * var-tracking.c (variable_tracking_main): Likewise.
12719 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12720 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12723 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12725 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12728 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12730 PR tree-optimization/26209
12731 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12732 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12734 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12736 2006-02-14 Roger Sayle <roger@eyesopen.com>
12738 PR middle-end/23670
12739 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12740 (X,Y) and the corresponding symmetry related transformations.
12741 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12742 (X,Y) and its symmetry related transformations.
12744 2006-02-14 Roger Sayle <roger@eyesopen.com>
12746 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12749 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12751 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12753 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12756 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12757 support COMDAT group.
12758 * configure: Regenerate.
12760 2006-02-14 Roger Sayle <roger@eyesopen.com>
12762 PR middle-end/26279
12763 PR middle-end/26280
12764 PR middle-end/26283
12765 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12767 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12769 Fix PR tree-optimization/26260
12771 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12773 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12774 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12775 * tree-ssa-structalias.c (create_variable_info_for): Use
12776 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12778 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12780 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12782 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12783 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12784 of the ending condition.
12785 * tree-ssa-loop-manip.c: Include params.h.
12786 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12787 tree_unroll_loop): New functions.
12788 * tree-pass.h (pass_loop_prefetch): Declare.
12789 * loop.c (rest_of_handle_loop_optimize): Test for
12790 -fprefetch-loop-arrays-rtl.
12791 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12792 * timevar.def (TV_TREE_PREFETCH): New timevar.
12793 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12794 pass_loop_prefetch): New.
12795 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12796 (cleanup_tree_cfg_loop): Call scev_reset.
12797 * common.opt (fprefetch-loop-arrays-rtl): Add.
12798 * tree-ssa-loop-prefetch.c: New file.
12799 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12800 (new_temp_expr_table): Initialize expr_vars.
12801 (free_temp_expr_table): Cleanup expr_vars.
12802 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12803 expressions from being merged into one.
12804 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12805 (struct tree_niter_desc): Add control, bound and cmp fields.
12806 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12808 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12809 (tree-cfgcleanup.o): Add SCEV_H dependency.
12810 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12811 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12813 2006-02-14 Richard Guenther <rguenther@suse.de>
12815 PR tree-optimization/26258
12816 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12817 in PHI argument processing.
12819 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12821 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12822 new expression in the requested machine mode.
12824 2006-02-13 Roger Sayle <roger@eyesopen.com>
12826 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12827 directly, instead let do_compare_rtx_and_jump handle this for us.
12828 * expr.c (expand_expr_real_1): Likewise.
12829 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12830 before do_jump_by_parts_greater.
12831 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12832 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12834 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12836 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12838 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12840 PR rtl-optimization/26235
12841 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12842 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12845 2006-02-13 Jeff Law <law@redhat.com>
12847 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12850 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12852 PR middle-end/26092
12853 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12854 twice if decl is a builtin. When trying again, call get_callee_fndecl
12855 first to verify it is still a builtin.
12857 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12859 * dwarf2out.c (base_type_die): Don't add AT_name here.
12860 (subrange_type_die): Don't add AT_name here.
12861 (modified_type_die): Rearrange code flow. Do add AT_name here.
12863 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12865 PR rtl-optimization/26247
12866 PR rtl-optimization/26248
12867 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12869 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12871 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12872 * config/fixtfdi.c: Likewise.
12873 * config/fixunstfdi.c: Likewise.
12874 * config/floatditf.c: Likewise.
12876 2006-02-13 Roger Sayle <roger@eyesopen.com>
12878 PR middle-end/24427
12879 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12880 into (X,C2) if C1 is a subset of the bits of C2. Transform
12881 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12883 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12885 2006-02-13 Josh Conner <jconner@apple.com>
12888 * varasm.c (function_section): Check for section name before
12889 calling select_section on targets that define
12890 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12891 unlikely_text_section instead of hot_function_section if
12892 first_function_block_is_cold.
12894 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12896 PR middle-end/25335
12897 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12899 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12901 PR rtl-optimization/26222
12902 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12903 after tree->rtl expansion.
12904 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12905 before passing it to emit_move_insn.
12907 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12909 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12911 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12912 Clarify documentation.
12913 * c-common.h (warn_write_strings): Remove.
12914 * c-common.c (warn_write_strings): Likewise.
12915 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12918 2006-02-12 Roger Sayle <roger@eyesopen.com>
12920 PR middle-end/25724
12921 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12922 (do_jump_parts_zero_rtx): New function renamed from
12923 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12924 (do_jump_parts_equality_rtx): New function split out from
12925 do_jump_parts_equality. Old implementation renamed as above.
12926 Call do_jump_parts_zero_rtx if either operand is zero.
12927 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12928 do all of the heavy lifting.
12929 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12930 calling either do_jump_by_parts_greater_rtx or
12931 do_jump_by_parts_equality_rtx.
12932 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12933 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12934 moved to do_compare_rtx_and_jump, call it directly.
12935 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12936 mode argument. Call do_compare_rtx_and_jump.
12937 (emit_case_nodes): Update calls to do_jump_if_equal.
12939 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12941 PR rtl-optimization/26225
12942 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12944 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12946 PR rtl-optimization/26232
12947 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12949 2006-02-11 Jason Merrill <jason@redhat.com>
12952 * tree-inline.c (declare_return_variable): Just don't use the
12953 modify target if it's a gimple complex reg and the return slot
12956 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12958 * doc/contrib.texi: Update my entry.
12960 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12962 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12964 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12966 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12969 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12971 * doc/invoke.texi (-floop-optimize2): Removed.
12972 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12973 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12974 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12975 * common.opt (floop-optimize2): Removed.
12976 (fmove-loop-invariants): Enabled by default.
12978 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12980 * tree-if-conv.c (combine_blocks): Free the result of
12981 get_loop_exit_edges.
12983 2006-02-10 Jeff Law <law@redhat.com>
12985 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12987 PR tree-optimization/26213
12988 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12989 loop trying to follow SSA_NAME_VALUE chains.
12991 2006-02-10 Richard Guenther <rguenther@suse.de>
12993 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12994 deal with structures that end in implicitly variable sized arrays.
12996 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12998 PR rtl-optimization/24762
12999 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13002 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13004 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13005 (struct ivopts_data): Add regs_used field.
13006 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13007 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13008 instead of loop_data->regs_used;
13009 (free_loop_data): Do not free aux fields for loops.
13010 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13011 and tree_ssa_iv_optimize_finalize.
13013 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13015 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13017 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13020 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13021 computing the effective result type.
13023 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13025 PR inline-asm/16194
13026 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13027 (tree_overlaps_hard_reg_set): Declare.
13028 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13029 type and signature to match function type expected by walk_tree.
13030 (tree_overlaps_hard_reg_set): New function.
13031 (decl_conflicts_with_clobbers_p): Rename to:
13032 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13033 Use tree_overlaps_hard_reg_set. Changed caller.
13034 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13035 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13036 * cris.c (cris_md_asm_clobbers): Likewise.
13038 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13040 * reload1.c (emit_input_reload_insns): Delete code that tries to
13041 inherit using find_equiv_reg.
13043 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13045 * c-common.h (flag_const_strings): Don't declare.
13046 * c-common.c (flag_const_strings): Remove.
13047 * c.opt (fconst_strings): Remove.
13048 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13049 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13050 (c_common_init_options): Don't set flag_const_strings.
13051 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13053 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13055 * arm.md (tlobits_cbranch): New pattern.
13056 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13057 testing a single bit.
13059 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13062 * tree-ssa-pre.c (create_component_ref_by_pieces):
13063 Handle RETURN_DECL like VAR_DECL.
13065 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13067 PR middle-end/26134
13068 * fold-const.c (fold_indirect_ref_1): Fold
13069 "*(foo *)&complexfoo" to "__real__ complexfoo"
13070 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13072 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13074 * tree-flow-inline.h (var_can_have_subvars):
13075 Volatile variables should not have subvariables.
13077 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13080 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13081 multiplying unsigned values.
13084 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13086 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13088 2006-02-08 Jason Merrill <jason@redhat.com>
13091 * tree.def: Elaborate on difference from MODIFY_EXPR.
13092 * doc/c-tree.texi (INIT_EXPR): Likewise.
13093 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13094 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13095 (gimplify_target_expr): Likewise.
13096 (gimplify_cond_expr): Remove target handling.
13097 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13098 (gimplify_expr): Clobber it here.
13099 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13100 Do return slot optimization if we have an INIT_EXPR.
13103 * tree-inline.c (declare_return_variable): Also clear
13104 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13107 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13109 PR middle-end/22439
13110 * gimplify.c (gimplify_one_sizepos): Fix typo.
13112 2006-02-08 Jeff Law <law@redhat.com>
13114 PR tree-optimization/21417
13115 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13116 across a backedge if the control statement at the end of the
13117 block is data dependent on other statements in the same block.
13118 (record_temporary_equivalences_from_stmts): Remove over-conservative
13119 test for threading across backedges.
13121 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13122 control statement, handle all three special cases in the same
13123 manner as they all have the same desired solution. No longer
13124 special case edge flag updating when the post dominator is
13127 2006-02-08 Roger Sayle <roger@eyesopen.com>
13129 * tree.def (CHAR_TYPE): Remove.
13130 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13131 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13132 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13133 (gen_string_type_die): Delete unreachable function.
13135 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13136 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13137 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13138 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13139 * builtins.c (type_to_class): Likewise.
13140 * fold-const.c (fold_convert, build_range_check,
13141 merge_ranges): Likewise.
13142 * expr.c (count_type_elements): Likewise.
13143 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13144 * stor-layout.c (layout_type): Likewise.
13145 * ipa-type-escape.c (type_to_consider): Likewise.
13146 * gimplify.c (omp_firstprivatize_type_sizes,
13147 gimplify_type_sizes): Likewise.
13148 * explow.c (promote_mode): Likewise.
13149 * tree-sra.c (is_sra_scalar_type): Likewise.
13150 * varasm.c (output_constant): Likewise.
13151 * tree-inline.c (remap_type_1): Likewise.
13152 * convert.c (convert_to_pointer, convert_to_real,
13153 convert_to_integer, convert_to_complex): Likewise.
13155 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13157 * df-scan.c (df_def_record_1): A set destination may
13158 be a parallel regardless of mode.
13160 2006-02-08 Roger Sayle <roger@eyesopen.com>
13163 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13164 * config/mips/_tilib.c: Remove.
13165 * config/fixtfdi.c: New libgcc source file.
13166 * config/fixunstfdi.c: New source file.
13167 * config/floatditf.c: New source file.
13168 * config/floatunditf.c: New souce file.
13169 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13170 files above instead of config/mips/_tilib.c.
13171 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13173 2006-02-08 Jeff Law <law@redhat.com>
13175 PR tree-optimization/26169
13176 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13179 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13181 * df.h (DF_REG_SIZE): Return the length of the initialized
13184 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13186 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13187 __muldf3): Return a correctly signed zero.
13189 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13191 * passes.c (register_one_dump_file): Accept the current properties
13192 instead of pass number. Adjust call to dump_register. Remove
13194 (register_dump_files): Now a wrapper around...
13195 (register_dump_files_1): ... this one. Do not modify the pass
13197 (next_pass_1): Cosmetic fix.
13198 (execute_todo): Keep second parameter only. Use curr_properties
13199 instead of fetching it from the pass structure. Check and set
13201 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13202 instead of fetching it from the pass structure. Fix calls to
13203 execute_todo. Update curr_properties and initialize .vcg RTL dump
13204 after running the pass. Reset last_verified.
13205 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13207 (FIRST_AUTO_NUMBERED_DUMP): New.
13208 (dump_register): Remove "num" parameter, assign it within the
13210 (get_dump_file_name): Modify template for dumps.
13211 * tree-dump.h (dump_register): Adjust prototype.
13212 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13213 (PROP_trees): Add PROP_gimple_lomp.
13214 (TODO_set_props): New.
13215 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13216 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13217 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13219 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13221 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13222 (sparc64-*-linux*): Likewise.
13223 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13224 * config/sparc/t-linux: New file.
13225 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13226 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13227 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13228 -m32 -mlong-double-128.
13230 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13231 * config/alpha/t-linux: New file.
13232 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13234 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13235 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13236 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13237 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13238 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13239 (CPP_ARCH32_SPEC): Remove.
13241 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13243 PR tree-optimization/26145
13244 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13247 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13250 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13251 >= 240000 when generating code for SOM runtime.
13252 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13253 to $$dyncall when generating code for SOM runtime..
13255 2006-02-07 Dirk Mueller <dmueller@suse.com>
13258 * doc/invoke.texi (-Wsequence-point): Update documentation
13259 that -Wsequence-point is implemented for C++ as well.
13261 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13263 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13264 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13265 (LIB_SPEC): Likewise.
13266 * doc/invoke.texi (SPARC options): Document -pthread.
13268 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13270 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13273 2006-02-07 Roger Sayle <roger@eyesopen.com>
13275 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13276 Correct comment describing BOOLEAN_TYPE.
13278 2006-02-07 Dirk Mueller <dmueller@suse.com>
13280 * c.opt: C++ frontend supports -Wdiv-by-zero.
13281 * c-opts.c (c_common_handle_option): Remove dead case.
13283 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13285 * configure.ac (TLS assembler check): Do not enable TLS by
13286 default on SPARC/Solaris before version 10.
13287 * configure: Regenerate.
13289 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13291 * doc/invoke.texi (xl-compat): Document conversion and support
13294 2006-02-07 Jeff Law <law@redhat.com>
13296 * tree-vrp.c (find_conditional_asserts): Update comments.
13297 (simplify_stmt_for_jump_threading): New.
13298 (identify_jump_threads, finalize_jump_threads): New.
13299 (vrp_finalize): Call identify_jump_threads.
13300 (execute_vrp): Call finalize_jump_threads.
13301 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13302 (vrp_element, vrp_data, vrp_element_p): Remove.
13303 (vrp_hash_elt, vrp_variables_stack): Remove.
13304 (vrp_hash, vrp_eq, record_range): Remove.
13305 (simplify_cond_and_lookup_avail_expr): Remove.
13306 (extract_range_from_cond): Remove.
13307 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13308 (simplify_stmt_for_jump_threading): New.
13309 (dom_thread_across_edge): New wrapper.
13310 (tree_ssa_dominator_optimize): No longer initialize or
13311 finalize any of the VRP datastructures. Remove iteration
13312 step and simplify as a result of removal of iteration step.
13313 (pass_dominator): Perform a cfg cleanup after DOM.
13314 (dom_opt_finalize_block): Use the new common routines
13315 for threading jumps. Simplify stack management slightly.
13316 No longer need to unwind VRP state.
13317 (record_equivalences_from_incoming_edge): No longer record
13319 (eliminate_redundant_computations): No longer call
13320 simplify_cond_and_lookup_avail_expr.
13321 * tree-flow.h (potentially_threadable_block): Prototype.
13322 (thread_across_edge): Likewise.
13323 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13324 (tree-ssa-threadedge.o): Add dependencies.
13325 * tree-ssa-threadedge.c: New file.
13326 * passes.c (init_optimization_passes): Merge PHIs before
13327 calling VRP. Run VRP again late in the SSA optimization pipeline.
13329 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13331 * df-core.c (df_set_blocks): Do not dereference function pointers.
13332 (df_finish1): Likewise.
13333 (df_hybrid_search_forward): Likewise.
13334 (df_hybrid_search_backward): Likewise.
13335 (df_iterative_dataflow): Likewise.
13336 (df_analyze_problem): Likewise.
13337 (df_compact_blocks): Likewise.
13338 (df_dump): Likewise.
13339 * df-scan.c (df_rescan_blocks): Likewise.
13340 (df_record_entry_block_defs): Likewise.
13342 * genconditions.c (write_conditions): Guard the definition of
13343 'insn_conditions' with the check on GCC version.
13344 (write_writer): Guard the traversal 'insn_conditions' with
13345 the check on GCC version.
13347 2006-02-07 Richard Guenther <rguenther@suse.de>
13351 2006-01-30 Richard Guenther <rguenther@suse.de>
13353 * gimplify.c (gimplify_target_expr): Handle easy cases
13354 without creating a temporary.
13356 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13358 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13359 use of float in probability computations. Use edge probabilities
13360 in place of statically computed probabilities.
13361 (min_spec_prob): New static variable.
13362 (schedule_insns): Initialize it.
13363 (GET_SRC_PROB): Removed.
13364 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13366 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13369 * config/ia64/unwind-ia64.c: Revert last change.
13370 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13371 (INCOMING_FRAME_SP_OFFSET): Define.
13373 2006-02-06 Roger Sayle <roger@eyesopen.com>
13375 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13377 2006-02-07 Ben Elliston <bje@au.ibm.com>
13379 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13380 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13381 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13382 (ix86_return_in_memory): Handle TDmode.
13383 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13384 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13386 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13388 * reorg.c (dbr_schedule): Use dump_file instead of file.
13390 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13393 * config/ia64/predicates.md (extr_len_operand): New predicate.
13394 * config/ia64/ia64.md (extv): Tighten constraints.
13396 (*tbit_and_2): Ditto.
13397 (*tbit_and_3): Ditto.
13398 (*tbit_or_2): Ditto.
13399 (*tbit_or_3): Ditto.
13400 (*bit_zero): Ditto.
13403 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13406 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13408 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13410 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13411 loop_optimizer_init and loop_optimizer_finalize
13412 * tree-ssa-sink.c (execute_sink_code): Ditto.
13413 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13414 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13415 tree_ssa_loop_done): Ditto.
13416 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13417 * sched-ebb.c: Include output.h.
13418 (schedule_ebbs): Do not use dump argument.
13419 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13420 * loop.c (loop_dump_stream): Removed.
13421 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13423 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13424 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13425 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13426 loop_iterations, strength_reduce, record_biv, record_giv,
13427 final_giv_value, check_final_value, check_ext_dependent_givs,
13428 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13429 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13430 dump_file instead of loop_dump_stream.
13431 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13432 argument dump_file.
13433 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13435 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13436 * haifa-sched.c: Include output.h
13437 (schedule_insns, sched_init): Do not use dump argument.
13438 * mode-switching.c (optimize_mode_switching): Ditto.
13439 * modulo-sched.c (stats_file): Removed.
13440 (print_node_sched_params): Do not call argument dump_file.
13441 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13442 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13444 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13446 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13447 rtl_loop_init, rtl_loop_done): Ditto.
13448 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13449 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13451 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13452 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13453 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13454 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13455 * emit-rtl.c (renumber_insns): Ditto.
13456 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13457 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13458 * regclass.c (regclass): Ditto.
13459 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13460 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13461 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13462 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13464 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13465 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13467 * gcse.c (gcse_file, debug_stderr): Removed.
13468 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13469 rest_of_handle_gcse): Do not use dump argument.
13470 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13471 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13472 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13473 compute_code_hoist_vbeinout, compute_code_hoist_data,
13474 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13475 compute_store_table, build_store_vectors, insert_insn_start_bb,
13476 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13477 store_motion): Use dump_file instead of gcse_file.
13478 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13479 * profile.c (profile_dump_file): Removed.
13480 (branch_prob): Use dump_file instead of profile_dump_file.
13481 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13483 * tree-ssa-copy.c (dump_copy_of): Ditto.
13484 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13485 dump file to life_analysis.
13486 * bt-load.c (branch_target_load_optimize): Ditto.
13487 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13489 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13490 regclass, dbr_schedule): Declaration changed.
13491 * sched-int.h (sched_init): Declaration changed.
13492 * tree-profile.c (tree_profile_dump_file): Removed.
13493 (tree_profile_hooks): Removed profile_dump_file hook.
13494 * rtl-profile (rtl_profile_dump_file): Removed.
13495 (rtl_profile_hooks): emoved profile_dump_file hook.
13496 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13498 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13499 * tree-cfg.c (build_tree_cfg): Ditto.
13500 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13501 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13502 Declaration changed.
13503 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13504 life_analysis and schedule_insns.
13505 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13507 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13509 * config/mips/mips.c (mips_reorg): Ditto.
13510 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13513 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13515 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13516 (s390_mangle_fundamental_type): New.
13517 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13520 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13521 (alpha_mangle_fundamental_type): New.
13522 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13525 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13527 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13529 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13530 (sparc_mangle_fundamental_type): New.
13532 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13534 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13535 (s390x-*-linux*): Likewise.
13536 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13537 * config/s390/t-linux: New file.
13539 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13541 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13542 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13544 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13546 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13547 (ANTIC_SAFE_LOADS): New macro.
13548 (find_or_generate_expression): Add prototype.
13549 (set_contains_value): Allow null set for sake of not always having
13550 to allocate ANTIC_SAFE_LOADS.
13551 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13552 Allow COMPONENT_REF too.
13553 (valid_in_set): Allow COMPONENT_REF.
13554 Check ANTIC_SAFE_LOADS too.
13555 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13556 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13558 (can_PRE_operation): Add COMPONENT_REF.
13559 (create_component_ref_by_pieces): New function.
13560 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13561 (insert_aux): Move AGGREGATE_TYPE_P check here.
13562 (compute_avail): Set bb local stmt uids.
13563 (pass_pre): Use TODO_update_ssa_only_virtuals.
13565 2006-02-06 Ben Elliston <bje@au.ibm.com>
13567 * configure.ac: Unconditionally disable decimal float by default.
13568 * configure: Regenerate.
13570 2006-02-06 Ben Elliston <bje@au.ibm.com>
13572 * read-rtl.c (read_name): Terminate reading on EOF.
13574 2006-02-06 Ben Elliston <bje@au.ibm.com>
13576 * dfp.c (decimal_real_arithmetic): Change second argument type
13577 from int to enum tree_code. Do not always return true, but now
13578 return result of any call to decimal_do helper functions.
13579 * dfp.h (decimal_real_arithmetic): Update prototype.
13581 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13583 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13585 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13588 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13591 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13593 * tree-vrp.c (cfg_loops): Removed.
13594 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13595 Use current_loops instead of cfg_loops. Pass flags to
13596 loop_optimizer_init.
13597 * cfgloopmanip.c (fix_loop_structure): Update only available
13599 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13600 loop_optimizer_init.
13601 * modulo-sched.c (build_loops_structure): Removed.
13602 (sms_schedule): Use loop_optimizer_init.
13603 * loop-init.c (loop_optimizer_init): Use flags to determine
13604 which properties of loops to prepare.
13605 (rtl_loop_init): Pass flags to loop_optimizer_init.
13606 * tree-ssa-sink.c (execute_sink_code): Ditto.
13607 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13608 * tree-ssa-pre.c (init_pre): Ditto.
13609 * cfgloop.h (LOOPS_NORMAL): New.
13610 (loop_optimizer_init): Declaration changed.
13612 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13614 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13615 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13617 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13619 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13621 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13622 * pa/t-pa64: Delete quadlib.c rule.
13623 * pa/x-ada: Revert last change.
13624 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13626 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13628 PR rtl-optimization/26087
13629 * rtlanal.c (canonicalize_condition): Do not cross basic block
13632 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13635 * config/ia64/ia64.c: Include debug.h.
13636 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13637 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13638 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13639 (process_epilogue, process_set, process_for_unwind_directive):
13640 Output unwind info only if requested. Add CFA info if requested.
13641 Add new arguments as needed. Adjust callers.
13642 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13644 (DWARF2_FRAME_INFO): Define to zero.
13645 * config/ia64/unwind-ia64.c: Remove code that compensated for
13646 the CFA offset error fixed above.
13647 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13648 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13649 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13650 -funwind-tables and -fexceptions to enable frame info.
13651 (dwarf2out_frame_init): Define initial CFA even if
13652 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13653 DWARF2_UNWIND_INFO is nonzero, not just defined.
13654 (dwarf2out_frame_finish): Output non-EH call frame info only
13655 if DWARF2_FRAME_INFO is nonzero.
13656 (convert_cfa_to_loc_list,
13657 compute_frame_pointer_to_cfa_displacement): Define even if
13658 unwind info is not supported.
13659 (gen_subprogram_die): Use the above unconditionally. Remove
13660 legacy alternate code.
13661 * toplev.c (compile_file): Compile in call to
13662 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13663 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13665 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13666 Jakub Jelinek <jakub@redhat.com>
13668 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13669 IBM extended float format long double as "g" on powerpc*-linux.
13671 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13674 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13675 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13677 2006-02-03 Jason Merrill <jason@redhat.com>
13680 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13682 PR middle-end/25977
13683 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13684 on the return slot if it's an NRV.
13686 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13688 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13689 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13690 rewrite_use): Do not handle USE_OUTER.
13691 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13692 add_iv_outer_candidates, may_replace_final_value,
13693 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13694 (find_interesting_uses_op): Functionality of
13695 find_interesting_uses_outer_or_nonlin moved here.
13696 (find_interesting_uses_outside): Use find_interesting_uses_op.
13698 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13701 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13703 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13704 Ulrich Weigand <uweigand@de.ibm.com>
13707 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13708 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13709 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13710 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13712 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13713 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13714 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13715 Define secondary reloads for TFmode moves.
13716 (constant_modes): Add TFmode.
13717 (NR_C_MODES): Set to 8.
13718 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13720 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13721 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13722 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13723 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13724 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13725 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13726 (FPR mode macro): Add TFmode.
13727 (DSF mode macro): New.
13728 (<de>, <dee> mode attributes): Removed.
13729 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13730 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13731 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13732 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13733 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13734 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13735 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13736 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13737 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13738 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13739 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13740 "*negabs<mode>2", "sqrt<mode>2"):
13741 Changed <de> to <xde>. R constraint replaced by <Rf>.
13742 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13744 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13745 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13746 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13748 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13749 "extenddftf2", "extendsftf2"): New expanders.
13750 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13751 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13752 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13753 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13755 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13756 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13757 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13758 __floatditf): Add a GCC_4.1.0 symbol version tag.
13759 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13762 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13765 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13766 Use targetm.binds_local_p instead of TREE_PUBLIC.
13768 2006-02-02 Roger Sayle <roger@eyesopen.com>
13770 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13771 on INTEGER_TYPEs to indicate that it denotes a character type.
13772 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13773 signed_char_type_node, unsigned_char_type_node and char_type_node.
13774 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13775 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13776 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13778 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13779 Daniel Berlin <dberlin@dberlin.org>
13781 * tree-tailcall.c (arg_needs_copy_p): New function.
13782 (eliminate_tail_call): Use arg_needs_copy_p.
13783 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13784 (add_virtual_phis): New function.
13786 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13788 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13789 #ignore instead of #scratch for %g7 .register directive.
13791 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13793 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13796 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13798 * flow.c (calculate_global_regs_live): Assert that there aren't any
13801 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13803 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13804 what its name says.
13805 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13806 bsi_after_labels iterator.
13807 * tree-if-conv.c (find_phi_replacement_condition,
13808 replace_phi_with_cond_modify_expr): Likewise.
13809 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13810 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13812 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13814 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13816 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13819 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13820 array after growing it.
13822 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13824 PR middle-end/24901
13825 * fold-const.c (fold_checksum_tree): Change type of buf.
13827 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13829 * reload.c (push_secondary_reload): Initialize t_icode.
13831 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13833 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13834 -msoft-float -mlong-double-128 only issue a warning, but don't
13835 swich to DFmode long double.
13837 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13839 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13840 has a constant equivalent, iterate over equivalents for arg0,
13841 calling simplify_relational_operation and if there's a result
13842 cheaper than X, apply fold_rtx and return the result.
13844 2006-02-01 Jan Hubicka <jh@suse.cz>
13846 * opts.c (no_unit_at_a_time_default): New global variable.
13847 (decode_options): Use it.
13848 * opts.h (no_unit_at_a_time_default): Declare.
13850 2006-02-01 Paul Brook <paul@codesourcery.com>
13852 * function.c (assign_parm_setup_reg): Use function argument promotion
13854 * expr.c (expand_expr_real_1): Use function argument promotion rules
13857 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13859 * gcc.c (process_command): Change j to 'unsigned int'.
13861 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13863 PR middle-end/26001
13864 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13865 Use the corrected index for the character
13866 out of the string constant.
13868 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13870 * mode-switching.c (optimize_mode_switching): Fix size
13871 allocated for bb_info[n_entities].
13873 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13875 * gcc.c (main): Correct type that is allocated for
13876 explicit_link_files.
13878 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13880 * config/s390/s390.c (init_alignment_context): Set
13881 ALIAS_SET_MEMORY_BARRIER on the MEM.
13882 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13884 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13886 PR middle-end/25933
13887 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13889 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13892 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13894 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13895 * regrename.c: Ditto.
13896 * tree-ssa-loop-im.c: Ditto.
13897 * tree-dump.c: Ditto.
13898 * tree-complex.c: Ditto.
13899 * genrecog.c: Ditto.
13900 * tree-ssa-threadupdate.c: Ditto.
13902 * java/class.c: Ditto.
13903 * java/jcf-parse.c: Ditto.
13904 * java/resource.c: Ditto.
13905 * java/except.c: Ditto.
13906 * java/jvspec.c: Ditto.
13907 * java/jcf-write.c: Ditto.
13908 * java/jcf-path.c: Ditto.
13909 * java/gjavah.c: Ditto.
13910 * java/zextract.c: Ditto.
13911 * java/jcf-io.c: Ditto.
13912 * java/jcf.h: Ditto.
13913 * java/buffer.c: Ditto.
13914 * java/lang.c: Ditto.
13915 * java/parse-scan.y: Ditto.
13916 * java/lex.c: Ditto.
13917 * java/lex.h: Ditto.
13918 * cfgloopmanip.c: Ditto.
13919 * postreload-gcse.c: Ditto.
13920 * tree-ssa-loop-manip.c: Ditto.
13921 * postreload.c: Ditto.
13922 * tree-ssa-loop-ch.c: Ditto.
13925 * cppspec.c: Ditto.
13926 * diagnostic.c: Ditto.
13928 * genoutput.c: Ditto.
13930 * cfghooks.c: Ditto.
13931 * cfgloopanal.c: Ditto.
13932 * objc/objc-act.c: Ditto.
13934 * genextract.c: Ditto.
13935 * genautomata.c: Ditto.
13936 * pretty-print.c: Ditto.
13937 * genemit.c: Ditto.
13938 * cgraphunit.c: Ditto.
13940 * df-scan.c: Ditto.
13941 * haifa-sched.c: Ditto.
13942 * dominance.c: Ditto.
13944 * tree-ssa-loop-ivopts.c: Ditto.
13945 * df-core.c: Ditto.
13946 * mode-switching.c: Ditto.
13947 * modulo-sched.c: Ditto.
13949 * ipa-pure-const.c: Ditto.
13951 * fix-header.c: Ditto.
13953 * tree-stdarg.c: Ditto.
13954 * ipa-utils.c: Ditto.
13955 * loop-init.c: Ditto.
13956 * ipa-inline.c: Ditto.
13957 * cfganal.c: Ditto.
13959 * alloc-pool.c: Ditto.
13960 * dwarf2out.c: Ditto.
13962 * genattrtab.c: Ditto.
13963 * tree-ssa-loop-ivcanon.c: Ditto.
13964 * predict.c: Ditto.
13965 * timevar.c: Ditto.
13967 * fortran/gfortranspec.c: Ditto.
13968 * regmove.c: Ditto.
13969 * local-alloc.c: Ditto.
13970 * langhooks.c: Ditto.
13971 * function.c: Ditto.
13972 * tree-vectorizer.c: Ditto.
13974 * ipa-type-escape.c: Ditto.
13976 * tree-if-conv.c: Ditto.
13977 * profile.c: Ditto.
13979 * tree-data-ref.c: Ditto.
13980 * loop-unroll.c: Ditto.
13981 * treelang/treetree.c: Ditto.
13983 * bt-load.c: Ditto.
13984 * ggc-common.c: Ditto.
13986 * coverage.c: Ditto.
13988 * tree-cfgcleanup.c: Ditto.
13989 * tree-ssa-pre.c: Ditto.
13990 * cfgcleanup.c: Ditto.
13991 * loop-invariant.c: Ditto.
13992 * loop-iv.c: Ditto.
13993 * ipa-prop.c: Ditto.
13994 * print-tree.c: Ditto.
13995 * conflict.c: Ditto.
13996 * ggc-page.c: Ditto.
13997 * sched-deps.c: Ditto.
13998 * regclass.c: Ditto.
13999 * tree-object-size.c: Ditto.
14000 * combine.c: Ditto.
14001 * bb-reorder.c: Ditto.
14002 * resource.c: Ditto.
14003 * var-tracking.c: Ditto.
14004 * cfgloop.c: Ditto.
14005 * df-problems.c: Ditto.
14006 * reg-stack.c: Ditto.
14008 * gccspec.c: Ditto.
14009 * sched-rgn.c: Ditto.
14010 * tree-ssa-structalias.c: Ditto.
14011 * tree-ssa-reassoc.c: Ditto.
14012 * config/darwin-c.c: Ditto.
14013 * config/darwin.c: Ditto.
14014 * config/arm/arm.c: Ditto.
14016 * collect2.c: Ditto.
14017 * reload1.c: Ditto.
14019 2006-01-31 Nicolas Pitre <nico@cam.org>
14021 * arm.md (smaxsi3): Make aware of smax_m1.
14024 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14026 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14028 2006-01-31 Richard Guenther <rguenther@suse.de>
14030 * doc/invoke.texi (-msselibm): Document.
14031 * target.h (expand_library_builtin): New target hook.
14032 * builtins.c (expand_builtin): Use expand_library_builtin.
14033 (default_expand_library_builtin): New function.
14034 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14035 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14036 (link_gcc_math_spec): Declare.
14037 (static_specs): Add link_gcc_math_spec.
14038 * expr.h (default_expand_library_builtin): Declare.
14039 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14040 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14041 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14042 * config/i386/i386.opt (msselibm): New target option.
14043 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14044 (ix86_init_sse_abi_builtins): New function.
14045 (ix86_expand_library_builtin): Likewise.
14046 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14047 (override_options): Handle error conditions wrt -msselibm.
14048 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14049 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14050 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14053 2006-01-31 Richard Guenther <rguenther@suse.de>
14054 Paolo Bonzini <bonzini@gnu.org>
14056 * doc/install.texi (--disable-libgcc-math): Document.
14058 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14060 * expr.h (expand_normal): new inline function.
14061 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14062 * dojump.c: use it.
14063 * dwarf2out.c: use it.
14066 * expmed.c: use it.
14067 * except.c: use it.
14068 * config/sparc/sparc.c: use it.
14069 * config/i386/i386.c: use it.
14070 * config/rs6000/rs6000.c: use it.
14071 * config/arm/arm.c: use it.
14072 * config/mips/mips.c: use it.
14073 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14075 2006-01-30 Roger Sayle <roger@eyesopen.com>
14077 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14078 argv to the appropriate type.
14080 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14082 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14085 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14088 * config/s390/s390.c (struct machine_function): New flag
14089 decomposed_literal_pool_addresses_ok_p.
14090 (s390_reorg): Set it before final stage of literal pool transforms.
14091 (s390_decompose_address): Only accept displacements of the form
14092 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14094 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14096 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14097 the comparison routine return.
14099 2006-01-30 Michael Matz <matz@suse.de>
14101 * global.c (find_reg): Only evict for global regs.
14102 Take n_refs into account and dump more info.
14104 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14107 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14108 (pragma_trap, pragma_nosave_low_regs): Likewise.
14109 (current_function_anonymous_args): Likewise.
14110 (sh_deferred_function_attributes): New variable.
14111 (sh_deferred_function_attributes_tail): Likewise.
14112 (print_operand): For '@', look up trap_exit attribute.
14113 (calc_live_regs): Look up trapa_handler attribute. For trapa
14114 handlers, save/restore fpscr, but don't do any other
14115 interrupt-specific saves.
14116 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14117 Fix check for partially saved registers to check for SHmedia.
14118 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14119 (sh_output_function_epilogue): Don't clear any of the removed
14121 (sh_insert_attributes): Don't check pragma_interrupt.
14122 Insert deferred attributes. Check that interrupt attribute is
14123 present for other attributes that require its presence.
14124 (sh_attribute_table): Add new attributes trapa_handler and
14126 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14127 Don't check for pragma_interrupt. Don't store argument.
14128 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14129 (sh_deferred_function_attributes): Declare.
14130 (sh_deferred_function_attributes_tail): Likewise.
14131 * sh.md (sp_switch_1): Add operand. Change generator caller.
14132 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14133 (*return_i): Don't use when trap_exit attribute is in effect.
14134 (*return_trapa): New insn pattern.
14135 * sh-c.c: New file.
14136 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14137 setting c_target_objs and cxx_target_objs.
14138 * t-sh: Add rule for sh-c.o.
14140 2006-01-30 Richard Guenther <rguenther@suse.de>
14143 * gimplify.c (gimplify_target_expr): Handle easy cases
14144 without creating a temporary.
14146 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14148 * vec.h (safe_grow): Remove duplicated line.
14150 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14153 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14154 (expand_omp): ... here.
14155 (expand_omp_parallel): Only remove barriers for combined
14156 parallel+workshare constructs.
14158 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14162 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14163 * tree.c (build_qualified_type): Chain the new type to the original
14164 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14165 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14166 (build_pointer_type_for_mode): Only return unqualified types.
14167 (build_reference_type_for_mode): Likewise.
14169 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14171 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14172 * Makefile.in (CXX_COMPAT_WARN): Define.
14173 * configure: Regenerate.
14175 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14178 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14181 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14183 * toplev.c: Fix thinko.
14185 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14186 Marcin Dalecki <martin@dalecki.de>
14188 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14189 (push_srcloc): Use XNEW.
14190 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14192 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14194 * df-core.c (df_set_blocks): Deleted all variable.
14196 2006-01-28 Ian Lance Taylor <ian@airs.com>
14198 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14199 cgraph_output_pending_asms.
14201 2006-01-28 Zack Weinberg <zackw@panix.com>
14203 * c.opt: Add -W(no-)overlength-strings.
14204 * doc/invoke.texi: Document it.
14205 * c-opts.c (c_common_handle_option): -pedantic implies
14206 -Woverlength-strings, if not explicitly disabled already.
14207 (c_common_post_options): -Woverlength-strings defaults to off, and
14208 is always off for C++.
14209 * c-common.c (fix_string_type): Issue warning about strings longer
14210 than is portable only if warn_overlength_strings. Rearrange code
14211 a little for clarity.
14212 * configure.in: Check for -Wno-overlength-strings as well before
14213 enabling -pedantic in stage 1.
14214 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14215 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14217 * genconditions.c (write_header, write_one_condition)
14218 (write_conditions, write_writer): Consolidate very long strings
14219 that were broken up to fit in C89 portable limit. Don't use
14220 printf when fputs will do.
14222 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14224 * combine.c (simplify_comparison <AND>): Check
14225 TRULY_NOOP_TRUNCATION before start using a subreg.
14227 * config/mips/mips.md (*branch_zero<mode>,
14228 *branch_zero<mode>_inverted, *branch_equality<mode>,
14229 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14230 Remove mode check from comparisons.
14232 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14234 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14236 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14238 * expmed.c (const_mult_add_overflow_p): Remove.
14239 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14241 * recog.c (validate_replace_rtx_subexp): Remove.
14242 * recog.h: Remove the prototype for
14243 validate_replace_rtx_subexp.
14245 * integrate.h: Remove the prototype for
14246 copy_decl_for_inlining.
14247 * rtl.h: Remove the prototype for mark_constant_function.
14248 * tree-vectorizer.h: Remove the prototype for
14249 vect_strip_conversion.
14251 * modulo-sched.c (create_partial_schedule,
14252 free_partial_schedule, reset_partial_schedule): Make them
14255 * hooks.c (hook_bool_rtx_int_false): Remove.
14256 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14258 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14260 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14261 and -mlong-double-128 are incompatible.
14262 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14263 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14264 (TARGET_LIBGCC2_CFLAGS): Define.
14265 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14266 (TARGET_LIBGCC2_CFLAGS): Same.
14267 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14269 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14272 * c-typeck.c (build_binary_op): Perform implicit casts of
14273 operands before shortening them.
14275 * cfgloopmanip.c (split_loop_bb): Remove.
14276 * cfgloop.h: Remove the prototype for split_loop_bb.
14278 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14279 * cfgloop.h: Remove the prototype for
14280 flow_loop_outside_edge_p.
14282 * emit-rtl.c (init_virtual_regs): Make it static.
14283 * function.h: Remove the prototype for init_virtual_regs.
14285 * recog.c (peephole2_optimize): Make it static.
14286 * recog.h: Remove the prototype for peephole2_optimize.
14288 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14290 * df-scan.c (df_record_entry_block_defs): Check if
14291 INCOMING_RETURN_ADDR_RTX is defined.
14293 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14294 Kenneth Zadeck <zadeck@naturalbridge.com>
14296 PR rtl-optimization/24762
14297 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14298 * targhooks.c (hook_void_bitmap): New hook prototype.
14299 * targhoohs.h (hook_void_bitmap): Ditto.
14300 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14301 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14302 * target.h (live_on_entry): New function pointer.
14303 * df-scan.c (df_all_hard_regs): Removed.
14304 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14305 (df_scan_free_internal): Added df->entry_block_defs.
14306 (df_scan_alloc): Ditto.
14307 (df_scan_dump): Ditto.
14308 (df_uses_record): Plumbed flag field properly thru calls.
14309 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14310 This part fixes PR24762.
14311 (df_bb_refs_record): Added code to make the frame and arg
14312 pointers live in EH blocks.
14313 (df_refs_record): Added call to df_record_entry_block_defs.
14314 (df_record_entry_block_defs): New function.
14315 * df-core.c: Added comments to describe new artifical defs.
14316 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14317 (entry_block_defs): New field in struct df.
14318 (df_all_hard_regs): Deleted.
14319 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14320 * df-problems.c (df_ru_bb_local_compute_process_def):
14321 Added code to handle artifical defs in the entry to a function.
14322 (df_ru_bb_local_compute): Ditto.
14323 (df_rd_bb_local_compute_process_def): Ditto.
14324 (df_rd_bb_local_compute): Ditto.
14325 (df_lr_bb_local_compute): Ditto.
14326 (df_ur_bb_local_compute): Ditto.
14327 (df_urec_bb_local_compute): Ditto.
14328 (df_chain_create_bb): Ditto.
14329 (df_ur_local_finalize): Removed entry.
14330 (df_urec_init): Ditto.
14331 (df_urec_local_finalize): Ditto.
14332 (df_ri_bb_compute): Added detection of last use of pseudos.
14333 * Makefile.in (df-scan.o): Updated dependencies.
14334 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14335 * config/mips/mips.c (mips_set_live_on_entry): Added.
14336 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14338 * dce.c (marked_insn_p): Added code to handle artifical defs.
14340 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14342 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14344 (_mm_cvtsi128_si64): Likewise.
14345 (_mm_cvtsd_si64): Likewise.
14346 (_mm_cvttsd_si64): Likewise.
14347 (_mm_cvtsi64_sd): Likewise.
14348 (_mm_cvtsi64_si128): Likewise.
14349 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14350 (_mm_cvtsi64_m64): Likewise.
14351 (_m_to_int64): Likewise.
14352 (_mm_cvtm64_si64): Likewise.
14353 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14354 (_mm_cvttss_si64): Likewise.
14355 (_mm_cvtsi64_ss): Likewise.
14356 (_mm_cvtss_f32): Likewise.
14358 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14360 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14361 for pragma redefine_extname.
14363 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14366 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14367 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14368 -mno-minimal-toc to previous content.
14369 (bispecs): Remove goal.
14370 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14371 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14372 compatibility aliases on powerpc-*-*gnu*.
14373 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14374 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14375 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14376 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14377 (ldblspecs): New goal.
14378 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14379 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14381 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14382 L_sf_to_tf or L_df_to_tf is defined.
14384 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14385 Alan Modra <amodra@bigpond.net.au>
14388 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14389 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14390 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14391 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14392 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14393 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14394 (rs6000_override_options): Initialize rs6000_ieeequad.
14395 Initialize TFmode format to ibm_extended_format if not
14397 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14399 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14400 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14401 (function_arg_advance): IBM long double passed in two FPRs, not
14403 (function_arg): IBM long double passed in FPRs.
14404 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14405 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14406 Only multireg GPR aligned.
14407 (rs6000_init_libfuncs): Enable IBM long double functions if not
14409 (rs6000_generate_compare): Use IBM long double compare if not
14411 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14412 (TARGET_IEEEQUAD): Define.
14413 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14414 not TARGET_IEEEQUAD.
14415 * config/rs6000/rs6000.md: Enable TFmode patterns if
14417 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14418 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14419 and -mlong-double-128 are incompatible.
14420 * doc/invoke.texi (-mabi): Collect options together. Add
14421 ibmlongdouble and ieeelongdouble.
14423 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14425 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14427 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14428 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14429 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14430 * rtl.h (rtunion_def): Remove rt_ptr.
14432 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14433 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14434 * config/i386/winnt.c (i386_pe_mark_dllexport)
14435 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14437 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14439 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14441 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14445 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14446 pthread_key_delete. From John David Anglin. gthrw-ify
14447 pthread_getunique_np only if it it's not a macro. Delete
14449 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14450 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14451 __gthread_objc_condition_signal, __gthread_key_delete): Add
14452 "__attribute__ ((__unused__))" to unused arguments.
14453 (__gthread_recursive_mutex_init_function): Add missing return.
14454 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14455 gthr-posix95.h: Use macro-based approach for name redirection
14456 on targets missing weakref.
14458 2006-01-26 Zack Weinberg <zackw@panix.com>
14460 * genconditions.c (write_header): In generated code, #ifdef out
14461 all includes and fake declarations, except includes of bconfig.h
14462 and system.h, unless GCC_VERSION >= 3001. Do not include
14463 gensupport.h in any case.
14464 (write_conditions): Generate a definition of struct c_test. Add
14465 a comment to the generated #endif.
14466 (write_one_condition): Escape backslashes in string too.
14467 (write_writer): Generated code must escape backslashes and quote
14468 marks (but not newlines) in the strings it writes.
14469 * Makefile.in (build/gencondmd.o): Update dependencies.
14471 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14474 * Makefile.in (insn-automata.o): Add header file dependencies.
14475 * genautomata.c: Add includes.
14477 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14480 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14482 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14484 * configure.ac: Expect target tools paths to be passed from the toplevel
14485 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14487 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14489 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14492 * c.opt (Wpointer-sign): Init to -1.
14493 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14494 OPT_pedantic, to 0 otherwise.
14495 * doc/invoke.texi: Update.
14497 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14499 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14500 constants provided by 80387 instructions in the destination mode.
14502 2006-01-26 Richard Guenther <rguenther@suse.de>
14503 Andrew Pinski <pinskia@physics.uc.edu>
14506 partial PR tree-opt/17064
14507 * tree-ssa-structalias.c (intra_create_variable_infos):
14508 Create heap variables for incoming parameters if
14509 flag_argument_noalias > 1.
14510 (find_what_p_points_to): Look through default defs of
14513 2006-01-26 Jeff Law <law@redhat.com>
14516 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14517 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14518 within the VR_RANGE, use the VR_RANGE as the result, not the
14520 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14521 bounds for the type.
14523 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14525 * tree-ssa-alias.c (maybe_create_global_var): Change
14526 subvar walking to an assertion that we don't have subvar'd variables.
14528 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14531 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14532 Use a new variable, inner. PARM_DECLs are always non-weak.
14534 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14536 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14537 --disable-checking.
14539 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14541 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14543 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14545 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14546 (smax_insn, smin_insn, smax_0, smin_0): New.
14548 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14551 * config/cris/cris.c (cris_order_for_addsi3): New function.
14552 * config/cris/cris-protos.h: Prototype it.
14553 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14554 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14555 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14556 (split for "op.S1 [rx=rx+i],ry (swapped)")
14557 (split for "op(s|u).S1 [rx=rx+i],ry")
14558 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14559 Apply cris_order_for_addsi3 when generating addsi3 insns.
14561 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14563 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14564 (TREE_BLOCK): Add call to EXPR_CHECK.
14566 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14569 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14570 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14571 (dump_omp_clauses): ... here.
14572 (dump_generic_node): Handle OMP_CLAUSE.
14573 * tree.c (omp_clause_num_ops): New.
14574 (omp_clause_code_name): New.
14575 (tree_code_size): Handle OMP_CLAUSE.
14576 (tree_size): Likewise.
14577 (make_node): Document handling of OMP_CLAUSE.
14578 (tree_node_structure): Handle OMP_CLAUSE.
14579 (omp_clause_check_failed): New.
14580 (omp_clause_range_check_failed): New.
14581 (omp_clause_operand_check_failed): New.
14582 (build_omp_clause): New.
14583 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14584 * tree.h (enum omp_clause_code): Declare.
14585 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14586 (OMP_CLAUSE_RANGE_CHECK): Define.
14587 (OMP_CLAUSE_ELT_CHECK): Define.
14588 (omp_clause_check_failed): Declare.
14589 (omp_clause_operand_check_failed): Declare.
14590 (omp_clause_range_check_failed): Declare.
14591 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14592 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14593 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14594 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14595 (OMP_CLAUSE_IF_EXPR): Likewise.
14596 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14597 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14598 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14599 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14600 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14601 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14602 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14603 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14604 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14605 (OMP_CLAUSE_CODE): Define.
14606 (OMP_CLAUSE_SET_CODE): Define.
14607 (OMP_CLAUSE_CODE): Define.
14608 (OMP_CLAUSE_OPERAND): Define.
14609 (struct tree_omp_clause): Declare.
14610 (union tree_node): Add field 'omp_clause'.
14611 * treestruct.def (TS_OMP_CLAUSE): Define.
14612 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14613 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14614 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14615 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14616 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14617 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14618 (OMP_CLAUSE): Define.
14619 * print-tree.c (print_node): Handle OMP_CLAUSE.
14620 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14621 * c-typeck.c: Likewise.
14622 * gimplify.c: Likewise.
14623 * c-omp.c: Likewise.
14624 * tree-nested.c: Likewise.
14625 * tree-inline.c: Likewise.
14626 * c-parser.c: Likewise.
14627 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14630 2006-01-25 Roger Sayle <roger@eyesopen.com>
14632 PR rtl-optimization/25703
14633 * combine.c (try_combine): Handle zero_extract and strict_low_part
14634 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14636 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14638 * global.c: Fix comment typos.
14640 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14643 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14644 Use output_addr_const instead of assemble_name.
14646 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14648 * Makefile.in (sched-vis.o): Update dependencies.
14649 * haifa-sched.c (sched_finish): Clear current_sched_info.
14650 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14651 (dump_flow_info): Call it.
14652 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14654 * basic-block.h (dump_bb_info): Declare.
14655 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14656 option, and apply options only for dump files whose TDF_RTL,
14657 TDF_TREE, or TDF_IPA bits match.
14658 * rtl.h: Declare new functions exported from sched-vis.c.
14659 * sched-vis.c: Enable also if scheduling is not used.
14660 (print_value): Print the mode of registers if not inside scheduling.
14661 (print_insn): Make it work outside the scheduler. Beautify the output
14663 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14665 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14667 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14668 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14669 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14670 depending on the value of CONSTANT_POOL_ADDRESS_P.
14671 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14673 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14674 rather than SYMBOL_REF_DECL.
14675 (rtx_constant_pool): Remove const_rtx_sym_htab.
14676 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14677 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14678 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14679 Remove handling of const_rtx_sym_htab.
14680 (find_pool_constant): Delete.
14681 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14682 rather than find_pool_constant.
14683 (get_pool_constant_for_function): Delete.
14684 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14685 find_pool_constant.
14686 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14687 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14688 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14689 (SYMBOL_REF_CONSTANT): New macro.
14690 (get_pool_constant_for_function): Delete.
14691 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14692 rather than SYMBOL_REF_DECL.
14693 (i386_pe_mark_dllimport): Likewise.
14694 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14695 rather than SYMBOL_REF_DECL.
14696 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14697 (machopic_indirect_call_target): Likewise.
14699 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14701 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14703 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14705 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14707 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14709 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14711 2006-01-24 David Daney <ddaney@avtrex.com>
14714 * configure.ac (enable_tls): New enable option.
14715 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14716 * configure: Regenerate.
14717 * doc/install.texi (--enable-tls): Document new option.
14718 (--disable-tls): Ditto.
14720 2006-01-24 Richard Henderson <rth@redehat.com>
14722 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14723 * alias.c (true_dependence): Respect it.
14724 (canon_true_dependence, write_dependence_p): Likewise.
14725 * builtins.c (get_builtin_sync_mem): Set it.
14727 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14729 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14732 2006-01-24 DJ Delorie <dj@redhat.com>
14734 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14735 for storing constants in single-bit bitfields.
14737 2006-01-25 Ben Elliston <bje@au.ibm.com>
14739 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14741 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14744 * tree-ssa-pre.c (phi_translate): Return NULL
14745 for AGGREGATE_TYPE's.
14747 2006-01-24 Zack Weinberg <zackw@panix.com>
14749 * genautomata.c (process_state_for_insn_equiv_partition):
14750 Use xcalloc for insn_arcs_array.
14751 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14752 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14754 2006-01-24 Richard Henderson <rth@redhat.com>
14756 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14757 update all callers.
14759 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14761 PR rtl-optimization/25890
14762 PR rtl-optimization/25905
14763 * combine.c (expand_compound_operation, expand_field_assignment):
14764 Fail if the bitfield's final position is out of bounds.
14766 2006-01-24 Ian Lance Taylor <ian@airs.com>
14768 PR middle-end/25930
14769 * cgraphunit.c (cgraph_output_in_order): Don't clear
14770 cgraph_asm_nodes until after asm strings have been output.
14772 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14774 * fix-header.c (read_scan_file): Add new parameter imultilib when
14775 calling register_include_chains.
14777 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14779 * omp-low.c: Update documentation.
14781 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14782 Daniel Berlin <dberlin@dberlin.org>
14786 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14787 return from the function.
14789 2006-01-22 Zack Weinberg <zackw@panix.com>
14791 * rtl.def (match_code): Add second argument.
14792 * genpreds.c (write_extract_subexp): New function.
14793 (write_match_code): Add path argument. Use write_extract_subexp.
14794 (write_predicate_expr): Pass path to write_match_code.
14795 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14796 not perform a mode test.
14797 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14798 a subexpression does not constrain the top-level code set.
14799 * read-rtl.c (read_rtx_variadic): New function.
14800 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14801 * doc/md.texi: Document new notation.
14802 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14803 (cmpsi_operand): ... here, using new notation.
14805 2006-01-22 Zack Weinberg <zackw@panix.com>
14807 * varray.c: Remove GENERATOR_FILE #ifdefs.
14809 2006-01-22 Zack Weinberg <zackw@panix.com>
14811 * genautomata.c (output_reserved_units_table): Emit nothing if
14812 description->query_units_num is zero. Remove extra blank line.
14813 (output_cpu_unit_reservation_p): Short circuit
14814 if description->query_units_num is zero.
14816 2006-01-22 Zack Weinberg <zackw@panix.com>
14818 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14819 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14820 nor any of the random handful of variables that used to be necessary
14821 when this program was linked with rtlanal.o. Prune set of forward
14822 function declarations.
14823 (struct attr_desc): Remove static_p field.
14824 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14825 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14826 (attr_string): Do not read the character one past the length of
14828 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14829 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14830 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14831 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14832 (make_automaton_attrs): New.
14833 (main): Do not call into genautomata. Call local gen_bypass
14834 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14835 Remove special case for insn_alts.
14836 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14837 varray.h (leftover from previous change). Prune set of forward
14838 function declarations. Remove state_alts fields from all
14839 structures. Remove state_alts_table from struct automaton.
14840 Make everything except main static. Do not maintain num_dfa_decls.
14841 Do not maintain state_alts fields of various structures.
14842 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14843 (add_arc): Remove state_alts argument. All callers updated.
14844 (output_reserved_units_table): Emit #ifdef here...
14845 (output_tables): ...not here. Don't generate state_alts tables.
14846 (expand_automata): Don't generate attributes.
14847 (write_automata): Don't generate state_alts functions.
14848 (main): New function.
14849 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14850 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14851 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14852 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14853 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14854 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14855 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14856 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14858 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14859 * genattrtab.h: Delete file.
14860 * Makefile.in (OBJS-common): Add insn-automata.o.
14861 (insn-automata.o): New rule.
14862 (simple_generated_c): Add insn-automata.c.
14863 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14864 (genprogmd): Add automata.
14865 (build/genattrtab): Needs no extra objects nor libraries.
14866 (build/genautomata): Needs build/vec.o and -lm.
14868 2006-01-22 Zack Weinberg <zackw@panix.com>
14870 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14871 (output_dfa_max_issue_rate, locked_states_num): Delete.
14872 (struct automaton): Add locked_states field.
14873 (output_dead_lock_vect): Save number of locked states in
14874 automaton->locked_states. If it is zero, don't print anything.
14875 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14876 (output_internal_dead_lock_func): Only test the dead_lock_vect
14877 for automata that have locked states.
14878 (output_statistics): Always print the number of locked states for
14879 each automaton. Calculate total number of locked states here.
14880 (write_automata): Don't call output_dfa_max_issue_rate.
14881 * genattrtab.c: Define length_unit_log as a const variable.
14882 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14883 max_insn_queue_index const.
14884 * final.c (length_unit_log): Declare const.
14885 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14887 2006-01-22 Zack Weinberg <zackw@panix.com>
14889 * genautomata.c: Include vec.h, not varray.h.
14890 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14891 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14892 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14893 VEC_* macros operating on appropriately typed vectors, or to
14894 malloced arrays when the size is known in advance. Const-ify
14895 many char* variables and function arguments. No functional changes.
14896 * Makefile.in (build/varray.o): Delete rule.
14897 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14898 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14900 2006-01-22 Zack Weinberg <zackw@panix.com>
14902 * gensupport.c: Define get_insn_name and record_insn_name here.
14903 (read_md_rtx): Call record_insn_name as appropriate.
14904 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14905 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14906 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14908 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14909 (BUILD_VARRAY): Delete.
14910 (genprognormal): Rename genprogmd. Fold in all programs from
14911 genprognoprint; also attrtab.
14912 (build/genattrtab): Just mention genautomata.o and varray.o.
14913 Reorganize a bit, add comments to make the categories clearer.
14915 2006-01-22 Zack Weinberg <zackw@panix.com>
14917 * genconditions.c (condition_table, add_condition): Delete.
14918 (write_conditions): Don't emit n_insn_conditions nor
14919 insn_elision_unavailable. Issue the gcc version #ifdef here,
14920 inside the table, with no #else clause ...
14921 (write_header): ...not here.
14922 (write_writer): New function.
14923 (main): Don't initialize condition_table. Use add_c_test.
14925 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14926 files on the command line.
14927 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14928 Return -1 if there is no entry in the table, don't abort.
14929 (add_c_test, traverse_c_tests): New functions.
14930 * gensupport.h (insn_elision_unavailable, insn_conditions)
14931 (n_insn_conditions): Delete declarations.
14932 (add_c_test, traverse_c_tests): Declare.
14933 * read-rtl.c: Include gensupport.h.
14934 (read_conditions): New function.
14935 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14936 (read_rtx_1): If we get EOF when we were looking for an initial
14937 open paren, return 0. Call read_conditions when appropriate.
14938 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14939 dummy-conditions.o. Eliminate references to insn-conditions.o,
14940 or change them to build/gencondmd.o, as appropriate. Remove
14941 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14942 from $(simple_generated_c). For all files remaining in those
14943 two lists, add insn-conditions.md to the generator command line.
14944 Give insn-constants.h/s-constants their own rules. Add rules
14945 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14946 (build/read-rtl.o): Depend on gensupport.h.
14947 (genprognormal): Include preds.
14948 (genprogearly): Rename genprognoprint; only difference is now that
14949 they don't link with $(BUILD_PRINT).
14950 * dummy-conditions.c: Delete.
14952 2006-01-22 Zack Weinberg <zackw@panix.com>
14954 * genextract.c: Don't include insn-config.h. Do include vec.h.
14955 Declare vectors of int, char, and locstr.
14956 (locstr): New typedef.
14957 (struct extraction): Make all array fields into bare pointers.
14958 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14959 (insn_code_number): Delete.
14960 (accum_extract): New struct.
14961 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14962 (gen_insn): Take insn_code_number as an argument. Use an
14963 accum_extract structure instead of loading data directly into
14964 a struct extraction, and having to know how big it might get.
14965 (walk_rtx): Operate entirely on an accum_extract structure.
14966 (print_path): Avoid unnecessary use of printf.
14967 (print_header): New function, split out of main. Distinguish
14968 more carefully between an unrecognizable insn and an insn that
14969 has the code number of a define_expand.
14970 (main): Pass insn_code_number to gen_insn. Call print_header
14971 only after parsing. Avoid unnecessary use of printf.
14972 * Makefile.in (build/vec.o): New rule.
14973 (build/genextract): Depend on build/vec.o.
14974 (build/genextract.o): Don't depend on insn-config.h.
14976 2006-01-22 Zack Weinberg <zackw@panix.com>
14978 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14979 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14980 practical. Eliminate per-generator-program link rules.
14982 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14984 PR middle-end/24437
14985 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14986 with a call expr to ...
14987 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14989 2006-01-23 Richard Guenther <rguenther@suse.de>
14991 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14992 before make_edge with conditional EDGE_TRUE_VALUE.
14994 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14995 Jan Hubicka <jh@suse.cz>
14996 Richard Guenther <rguenther@suse.de>
14998 PR rtl-optimization/25654
14999 * cfgexpand.c (aggregate_contains_union_type): New function.
15000 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15001 for structure variables that contain a union type.
15003 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15005 * gengtype.c (new_structure): Return the structure.
15006 (create_option): Add an extra "next" argument.
15007 (create_field): New function.
15008 (adjust_field_rtx_def): Use create_option and create_field.
15009 Remove a now-unnecessary call to find_structure.
15010 (adjust_field_tree_def): Likewise.
15011 (note_yacc_type): Remove an unnecessary call to find_structure.
15012 * gengtype.h (new_structure): Return the structure.
15013 (create_option): Add an extra argument.
15014 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15015 (option): Adjust calls to create_option.
15017 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15019 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15021 2006-01-22 Paul Brook <paul@codesourcery.com>
15022 Peter Barada <peter@the-baradas.com>
15024 * config/m68k/m68k.md: Add Coldfire FPU support.
15025 Define FP mode macro and associated attributes.
15026 Use it for float mode patterns.
15027 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15028 (LIBCALL_VALUE): Use m68k_libcall_value.
15029 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15030 (m68k_function_value): Ditto.
15031 (emit_move_sequence): Ditto.
15032 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15033 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15034 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15035 (MULTILIB_EXCEPTIONS): Ditto.
15036 * config/m68k/m68k.opt: Add mcfv4e.
15037 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15038 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15039 (m68k_output_function_prologue): Save ColdFire FPU registers.
15040 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15041 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15042 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15043 ColdFire FPU registers.
15044 (m68k_libcall_value, m68k_function_value): New functions.
15045 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15046 (LIBCALL_VALUE): Use m68k_libcall_value.
15047 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15048 (MASK_COLDFIRE): Add MASK_CFV4E.
15049 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15050 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15051 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15052 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15053 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15054 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15055 * doc/invoke.tex: Document -mcfv4e on m68k.
15057 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15059 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15062 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15065 * c-opts.c (c_common_handle_option): Don't include
15066 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15067 * doc/invoke.texi (C++ Dialect Options): Document that
15068 -Wnon-virtual-dtor is no longer included in -Wall.
15070 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15072 * gcov.c (print_version), gcov-dump.c (print_version),
15073 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15076 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15078 * df-scan.c (problem_SCAN): Added NULL reset function.
15079 (df_scan_reset_blocks): Added code to call reset block function
15080 (df_bb_refs_delete) Fixed comment.
15081 (df_insn_refs_delete): Made tolerant of deleting non existent info
15082 for dataflow problems that need to be reset.
15083 * df-core.c (df_set_blocks): Ditto.
15084 * df.h (struct df_problem): Added reset_fun.
15085 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15086 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15087 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15088 functions to clear out all references to def-use or use-def chains.
15090 2006-01-21 Ben Elliston <bje@au.ibm.com>
15092 * varasm.c (assemble_real): Initialise data array.
15094 2006-01-20 Paul Brook <paul@codesourcery.com>
15096 Merge from csl-arm-branch.
15097 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15098 * config/arm/arm.md (movdi): Force operands[1] to a register
15099 if we have a non-register source.
15100 (*arm_movdi, *movdf_soft_insn): Require that one of the
15101 operands be a register.
15102 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15103 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15105 2006-01-20 DJ Delorie <dj@redhat.com>
15107 * varasm.c (initializer_constant_valid_p): Allow pointers
15108 initialized from integer constants of lesser precision.
15109 (output_constant): Allow non-int-sized pointer modes to be
15110 initialized from integer constants.
15112 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15115 * cppdefault.h (struct default_include): Add multilib flag.
15116 * cppdefault.c (cpp_include_defaults): Set it.
15117 * c.opt (-imultilib): New option.
15118 * c-opts.c (imultilib): New.
15119 (c_common_handle_option): Handle -imultilib.
15120 (c_common_post_options): Likewise.
15121 * c-incpath.c (add_standard_paths, register_include_chains):
15123 * c-incpath.h (register_include_chains): Add extra parameter.
15124 * gcc.c (do_spec_1): Generate -imultilib option.
15125 (The Specs Language): Update %I description.
15126 (process_command): Update copyright notice.
15127 * doc/cppopts.texi (-imultilib): Document.
15128 * doc/invoke.texi (-imultilib): Include in option summary.
15129 (%I): Update specs documentation.
15131 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15133 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15135 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15137 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15140 2006-01-20 Richard Guenther <rguenther@suse.de>
15141 Steven Bosscher <stevenb.gcc@gmail.com>
15143 PR rtl-optimization/24626
15144 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15145 EDGE_TRUE_VALUE if in RTL mode.
15148 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15149 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15151 2006-01-20 Dirk Mueller <dmueller@suse.com>
15154 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15155 instead of a special NOP marker.
15156 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15157 NOP marker handling.
15158 * c-common.h (empty_body_warning): Add forward declaration.
15159 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15160 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15162 2006-01-20 Paul Brook <paul@codesourcery.com>
15164 * Makefile.in (lang_checks): Keep going if mkdir fails.
15166 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15168 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15169 be able to clean out basic block when not necessary.
15170 (df_scan_free): Fixed to properly delete information if df is
15171 unused before calling df_finish.
15172 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15173 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15175 (df_bb_refs_delete): New function.
15176 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15177 * df-core.c (df_set_blocks): Added code to properly clean out
15178 unused blocks if they are not part of the blocks to consider.
15179 Added additional null check.
15180 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15181 be able to clean out basic block when not necessary
15182 * df.h (df_free_bb_function): Ditto.
15183 (df_bb_refs_delete): New function.
15184 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15185 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15186 basic block parameter to be able to clean out basic block when not
15188 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15189 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15190 Fixed to properly delete information if df is unused before
15193 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15195 PR rtl-optimization/25799
15196 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15197 Corrected confluence operator to remove bits from op2 before oring
15198 with op1 rather than removing bits from op1.
15199 (df_ru_transfer_function): Corrected test on wrong bitmap which
15200 caused infinite loop. Both of these problems were introduced in
15201 the dataflow rewrite.
15203 2006-01-19 DJ Delorie <dj@redhat.com>
15205 * reload1.c (find_reload_regs): Note the details of reload
15206 failures in the dump file.
15207 (spill_failure): Likewise.
15209 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15211 * loop-iv.c: Include df.h and hashtab.h.
15212 (enum iv_grd_result): New enum.
15213 (DF_REF_IV, DF_REF_IV_SET): New macros.
15214 (struct biv_entry): New.
15215 (df, bivs): New global variables.
15216 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15217 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15219 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15220 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15221 analyzed_for_bivness_p, record_biv): New functions.
15222 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15223 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15224 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15226 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15228 (iv_number_of_iterations): Use new interface to iv analysis.
15229 * loop-unroll.c: Do not include varray.h.
15230 (analyze_iv_to_split_insn): Use new interface to iv
15232 * loop-unswitch.c (may_unswitch_on): Ditto.
15233 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15235 (df_bb_modify): Realloc tables to the new index.
15236 (df_find_use): New function.
15237 * df.h (df_find_use): Declare.
15238 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15240 * cfgloop.h (struct rtx_iv): Remove analysed field.
15241 (iv_get_reaching_def): Removed.
15242 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15243 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15244 (loop-iv.o): Add df.h and hashtab.h dependency.
15245 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15247 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15250 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15252 (__floatundisf, __floatundidf): Likewise.
15253 * libgcc2.h (IS_IBM_EXTENDED): Define.
15255 2006-01-19 DJ Delorie <dj@redhat.com>
15257 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15259 2006-01-19 Paul Brook <paul@codesourcery.com>
15261 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15262 as nothrow when unwinding tables are disabled.
15264 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15267 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15268 of bit-field" when in system header.
15270 2006-01-19 DJ Delorie <dj@redhat.com>
15272 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15273 the 16 bit shift limit of the m16c.
15275 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15278 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15279 * config/i386/i386.c (output_set_got): Output the label if we have one
15280 for the TARGET_DEEP_BRANCH_PREDICTION case.
15282 2006-01-19 Jan Hubicka <jh@suse.cz>
15283 H.J. Lu <hongjiu.lu@intel.com>
15284 Evandro Menezes <evandro.menezes@amd.com>
15286 * invoke.texi (generic): Document
15288 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15289 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15290 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15291 (x86_use_incdec, x86_pad_returns): New variables
15292 (TARGET_CPU_DEFAULT_generic): New constant
15293 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15294 (enum processor_type): Add generic32 and generic64.
15295 * i386.md (cpu attribute): Add generic32/generic64
15296 (movhi splitter): Behave sanely when both partial_reg_dependency and
15297 partial_reg_stall are set.
15298 (K8 splitters): Enable for generic as well.
15299 * predicates.md (incdec_operand): Use TARGET_INCDEC
15300 (aligned_operand): Avoid memory mismatch stalls.
15301 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15302 * ppro.md: Enable for generic32
15303 * i386.c (generic64_cost, generic32_cost): New.
15304 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15305 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15306 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15307 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15308 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15309 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15310 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15311 x86_accumulate_outgoing_args, x86_prologue_using_move,
15312 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15313 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15314 Enable for generic.
15315 (x86_use_incdec, x86_pad_returns): New.
15316 (override_options): Add generic32 and generic64, translate "generic"
15317 to generic32/generic64 and "i686" to "generic32", refuse
15318 "generic32"/"generic64" as arch target.
15319 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15320 (ix86_reorg): Honor PAD_RETURNS.
15322 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15324 * tree-pretty-print.c (dump_generic_node): Handle
15325 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15326 * cgraph.c (cgraph_expand_queue): Rename from
15327 cgraph_analyze_queue. Update all users.
15328 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15329 cgraph_expand_queue.
15330 (cgraph_expand_all_functions): Likewise.
15331 (cgraph_finalize_pending_functions): Remove. Update callers.
15333 * tree.h (OMP_DIRECTIVE_P): Define.
15334 (OMP_PARALLEL_FN): Define.
15335 (OMP_PARALLEL_DATA_ARG): Define.
15336 (OMP_SECTIONS_SECTIONS): Define.
15337 * tree-pass.h (pass_expand_omp): Declare.
15338 * omp-low.c (struct omp_region): Declare.
15339 (struct omp_context): Remove fields 'parallel_type',
15340 'parallel_start_ix' and 'parallel_start_additional_args'.
15342 (struct omp_for_data): Rename from struct expand_omp_for_data.
15343 (omp_regions): New static variable.
15344 (root_omp_region): New static variable.
15345 (find_omp_clause): Make static.
15346 (is_in_combined_parallel_ctx): Remove.
15347 (is_combined_parallel): New.
15348 (extract_omp_for_data): Move earlier in the file.
15349 (workshare_safe_to_combine_p): New.
15350 (get_ws_args_for): New.
15351 (determine_parallel_type): Move earlier in the file.
15352 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15354 (omp_copy_decl): Likewise.
15355 (create_omp_child_function): Likewise.
15356 (lookup_omp_region): New.
15357 (dump_omp_region): New.
15358 (debug_omp_region): New.
15359 (debug_all_omp_regions): New.
15360 (new_omp_region): New.
15361 (scan_omp_parallel): If parallel_nesting_level > 1, the
15362 directive is nested within another parallel directive.
15363 Set OMP_PARALLEL_FN.
15364 (scan_omp_for): Do not try to handle combined parallel+for
15366 Remove FIXME comment.
15367 (scan_omp_nested): Remove.
15368 (scan_omp_1): Do not call scan_omp_nested when
15369 parallel_nesting_level is > 1.
15370 Do not change the DECL_CONTEXT of local variables found.
15371 (lookup_decl_in_outer_ctx): New.
15372 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15373 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15374 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15375 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15376 If CTX is nested, lookup VAR in the outer context when
15377 building copy assignment.
15378 (lower_send_clauses): Rename from expand_send_clauses.
15379 If CTX is nested, lookup VAR in the outer context when
15380 building copy assignments.
15381 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15382 If CTX is nested, lookup VAR in the outer context when
15383 building copy assignments.
15384 (expand_parallel_call): Rename from build_parallel_call.
15385 Handle combined parallel+workshare cases.
15386 Re-implement to emit code into the CFG.
15388 (expand_omp_parallel): Re-implement to emit code into the CFG.
15389 Call move_sese_region_to_fn to outline the sub-graph
15390 containing the parallel region.
15391 (expand_omp_for_1): Remove.
15392 (expand_omp_for_generic): Re-implement to emit code into the
15394 (expand_omp_for_static_nochunk): Likewise.
15395 (expand_omp_for_static_chunk): Likewise.
15396 (expand_omp_for): Likewise.
15397 (expand_omp_sections): Likewise.
15398 (remove_exit_barriers): New.
15399 (expand_omp_synch): New.
15401 (build_omp_regions_1): New.
15402 (build_omp_regions): New.
15403 (execute_expand_omp): New.
15404 (gate_expand_omp): New.
15405 (pass_expand_omp): Define.
15406 (lower_omp_sections): Rename from expand_omp_sections.
15407 Set OMP_SECTIONS_SECTIONS.
15408 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15409 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15410 (lower_omp_single): Rename from expand_omp_simple.
15411 (lower_omp_master): Rename from expand_omp_master.
15412 (lower_omp_ordered): Rename from expand_omp_ordered.
15413 (lower_omp_critical): Rename from expand_omp_critical.
15414 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15415 (lower_omp_for): Re-implement.
15416 (lower_omp_parallel): Re-implement.
15417 (lower_regimplify): Rename from expand_regimplify.
15418 (lower_omp_1): Rename from expand_omp_1.
15419 If there are syntax errors in the program, replace every
15420 OpenMP directive with NOP.
15421 Call lower_omp_* instead of expand_omp_*.
15422 (lower_omp): Rename from expand_omp.
15424 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15425 * tree-gimple.h (enum omp_parallel_type): Remove.
15426 (gimple_boolify): Declare extern.
15427 (find_omp_clause, determine_parallel_type): Remove.
15429 * gimple-low.c (lower_omp_directive): New.
15430 (lower_stmt): Call it.
15431 (record_vars_into): Move from ...
15432 (record_vars): ... here.
15433 Call record_vars_into with current_function_decl.
15435 * gimplify.c (struct gimplify_ctx): Remove fields
15436 combined_pre_p and combined_ctxp. Update users.
15437 (get_formal_tmp_var): Add documentation.
15438 (gimple_boolify): Make extern.
15439 (gimplify_expr_in_ctx): Remove. Update callers.
15440 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15441 will always be a BIND_EXPR.
15442 (gimplify_expr): Handle OMP_RETURN_EXPR.
15443 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15444 (OMP_PARALLEL): Add 3 operands.
15445 (OMP_SECTIONS): Add 1 operand.
15446 (OMP_RETURN_EXPR): Define.
15448 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15449 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15450 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15451 creating a circular free list.
15452 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15454 * tree-flow.h (move_sese_region_to_fn): Declare.
15455 (record_vars_into): Declare.
15456 * tree-cfg.c (make_omp_sections_edges): New.
15457 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15458 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15459 OMP_SECTIONS and OMP_SECTION.
15460 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15461 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15462 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15463 (gather_blocks_in_sese_region): New.
15464 (struct move_stmt_d): Declare.
15465 (move_stmt_r): New.
15466 (move_block_to_fn): New.
15467 (move_sese_region_to_fn): New.
15469 * passes.c (init_optimization_passes): Schedule
15470 pass_expand_omp after pass_init_datastructures.
15472 * tree-ssa-operands.c (get_expr_operands): Handle
15473 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15474 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15476 2006-01-19 Jeff Law <law@redhat.com>
15478 * tree-vrp.c (extract_range_from_assert): Refine the result range
15479 if the variable referenced by the ASSERT_EXPR has a range and
15480 either the tentative result range or the previous range is a
15483 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15485 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15487 2006-01-19 Jan Hubicka <jh@suse.cz>
15489 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15491 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15493 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15494 (expand_compound_operation, expand_field_assignment): Fail if the
15495 bit lengths of an extract operation are out of range.
15496 (make_extraction): Compute wanted_inner_mode based on the position
15497 and length of the extraction. Make it extraction_mode for non-constant
15498 positions, and do not modify offset in that case. When generating a
15499 new MEM, use a mode that can hold the extraction while keeping correct
15500 alignment. Remove code that supported MEMs wrapped by USEs.
15501 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15503 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15505 * config/s390/s390.md ("Y", "y"): New mode attribute.
15506 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15507 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15508 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15509 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15510 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15511 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15512 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15513 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15514 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15515 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15516 "addsi3", "subsi3"): Insn patterns removed.
15517 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15518 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15519 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15520 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15521 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15522 "*sub<mode>3_cconly2"): New insn patterns.
15523 ("addsi3", "subsi3"): New expanders.
15525 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15527 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15528 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15529 existing STMT_VINFO_VECTYPE if available.
15530 (vect_mark_relevant): Add special handling for stmts that are
15531 marked as STMT_VINFO_IN_PATTERN_P.
15532 (vect_analyze_loop): Call vect_pattern_recog.
15533 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15534 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15536 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15537 (vect_recog_func_ptr): New function-pointer type.
15538 * tree-vect-patterns.c: New file.
15539 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15540 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15541 (vect_pattern_recog_1): New functions.
15542 (vect_pattern_recog_funcs): New array of function pointers.
15544 * tree-vectorizer.h (ternary_op): New enum value.
15545 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15546 declaration. Revised documentation. Removed redundant dump prints.
15547 Removed redundant argument. Added support for reduction patterns.
15548 (vectorizable_reduction): Added support for reduction patterns.
15549 (vect_transform_stmt): Added support for patterns.
15551 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15552 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15553 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15554 (expand_widen_pattern_expr): New function.
15555 (init_optabs): Initialize new optabs udot_prod_optab,
15557 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15558 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15559 (expand_widen_pattern_expr): New function declaration.
15560 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15562 * tree-inline.c (estimate_num_insns_1): Added cases for new
15563 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15564 * tree-pretty-print.c (dump_generic_node): Likewise.
15565 (op_prio): Likewise.
15566 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15567 * tree-ssa-operands.c (get_expr_operands): Added case for
15569 * tree-vect-patterns.c (widened_name_p): New function.
15570 (vect_recog_dot_prod_pattern): Added function implementation.
15571 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15572 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15573 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15574 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15576 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15577 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15578 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15579 (init_optabs): Initialize new optabs widen_ssum_optab,
15581 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15582 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15583 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15584 use instead of type of def.
15585 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15586 function implementation.
15587 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15588 widen_ssumv8hi): New.
15590 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15593 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15596 * c-decl.c (add_flexible_array_elts_to_size): New function.
15597 (finish_decl): Use it.
15599 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15601 * diagnostic.h: Include options.h.
15602 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15603 dependancies for diagnostic.h.
15604 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15606 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15608 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15609 (ssa_ro_call_cache_valid): Ditto.
15610 * tree-ssa-alias.c (sort_tags_by_id): New function.
15611 (init_transitive_clobber_worklist): Ditto.
15612 (add_to_worklist): Ditto.
15613 (mark_aliases_call_clobbered): Ditto.
15614 (compute_tag_properties): Ditto.
15615 (set_initial_properties): Ditto.
15616 (compute_call_clobbered): Ditto.
15617 (compute_may_aliases): Call compute_call_clobbered and grouping.
15618 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15619 (compute_flow_insensitive_aliasing): Grouping now happens in our
15621 (setup_pointers_and_addressables): Remove clobbering related code.
15622 (add_may_alias): Ditto.
15623 (replace_may_alias): Ditto.
15624 (get_nmt_for): Ditto.
15625 (create_global_var):
15626 (is_escape_site): Return an escape_type enumeration.
15627 * tree-flow-inline.h (is_call_clobbered): Global var does not
15628 imply call clobbered.
15629 (mark_call_clobbered): Take a reason for marking this. Remove
15630 marking of globalness, and cache invalidation.
15631 (clear_call_clobbered): Remove cache invalidation code.
15632 * tree-dfa.c (dump_variable): If details is on, dump the reason
15634 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15636 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15637 (struct var_ann_d): Ditto.
15638 (enum escape_type): New.
15639 (mark_call_clobbered): Adjust prototype.
15640 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15641 are never call clobbered.
15642 Record reasons for escaping.
15643 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15644 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15645 (ssa_ro_call_cache_valid): Ditto.
15646 (clobbered_v_may_defs): Ditto.
15647 (clobbered_vuses): Ditto.
15648 (ro_call_vuses): Ditto.
15649 (clobber_stats): New.
15650 (init_ssa_operands): Zero out clobber stats.
15651 (fini_ssa_operands): Print out clobber stats.
15652 (get_call_expr_operands): Pass callee fndecl to
15653 add_call_read_ops).
15654 (add_call_clobber_ops): Remove use of cache.
15655 Add use of PURE_CONST information.
15656 (add_call_read_ops): Remove use of cache.
15657 Add use of static not_read information.
15659 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15661 Introduce TLS descriptors for i386 and x86_64.
15662 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15663 (TARGET_ANY_GNU_TLS): New macro.
15664 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15665 (struct machine_function): Add tls_descriptor_call_expanded_p.
15666 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15667 (ix86_current_function_calls_tls_descriptor): Likewise.
15668 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15669 (override_options): Introduce gnu2 tls dialect.
15670 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15672 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15674 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15675 (ix86_init_machine_status): Initialize new field.
15676 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15677 (ix86_tls_module_base): New.
15678 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15679 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15680 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15681 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15682 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15683 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15684 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15685 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15686 * config/i386/predicates.md (tls_modbase_operand): New.
15687 (tp_or_register_operand): New.
15689 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15691 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15692 (look_for_address_of): Ditto.
15693 (ipa_init): Walk the function decls.
15694 (static_execute): Don't set readonly on FUNCTION_DECL's.
15696 2006-01-18 Roger Sayle <roger@eyesopen.com>
15698 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15699 for shifts where the source and destination registers are different.
15701 2006-01-18 Paul Brook <paul@codesourcery.com>
15703 Merge from csl-arm-branch.
15704 2005-03-14 Julian Brown <julian@codesourcery.com>
15705 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15706 (aeabi_llsl): Likewise.
15707 (ashrdi3): Likewise.
15708 (aeabi_lasr): Likewise.
15709 (lshrdi3): Likewise.
15710 (aeabi_llsr): Likewise.
15711 2005-03-10 Julian Brown <julian@codesourcery.com>
15712 * config.gcc: Disable shared libgcc for SymbianOS.
15713 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15715 2006-01-18 DJ Delorie <dj@redhat.com>
15717 * c-pragma.c (handle_pragma_diagnostic): New.
15718 (init_pragma): Register it.
15719 * doc/extend.texi: Document it.
15721 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15722 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15723 (diagnostic_context): Add classify_diagnostic[].
15724 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15725 as errors if they're overridden to DK_WARNING.
15726 (diagnostic_initialize): Initialize classify_diagnostic[].
15727 (diagnostic_set_kind_override): New.
15728 (diagnostic_report_diagnostic): Check for kind changes.
15729 * opts.c (common_handle_option): Take lang_mask. Update callers.
15730 Handle OPT_Werror_.
15731 * common.opt (Werror=): New.
15732 * doc/invoke.texi: Document -Werror=*
15734 2006-01-18 Jeff Law <law@redhat.com>
15736 * tree-vrp.c (test_for_singularity): Correct test for new
15737 min limit. Use operand_equal_p rather than pointer equality
15738 for testing if new min/max values are equal.
15740 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15741 using range information until after propagation and folding.
15743 2006-01-18 Richard Henderson <rth@redhat.com>
15744 Aldy Hernandez <aldyh@redhat.com>
15745 Jakub Jelinek <jakub@redhat.com>
15746 Diego Novillo <dnovillo@redhat.com>
15748 * omp-low.c: New file.
15749 * c-omp.c: New file.
15751 2006-01-18 Richard Henderson <rth@redhat.com>
15752 Jakub Jelinek <jakub@redhat.com>
15753 Diego Novillo <dnovillo@redhat.com>
15755 * doc/invoke.texi: Document -fopenmp.
15756 * tree-dump.h (debug_function): Declare.
15757 * hooks.c (hook_bool_tree_bool_false): New function.
15758 (hook_tree_tree_null): Remove.
15759 (hook_tree_tree_tree_null): New.
15760 * hooks.h: Update to match.
15761 * tree-pretty-print.c (debug_tree_chain): New.
15762 (print_generic_expr): Handle TDF_CHAIN.
15763 (dump_generic_node): Handle BLOCK.
15764 Do not abort with incomplete SWITCH_EXPRs.
15765 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15766 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15767 print space after directive name.
15768 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15769 Handle OMP_MASTER and OMP_ORDERED.
15770 Handle printing of OMP_BODY just in one place, goto
15771 dump_omp_body in the rest of OMP_* nodes that have
15773 Don't handle clause nodes here. Update omp statements to
15774 use dump_omp_clauses.
15775 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15776 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15777 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15778 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15779 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15780 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15781 Adjust output for GOMP_PARALLEL.
15782 (dump_omp_clauses): New.
15783 (print_declaration): Dump DECL_VALUE_EXPR.
15784 (op_symbol_1): Split out of op_symbol.
15785 (dumping_stmts): Remove. Update all users.
15786 * cgraph.c (cgraph_analyze_queue): New.
15787 (cgraph_add_new_function): New.
15788 * cgraph.h (cgraph_analyze_queue): Declare.
15789 (cgraph_add_new_function): Declare.
15790 (cgraph_lower_function): Remove.
15791 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15792 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15793 and TYPE_P nodes in its default clause.
15794 (empty_body_p): New.
15795 (tree_range_check_failed): New.
15796 (build5_stat): New.
15797 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15798 OMP_CLAUSE_REDUCTION_MERGE,
15799 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15800 OMP_CLAUSE_PRIVATE_DEBUG,
15801 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15802 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15803 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15804 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15805 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15806 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15807 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15808 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15809 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15810 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15811 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15812 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15813 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15814 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15815 (TREE_RANGE_CHECK): New.
15816 (empty_body_p): Declare.
15817 (enum omp_clause_default_kind): New.
15818 (build_string_literal): Declare.
15819 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15820 (build5_stat, build5): Declare.
15821 * tree-pass.h (TDF_CHAIN): Define.
15822 * tree-pass.h (PROP_gimple_lomp): Define.
15823 (pass_lower_omp): Declare.
15824 * diagnostic.h (debug_tree_chain): Declare.
15825 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15827 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15828 * builtins.c (build_string_literal): Make extern.
15829 * gcc.c (include_spec_function): New.
15830 (static_spec_functions): Add it.
15831 (main): Move load of libgomp.spec ...
15832 (LINK_COMMAND_SPEC): ... here.
15833 (link_gomp_spec): New.
15834 (static_specs): Include it.
15835 (LINK_COMMAND_SPEC): Add link_gomp.
15836 (GOMP_SELF_SPECS): New.
15837 (driver_self_specs): Include it.
15838 (switch_matches): Don't mark inline.
15839 (main): Load libgomp.spec.
15840 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15841 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15842 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15843 * tree-gimple.h (enum omp_parallel): Declare.
15844 (determine_parallel_type): Declare.
15845 (omp_firstprivatize_variable): Declare.
15846 (omp_reduction_init): Declare.
15847 (diagnose_omp_structured_block_errors): Declare.
15848 (struct walk_stmt_info): Add want_return_expr.
15849 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15850 (find_omp_clause): Declare.
15851 (insert_field_into_struct): Declare.
15852 (struct walk_stmt_info): Move from tree-nested.c
15853 (walk_stmts): Declare.
15854 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15856 * cgraphunit.c (cgraph_lower_function): Make static.
15857 (cgraph_finalize_pending_functions): New.
15858 (cgraph_finalize_function): Call it.
15859 (cgraph_finalize_compilation_unit): Likewise.
15860 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15861 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15862 (BT_FN_UINT_UINT): New.
15863 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15864 DEF_FUNCTION_TYPE_VAR_4): Document.
15865 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15866 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15867 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15868 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15869 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15870 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15871 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15872 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15873 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15874 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15875 into separate files.
15876 (DEF_GOMP_BUILTIN): New.
15877 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15878 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15879 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15880 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15881 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15882 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15883 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15884 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15885 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15886 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15887 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15888 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15889 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15890 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15891 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15892 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15893 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15894 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15895 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15896 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15897 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15898 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15899 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15900 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15901 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15902 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15903 * sync-builtins.def: New file, moved from builtins.def.
15904 * omp-builtins.def: New file, moved from builtins.def.
15905 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15906 * gimple-low.c (lower_function_body): Clear data.
15907 (lower_stmt): Do not handle COMPOUND_EXPR.
15908 Remove call to print_node_brief.
15909 * c-tree.h (c_finish_omp_clauses): New prototype.
15910 (C_DECL_THREADPRIVATE_P): Define.
15911 (lookup_name_no_remap, c_omp_remap_private): Remove
15912 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15913 (check_for_loop_decls): Update decl.
15914 (lookup_name_no_remap, c_omp_remap_private): Declare.
15915 (build_indirect_ref, build_modify_expr, pushdecl,
15916 pushdecl_top_level): Move to c-common.h.
15917 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15918 before the switch, but just in the 2 places that need it.
15919 * c-decl.c (diagnose_mismatched_decls): Do not check for
15920 mismatched thread-local attributes when OLDDECL is marked
15921 threadprivate and NEWDECL has no thread-local attributes.
15922 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15923 (c_gimple_diagnostics_recursively): Rename from
15924 c_warn_unused_result_recursively. Invoke
15925 diagnose_omp_structured_block_errors.
15926 (check_for_loop_decls): Return a singular decl found.
15927 * langhooks.c (lhd_omp_predetermined_sharing): Return
15928 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15929 (lhd_omp_firstprivatize_type_sizes): New.
15930 (lhd_omp_assignment): New.
15931 (lhd_omp_predetermined_sharing): New.
15932 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15933 (struct lang_hooks_for_types): Add
15934 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15935 omp_predetermined_sharing, omp_disregard_value_expr,
15936 omp_private_debug_clause, omp_clause_default_ctor,
15937 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15938 (c_finish_omp_clauses): New.
15939 (c_finish_bc_stmt): Diagnose break within omp for.
15940 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15941 (build_unary_op): Return error_mark after reporting
15943 (build_modify_expr): Likewise.
15944 * gimplify.c: Include optabs.h and pointer-set.h.
15945 (enum gimplify_omp_var_data): Declare.
15946 (struct gimplify_omp_ctx): Declare.
15947 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15949 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15950 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15951 (splay_tree_compare_decl_uid): New.
15952 (new_omp_context): New.
15953 (delete_omp_context): New.
15954 (gimple_add_tmp_var): Call omp_add_variable.
15955 (gimplify_bind_expr): Likewise.
15956 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15957 true, disregard DECL_VALUE_EXPR on the decl if any.
15958 (gimplify_expr_in_ctx): New.
15959 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15960 omp_add_variable, omp_notice_variable, omp_is_private
15961 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15962 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15963 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15964 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15965 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15966 gimplify_omp_atomic): New.
15967 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15968 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15969 OMP_CRITICAL and OMP_ATOMIC.
15970 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15971 * c-pragma.h (enum pragma_kind): Add
15972 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15973 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15974 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15975 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15976 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15977 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15978 PRAGMA_OMP_THREADPRIVATE.
15979 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15980 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15981 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15982 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15983 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15984 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15985 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15986 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15987 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15988 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15989 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15990 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15991 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15993 (struct nesting_info): Add field_map,
15994 suppress_expansion, debug_var_chain.
15995 (create_nesting_tree): Initialize them.
15996 (lookup_field_for_decl): Use field_map.
15997 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15998 (convert_local_omp_clauses): New.
15999 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16000 (walk_body): Split out of walk_function.
16001 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16002 (convert_nonlocal_reference): Handle omp statements.
16003 (convert_local_reference): Likewise.
16004 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16005 (unnest_nesting_tree): New.
16006 (lower_nested_functions): Call it.
16007 (insert_field_into_struct): Make extern.
16008 (struct walk_stmt_info): Move to tree-gimple.h.
16009 (walk_stmts): Make extern.
16010 * omp-builtins.def: New file.
16011 * tree-iterator.c (expr_only): Clarify comment.
16012 * c-common.h (pushdecl_top_level, pushdecl,
16013 build_modify_expr, build_indirect_ref,
16014 c_finish_omp_master, c_finish_omp_critical,
16015 c_finish_omp_ordered, c_finish_omp_barrier,
16016 c_finish_omp_atomic, c_finish_omp_flush,
16017 c_finish_omp_for, c_split_parallel_clauses,
16018 omp_clause_default_kind, c_omp_sharing_predetermined,
16019 c_omp_remap_decl): Declare.
16020 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16021 (OBJS-common): Add omp-low.o.
16022 (c-omp.o, omp-low.o): Add.
16023 (gimplify.o): Add dependency on $(OPTABS_H).
16024 (GTFILES): Add omp-low.c.
16025 (gt-stringpool.h): Add.
16026 * tree-cfg.c (set_bb_for_stmt): Do not update the
16027 block-to-labels map if we are currently expanding to RTL.
16028 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16030 Handle IDENTIFIER_NODE.
16031 (tree_verify_flow_info): Do not ICE when emitting error
16032 messages about invalid labels.
16033 (dump_function_to_file): Reset CFUN before emitting the body
16035 (debug_function): New.
16036 * passes.c (init_optimization_passes): Schedule
16038 * langhooks-def.h (lhd_omp_predetermined_sharing,
16039 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16041 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16042 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16043 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16044 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16045 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16046 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16047 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16048 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16049 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16050 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16051 (LANG_HOOK_DECLS): Use them.
16053 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16054 Richard Henderson <rth@redhat.com>
16055 Jakub Jelinek <jakub@redhat.com>
16056 Diego Novillo <dnovillo@redhat.com>
16058 * c-parser.c (pragma_omp_clause): Define.
16059 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16060 (c_parser_compound_statement): Likewise.
16061 (c_parser_statement): Likewise.
16062 (c_parser_pragma): Handle omp pragmas.
16063 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16064 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16065 (c_parser_omp_clause_name, check_no_duplicate_clause,
16066 c_parser_omp_variable_list,
16067 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16068 c_parser_omp_clause_copyprivate,
16069 c_parser_omp_clause_default,
16070 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16071 c_parser_omp_clause_lastprivate,
16072 c_parser_omp_clause_nowait,
16073 c_parser_omp_clause_num_threads,
16074 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16075 c_parser_omp_clause_reduction,
16076 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16077 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16078 c_parser_omp_atomic, c_parser_omp_barrier,
16079 c_parser_omp_critical, c_parser_omp_flush,
16080 c_parser_omp_for_loop, c_parser_omp_for,
16081 c_parser_omp_master, c_parser_omp_ordered,
16082 c_parser_omp_sections_scope, c_parser_omp_sections,
16083 c_parser_omp_parallel, c_parser_omp_single,
16084 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16085 * c-pragma.c (init_pragma): Do omp pragma registration here.
16086 * c.opt (fopenmp): New flag.
16088 2006-01-18 Eric Christopher <echristo@apple.com>
16090 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16091 * config/darwin.h (GOMP_SELF_SPECS): Define.
16093 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16095 * rtl.h: Remove the prototype for reg_alloc.
16097 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16100 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16101 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16102 sjlj and dwarf2 exception handling.
16103 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16104 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16105 * pa/pa.c (function_value): Treat complex and vector types as
16107 (function_arg): Likewise. Only pass scalar floats in the floating
16108 point argument registers.
16109 * pa/t-slibgcc-dwarf-ver: New file.
16110 * pa/t-slibgcc-sjlj-ver: New file.
16111 * pa/t-slibgcc-elf-ver: Delete file.
16113 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16115 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16116 unlikely_test_section_p test.
16118 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16120 * mode-switching.c (optimize_mode_switching): Make it static.
16121 * basic-block.h: Remove the prototype for
16122 optimize_mode_switching.
16124 * modulo-sched.c (sms_schedule): Make it static.
16125 * rtl.h: Remove the prototype for sms_schedule.
16127 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16128 * rtl.h: Remove the prototype for gcse_after_reload_main.
16130 * reg-stack.c (reg_to_stack): Make it static.
16131 * rtl.h: Remove the prototype for reg_to_stack.
16133 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16135 * rtl.h: Remove the prototypes for regrename_optimize and
16136 copyprop_hardreg_forward.
16138 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16140 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16141 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16142 Test against the appropriate null constant for the mode.
16143 If 'fixup_overlap' is true, swap the operands if they overlap.
16144 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16145 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16146 alpha_split_tmode_pair and adjust for above change.
16147 * config/alpha/alpha.md (movtf_internal): Adjust call to
16148 alpha_split_tfmode_pair and rely on it to swap the operands.
16149 (movti_internal): New insn and post-reload splitter.
16150 (movti): New expander.
16152 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16154 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16157 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16159 * rtlanal.c (global_reg_mentioned_p_1,
16160 global_reg_mentioned_p): Remove.
16161 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16163 * flow.c (initialize_uninitialized_subregs): Make it static.
16164 * rtl.h: Remove the prototype for
16165 initialize_uninitialized_subregs.
16167 * function.c (instantiate_virtual_regs): Make it static.
16168 * function.h: Remove the prototype for
16169 instantiate_virtual_regs.
16171 * regmove.c (regmove_optimize, combine_stack_adjustments):
16173 * rtl.h: Remove the prototypes for regmove_optimize and
16174 combine_stack_adjustments.
16176 2006-01-17 Roger Sayle <roger@eyesopen.com>
16178 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16179 (size_cost): Encode costs in bytes so that a reg-reg addition is
16180 equivalent to COSTS_N_INSNS(1).
16181 (override_options): Use the size_cost.branch_cost as the default
16182 ix86_branch_cost when optimizing for size.
16184 2006-01-18 Ben Elliston <bje@au.ibm.com>
16186 * Makefile.in (D32PBIT_FUNCS): New.
16187 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16188 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16189 D64PBIT_FUNCS and D128PBIT_FUNCS.
16190 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16191 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16193 (decnumber_dep): Define.
16194 * doc/libgcc.texi (Decimal float library routines): New node.
16195 * config/dfp-bit.h, config/dfp-bit.c: New files.
16197 2006-01-18 Ben Elliston <bje@au.ibm.com>
16199 * expr.c (emit_move_change_mode): Always adjust addresses, not
16200 just during reload. Copy replacements only during reload.
16201 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16202 emit_move_via_integer.
16204 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16206 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16207 instead of $(srcdir) and ${srcdir}.
16209 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16212 PR middle-end/11135
16213 * arm.h (struct machine_function): Add pic_reg.
16214 * arm.c (arm_pic_register): Make unsigned.
16215 (arm_override_options): Only set arm_pic_register if
16216 TARGET_SINGLE_PIC_BASE.
16217 (use_return_insn): Only test for a pic register if it is fixed.
16218 (arm_compute_save_reg0_reg12_mask): Likewise.
16219 (thumb_compute_save_reg_mask): Likewise.
16220 (legitimate_pic_operand): Factor out some known invariants.
16221 (legitimize_pic_address): If we don't have a fixed pic register,
16222 then set up a pseudo in the function entry sequence. Handle the
16223 pic base being in a pseudo.
16224 (arm_load_pic_register): Handle the pic register being in a pseudo.
16225 (arm_expand_prologue): Only set up the pic register if it is fixed.
16226 (thumb_expand_prologue): Likewise.
16227 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16228 (pic_load_addr_based_insn): Likewise.
16229 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16232 2006-01-18 Ben Elliston <bje@au.ibm.com>
16234 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16235 decimal float modes for all floating point registers.
16237 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16238 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16240 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16243 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16244 even when the pointer is not NULL.
16246 2006-01-16 Ian Lance Taylor <ian@airs.com>
16248 * common.opt (ftoplevel-reorder): New option.
16249 * cgraph.c (cgraph_asm_nodes): New global variable.
16250 (cgraph_asm_last_node): New static variable.
16251 (cgraph_order): New global variable.
16252 (cgraph_create_node): Set new order field.
16253 (cgraph_varpool_node): Likewise.
16254 (decide_is_variable_needed): Return true if not
16255 flag_toplevel_reorder.
16256 (cgraph_add_asm_node): New function.
16257 * cgraph.h (struct cgraph_node): Add order field.
16258 (struct cgraph_varpool_node): Add order field.
16259 (struct cgraph_asm_node): Define.
16260 (cgraph_asm_nodes, cgraph_order): Declare.
16261 (cgraph_add_asm_node): Declare.
16262 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16264 (cgraph_varpool_assemble_pending_decls): Call it.
16265 (cgraph_output_pending_asms): New static function.
16266 (cgraph_finalize_compilation_unit): Call it.
16267 (struct cgraph_order_sort): Define.
16268 (cgraph_output_in_order): New static function.
16269 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16270 !flag_toplevel_reorder case.
16271 * c-parser.c: Include "cgraph.h".
16272 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16274 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16275 than -fno-unit-at-a-time.
16276 * doc/invoke.texi (Option Summary): Mention
16277 -fno-toplevel-reorder.
16278 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16279 -funit-at-a-time documentation.
16281 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16282 Kazu Hirata <kazu@codesourcery.com>
16284 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16286 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16288 * Makefile.in (FUNCTION_H): New. Use it instead of
16289 function.h throughout the file.
16290 * function.h: Include tree.h.
16292 2006-01-17 Ben Elliston <bje@au.ibm.com>
16294 * recog.c: Separate some functions with whitespace.
16296 2006-01-16 Richard Henderson <rth@redhat.com>
16298 Merge from gomp branch:
16299 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16300 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16301 and rename from struct inline_data. Rename callee* to dst*;
16302 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16303 transform_new_cfg, transform_return_to_modify, and
16304 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16306 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16307 (copy_decl_for_dup): Remove.
16308 * tree-inline.c (struct inline_data): Move to header.
16309 (insert_decl_map): Export.
16310 (remap_decl): Update for member name changes. Use copy_decl hook.
16311 Allow for replacement to be a non-decl. Remove dead code.
16312 (remap_type_1): Check for existing mapping.
16313 (remap_type): Export.
16314 (remap_decls): Update for member name changes.
16315 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16316 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16317 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16318 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16319 (tree_function_versioning, build_duplicate_type): Likewise.
16320 (copy_body_r): Likewise. Export.
16321 (copy_decl_for_dup): Split into ...
16322 (copy_decl_for_dup_finish, copy_decl_to_var,
16323 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16324 (replace_ref_tree, inlining_p): Remove.
16326 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16328 * ifcvt.c (if_convert): Make it static.
16329 * rtl.h: Remove the prototype for if_convert.
16331 * local-alloc.c (local_alloc): Make it static.
16332 * rtl.h: Remove the prototype for local_alloc.
16334 * loop.c (loop_optimize): Make it static.
16335 * cfgloop.h: Remove the prototype for loop_optimize.
16338 2006-01-16 DJ Delorie <dj@redhat.com>
16340 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16343 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16345 * pa.md: Disparage copies between general and floating-point registers
16346 in 32-bit move patterns.
16348 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16351 * Makefile.in (check-%): Depend on site.exp instead of
16352 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16355 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16357 * global.c (global_alloc): Make it static.
16358 * rtl.h: Remove the prototype for global_alloc.
16360 2006-01-16 Richard Guenther <rguenther@suse.de>
16362 * tree-ssa-alias.c (struct used_part): Add write_only field.
16363 (get_or_create_used_part_for): Initialize it to true.
16364 (create_overlap_variables_for): Don't create structure variables
16365 for structures that only are written to.
16366 (find_used_portions): Handle MODIFY_EXPR to track whether a
16367 structure is only written to.
16369 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16371 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16373 * basic-block.h: Remove the prototype for
16374 partition_hot_cold_basic_blocks.
16376 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16378 * cppspec.c (lang_specific_spec_functions): Remove.
16379 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16380 * gcc.h (lang_specific_spec_functions): Remove.
16381 * gccspec.c (lang_specific_spec_functions): Remove.
16383 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16385 * combine.c (record_value_for_reg): Invalidate registers
16387 (record_dead_and_set_regs_1): Likewise, by passing them to
16388 record_value_for_reg.
16389 (record_dead_and_set_regs): Invalidate stores made by a
16390 call. We do not combine across a call, but we still
16391 relied on equivalences.
16393 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16395 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16396 vrp_int_const_binop returning non-constant nodes.
16398 2006-01-16 Paul Brook <paul@codesourcery.com>
16400 * config/m68k/m68k.c (output_move_const_into_data_reg):
16401 Output correct mnemonic for mvz and mvs.
16403 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16405 * rtl-factoring.c: Add sequence abstraction algorithm.
16406 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16407 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16409 (block_has_preserve_label): New function.
16410 * common.opt: Register new pass.
16411 * Makefile.in: Ditto.
16413 * timevar.def: Ditto.
16414 * tree-pass.h: Ditto.
16415 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16416 * rtl.h (make_jump_insn_raw): Add forward decl.
16417 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16419 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16420 Roger Sayle <roger@eyesopen.com>
16422 * fold-const.c (fold_minmax): New static function.
16423 (fold_binary) <MIN_EXPR>: Call it.
16424 <MAX_EXPR>: Likewise.
16425 * stor-layout.c (place_field): Use DECL_SIZE consistently
16426 in the computation of the new record size.
16428 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16430 * cse.c (cse_condition_code_reg): Make it static.
16431 * rtl.h: Remove the prototype for cse_condition_code_reg.
16433 * combine.c (combine_instructions): Make it static.
16434 * rtl.h: Remove the prototype for combine_instructions.
16436 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16439 * tree.c (get_file_function_name_long): Concatenate the first global
16440 object name with a string derived from the input filename of the object
16443 2006-01-16 Ben Elliston <bje@au.ibm.com>
16445 * config/i386/winnt-stubs.c: Update FSF address.
16446 * config/xtensa/ieee754-df.S: Ditto.
16447 * config/xtensa/ieee754-sf.S: Ditto.
16449 2006-01-14 Ian Lance Taylor <ian@airs.com>
16451 * ifcvt.c (noce_init_if_info): New static function, broken out of
16452 noce_process_if_block.
16453 (noce_process_if_block): Call noce_init_if_info.
16454 (check_cond_move_block): New static function.
16455 (cond_move_process_if_block): New static function.
16456 (process_if_block): Call cond_move_process_if_block.
16458 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16460 * cselib.c (hash_table): Rename to cselib_hash_table.
16461 (cselib_clear_table, discard_useless_values,
16462 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16463 cselib_init, cselib_finish): Adjust uses of hash_table.
16465 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16467 PR tree-optimization/25485
16468 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16469 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16470 is known to be false and true, respectively.
16472 2006-01-14 Richard Guenther <rguenther@suse.de>
16474 PR tree-optimization/22548
16475 PR tree-optimization/22555
16476 PR tree-optimization/22501
16477 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16478 * params.def (salias-max-array-elements): New parameter.
16479 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16480 * doc/invoke.texi (salias-max-array-elements): Document.
16481 * tree-flow-inline.h (var_can_have_subvars): We also handle
16483 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16485 * tree-ssa-structalias.c (params.h): Include.
16486 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16487 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16488 (get_constraint_for): For ADDR_EXPR operating on something
16489 containing an ARRAY_REF, add all subvars to the solution.
16490 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16491 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16492 for creating MUST_DEFs.
16493 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16495 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16497 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16499 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16500 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16501 number_of_iterations_le): New functions.
16502 (number_of_iterations_special): Removed.
16503 (number_of_iterations_exit): Do not use number_of_iterations_special.
16504 * tree.c (unsigned_type_for): Always return integer type.
16506 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16507 Richard Guenther <rguenther@suse.de>
16509 PR rtl-optimization/24257
16510 * gcse.c (find_moveable_store): Only consider a store movable
16511 when the SET_SRC of the insn can be assigned to a register.
16513 2006-01-14 Ian Lance Taylor <ian@airs.com>
16515 * tree.c (tree_not_class_check_failed): New function.
16516 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16517 (tree_not_class_check_failed): Declare.
16519 2006-01-13 Ian Lance Taylor <ian@airs.com>
16521 * reload1.c (do_output_reload): Add assertion rejecting a
16524 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16526 * combine.c (struct reg_stat): Add new fields truncation_label and
16528 (record_value_for_reg): Reset truncated_to_mode.
16529 (record_truncated_value): New function.
16530 (check_promoted_subreg): Call it. Rename to check_conversions.
16531 (combine_instructions): Rename check_promoted_subreg to
16533 (reg_truncated_to_mode): New function.
16534 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16535 (gen_lowpart_or_truncate): New function.
16536 (force_to_mode): Use it instead of gen_lowpart.
16538 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16540 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16541 VAR is a tag, not its type tag.
16543 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16545 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16546 alternatives to match style of other entries.
16547 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16549 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16551 PR tree-optimization/25771
16552 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16555 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16558 * tree-inline.c (declare_return_variable): If the return variable
16559 was marked as a non gimple complex, set the return slot variable
16560 to be a non gimple comple variable.
16562 2006-01-13 Richard Guenther <rguenther@suse.de>
16564 * builtins.c (expand_builtin_sincos): New function.
16565 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16567 (expand_builtin): Expand sincos using expand_builtin_sincos.
16569 2006-01-12 DJ Delorie <dj@redhat.com>
16571 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16572 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16573 so that constant shifts can be split.
16574 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16575 (m32c_valid_pointer_mode): Make static.
16576 (shift_gen_func_for): New.
16577 (m32c_prepare_shift): Use it. Split large const shifts into
16579 * config/m32c/predicates.md (shiftcount_operand): Allow more
16581 (longshiftcount_operand): New.
16582 * doc/md.texi (Machine Constraints): Document In6.
16584 2006-01-13 Ben Elliston <bje@au.ibm.com>
16586 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16587 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16590 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16592 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16593 to try to avoid clobbering pieces of structures when we know
16594 something about the whole structure.
16595 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16597 2006-01-13 Ben Elliston <bje@au.ibm.com>
16599 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16600 return in memory, as this is no limitation is no longer present.
16602 2006-01-12 DJ Delorie <dj@redhat.com>
16604 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16605 mova with fb, and for fb+0 -> An.
16607 * config/m32c/mov.md (peephole2): Fix enabling logic.
16609 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16610 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16611 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16612 FINI_ARRAY_SECTION_ASM_OP): Define.
16614 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16616 (m32c_legitimize_reload_address): New logic to reload FB to An.
16617 (m32c_output_reg_push): Add newline.
16618 (m32c_output_reg_pop): Likewise.
16620 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16622 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16624 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16626 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16628 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16630 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16633 2006-01-11 Ben Elliston <bje@au.ibm.com>
16635 * rtlanal.c (find_reg_note): Assert insn is not null.
16637 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16639 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16642 2006-01-11 Jeff Law <law@redhat.com>
16644 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16646 (mark_threaded_blocks, register_jump_thread): New functions.
16647 (thread_through_all_blocks): Remove unwanted argument. No
16648 longer rely on e->aux to communicate thread target info.
16649 Call mark_threaded_blocks. Release the threaded_blocks
16650 bitmap and threaded_edges vector when complete.
16651 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16652 (threaded_blocks): Remove.
16653 (tree_ssa_dominator_optimize): Remove initialization and
16654 finalization of threaded_blocks. Simplify call to
16655 thread_through_all_blocks.
16656 (thread_across_edge): Call register_jump_thread rather than
16657 storing thread information into e->aux.
16658 (free_all_edge_infos): Simplify now that e->aux is no longer
16659 used to communicate with thread_through_all_blocks.
16660 * tree-flow.h (thread_through_all_blocks): Update prototype.
16661 (register_jump_thread): Prototype.
16663 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16665 * df-core.c (df_compact_blocks, df_bb_replace): Use
16666 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16668 2006-01-11 Richard Guenther <rguenther@suse.de>
16670 PR tree-optimization/25734
16671 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16672 stop propagation after successful propagation to the LHS.
16674 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16676 * basic-block.h (control_flow_graph): Change the type of
16677 x_basic_block_info to VEC(basic_block,gc) *.
16678 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16680 (SET_BASIC_BLOCK): New.
16681 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16682 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16683 * cfgbuild.c (find_basic_blocks): Likewise.
16684 * cfglayout.c (fixup_reorder_chain): Likewise.
16685 * cfgrtl.c (create_basic_block_structure,
16686 rtl_create_basic_block): Likewise.
16687 * ifcvt.c (find_if_case_1): Likewise.
16688 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16691 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16693 * Makefile.in: Removed rotted odf.c entry.
16695 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16698 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16699 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16700 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16701 output pattern modifier, not %e.
16702 * config/cris/cris.c (cris_op_str): Update comment about pattern
16704 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16705 before falling through into...
16706 <case 'E'>: Redefined from old 'e' case.
16708 2006-01-11 Jan Hubicka <jh@suse.cz>
16711 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16713 2006-01-11 Jan Hubicka <jh@suse.cz>
16715 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16716 * i386.c (x86_decompose_lea): Kill.
16717 (ix86_rtx_costs): Kill.
16719 2006-01-11 Jan Hubicka <jh@suse.cz>
16721 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16722 * cgraph.h (cgraph_node): Add inline_decl.
16723 (cgraph_insert_node_to_hashtable): Declare.
16724 (save_inline_function_body): Declare.
16725 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16727 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16728 (cgraph_function_versioning): Update call of tree_function_versioning.
16729 (save_inline_function_body): New function.
16730 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16731 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16732 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16733 (cgraph_default_inline_p): Likewise.
16734 (cgraph_decide_inlining_incrementally): Likewise.
16735 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16736 (copy_bb): Kill saving; do updating of clones.
16737 (copy_cfg_body): Kill saving.
16738 (initialize_inlined-parameters): Likewise.
16739 (expand_call_inline): Likewise.
16741 (tree_function_versioning): New parameter "update_clones".
16742 (inlining_p): Kill saving.
16743 * tree-inline.h (tree_function_versioning): Update prototype.
16744 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16747 2006-01-11 Ian Lance Taylor <ian@airs.com>
16749 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16750 Allow undoing set of machine mode.
16751 (do_SUBST): Use enums instead of is_int.
16752 (do_SUBST_MODE): New function.
16753 (SUBST_MODE): New macro.
16754 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16755 reg and trying to replace reg_regno_rtx with a new register.
16756 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16757 (simplify_set): Use SUBST_MODE.
16758 (distribute_notes): Remove code that tried to update reg notes
16759 for regno_reg_rtx changes.
16761 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16763 PR tree-optimization/23109
16764 PR tree-optimization/23948
16765 PR tree-optimization/24123
16767 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16768 * tree-cfg.c (single_noncomplex_succ): New.
16769 * tree-flow.h (single_noncomplex_succ): Declare it.
16770 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16771 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16772 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16773 insert_bb, register_division_in, insert_reciprocals,
16774 replace_reciprocal, free_bb): New.
16775 (execute_cse_reciprocals_1): Rewritten.
16776 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16777 Do not commit any edge insertion. Always compute dominators and
16778 create the allocation pool.
16779 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16780 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16781 * targhooks.c (default_min_divistions_for_recip_mul): New.
16782 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16783 * passes.c (init_optimization_passes): Run recip after tree loop
16785 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16787 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16788 Kenneth Zadeck <zadeck@naturalbridge.com>
16790 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16791 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16792 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16793 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16794 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16795 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16796 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16797 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16798 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16799 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16800 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16801 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16802 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16803 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16804 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16805 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16806 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16807 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16808 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16809 DF_SCAN_POST_ALLOC): New macros.
16810 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16811 df_free_bb_function, df_local_compute_function, df_init_function,
16812 df_dataflow_function, df_confluence_function_0,
16813 df_confluence_function_n, df_transfer_function,
16814 df_finalizer_function, df_free_function, df_dump_problem_function,
16815 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16816 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16817 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16818 df_urec_bb_info, ) New types.
16819 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16821 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16822 df_analyze_simple_change_some_blocks,
16823 df_analyze_simple_change_one_block, df_compact_blocks,
16824 df_bb_replace, df_bb_regno_last_use_find,
16825 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16826 df_insn_regno_def_p, df_find_def, df_find_use,
16827 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16828 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16829 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16830 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16831 debug_df_chain, df_get_dependent_problem, df_chain_create,
16832 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16833 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16834 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16835 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16836 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16837 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16838 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16839 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16840 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16841 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16842 df_reorganize_refs, df_set_state, df_hard_reg_init,
16843 df_read_modify_subreg_p) New public functions.
16844 * df-core.c: The core dataflow solver and glue routines for rtl
16846 (df_init, df_add_problem, df_set_blocks, df_finish,
16847 df_hybrid_search_forward, df_hybrid_search_backward,
16848 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16849 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16850 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16851 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16852 df_reg_defined, df_find_use, df_reg_used, df_dump,
16853 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16854 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16855 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16856 debug_df_useno, reset_df_after_reload): New functions.
16857 * df-scan.c: The scanning fuctions, once in df.c, completely
16858 rewritten so that they now fully model the functionality of
16859 register usage at the backend.
16860 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16861 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16862 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16863 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16864 df_get_artificial_defs, df_get_artificial_uses,
16865 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16866 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16867 df_refs_delete, df_reorganize_refs, df_set_state,
16868 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16869 df_def_record_1, df_defs_record, df_uses_record,
16870 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16871 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16872 df_record_exit_block_uses, df_hard_reg_init): New functions.
16874 * df-problems.c: Seven concrete dataflow problems that use the
16875 scanning in df-scan.c and are solved by the engine in df-core.c.
16876 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16877 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16878 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16879 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16880 df_ru_free_bb_info, df_ru_alloc,
16881 df_ru_bb_local_compute_process_def,
16882 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16883 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16884 df_ru_transfer_function, df_ru_free, df_ru_dump,
16885 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16886 df_rd_free_bb_info, df_rd_alloc,
16887 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16888 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16889 df_rd_transfer_function, df_rd_free, df_rd_dump,
16890 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16891 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16892 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16893 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16894 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16895 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16896 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16897 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16898 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16899 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16900 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16901 df_urec_mark_reg_use_for_earlyclobber,
16902 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16903 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16904 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16905 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16906 df_chain_create_bb_process_use, df_chain_create_bb,
16907 df_chain_finalize, df_chain_free, df_chains_dump,
16908 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16909 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16910 df_reg_lifetime): New functions.
16911 * df.c: Deleted file.
16912 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16913 consistent with new df api.
16914 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16915 rest_of_handle_sms): Ditto.
16916 * web.c (unionfind_union, union_defs, entry_register, web_main):
16918 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16919 invariant_expr_equal_p, find_defs, check_dependencies,
16920 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16921 free_inv_motion_data, move_loop_invariants): Ditto.
16922 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16923 Update dependencies.
16924 (odf.c): Added defective entry that was deleted later in day.
16925 * sched-deps.c (sched_analyze_1): Ditto.
16927 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16929 * tree-ssa-operands.c (get_expr_operands): Record addressable
16930 variables directly. Do not call add_stmt_operands for CONST_DECLs
16932 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16933 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16935 2006-01-11 Ben Elliston <bje@au.ibm.com>
16937 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16938 function returns true in the positive case.
16940 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16943 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16944 for SI, DI, SF and DF modes. Add alternatives to copy between
16945 general and floating point registers to the 32-bit patterns.
16946 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16947 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16948 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16949 generating 64-bit code.
16950 * config/pa/pa.c (output_move_double): Handle copies between general
16951 and floating registers.
16953 2006-01-10 Stuart Hastings <stuart@apple.com>
16955 * config/i386/i386.md (set_got): Update.
16956 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16957 (builtin_setjmp_receiver): Mach-O support.
16958 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16959 (GOT_SYMBOL_NAME): Define.
16960 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16961 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16962 * config/i386/i386.c (override_options): Revise for Darwin.
16963 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16964 support. (darwin_x86_file_end): New. (output_set_got): Add label
16965 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16966 * config/i386/i386-protos.h (output_set_got): Likewise.
16967 * config/darwin.c (machopic_legitimize_pic_address): Update
16970 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16972 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16973 when MODE isn't BLKmode.
16975 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16977 PR rtl-optimization/25367
16978 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16980 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16983 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16984 for a negative bound.
16986 2006-01-10 Richard Guenther <rguenther@suse.de>
16988 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16989 Never override with anything constraint.
16991 2006-01-10 Jan Beulich <jbeulich@novell.com>
16993 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16994 256 bits when optimize_size.
16996 2006-01-10 Jan Beulich <jbeulich@novell.com>
16998 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17000 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17001 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17004 2006-01-10 Ben Elliston <bje@au.ibm.com>
17006 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17008 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17009 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17010 (USE_FP_FOR_ARG): Reject decimal float modes.
17011 (function_arg_advance): Likewise.
17012 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17013 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17014 point types in AltiVec vectors.
17015 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17016 (rs6000_libcall_value): Likewise.
17018 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17020 * config/xtensa/ieee754-df.S: New file.
17021 * config/xtensa/ieee754-sf.S: New file.
17022 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17023 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17024 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17026 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17028 * config/sh/predicates.md (binary_float_operator,
17029 binary_logical_operator, commutative_float_operator,
17030 equality_comparison_operator, greater_comparison_operator,
17031 less_comparison_operator, logical_operator,
17032 noncommutative_float_operator, shift_operator,
17033 symbol_ref_operand, unary_float_operator): Remove redundant
17036 2006-01-09 Jeff Law <law@redhat.com>
17038 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17039 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17040 now unused arguments. Callers updated.
17041 (eliminate_redundant_computations): Remove now unused arguments,
17043 (local_fold): Remove, no longer used.
17044 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17046 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17047 (simplify_cond): New function.
17048 (forward_propagate_into_cond): Call simplify_cond.
17050 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17052 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17053 (*vec_extractv2di_1_sse): New.
17055 2006-01-09 Ben Elliston <bje@au.ibm.com>
17057 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17059 2006-01-08 Richard Guenther <rguenther@suse.de>
17061 * tree-ssa-structalias.c (get_constraint_for): Remove
17062 anyoffset argument.
17063 (get_constraint_for_component_ref): Likewise.
17064 (do_deref): Likewise.
17065 (get_constraint_for): Likewise.
17066 (do_structure_copy): Likewise.
17067 (handle_ptr_arith): Likewise.
17068 (find_func_aliases): Likewise. Remove unused need_anyoffset
17071 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17072 Kaz Kojima <kkojima@gcc.gnu.org>
17074 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17075 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17076 (EXTRA_CONSTRAINT_C16): Remove.
17077 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17078 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17079 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17080 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17081 constants of SHmedia. Handle nested constant expressions of
17083 (andcosts): Fix the costs for SHmedia constants.
17084 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17085 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17086 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17087 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17088 (movv4hi_i, movv2si_i): Likewise.
17089 (movsi_const): Adjust the second operand of ior so to match with
17090 the Csu constraint.
17091 (movdi_const, movdi_const_32bit): Likewise.
17092 (movdi_const_16bit+1): Don't sign-extend LOW.
17093 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17095 (*double_shori): Fix the split condition. Use GEN_INT instead
17096 of get_int_mode calls. Mask lower 16-bit of the argument of
17098 (sym2GOTPLT): Remove.
17099 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17101 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17102 instead of EXTRA_CONSTRAINT_C16.
17104 2006-01-07 Ian Lance Taylor <ian@airs.com>
17105 David Edelsohn <edelsohn@gnu.org>
17107 PR rtl-optimization/25662
17108 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17109 for constant operands instead of simplify_gen_binary.
17110 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17111 after trying simplify_binary_operation
17113 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17115 * tree.c (iterative_hash_expr): Hash decls based on UID.
17117 2006-01-06 Eric Christopher <echristo@apple.com>
17119 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17120 (TARGET_UNWIND_EMIT): Fix spelling.
17121 * target.h (gcc_target): Add except_table_label.
17122 * except.c (output_function_exception_table): Use.
17123 * varasm.c (default_emit_except_table_label): New.
17124 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17126 (asm_out): Add here.
17127 * output.h (default_emit_except_table_label): Prototype.
17128 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17129 * config/darwin.c (darwin_emit_except_table_label): Define.
17130 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17132 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17134 PR tree-optimization/18527
17135 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17136 number_of_iterations_special, number_of_iterations_exit):
17137 Move base and step of an iv to a single structure. Add
17138 no_overflow flag, and use it in # of iterations analysis.
17139 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17140 folded_casts argument.
17141 (simple_iv): Pass base and step in a structure. Set no_overflow
17143 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17144 Evaluate expensiveness of computing # of iterations instead of
17145 the final expression.
17146 * tree-scalar-evolution.h (affine_iv): New structure.
17147 (simple_iv): Declaration changed.
17148 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17149 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17150 find_givs_in_stmt): Changed due to simple_iv change.
17152 2006-01-06 Jeff Law <law@redhat.com>
17155 * tree-cfg.c (bsi_replace): Rename final argument from
17156 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17157 change (stmt -> orig_stmt).
17158 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17159 (bsi_remove): Add new argument. Remove EH information
17161 (verify_eh_throw_table_statements): New function.
17162 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17164 * tree-optimize.c (execute_free_cfg_annotations): Verify
17165 the EH throw statement table after removing annotations.
17166 * except.h (verify_eh_throw_table_statements): Prototype.
17167 * tree-flow.h (bsi_remove): Update prototype.
17168 * tree-vrp.c (remove_range_assertions): Add new argument to
17170 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17171 * tree-complex.c (expand_complex_div_wide): Likewise.
17172 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17173 * tree-tailcall.c (eliminate_tailcall): Likewise.
17174 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17175 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17176 * tree-nrv.c (tree_nrv): Likewise.
17177 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17178 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17179 (combine_blocks): Likewise.
17180 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17181 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17182 (cleanup_control_flow): Likewise.
17183 (remove_forwarder_block): Likewise.
17184 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17185 * tree-sra.c (sra_replace): Likewise.
17186 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17187 (forward_propagate_single_use_vars): Likewise.
17188 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17189 * tree-inline.c (expand_call_inline): Likewise.
17190 * tree-vect-transform.c (vect_transform_loop): Likewise.
17191 * tree-outof-ssa.c (rewrite_trees): Likewise.
17192 * tree-cfg.c (make_goto_expr_edges): Likewise.
17193 (cleanup_dead_labels): Likewise.
17194 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17195 (bsi_move_before, bsi_move_after): Likewise.
17196 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17197 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17199 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17202 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17204 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17205 on non gimple variables. Also add checks at the top for decls and
17207 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17209 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17210 and IMAGPART_EXPR for creating MUST_DEFs.
17211 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17212 and NAME_MEMORY_TAG separately from the DECLs.
17214 2006-01-06 Richard Guenther <rguenther@suse.de>
17216 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17217 annotation, if necessary.
17218 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17219 redundant calls to update_stmt.
17220 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17223 2006-01-05 Richard Henderson <rth@redhat.com>
17225 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17227 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17229 * c-typeck.c: Update copyright date.
17231 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17233 * c-typeck.c (build_c_cast): Always warn when casting
17234 from a pointer to an integer of different size, even if
17235 the node was constant.
17237 2006-01-05 Richard Guenther <rguenther@suse.de>
17239 PR tree-optimization/22555
17240 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17241 if one structure field is an array.
17242 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17243 operands even if we found a subvar, but ignore VOPs in this
17245 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17247 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17249 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17251 PR middle-end/24998
17252 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17254 2006-01-05 Richard Guenther <rguenther@suse.de>
17255 Diego Novillo <dnovillo@redhat.com>
17257 * tree-pass.h (TODO_remove_unused_locals): Define.
17258 * gimple-low.c (expand_var_p, remove_useless_vars,
17259 pass_remove_useless_vars): Remove. Update all users.
17260 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17261 (remove_unused_locals): New function.
17262 * tree-flow.h (remove_unused_locals): Declare.
17263 * passes.c (execute_todo): Call remove_unused_locals if
17264 TODO_remove_unused_locals is set.
17265 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17266 * tree-ssa-dce.c (pass_dce): Likewise.
17267 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17269 2006-01-05 Richard Guenther <rguenther@suse.de>
17271 * tree-flow.h (struct fieldoff): Decompose field to
17272 type, size and decl.
17273 * tree-ssa-alias.c (create_sft): Take type as parameter.
17274 (create_overlap_variables_for): Store type, size and decl
17275 in the fieldoff structure.
17276 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17277 of struct fieldoff.
17278 (push_fields_onto_fieldstack): Likewise.
17279 (create_variable_info_for): Likewise. Use offset for the
17280 SFT name if the decl is not available.
17282 2006-01-04 Paul Brook <paul@codesourcery.com>
17284 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17286 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17288 * lambda-code.c (can_put_in_inner_loop): Relax
17290 (can_put_after_inner_loop): New function.
17291 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17292 (perfect_nestify): Change to make copies and modify uses.
17294 2006-01-04 Richard Henderson <rth@redhat.com>
17296 Merge from gomp branch:
17297 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17298 via integer constant.
17299 (pragma_lex): Remove.
17300 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17301 rather than parsing it.
17302 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17303 handle_pragma_extern_prefix): Add %< %> quotes.
17304 (registered_pragmas): New.
17305 (c_register_pragma_1): New.
17306 (c_register_pragma): Use it.
17307 (c_register_pragma_with_expansion): Likewise.
17308 (c_invoke_pragma_handler): New.
17309 (init_pragma): Use cpp_register_deferred_pragma directly for
17311 * c-pragma.h (enum pragma_kind): New.
17312 (pragma_handler): New.
17313 (c_invoke_pragma_handler): Declare.
17314 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17316 * c-common.h (c_common_pch_pragma): Update decl.
17317 * Makefile.in (c-parser.o): Update dependencies.
17318 (GTFILES): Add c-pragma.h.
17319 * c-parser.c (struct c_token): Add pragma_kind.
17320 (struct c_parser): Add in_pragma.
17321 (c_lex_one_token): Always initialize keyword and pragma_kind.
17322 Extract data for CPP_PRAGMA.
17323 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17324 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17325 Don't allow CPP_PRAGMA_EOL if in_pragma.
17326 (c_parser_consume_pragma): New.
17327 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17328 (c_parser_skip_to_end_of_parameter): Likewise.
17329 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17330 (c_parser_skip_to_pragma_eol): New.
17331 (c_parser_external_declaration): Handle CPP_PRAGMA.
17332 (c_parser_compound_statement_nostart): Likewise.
17333 (c_parser_statement_after_labels): Likewise.
17334 (c_parser_pragma): New.
17335 (pragma_lex): Likewise.
17336 (c_parser_pragma_pch_preprocess): New.
17337 (c_parser_new): Merge into ...
17338 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17340 2006-01-04 Jeff Law <law@redhat.com>
17343 * tree-cfg.c (bsi_replace): Remove the original statement
17344 from the EH throw statement table.
17346 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17348 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17349 make the prototype extern "C" and add throw ().
17352 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17353 and pos non-negative and pos + len <= 32.
17354 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17355 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17356 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17359 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17360 as well as sizes not multiple of component size.
17363 * function.c (instantiate_expr): New function.
17364 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17365 walk its DECL_VALUE_EXPR with instantiate_expr.
17367 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17368 DW_OP_deref{,_size} if address isn't going to be added.
17370 2006-01-04 Ben Elliston <bje@au.ibm.com>
17372 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17373 * config/fp-bit.c: Likewise.
17375 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17377 * dominance.c: Add comment about why we use DFS numbering
17380 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17381 Richard Henderson <rth@redhat.com>
17383 Merge from gomp-branch:
17384 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17385 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17387 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17389 PR rtl-optimization/25578
17390 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17391 pass a parameter to simplify_shift_const if changing ASHIFTRT
17394 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17396 * builtins.c (get_builtin_sync_mem): New function.
17397 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17398 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17399 Call get_builtin_sync_mem to generate mem rtx.
17401 2006-01-03 Richard Guenther <rguenther@suse.de>
17404 * stmt.c (add_case_node): Make sure to clear overflow flags
17407 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17409 Merge from gomp-branch.
17410 * config/sparc/sync.md: New file.
17411 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17412 UNSPECV_LDSTUB): New constants.
17413 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17414 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17415 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17418 2006-01-03 Roger Sayle <roger@eyesopen.com>
17420 * combine.c (reg_subword_p): New predicate to test whether the
17421 destination of a set refers to a subword/piece of a register.
17422 (try_combine): Generalize the code to merge the setting of a
17423 pseudo to a constant followed by a set of a subword of that
17424 register to a constant.
17426 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17428 * basic-block.h (control_flow_graph): Change the type of
17429 x_label_to_block_map to VEC(basic_block,gc) *.
17430 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17431 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17433 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17434 VEC(basic_block,heap) *.
17435 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17436 ssa_prop_fini): Adjust the uses of cfg_blocks.
17438 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17440 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17442 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17443 hashing trees instead of a pointer hash.
17444 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17445 compare for MEM_EXPR.
17447 PR rtl-optimization/25130
17448 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17449 when comparing MEMs for GCSE
17451 2006-01-03 Ben Elliston <bje@au.ibm.com>
17453 * targhooks.h (default_decimal_float_supported_p): Declare.
17454 * targhooks.c (default_decimal_float_supported_p): Define.
17455 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17456 `default_decimal_float_supported_p'.
17457 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17459 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17461 * combine.c (apply_distributive_law <SUBREG>): Check
17462 TRULY_NOOP_TRUNCATION.
17464 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17466 * dwarf2out.c (have_switched_text_section): Delete.
17467 (have_multiple_function_sections): New.
17468 (have_location_lists): Make 'bool'.
17469 (add_AT_loc_list): Use 'true' not '1'.
17470 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17471 (output_loc_list): Use have_multiple_function_sections.
17472 (output_ranges): Likewise.
17473 (dwarf2out_begin_function): Set have_multiple_function_sections if
17475 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17476 Check function_section rather than DECL_SECTION_NAME.
17477 (dwarf2out_finish): Use have_multiple_function_sections.
17478 Don't clear have_location_lists.
17480 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17481 Jan Hubicka <jh@suse.cz>
17483 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17484 case of conditional jump jumping to the next instruction.
17485 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17486 cases of conditional jump jumping to the next instruction.
17488 2006-01-02 Jan Hubicka <jh@suse.cz>
17490 * i386.c (*_cost): Add COSTS_N_INSNS.
17491 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17493 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17496 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17498 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17500 * config/arm/arm.c (all_fpus): Fix comment typo.
17501 * config/darwin.c: Likewise.
17502 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17503 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17504 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17506 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17508 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17509 (rs6000_split_compare_and_swapqhi): New.
17510 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17511 (sync_compare_and_swapqhi_internal): New.
17512 * config/rs6000/rs6000-protos.h: Declare.