* tree-vectorizer.c (supportable_widening_operation): Support
multi-step conversion, return the number of steps in such conversion
and the required intermediate types.
(supportable_narrowing_operation): Likewise.
* tree-vectorizer.h (vect_pow2): New function.
(supportable_widening_operation): Change argument types.
(supportable_narrowing_operation): Likewise.
(vectorizable_type_promotion): Add an argument.
(vectorizable_type_demotion): Likewise.
* tree-vect-analyze.c (vect_analyze_operations): Call
vectorizable_type_promotion and vectorizable_type_demotion with
additional argument.
(vect_get_and_check_slp_defs): Detect patterns.
(vect_build_slp_tree): Add an argument, don't fail in case of multiple
types.
(vect_analyze_slp_instance): Don't fail in case of multiple types. Call
vect_build_slp_tree with correct arguments. Calculate unrolling factor
according to the smallest type in the loop.
(vect_detect_hybrid_slp_stmts): Include statements from patterns.
* tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call
supportable_widening_operation with correct arguments.
* tree-vect-transform.c (vect_get_slp_defs): Allocate output vector
operands lists according to the number of vector statements in left
or right node, if exists.
(vect_gen_widened_results_half): Remove unused argument.
(vectorizable_conversion): Call supportable_widening_operation,
supportable_narrowing_operation, and vect_gen_widened_results_half
with correct arguments.
(vectorizable_assignment): Change documentation, support multiple
types in SLP.
(vectorizable_operation): Likewise.
(vect_get_loop_based_defs): New function.
(vect_create_vectorized_demotion_stmts): Likewise.
(vectorizable_type_demotion): Support loop-aware SLP and general
multi-step conversion. Call vect_get_loop_based_defs and
vect_create_vectorized_demotion_stmts for transformation.
(vect_create_vectorized_promotion_stmts): New function.
(vectorizable_type_promotion): Support loop-aware SLP and general
multi-step conversion. Call vect_create_vectorized_promotion_stmts
for transformation.
(vectorizable_store): Change documentation, support multiple
types in SLP.
(vectorizable_load): Likewise.
(vect_transform_stmt): Pass SLP_NODE to
vectorizable_type_promotion and vectorizable_type_demotion.
(vect_schedule_slp_instance): Move here the calculation of number
of vectorized statements for each node from...
(vect_schedule_slp): ... here.
(vect_transform_loop): Call vect_schedule_slp without the last
argument.
From-SVN: r139225
2008-08-18 Daniel Franke <franke.daniel@gmail.com>
PR fortran/37032
* gfortran.texi: Document decision on include file handling in
preprocessed files.
From-SVN: r139215
2008-08-18 H.J. Lu <hongjiu.lu@intel.com>
PR bootstrap/37153
* value-prof.c (check_counter): Dereference pointer to overall
count when printing it.
From-SVN: r139211
2008-08-18 Paolo Carlini <paolo.carlini@oracle.com>
* configure.ac: Do not hardcode HAVE_S_ISREG and HAVE_S_IFREG for
newlib.
* configure: Regenerate.
From-SVN: r139203
2008-08-18 Richard Guenther <rguenther@suse.de>
* tree-cfg.c (verify_types_in_gimple_assign): Verify copies
and loads have the correct types.
From-SVN: r139195
2008-08-18 Samuel Tardieu <sam@rfc1149.net>
Robert Dewar <dewar@adacore.com>
gcc/ada/
PR ada/30827
* bindgen.adb (Gen_Output_File_Ada): Zero-terminate the
version string.
Move comment in the right place.
* g-comver.adb (Version): Look for a zero-termination in
addition to a closing parenthesis.
2008-08-18 Robert Dewar <dewar@adacore.com>
gcc/testsuite/
PR ada/30827
* gnat.dg/test_version.adb: New.
From-SVN: r139192
2008-08-18 Richard Guenther <rguenther@suse.de>
* tree-sra.c (generate_element_init_1): Deal with NULL constructor
element index.
(scalarize_init): If we failed to generate some initializers
do not generate zeros for not instantiated members. Instead
rely on the copy out.
* tree-ssa-operands.c (get_addr_dereference_operands): Warn
about missing flow-sensitive alias info only if we have
aliases computed.
From-SVN: r139188
gcc/
2008-08-17 Daniel Jacobowitz <dan@codesourcery.com>
Richard Sandiford <rdsandiford@googlemail.com>
* doc/install.texi (--with-mips-plt): Document.
* doc/invoke.texi (-mplt, -mno-plt): Document.
* config.gcc (mips*-*-*): Add mips-plt to supported_defaults
and handle ${with_mips_plt}.
* config/mips/mips.opt (mplt): New option.
* config/mips/mips.h (TARGET_ABICALLS_PIC0): New macro.
(TARGET_ABICALLS_PIC2): Likewise.
(TARGET_GPWORD): Return false for TARGET_ABSOLUTE_ABICALLS.
(OPTION_DEFAULT_SPECS): Add a mips-plt entry.
(ASM_SPEC): Use !mabi=* instead of !mabi*.
(MIPS_CALL): Use TARGET_ABICALLS_PIC2 instead of TARGET_ABICALLS
to decide whether to output ".option picX" directives.
* config/mips/linux.h (SUBTARGET_ASM_SPEC): Remove -mabi=64 handling.
Pass -call_nonpic rather than -KPIC for -mplt.
(BASE_DRIVER_SELF_SPECS): Remove -mplt if -mno-shared is not present
on the command line. Also remove it when -mabi=64 is used without
-msym32.
* config/mips/linux64.h (SUBTARGET_ASM_SPEC): Delete.
* config/mips/mips.c (mips_use_pic_fn_addr_reg_p): Handle
TARGET_ABICALLS_PIC0.
(mips_classify_symbol): Use TARGET_ABICALLS_PIC2 instead of
TARGET_ABICALLS.
(mips16_build_function_stub): Only output ".option pic" directives
and PIC stubs if TARGET_ABICALLS_PIC2. Call through $25 instead of $1.
(mips16_build_call_stub): Fix comment and remove redundant
".set at"/"set .noat" directives.
(mips_function_rodata_section): Use the default behaviour for
TARGET_ABSOLUTE_ABICALLS.
(mips_file_start): Emit ".option pic0" for TARGET_ABICALLS_PIC0.
(mips_global_pointer): Handle TARGET_ABICALLS_PIC0.
(mips_restore_gp): Do nothing if the current function doesn't use
a global pointer.
(mips_expand_prologue): Only save $gp if the current function uses it.
Use a normal move for TARGET_ABICALLS_PIC0.
(mips_override_options): Only set flag_pic if TARGET_ABICALLS_PIC2.
Co-Authored-By: Richard Sandiford <rdsandiford@googlemail.com>
From-SVN: r139170
2008-08-17 Paolo Carlini <paolo.carlini@oracle.com>
* acinclude.m4 ([GLIBCXX_CHECK_LFS], [GLIBCXX_CHECK_POLL],
[GLIBCXX_CHECK_S_ISREG_OR_S_IFREG], [GLIBCXX_CHECK_WRITEV]):
Use GCC_TRY_COMPILE_OR_LINK instead of AC_TRY_LINK, in C++,
with -fno-exceptions as flags.
* configure.ac: Run unconditionally GLIBCXX_CHECK_LFS,
GLIBCXX_CHECK_POLL, GLIBCXX_CHECK_S_ISREG_OR_S_IFREG,
GLIBCXX_CHECK_WRITEV and commonized AC_CHECK_HEADERS.
* crossconfig.m4: Adjust; remove AC_CHECK_HEADERS commonized
in configure.ac.
* configure: Regenerate.
From-SVN: r139168
PR ada/20548
* common.opt (-fstack-check): Do not declare the variable here.
(-fstack-check=): New option variant.
* doc/invoke.texi (Code Gen Options): Document it.
* expr.h (STACK_OLD_CHECK_PROTECT): New macro.
(STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
(STACK_CHECK_STATIC_BUILTIN): New macro.
* doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
* opts.c: Include expr.h.
(common_handle_option) <OPT_fold_stack_check_>: New case.
<OPT_fstack_check>: Likewise.
* calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
consistently in the test for variable-sized types. Adjust for
new behaviour of flag_stack_check.
* explow.c: Include except.h.
(allocate_dynamic_stack_space): Do not take into account
STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
* function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
for variable-sized parameters. Treat all parameters whose size is
greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
stack checking is enabled.
* gimplify.c (gimplify_decl_expr): Treat non-static objects whose
size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
if generic stack checking is enabled.
(expand_function_end): Adjust for new behaviour of flag_stack_check.
* reload1.c (reload): Likewise.
* stmt.c (expand_decl): Assert that all automatic variables have
fixed size at this point and remove dead code.
* flags.h (stack_check_type): New enumeration type.
(flag_stack_check): Declare.
* toplev.c (flag_stack_check): New global variable.
* Makefile.in (opts.o): Add dependency on EXPR_H.
(explow.o): Add dependency on except.h.
ada/
* gcc-interface/decl.c (gnat_to_gnu_entity): Use DECL_SIZE_UNIT in the
setjmp test consistently. Adjust for new behaviour of flag_stack_check.
* gcc-interface/utils2.c (build_call_alloc_dealloc): Remove redundant
test of flag_stack_check. Adjust for new behaviour of flag_stack_check.
From-SVN: r139159
2008-08-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/35863
* intrinsics/selected_char_kind.c: Enable iso_10646.
* io/read.c (typedef uchar): New type.
(read_utf8): New function to read a single UTF-8 encoded character.
(read_utf8_char1): New function to read UTF-8 into a KIND=1 string.
(read_default_char1): New functio to read default into KIND=1 string.
(read_utf8_char4): New function to read UTF-8 into a KIND=4 string.
(read_default_char4): New function to read UTF-8 into a KIND=4 string.
(read_a): Modify to use the new functions.
(read_a_char4): Modify to use the new functions.
* io/write.c (error.h): Add include. (typedef uchar): New type.
(write_default_char4): New function to default write KIND=4 string.
(write_utf8_char4): New function to UTF-8 write KIND=4 string.
(write_a_char4): Modify to use new functions.
(write_character): Modify to use new functions.
From-SVN: r139147
Richard Guenther
Ira Rosen
Dorit Nuzman
Tobias Burnus
GCC Administrator
Adam Nemet
Steve Ellcey
Daniel Franke
H.J. Lu
H.J. Lu
Paul Yuan
Richard Sandiford
Paolo Carlini
Tomas Bily
Manuel López-Ibáñez
Andreas Tobler
Samuel Tardieu
Samuel Tardieu
Mark Wielaard
Nick Clifton
Daniel Jacobowitz
Aaron W. LaFramboise
David Edelsohn
Eric Botcazou
Eric Botcazou
Andy Hutchinson
Jerry DeLisle