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* 2002-08-02 Toon Moene <toon@moene.indiv.nluug.nl>toon2002-08-021-6/+6
| | | | | | | | | | * simplify-rtx.c (simplify_binary_operation): x * 1 is allowed when not honoring signalling NaNs. (simplify_ternary_operation): a == b has a definite value when not honoring NaNs. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55980 138bc75d-0d04-0410-961f-82ee72b054a4
* * df.c (df_insn_table_realloc): Change parameter to unsigned.ghazi2002-08-021-1/+1
| | | | | | | | | * optabs.c (expand_binop): Make variable unsigned. * simplify-rtx.c (simplify_subreg): Likewise. * unroll.c (unroll_loop): Cast to avoid signed/unsigned warnings. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55960 138bc75d-0d04-0410-961f-82ee72b054a4
* * Makefile.in: rtlanal.o now depends upon real.h.sayle2002-07-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * flags.h [flag_signaling_nans]: New flag. [HONOR_SNANS]: New macro. * toplev.c [flag_signaling_nans]: Initialize to false. (f_options): Add processing for "-fsignaling-nans". (set_fast_math_flags): Clear flag_signaling_nans with -ffast-math. (process_options): flag_signaling_nans implies flag_trapping_math. * c-common.c (cb_register_builtins): Define __SUPPORT_SNAN__ when -fsignaling-nans. First step to implementing WG14's N965. * fold-const.c (fold) [MULT_EXPR]: Conditionalize transforming 1.0 * x into x, and -1.0 * x into -x on !HONOR_SNANS. [RDIV_EXPR]: Conditionalize x/1.0 into x on !HONOR_SNANS. * simplify-rtx.c (simplify_relational_operation): Conditionalize transforming abs(x) < 0.0 into false on !HONOR_SNANS. * rtlanal.c: #include real.c for TARGET_FLOAT_FORMAT definitions required by HONOR_SNANS. (may_trap_p): Floating point DIV, MOD, UDIV, UMOD, GE, GT, LE, LT and COMPARE may always trap with -fsignaling_nans. EQ and NE only trap for flag_signaling_nans not flag_trapping_math (i.e. HONOR_SNANS but not HONOR_NANS). * doc/invoke.texi: Document new -fsignaling-nans compiler option. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55804 138bc75d-0d04-0410-961f-82ee72b054a4
* * simpify-rtx.c (simplify_subreg): Don't pass MODE_CC mode toamylaar2002-07-251-1/+2
| | | | | | | int_mode_for_mode. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55745 138bc75d-0d04-0410-961f-82ee72b054a4
* gcc:amylaar2002-07-231-3/+16
| | | | | | | | | | | | * reload.c (find_reloads_toplev): Use simplify_gen_subreg. * simplify-rtx.c (simplify_subreg): When converting to a non-int mode, try to convert to an integer mode of matching size first. gcc/testsuite: * gcc.c-torture/compile/simd-4.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55687 138bc75d-0d04-0410-961f-82ee72b054a4
* * simplify-rtx.x (simplify_subreg): When constructing a CONST_VECTORamylaar2002-07-231-1/+8
| | | | | | | | from individual subregs, check that each subreg has been generated sucessfully. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55686 138bc75d-0d04-0410-961f-82ee72b054a4
* * gengenrtl.c (gencode): Don't define obstack_alloc_rtx.neil2002-07-211-17/+3
| | | | | | | | | | | | * function.c (SYMBOL__MAIN): Remove definition. * global.c (SET_CONFLICT, REGBITP, ALLOCNO_LIVE_P): Remove. * predict.c (PROB_NEVER, PROB_LIKELY, PROB_UNLIKELY): Remove. * profile.c (GCOV_INDEX_TO_BB): Remove. * sched-rgn.c (ABS_VALUE, MIN_DIFF_PRIORITY, MIN_PROB_DIFF): Remove. * simplify-rtx.c (FIXED_BASE_PLUS_P): Remove. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55631 138bc75d-0d04-0410-961f-82ee72b054a4
* * simplify-rtx.c (simplify_relational_operation): Optimizesayle2002-07-201-0/+22
| | | | | | | | | abs(x) < 0.0 (and abs(x) >= 0.0 when using -ffast-math). * gcc.c-torture/execute/20020720-1.c: New test case. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55614 138bc75d-0d04-0410-961f-82ee72b054a4
* gcc:amylaar2002-07-111-0/+20
| | | | | | | | | | | | | | | | | | | Thu Jul 11 15:39:21 2002 J"orn Rennecke <joern.rennecke@superh.com> * simplify-rtx.c (simplify_subreg): Handle floating point CONST_DOUBLEs. When an integer subreg of a smaller mode than the element mode is requested, compute a subreg with an integer mode of the same size as the element mode first. testsuite: Thu Jul 11 15:39:21 2002 J"orn Rennecke <joern.rennecke@superh.com> Andrew Pinski <pinskia@physics.uc.edu> gcc.c-torture/compile/simd-2.c: New testcase. gcc.c-torture/compile/simd-3.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55410 138bc75d-0d04-0410-961f-82ee72b054a4
* gcc:amylaar2002-07-041-1/+18
| | | | | | | | | | | | | | | * simplify-rtx.c (simplify_subreg): Reduce problem of finding vector mode subregs of constants to finding integer mode subregs of constants. * cse.c (cse_insn): Use simplify_gen_subreg. * convert.c (convert_to_integer): Don't strip a NOP_EXPR From a vector mode expression of different size than the target mode. gcc/testsuite: * gcc.c-torture/compile/simd-3.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55234 138bc75d-0d04-0410-961f-82ee72b054a4
* gcc:amylaar2002-07-031-9/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * optabs.c (expand_vector_binop): Don't store using a SUBREG smaller than UNITS_PER_WORD, unless this is little endian and the first unit in this word. Let extract_bit_field decide how to load an element. Force arguments to matching mode. (expand_vector_unop): Likewise. * simplify-rtx.c (simplify_subreg): Don't assume that all vectors consist of word_mode elements. * c-typeck.c (build_binary_op): Allow vector types for BIT_AND_EXPR, BIT_ANDTC_EXPR, BIT_IOR_EXPR and BIT_XOR_EXPR. (build_unary_op): Allow vector types for BIT_NOT_EPR. * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg for CONST_VECTOR. * optabs.c (expand_vector_binop): Try to perform operation in smaller vector modes with same inner size. Add handling of AND, IOR and XOR. Reject expansion to inner-mode sized scalars when using OPTAB_DIRECT. Use simplify_gen_subreg on constants. (expand_vector_unop): Try to perform operation in smaller vector modes with same inner size. Add handling of one's complement. When there is no vector negate operation, try a vector subtract operation. Use simplify_gen_subreg on constants. * simplify-rtx.c (simplify_subreg): Add capability to convert vector constants into smaller vectors with same inner mode, and to integer CONST_DOUBLEs. gcc/testsuite: * gcc.c-torture/execute/simd-1.c (main): Also test &, |, ^, ~. * gcc.c-torture/execute/simd-2.c (main): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55209 138bc75d-0d04-0410-961f-82ee72b054a4
* 2002-06-16 Aldy Hernandez <aldyh@redhat.com>aldyh2002-06-181-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * gcc.c-torture/execute/simd-1.c: New. * gcc.dg/simd-1.c: New. * doc/extend.texi (Vector Extensions): Document that we can specify simd types not specifically supported by the hardware. Document that simd types can be used as function arguments. Document that signness does make a difference in SIMD types. Misc cleanups and revisions to the "vector extensions" section. * simplify-rtx.c (simplify_subreg): Simplify subregs of vector constants. * expr.c (vector_mode_valid_p): New. * expr.h: Add vector_mode_valid_p. * defaults.h (VECTOR_MODE_SUPPORTED_P): Set default. * emit-rtl.c (immed_double_const): Do not abort on vectors. * c-common.c (type_for_mode): Always build vector nodes regardless of VECTOR_MODE_SUPPORTED_P. (handle_mode_attribute): Error if we can't emulate a nonexisting vector mode. (handle_vector_size_attribute): Same. * optabs.c (expand_binop): Open-code vector operations. (expand_unop): Open-code vector unops. (expand_vector_binop): New. (expand_vector_unop): New. * c-typeck.c (build_binary_op): Allow vectors in binops. Allow vectors in conditional operatiors. (build_unary_op): Allow vectors in unary minus. * config/rs6000/rs6000.h (ALTIVEC_VECTOR_MODE): Conditionalize on TARGET_ALTIVEC. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54727 138bc75d-0d04-0410-961f-82ee72b054a4
* * simplify-rtx.c (simplify_replace_rtx): Allow replacementsayle2002-06-101-6/+11
| | | | | | | of matching registers. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54476 138bc75d-0d04-0410-961f-82ee72b054a4
* * simplify-rtx.c (simplify_gen_relational): Simplify RTL of the formsayle2002-06-071-0/+21
| | | | | | | | | (ne (comp x y) 0) into (comp x y) where comp is a comparison code. Simplify (eq (comp x y) 0) into (revcomp x y) if the sense of the comparison code comp can be reversed. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54357 138bc75d-0d04-0410-961f-82ee72b054a4
* * simplify-rtx.c (simplify_gen_relational): Simplify the RTXsayle2002-05-251-0/+4
| | | | | | | (cond (compare x y) 0) into the equivalent (cond x y). git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53870 138bc75d-0d04-0410-961f-82ee72b054a4
* * sbitmap.c: Fix formatting.kazu2002-05-091-23/+23
| | | | | | | | | | | | | | | | | | | | | * scan.c: Likewise. * scan-decls.c: Likewise. * sched-deps.c: Likewise. * sched-ebb.c: Likewise. * sched-rgn.c: Likewise. * sched-vis.c: Likewise. * sdbout.c: Likewise. * sibcall.c: Likewise. * simplify-rtx.c: Likewise. * ssa.c: Likewise. * ssa-ccp.c: Likewise. * ssa-dce.c: Likewise. * stmt.c: Likewise. * stor-layout.c: Likewise. * stringpool.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53324 138bc75d-0d04-0410-961f-82ee72b054a4
* * cpplex.c: Fix comment formatting.kazu2002-04-301-1/+1
| | | | | | | | | | | | * function.c: Likewise. * integrate.c: Likewise. * regrename.c: Likewise. * sibcall.c: Likewise. * simplify-rtx.c: Likewise. * tree-inline.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@52972 138bc75d-0d04-0410-961f-82ee72b054a4
* * toplev.c: Don't include setjmp.h. Kill float_handler_set,zack2002-03-251-200/+59
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | float_handled, float_handler, float_signal, set_float_handler, and do_float_handler. Set handler for SIGFPE to crash_signal. * toplev.h: Don't prototype do_float_handler. * c-lex.c: Fold parse_float into lex_number. Make warning about portability of hex float constants more informative, and don't issue it on top of a syntax error. * fold-const.c: Fold const_binop_1 and fold_convert_1 into their callers. * real.h: Define REAL_VALUE_ABS here... * simplify-rtx.c: ... not here. Fold check_fold_consts, simplify_unary_real, simplify_binary_real, and simplify_binary_is2orm1 into their callers. * tree.c: Fold build_real_from_int_cst_1 into caller. * doc/tm.texi: Document REAL_VALUE_ABS and REAL_VALUE_NEGATIVE. * tsystem.h: Include float.h here... * libgcc2.c: ... not here. java: * lex.c: Change java_perform_atof to take normal parameters instead of a pointer to a parameter block. Call it directly from java_lex. testsuite: * gcc.dg/c90-hexfloat-1.c: Adjust error regexps. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51336 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.h: Don't define REAL_INFINITY or REAL_IS_NOT_DOUBLE.zack2002-03-231-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Always make REAL_VALUE_TYPE a struct containing an array of HOST_WIDE_INT, not a double. Tidy up the code deciding how big it is. Don't declare or use union real_extract. * emit-rtl.c (init_emit_once), varasm.c (immed_real_const_1, decode_rtx_const, output_constant_pool), config/a29k/a29k.c (print_operand), config/arm/arm.c (output_move_double), config/arm/arm.md (consttable_4, consttable_8), config/romp/romp.c (output_fpops), config/s390/s390.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY), config/xtensa/xtensa.c (xtensa_output_literal): Don't use union real_extract. * config/dsp16xx/dsp16xx.c (print_operand), config/i860/i860.c (sfmode_constant_to_ulong), config/ns32k/merlin.h (PRINT_OPERAND), config/ns32k/ns32k.c (print_operand), config/pdp11/pdp11.h (PRINT_OPERAND), config/we32k/we32k.h (PRINT_OPERAND): Don't use local version of union real_extract. * config/convex/convex.c (check_float_value), config/vax/vax.c (vax_float_literal), config/m88k/m88k.md (divdf3), config/dsp16xx/dsp16xx.md (fixuns_trunchfhi2), config/pdp11/pdp11.c (output_move_quad): Don't do host arithmetic on target floating point quantities. * config/a29k/a29k.md, config/dsp16xx/dsp16xx.c (output_dsp16xx_float_const): Don't test HOST_FLOAT_FORMAT. * fold-const.c (fold), simplify-rtx.c (simplify_binary_real): Use MODE_HAS_INFINITIES rather than #ifdef REAL_INFINITY. * real.c (earith): Test INFINITY rather than REAL_INFINITY; NANS implies INFINITY, so can drop #ifdef NANS inside #ifndef INFINITY. * print-rtl.c (print_rtx): Disable code which needs floating-point emulator. * libgcc2.c: Include float.h and use DBL_MANT_DIG, FLT_MANT_DIG, to define DF_SIZE and SF_SIZE, rather than depending on HOST_FLOAT_FORMAT to be defined properly. * ch/grant.c, cp/error.c: Always use REAL_VALUE_TO_DECIMAL; don't test REAL_IS_NOT_DOUBLE. * config/1750a/1750a.c (get_double, float_label): Delete. (print_operand): Delete huge commented-out chunk. Use REAL_VALUE_TO_DECIMAL. * config/1750a/1750a-protos.h: Delete prototypes of deleted functions. * config/convex/convex.h: Always set TARGET_FLOAT_FORMAT to IEEE_FLOAT_FORMAT. * config/i370/i370.h (PRINT_OPERAND [TARGET_HLASM version]): Use REAL_VALUE_TO_DECIMAL as ELF version does. * config/m88k/m88k.c (real_power_of_2_operand, legitimize_operand): Take the REAL_VALUE_TYPE and/or union real_extract out of the union; run the input through REAL_VALUE_TO_TARGET_DOUBLE, then plug the pair of longwords from that into the union. * config/pdp11/pdp11.c (output_move_double): Rearrange parentheses to make automatic indenter happy. * doc/tm.texi (Cross-compilation): Rename node to "Floating Point" and rewrite to describe current situation. Also adjust documentation of REAL_VALUE_TO_TARGET_SINGLE and friends to match code. * doc/rtl.texi: Adjust cross reference. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51210 138bc75d-0d04-0410-961f-82ee72b054a4
* * emit-rtl.c (gen_int_mode): New function.rth2002-03-191-2/+2
| | | | | | | | | | | | | | * rtl.h: Prototype for it. * combine.c (make_extraction, simplify_comparison), expmed.c (store_bit_field, expand_mult_highpart, expand_divmod), expr.c (convert_modes, store_field), optabs.c (expand_fix), simplify-rtx.c (neg_const_int, simplify_unary_real), * config/rs6000/rs6000.c, config/rs6000/rs6000.md: Use it instead of GEN_INT (trunc_int_for_mode (...)). git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51030 138bc75d-0d04-0410-961f-82ee72b054a4
* Add 2002 to the copyright dates.rsandifo2002-03-071-1/+1
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50404 138bc75d-0d04-0410-961f-82ee72b054a4
* * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES): New.rsandifo2002-03-071-30/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): New. * flags.h (HONOR_NANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS): New. (HONOR_SIGN_DEPENDENT_ROUNDING): New. * builtins.c (expand_builtin_mathfn): Use HONOR_NANS. * c-common.c (truthvalue_conversion): Reduce x - y != 0 to x != y unless x and y could be infinite. (expand_unordered_cmp): New, mostly split from expand_tree_builtin. Check that the common type of both arguments is a real, even for targets without unordered comparisons. Allow an integer argument to be compared against a real. (expand_tree_builtin): Use expand_unordered_cmp. * combine.c (combine_simplify_rtx): Use the new HONOR_... macros. * cse.c (fold_rtx): Likewise. Fix indentation. * fold-const.c (fold_real_zero_addition_p): New. (fold): Use it, and the new HONOR_... macros. * ifcvt.c (noce_try_minmax): Use the new HONOR_... macros. * jump.c (reversed_comparison_code_parts): After searching for the true comparison mode, use HONOR_NANS to decide whether it can be safely reversed. (reverse_condition_maybe_unordered): Remove IEEE check. * simplify-rtx.c (simplify_binary_operation): Use the new macros to decide which simplifications are valid. Allow the following simplifications for IEEE: (-a + b) to (b - a), (a + -b) to (a - b), and (a - -b) to (a + b). (simplify_relational_operation): Use HONOR_NANS. * doc/tm.texi: Document the MODE_HAS_... macros. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50401 138bc75d-0d04-0410-961f-82ee72b054a4
* * reload1.c (reload): Unshare all rtl after reload is done.uweigand2002-03-061-9/+11
| | | | | | | | | * simplify-rtx.c (simplify_plus_minus): Do not abort, but simply fail if the expression is too complex to simplify. (simplify_gen_binary): Handle simplify_plus_minus failures. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50380 138bc75d-0d04-0410-961f-82ee72b054a4
* * emit-rtl.c, final.c, fold-const.c, gengenrtl.c, optabs.c,zack2002-03-031-79/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | print-tree.c, real.c, real.h, recog.c, rtl.c, simplify-rtx.c, tree.c, config/m68k/m68k.c, f/com.c, f/target.h, java/expr.c, java/jcf-parse.c, java/lex.c: Remove all #ifndef REAL_ARITHMETIC blocks, make all #ifdef REAL_ARITHMETIC blocks unconditional. Delete some further #ifdef blocks predicated on REAL_ARITHMETIC. * flags.h, toplev.c: Delete remaining references to flag_pretend_float. * doc/invoke.texi: Remove documentation of -fpretend-float. * doc/tm.texi: Describe the various REAL_* macros as provided by real.h, not by the target configuration files. * config/alpha/alpha.h, config/alpha/unicosmk.h, config/arm/arm.h, config/avr/avr.h, config/c4x/c4x.h, config/convex/convex.h, config/cris/cris.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h, config/h8300/h8300.h, config/i370/i370.h, config/i386/i386.h, config/i386/osf1elf.h, config/i960/i960.h, config/ia64/ia64.h, config/m32r/m32r.h, config/m68hc11/m68hc11.h, config/m68k/dpx2.h, config/m68k/linux-aout.h, config/m68k/linux.h, config/m68k/m68k.h, config/m68k/sun3.h, config/m68k/vxm68k.h, config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h, config/mn10300/mn10300.h, config/pa/pa.h, config/pj/pj.h, config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h, config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h, config/sparc/sol2.h, config/sparc/sparc.h, config/sparc/vxsim.h, config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vax.h, config/xtensa/xtensa.h: Do not define, undefine, or mention in comments any of REAL_ARITHMETIC, REAL_VALUE_ATOF, REAL_VALUE_HTOF, REAL_VALUE_ISNAN, REAL_VALUE_ISINF, REAL_VALUE_TO_TARGET_SINGLE, REAL_VALUE_TO_TARGET_DOUBLE, REAL_VALUE_TO_TARGET_LONG_DOUBLE, REAL_VALUE_TO_DECIMAL, REAL_VALUE_TYPE, REAL_VALUES_EQUAL, REAL_VALUES_LESS, REAL_VALUE_LDEXP, REAL_VALUE_FIX, REAL_VALUE_UNSIGNED_FIX, REAL_VALUE_RNDZINT, REAL_VALUE_UNSIGNED_RNDZINT, REAL_INFINITY, REAL_VALUE_NEGATE, REAL_VALUE_TRUNCATE, REAL_VALUE_TO_INT, or REAL_VALUE_FROM_INT. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50263 138bc75d-0d04-0410-961f-82ee72b054a4
* * emit-rtl.c (offset_address): Use simplify_gen_binary ratherrth2002-02-211-23/+40
| | | | | | | | | | | | | | | | | | | | than gen_rtx_PLUS to form the sum. * explow.c (force_reg): Rearrange to not allocate new pseudo when force_operand returns a register. * expr.c (expand_assignment): Allow offset_rtx expansion to return a sum. Do not force addresses into registers. (expand_expr): Likewise. * simplify-rtx.c (simplify_gen_binary): Use simplify_plus_minus to canonicalize arithmetic that didn't simpify. (simplify_plus_minus): New argument force; update all callers. Don't split CONST unless we can do something with it, and wouldn't lose the constness of the operands. * config/i386/i386.c (legitimize_pic_address): Recognize UNSPECs that we generated earlier. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@49945 138bc75d-0d04-0410-961f-82ee72b054a4
* * combine.c (do_SUBST): Sanity check substitutions ofaoliva2002-02-201-4/+9
| | | | | | | | | | | | | CONST_INTs, and reject them in SUBREGs and ZERO_EXTENDs. (subst): Simplify SUBREG or ZERO_EXTEND instead of SUBSTing a CONST_INT into its operand. (known_cond): Likewise, for ZERO_EXTEND. * simplify-rtx.c (simplify_unary_operation): Fix condition to allow for simplification of wide modes. Reject CONST_INTs in ZERO_EXTEND when their actual mode is not given. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@49920 138bc75d-0d04-0410-961f-82ee72b054a4
* * config/i386/mmintrin.h: New file.rth2002-01-121-0/+9
| | | | | | | | | | | | | | | | | | | | * config/i386/xmmintrin.h: New file. * config.gcc (i?86-*-*): Add extra_headers. * simplify-rtx.c (simplify_unary_operation): Handle saturating truncation codes. (simplify_binary_operation): Handle saturating arithmetic codes. * config/i386/i386.c (ix86_expand_sse_comi): Return the full result, not the lowpart subreg. (ix86_expand_builtin): Return a TImode dummy register instead of 0 on error. * config/i386/i386.md (mmx_clrdi): Override memory attribute. * gcc.dg/i386-mmx-1.c, gcc.dg/i386-mmx-2.c: New. * gcc.dg/i386-sse-1.c, gcc.dg/i386-sse-2.c, gcc.dg/i386-sse-1.c: New. CVs: ---------------------------------------------------------------------- git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48793 138bc75d-0d04-0410-961f-82ee72b054a4
* * simplify-rtx.c (simplify_plus_minus): Bump n_ops for NOT.jakub2002-01-071-2/+8
| | | | | | | | | Don't allow -1 - x -> ~x simplifications in the first pass. * gcc.c-torture/execute/20020107-1.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48614 138bc75d-0d04-0410-961f-82ee72b054a4
* * simplify-rtx.c (simplify_binary_operation) [DIV]: Ifjakub2002-01-031-1/+8
| | | | | | | | | gen_lowpart_common fails, use gen_lowpart_SUBREG. * gcc.c-torture/compile/20020103-1.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48514 138bc75d-0d04-0410-961f-82ee72b054a4
* * except.c: Fix comment formatting.kazu2001-12-281-1/+1
| | | | | | | | | | | | | * flags.h: Likewise. * flow.c: Likewise. * predict.c: Likewise. * simplify-rtx.c: Likewise. * system.h: Likewise. * vmsdbg.h: Likewise. * vmsdbgout.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48349 138bc75d-0d04-0410-961f-82ee72b054a4
* * simplify-rtx.c (simplifi_binary_operation) [DIV]: If DIV hasjakub2001-12-201-1/+4
| | | | | | | | | narrower mode than op0, only return the bits in DIV's mode. * gcc.c-torture/compile/20011219-2.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48199 138bc75d-0d04-0410-961f-82ee72b054a4
* * recog.c (validate_replace_rtx_1): Use simplify_gen_binaryrth2001-12-131-9/+22
| | | | | | | | | instead of plus_constant. * simplify-rtx.c (neg_const_int): New. (simplify_gen_binary, simplify_plus_minus): Use it. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47961 138bc75d-0d04-0410-961f-82ee72b054a4
* * dbxout.c (dbxout_symbol_location): Update call of alter_subreg.hubicka2001-11-141-1/+12
| | | | | | | | | | | | | | | * final.c (walk_alter_subreg): Take pointer; update call of alter_subreg. (final_scan_insn): Update call of alter_subreg. (cleanup_subreg_operands): Likewise. (alter_subreg): Rewrite using simplify_subreg. (output_address, output_operand): Update call of alter_subreg. * output.h (alter_subreg): Update prototype. * sdbout.c (sdbout_symbol): Update call of alter_subreg. * simplify-rtx.c (simplify_subreg): Copy ORIGINAL_REGNO. * Makefile.in (final.o): Add depdendancy on expr.h git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47013 138bc75d-0d04-0410-961f-82ee72b054a4
* * ChangeLog.2, ChangeLog.3, ChangeLog.4, FSFChangeLog.10,jsm282001-10-291-1/+1
| | | | | | | | | FSFChangeLog.11, c-common.c, c-common.def, c-common.h, c-decl.c, c-dump.c, c-typeck.c, except.c, sdbout.c, simplify-rtx.c, timevar.h, tree.h, varasm.c: Fix spelling errors and typos. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46621 138bc75d-0d04-0410-961f-82ee72b054a4
* * simplify-rtx.c (simplify_plus_minus): Negate constant iff its negjakub2001-10-191-1/+1
| | | | | | | | | field is different to previous argument's neg field. * gcc.c-torture/execute/20011019-1.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46356 138bc75d-0d04-0410-961f-82ee72b054a4
* 2001-10-10 Stan Shebs <shebs@apple.com>shebs2001-10-111-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * alias.c: Remove uses of "register" specifier in declarations of arguments and local variables. * c-common.c: Ditto. * c-convert.c: Ditto. * c-decl.c: Ditto. * c-format.c: Ditto. * c-semantics.c: Ditto. * c-typeck.c: Ditto. * caller-save.c: Ditto. * calls.c: Ditto. * cfg.c: Ditto. * cfgbuild.c: Ditto. * cfgrtl.c: Ditto. * collect2.c: Ditto. * combine.c: Ditto. * convert.c: Ditto. * cppexp.c: Ditto. * cppfiles.c: Ditto. * cse.c: Ditto. * dbxout.c: Ditto. * defaults.h: Ditto. * df.c: Ditto. * dwarf2out.c: Ditto. * dwarfout.c: Ditto. * emit-rtl.c: Ditto. * explow.c: Ditto. * expmed.c: Ditto. * expr.c: Ditto. * final.c: Ditto. * fix-header.c: Ditto. * floatlib.c: Ditto. * flow.c: Ditto. * fold-const.c: Ditto. * function.c: Ditto. * gcc.c: Ditto. * gcse.c: Ditto. * gen-protos.c: Ditto. * genattrtab.c: Ditto. * gencheck.c: Ditto. * genconfig.c: Ditto. * genemit.c: Ditto. * genextract.c: Ditto. * genflags.c: Ditto. * gengenrtl.c: Ditto. * genoutput.c: Ditto. * genpeep.c: Ditto. * genrecog.c: Ditto. * gensupport.c: Ditto. * global.c: Ditto. * gmon.c: Ditto. * graph.c: Ditto. * haifa-sched.c: Ditto. * hard-reg-set.h: Ditto. * hash.c: Ditto. * integrate.c: Ditto. * jump.c: Ditto. * lists.c: Ditto. * local-alloc.c: Ditto. * loop.c: Ditto. * mips-tdump.c: Ditto. * mips-tfile.c: Ditto. * optabs.c: Ditto. * prefix.c: Ditto. * print-rtl.c: Ditto. * read-rtl.c: Ditto. * real.c: Ditto. * recog.c: Ditto. * reg-stack.c: Ditto. * regclass.c: Ditto. * regmove.c: Ditto. * reload.c: Ditto. * reload1.c: Ditto. * reorg.c: Ditto. * resource.c: Ditto. * rtl.c: Ditto. * rtlanal.c: Ditto. * scan.c: Ditto. * sched-deps.c: Ditto. * sched-rgn.c: Ditto. * sdbout.c: Ditto. * simplify-rtx.c: Ditto. * stmt.c: Ditto. * stor-layout.c: Ditto. * toplev.c: Ditto. * tradcif.y: Ditto. * tradcpp.c: Ditto. * tree.c: Ditto. * unroll.c: Ditto. * varasm.c: Ditto. * xcoffout.c: Ditto. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46173 138bc75d-0d04-0410-961f-82ee72b054a4
* * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.rth2001-09-071-114/+195
| | | | | | | | | | | | | | | | | (express_from_1): Wrap lines. * rtlanal.c (commutative_operand_precedence): Rename from operand_preference; export. * rtl.h: Declare it. * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling. (simplify_binary_operation): Invoke simplify_plus_minus on (CONST (PLUS ...)) as well. (struct simplify_plus_minus_op_data): New. (simplify_plus_minus_op_data_cmp): New. (simplify_plus_minus): Use them. Avoid infinite recursion with simplify_binary_operation wrt CONST. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45473 138bc75d-0d04-0410-961f-82ee72b054a4
* * simplify-rtx.c (simplify_binary_operation): Revert last change.rth2001-09-061-22/+0
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45456 138bc75d-0d04-0410-961f-82ee72b054a4
* * simplify-rtx.c (simplify_binary_operation): Simplify contentsrth2001-09-061-0/+22
| | | | | | | of CONST. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45447 138bc75d-0d04-0410-961f-82ee72b054a4
* * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,gerald2001-08-221-12/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45105 138bc75d-0d04-0410-961f-82ee72b054a4
* * optabs.h (OTI_flodiv, flodiv_optab): Kill.zack2001-08-181-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * genopinit.c: Put floating point divide insns in sdiv_optab. * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab. * config/gofast.h, config/c4x/c4x.h, config/ia64/hpux_longdouble.h, config/mips/mips.h, config/pa/long_double.h, config/rs6000/sysv4.h, config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab. * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv. (init_optabs): Use init_optabv for overflow-trapping optabs. Don't init flodiv_optab. Give mov_optab, movstrict_optab, and cmp_optab RTX codes so have_insn_for can find them. * optabs.c (expand_simple_binop, expand_simple_unop, have_insn_for, gen_sub3_insn): New interfaces. * expr.h: Prototype new functions. (enum optab_methods): Move here from optabs.h. * builtins.c, combine.c, doloop.c, function.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c: Use new functions instead of working directly with optabs. * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c, unroll.c: Don't include optabs.h. * caller-save.c, combine.c, function.c, stmt.c: Just include insn-codes.h, not optabs.h. * Makefile.in: Update dependencies. * combine.c (make_compound_operation, simplify_comparison): Fix typos testing for this or that instruction. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45008 138bc75d-0d04-0410-961f-82ee72b054a4
* * sbitmap.c: Fix comment formatting.kazu2001-08-171-2/+2
| | | | | | | | | | | | | | | | | * sched-deps.c: Likewise. * sibcall.c: Likewise. * simplify-rtx.c: Likewise. * ssa.c: Likewise. * ssa-ccp.c: Likewise. * stor-layout.c: Likewise. * timevar.c: Likewise. * toplev.c: Likewise. * unwind-dw2.c: Likewise. * unwind-dw2-fde.c: Likewise. * varasm.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44983 138bc75d-0d04-0410-961f-82ee72b054a4
* * expr.h: Split out optab- and libfunc-related code to...zack2001-08-131-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * optabs.h, libfuncs.h: ... these new headers. * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h. (OPTABS_H): New. (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to dependencies. * mkconfig.sh: Don't include insn-codes.h from config.h. * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether enum insn_code is available. Move reload_in_optab and reload_out_optab array declarations to optabs.h. * regmove.c (gen_add3_insn): Move to optabs.c, export from there, prototype in expr.h. * gencodes.c: Cleanup: zap global variables, don't use printf where puts will do, don't bother defining MAX_INSN_CODE which nothing uses, let CODE_FOR_nothing get its value implicitly. * genemit.c, genopinit.c: Include optabs.h in generated file. * genoutput.c: Include insn-codes.h in generated file. * builtins.c, caller-save.c, combine.c, doloop.c, explow.c, expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c, reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c, config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c, config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c, config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c: Include optabs.h. * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c, optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c, config/m88k/m88k.c, config/sparc/sparc.c: Include libfuncs.h. * reload.c: Include expr.h and optabs.h before reload.h. * config/alpha/alpha.c: Include tree.h before reload.h. * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h, and reload.h in that order. * config/sparc/sparc.c: Include debug.h. * recog.c: Include insn-codes.h. cp: * Make-lang.in (cp/except.o): Add libfuncs.h to dependencies. * except.c: Include libfuncs.h. java: * Make-lang.in (java/decl.o): Update dependencies. * decl.c: Include libfuncs.h, don't include toplev.h. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44858 138bc75d-0d04-0410-961f-82ee72b054a4
* * toplev.c (set_float_handler): Make static.zack2001-08-121-144/+187
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * toplev.h: Don't prototype set_float_handler. * simplify-rtx.c: Don't include setjmp.h. (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1): New functions. (simplify_unary_operation, simplify_binary_operation): Use them, via do_float_handler. * fold-const.c: Don't include setjmp.h. (exact_real_inverse_1): New function. (exact_real_inverse): Use it, via do_float_handler. * varasm.c: Don't include setjmp.h. (assemble_real_1): New function. (assemble_real): Use it, via do_float_handler. Call internal_error if we get a trap here. * c-parse.in, cse.c, cselib.c, ch/lex.c, config/i386/i386.c, config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h. * java/lex.h: Don't include setjmp.h. Don't define SET_FLOAT_HANDLER or prototype set_float_handler. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44815 138bc75d-0d04-0410-961f-82ee72b054a4
* * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,danglin2001-08-031-1/+1
| | | | | | | | | | | | | | | | | | | | simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h, config/convex/convex.h, config/d30v/d30v.c, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h, config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c, config/mips/mips.h, config/mn10200/mn10200.h, config/mn10300/mn10300.h, config/pdp11/pdp11.md, config/v850/v850.h, config/vax/openbsd.h, config/vax/openbsd1.h, config/vax/ultrix.h, config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h, config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h, cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX" in comments and documentation. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44589 138bc75d-0d04-0410-961f-82ee72b054a4
* * simplify-rtx.c (avoid_constant_pool_reference): Export.rth2001-07-261-2/+1
| | | | | | | | | * rtl.h (avoid_constant_pool_reference): Declare it. * dwarf2out.c (add_location_or_const_value_attribute): Use it. (add_const_value_attribute): Use add_AT_unsigned for unsigned values. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44411 138bc75d-0d04-0410-961f-82ee72b054a4
* * simplify-rtx.c (avoid_constant_pool_reference): Coercerth2001-07-241-4/+22
| | | | | | | the retrieved constant into the expected mode. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44321 138bc75d-0d04-0410-961f-82ee72b054a4
* * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.rth2001-07-191-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized pointer extension instruction. * combine.c (nonzero_bits,num_sign_bit_copies) Likewise. * simplify-rtx.c (simplify_unary_operation) Likewise. * explow.c (convert_memory_address) Check value of POINTERS_EXTEND_UNSIGNED to avoid some conversions when less than zero. * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support. * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES) Add Multilib Support. (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support. * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES) Add Multilib Support. (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32 support. * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4. * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle" a 32 bit HP-UX pointer into a 64 bit HP-UX pointer. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44166 138bc75d-0d04-0410-961f-82ee72b054a4
* 2001-07-19 Alexandre Oliva <aoliva@redhat.com>kazu2001-07-191-12/+29
| | | | | | | | * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from old and new operands in `<', `3' and `b'. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44164 138bc75d-0d04-0410-961f-82ee72b054a4
* * combine.c (combine_simplify_rtx): Attempt to simplifyhubicka2001-07-171-118/+160
| | | | | | | | | | | | | | a*(b/c) as (a*b)/c for floats in unsafe_math mode. * simplify-rtx.c (avoid_constatn_pool_reference): New static function. (simplify_binary_operation, simplify_unary_operation, simplify_relational_operation): Use it. * combine.c (combine_simplify_rtx): Don't do associative law on divisions; allow associative law on floats. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44073 138bc75d-0d04-0410-961f-82ee72b054a4
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