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2003-05-08builtins.c (readonly_data_expr): New function.Kaveh R. Ghazi1-4/+24
gcc: * builtins.c (readonly_data_expr): New function. (expand_builtin_memmove): Optimize any rodata source, not just strings. testsuite gcc.c-torture/execute/string-opt-19.c: Add general rodata tests. (bcopy): Call memmove. From-SVN: r66597
2003-05-06real.c (real_powi): New function to calculate the value of a real raised to ↵Roger Sayle1-3/+23
an integer power, i.e. * real.c (real_powi): New function to calculate the value of a real raised to an integer power, i.e. pow(x,n) for int n. (real_sqrt): Convert to using the faster do_add, do_multiply and do_divide API for consistency with the rest of real.c. * real.h (real_powi): Prototype here. * builtins.c (fold_builtin): Avoid local variable mode when evaluating sqrt at compile time. Attempt to evaluate pow at compile-time, by checking for an integral exponent. * gcc.dg/builtins-14.c: New test case. From-SVN: r66515
2003-05-05builtins.c (expand_builtin_stpcpy): Only expand when the length of the ↵Kaveh R. Ghazi1-3/+7
source string can be evaluated at compile-time. * builtins.c (expand_builtin_stpcpy): Only expand when the length of the source string can be evaluated at compile-time. From-SVN: r66503
2003-05-05builtins.c (expand_builtin_mempcpy): New function.Jakub Jelinek1-2/+60
* builtins.c (expand_builtin_mempcpy): New function. (expand_builtin_stpcpy): Optimize stpcpy whose return value is ignored into strcpy no matter what arguments it has. (expand_builtin) <case BUILT_IN_MEMPCPY>: Call expand_builtin_mempcpy. * gcc.c-torture/execute/string-opt-18.c (main): Add 3 new tests. From-SVN: r66498
2003-05-04builtins.c (expand_builtin_constant_p, [...]): Update prototypes.Kaveh R. Ghazi1-50/+32
* builtins.c (expand_builtin_constant_p, expand_builtin_strlen, expand_builtin_frame_address): Update prototypes. (expand_builtin_constant_p, expand_builtin_strlen, expand_builtin_strcpy, expand_builtin_memset, expand_builtin_bzero, expand_builtin_args_info, expand_builtin_frame_address): Pass in just the argument(s) needed, not the entire expression `exp'. (expand_builtin): Update all calls to these functions. From-SVN: r66448
2003-05-03builtins.c (expand_builtin): Remove.Richard Henderson1-2/+2
* builtins.c (expand_builtin) <BUILT_IN_DWARF_FP_REGNUM>: Remove. <BUILT_IN_DWARF_SP_COLUMN>: New. * builtins.def (BUILT_IN_DWARF_FP_REGNUM): Remove. (BUILT_IN_DWARF_SP_COLUMN): New. * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Remove. (expand_builtin_dwarf_sp_column): New. * except.h: Update to match. * unwind-dw2.c (execute_stack_op): Correct stack push typo. (execute_cfa_program): Record location expression address before extracting length. (uw_update_context_1): Install old CFA into stack pointer column. (uw_init_context_1): Set cfa_reg to stack pointer column. From-SVN: r66447
2003-05-03emit-rtl.c (last_call_insn, [...]): New functions.Olivier Hainque1-23/+4
* emit-rtl.c (last_call_insn, add_function_usage_to): New functions. * rtl.h (last_call_insn, add_function_usage_to): New prototypes. * builtins.c (expand_builtin_apply): Use the new emit-rtl functions. * calls.c (emit_call_1): Likewise. (expand_call): For calls initializing constant memory, replace emission of standalone mem /u clobber with function usage entry. * expr.c (emit_block_move_via_libcall): Likewise. * cse.c (count_reg_usage, case EXPR_LIST): New case. * flow.c (propagate_one_insn): Pass entire operand of CALL_INSN_FUNCTION_USAGE to mark_used_regs. * integrate.c (try_constants): For CALL_INSNs, substitute constants within the FUNCTION_USAGE also. * loop.c (prescan_loop): Note clobbers of const mem mentioned in FUNCTION_USAGE lists. * reload1.c (replace_pseudos_in): Renamed. (reload): Use it for clobbers surviving until the end of the reload. From-SVN: r66429
2003-05-03builtins.c (expand_builtin_stpcpy): Copy `arglist' before modifying it.Kaveh R. Ghazi1-2/+4
* builtins.c (expand_builtin_stpcpy): Copy `arglist' before modifying it. From-SVN: r66409
2003-04-28builtins.def (BUILT_IN_BCOPY, [...]): New.Jakub Jelinek1-0/+95
* builtins.def (BUILT_IN_BCOPY, BUILT_IN_MEMMOVE): New. * builtin-types.def (BT_FN_VOID_CONST_PTR_PTR_SIZE): New. * builtins.c (expand_builtin_memmove, expand_builtin_bcopy): New functions. (expand_builtin): Handle BUILT_IN_BCOPY and BUILT_IN_MEMMOVE. * gcc.c-torture/execute/string-opt-19.c: New test. From-SVN: r66169
2003-04-23re PR rtl-optimization/10339 ([sparc,ppc,ppc64] Invalid optimization: ↵Roger Sayle1-69/+159
replacing strncmp by memcmp) PR optimization/10339 * builtins.c (expand_builtin_strcmp): Try to emit cmpstrsi insn directly instead of unsafely transforming call into a memcmp. (expand_builtin_strncmp): Likewise. From-SVN: r65985
2003-04-20builtins.c (expand_builtin): Don't expand a pure or const built-in function ↵Roger Sayle1-0/+30
if... * builtins.c (expand_builtin): Don't expand a pure or const built-in function if the result will be ignored and none of its arguments are volatile. From-SVN: r65843
2003-04-14builtins.c (expand_builtin_strlen): Evaluate the lengths of string literals ↵Roger Sayle1-5/+9
at compile-time. * builtins.c (expand_builtin_strlen): Evaluate the lengths of string literals at compile-time. From-SVN: r65585
2003-04-14Fix formatting in last commit.Kaveh Ghazi1-3/+3
From-SVN: r65559
2003-04-13builtins.c (expand_builtin_memcpy): Add `endp' argument, use it.Kaveh R. Ghazi1-9/+69
gcc: * builtins.c (expand_builtin_memcpy): Add `endp' argument, use it. (expand_builtin_stpcpy): New. (expand_builtin): Add BUILT_IN_MEMPCPY & BUILT_IN_STPCPY. * builtins.def: Add mempcpy & stpcpy support. * doc/extend.texi (mempcpy, stpcpy): Document new builtins. testsuite: * gcc.c-torture/execute/string-opt-18.c: New test. From-SVN: r65551
2003-04-13tree.c (build_constructor): New function.Zack Weinberg1-19/+0
* tree.c (build_constructor): New function. * tree.h: Prototype it. * c-typeck.c (build_c_cast, pop_init_level) * profile.c (build_function_info_value, build_gcov_info_value) (create_profiler): Use build_constructor. * builtins.c (expand_builtin_args_info): Remove #if 0 blocks. * objc/objc-act.c (build_constructor): Rename objc_build_constructor. Use build_constructor. (build_objc_string_object, objc_add_static_instance) (init_def_list, init_objc_symtab, init_module_descriptor) (generate_static_references, build_selector_translation_table) (build_descriptor_table_initializer, generate_descriptor_table) (build_protocol_initializer, build_ivar_list_initializer) (generate_ivars_list, build_dispatch_table_initializer) (generate_dispatch_table, generate_protocol_list) (build_category_initializer, build_shared_structure_initializer): Update to match. ada: * gigi.h, utils2.c (build_constructor): Rename gnat_build_constructor. Use build_constructor. * decl.c (gnat_to_gnu_entity) * trans.c (tree_transform, pos_to_constructor, extract_values) * ada/utils.c (build_template, convert_to_fat_pointer, convert) (unchecked_convert) * ada/utils2.c (build_binary_op, build_call_raise, build_allocator) (fill_vms_descriptor): Update to match. cp: * class.c (initialize_array) * decl.c (reshape_init) * decl2.c (build_expr_from_tree) * init.c (build_zero_init) * pt.c (tsubst_copy, tsubst_copy_and_build) * rtti.c (tinfo_base_init, generic_initializer, ptr_initializer) (ptm_initializer, class_initializer, get_pseudo_ti_init) * semantics.c (finish_compound_literal) * typeck.c (build_ptrmemfunc1) * typeck2.c (store_init_value, process_init_constructor) (build_functional_cast): Use build_constructor. f: * com.c (ffecom_build_complex_constant_, ffecom_expr_) (ffecom_init_zero_, ffecom_transform_namelist_, ffecom_vardesc_) (ffecom_vardesc_array_, ffecom_vardesc_dims_, ffecom_2) * ste.c (ffeste_io_ialist_, ffeste_io_cilist_, ffeste_io_cllist_) (ffeste_io_icilist_, ffeste_io_inlist_, ffeste_io_olist_): Use build_constructor. java: * class.c (make_field_value, make_method_value, get_dispatch_table) (make_class_data, emit_offset_symbol_table) * constants.c (build_constants_constructor) * java-tree.h (START_RECORD_CONSTRUCTOR) * parse.y (maybe_build_array_element_wfl): Use build_constructor. From-SVN: r65539
2003-04-08builtins.c (fold_builtin): Constant fold expressions as x*0.5 instead of x/2.0.Roger Sayle1-8/+83
* builtins.c (fold_builtin): Constant fold expressions as x*0.5 instead of x/2.0. Optimize sqrt(pow(x,y)) as pow(x,y*0.5), log(pow(x,y)) as y*log(x), pow(exp(x),y) as exp(x*y), pow(sqrt(x),y) as pow(x,y*0.5) and pow(pow(x,y),z) as pow(x,y*z). Delete function scope "fcode" variable to avoid shadowing. * gcc.dg/builtins-9.c: New test case. * gcc.dg/builtins-10.c: New test case. From-SVN: r65386
2003-03-31emit-rtl.c (dconstm2, dconsthalf): New real constants.Roger Sayle1-7/+95
* emit-rtl.c (dconstm2, dconsthalf): New real constants. (init_emit_once): Initialize dconstm2 and dconsthalf here. * real.h (dconstm2, dconsthalf): Add prototypes here. * real.c (real_sqrt): Use dconsthalf rather than local copy. * builtins.c (fold_builtin): When optimizing sqrt(exp(x)) as exp(x/2.0) remember to fold the division if possible. Fold sin(0.0) as 0.0, cos(0.0) as 1.0, pow(x,1.0) as x, pow(x,-1.0) as 1.0/x, pow(x,2.0) as x*x, pow(x,-2.0) as 1.0/(x*x) and pow(x,0.5) as sqrt(x). * gcc.dg/builtins-3.c: Add new tests for sin and cos. * gcc.dg/builtins-7.c: New test case. * gcc.dg/builtins-8.c: New test case. From-SVN: r65088
2003-03-24builtins.c (expand_builtin_fputs): When optimizing for size, don't transform ↵Arpad Beszedes1-1/+5
fputs into fwrite. gcc: * builtins.c (expand_builtin_fputs): When optimizing for size, don't transform fputs into fwrite. testsuite: * gcc.c-torture/execute/stdio-opt-1.c: Adjust test for change to builtin fputs. From-SVN: r64771
2003-03-18builtins.c (expand_builtin_unop): New target_mode operand; use it to convert ↵Richard Henderson1-9/+17
the result to the correct mode. * builtins.c (expand_builtin_unop): New target_mode operand; use it to convert the result to the correct mode. (expand_builtin): Update all callers. From-SVN: r64545
2003-02-26builtins.c (purge_builtin_constant_p): Handle subreg of constant_p_rtx too.Alexandre Oliva1-2/+5
* builtins.c (purge_builtin_constant_p): Handle subreg of constant_p_rtx too. From-SVN: r63490
2003-02-22fold-const.c (omit_one_operand): No longer static.Roger Sayle1-14/+53
* fold-const.c (omit_one_operand): No longer static. * tree.h (omit_one_operand): Prototype here. (div_and_round_double): Keep fold-const.c prototypes together. * builtins.c (builtin_mathfn_code): Handle binary built-in funtions, such as "pow" and "atan2". (fold_builtin): Optimize both pow(x,0.0) and pow(1.0,y) to 1.0. Simplify optimizations using "type" the builtin's return type. * gcc.dg/builtins-5.c: New test case. From-SVN: r63273
2003-02-22i386.c (builtin_description): Add __builtin_ia32_paddq and __builtin_ia32_psubq.Jan Hubicka1-1/+1
* i386.c (builtin_description): Add __builtin_ia32_paddq and __builtin_ia32_psubq. Fix __builtin_ia32_paddq128 and __builtin_ia32_psubq128. * i386.h (IX86_BUILTIN_PADDQ, IX86_BUILTIN_PSUBQ): New. * i386.md (addv*, mmx_ior*, mmx_xoe*, mmx_and*): Add missing '%'. (mmx_adddi3, mmx_subdi3): New. * mmintrin.h (_mm_add_si64, _mm_sub_si64): New. * xmmintrin.h (_mm_movepi64_pi64): New. (_mm_add_epi64, _mm_sub_epi64): fix. (_mm_mul_pu16): Rename to... (_mm_mul_su32): ... this one. * builtins.c (expand_builtin_expect): Do not predict flag_guess_branch_prob is not set. * c-semantics.c (expand_stmt): Likewise. * predict.c (predict_insn): Likewise. * stmt.c (expand_continue_loop): Likewise. * toplev.c (rest_of_compilation): Do not call note_prediction_to_br_prob and note_prediction_to_br_prob when not optimizing. From-SVN: r63263
2003-02-21re PR rtl-optimization/8613 (-O2 optimization generates wrong code)Glen Nakamura1-0/+3
PR optimization/8613 * builtins.c (expand_builtin): Emit postincrements before expanding builtin functions. From-SVN: r63207
2003-02-11* builtins.c: Fix failures caused by commit of the wrong patch.Roger Sayle1-3/+5
From-SVN: r62727
2003-02-11optabs.h (enum optab_index): Add new OTI_pow and OTI_atan2.Roger Sayle1-26/+149
* optabs.h (enum optab_index): Add new OTI_pow and OTI_atan2. (pow_optab, atan2_optab): Define corresponding macros. * optabs.c (init_optabs): Initialize pow_optab and atan2_optab. * genopinit.c (optabs): Implement pow_optab and atan2_optab using pow?f3 and atan2?f3 patterns. * builtins.c (expand_errno_check): New function to update errno if necessary, split out from expand_builtin_mathfn. (expand_builtin_mathfn): Use expand_errno_check. (expand_builtin_mathfn_2): New function to handle expanding binary math functions, reusing the code in expand_errno_check. (expand_builtin): Handle the pow and atan2 math built-ins, BUILT_IN_{POW,POWF,POWL,ATAN2,ATAN2F,ATAN2L} via the new function expand_builtin_mathfn_2. * doc/md.texi: Document new pow?f3 and atan2?f3 patterns. From-SVN: r62708
2003-02-07builtin-types.def (BT_FN_FLOAT_FLOAT_FLOAT): New built-in type.Roger Sayle1-0/+24
* builtin-types.def (BT_FN_FLOAT_FLOAT_FLOAT): New built-in type. (BT_FN_LONG_DOUBLE_LONG_DOUBLE_LONG_DOUBLE): Likewise. (BT_FN_DOUBLE_DOUBLE_DOUBLE): Likewise. * builtins.def: Define pow, powf, powl, atan2, atan2f and atan2l builtin functions (and their __builtin_* variants). * builtins.c (mathfn_built_in): Handle missing log{,f,l} cases. (expand_builtin): Don't expand log{,f,l}, pow{,f,l} or atan2{,f,l} when not optimizing. * doc/extend.texi: Document new pow and atan2 builtins, and their float and long double variants. Realphabetize builtins. * testsuite/gcc.dg/builtins-4.c: New test case. From-SVN: r62551
2003-02-01[multiple changes]Richard Henderson1-6/+42
2003-02-01 Richard Henderson <rth@redhat.com> * optabs.c (expand_unop): Use word_mode for outmode of bit scaners. * libgcc2.c (__ffsdi2, __clzsi2, __clzdi2, __ctzsi2, __ctzdi2, __popcountsi2, __popcountdi2, __paritysi2 __paritydi2): Change return type to Wtype. * libgcc-std.ver (GCC_3.4): Fix inheritance. * config/i386/i386.md (ffssi2): Use nonimmediate_operand for expander input constraint. 2003-02-01 Falk Hueffner <falk.hueffner@student.uni-tuebingen.de> * optabs.h (optab_index): Add OTI_clz, OTI_ctz, OTI_popcount and OTI_parity. (clz_optab, ctz_optab, popcount_optab, parity_optab): New. * optabs.c (widen_clz, expand_parity): New. (expand_unop): Handle clz and parity. Hardcode SImode as outmode for libcalls to clz, ctz, popcount, and parity. (init_optabs): Init clz_optab, ctz_optab, popcount_optab and parity_optab, and set up libfunc handlers. * libgcc2.c (__clzsi2, __clzdi2, __ctzsi2, __ctzdi2, __popcountsi2, __popcountdi2, __paritysi2 __paritydi2, __popcount_tab): New. * libgcc2.h: Declare them. * libgcc-std.ver (GCC_3.4): Add new functions from libgcc2.c. * genopinit.c (optabs): Add clz_optab, ctz_optab, popcount_optab and parity_optab. * builtin-types.def (BT_FN_INT_LONG, BT_FN_INT_LONGLONG): New. * builtins.def (BUILT_IN_CLZ, BUILT_IN_CTZ, BUILT_IN_POPCOUNT, BUILT_IN_PARITY, BUILT_IN_FFSL, BUILT_IN_CLZL, BUILT_IN_CTZL, BUILT_IN_POPCOUNTL, BUILT_IN_PARITYL, BUILT_IN_FFSLL, BUILT_IN_CLZLL, BUILT_IN_CTZLL, BUILT_IN_POPCOUNTLL, BUILT_IN_PARITYLL): New. * builtins.c (expand_builtin_unop): Rename from expand_builtin_ffs and add optab argument. (expand_builtin): Expand BUILT_IN_{FFS,CLZ,POPCOUNT,PARITY}*. * tree.def (CLZ_EXPR, CTZ_EXPR, POPCOUNT_EXPR, PARITY_EXPR): New. * expr.c (expand_expr): Handle them. * fold-const.c (tree_expr_nonnegative_p): Likewise. * rtl.def (CLZ, CTZ, POPCOUNT, PARITY): New. * reload1.c (eliminate_regs): Handle them. (elimination_effects): Likewise. * function.c (instantiate_virtual_regs_1): Likewise * genattrtab.c (check_attr_value): Likewise. * simplify-rtx.c (simplify_unary_operation): Likewise. * c-common.c (c_common_truthvalue_conversion): Handle POPCOUNT_EXPR. * combine.c (combine_simplify_rtx): Handle POPCOUNT and PARITY. (nonzero_bits): Handle CLZ, CTZ, POPCOUNT and PARITY. * config/alpha/alpha.md (clzdi2, ctzdi2, popcountdi2): New. * config/arm/arm.c (arm_init_builtins): Rename __builtin_clz to __builtin_arm_clz. * Makefile.in (LIB2FUNCS_1, LIB2FUNCS_2): Move... * mklibgcc.in (lib2funcs): ...here and merge. Add new members. * doc/extend.texi (Other Builtins): Add new builtins. * doc/md.texi (Standard Names): Add new patterns. From-SVN: r62252
2003-01-25builtins.c (purge_builtin_constant_p): Scan insn stream sequentially rather ↵Roger Sayle1-19/+13
than by basic block. * builtins.c (purge_builtin_constant_p): Scan insn stream sequentially rather than by basic block. * function.c (purge_addressof): Simplify test with INSN_P. From-SVN: r61789
2003-01-25function.h (struct function): New field calls_constant_p.Roger Sayle1-0/+2
* function.h (struct function): New field calls_constant_p. (current_function_calls_constant_p): New macro for above. * function.c (prepare_function_start): Initialize calls_eh_return and calls_constant_p. * builtins.c (expand_builtin_constant_p): Set calls_constant_p. * toplev.c (rest_of_compilation): Only call purge_builtin_constant_p when the current_function_calls_constant_p. * integrate.c (expand_inline_function): Set calls_constant_p if the function being inlined has calls_constant_p set. From-SVN: r61786
2003-01-25builtins.c (fold_trunc_transparent_mathfn): New function.Jan Hubicka1-0/+48
* builtins.c (fold_trunc_transparent_mathfn): New function. (fold_builtin): Use it. * convert.c (convert_to_real): Re-enable code to convert math functions; add support for floor familly functions. From-SVN: r61764
2003-01-25* builtins.c (fold_trunc_transparent_mathfn): Undo accidental commit.Jan Hubicka1-1/+0
From-SVN: r61761
2003-01-24builtins.c (DEF_BUILTIN): Accept 10 arguments.Jan Hubicka1-14/+183
* builtins.c (DEF_BUILTIN): Accept 10 arguments. (implicit_built_in_decls): New global array. (mathfn_built_in): New global function. (fold_trunc_transparent_mathfn): New static function (expand_builtin_strstr, expand_bultin_strchr, expand_builtin_strpbrk, expand_builtin_strcpy, expand_builtin_strncpy, expand_bultin_strcmp, expand_bultin_strncat, expand_builtin_fputs): Use implicint_built_in_decls. (fold_builtin): Fold floor/trunc/round/ceil/nearbyint. * builtins.def: Fix comments. (DEF_GCC_BUILTIN, DEF_FALLBACK_BUILTIN, DEF_EXT_FALLBACK_BUILTIN, DEF_LIB_BUILTIN, DEF_LIB_ALWAYS_BUILTIN, DEF_EXT_LIB_BUILTIN, DEF_C99_BULTIN, DEF_FRONT_END_LIB_BUILTIN, DEF_EXT_FRONT_END_LIB_BUILTIN): Pass implicit as needed. (DEF_C99_C90RES_BULTIN): New. (*f, *l builtins): Update. * c-common.c (DEF_BUILTIN): Initialize implicit array. (c_expand_builtin_printf, c_expand_builtin_fprintf): Update. * convert.c (strip_float_extensions): New global function. * tree.h (DEF_BUILTIN): Accept 10 arguments. (implicit_built_in_decls, mathfn_built_in, strip_float_extension): Declare. * java/builtins.c (define_builtin): Handle implicit. (DEF_BUILTIN): Update. * tm.texi (TARGET_C99_FUNCTIONS): Document. * defaults.h (TARGET_C99_FUNCTIONS): Default to 0. * config/linux.h (TARGET_C99_FUNCTIONS): Default to 1 when using glibc2. From-SVN: r61738
2003-01-23re PR rtl-optimization/8423 (CSE1 not propagating __builtin_constant_p enough)Roger Sayle1-2/+31
PR optimization/8423 * cse.c (fold_rtx): Only eliminate a CONSTANT_P_RTX to 1 when its argument is constant, or 0 if !flag_gcse. * simplify-rtx.c (simplify_rtx): Convert CONSTANT_P_RTX to 1 if it's argument is constant. * gcse.c (want_to_gcse_p): Ignore CONSTANT_P_RTX nodes. (hash_scan_set): Don't record CONSTANT_P_RTX expressions. (do_local_cprop): Don't propagate CONSTANT_P_RTX constants. * builtins.c (purge_builtin_constant_p): New function to force instantiation of any remaining CONSTANT_P_RTX nodes. * rtl.h (purge_builtin_constant_p): Prototype here. * toplev.c (rest_of_compilation): Invoke purge_builtin_constant_p pass after GCSE and before loop. (flag_gcse): No longer static. * flags.h (flag_gcse): Prototype here. From-SVN: r61642
2003-01-15real.c (real_sqrt): Return a bool result indicating whether a floating point ↵Roger Sayle1-6/+4
exception or trap... * real.c (real_sqrt): Return a bool result indicating whether a floating point exception or trap should be raised. * real.h (real_sqrt): Update function prototype. * builtins.c (fold_builtin): Only fold non-trapping square roots unless we're ignoring errno and trapping math. From-SVN: r61337
2002-12-16Merge basic-improvements-branch to trunkZack Weinberg1-3/+185
From-SVN: r60174
2002-12-01re PR c++/8332 (strlen/template interaction causes ICE)Mark Mitchell1-2/+7
PR c++/8332 PR c++/8493 * decl.c (cxx_init_decl_processing): Use size_type_node, not c_size_type_node. * decl2.c (coerce_new_type): Likewise. * except.c (do_allocate_exception): Likewise. * builtin-types.def (BT_SIZE): Use size_type_node. * builtins.c (fold_builtin): Make the builtin strlen returns a size_t, not a sizetype. * c-common.c (c_sizeof_or_alignof_type): Use size_type_node, not c_size_type_node. (c_alignof_expr): Likewise. (c_common_nodes_and_builtins): Likewise. * c-common.h (CTI_C_SIZE_TYPE): Remove. (c_size_type_node): Likewise. * c-format.c (T_ST): Use size_type_node, not c_size_type_node. * tree.h (TI_SIZE_TYPE): New enumeral. (size_type_node): Likewise. PR c++/8332 PR c++/8493 * g++.dg/template/strlen1.C: New test. From-SVN: r59689
2002-11-17* builtins.c: Fix formatting.Kazu Hirata1-38/+41
From-SVN: r59194
2002-09-16builtin-types.def (BT_FN_FLOAT_CONST_STRING): New.Richard Henderson1-0/+33
gcc/ * builtin-types.def (BT_FN_FLOAT_CONST_STRING): New. (BT_FN_DOUBLE_CONST_STRING, BT_FN_LONG_DOUBLE_CONST_STRING): New. * builtins.def (__builtin_nan, __builtin_nanf, __builtin_nanl): New. (__builtin_nans, __builtin_nansf, __builtin_nansl): New. * builtins.c (fold_builtin_nan): New. (fold_builtin): Call it. * real.c (real_nan): Parse a non-empty string. (round_for_format): Fix NaN significand truncation. * real.h (real_nan): Return bool. * doc/extend.texi: Document new builtins. libstdc++/ * include/std/std_limits.h (__glibcpp_f32_QNaN_bytes, __glibcpp_f32_has_QNaN, __glibcpp_f32_SNaN_bytes, __glibcpp_f32_has_SNaN, __glibcpp_f64_QNaN_bytes, __glibcpp_f64_has_QNaN, __glibcpp_f64_SNaN_bytes, __glibcpp_f64_has_SNaN, __glibcpp_f80_QNaN_bytes, __glibcpp_f80_has_QNaN, __glibcpp_f80_SNaN_bytes, __glibcpp_f80_has_SNaN, __glibcpp_f96_QNaN_bytes, __glibcpp_f96_has_QNaN, __glibcpp_f96_SNaN_bytes, __glibcpp_f96_has_SNaN, __glibcpp_f128_QNaN_bytes, __glibcpp_f128_has_QNaN, __glibcpp_f128_SNaN_bytes, __glibcpp_f128_has_SNaN, __glibcpp_float_QNaN_bytes, __glibcpp_float_has_QNaN, __glibcpp_float_SNaN_bytes, __glibcpp_float_has_SNaN, __glibcpp_double_QNaN_bytes, __glibcpp_double_has_QNaN, __glibcpp_double_SNaN_bytes, __glibcpp_double_has_SNaN, __glibcpp_long_double_QNaN_bytes, __glibcpp_long_double_has_QNaN, __glibcpp_long_double_SNaN_bytes, __glibcpp_long_double_has_SNaN): Remove. (__glibcpp_f128_is_iec559): True if IEEE. (__glibcpp_float_QNaN, __glibcpp_float_SNaN): Remove. (__glibcpp_double_QNaN, __glibcpp_double_SNaN): Remove. (__glibcpp_long_double_QNaN, __glibcpp_long_double_SNaN): Remove. (std::numeric_limits<float>::has_quiet_NaN): Use __builtin_nanf. (std::numeric_limits<float>::has_signaling_NaN): Mirror has_quiet_NaN. (std::numeric_limits<float>::quiet_NaN): Use __builtin_nanf. (std::numeric_limits<float>::signaling_NaN): Use __builtin_nansf. (std::numeric_limits<double>): Similarly. (std::numeric_limits<long double>): Similarly. * src/limits.cc (__glibcpp_float_QNaN, __glibcpp_float_SNaN): Remove. (__glibcpp_double_QNaN, __glibcpp_double_SNaN): Remove. (__glibcpp_long_double_QNaN, __glibcpp_long_double_SNaN): Remove. * testsuite/18_support/numeric_limits.cc (test_infinity): New. (test_denorm_min, test_qnan, test_is_iec559): New. From-SVN: r57221
2002-09-16real.c, real.h: Rewrite from scratch.Richard Henderson1-1/+4
gcc/ * real.c, real.h: Rewrite from scratch. * Makefile.in (simplify-rtx.o): Depend on TREE_H. (paranoia): New target. * builtins.c (fold_builtin_inf): Use new real.h interface. * c-common.c (builtin_define_with_hex_fp_value): Likewise. * c-lex.c (interpret_float): Likewise. * emit-rtl.c (gen_lowpart_common): Likewise. * optabs.c (expand_float): Use real_2expN. * config/ia64/ia64.md (divsi3, udivsi3): Likewise. * defaults.h (INTEL_EXTENDED_IEEE_FORMAT): New. (FLOAT_WORDS_BIG_ENDIAN): New. * cse.c (find_comparison_args): Don't pass FLOAT_STORE_FLAG_VALUE directly to REAL_VALUE_NEGATIVE. * loop.c (canonicalize_condition): Likewise. * simplify-rtx.c: Include tree.h. (simplify_unary_operation): Don't handle FIX and UNSIGNED_FIX with floating-point result modes. * toplev.c (backend_init): Call init_real_once. * fold-const.c (force_fit_type): Don't call CHECK_FLOAT_VALUE. * tree.c (build_real): Likewise. * config/alpha/alpha.c, config/vax/vax.c (float_strings, float_values, inited_float_values, check_float_value): Remove. * config/alpha/alpha.h, config/m68hc11/m68hc11.h, config/m88k/m88k.h, config/vax/vax.h (CHECK_FLOAT_VALUE): Remove. * doc/tm.texi (CHECK_FLOAT_VALUE): Remove. gcc/f/ * target.c (ffetarget_real1): Don't pass FFETARGET_ATOF_ directly to ffetarget_make_real1. (ffetarget_real2): Similarly. * target.h (ffetarget_cvt_r1_to_rv_, ffetarget_cvt_rv_to_r2_, ffetarget_cvt_r2_to_rv_): Use new real.h interface and simplify. gcc/java/ * jcf-parse.c (get_constant): Runtime check for IEEE format; use new real.h interface. * jcf-write.c (find_constant_index): Use new real.h interface. * lex.c (IS_ZERO): Use REAL_VALUES_EQUAL. contrib/ * paranoia.cc: New file. From-SVN: r57198
2002-09-04builtin-types.def (BT_FN_FLOAT): New.Richard Henderson1-0/+24
* builtin-types.def (BT_FN_FLOAT): New. (BT_FN_DOUBLE, BT_FN_LONG_DOUBLE): New. * builtins.def (BUILT_IN_INF, BUILT_IN_INFF, BUILT_IN_INFL, BUILT_IN_HUGE_VAL, BUILT_IN_HUGE_VALF, BUILT_IN_HUGE_VALL): New. * builtins.c (fold_builtin_inf): New. (fold_builtin): Call it. * real.c (ereal_inf): New. * real.h: Declare it. * doc/extend.texi: Document new builtins. From-SVN: r56820
2002-08-29expr.h (enum block_op_methods): New.Richard Henderson1-3/+4
* expr.h (enum block_op_methods): New. (emit_block_move): Update prototype. * expr.c (block_move_libcall_safe_for_call_parm): New. (emit_block_move_via_loop): New. (emit_block_move): Use them. New argument METHOD. (emit_push_insn): Always respect the given alignment. (expand_assignment): Update call to emit_block_move. (store_expr, store_field, expand_expr): Likewise. * builtins.c (expand_builtin_apply): Likewise. (expand_builtin_memcpy, expand_builtin_va_copy): Likewise. * function.c (expand_function_end): Likewise. * config/sh/sh.c (sh_initialize_trampoline): Likewise. * config/sparc/sparc.c (sparc_va_arg): Likewise. * calls.c (expand_call, emit_library_call_value_1): Likewise. (save_fixed_argument_area): Use emit_block_move with BLOCK_OP_CALL_PARM instead of move_by_pieces. (restore_fixed_argument_area): Likewise. (store_one_arg): Fix alignment parameter to emit_push_insn. From-SVN: r56661
2002-08-05Index: ChangeLogGeoffrey Keating1-1/+0
2002-08-05 Geoffrey Keating <geoffk@redhat.com> * attribs.c: Don't include obstack.h. * builtins.c: Likewise. * cfganal.c: Likewise. * cfgbuild.c: Likewise. * cfgcleanup.c: Likewise. * emit-rtl.c: Likewise. * loop.c: Likewise. * stmt.c: Likewise. Index: cp/ChangeLog 2002-08-05 Geoffrey Keating <geoffk@redhat.com> * class.c: Don't include obstack.h. (popclass): * decl2.c: Delete bogus comment. * error.c: Don't include obstack.h. * except.c: Likewise. (dump_type): Correct comment. * method.c: Don't include obstack.h. * tree.c: Likewise. Index: java/ChangeLog 2002-08-05 Geoffrey Keating <geoffk@redhat.com> * mangle_name.c: Don't include obstack.h twice. * xref.c: Don't include obstack.h. From-SVN: r56055
2002-08-03builtins.def: Define new builtin functions exp...Roger Sayle1-3/+24
* builtins.def: Define new builtin functions exp, expf, expl, log, logf and logl (and their __builtin_* variants). * optabs.h (enum optab_index): Add new OTI_exp and OTI_log. Define exp_optab and log_optab. * optabs.c (init_optans): Initialize exp_optab and log_optab. * genopinit.c (optabs): Implement exp_optab and log_optab using exp?f2 and log?f2 patterns. * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_EXP* and BUILT_IN_LOG* using exp_optab and log_optab respectively. (expand_builtin): Ignore the new builtins (and all cos and sin variants) when not optimizing. Expand new builtins via expand_builtin_mathfn when flag_unsafe_math_optimizations. * doc/extend.texi: Document new exp and log builtins. * doc/md.texi: Document new exp?f2 and log?f2 patterns (and previously undocumented cos?f2 and sin?f2 patterns). From-SVN: r56010
2002-07-30builtins.c (expand_builtin): Change the default behavior to only issue an ↵Roger Sayle1-15/+4
error if... * builtins.c (expand_builtin): Change the default behavior to only issue an error if the builtin function doesn't have a fallback library call. Remove several cases handled by the new default. From-SVN: r55860
2002-07-23explow.c (convert_memory_address): Fix conversion of CONSTs.Steve Ellcey1-6/+38
* gcc/explow.c (convert_memory_address): Fix conversion of CONSTs. Fix permutation of conversion and plus/mult. * gcc/builtins.c (expand_builtin_memcpy) Ensure return pointer is ptr_mode and not Pmode when POINTERS_EXTEND_UNSIGNED is defined. (expand_builtin_strncpy) Ditto. (expand_builtin_memset) Ditto. From-SVN: r55679
2002-07-16builtins.c (std_expand_builtin_va_start): Remove unused first argument.Zack Weinberg1-4/+3
* builtins.c (std_expand_builtin_va_start): Remove unused first argument. (expand_builtin_va_start): Call EXPAND_BUILTIN_VA_START and std_expand_builtin_va_start with just two arguments. * expr.h: Update prototypes. * alpha-protos.h, alpha.h, alpha.c, arc-protos.h, arc.h, arc.c, d30v-protos.h, d30v.h, d30v.c, i386-protos.h, i386.h, i386.c, i960-protos.h, i960.h, i960.c, m88k-protos.h, m88k.h, m88k.c, mips-protos.h, mips.h, mips.c, mn10300-protos.h, mn10300.h, mn10300.c, pa-protos.h, pa.h, pa.c, rs6000-protos.h, rs6000.h, rs6000.c, s390-protos.h, s390.h, s390.c, sh-protos.h, sh.h, sh.c, sparc-protos.h, sparc.h, sparc.c, stormy16-protos.h, stormy16.h, stormy16.c, xtensa-protos.h, xtensa.h, xtensa.c: Remove unused first argument from all implementations of EXPAND_BUILTIN_VA_START and all uses of std_expand_builtin_va_start. From-SVN: r55495
2002-07-16varargs.h: Replace with stub which issues #error.Zack Weinberg1-33/+15
* ginclude/varargs.h: Replace with stub which issues #error. * ginclude/stdarg.h: __builtin_stdarg_start is renamed __builtin_va_start. * builtins.def (BUILT_IN_VARARGS_START): Delete. (BUILT_IN_VA_START): New. * builtins.c (expand_builtin_va_start): Eliminate first argument and code to implement pre-ISO varargs. (std_expand_builtin_va_start): Ignore first argument; it is always 1. (expand_builtin): Handle BUILT_IN_VA_START and BUILT_IN_STDARG_START identically. Delete BUILT_IN_VARARGS_START case. * function.c (assign_parms): Delete hide_last_arg and all its uses. (mark_varargs): Delete function. * function.h (struct function): Delete 'varargs' bit. (current_function_varargs): Delete macro. * tree.h: Don't declare mark_varargs. * c-decl.c (c_function_varargs, c_mark_varargs): Delete. (c_expand_body): Don't call mark_varargs. * c-objc-common.c: Handle BUILT_IN_VA_START and BUILT_IN_STDARG_START identically. Delete BUILT_IN_VARARGS_START case. * c-tree.h: Don't declare c_mark_varargs. * c-parse.in: Remove grammar rules for '&...' (which has been commented out since before 2.7.2) and for '...' in K+R argument declarations. * builtins.c, function.c, integrate.c, sibcall.c, config/alpha/unicosmk.h, config/arc/arc.c, config/arc/arc.h, config/avr/avr.c, config/cris/cris.c, config/fr30/fr30.c, config/i960/i960.c, config/i960/i960.md, config/m32r/m32r.c, config/m32r/m32r.h, config/m88k/m88k.c, config/m88k/m88k.h, config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.h, config/mn10300/mn10300.c, config/pa/som.h, config/s390/s390.c, config/sh/sh.c, config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.c: Delete all references to current_function_varargs, and code predicated on that flag. * config/alpha/alpha.c (alpha_va_start), config/arc/arc.c (arc_va_start), config/i386/i386.c (ix86_va_start), config/mips/mips.c (mips_va_start), config/mn10300/mn10300.c (mn10300_va_start), config/rs6000/rs6000.c (rs6000_va_start), config/s390/s390.c (s390_va_start), config/sh/sh.c (sh_va_start), Ignore first argument; it is always 1. * config/c4x/c4x-protos.h, config/c4x/c4x.c: Delete c4x_va_start. * config/ia64/ia64-protos.h, config/ia64/ia64.c: Delete ia64_va_start. * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c: Delete m68hc11_va_start. * config/c4x/c4x.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h: No need to define EXPAND_BUILTIN_VA_START. * doc/invoke.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi: Remove references to GCC-provided <varargs.h>. testsuite: * c-torture/execute/991216-3.c, c-torture/execute/strct-varg-1.c, c-torture/execute/va-arg-7.c, c-torture/execute/va-arg-8.c, c-torture/execute/va-arg-15.c, c-torture/execute/va-arg-16.c, c-torture/execute/va-arg-17.c, c-torture/execute/va-arg-19.c: Convert to use <stdarg.h>. * c-torture/execute/va-arg-3.c, c-torture/execute/va-arg-3.x: Delete. * gcc.dg/va-arg-2.c: New. * lib/gcc.exp, lib/objc.exp: Remove code to set -DNO_VARARGS. From-SVN: r55472
2002-07-06re PR c++/7099 (G++ doesn't set the noreturn attribute on std::exit and ↵Roger Sayle1-1/+1
std::abort) PR c++/7099 * builtin-attrs.def: Define new attribute lists for use in builtins.def. * builtins.def [DEF_BUILTIN]: Modify to take an additional ATTRS argument, an enumerated value defined in builtin-attrs.def that represents the attribute list for the builtins. Modify all builtin functions to pass an appropriate attribute list. Specify "abort", "exit", "_exit" and "_Exit" builtins here with their required noreturn attributes. * tree.h (enum_builtin_function): Ignore the additional parameter to DEF_BUILTIN. * builtins.c (built_in_names): Likewise. * c-common.c: (builtin_function_2): Replace the "int noreturn_p" argument with a tree representing the functions attribute list. Pass this "attrs" argument to builtin_function. No longer handle the noreturn_p processing manually. (built_in_attributes): Move the definitions from builtin-attrs.def before c_common_nodes_and_builtins. (c_common_nodes_and_builtins): Handle the new ATTRS parameter in DEF_BUILTIN, passing it to both builtin_function and the changed builtin_function_2. * doc/extend.texi: Document __builtin_abort, __builtin_exit, __builtin__exit and __builtin__Exit. * java/builtins.c (initialize_builtins): Ignore the additional parameter to DEF_BUILTIN. Handle more C/C++ specific junk in the builtins.def file. From-SVN: r55276
2002-06-11Delete SEQUENCE rtl usage outside of reorg and ssa passes.David S. Miller1-17/+21
2002-06-05 David S. Miller <davem@redhat.com> Delete SEQUENCE rtl usage outside of reorg and ssa passes. * rtl.h (gen_sequence, emit_insns, emit_insns_before, emit_insns_before_scope, emit_insns_after, emit_insns_after_scope): Delete declaration. * ada/misc.c (insert_code_for): Use emit_insn* instead of emit_insns_foo. * config/alpha/alpha.c (alpha_set_memflags_1): Abort on SEQUENCE. (alpha_set_memflags): Fix comment. (set_frame_related_p): Use get_insns instead of gen_sequence. * config/alpha/alpha.md (setjmp receiver splitter): Avoid emitting no insns. * config/arm/arm.c (arm_finalize_pic): Use get_insns instead of gen_sequence. (arm_gen_load_multiple, arm_gen_store_multiple): Likewise. * config/fr30/fr30.c (fr30_move_double): Likewise. * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_movstr): Likewise. * config/ia64/ia64.c (spill_restore_mem): Likewise. * config/ia64/ia64.md (conditional move spliiter): Avoid emitting no insns. * config/m32r/m32r.c (gen_split_move_double): Use get_insns instead of gen_sequence. * config/mips/mips.c (embedded_pic_fnaddr_reg): Likewise. (mips_expand_prologue, mips16_gp_pseudo_reg): Likewise. * config/sh/sh.c (sh_need_epilogue): Likewise. * config/sparc/sparc.md (current_function_calls_alloca, flat): New attributes. (setjmp pattern and split): Use them to avoid splitter which emits no RTL. * genattrtab.c (main): Emit include of function.h * config/stormy16/stormy16.c (xstormy16_split_cbranch): Use get_insns instead of gen_sequence. * config/cris/cris.c (cris_split_movdx): Likewise. * emit-rtl.c (emit_insns*): Kill. (try_split): Expect insn list instead of SEQUENCE. (make_jump_insn_raw, make_call_insn_raw): Fix comments. (emit_*insn*): Reimplement to work with INSN lists and PATTERNs. Make them abort if a SEQUENCE is given and RTL checking is enabled. (emit_*_scope): Don't forget to set scope on final insn. (gen_sequence): Move from here... * ssa.c (gen_sequence): To here as private function. * builtins.c (expand_builtin_apply_args): Use emit_insn_foo, fix comments. (expand_builtin_return, expand_builtin_mathfn): Likewise. (expand_builtin_strlen): Use get_insns instead of gen_sequence. (expand_builtin_saveregs): Use emit_insn_foo, fix comments. (expand_builtin_expect_jump): Use get_insns and fix comments. * calls.c (try_to_integrate): Use emit_insn_foo. (expand_call, emit_library_call_value_1): Likewise. * expr.c (emit_queue): Handle insn lists instead of SEQUENCE. (emit_move_insn_1): Use get_insns instead of gen_sequence. (expand_expr): Use emit_insn_foo. * cfgrtl.c (commit_one_edge_insertion): Use emit_insn_foo. * except.c (build_post_landing_pads): Likewise. * flow.c (attempt_auto_inc): Likewise. * stmt.c (expand_fixup, fixup_gotos, expand_nl_handler_label, expand_nl_goto_receivers, expand_decl_cleanup): Likewise. * function.c (fixup_var_refs_insn): Use get_insns instead of gen_sequence. (fixup_var_refs_1): Likewise and expect insn list from gen_foo. (fixup_memory_subreg): Use get_insns instead of gen_sequence. (fixup_stack_1, purge_addressof_1, expand_main_function, get_arg_pointer_save_area): Likewise. (optimize_bit_field, instantiate_virtual_regs_1, assign_parms, expand_function_end): Use emit_insn_foo. (record_insns, keep_stack_depressed): Work with insn list instead of SEQUENCE, fix comments. * ifcvt.c (noce_emit_store_flag, noce_try_store_flag, noce_try_store_flag_constants, noce_try_store_flag_inc, noce_try_store_flag_mask, noce_emit_cmove, noce_try_cmove_arith, noce_try_minmax, noce_try_abs): Use emit_insn_foo. (noce_process_if_block): Use get_insns instead of gen_sequence. * optabs.c (add_equal_note): Work with insn list, fix comments. (expand_binop): Expect insn list from GEN_FCN(), use emit_insn_foo. (expand_unop, expand_complex_abs, expand_unop_insn, expand_no_conflict_block): Likewise. (gen_move_insn): Use get_insns instead of gen_sequence. (gen_cond_trap): Likewise. * integrate.c (copy_rtx_and_substitute): Likewise. (emit_initial_value_sets): Use emit_insn_foo. * reload1.c (emit_output_reload_insns, emit_reload_insns): Likewise. (fixup_abnormal_edges): Avoid losing REG_NOTES more intelligently now that RTL generators give insn lists. * sibcall.c (replace_call_placeholder): Use emit_insn_foo. * doloop.c (doloop_modify, doloop_modify_runtime): Use get_insns instead of gen_sequence. (doloop_optimize): Work with insn lists instead of SEQUENCE rtl. * explow.c (emit_stack_save, emit_stack_restore): Use get_insns instead of gen_sequence. * loop.c (move_movables, emit_prefetch_instructions, gen_add_mult, check_dbra_loop, gen_load_of_final_value): Likewise. (loop_regs_update): Work with insn list instead of SEQUENCE rtl. (product_cheap_p): Likewise, and add commentary about RTL wastage here. * lcm.c (optimize_mode_switching): Use get_insns instead of gen_sequence. * profile.c (gen_edge_profiler): Likewise. * regmove.c (copy_src_to_dest): Likewise. * reg-stack.c (compensate_edge): Likewise and fix comment. * gcse.c (process_insert_insn): Likewise. (insert_insn_end_bb): Work with insn list instead of SEQUENCE rtl. * jump.c (delete_prior_computation): Update comment. * genemit.c (gen_expand, gen_split, main): Use get_insns instead of gen_sequence, update comments to match. * recog.c (peephole2_optimize): Work with insn lists instead of SEQUENCE rtl. * sched-vis.c (print_pattern): Abort on SEQUENCE. * unroll.c (unroll_loop, find_splittable_givs, final_giv_value): Use get_insns instead of gen_sequence. (copy_loop_body): Likewise and don't emit dummy NOTE. * genrecog.c: Don't mention SEQUENCE rtl in comments. * combine.c (try_combine): Expect insn lists from split generator. * reorg.c (relax_delay_slots): Emit SEQUENCE into insn list by hand. From-SVN: r54497
2002-05-28tree.h: Forward-declare struct realvaluetype.Zack Weinberg1-0/+1
* tree.h: Forward-declare struct realvaluetype. (struct tree_real_cst): Point to the REAL_VALUE_TYPE, do not contain it. (TREE_REAL_CST_PTR): New accessor. (TREE_REAL_CST): Update. * real.h: Include machmode.h. (realvaluetype): Make it struct realvaluetype, not a typedef. (build_real): Prototype here. * tree.c: Include real.h. (build_real): Allocate the REAL_VALUE_TYPE as a separate object in GC memory, set TREE_REAL_CST_PTR to point to it. (build_real_from_int_cst): Use build_real. * ggc-common.c (ggc_mark_trees): Mark TREE_REAL_CST_PTR of a REAL_CST. * builtins.c, c-common.c, c-lex.c, dwarf2out.c, expr.c, fold-const.c, print-tree.c, real.c, cp/mangle.c, cp/tree.c, f/bld.c, f/com.c, f/expr.c, f/target.c, java/decl.c, java/jcf-parse.c, java/parse.y, java/typeck.c: Include real.h. * Makefile.in, cp/Make-lang.in, f/Make-lang.in, java/Make-lang.in: Update dependency lists. From-SVN: r53959