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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
2002-05-26alias.c: Fix formatting.Kazu Hirata1-88/+88
* alias.c: Fix formatting. * attribs.c: Likewise. * bb-reorder.c: Likewise. * bitmap.c: Likewise. * bitmap.h: Likewise. * builtins.c: Likewise. From-SVN: r53898
2002-04-23builtins.c (builtin_memset_gen_str): New function.Roger Sayle1-1/+58
2002-04-23 Roger Sayle <roger@eyesopen.com> * builtins.c (builtin_memset_gen_str): New function. (expand_builtin_memset): Optimize the case of constant length, but unknown value. testsuite: * gcc.c-torture/execute/string-opt-17.c: New test case. * gcc.c-torture/execute/memset-2.c: New test case. From-SVN: r52662
2002-04-19builtins.c: Include langhooks.h.Neil Booth1-3/+3
* builtins.c: Include langhooks.h. (lang_type_promotes_to): Remove. (expand_builtin_va_arg): Use new hook. * c-common.c (c_common_nodes_and_builtins): Don't set hook. (simple_type_promotes_to): Move to c-typeck.c. * c-common.h (simple_type_promotes_to): Remove. * c-decl.c (duplicate_decls, grokdeclarator): Update. * c-format.c: Include langhooks.h. (check_format_types): Update. * c-tree.h (c_type_promotes_to): New. * c-typeck.c (c_type_promotes_to): Move from c-common.c. (type_lists_compatible_p): Update. * langhooks-def.h (lhd_type_promotes_to): New. (LANG_HOOKS_TYPE_PROMOTES_TO): New. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Update. * langhooks.c (lhd_type_promotes_to): New. * langhooks.h (struct lang_hooks_for_types): New hook. * tree.h (lang_type_promotes_to): Remove. cp: * call.c (convert_type_from_ellipsis): Rename, update. * cp-lang.c (LANG_HOOKS_TYPE_PROMOTES_TO): Redefine. * cp-tree.h (convert_type_from_ellipsis): Rename. * decl.c (cxx_init_decl_processing): Don't set hook. objc: * objc-lang.c (LANG_HOOKS_TYPE_PROMOTES_TO): Redefine. From-SVN: r52512
2002-04-02builtins.c (expand_builtin_prefetch): Force op0 pointer to Pmode if ↵Steve Ellcey1-4/+11
POINTERS_EXTEND_UNSIGNED is defined. * builtins.c (expand_builtin_prefetch): Force op0 pointer to Pmode if POINTERS_EXTEND_UNSIGNED is defined. From-SVN: r51778
2002-03-31builtins.c (expand_builtin_va_arg): Give warnings not errors for promoted ↵Richard Henderson1-11/+28
argument types; build trap. * builtins.c (expand_builtin_va_arg): Give warnings not errors for promoted argument types; build trap. (expand_builtin_trap): New. (expand_builtin): Use it. * stmt.c (expand_nl_goto_receivers): Likewise. * expr.h (expand_builtin_trap): Declare. * libfuncs.h (LTI_abort, abort_libfunc): New. * optabs.c (init_optabs): Init abort_libfunc. * gcc.dg/va-arg-1.c: Expect warnings, not errors. From-SVN: r51643
2002-03-27i960.md (ret): Set PC.Jan Hubicka1-1/+4
* i960.md (ret): Set PC. (nonlocal_goto): Fix expander. * builtins.c (epxand_builin_longjmp): Check that we've emitted some jump or call. From-SVN: r51478
2002-03-08re PR c/3711 (ICE in instantiate_virtual_regs_1, at function.c:3880)Jakub Jelinek1-17/+34
PR c/3711 * builtins.c (std_expand_builtin_va_arg): Do all computations on trees. * gcc.c-torture/execute/20020307-2.c: New test. From-SVN: r50438
2002-03-07defaults.h (MODE_HAS_NANS, [...]): New.Richard Sandiford1-10/+5
* defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES): New. (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. From-SVN: r50401
2002-01-26builtins.c (expand_builtin_strncat): Remove redundant check for INTEGER_CST.Kaveh R. Ghazi1-2/+1
* builtins.c (expand_builtin_strncat): Remove redundant check for INTEGER_CST. From-SVN: r49246
2002-01-25builtins.c (expand_builtin_strncpy): Use integer_zerop instead of ↵Richard Kenner1-7/+8
compare_tree_int. * builtins.c (expand_builtin_strncpy): Use integer_zerop instead of compare_tree_int. (expand_builtin_strncat): Likewise. * c-decl.c (finish_struct): Use tree_low_cst. * tree.h (compare_tree_int): Arg is unsigned HOST_WIDE_INT. * tree.c (compare_tree_int): Likewise. From-SVN: r49222
2002-01-25loop.c (emit_prefetch_instructions): Use the prefetch insn's mode, not Pmode.Aldy Hernandez1-1/+2
2002-01-24 Aldy Hernandez <aldyh@redhat.com> * loop.c (emit_prefetch_instructions): Use the prefetch insn's mode, not Pmode. * builtins.c (expand_builtin_prefetch): Same. From-SVN: r49200
2002-01-03builtins.c: Fix formatting.Kazu Hirata1-2/+2
* builtins.c: Fix formatting. * c-typeck.c: Likewise. * combine.c: Likewise. * expr.c: Likewise. * loop.c: Likewise. From-SVN: r48512
2001-12-27re PR rtl-optimization/3508 (builtin memcmp() could be optimised)Roger Sayle1-0/+14
* builtins.c (expand_builtin_memcmp): Optimize memcmp built-in when all arguments are known constant. Fixes PR opt/3508. * gcc.c-torture/execute/string-opt-16.c: New testcase. From-SVN: r48335
2001-12-21builtin-attrs.def (__builtin_printf_unlocked, [...]): Mark with the ↵Kaveh R. Ghazi1-5/+24
__printf__ attribute. * builtin-attrs.def (__builtin_printf_unlocked, __builtin_fprintf_unlocked, printf_unlocked, fprintf_unlocked): Mark with the __printf__ attribute. * builtins.c (expand_builtin_fputs): Add an `unlocked' parameter and set the replacement function depending on it. (expand_builtin): Skip BUILT_IN_*_UNLOCKED when not optimizing. Handle BUILT_IN_*_UNLOCKED when optimizing. * builtins.def (DEF_EXT_FALLBACK_BUILTIN, DEF_EXT_FRONT_END_LIB_BUILTIN): New macros. Declare the "unlocked" stdio functions. * c-common.c (c_expand_builtin_printf, c_expand_builtin_fprintf): Add an `unlocked' parameter and set the replacement function depending on it. (c_expand_builtin): Handle BUILT_IN_PRINTF_UNLOCKED and BUILT_IN_FPRINTF_UNLOCKED. * doc/extend.texi (printf_unlocked, fprintf_unlocked, fputs_unlocked): Document. testsuite: * gcc.dg/format/builtin-1.c: Test unlocked stdio. * gcc.dg/format/c90-printf-3.c: Likewise. * gcc.dg/format/c99-printf-3.c: Likewise. * gcc.dg/format/ext-1.c: Likewise. * gcc.dg/format/ext-6.c: Likewise. * gcc.dg/format/format.h: Prototype unlocked stdio. From-SVN: r48229
2001-12-17* builtins.c (apply_args_size): Change regno to unsigned.Aldy Hernandez1-1/+2
From-SVN: r48090
2001-12-15builtins.c (expand_builtin_memcmp): Mark parameter with ATTRIBUTE_UNUSED.Kaveh R. Ghazi1-1/+1
* builtins.c (expand_builtin_memcmp): Mark parameter with ATTRIBUTE_UNUSED. * cfgcleanup.c (insns_match_p): Likewise. * regrename.c (mode_change_ok): Likewise. * gcc.c (execute): Const-ify. From-SVN: r48033
2001-12-14builtins.def: Rename BUILT_IN_FSQRT to BUILT_IN_SQRT and __builtin_fsqrt to ↵Andreas Jaeger1-3/+3
__builtin_sqrt. 2001-12-14 Roger Sayle <roger@eyesopen.com> * builtins.def: Rename BUILT_IN_FSQRT to BUILT_IN_SQRT and __builtin_fsqrt to __builtin_sqrt. * builtins.c (expand_builtin_mathfn,expand_builtin): Same. * doc/extend.texi: Simplify documentation to match patch. f: * com-rt.def: Use __builtin_sqrt instead of __builtin_fsqrt. * com.c (ffecom_init_0): Same, and fixed enumeration usage. libstdc++-v3: * acconfig.h: Test for __builtin_sqrt instead of __builtin_fsqrt. * acinclude.m4: Same. * include/c_shadow/bits/std_cmath.h: Same. * aclocal.m4: Regenerated. * config.h.in: Regenerated. * configure: Regenerated. From-SVN: r48008
2001-12-12builtins.c (expand_builtin_memset, [...]): Additional arguments TARGET and MODE.Roger Sayle1-132/+183
* builtins.c (expand_builtin_memset, expand_builtin_memcpy, expand_builtin_strcpy): Additional arguments TARGET and MODE. (expand_builtin_bzero, expand_builtin_strcpy, expand_builtin_strncpy, expand_builtin_bzero): Pass additional TARGET and MODE parameters to the above functions. (expand_builtin_memset, expand_builtin_memcpy): Optimize the case where the LEN parameter is constant zero. (expand_builtin_memcmp): No longer conditional on HAVE_cmpstrsi. Take an additional mode parameter. Optimize the cases where len is either constant zero or one. Optimize to call to memcpy, even if the memcpy isn't inlined. (expand_builtin_strncpy): Optimize to call memcpy, even if the memcpy isn't inlined. (expand_builtin_strcmp, expand_builtin_strncmp): Always attempt to optimize to a call to memcmp. (expand_builtin): expand_builtin_memcmp can always be called, and pass the required parameters to expand_builtin_memcmp, expand_builtin_memset, expand_builtin_memcpy and expand_builtin_strcpy. * gcc.c-torture/execute/string-opt-14.c: New test case. * gcc.c-torture/execute/string-opt-15.c: New test case. From-SVN: r47960
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