* 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
* 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
* 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
* builtins.c (expand_builtin): Use a switch statement to list
those functions not expanded without optimizations, instead of a
series of equality tests.
From-SVN: r47876
* builtin-types.def (BT_FN_VOID_PTR_VAR): New.
* builtins.def (BUILT_IN_PREFETCH): Change arguments.
* builtins.c (expand_builtin_prefetch): Two arguments are now optional,
with defaults for read prefetch with high degree of locality.
* doc/extend.texi (__builtin_prefetch): Update documentation.
* doc/md.texi (prefetch): Add documentation.
From-SVN: r47741
* builtins.c (apply_args_size): Handle vector arguments.
(apply_result_size): Same.
* machmode.def: Set WIDER mode field for all vector entries.
From-SVN: r46718
* builtins.c (expand_builtin_setjmp): Only call convert_memory_address
if needed.
(expand_builtin_longjmp, expand_builtin_alloca): Likewise.
* except.c (expand_builtin_frob_return_addr): Likewise.
(expand_builtin_eh_return): Likewise.
* stmt.c (expand_computed_goto): Likewise.
* explow.c (memory_address): Likewise.
(allocate_dynamic_stack_space): Clean up predicate testing.
(probe_stack_range): Convert SIZE to Pmode.
* calls.c (rtx_for_function_call): Only call convert_memory_address
if needed.
Pass function call operand as ptr_mode, not Pmode.
* expr.c (expand_assignment): Clean up calls to convert_memory
address by only doing so when needed and making offsets Pmode.
(store_constructor, expand_expr, expand_expr_unaligned): Likewise.
* function.c (assign_parms): Ensure address in MEM for RESULT_DECL
is in Pmode, not ptr_mode.
From-SVN: r46448
* alias.c (can_address_p): Compnonents are not addressable if
the containing type has alias set 0.
(get_alias_set): Rework to use STRIP_NOPS.
Only call front-end routine on object, type, or object with
NOPs stripped, not inner values.
Use language hook to call front-end routine.
* builtins.c (get_memory_rtx): Always call set_mem_attributes.
(expand_builtin_apply): Call set_mem_align on MEMs we make.
Don't pass alignment to emit_block_move.
(expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
(expand_builtin_memset): Likewise, but for clear_storage.
* c-common.c (lang_get_alias_set): Renamed to c_common_alias_set
and remove C++ specific parts.
* c-common.h (c_common_get_alias_set): Add declaration.
* c-lang.c (LANG_HOOKS_GET_ALIAS_SET): New macro.
* calls.c (emit_call_1): Fix typo in sibcall_pop case.
(save_fixed_argument_area): Call set_mem_align.
Remove alignment in call to emit_block_move.
(emit_library_call_value_1, store_one_arg): Likewise.
(target_for_arg): Remove; disabled long ago.
* emit-rtl.c (set_mem_attributes): Rework to only call get_mem_attrs
once and similar cleanups.
(offset_address): Use proper introductory comment.
* expr.c (emit_block_move): Use alignment from that of MEM args, not
from explicit operand; all callers changed.
(clear_storage): Likewise.
(expand_assignment): Don't call set_mem_alias_set on to_rtx.
(store_field): Remove kludge on alias set used for to_rtx.
(highest_pow2_factor, case *_DIV_EXPR): Never return 0.
(expand_expr_unaligned): Call set_mem_attributes instead of
set_mem_alias_set.
* expr.h (emit_block_move, clear_storage): Remove ALIGN argument.
* function.c (assign_stack_temp_for_type): Set MEM alignment.
(expand_function_end): Track MEM attributes of trampolines.
* ifcvt.c (noce_try_cmove_arith): Set alignment of new MEM.
* integrate.c (copy_rtx_and_substitute, case CALL): Copy memory
attributes from original.
* langhooks.c (lang_hook_default_get_alias_set): New function.
(hook_get_alias_set_0): New function.
* langhooks.h (hook_get_alias_set_0): New declaration.
(lang_hook_default_get_alias_set): Likewise.
(LANG_HOOKS_GET_ALIAS_SET): New macro; add to initializer.
* reload1.c (alter_reg): Use adjust_address_nv.
* rtl.c (get_mode_alignment): Moved to here.
* rtl.h (MEM_ALIGN): Take default from mode, if not BLKmode, and
change default if unknown from 1 to BITS_PER_UNIT.
* stor-layout.c (get_mode_alignment): Remove from here.
* toplev.h (struct lang_hoks): Add get_alias_set field.
* tree.h (lang_get_alias_set): Delete declaration.
* config/arc/arc.c (arc_setup_incoming_varags): Set MEM alignment.
* config/i386/i386.c (ix86_setup_incoming_varargs): Likewise.
(ix86_va_arg): Likewise.
* config/i960/i960.c (i960_setup_incoming_varargs): Likewise.
* config/pa/pa.c (hppa_builtin_saveregs): Likewise.
* config/sparc/sparc.c (sparc_va_arg): Likewise.
* config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
(expand_block_move_mem): Remove dead code.
* cp/cp-lang.c (cxx_get_alias_set): New function.
Point LANG_HOOKS_GET_ALIAS_SET to it.
* f/com.c (LANG_HOOKS_GET_ALIAS_SET): New macro.
(lang_get_alias_set): Delete.
* java/lang.c (lang_get_alias_set): Deleted.
From-SVN: r46440
* alias.c (clear_reg_alias_info): Use K&R format definition.
Avoid unsigned warning.
* builtins.c: Use "unsigned int", not "unsigned".
(target_char_cast): Use host_integerp and tree_low_cst.
(expand_builtin_args_info, expand_builtin_frame_address): Likewise.
(c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
(c_getstr): Likewise.
(std_expand_builtin_va_arg): Use int_size_in_bytes.
(builtin_memcpy_read_str): Avoid unsigned warning.
(expand_builtin_memcpy): Alignments are unsigned.
(expand_builtin_strncpy, expand_builtin_memset): Likewise.
(expand_builtin_expect_jump): Use integer_zerop and integer_onep.
* predict.c (expensive_function_p): LIMIT now unsigned.
* resource.c (mark_target_live_regs): Make some vars unsigned.
* sdbout.c: Use "unsigned int", not "unsigned".
(MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
(sdbout_source_line): Likewise.
(sdbout_record_type_name): Remove "const" for NAME declaration.
* config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
From-SVN: r45503
* function.c (expand_function_end): Don't init arg_pointer_save_area.
(get_arg_pointer_save_area): New. Create an init it here.
(fix_lexical_addr): Use it.
* function.h: Declare it.
* builtins.c (expand_builtin_setjmp_receiver): Use it.
* stmt.c (expand_nl_goto_receiver): Use it.
From-SVN: r45200
* stmt.c: Don't include insn-codes.h.
(expand_end_case): Machine specific logic moved to expr.c.
No need to worry about __builtin_classify_type.
(check_for_full_enumeration_handling, emit_case_nodes):
Kill #if 0 blocks.
* builtins.o (expand_builtin_classify_type): Split up so code
can be shared with fold_builtin_classify_type.
(type_to_class, fold_builtin_classify_type): New functions.
(fold_builtins): Handle __builtin_classify_type.
* expr.c (do_tablejump): Now static.
(case_values_threshold, try_casesi, try_tablejump): New;
code mostly from stmt.c (expand_end_case).
(expr.h): Update prototypes.
* Makefile.in (stmt.o): Update dependencies.
From-SVN: r45078
* optabs.h (OTI_flodiv, flodiv_optab): Kill.
* 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.
From-SVN: r45008
* expr.h: Split out optab- and libfunc-related code to...
* 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.
From-SVN: r44858
* builtins.c (fold_builtin_constant_p): Return integer_zero_node
for complex expressions when cfun == 0.
* doc/extend.texi: Document that __builtin_constant_p can be
used in data initializers as well as functions.
* gcc.dg/bconstp-1.c: New test.
From-SVN: r44619
2001-07-25 Andrew MacLeod <amacleod@redhat.com>
Janis Johnson <janis@us.ibm.com>
* stmt.c (expand_goto): A nonlocal goto can be a call too.
* builtins.c (expand_builtin_longjmp): Reverse label and static chain
pointer parameters to match documented usage of nonlocal_goto.
* config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
parameters to their correct order.
* config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
parameters to their correct order.
Co-Authored-By: Janis Johnson <janis@us.ibm.com>
From-SVN: r44353
* stor-layout.c (get_mode_alignment): make it work when
BITS_PER_UNIT is not a power of two.
* builtins.c (get_pointer_alignment): Likewise.
From-SVN: r44322
* calls.c (prepare_call_address): New parameter SIBCALLP. If true,
don't force the function address into a register.
(expand_call, emit_library_call_value_1): Update callers.
* builtins.c (expand_builtin_apply): Likewise.
* expr.h (prepare_call_address): Update decl.
From-SVN: r44095
* builtins.def: Encode additional information, such as names and
types, here.
* builtin-types.def: New file.
* builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
(built_in_decls): Likewise. Don't explicitly initialize global
data to NULL.
(expand_builtin_mathfn): Handle float and long double variants of
math builtins.
(expand_builtin): Likewise.
* c-common.c (c_common_nodes_and_builtins): Make it table-driven.
(expand_tree_builtin): Handle long, long long, float, and long
double variants of math functions.
* c-common.h (c_tree_index): Remove some unused nodes.
(void_ftype): Remove.
(void_type_ptr): Likewise.
(int_ftype_int): Likewise.
(ptr_ftype_sizetype): Likewise.
* c-decl.c (init_decl_processing): Remove creation of DWARF
builtins.
* defaults.h (MD_INIT_BUILTINS): Provide default definition.
* tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
* Makefile.in (c-common.o): Depend on builtin-types.def.
* decl.c (init_decl_processing): Tweak.
From-SVN: r42583
2001-05-22 Andrew MacLeod <amacleod@redhat.com>
* builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
* config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
* config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
"r2" to the assembly file. Only issue allocs with non-zero parameters.
From-SVN: r42467
* builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
returns Pmode pseudo, but we need ptr_mode.
* explow.c (allocate_dynamic_stack_space): Use plus_constant.
Remove bogus conversions; use HOST_WIDE_INT for size.
Don't use TARGET if wrong mode.
From-SVN: r39390
