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2013-01-10Update copyright years in gcc/Richard Sandiford1-2/+1
From-SVN: r195098
2013-01-04Update Copyright years for files modified in 2011 and/or 2012.Jakub Jelinek1-1/+1
From-SVN: r194903
2012-02-02re PR middle-end/47982 (Documentation error on libgcc __udivmoddi4)Andrew Pinski1-2/+2
2012-02-02 Andrew Pinski <apinski@cavium.com> PR middle-end/47982 PR middle-end/43967 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo. From-SVN: r183862
2011-05-04Remove extra spacing at the end of the line.Mike Stump1-2/+2
From-SVN: r173401
2011-01-03Update Copyright years for files modified in 2010.Jakub Jelinek1-1/+2
From-SVN: r168438
2010-09-27common.opt (fsplit-stack): New option.Ian Lance Taylor1-0/+40
gcc/: * common.opt (fsplit-stack): New option. * opts.c (decode_options): Set flag_split_stack to final value. * target.def (supports_split_stack): New hook. * gcc.c (STACK_SPLIT_SPEC): Define. (LINK_COMMAND_SPEC): Use STACK_SPLIT_SPEC. * doc/invoke.texi (Option Summary): Mention -fsplit-stack. (Code Gen Options): Document -fsplit-stack. * doc/extend.texi (Function Attributes): Mention no_split_stack. (Function Attributes): Document no_split_stack. * doc/tm.texi.in (Stack Smashing Protection): Add @hook TARGET_SUPPORTS_SPLIT_STACK. * doc/tm.texi: Rebuild. * function.c (thread_prologue_and_epilogue_insns): If flag_split_stack, add split stack prologue. * explow.c (allocate_dynamic_stack_space): Support -fsplit-stack. * varasm.c (saw_no_split_stack): New static variable. (assemble_start_function): Set saw_no_split_stack if the function has the no_split_stack attribute. (file_end_indicate_split_stack): New function. * output.h (file_end_indicate_split_stack): Declare. * libgcc-std.ver (GCC_4.6.0): Add -fsplit-stack support variables and function. * doc/libgcc.texi (Miscellaneous routines): Document -fsplit-stack routines. * config/i386/i386.c (ix86_option_override_internal): Don't set expand_builtin_va_start to NULL if -fsplit-stack. (ix86_function_regparm): Reduce local regparm by 1 for 32-bit -fsplit-stack. (ix86_va_start): If -fsplit-stack, get overflow pointer from scratch register set by prologue. (ix86_code_end): If -fsplit-stack, call file_end_indicate_split_stack. (ix86_supports_split_stack): New static function. (SPLIT_STACK_AVAILABLE): Define. (split_stack_prologue_scratch_regno): New static function. (split_stack_fn): New static variable. (ix86_expand_split_stack_prologue): New function. (ix86_live_on_entry): New static function. (ix86_legitimate_address_p): Handle UNSPEC_STACK_CHECK. (output_pic_addr_const): Likewise. (i386_asm_output_addr_const_extra): Likewise. (ix86_expand_call): Change return type to rtx. Return the new call instruction. (TARGET_SUPPORTS_SPLIT_STACK): Define. (TARGET_EXTRA_LIVE_ON_ENTRY): Define. * config/i386/i386.md (UNSPEC_STACK_CHECK): Define. (split_stack_prologue, split_stack_return): New insns. (split_stack_space_check): New insn. * config/i386/i386.h (struct machine_function): Add split_stack_varargs_pointer field. * config/i386/linux.h (TARGET_CAN_SPLIT_STACK): Define. (TARGET_THREAD_SPLIT_STACK_OFFSET): Define. * config/i386/linux64.h (TARGET_CAN_SPLIT_STACK): Define. (TARGET_THREAD_SPLIT_STACK_OFFSET): Define. * config/i386/i386-protos.h (ix86_expand_split_stack_prologue): Declare. (ix86_expand_call): Update declaration. gcc/c-family/: * c-common.c (c_common_attribute_table): Add no_split_stack. (handle_no_split_stack_attribute): New static function. gcc/testsuite/: * lib/target-supports.exp (check_effective_target_split_stack): New procedure. * gcc.dg/split-1.c: New test. * gcc.dg/split-2.c: New test. * gcc.dg/split-3.c: New test. * gcc.dg/split-4.c: New test. libgcc/: * generic-morestack.h: New file. * generic-morestack.c: New file. * generic-morestack-thread.c: New file. * config/i386/morestack.S: New file. * config/t-stack: New file. * config/i386/t-stack-i386: New file. * config.host (i[34567]86-*-linux* and friends): Add t-stack and i386/t-stack-i386 to tmake_file. From-SVN: r164661
2008-06-19dfp.h, [...]: Remove references to IEEE 754R.Ben Elliston1-2/+2
* dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h, real.c: Remove references to IEEE 754R. * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008. * doc/libgcc.texi (Decimal float library routines): Likewise. From-SVN: r136933
2008-02-14bugreport.texi: Update copyright years.Ralf Wildenhues1-1/+1
* doc/bugreport.texi: Update copyright years. * doc/c-tree.texi: Likewise. * doc/cfg.texi: Likewise. * doc/cpp.texi: Likewise. * doc/cppinternals.texi: Likewise. * doc/fragments.texi: Likewise. * doc/frontends.texi: Likewise. * doc/gcc.texi: Likewise. * doc/gty.texi: Likewise. * doc/hostconfig.texi: Likewise. * doc/implement-c.texi: Likewise. * doc/libgcc.texi: Likewise. * doc/loop.texi: Likewise. * doc/makefile.texi: Likewise. * doc/options.texi: Likewise. * doc/passes.texi: Likewise. * doc/rtl.texi: Likewise. * doc/sourcebuild.texi: Likewise. * doc/standards.texi: Likewise. * doc/tree-ssa.texi: Likewise. * doc/trouble.texi: Likewise. From-SVN: r132313
2007-09-28libgcc-std.ver: Add fixed-point routines to GCC_4.3.0 section.Chao-ying Fu1-48/+48
* libgcc-std.ver: Add fixed-point routines to GCC_4.3.0 section. * doc/libgcc.texi (Fixed-point fractional library routines): Fix typos for neg and cmp functions. From-SVN: r128873
2007-09-17fixed-bit.h: New file.Chao-ying Fu1-2/+1425
* config/fixed-bit.h: New file. * config/fixed-bit.c: New file. * doc/libgcc.texi (Fixed-point fractional library routines): New node. Co-Authored-By: Nigel Stephens <nigel@mips.com> From-SVN: r128556
2007-09-11re PR c/30013 (Multiple flaws in decimal floating-point arithmetic ↵Janis Johnson1-0/+12
conversions fixed) gcc/ PR c/30013 * config/dfp-bit.c: Don't skip TFmode conversions; move strto* declarations to top. (DFP_TO_BFP): Use for either XFmode or TFmode. (BFP_TO_DFP): Use for either XFmode or TFmode; always use cast of BFP_VIA_TYPE. * config/dfp-bit.h: Include float.h. (LONG_DOUBLE_HAS_XF_MODE, LONG_DOUBLE_HAS_TF_MODE): Define if long double is one of these modes, rather than using LIBGCC_HAS_*F_MODE which doesn't mean the same thing. (BFP_KIND): Use 4 to mean TFmode. (BFP_FMT): Specify the number of decimal digits based on the number of mantissa digits. (BFP_VIA_TYPE): Binary float type to use as cast for sprintf. (BFP_TO_DFP, DFP_TO_BFP): Define names for TFmode variants. (STR_TO_BFP): Use strtold for XFmode or TFmode. (TFtype): Define if TFmode is supported. * doc/libgcc.texi (Decimal float library routines): Document TF conversion functions. gcc/testsuite/ * gcc.dg/dfp/convert-bfp.c: Replace SKIP_LONG_DOUBLE with runtime checks for size of long double. * gcc.dg/dfp/convert.h: New file. * gcc.dg/dfp/convert-bfp-2.c: New test. * gcc.dg/dfp/convert-bfp-3.c: Ditto. * gcc.dg/dfp/convert-bfp-4.c: Ditto. * gcc.dg/dfp/convert-bfp-5.c: Ditto. * gcc.dg/dfp/convert-bfp-6.c: Ditto. * gcc.dg/dfp/convert-bfp-7.c: Ditto. * gcc.dg/dfp/convert-bfp-8.c: Ditto. * gcc.dg/dfp/convert-bfp-9.c: Ditto. * gcc.dg/dfp/convert-bfp-10.c: Ditto. * gcc.dg/dfp/convert-bfp-11.c: Ditto. From-SVN: r128361
2007-08-22libgcc.texi (Decimal float library routines): Fix formatting and rearrange ↵Janis Johnson1-32/+37
floating point conversion functions into different... * doc/libgcc.texi (Decimal float library routines): Fix formatting and rearrange floating point conversion functions into different categories. From-SVN: r127709
2007-07-13re PR other/32188 (DFP instrinic document is out of date)H.J. Lu1-86/+175
2007-07-13 H.J. Lu <hongjiu.lu@intel.com> PR other/32188 * doc/libgcc.texi: Update DFP intrinsics for DPD and BID. From-SVN: r126619
2006-11-01extend.texi (__builtin_bswap32): Document.Eric Christopher1-1/+5
2006-09-07 Eric Christopher <echristo@apple.com> Falk Hueffner <falk@debian.org> * doc/extend.texi (__builtin_bswap32): Document. (__builtin_bswap64): Ditto. * doc/libgcc.texi (bswapsi2): Document. (bswapdi2): Ditto. * doc/rtl.texi (bswap): Document. * optabs.c (expand_unop): Don't widen a bswap. (init_optabs): Init bswap. Set libfuncs explicitly for bswapsi2 and bswapdi2. * optabs.h (OTI_bswap): New. (bswap_optab): Ditto. * genopinit.c (optabs): Handle bswap_optab. * tree.h (tree_index): Add TI_UINT32_TYPE and TI_UINT64_TYPE. (uint32_type_node): New. (uint64_type_node): Ditto. * tree.c (build_common_tree_nodes_2): Initialize uint32_type_node and uint64_type_node. * builtins.c (expand_builtin_bswap): New. (expand_builtin): Call. (fold_builtin_bswap): New. (fold_builtin_1): Call. * fold-const.c (tree_expr_nonnegative_p): Return true for bswap. * builtin-types.def (BT_UINT32): New. (BT_UINT64): Ditto. (BT_FN_UINT32_UINT32): Ditto. (BT_FN_UINT64_UINT64): Ditto. * builtins.def (BUILT_IN_BSWAP32): New. (BUILT_IN_BSWAP64): Ditto. * rtl.def (BSWAP): New. * genattrtab.c (check_attr_value): New. * libgcc2.c (__bswapSI2): New. (__bswapDI2): Ditto. * libgcc2.h (__bswapSI2): Declare. (__bswapDI2): Ditto. * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2. * simplify-rtx.c (simplify_const_unary_operation): Return 0 for BSWAP. * libgcc-std.ver (__bwapsi2): Add. (__bswapdi2): Ditto. * reload1.c (eliminate_regs_1): Add bswap. (elimination_effects): Ditto. * config/i386/i386.h (x86_bswap): New. (TARGET_BSWAP): Use. * config/i386/i386.c (x86_bswap): Set. Co-Authored-By: Falk Hueffner <falk@debian.org> From-SVN: r118361
2006-01-18Makefile.in (D32PBIT_FUNCS): New.Ben Elliston1-0/+200
* Makefile.in (D32PBIT_FUNCS): New. (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise. (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS, D64PBIT_FUNCS and D128PBIT_FUNCS. (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT). * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or D128PBIT are set. (decnumber_dep): Define. * doc/libgcc.texi (Decimal float library routines): New node. * config/dfp-bit.h, config/dfp-bit.c: New files. From-SVN: r109856
2005-12-05libgcc.texi (__floatunsisf, [...]): Document.Joseph Myers1-1/+48
* doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf, __floatunsixf, __floatundisf, __floatundidf, __floatunditf, __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf, __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3, __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3, __divxc3): Document. From-SVN: r108077
2004-11-05c-tree.texi, [...]: Correct end-of-sentence markup and markup of "etc.", ↵Joseph Myers1-3/+3
"e.g." and "i.e.". * doc/c-tree.texi, doc/cfg.texi, doc/contrib.texi, doc/cpp.texi, doc/cppopts.texi, doc/extend.texi, doc/fragments.texi, doc/frontends.texi, doc/gcov.texi, doc/hostconfig.texi, doc/implement-c.texi, doc/install.texi, doc/invoke.texi, doc/libgcc.texi, doc/md.texi, doc/passes.texi, doc/portability.texi, doc/rtl.texi, doc/sourcebuild.texi, doc/standards.texi, doc/tm.texi, doc/tree-ssa.texi, doc/trouble.texi: Correct end-of-sentence markup and markup of "etc.", "e.g." and "i.e.". Use @code in various places where appropriate. From-SVN: r90101
2004-10-28contrib.texi, [...]: Improve Texinfo formatting.Joseph Myers1-1/+1
* doc/contrib.texi, doc/cpp.texi, doc/cppopts.texi, doc/extend.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi, doc/libgcc.texi, doc/md.texi, doc/passes.texi, doc/sourcebuild.texi, doc/tm.texi: Improve Texinfo formatting. From-SVN: r89725
2004-01-18c-tree.texi, [...]: Remove trailing whitespace.Joseph Myers1-1/+1
* doc/c-tree.texi, doc/cpp.texi, doc/extend.texi, doc/frontends.texi, doc/gcov.texi, doc/gty.texi, doc/install.texi, doc/invoke.texi, doc/libgcc.texi, doc/md.texi, doc/rtl.texi, doc/sourcebuild.texi, doc/standards.texi, doc/tm.texi, doc/trouble.texi: Remove trailing whitespace. From-SVN: r76098
2004-01-18c-tree.texi, [...]: Use @smallexample instead of @example.Joseph Myers1-3/+3
* doc/c-tree.texi, doc/compat.texi, doc/cpp.texi, doc/cppopts.texi, doc/extend.texi, doc/install.texi, doc/interface.texi, doc/invoke.texi, doc/libgcc.texi, doc/md.texi, doc/objc.texi, doc/rtl.texi, doc/tm.texi, doc/trouble.texi: Use @smallexample instead of @example. From-SVN: r76075
2003-10-24* doc/libgcc.texi: Document some more of the libgcc API.Roger Sayle1-114/+230
From-SVN: r72894
2003-10-18libgcc.texi: Group multi-word types...Roger Sayle1-15/+15
* libgcc.texi: Group multi-word types, such as "long double" and "unsigned int", using braces in @deftypefn and @deftypefnx nodes. Document __unord?f2 as returning a non-zero value, not just one. From-SVN: r72645
2003-03-15* doc/libgcc.texi: Remove @tie.Zack Weinberg1-1/+1
From-SVN: r64420
2003-03-15Makefile.in (TEXI_GCCINT_FILES): Add libgcc.texi.Aldy Hernandez1-0/+368
2003-03-15 Aldy Hernandez <aldyh@redhat.com> Zack Weinberg <zack@codesourcery.com> * Makefile.in (TEXI_GCCINT_FILES): Add libgcc.texi. * doc/libgcc.texi: New file. * doc/interface.texi: Delete paragraph about libgcc interface. * doc/gccint.texi: Add libgcc menu entry and @include libgcc.texi. From-SVN: r64416
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