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176 Commits

Author SHA1 Message Date
Kai Tietz fbd3340c7d sfp-machine.h (_FP_STRUCT_LAYOUT): Define it for mingw-targets as attribute gcc_struct. 
* config/i386/sfp-machine.h (_FP_STRUCT_LAYOUT): Define it
        for mingw-targets as attribute gcc_struct.

From-SVN: r184641
 2012-02-28 21:53:35 +01:00
Georg-Johann Lay 0253a8b165 re PR target/52261 ([avr] Add support for AVR Xmega cores) 
PR target/52261
	* config/avr/lib1funcs.S (__AVR__XMEGA__): Fix tippo to __AVR_XMEGA__.

From-SVN: r184522
 2012-02-23 19:26:00 +00:00
Ulrich Weigand e10e461eef acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of HAVE_INITFINI_ARRAY to work around... 
gcc/
	* acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
	HAVE_INITFINI_ARRAY to work around namespace pollution in
	certain versions of newlib system headers.
	* config.in: Regenerate.
	* configure: Regenerate.
	* config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
	instead of HAVE_INITFINI_ARRAY.

	libgcc/
	* config/ia64/crtbegin.S: Use HAVE_INITFINI_ARRAY_SUPPORT
	instead of HAVE_INITFINI_ARRAY.
	* config/ia64/crtend.S: Likewise.

From-SVN: r184503
 2012-02-23 10:16:39 +00:00
Richard Sandiford 78c2726669 mips.c (mips_need_mips16_rdhwr_p): New variable. 
gcc/
	* config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
	(mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
	(mips_start_unique_function, mips_output_mips16_rdhwr)
	(mips_code_end): New functions.
	(TARGET_ASM_CODE_END): Define.

libgcc/
	* config.host (mips64*-*-linux*, mipsisa64*-*-linux*)
	(mips*-*-linux*): Remove t-slibgcc-libgcc.
	* config/mips/t-mips16 (LIB1ASMFUNCS): Remove __mips16_rdhwr.
	* config/mips/mips16.S (__mips16_rdhwr): Delete.

From-SVN: r184380
 2012-02-19 16:47:19 +00:00
Richard Sandiford 5adeb24686 mips.c (mips16_build_call_stub): Add CFI information to stubs with non-sibling calls. 
gcc/
	* config/mips/mips.c (mips16_build_call_stub): Add CFI information
	to stubs with non-sibling calls.

libgcc/
	* config/mips/mips16.S (CALL_STUB_RET): Add CFI information.

From-SVN: r184379
 2012-02-19 16:44:54 +00:00
Iain Sandoe 672ed3139a re PR libitm/52220 (FAIL: libitm.c++/eh-1.C execution test due to Xcode 4 weakref linker bug) 
PR libitm/52220
	* config/darwin-crt-tm.c: Correct typo.

From-SVN: r184305
 2012-02-16 09:46:31 +00:00
Iain Sandoe e948a1fbd4 re PR libitm/52220 (FAIL: libitm.c++/eh-1.C execution test due to Xcode 4 weakref linker bug) 
libitm/
2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
	    Patrick Marlier  <patrick.marlier@gmail.com>

	PR libitm/52220
	* alloc_cpp.cc: No dummy definitions for darwin.
	* eh_cpp.cc: Likewise.

libgcc/
2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
	    Patrick Marlier  <patrick.marlier@gmail.com>

	PR libitm/52220
	* config/darwin-crt-tm.c: Generate dummy functions.


Co-Authored-By: Patrick Marlier <patrick.marlier@gmail.com>

From-SVN: r184293
 2012-02-15 23:39:28 +00:00
Iain Sandoe 6017aed304 re PR libitm/52042 (libitm.c/clone-1.c (all darwin) and libitm.c/stackundo.c (darwin 11) execution tests fail with -fpie) 
2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
	    Patrick Marlier  <patrick.marlier@gmail.com>

	PR libitm/52042
	* config/darwin-crt-tm.c (getTMCloneTable): New function.
	(__doTMRegistrations): Call it.
	(__doTMdeRegistrations): Likewise. 


Co-Authored-By: Patrick Marlier <patrick.marlier@gmail.com>

From-SVN: r184281
 2012-02-15 19:17:42 +00:00
Georg-Johann Lay 2da8c1adcf re PR target/52261 ([avr] Add support for AVR Xmega cores) 
libgcc/
	PR target/52261
	* config/avr/lib1funcs.S (__prologue_saves__): Handle AVR_XMEGA
	(__epilogue_restores__): Ditto.

gcc/
	PR target/52261
	* config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
	avrxmega4, avrxmega5, avrxmega6, avrxmega7.
	Rewrite initializers for .macro.
	* config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
	avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
	atxmega32d4, atxmega32x1.
	avrxmega4: atxmega64a3, atxmega64d3.
	avrxmega5: atxmega64a1, atxmega64a1u.
	avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
	atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
	avrxmega7: atxmega128a1, atxmega128a1u.

	* config/avr/multilib.h: Regenerate.
	* config/avr/t-multilib: Regenerate.
	* config/avr/avr-tables.opt: Regenerate.

	* config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
	ARCH_AVRXMEGA4,	ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
	(struct base_arch_s): Rename reserved to xmega_p.
	Rename reserved2 to have_rampd.
	(AVR_XMEGA): New define.
	(AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
	(AVR_HAVE_RAMPZ): Change definition to fit xmega.

	* config/avr/predicates.md (io_address_operand): Take into
	account SFR offset.
	(low_io_address_operand): Ditto.
	(high_io_address_operand): Ditto.
	
	* config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
	(enabled, movhi_sp_r): Use them.

	* config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
	cpp_define_formatted to built-in define __AVR_ARCH__.
	(__AVR_XMEGA__): New built-in define.
	(__AVR_HAVE_RAMPD__): New built-in define.
	(__AVR_HAVE_RAMPX__): New built-in define.
	(__AVR_HAVE_RAMPY__): New built-in define.
	(__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.

	* config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
	(avr_option_override): Initialize them.
	(sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
	(avr_init_expanders): Initialize them. No more block several calls.
	(emit_push_sfr): New static function.
	(avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
	Handle AVR_XMEGA.
	(expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
	(avr_print_operand): Print addreeses as symbols for
	RAMPX, RAMPY, RAMPD, CCP.
	(output_movhi): Handle AVR_XMEGA when writing to SP.
	(avr_out_movhi_mr_r_xmega): New static function.
	(out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
	(avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
	__RAMPD__,  __CCP__ as needed.


Co-Authored-By: Anatoly Sokolov <aesok@post.ru>
Co-Authored-By: Eric Weddington <eric.weddington@atmel.com>

From-SVN: r184269
 2012-02-15 13:15:56 +00:00
Eric Botcazou 0f952eb4cc re PR target/51921 (EH unwinding support is broken) 
PR target/51921
	PR target/52205
	* config/sparc/sol2-unwind.h (sparc64_is_sighandler): Add support for
	Solaris 11 and slightly reformat.
	(sparc_is_sighandler): Likewise.

From-SVN: r184255
 2012-02-15 08:13:09 +00:00
Walter Lee dd552284fd Add ports for TILE-Gx and TILEPro. 
.
	* MAINTAINERS (tilegx port): Add myself.
	(tilepro port): Add myself.

contrib
	* config-list.mk (LIST): Add tilegx-linux-gnu and
	tilepro-linux-gnu.
	* gcc_update (gcc/config/tilegx/mul-tables.c): New dependencies.
	(gcc/config/tilepro/mul-tables.c): New dependencies.

gcc
	* config.gcc: Handle tilegx and tilepro.
	* configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
	tilegx and tilepro.
	Add HAVE_AS_TLS check for tilegx and tilepro.
	* configure: Regenerate.
	* doc/contrib.texi: Add Mat Hostetter and self.
	* doc/extend.texi (TILE-Gx Built-in Functions): New node.
	Document instruction intrinsics and network accessing intrinsics.
	(TILEPro Built-in Functions): New node.	 Document instruction
	intrinsics and network accessing intrinsics.
	* doc/install.texi (Specific, tilegx-*-linux*): Document it.
	(Specific, tilepro-*-linux*): Likewise.
	* doc/invoke.texi (TILE-Gx Options): New section.
	(TILEPro Options): New section.
	* doc/md.texi (TILE-Gx): New section.
	(TILEPro): New section.
	* common/config/tilegx: New directory for tilegx.
	* common/config/tilepro: New directory for tilepro.
	* config/tilegx: New directory for tilegx.
	* config/tilepro: New directory for tilepro.

gcc/testsuite
	* g++.dg/other/PR23205.C: Disable test on tile.
	* g++.dg/other/pr23205-2.C: Disable test on tile.
	* gcc.dg/20020312-2.c: Add a condition for __tile__.
	* gcc.dg/20040813-1.c: Disable test on tile.
	* gcc.dg/lower-subreg-1.c: Disable test on tilegx.
	* gcc.misc-tests/linkage.exp: Handle tilegx.

libcpp
	* configure.ac: Require 64-bit hwint for tilegx and tilepro.
	* configure: Regenerate.

libgcc
	* config.host: Handle tilegx and tilepro.
	* config/tilegx: New directory for tilegx.
	* config/tilepro: New directory for tilepro.

libgomp
	* configure.tgt: Handle tilegx and tilepro.
	* config/linux/tile: New directory for tilegx and tilepro.

Added:
     trunk/gcc/common/config/tilegx/tilegx-common.c
     trunk/gcc/common/config/tilepro/tilepro-common.c
     trunk/gcc/config/tilegx/constraints.md
     trunk/gcc/config/tilegx/linux.h
     trunk/gcc/config/tilegx/mul-tables.c
     trunk/gcc/config/tilegx/predicates.md
     trunk/gcc/config/tilegx/sync.md
     trunk/gcc/config/tilegx/t-tilegx
     trunk/gcc/config/tilegx/tilegx-builtins.h
     trunk/gcc/config/tilegx/tilegx-c.c
     trunk/gcc/config/tilegx/tilegx-generic.md
     trunk/gcc/config/tilegx/tilegx-modes.def
     trunk/gcc/config/tilegx/tilegx-multiply.h
     trunk/gcc/config/tilegx/tilegx-protos.h
     trunk/gcc/config/tilegx/tilegx.c
     trunk/gcc/config/tilegx/tilegx.h
     trunk/gcc/config/tilegx/tilegx.md
     trunk/gcc/config/tilegx/tilegx.opt
     trunk/gcc/config/tilepro/constraints.md
     trunk/gcc/config/tilepro/gen-mul-tables.cc
     trunk/gcc/config/tilepro/linux.h
     trunk/gcc/config/tilepro/mul-tables.c
     trunk/gcc/config/tilepro/predicates.md
     trunk/gcc/config/tilepro/t-tilepro
     trunk/gcc/config/tilepro/tilepro-builtins.h
     trunk/gcc/config/tilepro/tilepro-c.c
     trunk/gcc/config/tilepro/tilepro-generic.md
     trunk/gcc/config/tilepro/tilepro-modes.def
     trunk/gcc/config/tilepro/tilepro-multiply.h
     trunk/gcc/config/tilepro/tilepro-protos.h
     trunk/gcc/config/tilepro/tilepro.c
     trunk/gcc/config/tilepro/tilepro.h
     trunk/gcc/config/tilepro/tilepro.md
     trunk/gcc/config/tilepro/tilepro.opt
     trunk/libgcc/config/tilegx/sfp-machine.h
     trunk/libgcc/config/tilegx/sfp-machine32.h
     trunk/libgcc/config/tilegx/sfp-machine64.h
     trunk/libgcc/config/tilegx/t-crtstuff
     trunk/libgcc/config/tilegx/t-softfp
     trunk/libgcc/config/tilegx/t-tilegx
     trunk/libgcc/config/tilepro/atomic.c
     trunk/libgcc/config/tilepro/atomic.h
     trunk/libgcc/config/tilepro/linux-unwind.h
     trunk/libgcc/config/tilepro/sfp-machine.h
     trunk/libgcc/config/tilepro/softdivide.c
     trunk/libgcc/config/tilepro/softmpy.S
     trunk/libgcc/config/tilepro/t-crtstuff
     trunk/libgcc/config/tilepro/t-tilepro
     trunk/libgomp/config/linux/tile/futex.h
Modified:
     trunk/MAINTAINERS
     trunk/contrib/config-list.mk
     trunk/contrib/gcc_update
     trunk/gcc/config.gcc
     trunk/gcc/configure
     trunk/gcc/configure.ac
     trunk/gcc/doc/contrib.texi
     trunk/gcc/doc/extend.texi
     trunk/gcc/doc/install.texi
     trunk/gcc/doc/invoke.texi
     trunk/gcc/doc/md.texi
     trunk/gcc/testsuite/g++.dg/other/PR23205.C
     trunk/gcc/testsuite/g++.dg/other/pr23205-2.C
     trunk/gcc/testsuite/gcc.dg/20020312-2.c
     trunk/gcc/testsuite/gcc.dg/20040813-1.c
     trunk/gcc/testsuite/gcc.dg/lower-subreg-1.c
     trunk/gcc/testsuite/gcc.misc-tests/linkage.exp
     trunk/libcpp/configure
     trunk/libcpp/configure.ac
     trunk/libgcc/config.host
     trunk/libgomp/configure.tgt

From-SVN: r184203
 2012-02-14 10:02:21 +00:00
Chung-Lin Tang 6caf807fba config.host (mips64*-*-linux*, [...]): Add t-slibgcc-libgcc to tmake_file. 
libgcc/
2012-02-05  Chung-Lin Tang  <cltang@codesourcery.com>

	* config.host (mips64*-*-linux*, mipsisa64*-*-linux*, mips*-*-linux*):
	Add t-slibgcc-libgcc to tmake_file.
	* config/mips/libgcc-mips16.ver: Revert previous patch.
	* config/mips/mips16.S (__mips16_rdhwr): Hide.

From-SVN: r183912
 2012-02-05 15:03:15 +00:00
Sumanth G b25364a0b9 Adding GCC port for National Semicondutor's CR16 architecture 
Co-Authored-By: Jayant R Sonar <jayant.sonar@kpitcummins.com>

From-SVN: r183832
 2012-02-02 10:20:32 +00:00
Alan Modra 8ef03aa785 t-linux64: Delete. 
* config/rs6000/t-linux64: Delete.  Move..
	* config/rs6000/t-ppc64-fp: ..softfp_wrap defines to here..
	* config/rs6000/t-linux: ..and libgcc flags to here.

From-SVN: r183491
 2012-01-25 06:05:22 +10:30
Richard Sandiford ddaf812593 mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete. 
gcc/
2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
	    Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
	(SYMBOL_32_HIGH): Likewise.
	(mips_output_tls_reloc_directive): Declare.
	* config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
	(mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
	* config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
	(mips_lo_relocs, mips_hi_relocs): Make extern.
	(mips16_stub_function): Move up file.
	(mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
	(mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
	(mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
	(mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead
	of SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1
	if it's false.
	(mips_get_tp): Add MIPS16 support.
	(mips_legitimize_tls_address): Remove MIPS16 sorry().
	Generalize DTPREL and TPREL handling.
	(mips_init_relocs): Initialize mips_use_pcrel_pool_p.
	Add MIPS16 TLS support.
	(mips_output_tls_reloc_directive): New function.
	(mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
	* config/mips/predicates.md (symbolic_operand_with_high)
	(tls_reloc_operand): New predicates.
	(force_to_mem_operand): Use mips_use_pcrel_pool_p.
	* config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
	(PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
	(*unshifted_high): New instruction.  Use it for MIPS16
	high splitter.
	(consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
	(*tls_get_tp_mips16_call_<mode>): Likewise.

gcc/testsuite/
	* gcc.target/mips/code-readable-2.c: Allow the jump table address
	to be loaded from the constant pool, rather than via %hi and %lo.

libgcc/
2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
	    Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/libgcc-mips16.ver (__mips16_rdhwr): Add.
	* config/mips/mips16.S (__mips16_rdhwr): New function.
	* config/mips/t-mips16 (LIB1ASMFUNCS): Add _m16rdhwr.

From-SVN: r183195
 2012-01-15 18:22:55 +00:00
Georg-Johann Lay cba300dd7d re PR target/49868 (Implement named address space to place/access data in flash memory) 
libgcc/
	PR target/49868
	Extend __pgmx semantics to linearize memory.
	* config/avr/t-avr (LIB1ASMFUNCS): Add _xload_1, _movmemx.
	* config/avr/lib1funcs.S (__xload_1): New function.
	(__movmemx_qi, __movmemx_hi): New functions.
	(__xload_2, __xload_3, __xload_4): Rewrite to fit new __pgmx
	semantics.

gcc/
	PR target/49868
	Extend __pgmx semantics to linearize memory.
	* config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
	determine if code comes inline or from libgcc.
	(MOVMEM_r_d:HI): Add "w" to constraint for better preference.
	(movmem_qi, movmem_qi): Set constraint #2 to "n".
	(movmem_qi_elpm, movmem_hi_elpm): Remove insns.
	(movmemx_qi, movmemx_hi): New insns.
	(xload_<mode>_libgcc): Rewrite to new insn condition.
	(xload_<mode>): Remove insns.
	* config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
	cases that don't satisfy avr_xload_libgcc_p().
	(avr_addr_space_convert): Allow converting in any direction.
	(avr_addr_space_subset_p): Return always true.
	(avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
	(avr_emit_movmemhi): Ditto.
	(avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
	(avr_out_movmem): Ditto.
	(AVR_SYMBOL_FLAG_PROGMEM): New macro.
	(AVR_SYMBOL_SET_ADDR_SPACE): New macro.
	(AVR_SYMBOL_GET_ADDR_SPACE): New macro.
	(avr_encode_section_info): Encode 'progmem' in symbol flags.
	(output_reload_in_const): Don't zero-extend any 24-bit symbols.

From-SVN: r183058
 2012-01-10 09:42:10 +00:00
Eric Botcazou 3d137660a5 sol2-unwind.h (sparc64_is_sighandler): Check that the purported sigacthandler address isn't null before dereferencing it. 
* config/sparc/sol2-unwind.h (sparc64_is_sighandler): Check that the
	purported sigacthandler address isn't null before dereferencing it.
	(sparc_is_sighandler): Likewise.

From-SVN: r183020
 2012-01-09 18:20:55 +00:00
Eric Botcazou bf4db96c93 re PR ada/41929 (64-bit null_pointer_deref1 gnat.dg test consumes all available memory) 
PR ada/41929
	* config/sparc/sol2-unwind.h (sparc64_is_sighandler): Remove SAVPC and
	add CFA.  Revert back to old code for Solaris 8+ multi-threaded.
	(sparc_is_sighandler): Likewise.
	(MD_FALLBACK_FRAME_STATE_FOR): Adjust call to IS_SIGHANDLER.

From-SVN: r183005
 2012-01-09 09:50:19 +00:00
Tristan Gingold 1ab3568bd5 t-ia64 (LIB1ASMFUNCS): Move backward compatibility thunks... 
2012-01-06  Tristan Gingold  <gingold@adacore.com>

	* config/ia64/t-ia64 (LIB1ASMFUNCS): Move backward
	compatibility thunks...
	(CUSTOM_CRTSTUFF, crtbegin.o, crtend.o)
	(crtbeginS.o, crtendS.o): ... and these to ...
	* config/ia64/t-ia64-elf: ... this new file.
	* config.host (ia64*-*-elf*, ia64*-*-freebsd*, ia64*-*-linux*)
	(ia64*-*-hpux*): Add ia64/t-ia64-elf in tmake_file.

From-SVN: r182952
 2012-01-06 13:43:03 +00:00
Andreas Krebbel 925b0ed821 re PR bootstrap/51734 (Bootstrap fails in libada) 
config/
2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR bootstrap/51734
	* picflag.m4: Remove s390 case statement.

gcc/
2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* configure: Regenerate.

libada/
2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* configure: Regenerate.

libgcc/
2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* configure: Regenerate.
	* config/s390/t-crtstuff: Remove -fPIC.

libiberty/
2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* configure: Regenerate.

From-SVN: r182868
 2012-01-04 11:41:06 +00:00
Georg-Johann Lay 884f56d1e1 re PR target/51345 ([avr] Devices with 8-bit SP need their own multilib(s)) 
contrib/
	PR target/51345
	* gcc_update (files_and_dependencies): Add
	gcc/config/avr/t-multilib, gcc/config/avr/multilib.h.
	
libgcc/
	PR target/51345
	* config/avr/lib1funcs.S: Remove FIXME comments.
	(SPEED_DIV): Depend on __AVR_HAVE_8BIT_SP__.
gcc/	
	PR target/51345
	* config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
	(tmake_file target=avr): Add avr/t-multilib.

	* config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
	to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
	* config/avr/genmultilib.awk: New file.
	* config/avr/t-multilib: New auto-generated file.
	* config/avr/multilib.h: New auto-generated file.
	* config/avr/t-avr (AVR_MCUS): New variable.
	(genopt.sh): Use it.
	(s-mlib): Depend on t-multilib.
	(t-multilib, multilib.h): New dependencies.
	(s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
	(MULTILIB_OPTIONS): Remove.
	(MULTILIB_MATCHES): Remove.
	(MULTILIB_DIRNAMES): Remove.
	(MULTILIB_EXCEPTIONS): Remove:
	* config/avr/genopt.sh: Don't use hard coded file name;
	pass AVR_MCUS from t-avr instead.

From-SVN: r182797
 2012-01-02 12:51:57 +00:00
Georg-Johann Lay 8c57e5473e Implement light-weight DImode support. 
gcc/
	Implement light-weight DImode support.
	* config/avr/avr-dimode.md: New file.
	* config/avr/avr.md: Include it.
	(adjust_len): Add plus64, compare64.
	(HIDI): Remove code iterator.
	(code_stdname): New code attribute.
	(rotx, rotsmode): Remove DI.
	(rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
	as code iterator.
	* config/avr/avr-protos.h (avr_have_dimode): New.
	(avr_out_plus64, avr_out_compare64): New.
	* config/avr/avr.c (avr_out_compare): Handle DImode.
	(avr_have_dimode): New variable definition and initialization.
	(avr_out_compare64, avr_out_plus64): New functions.
	(avr_out_plus_1): Use simplify_unary_operation to negate xval.
	(adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
	(avr_compare_pattern): Skip DImode comparisons.

libgcc/
	Implement light-weight DImode support.
	* config/avr/t-avr (LIB1ASMFUNCS): Add _adddi3, _adddi3_s8,
	_subdi3, _cmpdi2, _cmpdi2_s8, _rotldi3.
	* config/avr/lib1funcs.S (__adddi3, __adddi3_s8, __subdi3,
	__cmpdi2, __cmpdi2_s8, __rotldi3): New functions.

From-SVN: r182794
 2012-01-02 12:30:56 +00:00
Ian Lance Taylor c9312a37c6 * config/i386/morestack.S: Simplify CFI opcodes throughout. 
From-SVN: r182609
 2011-12-22 00:09:39 +00:00
Tristan Gingold 8e1d97d43b fde-vms.c (UNW_IVMS_MODE): Define. 
2011-12-21  Tristan Gingold  <gingold@adacore.com>

	* config/ia64/fde-vms.c (UNW_IVMS_MODE): Define.

From-SVN: r182568
 2011-12-21 08:52:47 +00:00
Ian Lance Taylor a0c8d0c1e3 morestack.S (__morestack_non_split): If there is enough stack space already, don't split. 
* config/i386/morestack.S (__morestack_non_split): If there is
	enough stack space already, don't split.  Ask for more stack space
	than we required.

From-SVN: r182555
 2011-12-20 22:34:30 +00:00
Uros Bizjak 1bb4b6a35a linux-unwind.h: Update copyright years. 
* config/alpha/linux-unwind.h: Update copyright years.
	(MD_FROB_UPDATE_CONTEXT): New define.
	(alpha_frob_update_context): New function.

From-SVN: r182522
 2011-12-20 09:46:38 +01:00
Iain Sandoe 6a2045bfd3 rs6000.c (rs6000_emit_prologue): Move update of VRSave mask to save_world() when that is in use. 
gcc:

	* config/rs6000/rs6000.c  (rs6000_emit_prologue): Move update of
	VRSave mask to save_world() when that is in use.

libgcc:

	* config/rs6000/darwin-world.S (toplevel): Make it clear that this
	function is not used for PPC64.  
	(save_world): Amend comments.  Update the VRsave mask to reflect the
	saved regs.
	(rest_world): Update comments, do not  clobber r10, do not use r8.
	(eh_rest_world_r10): Amend comments, do not use r8.
	(rest_world_eh_r7r8): Rename as local Lrest_world_eh_r7, since r8 is
	no longer used, move restore of CR and target address to the end of
	the routine.

From-SVN: r182376
 2011-12-15 15:52:08 +00:00
Georg-Johann Lay d7288dfb9f re PR target/50931 ([avr] Support a 24-bit scalar integer mode) 
libgcc/
	PR target/50931
	* config/avr/t-avr (LIB1ASMSRC): Add _mulpsi3, _mulsqipsi3.
	* config/avr/lib1funcs.S (__mulpsi3, __mulsqipsi3): New functions.
gcc/
	PR target/50931
	* config/avr/avr.md (mulpsi3): New expander.
	(*umulqihipsi3, *umulhiqipsi3): New insns.
	(*mulsqipsi3.libgcc, *mulpsi3.libgcc): New insns.
	(mulsqipsi3, *mulpsi3): New insn-and-splits.
	(ashlpsi3): Turn to expander.  Move insn code to...
	(*ashlpsi3): ...this new insn.
testsuite/
	PR target/50931
	* gcc.target/avr/torture/int24-mul.c: New testcase.

From-SVN: r182328
 2011-12-14 10:00:56 +00:00
Eric Botcazou 8d2c862dfe * config/sparc/sol2-unwind.h: Use #ifdef directive consistently. 
From-SVN: r182204
 2011-12-11 11:23:15 +00:00
Georg-Johann Lay 3447cae6cc re PR target/49313 (Inefficient libgcc implementations for avr) 
PR target/49313
	* config/avr/t-avr (LIB1ASMFUNCS): Add _muldi3.
	* config/avr/lib1funcs.S (__muldi3): New function.

From-SVN: r182160
 2011-12-09 12:02:06 +00:00
Georg-Johann Lay 28c5e6b58f Forward-port from gcc-4_6-branch r181936 2011-12-02. 
libgcc/
	Forward-port from gcc-4_6-branch r181936 2011-12-02.

	PR target/51345
	PR target/51002
	* config/avr/lib1funcs.S (__prologue_saves__,
	__epilogue_restores__, __divdi3_moddi3): Enclose parts using
	__SP_H__ in !defined (__AVR_HAVE_8BIT_SP__).  Add FIXME comments.

gcc/
	Forward-port from gcc-4_6-branch r181936 2011-12-02.

	PR target/51002
	* config/avr/avr.md (movhi_sp_r): Set insn condition to
	!AVR_HAVE_8BIT_SP.
	* config/avr/avr.c (output_movhi): Use "clr%B0" instead of "in
	%B0,__SP_H__" if AVR_HAVE_8BIT_SP.
	(avr_file_start): Only print "__SP_H__ = 0x3e" if !AVR_HAVE_8BIT_SP.

From-SVN: r182052
 2011-12-06 15:04:09 +00:00
Iain Sandoe 8f90394af7 t-darwin64 (LIB2ADD): Add fp and gp save routines. 
libgcc:

	* config/rs6000/t-darwin64 (LIB2ADD): Add fp and gp save routines.

From-SVN: r181991
 2011-12-04 15:46:28 +00:00
John David Anglin 06dd33ac5e re PR other/51272 (ld: Unsatisfied symbol "_ITM_registerTMCloneTable" in file /test/gnu/gcc/objdir/) 
PR other/51272
	* config/pa/stublib.c (_ITM_registerTMCloneTable): New stub.
	(_ITM_deregisterTMCloneTable): Likewise.
	(__register_frame_info): Fix unused warning.
	(__deregister_frame_info, __cxa_finalize, _Jv_RegisterClasses,
	pthread_default_stacksize_np): Likewise.
	* config/pa/t-stublib (LIBGCCSTUB_OBJS): Add new objects and rules.

From-SVN: r181870
 2011-12-01 02:37:06 +00:00
DJ Delorie 85b8555ed3 . 
* configure.ac (rl78-*-*) New case.
	* configure: Regenerate.
	* MAINTAINERS: Add myself as RL78 maintainer.

libgcc
	* config.host (rl78-*-elf): New case.
	* config/rl78: New directory for the Renesas RL78.

gcc
	* config.gcc (rl78-*-elf): New case.
	* doc/extend.texi: Add RL78 documentation.
	* doc/invoke.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/contrib.texi: Add RL78.
	* doc/install.texi: Add rl78-*-elf.
	* config/rl78: New directory for the Renesas RL78.

contrib
	* config-list.mk (LIST): Add rl78-elf.

From-SVN: r181819
 2011-11-29 16:36:43 -05:00
Rainer Orth f9c55897eb Cleanup rs6000/t-ppccomm configurations (PR other/51022) 
PR other/51022
	* config/rs6000/t-savresfgpr: New file.
	* config/rs6000/t-ppccomm (LIB2ADD_ST): Remove all but
	$(srcdir)/config/rs6000/eabi.S.
	* config/rs6000/t-ppccomm-ldbl: Remove.
	* config.host (powerpc-*-freebsd*): Add rs6000/t-savresfgpr to
	tmake_file.
	(powerpc-*-eabispe*): Likewise.
	(powerpc-*-eabi*): Likewise.
	(powerpc-*-linux*, powerpc64-*-linux*): Likewise.
	(powerpc-wrs-vxworks, powerpc-wrs-vxworksae): Add rs6000/t-ppccomm
	to tmake_file, remove rs6000/t-ppccomm-ldbl.
	(powerpc-*-eabisimaltivec*): Remove rs6000/t-ppccomm-ldbl from
	tmake_file.
	(powerpc-*-eabisim*): Likewise.
	(powerpc-*-elf*): Likewise.
	(powerpc-*-eabialtivec*): Likewise.
	(powerpc-xilinx-eabi*): Likewise.
	(powerpc-*-rtems*): Likewise.
	(powerpcle-*-elf*): Likewise.
	(powerpcle-*-eabisim*): Likewise.
	(powerpcle-*-eabi*): Likewise.

From-SVN: r181782
 2011-11-28 16:02:10 +00:00
Iain Sandoe 2b0b8ab2a6 darwin-crt-tm.c: Correct comments, use correct licence. 
libgcc:

	* config/darwin-crt-tm.c: Correct comments, use correct licence.

From-SVN: r181765
 2011-11-27 13:57:01 +00:00
Iain Sandoe c1d8101c1d darwin-crt-tm.c: Remove dummy _ITM_ functions. 
libgcc:

	* config/darwin-crt-tm.c: Remove dummy _ITM_ functions.

From-SVN: r181764
 2011-11-27 13:52:49 +00:00
Richard Henderson 8b281334a0 m68k-linux: Implement atomic operations via syscall. 
libgcc/
	* config/m68k/linux.h (TARGET_INIT_LIBFUNCS): New.
	* config/m68k/m68k.c (m68k_init_sync_libfuncs): New.
gcc/
	* config/m68k/linux-atomic.c: New file.
	* config/m68k/t-linux: New file.
	* config.host (m68k-uclinux, m68k-linux): Use it.

From-SVN: r181746
 2011-11-26 15:57:37 -08:00
Iain Sandoe e2362f5de0 darwin.h (ENDFILE_SPEC): New. 
gcc:

	*  config/darwin.h (ENDFILE_SPEC): New.
	(DARWIN_CRT1_SPEC): Add crttms.o.
	(STARTFILE_SPEC): Likewise for dynamic libs and bundles.
	* config/i386.h (ENDFILE_SPEC): Amend to include crttme.o.

libgcc:

	* config/darwin-crt-tm.c: New file.
	* config.host (darwin): Build crttms.o crttme.o to provide
	startup and shutdown for tm clones.
	* config/t-darwin (crttms.o): New build rule.
	(crttme.o): Likewise.

From-SVN: r181616
 2011-11-22 13:51:07 +00:00
Rainer Orth d4b4b54263 Fix LIB2ADD overrides in libgcc 
* config.host (iq2000*-*-elf*): Add iq2000/t-iq2000 to tmake_file.
	(powerpc-*-netbsd*): Add rs6000/t-netbsd to tmake_file.
	(powerpc-wrs-vxworks, powerpc-wrs-vxworksae): Add to tmake_file.
	(powerpc-*-lynxos*): Add rs6000/t-lynx to tmake_file.
	* config/i386/t-darwin64: Remove.
	* config/sh/t-netbsd (LIB2ADD): Remove.

From-SVN: r181587
 2011-11-21 16:13:13 +00:00
Georg-Johann Lay 989bdb7461 re PR target/49313 (Inefficient libgcc implementations for avr) 
PR target/49313
	* config/avr/t-avr (LIB2FUNCS_EXCLUDE): Add _moddi3, _umoddi3.
	(LIB1ASMFUNCS): Add _divdi3, _udivdi3, _udivmod64, _negdi2.
	* config/avr/lib1funcs.S (wmov): New assembler macro.
	(__umoddi3, __udivdi3, __udivdi3_umoddi3): New functions.
	(__moddi3, __divdi3, __divdi3_moddi3): New functions.
	(__udivmod64): New function.
	(__negdi2): New function.

From-SVN: r181551
 2011-11-21 08:56:44 +00:00
Georg-Johann Lay 7bc6df2ca1 re PR target/49868 (Implement named address space to place/access data in flash memory) 
gcc/
	PR target/49868
	* config/avr/avr.h (base_arch_s): Add field n_segments.
	(ADDR_SPACE_PGM1, ADDR_SPACE_PGM2, ADDR_SPACE_PGM3,
	ADDR_SPACE_PGM4, ADDR_SPACE_PGM5, ADDR_SPACE_PGMX): New address spaces.
	(AVR_HAVE_ELPM, AVR_HAVE_ELPMX): New defines.
	(INIT_EXPANDERS): New define.
	* config/avr/avr-protos.h (avr_mem_pgmx_p): New.
	(avr_init_expanders): New.
	(avr_emit_movmemhi, avr_out_movmem): New.
	(avr_xload_libgcc_p): New.
	* config/avr/avr-c.c (avr_register_target_pragmas): Register
	address spaces __pgm1, __pgm2,  __pgm3,  __pgm4  __pgm5,  __pgmx.
	(avr_cpu_cpp_builtins): Add built-in defines __PGM1,
	__PGM2, __PGM3, __PGM4, __PGM5, __PGMX.
	* config/avr/avr-devices.c (avr_arch_types): Set field n_segments.

	* config/avr/avr.c (AVR_SECTION_PROGMEM): Change define to cover
	3 bits instead of just 1.
	(xstring_empty, xstring_e, rampz_rtx): New static GTYed variables.
	(progmem_section): Change from section to array of sections.
	(progmem_section_prefix): New static variable.
	(avr_file_start): Print set for __RAMPZ__
	(avr_option_override): Move initialization of RTXes from here...
	(avr_init_expanders): ...to this new function.
	(avr_pgm_segment): New static function.
	(avr_decl_pgm_p): Handle error_mark_node.
	(avr_mem_pgmx_p, avr_decl_pgmx_p): New static functions.
	(avr_out_xload,	avr_find_unused_d_reg): New static functions.
	(expand_prologue, expand_epilogue): Use rampz_rtx.
	(print_operand): Hande CONST_STRING.
	(avr_xload_libgcc_p): New static function.
	(avr_out_lpm_no_lpmx, avr_out_lpm): Handle ELPM.
	(avr_progmem_p): Return 2 for 24-bit flash address space.
	(avr_out_sbxx_branch): Clean-up code from ASn macros.
	(out_movqi_r_mr, out_movqi_mr_r): Ditto. And recognize RAMPZ's
	address and print symbolically.
	(avr_asm_named_section, avr_section_type_flags,
	avr_encode_section_info, avr_asm_select_section,
	avr_addr_space_address_mode, avr_addr_space_pointer_mode,
	avr_addr_space_legitimate_address_p, avr_addr_space_convert,
	avr_addr_space_legitimize_address): Handle new address spaces.
	(avr_output_progmem_section_asm_op): New static function.
	(avr_asm_init_sections): Initialize progmem_section[].
	(adjust_insn_length): Handle ADJUST_LEN_XLOAD, ADJUST_LEN_MOVMEM.
	(avr_const_address_lo16): New static function.
	(avr_assemble_integer): Use it to handle 3-byte integers.
	(avr_emit_movmemhi, avr_out_movmem): New functions.
	
	* config/avr/predicates.md (nox_general_operand): Handle new
	address spaces.
	* config/avr/avr.md (unspec): Add UNSPEC_MOVMEM.
	(adjust_len): Add xload, movmem.
	(SP_ADDR): New define_constants.
	(isa): Add "lpm", "lpmx", "elpm", "elpmx".
	(enabled): Handle them.
	(load<mode>_libgcc): New expander.
	(*load.<mode>.libgcc): Rename to load_<mode>_libgcc.
	(xload8_A, xload<mode>_A): New insn-and-splits.
	(xload_8, xload_<mode>_libgcc, xload_<mode>, loadmem_elpm): New insns.
	(mov<mode>): Handle new address spaces.
	(movmemhi): Rewrite using avr_emit_movmemhi.
	(MOVMEM_r_d): New mode attribute.
	(movmem_<mode>, movmem_qi_elpm): New insns.
	(setmemhi, *clrmemqi, *clrmemhi, strlenhi, *strlenhi): Unquote
	C-code.  Use label instead of hard-coded instrunction lengths.
	
libgcc/
	PR target/49868
	* config/avr/t-avr (LIB1ASMFUNCS): Add _xload_2 _xload_3 _xload_4.
	* config/avr/lib1funcs.S (__xload_2, __xload_3, __xload_4):
	New functions.

From-SVN: r181482
 2011-11-18 16:44:00 +00:00
Matthew Gretton-Dann 425d737b36 lib1funcs.asm (udivsi3): Add support for divide functions. 
2011-11-16  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	* config/arm/lib1funcs.asm (udivsi3): Add support for divide
	functions.
	(aeabi_uidivmod): Likewise.	
	(umodsi3): Likewise.
	(divsi3): Likewise.
	(aeabi_idivmod): Likewise.
	(modsi3): Likewise.

From-SVN: r181419
 2011-11-16 18:02:12 +00:00
Tristan Gingold f2a176dcf5 qrnnd.S: Use specific pseudos for VMS. 
2011-11-16  Tristan Gingold  <gingold@adacore.com>

	* config/alpha/qrnnd.S: Use specific pseudos for VMS.

From-SVN: r181403
 2011-11-16 08:36:46 +00:00
Georg-Johann Lay 7c20948114 re PR target/49868 (Implement named address space to place/access data in flash memory) 
gcc/
	PR target/49868
	* config/avr/avr.h (ADDR_SPACE_PGM): New address spaces.
	(REGISTER_TARGET_PRAGMAS): New define.
	* config/avr/avr-protos.h (avr_mem_pgm_p): New.
	(avr_load_libgcc_p): New.
	(asm_output_external_libcall): Remove.
	(avr_register_target_pragmas): New.
	(avr_log_t): Add field "progmem".  Order alphabetically.
	* config/avr/avr-log.c (avr_log_set_avr_log): Set avr_log.progmem.
	* config/avr/avr-c.c (langhooks.h): New include.
	(avr_register_target_pragmas): New function. Register address
	space __pgm.
	(avr_cpu_cpp_builtins): Add built-in define __PGM.
	* config/avr/avr.c: Include "c-family/c-common.h".
	(TARGET_LEGITIMATE_ADDRESS_P): Remove define.
	(TARGET_LEGITIMIZE_ADDRESS): Remove define.
	(TARGET_ADDR_SPACE_SUBSET_P): Define to...
	(avr_addr_space_subset_p): ...this new static function.
	(TARGET_ADDR_SPACE_CONVERT): Define to...
	(avr_addr_space_convert): ...this new static function.
	(TARGET_ADDR_SPACE_ADDRESS_MODE): Define to...
	(avr_addr_space_address_mode): ...this new static function.
	(TARGET_ADDR_SPACE_POINTER_MODE): Define to...
	(avr_addr_space_pointer_mode): ...this new static function.
	(TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define to...
	(avr_addr_space_legitimate_address_p): ...this new static function.
	(TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Define to...
	(avr_addr_space_legitimize_address): ...this new static function.
	(avr_mode_code_base_reg_class): Handle address spaces.
	(avr_regno_mode_code_ok_for_base_p): Ditto.
	(lpm_addr_reg_rtx, lpm_reg_rtx, all_regs_rtx): New static variables.
	(avr_option_override): Initialize them.
	(output_reload_in_const): Use all_regs_rtx. Fix signedness of loop
	variables.
	(avr_pgm_segment): New static function.
	(avr_decl_pgm_p, avr_mem_pgm_p): New static functions.
	(avr_out_lpm, avr_out_lpm_no_lpmx): New static functions.
	(output_movqi, output_movhi, output_movsisf, avr_out_movpsi): Call
	avr_out_lpm to handle loads from progmem.
	(avr_load_libgcc_p): New static function.
	(avr_progmem_p): Test if decl is in flash.
	(avr_pgm_pointer_const_p): New static function.
	(avr_nonconst_pointer_addrspace): New static function.
	(avr_pgm_check_var_decl): New static function.
	(avr_insert_attributes): Use it.  Change error message to report
	cause (progmem or address space) when code wants to write to flash.
	(avr_section_type_flags): Unset section flag SECTION_BSS for
	data in progmem.
	* config/avr/predicates.md (nop_general_operand): New predicate.
	(nox_general_operand): New predicate.
	* config/avr/avr.md (LPM_REGNO): New define_constant.
	(load<mode>_libgcc): New expander.
	(*load.<mode>.libgcc): New insn.
	(mov<mode>): Handle loads from non-generic AS.
	(movmemhi): Ditto.  Propagate address space information to newly
	created MEM.
	(movqi_insn, *movhi, *movpsi, *movsi, *movsf): Change predicate #1
	to nox_general_operand.
	(ashrqi3, ashrhi3, ashrsi3): Change predicate #1 to nop_general_operand.
	(ashlqi3, *ashlqi3, ashlhi3, ashlsi3): Ditto.
	(lshrqi3, *lshrqi3, lshrhi3, lshrsi3): Ditto.
	(split-lpmx): New split.
	(*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
	*lshrhi3_const, *lshrsi3_const): Indent, unquote C.

libgcc/
	PR target/49868
	* config/avr/t-avr (LIB1ASMFUNCS): Add _load_3,  _load_4.
	* config/avr/lib1funcs.S (__load_3, __load_4, __xload_2): New functions.

From-SVN: r181378
 2011-11-15 09:01:46 +00:00
John David Anglin 9dfd583288 config.host (hppa*64*-*-hpux11*): Remove pa/t-stublib64 from tmake_file list. 
* config.host (hppa*64*-*-hpux11*): Remove pa/t-stublib64 from
	tmake_file list.
	* config/pa/t-stublib: Merge rules from config/pa/t-stublib64.
	* config/pa/t-stublib64: Delete.

From-SVN: r181339
 2011-11-13 20:17:01 +00:00
Richard Henderson f77dca5d23 ppc-linux: Fix call to _Unwind_SetGRPtr 
* config/rs6000/linux-unwind.h (frob_update_context): Properly
        cast the pointer argument to _Unwind_SetGRPtr.

From-SVN: r181325
 2011-11-12 09:20:58 -08:00
Rainer Orth 902828f01c Fix SPU libgcc build 
* config/spu/t-elf (LIB2ADD): Use LIB2FUNCS_EXCLUDE instead.

From-SVN: r181291
 2011-11-11 16:49:22 +00:00
Ian Lance Taylor e14304eff5 generic-morestack.c: Include <string.h>. 
libgcc/:
	* generic-morestack.c: Include <string.h>.
	(uintptr_type): Define.
	(struct initial_sp): Add dont_block_signals field.  Reduce size of
	extra array by 1.
	(allocate_segment): Set prev field to NULL.  Don't set
	__morestack_current_segment or __morestack_segments.
	(__generic_morestack): Update current->prev and *pp after calling
	allocate_segment.
	(__morestack_block_signals): Don't do anything if
	dont_block_signals is set.
	(__morestack_unblock_signals): Likewise.
	(__generic_findstack): Check for initial_sp == NULL.  Add casts to
	uintptr_type.
	(__splitstack_block_signals): New function.
	(enum __splitstack_content_offsets): Define.
	(__splitstack_getcontext, __splitstack_setcontext): New functions.
	(__splitstack_makecontext): New function.
	(__splitstack_block_signals_context): New function.
	(__splitstack_find_context): New function.
	* config/i386/morestack.S (__morestack_get_guard): New function.
	(__morestack_set_guard, __morestack_make_guard): New functions.
	* libgcc-std.ver.in: Add new functions to GCC_4.7.0.

gcc/testsuite/:
	* lib/target-supports.exp (check_effective_target_ucontext_h): New
	procedure.
	* gcc.dg/split-5.c: New test.

From-SVN: r181234
 2011-11-09 20:06:31 +00:00
Rainer Orth e55cef40ed Build softfp for c6x 
* config/c6x/t-elf (LIB2ADD): Add instead of assigning.

From-SVN: r181173
 2011-11-08 16:50:37 +00:00