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270 Commits

Author SHA1 Message Date
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
Richard Sandiford
eb0287685d config.host (mips*-sde-elf*, [...]): Add to tmake_file rather replacing it. 
libgcc/
	* config.host (mips*-sde-elf*, mipsisa64sr71k-*-elf*): Add to
	tmake_file rather replacing it.

From-SVN: r182431
 2011-12-17 11:32:20 +00:00
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
H.J. Lu
a13780a666 Check __GLIBC__ when using __SIGRTMIN 
2011-12-14  H.J. Lu  <hongjiu.lu@intel.com>

	* generic-morestack.c (__generic_morestack_set_initial_sp): Check
	__GLIBC__ instead of __linux__ when using __SIGRTMIN.

From-SVN: r182342
 2011-12-14 10:49:16 -08:00
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
Andrew Pinski
806fc6aa98 crtstuff.c (__do_global_dtors_aux_fini_array_entry): Align to the size of func_ptr. 
2011-12-06  Andrew Pinski  <apinski@cavium.com>

	* crtstuff.c (__do_global_dtors_aux_fini_array_entry): Align to the
	size of func_ptr.
	(__frame_dummy_init_array_entry): Likewise.

From-SVN: r182066
 2011-12-06 13:35:41 -08:00
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
Bernd Schmidt
4d5ae4eadc config.host (tic6x-*-uclinux): Append to extra_parts. 
* config.host (tic6x-*-uclinux): Append to extra_parts.  Fix
	formatting.

From-SVN: r181805
 2011-11-29 15:55:38 +00:00
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
Ian Lance Taylor
a01207c473 generic-morestack.c (__splitstack_find): Check for NULL old stack value. 
* generic-morestack.c (__splitstack_find): Check for NULL old
	stack value.
	(__splitstack_resetcontext): New function.
	(__splitstack_releasecontext): New function.
	* libgcc-std.ver.in: Add new functions to GCC_4.7.0.

From-SVN: r181771
 2011-11-28 05:44:31 +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
Richard Henderson
7546aa9db2 crtstuff: adjust tm clones for no attribute hidden 
* crtstuff.c (__TMC_LIST__): Mark used not unused.
        (__TMC_END__): Only declare if hidden is available; in the definition,
        if hidden is unavailable add a null record.
        (deregister_tm_clones, register_tm_clones): New.
        (__do_global_dtors_aux, frame_dummy): Use them.
        (__do_global_dtors, __do_global_ctors_1): Likewise.

From-SVN: r181744
 2011-11-26 13:16:49 -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
Hans-Peter Nilsson
6685dd96b2 Makefile.in ($(srcdir)/emutls.c): Explain why it's in LIB2ADDEH et al. 
* Makefile.in ($(srcdir)/emutls.c): Explain why it's in LIB2ADDEH
	et al.

From-SVN: r181608
 2011-11-22 03:01:02 +00:00
Richard Henderson
b0dc7e4c34 Fix crtstuff merge error with transactional-memory branch. 
* crtstuff.c (USE_TM_CLONE_REGISTRY): Default to 1 on ELF.
        (__TMC_LIST__, __TMC_END__): New.
        (__do_global_dtors_aux): Call _ITM_deregisterTMCloneTable.
        (__do_global_dtors): Likewise.
        (frame_dummy): Call _ITM_registerTMCloneTable.
        (__do_global_ctors_1): Likewise.

From-SVN: r181600
 2011-11-21 14:10:06 -08:00
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
Gerald Pfeifer
515a0cfc80 * config.host (*-*-freebsd[12], *-*-freebsd[12].*, 
*-*-freebsd*aout*): Remove.

From-SVN: r181550
 2011-11-21 02:29:09 +00:00
Hans-Peter Nilsson
0115d17f16 static-object.mk (c_flags-$o): Save c_flags. 
* static-object.mk (c_flags-$o): Save c_flags.
	($(base)$(objext)): Use it.

From-SVN: r181544
 2011-11-21 00:41:12 +00:00
Steve Ellcey
93aeb62b9e Makefile.in (c_flags): Set to -fno-exceptions to build libunwind. 
2011-11-18  Steve Ellcey  <sje@cup.hp.com>

	* Makefile.in (c_flags): Set to -fno-exceptions to build libunwind.

From-SVN: r181495
 2011-11-18 22:26:44 +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
e3d871e475 Use t-mingw-pthread on MingW 
* config.host (i[34567]86-*-cygwin*): Move i386/t-mingw-pthread ...
	(i[34567]86-*-mingw*): ... here.
	(x86_64-*-mingw*): ... here.

From-SVN: r181203
 2011-11-09 13:11:47 +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
Nathan Sidwell
5366b18679 libgcov.c (struct gcov_fn_buffer): New struct. 
libgcc/
	* libgcov.c (struct gcov_fn_buffer): New struct.
	(buffer_fn_data): New helper.
	(gcov_exit): Rework for new gcov data structures.

	gcc/
	* gcov.c (object_summary): Replace with ...
	(object_runs): ... this.
	(process_file): Remove functions with no data.
	(generate_results): Ignore files with no lines.
	(release_function): New helper, broken out of ...
	(release_structures): ... here.  Use it.
	(read_count_file): Adjust for new data file format.
	(output_lines): Use object_runs.
	* gcov-io.h (GCOV_TAG_OBJECT_SUMMARY): Obsolete.
	(struct gcov_ctr_info): Move definition.
	(struct gcov_fn_info): Add key field, use gcov_ctr_info for
	trailing array.
	(struct gcov_info): Add merge function array, remove mask and
	counts.  Trailing array is array of pointers to function info.
	* coverage.c (struct function_list): Replace counter numbers with
	counter arrays.  Add fndecl field.  GTYify.
	(counts_entry): Remove chain workspace.
	(functions_head): GTYify.
	(prg_n_ctrs): Remove.
	(fn_v_ctrs): New.
	(tree_ctr_tables): Remove.
	(read_counts_file): Cope with blank entries and expect program
	summaries before functions.  Don't warn on missing entries.
	(coverage_counter_alloc): Allocate individual function arrays.
	(tree_coverage_counter_ref, tree_coverage_counter_addr): Adjust
	for individual function arrays.
	(coverage_end_function): GTYify function list object. Finalize
	function's counter arrays.
	(build_var): New.  Create a counter-related variable with
	appropriate linkage.
	(build_fn_info_type): Adjust for new runtime structure.
	(build_fn_info_value): Rename to ...
	(build_fn_info): ... here.  Build new format data.
	(build_ctr_info_type, build_ctr_info_value): Remove.
	(build_info_type): New. Build new format data structure.
	(build_info): Adjust for new format data.
	(create_coverage): Likewise.
	* gcov-dump.c (tag_function): Recognize placeholders.

	gcc/testsuite/
	* gcc.dg/profile-dir-1.c: Adjust final scan.
	* gcc.dg/profile-dir-2.c: Adjust final scan.
	* gcc.dg/profile-dir-3.c: Adjust final scan.
	* gcc.misc-tests/gcov.exp: Adjust regexp.
	* gcc.misc-tests/gcov-12.c: New.
	* gcc.misc-tests/gcov-13.c: New.
	* gcc.misc-tests/gcovpart-13b.c: New.
	* gcc.misc-tests/gcov-14.c: New.

From-SVN: r181105
 2011-11-07 18:14:46 +00:00
Georg-Johann Lay
74155a6f37 re PR target/49313 (Inefficient libgcc implementations for avr) 
PR target/49313
	* config/avr/lib1funcs.S (__divmodhi4, __divmodsi4): Tweak speed.

From-SVN: r181104
 2011-11-07 18:08:35 +00:00
Rainer Orth
200feb074b Append to HOST_LIBGCC2_CFLAGS in libgcc 
* config.host (tmake_file): Correct comment.
	(bfin*-elf*): Remove bfin/t-elf from tmake_file, add
	t-libgcc-pic.
	(bfin*-uclinux*): Likewise.
	(bfin*-linux-uclibc*): Likewise.
	(xstormy16-*-elf): Add stormy16/t-stormy16 to tmake_file.

	* config/arm/t-elf (HOST_LIBGCC2_CFLAGS): Append instead of
	assigning.
	* config/arm/t-strongarm-elf (HOST_LIBGCC2_CFLAGS): Likewise.
	* config/avr/t-avr (HOST_LIBGCC2_CFLAGS): Likewise.
	* config/c6x/t-elf (HOST_LIBGCC2_CFLAGS): Likewise.
	* config/h8300/t-h8300 (HOST_LIBGCC2_CFLAGS): Likewise.
	* config/lm32/t-elf (HOST_LIBGCC2_CFLAGS): Likewise.
	* config/m32r/t-m32r (HOST_LIBGCC2_CFLAGS): Likewise.
	* config/mcore/t-mcore (HOST_LIBGCC2_CFLAGS): Likewise.
	* config/mips/t-elf (HOST_LIBGCC2_CFLAGS): Likewise.
	* config/mmix/t-mmix (HOST_LIBGCC2_CFLAGS): Likewise.
	* config/pdp11/t-pdp11 (HOST_LIBGCC2_CFLAGS): Likewise.
	* config/picochip/t-picochip (HOST_LIBGCC2_CFLAGS): Likewise.
	* config/stormy16/t-stormy16 (HOST_LIBGCC2_CFLAGS): Likewise.
	* config/t-openbsd-thread (HOST_LIBGCC2_CFLAGS): Likewise.

	* config/bfin/t-elf: Remove.
	* config/t-vxworks (HOST_LIBGCC2_CFLAGS): Remove.

From-SVN: r181098
 2011-11-07 17:14:32 +00:00
Rainer Orth
c9cd1a07b0 Consistently use t-rtems in libgcc 
* config.host (*-*-rtems*): Add t-rtems to tmake_file.
	(i[34567]86-*-rtems*): Remove t-rtems from tmake_file.
	(lm32-*-elf*, lm32-*-rtems*): Split into ...
	(lm32-*-elf*): ... this.
	(lm32-*-rtems*): ... and this.
	Add to tmake_file.
	(m32r-*-rtems*): Add to tmake_file.
	(moxie-*-rtems*): Likewise.
	(sparc-*-rtems*): Likewise.
	Remove t-rtems from tmake_file.
	(sparc64-*-rtems*): Likewise.
	* config/t-rtems (HOST_LIBGCC2_CFLAGS): Use LIBGCC2_INCLUDES
	instead.

From-SVN: r181097
 2011-11-07 17:12:33 +00:00
Rainer Orth
9fbcc75d56 Return gthr-posix.h to libgcc (PR bootstrap/50982) 
libgcc:
	PR bootstrap/50982
	* config/gthr-posix.h: Move ...
	* gthr-posix.h: ... here.
	* config/gthr-lynx.h: Reflect this.
	* config/gthr-vxworks.h: Likewise.
	* config/rs6000/gthr-aix.h: Likewise.
	* configure.ac (target_thread_file): Likewise.
	* configure: Regenerate.

	libstdc++-v3:
	PR bootstrap/50982
	* include/Makefile.am (${host_builddir}/gthr-posix.h): Reflect
	gthr-posix.h move.
	* include/Makefile.in: Regenerate.

From-SVN: r181095
 2011-11-07 16:34:31 +00:00
Sebastian Huber
76644b6874 config.host (arm*-*-rtemseabi*): New target. 
2011-11-06  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config.host (arm*-*-rtemseabi*): New target.

From-SVN: r181065
 2011-11-07 04:22:39 +01:00
John David Anglin
5e490f2a35 re PR other/50991 (crtstuff.c:65:23: fatal error: libgcc_tm.h: No such file or directory) 
PR other/50991
	* Makefile.in: Make EXTRA_PARTS depend on libgcc_tm.h instead of
	extra-parts.

From-SVN: r181039
 2011-11-06 19:24:19 +00:00
Joern Rennecke
feeeff5cfe config.gcc (epiphany-*-*): New architecture. 
gcc:
        * config.gcc (epiphany-*-*): New architecture.
        (epiphany-*-elf): New configuration.
        * config/epiphany, common/config/epiphany : New directories.
        * doc/extend.texi (disinterrupt attribute): Add Epiphany.
        (interrupt attribute): Add Epiphany.
        (long_call, short_call attribute): Add Epiphany.
        * doc/invoke.texi (Options): Add Epiphany options.
        * doc/md.texi (Machine Constraints): Add Epiphany constraints.
        * doc/install.texi (Options specification):
        Add --with-stack-offset=@var{num} description.
        (host/target specific issues): Add epiphany-*-elf.
        * doc/contrib.texi (Contributors): Mention Epiphany port.
gcc/testsuite:
        * gcc.c-torture/execute/ieee/mul-subnormal-single-1.x:
        Disable test on Epiphany.
        * gcc.c-torture/execute/20101011-1.c: Disable test on Epiphany.
        * gcc.dg/stack-usage-1.c [__epiphany__] (SIZE): Define.
        * gcc.dg/pragma-pack-3.c: Disable test on Epiphany.
        * g++.dg/parse/pragma3.C: Likewise.
        * stackalign/builtin-apply-2.c (STACK_ARGUMENTS_SIZE): Define.
        (bar): Use it.
        * gcc.dg/weak/typeof-2.c [epiphany-*-*]: Add option -mshort-calls.
        * gcc.dg/tls/thr-cse-1.c: Likewise.
        * g++.dg/opt/devirt2.C: Likewise.
        * gcc.dg/20020312-2.c [epiphany-*-*] (PIC_REG): Define.
        * gcc.dg/builtin-apply2.c [__epiphany__]: (STACK_ARGUMENTS_SIZE): 20.
        * gcc.target/epiphany: New directory.
libgcc:
        * config.host (epiphany-*-elf*): New configuration.
        * config/epiphany: New Directory.
contrib:
        * contrib-list.mk: Add Epiphany configurations.

From-SVN: r181016
 2011-11-05 20:48:23 +00:00
Ralf Corsepius
d618bb2c86 config.host (avr-*-rtems*): Add config/avr/t-rtems. 
2011-11-05  Ralf Corsépius  <ralf.corsepius@rtems.org>

	* config.host (avr-*-rtems*): Add config/avr/t-rtems.
	* config/avr/t-rtems: New.
	Filter out _exit from LIB1ASMFUNCS.

From-SVN: r181003
 2011-11-05 05:45:12 +01:00
David S. Miller
1bb6f77823 Tweak libgcc configure test for 64-bit. 
libgcc/

	* configure.ac: Test for 64-bit addresses on !x86 using __LP64__.
	* configure: Rebuild.

From-SVN: r181000
 2011-11-04 19:46:21 -07:00
Andreas Krebbel
9a7f74222c t-crtstuff: Add -fPIC to CRTSTUFF_T_CFLAGS_S variable. 
2011-11-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/t-crtstuff: Add -fPIC to CRTSTUFF_T_CFLAGS_S
	variable.

From-SVN: r180976
 2011-11-04 19:05:36 +00:00
Georg-Johann Lay
e4fe948a6e re PR target/50931 ([avr] Support a 24-bit scalar integer mode) 
gcc/
	PR target/50931
	* config/avr/avr-modes.def: New file defining PSImode.
	* config/avr/avr-c.c (__INT24_MAX__, __INT24_MIN__,
	__UINT24_MAX__): New built-in defines.
	* config/avr/avr.md (adjust_len): Add tstpsi, mov24,  reload_in24,
	ashlpsi, ashrpsi, lshrpsi.
	(QISO, QIDI, HISI, HIDI, MPUSH, rotx, rotsmode): Add PSI.
	(MOVMODE): New mode iterator.
	(movpsi): New expander.
	(movqi, movhi, movsi, movsf, movpsi): Write as one using MOVMODE.
	(*reload_inpsi, *movpsi): New insns.
	(*reload_inpsi): New RTL peephole.
	(addpsi3, *addpsi3_zero_extend.qi, *addpsi3_zero_extend.hi,
	*addpsi3_sign_extend.hi): New insns.
	(subpsi3, *subpsi3_zero_extend.qi, *subpsi3_zero_extend.hi,
	*subpsi3_sign_extend.hi): New insns.
	(divmodpsi4, udivmodpsi4): New define insn-and-split.
	(*divmodpsi4_call, *udivmodpsi4_call): New insns.
	(andpsi3, iorpsi3, xorpsi3): New insns.
	(*rotlpsi2.1, *rotlpsi2.23): New insns.
	(*rotw<mode>): Insn condition only allow even-sized modes.
	(*rotb<mode>): Insn condition allows odd-sized modes.
	(ashlpsi3, ashrpsi3, lshrpsi3, *addpsi3.lt0): New insns.
	(negpsi2, one_cmplpsi2): New insns.
	(extendqipsi2, extendhipsi2, extendpsisi2): New insns.
	(zero_extendqipsi2, zero_extendhipsi2, zero_extendpsisi2): New
	insn-and-splits.
	(*cmppsi, *negated_tstpsi, *reversed_tstpsi): New insns.
	(cbranchpsi4): New expander.
	* config/avr/constraints.md (Ca3, Co3, Cx3): New constraints.
	* config/avr/avr-protos.h (avr_out_tstpsi, avr_out_movpsi,
	avr_out_ashlpsi3, avr_out_ashrpsi3, avr_out_lshrpsi3,
	avr_out_reload_inpsi): New prototypes.

	* config/avr/avr.c (TARGET_SCALAR_MODE_SUPPORTED_P): Define to...
	(avr_scalar_mode_supported_p): ...this new static function.
	(avr_asm_len): Always return "".
	(avr_out_load_psi, avr_out_store_psi): New static functions.
	(avr_out_movpsi, avr_out_reload_inpsi): New functions.
	(avr_out_tstpsi): New function.
	(avr_out_ashlpsi3, avr_out_ashrpsi3, avr_out_lshrpsi3): New functions.
	(avr_out_plus_1, output_reload_in_const): Handle 3-byte types.
	(avr_simplify_comparison_p): Ditto.
	(adjust_insn_length): Handle ADJUST_LEN_RELOAD_IN24,
	ADJUST_LEN_MOV24, ADJUST_LEN_TSTPSI, ADJUST_LEN_ASHLPSI,
	ADJUST_LEN_ASHRPSI, ADJUST_LEN_LSHRPSI.
	(avr_rtx_costs_1): Report PSI costs.
	(avr_libcall_value): Handle odd-sized parameters.
	(avr_init_builtin_int24): New static function to define built-in
	24-bit types __int24 and __uint24.
	(avr_init_builtins): Use it.

libgcc/
	PR target/50931
	* config/t-avr (LIB1ASMFUNCS): Add _divmodpsi4, _udivmodpsi4.
	* config/lib1funcs.S (__udivmodpsi4, __divmodpsi4): New functions.

From-SVN: r180962
 2011-11-04 16:20:18 +00:00
Joel Sherrill
7084e0378d re PR target/50989 (sparc libgcc2 __udivmoddi4 has undefined reference to .umul) 
2011-11-04  Joel Sherrill  <joel.sherrill@oarcorp.com>

	PR target/50989
	* config.host (sparc-*-rtems*): Add sparc/t-softmul.

From-SVN: r180946
 2011-11-04 12:57:40 +00:00