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
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
* 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
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
2012-01-02 Jonathan Wakely <jwakely.gcc@gmail.com>
PR bootstrap/51006
* enable-execute-stack-mprotect.c (getpagesize): Do not define
for NetBSD.
From-SVN: r182860
* libgcov.c (gcov_crc32): Remove global var.
(free_fn_data): New function.
(buffer_fn_data): Pass in filename, more robust error recovery.
(crc32_unsigned): New function.
(gcov_exit): More robust detection of new program. More robust
error recovery.
(__gcov_init): Do not update program's crc here.
From-SVN: r182743
* 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 Sergio Durigan Junior <sergiodj@redhat.com>
* unwind-arm-common.inc: Include `tconfig.h', `tsystem.h' and
`sys/sdt.h'.
(_Unwind_DebugHook): New function.
(uw_restore_core_regs): New define.
(unwind_phase2): Use uw_restore_core_regs instead of
restore_core_regs.
(unwind_phase2_forced): Likewise.
(__gnu_Unwind_Resume): Likewise.
From-SVN: r182552
* config/alpha/linux-unwind.h: Update copyright years.
(MD_FROB_UPDATE_CONTEXT): New define.
(alpha_frob_update_context): New function.
From-SVN: r182522
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
2011-12-14 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
2011-12-06 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
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
* 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
* 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
Jonathan Wakely
Chung-Lin Tang
Sumanth G
Alan Modra
Douglas Rupp
Ian Lance Taylor
Richard Sandiford
Nathan Sidwell
Georg-Johann Lay
Eric Botcazou
Tristan Gingold
Andreas Krebbel
Ian Lance Taylor
Sergio Durigan Junior
Uros Bizjak
Richard Sandiford
Iain Sandoe
H.J. Lu
Andrew Pinski
John David Anglin
DJ Delorie
Bernd Schmidt
Rainer Orth
Richard Henderson
Hans-Peter Nilsson
Gerald Pfeifer
Steve Ellcey
Matthew Gretton-Dann