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
