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* doc/invoke.texi: Add mcmodel to powerpc options.
authoramodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 15 Jun 2010 07:33:43 +0000 (07:33 +0000)
committeramodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 15 Jun 2010 07:33:43 +0000 (07:33 +0000)
commit72350d7baa0fbcf2fcc4aa82bc7d228a7f38734d
tree5c65b177818e2b8c73663e18852b25e829aa44c6
parentb18aeeb79d7becacb1265ac51a2c0b8c0ef6b8e8
* doc/invoke.texi: Add mcmodel to powerpc options.
* configure.ac: Add HAVE_LD_LARGE_TOC test.
* configure: Regenerate.
* config.in: Regenerate.
* config/rs6000/linux64.opt (mcmodel): New.
* config/rs6000/linux64.h (TARGET_USES_LINUX64_OPT): Define.
(TARGET_CMODEL): Define.
(SUBSUBTARGET_OVERRIDE_OPTIONS): Check user -mcmodel choice,
select CMODEL_MEDIUM default.
* config/rs6000/rs6000.h (enum rs6000_cmodel): New.
(TARGET_CMODEL): Define default.
* config/rs6000/rs6000.c (cmodel): New variable.
(rs6000_explicit_options): Add cmodel field.
(rs6000_handle_option): Handle -mcmodel.
(create_TOC_reference): Add largetoc_reg param.  Generate high,
lo_sum rtl for CMODEL_MEDIUM and CMODEL_LARGE.  Update all callers.
(rs6000_delegitimize_address): Recognise new toc reference rtl
and minimal-toc rtl.
(rs6000_legitimize_reload_address): Handle new toc references.
(print_operand_address): Handle legitimate_constant_pool_address_p
match before lo_sum.
(rs6000_eliminate_indexed_memrefs): Tidy.
(rs6000_emit_move): Tweak threshold for inlining constants.
Keep rs6000_emit_allocate_stack large stack frame offsets
loaded into r0 inline.
(rs6000_generate_compare <cmptf_internal2>): One more clobber.
(tocrel_base, tocrel_offset): New variables.
(toc_relative_expr_p): Set them here.
(print_operand_address): Skip over any offset on constant pool
address.
(rs6000_output_addr_const_extra): Print tocrel_offset before @toc.
(rs6000_mode_dependent_address <LO_SUM>): False for new toc refs.
(offsettable_ok_by_alignment): New function.
(rs6000_emit_move): Address suitably aligned local symbol_refs
relative to the toc pointer for -mcmodel=medium.
(legitimate_constant_pool_address_p): Make param const_rtx.  Add
strict param.  Allow lo_sum version of addressing.  Verify reg
used for -mminimal-toc and -mcmodel != small.  Update all callers.
* config/rs6000/constraints.md: Update for above change.
* config/rs6000/predicates.md: Likewise.
* config/rs6000/rs6000.md (tls_gd_aix): Generate -mcmodel=medium/large
code.
(tls_gd): Split for -mcmodel=medium/large.
(tls_gd_high, tls_gd_low): New.
(tls_ld_aix, tls_ld, tls_ld_high, tls_ld_low): Similarly.
(tls_got_dtprel, tls_got_dtprel_high, tls_got_dtprel_low): Similarly.
(tls_got_tprel, tls_got_tprel_high, tls_got_tprel_low): Similarly.
(largetoc_high, largetoc_low): New.
(cmptf_internal2): Add clobber.
* config/rs6000/rs6000-protos.h: Update.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@160773 138bc75d-0d04-0410-961f-82ee72b054a4
13 files changed:
gcc/ChangeLog
gcc/config.in
gcc/config/rs6000/constraints.md
gcc/config/rs6000/linux64.h
gcc/config/rs6000/linux64.opt
gcc/config/rs6000/predicates.md
gcc/config/rs6000/rs6000-protos.h
gcc/config/rs6000/rs6000.c
gcc/config/rs6000/rs6000.h
gcc/config/rs6000/rs6000.md
gcc/configure
gcc/configure.ac
gcc/doc/invoke.texi