mirror of
git://gcc.gnu.org/git/gcc.git
synced 2025-03-18 12:51:18 +08:00
fd7643fbe4
* config/s390/s390.c (legitimize_pic_address): Access local symbols
relative to the GOT instead of relative to the literal pool base.
(s390_output_symbolic_const): Handle new GOT-relative accesses.
* config/s390/s390.md ("call"): Access local functions and PLT stubs
relative to the GOT instead of relative to the literal pool base.
("call_value"): Likewise.
("call_value_tls"): Likewise.
* config/s390/s390.c (s390_chunkify_start): Remove pool anchor
reloading. Support LTREL_BASE / LTREL_OFFSET construct.
(s390_chunkify_finish): Likewise.
(s390_chunkify_cancel): Likewise.
(s390_reorg): Adapt caller.
(find_base_register_in_addr,
find_base_register_ref, replace_base_register_ref): Delete.
(find_ltrel_base, replace_ltrel_base): New functions.
(find_constant_pool_ref): Handle LTREL_BASE unspecs.
(s390_decompose_address): Handle LTREL_BASE unspecs. Optimize
base vs. index register usage.
(struct constant_pool): Remove 'anchor'.
(s390_add_anchor): Delete.
(s390_dump_pool): Remove anchor handling.
* config/s390/s390.md ("reload_anchor"): Remove.
* config/s390/s390.c (s390_split_branches): Use LTREL_BASE/OFFSET.
(s390_load_got): New function. Use LTREL_BASE/OFFSET.
(s390_emit_prologue): Use it.
* config/s390/s390.md ("builtin_longjmp", "builtin_setjmp_setup",
"builtin_setjmp_receiver"): Cleanup. Use s390_load_got. Do not
hard-code register 14.
* config/s390/s390-protos.h (s390_load_got): Declare.
* config/s390/s390.c (NR_C_MODES, constant_modes, gen_consttable):
Support TImode constants.
* config/s390/s390.md ("consttable_ti"): New.
("consttable_si", "consttable_di"): Handle TLS symbols correctly.
* config/s390/s390.md (UNSPEC_LTREL_OFFSET, UNSPEC_LTREL_BASE,
UNSPEC_GOTENT, UNSPEC_GOT, UNSPEC_GOTOFF, UNSPEC_PLT, UNSPEC_PLTOFF,
UNSPEC_RELOAD_BASE, UNSPECV_POOL, UNSPECV_POOL_START, UNSPECV_POOL_END,
UNSPECV_POOL_QI, UNSPECV_POOL_HI, UNSPECV_POOL_SI, UNSPECV_POOL_DI,
UNSPECV_POOL_TI, UNSPECV_POOL_SF, UNSPECV_POOL_DF, UNSPECV_MAIN_POOL):
New symbolic constants.
("consttable_qi", "consttable_hi", "consttable_si", "consttable_di",
"consttable_sf", "consttable_df", "pool_start_31", "pool_end_31",
"pool_start_64", "pool_end_64", "reload_base_31", "reload_base_64",
"pool", "literal_pool_31", "literal_pool_64"): Cleanup. Use
symbolic UNSPEC values.
* config/s390/s390.c (larl_operand, s390_short_displacement,
bras_sym_operand, s390_cannot_force_const_mem,
s390_delegitimize_address, s390_decompose_address,
legitimize_pic_address, s390_output_symbolic_const,
s390_function_profiler): Use symbolic UNSPEC values.
From-SVN: r69592
This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the file COPYING for copying permission. The manuals, and some of the runtime libraries, are under different terms; see the individual source files for details. The directory INSTALL contains copies of the installation information as HTML and plain text. The source of this information is gcc/doc/install.texi. The installation information includes details of what is included in the GCC sources and what files GCC installs. See the file gcc/doc/gcc.texi (together with other files that it includes) for usage and porting information. An online readable version of the manual is in the files gcc/doc/gcc.info*. See http://gcc.gnu.org/bugs.html for how to report bugs usefully.