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* Makefile.in (lcm.o): Depend on insn-attr.h. * basic-block.h (optimize_mode_switching): Declare. * lcm.c (tm_p.h, insn-attr.h): #include. (seginfo, bb_info): New structs. (antic, transp, comp, delete, insert) : New file-scope static variables. (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions. (reg_becomes_live, optimize_mode_switching): Likewise. * tm.texi: Add description of mode switching macros. * toplev.c (rest_of_compilation): Call optimize_mode_switching. * sh-protos.h (remove_dead_before_cse): Remove prototype. (fldi_ok, fpscr_set_from_mem): New prototypes. * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set. (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD). (sh_flag_remove_dead_before_cse): Remove declaration. (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros. (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise. (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise. * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD). (barrier_align): Allow for JUMP_INSNS containing a parallel. (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set. (fldi_ok): New function. (get_fpscr_rtx): Add fpscr_rtx as GC root. (emit_sf_insn): Only generate fpu switches when optimize < 1. (emit_df_insn): Likewise. (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete. (sh_flag_remove_dead_before_cse): Delete. (get_free_reg, fpscr_set_from_mem): New functions. * sh.md (movdf, movsf): Remove no_new_pseudos code. (return): Remove emit_fpscr_use / remove_dead_before_cse calls. Co-Authored-By: Andrew MacLeod <amacleod@cygnus.com> From-SVN: r31990 |
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boehm-gc | ||
config | ||
contrib | ||
etc | ||
gcc | ||
include | ||
INSTALL | ||
libchill | ||
libf2c | ||
libffi | ||
libiberty | ||
libio | ||
libjava | ||
libobjc | ||
libstdc++ | ||
texinfo | ||
zlib | ||
.cvsignore | ||
ChangeLog | ||
config-ml.in | ||
config.guess | ||
config.if | ||
config.sub | ||
configure | ||
configure.in | ||
COPYING | ||
COPYING.LIB | ||
install-sh | ||
ltconfig | ||
ltmain.sh | ||
MAINTAINERS | ||
Makefile.in | ||
missing | ||
mkinstalldirs | ||
move-if-change | ||
README | ||
symlink-tree | ||
ylwrap |
README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. Check the INSTALL directory for detailed configuration and installation instructions. Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.