d6d4d7701a
gcc/ChangeLog: * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues. * config/i386/i386.h (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned. (NUM_X86_64_MS_CLOBBERED_REGS): New macro. (struct machine_function): Add new members call_ms2sysv, call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs. (struct machine_frame_state): New fields sp_realigned and sp_realigned_offset. * config/i386/i386.c (enum xlogue_stub): New enum. (enum xlogue_stub_sets): New enum. (class xlogue_layout): New class. (struct ix86_frame): New fields stack_realign_allocate_offset, stack_realign_offset and outlined_save_offset. Modify comments to detail stack layout when using out-of-line stubs. (ix86_target_string): Add -mcall-ms2sysv-xlogues option. (ix86_option_override_internal): Add sorry() for TARGET_SEH and -mcall-ms2sysv-xlogues. (stub_managed_regs): New static variable. (ix86_save_reg): Add new parameter ignore_outlined to optionally omit registers managed by out-of-line stub. (disable_call_ms2sysv_xlogues): New function. (ix86_compute_frame_layout): Modify re-alignment calculations, disable m->call_ms2sysv when appropriate and compute frame layout for out-of-line stubs. (sp_valid_at, fp_valid_at): New inline functions. (choose_basereg): New function. (choose_baseaddr): Add align parameter, use choose_basereg and modify all callers. (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov): Use align parameter of choose_baseaddr to generated aligned SSE movs when possible. (pro_epilogue_adjust_stack): Modify to track machine_frame_state::sp_realigned. (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg. (ix86_nsaved_sseregs): Likewise. (ix86_emit_save_regs): Likewise. (ix86_emit_save_regs_using_mov): Likewise. (ix86_emit_save_sse_regs_using_mov): Likewise. (get_scratch_register_on_entry): Likewise. (gen_frame_set): New function. (gen_frame_load): Likewise. (gen_frame_store): Likewise. (emit_outlined_ms2sysv_save): Likewise. (emit_outlined_ms2sysv_restore): Likewise. (ix86_expand_prologue): Modify stack re-alignment code and call emit_outlined_ms2sysv_save when appropriate. (ix86_emit_leave): Clear machine_frame_state::sp_realigned. Add parameter rtx_insn *insn, which allows the function to be used to only generate the notes. (ix86_expand_epilogue): Modify validity checks of frame and stack pointers, and call emit_outlined_ms2sysv_restore when appropriate. (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate. * config/i386/predicates.md (save_multiple): New predicate. (restore_multiple): Likewise. * config/i386/sse.md (save_multiple<mode>): New pattern. (save_multiple_realign<mode>): Likewise. (restore_multiple<mode>): Likewise. (restore_multiple_and_return<mode>): Likewise. (restore_multiple_leave_return<mode>): Likewise. * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp gcc/testsuite/ChangeLog: * gcc.target/x86_64/abi/ms-sysv/do-test.S: New file. * gcc.target/x86_64/abi/ms-sysv/gen.cc: Likewise. * gcc.target/x86_64/abi/ms-sysv/ms-sysv.c: Likewise. * gcc.target/x86_64/abi/ms-sysv/ms-sysv.exp: Likewise. libgcc/ChangeLog: * config.host: Add i386/t-msabi to i386/t-linux file list. * config/i386/i386-asm.h: New file. * config/i386/resms64.S: New file. * config/i386/resms64f.S: New file. * config/i386/resms64fx.S: New file. * config/i386/resms64x.S: New file. * config/i386/savms64.S: New file. * config/i386/savms64f.S: New file. * config/i386/t-msabi: New file. From-SVN: r248029 |
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README
This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the files whose names start with 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/ for how to report bugs usefully. Copyright years on GCC source files may be listed using range notation, e.g., 1987-2012, indicating that every year in the range, inclusive, is a copyrightable year that could otherwise be listed individually.