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git.ipfire.org Git - thirdparty/gcc.git/commit - gcc/config/i386/freebsd.h
cygming.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
* config/i386/cygming.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
* config/i386/freebsd.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
* config/i386/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
* config/i386/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
* config/i386/sol2.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
* config/i386/i386.c (ix86_gen_adjust_stack_and_probe): New variable.
(ix86_gen_probe_stack_range): Likewise.
(override_options): Set them.
(ix86_target_stack_probe): New function.
(ix86_compute_frame_layout): Force use of push instructions to
save registers if stack checking with probes is enabled.
(get_scratch_register_on_entry): New function.
(release_scratch_register_on_entry): Likewise.
(ix86_adjust_stack_and_probe): Likewise.
(output_adjust_stack_and_probe): Likewise.
(ix86_emit_probe_stack_range): Likewise.
(output_probe_stack_range): Likewise.
(ix86_expand_prologue): Emit stack checking code if static built-in
stack checking is enabled.
Test ix86_target_stack_probe instead of TARGET_STACK_PROBE.
* config/i386/i386-protos.h (ix86_target_stack_probe): Declare.
(output_adjust_stack_and_probe): Likewise.
(output_probe_stack_range): Likewise.
* config/i386/i386.md (UNSPECV_PROBE_STACK_RANGE): New constant.
(allocate_stack_worker_32): Test ix86_target_stack_probe instead of
TARGET_STACK_PROBE.
(allocate_stack_worker_64): Likewise.
(allocate_stack): Likewise.
(adjust_stack_and_probe): New insn.
(probe_stack_range): Likewise.
From-SVN: r161952