OSDN Git Service

gcc/
authorbernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 3 Sep 2009 15:37:28 +0000 (15:37 +0000)
committerbernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 3 Sep 2009 15:37:28 +0000 (15:37 +0000)
commit4bb5cea52065a96612035c4cadcab0d3beb23870
tree2a3d9e1c43f8bd260ab33779e73b86699cbfd3cc
parent6f72abb655e35fddd338774188add14fffc322bc
gcc/
* config/bfin/linux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
* config/bfin/uclinux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
* config/bfin/bfin.h (TARGET_SUPPORTS_SYNC_CALLS): Provide default of
0.
* config/bfin/sync.md: New file.
* config/bfin/bfin.md: Include it.
(UNSPEC_ATOMIC): New.
(UNSPEC_ONES): Provide a unique number.

From Jie Zhang <jie.zhang@analog.com>:
* config/bfin/bfin.c (ret_regs): New.
(must_save_fp_p): Don't return true because of frame_pointer_needed.
(must_save_rets_p): New.
(n_regs_saved_by_prologue): Use must_save_rets_p instead of
current_function_is_leaf.
(do_link): Likewise.
(do_unlink): Likewise.
(expand_interrupt_handler_prologue): Use ret_regs array.
(expand_interrupt_handler_epilogue): Use ret_regs array and
pass return register to gen_return_internal.
(bfin_expand_epilogue): Pass return register to
gen_return_internal.
(bfin_expand_call): Explicitly clobber RETS.
* config/bfin/bfin.h (FUNCTION_RETURN_REGISTERS): Define.
* config/bfin/bfin.md (call_symbol_fdpic, call_value_symbol_fdpic,
call_insn_fdpic, call_value_insn_fdpic, call_symbol,
call_value_symbol, call_insn, call_value_insn): Explicitly clobber
RETS.
(return_internal): Take a reg rtx rather than the register number.

gcc/testsuite/
* lib/target-supports.exp (check_effective_target_sync_int_long):
Supported on Blackfin Linux targets.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@151381 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/config/bfin/bfin.c
gcc/config/bfin/bfin.h
gcc/config/bfin/bfin.md
gcc/config/bfin/linux.h
gcc/config/bfin/sync.md [new file with mode: 0644]
gcc/config/bfin/uclinux.h
gcc/testsuite/ChangeLog
gcc/testsuite/lib/target-supports.exp