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* function.c (keep_stack_depressed): Major rework.
authorkenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 21 Nov 2001 23:41:40 +0000 (23:41 +0000)
committerkenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 21 Nov 2001 23:41:40 +0000 (23:41 +0000)
commitc3987c92888e31eb1b5308297ef710c9beff381f
tree4228f1e4d4f65d67074c0259afaae71d1cb46c05
parente58d0f170980a5ee62629915b8bf3814b8c5b3bc
* function.c (keep_stack_depressed): Major rework.
(handle_epilogue_set, emit_equiv_load): New functions.
(thread_prologue_and_epilogue_insns): keep_stack_depressed now
has return value.
* jump.c (returnjump_p_1): Also return 1 if SET with SET_IS_RETURN_P.
* rtl.h (SET_IS_RETURN_P): New macro.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47250 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/function.c
gcc/jump.c
gcc/rtl.h