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| author | dj <dj@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-11-15 03:02:24 +0000 |
|---|---|---|
| committer | dj <dj@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-11-15 03:02:24 +0000 |
| commit | 66c6aab237d94ccf396515b35872e4c74ee39cd4 (patch) | |
| tree | fc5ff2b3569ac8524c310ed350940c212918d81a /gcc/integrate.h | |
| parent | 13f9ea8de2dfb691dd6ad8fc6c0e3d245b161cb4 (diff) | |
| download | gcc-66c6aab237d94ccf396515b35872e4c74ee39cd4.tar.gz | |
* integrate.c (get_hard_reg_initial_reg): New.
* integrate.h (get_hard_reg_initial_reg): Prototype.
* local-alloc.c (block_alloc): Don't tie pseudos that
represent call-saved hard regs' initial values.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47037 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/integrate.h')
| -rw-r--r-- | gcc/integrate.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/integrate.h b/gcc/integrate.h index c96d0112af4..9ddefefc956 100644 --- a/gcc/integrate.h +++ b/gcc/integrate.h @@ -140,6 +140,9 @@ extern rtx get_func_hard_reg_initial_val PARAMS ((struct function *, rtx)); extern rtx has_func_hard_reg_initial_val PARAMS ((struct function *, rtx)); /* Likewise, but for common cases. */ extern rtx has_hard_reg_initial_val PARAMS ((enum machine_mode, int)); +/* If a pseudo represents an initial hard reg (or expression), return + it, else return NULL_RTX. */ +extern rtx get_hard_reg_initial_reg PARAMS ((struct function *, rtx)); /* This is for GC. */ extern void mark_hard_reg_initial_vals PARAMS ((struct function *)); /* Called from rest_of_compilation. */ |