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| author | rearnsha <rearnsha@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-08-20 09:59:34 +0000 |
|---|---|---|
| committer | rearnsha <rearnsha@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-08-20 09:59:34 +0000 |
| commit | f222bc3bf80f202e53e83e88c0b4d4d776dabb54 (patch) | |
| tree | 03fa69a8b0313afedcb97e7ad2b8a70e0bf95f3e /gcc/postreload.c | |
| parent | 59d526f9c5354be1a9ac840aafb76473a7f31b64 (diff) | |
| download | gcc-f222bc3bf80f202e53e83e88c0b4d4d776dabb54.tar.gz | |
* postreload.c (reload_cse_move2add): Allow any condjump, but check
that the implicit set isn't clobbered in the jump insn.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@86308 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/postreload.c')
| -rw-r--r-- | gcc/postreload.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/postreload.c b/gcc/postreload.c index 3b15118f329..20d4a4f543e 100644 --- a/gcc/postreload.c +++ b/gcc/postreload.c @@ -1375,13 +1375,14 @@ reload_cse_move2add (rtx first) /* If INSN is a conditional branch, we try to extract an implicit set out of it. */ - if (any_condjump_p (insn) && onlyjump_p (insn)) + if (any_condjump_p (insn)) { rtx cnd = fis_get_condition (insn); if (cnd != NULL_RTX && GET_CODE (cnd) == NE && REG_P (XEXP (cnd, 0)) + && !reg_set_p (XEXP (cnd, 0), insn) /* The following two checks, which are also in move2add_note_store, are intended to reduce the number of calls to gen_rtx_SET to avoid memory |