diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/postreload.c | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5b4668e..cbdecb6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-08-20 Richard Earnshaw <rearnsha@arm.com> + + * postreload.c (reload_cse_move2add): Allow any condjump, but check + that the implicit set isn't clobbered in the jump insn. + 2004-08-19 Mark Mitchell <mark@codesourcery.com> * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove. diff --git a/gcc/postreload.c b/gcc/postreload.c index 3b15118..20d4a4f 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 |