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| author | Stan Cox <coxs@gnu.org> | 1996-03-29 19:27:45 +0000 |
|---|---|---|
| committer | Stan Cox <coxs@gnu.org> | 1996-03-29 19:27:45 +0000 |
| commit | 0a78e86253db82240953e120ea10084870697d61 (patch) | |
| tree | 16f819cf7c9e0a39813442cf1ca1984f402a87c7 | |
| parent | 6752b7d4dd2132150ead2fc6725873607bd79326 (diff) | |
| download | gcc-0a78e86253db82240953e120ea10084870697d61.zip gcc-0a78e86253db82240953e120ea10084870697d61.tar.gz gcc-0a78e86253db82240953e120ea10084870697d61.tar.bz2 | |
(notice_update_cc): Clear cc_status if it references a mem we are modifying.
From-SVN: r11643
| -rw-r--r-- | gcc/config/i386/i386.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index def1722..23882e4 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -2922,9 +2922,11 @@ notice_update_cc (exp) && (REG_P (SET_SRC (exp)) || GET_RTX_CLASS (GET_CODE (SET_SRC (exp))) == '<')) { - if (cc_status.value1 && GET_CODE (cc_status.value1) == MEM) + if (cc_status.value1 && GET_CODE (cc_status.value1) == MEM + || reg_mentioned_p (SET_DEST (exp), cc_status.value1)) cc_status.value1 = 0; - if (cc_status.value2 && GET_CODE (cc_status.value2) == MEM) + if (cc_status.value2 && GET_CODE (cc_status.value2) == MEM + || reg_mentioned_p (SET_DEST (exp), cc_status.value2)) cc_status.value2 = 0; return; } |