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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-09-18 18:30:24 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-09-18 18:30:24 +0000 |
| commit | dea049dca0cc1d48b7d2c5d5b227a03f6972d556 (patch) | |
| tree | dcf8ba6562e72efc25294c86c33f5f6a398ca59f /gcc/explow.c | |
| parent | 069a05d1dee193f4df79d3e4b3bc067ebced3954 (diff) | |
| download | gcc-dea049dca0cc1d48b7d2c5d5b227a03f6972d556.tar.gz | |
* combine.c (if_then_else_cond): Canonicalize BImode true to
STORE_FLAG_VALUE.
* explow.c (trunc_int_for_mode): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36507 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/explow.c')
| -rw-r--r-- | gcc/explow.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/explow.c b/gcc/explow.c index ce7118eeb17..b2763e3abf0 100644 --- a/gcc/explow.c +++ b/gcc/explow.c @@ -52,6 +52,10 @@ trunc_int_for_mode (c, mode) { int width = GET_MODE_BITSIZE (mode); + /* Canonicalize BImode to 0 and STORE_FLAG_VALUE. */ + if (mode == BImode) + return c & 1 ? STORE_FLAG_VALUE : 0; + /* We clear out all bits that don't belong in MODE, unless they and our sign bit are all one. So we get either a reasonable negative value or a reasonable unsigned value. */ |