diff options
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. */ |