diff options
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 033bfac..b8ac09b 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -7418,6 +7418,14 @@ if_then_else_cond (x, ptrue, pfalse) || ((cond0 = get_last_value (x)) != 0 && CONSTANT_P (cond0))) ; + /* If we're in BImode, canonicalize on 0 and STORE_FLAG_VALUE, as that + will be least confusing to the rest of the compiler. */ + else if (mode == BImode) + { + *ptrue = GEN_INT (STORE_FLAG_VALUE), *pfalse = const0_rtx; + return x; + } + /* If X is known to be either 0 or -1, those are the true and false values when testing X. */ else if (x == constm1_rtx || x == const0_rtx |