diff options
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index e735519ad12..ea12e05c2d2 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -6817,12 +6817,20 @@ force_to_mode (x, mode, mask, reg, just_select) /* If none of the bits in X are needed, return a zero. */ if (! just_select && (nonzero & mask) == 0) - return const0_rtx; + x = const0_rtx; /* If X is a CONST_INT, return a new one. Do this here since the test below will fail. */ if (GET_CODE (x) == CONST_INT) - return gen_int_mode (INTVAL (x) & mask, mode); + { + if (SCALAR_INT_MODE_P (mode)) + return gen_int_mode (INTVAL (x) & mask, mode); + else + { + x = GEN_INT (INTVAL (x) & mask); + return gen_lowpart_common (mode, x); + } + } /* If X is narrower than MODE and we want all the bits in X's mode, just get X in the proper mode. */ |