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Diffstat (limited to 'gcc/config/s390/s390.c')
| -rw-r--r-- | gcc/config/s390/s390.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c index 663cc545b8c..15783632457 100644 --- a/gcc/config/s390/s390.c +++ b/gcc/config/s390/s390.c @@ -4647,6 +4647,9 @@ s390_expand_insv (rtx dest, rtx op1, rtx op2, rtx src) int smode_bsize, mode_bsize; rtx op, clobber; + if (bitsize + bitpos > GET_MODE_SIZE (mode)) + return false; + /* Generate INSERT IMMEDIATE (IILL et al). */ /* (set (ze (reg)) (const_int)). */ if (TARGET_ZARCH |