diff options
Diffstat (limited to 'gcc-4.9/gcc/config/s390/s390.c')
-rw-r--r-- | gcc-4.9/gcc/config/s390/s390.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc-4.9/gcc/config/s390/s390.c b/gcc-4.9/gcc/config/s390/s390.c index 7a79286c9..aac8de848 100644 --- a/gcc-4.9/gcc/config/s390/s390.c +++ b/gcc-4.9/gcc/config/s390/s390.c @@ -4613,7 +4613,7 @@ 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)) + if (bitsize + bitpos > GET_MODE_BITSIZE (mode)) return false; /* Generate INSERT IMMEDIATE (IILL et al). */ @@ -9225,6 +9225,13 @@ s390_can_use_return_insn (void) if (cfun_gpr_save_slot (i)) return false; + /* For 31 bit this is not covered by the frame_size check below + since f4, f6 are saved in the register save area without needing + additional stack space. */ + if (!TARGET_64BIT + && (cfun_fpr_save_p (FPR4_REGNUM) || cfun_fpr_save_p (FPR6_REGNUM))) + return false; + if (cfun->machine->base_reg && !call_really_used_regs[REGNO (cfun->machine->base_reg)]) return false; |