diff options
Diffstat (limited to 'gcc/config/aarch64/aarch64.c')
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index 61f5f58844e..f2ed83c400f 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -3994,9 +3994,11 @@ aarch64_classify_address (struct aarch64_address_info *info, X,X: 7-bit signed scaled offset Q: 9-bit signed offset We conservatively require an offset representable in either mode. - */ + When performing the check for pairs of X registers i.e. LDP/STP + pass down DImode since that is the natural size of the LDP/STP + instruction memory accesses. */ if (mode == TImode || mode == TFmode) - return (aarch64_offset_7bit_signed_scaled_p (mode, offset) + return (aarch64_offset_7bit_signed_scaled_p (DImode, offset) && offset_9bit_signed_unscaled_p (mode, offset)); /* A 7bit offset check because OImode will emit a ldp/stp |