diff options
| -rw-r--r-- | lib/Target/ARM/README-Thumb.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/ARM/README-Thumb.txt b/lib/Target/ARM/README-Thumb.txt index 4d3200b..ecef58a 100644 --- a/lib/Target/ARM/README-Thumb.txt +++ b/lib/Target/ARM/README-Thumb.txt @@ -226,3 +226,9 @@ etc. Almost all Thumb instructions clobber condition code. //===---------------------------------------------------------------------===// Add ldmia, stmia support. + +//===---------------------------------------------------------------------===// + +Thumb load / store address mode offsets are scaled. The values kept in the +instruction operands are pre-scale values. This probably ought to be changed +to avoid extra work when we convert Thumb2 instructions to Thumb1 instructions. |