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| author | Evan Cheng <evan.cheng@apple.com> | 2007-01-31 22:11:38 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-01-31 22:11:38 +0000 |
| commit | 11a065e599ff593acbdffebba1981c88ee0a9d4e (patch) | |
| tree | c1c9a5f77f42a79c20795d6fc8e4d5fdf4c80e3b | |
| parent | 0fa10515ee93821aab035efbd39cf7cb311d639e (diff) | |
Add entry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33723 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/README-Thumb.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/ARM/README-Thumb.txt b/lib/Target/ARM/README-Thumb.txt index c64457fe15..b0473da6a7 100644 --- a/lib/Target/ARM/README-Thumb.txt +++ b/lib/Target/ARM/README-Thumb.txt @@ -19,3 +19,7 @@ * If we know function size is less than (1 << 16) * 2 bytes, we can use 16-bit jumptable entries (e.g. (L1 - L2) >> 1). Or even smaller entries if the function is even smaller. This also applies to ARM. + +* In thumb mode, short, byte, and bool preferred alignments are currently set + to 4 to accommodate ISA restriction (i.e. add sp, #imm, imm must be multiple + of 4). |