From 11a065e599ff593acbdffebba1981c88ee0a9d4e Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Wed, 31 Jan 2007 22:11:38 +0000 Subject: [PATCH] Add entry. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33723 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/ARM/README-Thumb.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/Target/ARM/README-Thumb.txt b/lib/Target/ARM/README-Thumb.txt index c64457fe153..b0473da6a71 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). -- 2.34.1