| commit | 75ad488c41d4dfc29de0b296a5503dcde93d72c1 | [log] [tgz] |
|---|---|---|
| author | Hao Liu <Hao.Liu@arm.com> | Tue Oct 14 06:50:36 2014 +0000 |
| committer | Hao Liu <Hao.Liu@arm.com> | Tue Oct 14 06:50:36 2014 +0000 |
| tree | 3025a6394b976b4bbcc08e9c7d205cb1ccef16c8 | |
| parent | b15974e996b7049e47f6f8b4bce8fce584dce19d [diff] |
[AArch64]Select wide immediate offset into [Base+XReg] addressing mode
e.g Currently we'll generate following instructions if the immediate is too wide:
MOV X0, WideImmediate
ADD X1, BaseReg, X0
LDR X2, [X1, 0]
Using [Base+XReg] addressing mode can save one ADD as following:
MOV X0, WideImmediate
LDR X2, [BaseReg, X0]
Differential Revision: http://reviews.llvm.org/D5477
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219665 91177308-0d34-0410-b5e6-96231b3b80d8