maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
259,911 Commits 23 Branches 0 Tags 2.2 GiB
Commit Graph

1 Commits

Author SHA1 Message Date
James Molloy 53298a1808 [ARM] Shrink post-indexed LDR and STR to LDM/STM 
A Thumb-2 post-indexed LDR instruction such as:

  ldr.w r0, [r1], #4

Can be rewritten as:

  ldm.n r1!, {r0}

LDMs can be more expensive than LDRs on some cores, so this has been enabled only in minsize mode.

llvm-svn: 272002
 2016-06-07 12:13:34 +00:00