search for: v3i16

...confirm? Thanks, Javier From: James Molloy [mailto:james.molloy at arm.com] Sent: Wednesday, February 29, 2012 2:35 AM To: Martinez, Javier E; llvmdev at cs.uiuc.edu Subject: RE: Expand vector type Hi, * Is there a way to setup LLVM to automatically convert vec3s to vec4s? Yes, if you specify v3i16 and friends as "promote" instead of "legal", llvm will promote it to a v4i16. The ARM NEON backend does this already. I'm surprised you haven't got this happening already as you mention that LLVM widens your loads to 4-element vectors... (this should happen during DAG ty...

Hi, * Is there a way to setup LLVM to automatically convert vec3s to vec4s? Yes, if you specify v3i16 and friends as "promote" instead of "legal", llvm will promote it to a v4i16. The ARM NEON backend does this already. I'm surprised you haven't got this happening already as you mention that LLVM widens your loads to 4-element vectors. (this should happen during DAG type...

Hello, My input language has support for 3 and 4 element vectors but my target only has support for the latter. The language defines vec3 with the same storage space as vec4 so from a backend perspective they are both the same. I'd really like if I could have LLVM treat vec3 as vec4 but I haven't found out how. Currently the target has emulated support for vec3 through LLVM. Loads are

...ilto:[mailto:james.molloy at arm.com]> Sent: Wednesday, February 29, 2012 2:35 AM To: Martinez, Javier E; llvmdev at cs.uiuc.edu<mailto:llvmdev at cs.uiuc.edu> Subject: RE: Expand vector type Hi, * Is there a way to setup LLVM to automatically convert vec3s to vec4s? Yes, if you specify v3i16 and friends as "promote" instead of "legal", llvm will promote it to a v4i16. The ARM NEON backend does this already. I'm surprised you haven't got this happening already as you mention that LLVM widens your loads to 4-element vectors... (this should happen during DAG ty...

...February 29, 2012 2:35 AM > *To:* Martinez, Javier E; llvmdev at cs.uiuc.edu <mailto:llvmdev at cs.uiuc.edu> > *Subject:* RE: Expand vector type > > Hi, > > * *Is there a way to setup LLVM to automatically convert vec3s to vec4s? * > > ** > > Yes, if you specify v3i16 and friends as “promote” instead of “legal”, llvm will > promote it to a v4i16. The ARM NEON backend does this already. I’m surprised you > haven’t got this happening already as you mention that LLVM widens your loads to > 4-element vectors… (this should happen during DAG type legalization...