4 Commits

Author SHA1 Message Date
Matt Arsenault
26419a11ad AMDGPU: More bits of frame index are known to be zero
The maximum private allocation for the whole GPU is 4G,
so the maximum possible index for a single workitem is the
maximum size divided by the smallest granularity for a dispatch.

This increases the number of known zero high bits, which
enables more offset folding. The maximum private size per
workitem with this is 128M but may be smaller still.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262153 91177308-0d34-0410-b5e6-96231b3b80d8
2016-02-27 20:26:57 +00:00
Matt Arsenault
820985a01b AMDGPU: Add sdst operand to VOP2b instructions
The VOP3 encoding of these allows any SGPR pair for the i1
output, but this was forced before to always use vcc.
This doesn't yet try to use this, but does add the operand
to the definitions so the main change is adding vcc to the
output of the VOP2 encoding.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246358 91177308-0d34-0410-b5e6-96231b3b80d8
2015-08-29 07:16:50 +00:00
Tom Stellard
104dab3e04 AMDPGU/SI: Negative offsets aren't allowed in MUBUF's vaddr operand
Reviewers: arsenm

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D11226

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242434 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-16 19:40:09 +00:00
Tom Stellard
953c681473 R600 -> AMDGPU rename
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239657 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-13 03:28:10 +00:00