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| author | Tom Stellard <thomas.stellard@amd.com> | 2013-06-28 15:46:59 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2013-06-28 15:46:59 +0000 |
| commit | cedcfee405a22b245e869abe8609f094df34085a (patch) | |
| tree | 72e6d69624a9c8a9e56c419f2e927920c1af05d9 /lib/Target/R600/R600EmitClauseMarkers.cpp | |
| parent | 7e9381951eb4dadf9c59257786416ac51a6a6c09 (diff) | |
| download | external_llvm-cedcfee405a22b245e869abe8609f094df34085a.zip external_llvm-cedcfee405a22b245e869abe8609f094df34085a.tar.gz external_llvm-cedcfee405a22b245e869abe8609f094df34085a.tar.bz2 | |
R600: Add support for GROUP_BARRIER instruction
Reviewed-by: Vincent Lejeune<vljn at ovi.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185161 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/R600/R600EmitClauseMarkers.cpp')
| -rw-r--r-- | lib/Target/R600/R600EmitClauseMarkers.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Target/R600/R600EmitClauseMarkers.cpp b/lib/Target/R600/R600EmitClauseMarkers.cpp index ff5ce5a..0aea2d7 100644 --- a/lib/Target/R600/R600EmitClauseMarkers.cpp +++ b/lib/Target/R600/R600EmitClauseMarkers.cpp @@ -177,7 +177,14 @@ private: AluInstCount ++; continue; } - if (I->getOpcode() == AMDGPU::KILLGT) { + // XXX: GROUP_BARRIER instructions cannot be in the same ALU clause as: + // + // * KILL or INTERP instructions + // * Any instruction that sets UPDATE_EXEC_MASK or UPDATE_PRED bits + // * Uses waterfalling (i.e. INDEX_MODE = AR.X) + // + // XXX: These checks have not been implemented yet. + if (TII->mustBeLastInClause(I->getOpcode())) { I++; break; } |