diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/AMDGPU.td')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPU.td | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPU.td b/llvm/lib/Target/AMDGPU/AMDGPU.td index a5b0eacb5d1..6a4cfe08e49 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPU.td +++ b/llvm/lib/Target/AMDGPU/AMDGPU.td @@ -377,6 +377,16 @@ def FeatureEnableDS128 : SubtargetFeature<"enable-ds128", "Use ds_{read|write}_b128" >; +// Sparse texture support requires that all result registers are zeroed when +// PRTStrictNull is set to true. This feature is turned on for all architectures +// but is enabled as a feature in case there are situations where PRTStrictNull +// is disabled by the driver. +def FeatureEnablePRTStrictNull : SubtargetFeature<"enable-prt-strict-null", + "EnablePRTStrictNull", + "true", + "Enable zeroing of result registers for sparse texture fetches" +>; + // Unless +-flat-for-global is specified, turn on FlatForGlobal for // all OS-es on VI and newer hardware to avoid assertion failures due // to missing ADDR64 variants of MUBUF instructions. |
