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authorTom Stellard <[email protected]>2012-08-20 21:08:03 +0000
committerTom Stellard <[email protected]>2012-08-21 15:42:44 +0000
commit05882985757e655f5298af483c881008d45e6249 (patch)
treeac1ed3f0b9ff0f55f23e34fb7a2d0e5596f707a9 /src/gallium/drivers/radeon/R600RegisterInfo.cpp
parent1a25ebe3ce95a6a4aef7c844dbe95909976b68da (diff)
radeon/llvm: Add helper function for getting sub reg indices
Diffstat (limited to 'src/gallium/drivers/radeon/R600RegisterInfo.cpp')
-rw-r--r--src/gallium/drivers/radeon/R600RegisterInfo.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/R600RegisterInfo.cpp b/src/gallium/drivers/radeon/R600RegisterInfo.cpp
index 94752410bfb..c2e40c7214a 100644
--- a/src/gallium/drivers/radeon/R600RegisterInfo.cpp
+++ b/src/gallium/drivers/radeon/R600RegisterInfo.cpp
@@ -112,4 +112,16 @@ const TargetRegisterClass * R600RegisterInfo::getCFGStructurizerRegClass(
case MVT::i32: return AMDGPU::R600_TReg32RegisterClass;
}
}
+
+unsigned R600RegisterInfo::getSubRegFromChannel(unsigned Channel) const
+{
+ switch (Channel) {
+ default: assert(!"Invalid channel index"); return 0;
+ case 0: return AMDGPU::sel_x;
+ case 1: return AMDGPU::sel_y;
+ case 2: return AMDGPU::sel_z;
+ case 3: return AMDGPU::sel_w;
+ }
+}
+
#include "R600HwRegInfo.include"