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-rw-r--r--llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp b/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
index 4bc605322f5..440ce1b4fc4 100644
--- a/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
@@ -1181,6 +1181,8 @@ unsigned SIRegisterInfo::getNumAddressableSGPRs(const SISubtarget &ST) const {
unsigned SIRegisterInfo::getNumReservedSGPRs(const SISubtarget &ST) const {
if (ST.getGeneration() >= AMDGPUSubtarget::VOLCANIC_ISLANDS)
return 6; // VCC, FLAT_SCRATCH, XNACK.
+ if (ST.getGeneration() >= AMDGPUSubtarget::SEA_ISLANDS)
+ return 4; // VCC, FLAT_SCRATCH.
return 2; // VCC.
}
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