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[AMDGPU] Fix number of reserved SGPRs on CI to reflect flat scratch use

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Differential Revision: https://reviews.llvm.org/D27225

llvm-svn: 289095
This commit is contained in:
Stanislav Mekhanoshin 2016-12-08 20:07:23 +00:00
parent c57e18e32f
commit e735965677
1 changed files with 2 additions and 0 deletions
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2
lib/Target/AMDGPU/SIRegisterInfo.cpp
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@ -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.
}