Add support for fp64_gen_emu also in API options

FP64 emulation should be supported in both the API and the Interanl options
intel · Sep 22, 2023 · 29f439c · 29f439c
1 parent 2b9e0d4
commit 29f439c
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Showing 4 changed files with 15 additions and 1 deletion.
diff --git a/IGC/AdaptorOCL/UnifyIROCL.cpp b/IGC/AdaptorOCL/UnifyIROCL.cpp
@@ -311,7 +311,8 @@ static void CommonOCLBasedPasses(
         pContext->m_InternalOptions.EmitZeBinVISASections;
 
     CompilerOpts.FP64GenEmulationEnabled =
-        pContext->m_InternalOptions.EnableFP64GenEmu;
+        pContext->m_InternalOptions.EnableFP64GenEmu ||
+        pContext->m_Options.EnableFP64GenEmu;
 
     CompilerOpts.LoadCacheDefault =
         pContext->m_InternalOptions.LoadCacheDefault;

diff --git a/IGC/Compiler/CISACodeGen/OpenCLKernelCodeGen.cpp b/IGC/Compiler/CISACodeGen/OpenCLKernelCodeGen.cpp
@@ -720,6 +720,13 @@ namespace IGC
             // operations on platforms without HW support for fp64.
             EnableUnsupportedFP64Poisoning = true;
         }
+
+        if (apiOptions.hasArg(OPT_fp64_gen_emu_common))
+        {
+            // This option enables FP64 emulation for platforms that
+            // cannot HW support for double operations
+            EnableFP64GenEmu = true;
+        }
     };
 
     unsigned OpenCLProgramContext::GetSlmSizePerSubslice()

diff --git a/IGC/Compiler/CISACodeGen/OpenCLKernelCodeGen.hpp b/IGC/Compiler/CISACodeGen/OpenCLKernelCodeGen.hpp
@@ -173,6 +173,9 @@ namespace IGC
             // This option forces IGC to poison kernels using fp64
             // operations on platforms without HW support for fp64.
             bool EnableUnsupportedFP64Poisoning = false;
+            // This option enables FP64 emulation for platforms that
+            // cannot HW support for double operations
+            bool EnableFP64GenEmu = false;
 
         private:
             void parseOptions(const char* opts);

diff --git a/IGC/Options/include/igc/Options/IGCApiOptions.td b/IGC/Options/include/igc/Options/IGCApiOptions.td
@@ -52,6 +52,9 @@ defm greater_than_4GB_buffer_required : CommonFlag<"greater-than-4GB-buffer-requ
 // -cl-poison-unsupported-fp64-kernels -ze-poison-unsupported-fp64-kernels
 defm poison_unsupported_fp64_kernels : CommonFlag<"poison-unsupported-fp64-kernels">;
 
+// -cl-fp64-gen-emu  -ze-fp64-gen-emu
+defm fp64_gen_emu : CommonFlag<"fp64-gen-emu">;
+
 // }} Backend API options
 
 // API options from source translation {{