[Backport to 20] Missing addExtension in SPIRVWriter.cpp (KhronosGroup#3136)

pvelesko · web-flow · commit 19d0732f5844 · 2025-05-14T11:58:10.000+02:00
KhronosGroup#2028 was supposed to get cherry-picked
diff --git a/lib/SPIRV/SPIRVWriter.cpp b/lib/SPIRV/SPIRVWriter.cpp
@@ -3128,10 +3128,12 @@ bool LLVMToSPIRVBase::transDecoration(Value *V, SPIRVValue *BV) {
           if (FMF.allowContract()) {
             M |= FPFastMathModeAllowContractFastINTELMask;
             BM->addCapability(CapabilityFPFastMathModeINTEL);
+            BM->addExtension(ExtensionID::SPV_INTEL_fp_fast_math_mode);
           }
           if (FMF.allowReassoc()) {
             M |= FPFastMathModeAllowReassocINTELMask;
             BM->addCapability(CapabilityFPFastMathModeINTEL);
+            BM->addExtension(ExtensionID::SPV_INTEL_fp_fast_math_mode);
           }
         }
       }

Original file line number	Diff line number	Diff line change
`@@ -3128,10 +3128,12 @@ bool LLVMToSPIRVBase::transDecoration(Value V, SPIRVValue BV) {`
`3128`	`3128`	`if (FMF.allowContract()) {`
`3129`	`3129`	`M \|= FPFastMathModeAllowContractFastINTELMask;`
`3130`	`3130`	`BM->addCapability(CapabilityFPFastMathModeINTEL);`
	`3131`	`+ BM->addExtension(ExtensionID::SPV_INTEL_fp_fast_math_mode);`
`3131`	`3132`	`}`
`3132`	`3133`	`if (FMF.allowReassoc()) {`
`3133`	`3134`	`M \|= FPFastMathModeAllowReassocINTELMask;`
`3134`	`3135`	`BM->addCapability(CapabilityFPFastMathModeINTEL);`
	`3136`	`+ BM->addExtension(ExtensionID::SPV_INTEL_fp_fast_math_mode);`
`3135`	`3137`	`}`
`3136`	`3138`	`}`
`3137`	`3139`	`}`