add egpr restric to the new option.

Author: FreddyLeaf

clang/lib/Basic/Targets/X86.cpp

@@ -976,7 +976,7 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
   // Condition here is aligned with the feature set of mapxf in Options.td
   if (HasEGPR && HasPush2Pop2 && HasPPX && HasNDD)
     Builder.defineMacro("__APX_F__");
-  if (HasInlineAsmUseGPR32)
+  if (HasEGPR && HasInlineAsmUseGPR32)
     Builder.defineMacro("__APX_INLINE_ASM_USE_GPR32__");
 
   // Each case falls through to the previous one here.

clang/test/Preprocessor/x86_target_features.c

@@ -812,5 +812,7 @@
 // PPX: #define __PPX__ 1
 // PUSH2POP2: #define __PUSH2POP2__ 1
 
-// RUN: %clang -target x86_64-unknown-unknown -march=x86-64 -mapx-inline-asm-use-gpr32 -x c -E -dM -o - %s | FileCheck --check-prefixes=USEGPR32 %s
+// RUN: %clang -target x86_64-unknown-unknown -march=x86-64 -mapx-inline-asm-use-gpr32 -x c -E -dM -o - %s | FileCheck --check-prefixes=NOUSEGPR32 %s
+// RUN: %clang -target x86_64-unknown-unknown -march=x86-64 -mapx-features=egpr -mapx-inline-asm-use-gpr32 -x c -E -dM -o - %s | FileCheck --check-prefixes=USEGPR32 %s
+// NOUSEGPR32-NOT: #define __APX_INLINE_ASM_USE_GPR32__ 1
 // USEGPR32: #define __APX_INLINE_ASM_USE_GPR32__ 1