diff --git a/gcc/config/rs6000/bmi2intrin.h b/gcc/config/rs6000/bmi2intrin.h
index 9bf36e99c0d..931a61d749f 100644
--- a/gcc/config/rs6000/bmi2intrin.h
+++ b/gcc/config/rs6000/bmi2intrin.h
@@ -29,8 +29,8 @@
    standard C or GNU C extensions, which are more portable and better
    optimized across multiple targets.  */
 
-#if !defined _X86INTRIN_H_INCLUDED
-# error "Never use <bmi2intrin.h> directly; include <x86intrin.h> instead."
+#if !defined _X86GPRINTRIN_H_INCLUDED
+# error "Never use <bmi2intrin.h> directly; include <x86gprintrin.h> instead."
 #endif
 
 #ifndef _BMI2INTRIN_H_INCLUDED
diff --git a/gcc/config/rs6000/bmiintrin.h b/gcc/config/rs6000/bmiintrin.h
index 8845f70b543..76cbc4724aa 100644
--- a/gcc/config/rs6000/bmiintrin.h
+++ b/gcc/config/rs6000/bmiintrin.h
@@ -29,8 +29,8 @@
    standard C or GNU C extensions, which are more portable and better
    optimized across multiple targets.  */
 
-#if !defined _X86INTRIN_H_INCLUDED
-# error "Never use <bmiintrin.h> directly; include <x86intrin.h> instead."
+#if !defined _X86GPRINTRIN_H_INCLUDED
+# error "Never use <bmiintrin.h> directly; include <x86gprintrin.h> instead."
 #endif
 
 #ifndef _BMIINTRIN_H_INCLUDED
diff --git a/gcc/testsuite/gcc.target/powerpc/pr104239-1.c b/gcc/testsuite/gcc.target/powerpc/pr104239-1.c
new file mode 100644
index 00000000000..eacdedd5c38
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr104239-1.c
@@ -0,0 +1,10 @@
+/* PR target/104239 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -mdejagnu-cpu=power8 -DNO_WARN_X86_INTRINSICS" } */
+/* { dg-require-effective-target powerpc_p8vector_ok } */
+
+#if __has_include(<immintrin.h>)
+#include <immintrin.h>
+#endif
+
+int i;
diff --git a/gcc/testsuite/gcc.target/powerpc/pr104239-2.c b/gcc/testsuite/gcc.target/powerpc/pr104239-2.c
new file mode 100644
index 00000000000..1bf316f9701
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr104239-2.c
@@ -0,0 +1,10 @@
+/* PR target/104239 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -mdejagnu-cpu=power8 -DNO_WARN_X86_INTRINSICS" } */
+/* { dg-require-effective-target powerpc_p8vector_ok } */
+
+#if __has_include(<x86gprintrin.h>)
+#include <x86gprintrin.h>
+#endif
+
+int i;