re PR target/80298 (<x86intrin.h> incompatible with -mno-sse)

	PR target/80298
	* config/i386/mmintrin.h: Add -msse target option when __SSE__ is
	not defined for x86_64 target.  Add -mmmx target option when __SSE2__
	is not defined.
	* config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
	for x86_64 target.  Handle -m3dnowa option.

From-SVN: r246708

gcc/ChangeLog

+2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/80298
+	* config/i386/mmintrin.h: Add -msse target option when __SSE__ is
+	not defined for x86_64 target.  Add -mmmx target option when __SSE2__
+	is not defined.
+	* config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
+	for x86_64 target.  Handle -m3dnowa option.
+
 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
 
 	PR rtl-optimization/70703

gcc/config/i386/mm3dnow.h

@@ -30,9 +30,13 @@
 #include <mmintrin.h>
 #include <prfchwintrin.h>
 
-#ifndef __3dNOW__
+#if defined __x86_64__ && !defined __SSE__ || !defined __3dNOW__
 #pragma GCC push_options
+#ifdef __x86_64__
+#pragma GCC target("sse,3dnow")
+#else
 #pragma GCC target("3dnow")
+#endif
 #define __DISABLE_3dNOW__
 #endif /* __3dNOW__ */
 
@@ -176,7 +180,20 @@ _m_to_float (__m64 __A)
   return __tmp.a[0];
 }
 
-#ifdef __3dNOW_A__
+#ifdef __DISABLE_3dNOW__
+#undef __DISABLE_3dNOW__
+#pragma GCC pop_options
+#endif /* __DISABLE_3dNOW__ */
+
+#if defined __x86_64__ && !defined __SSE__ || !defined __3dNOW_A__
+#pragma GCC push_options
+#ifdef __x86_64__
+#pragma GCC target("sse,3dnowa")
+#else
+#pragma GCC target("3dnowa")
+#endif
+#define __DISABLE_3dNOW_A__
+#endif /* __3dNOW_A__ */
 
 extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _m_pf2iw (__m64 __A)
@@ -208,11 +225,9 @@ _m_pswapd (__m64 __A)
   return (__m64)__builtin_ia32_pswapdsf ((__v2sf)__A);
 }
 
-#endif /* __3dNOW_A__ */
-
-#ifdef __DISABLE_3dNOW__
-#undef __DISABLE_3dNOW__
+#ifdef __DISABLE_3dNOW_A__
+#undef __DISABLE_3dNOW_A__
 #pragma GCC pop_options
-#endif /* __DISABLE_3dNOW__ */
+#endif /* __DISABLE_3dNOW_A__ */
 
 #endif /* _MM3DNOW_H_INCLUDED */

gcc/config/i386/mmintrin.h

@@ -27,9 +27,13 @@
 #ifndef _MMINTRIN_H_INCLUDED
 #define _MMINTRIN_H_INCLUDED
 
-#ifndef __MMX__
+#if defined __x86_64__ && !defined __SSE__ || !defined __MMX__
 #pragma GCC push_options
+#ifdef __x86_64__
+#pragma GCC target("sse,mmx")
+#else
 #pragma GCC target("mmx")
+#endif
 #define __DISABLE_MMX__
 #endif /* __MMX__ */
 
@@ -311,7 +315,7 @@ _m_paddd (__m64 __m1, __m64 __m2)
 /* Add the 64-bit values in M1 to the 64-bit values in M2.  */
 #ifndef __SSE2__
 #pragma GCC push_options
-#pragma GCC target("sse2")
+#pragma GCC target("sse2,mmx")
 #define __DISABLE_SSE2__
 #endif /* __SSE2__ */
 
@@ -423,7 +427,7 @@ _m_psubd (__m64 __m1, __m64 __m2)
 /* Add the 64-bit values in M1 to the 64-bit values in M2.  */
 #ifndef __SSE2__
 #pragma GCC push_options
-#pragma GCC target("sse2")
+#pragma GCC target("sse2,mmx")
 #define __DISABLE_SSE2__
 #endif /* __SSE2__ */