File glibc-2.16-fix-fenv-header.patch of Package glibc

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File glibc-2.16-fix-fenv-header.patch of Package glibc

2012-06-06  H.J. Lu  <hongjiu.lu@intel.com>

[BZ #14117]
	* sysdeps/x86_64/fpu/bits/fenv.h (feraiseexcept): Check
	__SSE_MATH__.

Index: glibc-2.15/sysdeps/x86_64/fpu/bits/fenv.h
===================================================================
--- glibc-2.15.orig/sysdeps/x86_64/fpu/bits/fenv.h	2012-11-21 12:25:53.260725427 +0100
+++ glibc-2.15/sysdeps/x86_64/fpu/bits/fenv.h	2012-11-21 12:26:18.209550638 +0100
@@ -113,7 +113,12 @@ __NTH (feraiseexcept (int __excepts))
 	  /* One example of a invalid operation is 0.0 / 0.0.  */
 	  float __f = 0.0;
 
+# ifdef __SSE_MATH__
 	  __asm__ __volatile__ ("divss %0, %0 " : : "x" (__f));
+# else
+	  __asm__ __volatile__ ("fdiv %%st, %%st(0); fwait"
+				: "=t" (__f) : "0" (__f));
+# endif
 	  (void) &__f;
 	}
       if ((FE_DIVBYZERO & __excepts) != 0)
@@ -121,7 +126,12 @@ __NTH (feraiseexcept (int __excepts))
 	  float __f = 1.0;
 	  float __g = 0.0;
 
+# ifdef __SSE_MATH__
 	  __asm__ __volatile__ ("divss %1, %0" : : "x" (__f), "x" (__g));
+# else
+	  __asm__ __volatile__ ("fdivp %%st, %%st(1); fwait"
+				: "=t" (__f) : "0" (__f), "u" (__g) : "st(1)");
+# endif
 	  (void) &__f;
 	}

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File glibc-2.16-fix-fenv-header.patch of Package glibc

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