* gcc.target/i386/sse2-mmx.c (unsigned_add3): Use _mm_setzero_si64

	to zero carry.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@133043 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/testsuite/gcc.target/i386/sse2-mmx.c b/gcc/testsuite/gcc.target/i386/sse2-mmx.c
index cc2381e..ca375cb 100644 (file)
--- a/gcc/testsuite/gcc.target/i386/sse2-mmx.c
+++ b/gcc/testsuite/gcc.target/i386/sse2-mmx.c
@@ -23,10 +23,10 @@ unsigned_add3 (const __m64 * a, const __m64 * b,
 
   unsigned int i;
 
 
   unsigned int i;
 

-  one = _mm_cmpeq_pi8 (_a, _a);
-  one = _mm_sub_si64 (_mm_xor_si64 (one, one), one);
+  carry = _mm_setzero_si64 ();

 
 

-  carry = _mm_xor_si64 (one, one);
+  one = _mm_cmpeq_pi8 (carry, carry);
+  one = _mm_sub_si64 (carry, one);

 
   for (i = 0; i < count; i++)
     {
 
   for (i = 0; i < count; i++)
     {


@@ -49,7 +49,6 @@ unsigned_add3 (const __m64 * a, const __m64 * b,
       carry = _mm_srli_si64 (carry, 63);
     }
 
       carry = _mm_srli_si64 (carry, 63);
     }
 

-  _mm_empty ();

   return carry;
 }
 
   return carry;
 }
 


@@ -66,6 +65,8 @@ sse2_test (void)
   carry = (unsigned long long) unsigned_add3
     ((__m64 *)a, (__m64 *)b, (__m64 *)result, N);
 
   carry = (unsigned long long) unsigned_add3
     ((__m64 *)a, (__m64 *)b, (__m64 *)result, N);
 

+  _mm_empty ();
+

   if (carry != 1)
     abort ();
 
   if (carry != 1)
     abort ();