Merge pull request #3376 from martin-frbg/issue3370

Fix a few harmless compiler warnings

Author: martin-frbg

interface/zsyr.c

@@ -119,7 +119,7 @@ void NAME(char *UPLO, blasint *N, FLOAT  *ALPHA,
 void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo, int n, FLOAT alpha, FLOAT *x, int incx, FLOAT *a, int lda) {
 
   FLOAT *buffer;
-  int trans, uplo;
+  int uplo;
   blasint info;
   FLOAT * ALPHA = α
   FLOAT alpha_r	= ALPHA[0];
@@ -130,7 +130,6 @@ void CNAME(enum CBLAS_ORDER order, enum CBLAS_UPLO Uplo, int n, FLOAT alpha, FLO
 
   PRINT_DEBUG_CNAME;
 
-  trans = -1;
   uplo  = -1;
   info  =  0;
 

kernel/generic/dot.c

@@ -47,7 +47,6 @@ FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
 
 	if ( (inc_x == 1) && (inc_y == 1) )
 	{
-        int n1 = n & -4;
 #if V_SIMD && !defined(DSDOT)
         const int vstep = v_nlanes_f32;
         const int unrollx4 = n & (-vstep * 4);
@@ -84,6 +83,7 @@ FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
         }
         dot = v_sum_f32(vsum0);
 #elif defined(DSDOT)
+        int n1 = n & -4;
 		for (; i < n1; i += 4)
 		{
 			dot += (double) y[i] * (double) x[i]
@@ -92,6 +92,7 @@ FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
 			    + (double) y[i+3] * (double) x[i+3] ;
 		}
 #else
+        int n1 = n & -4;
 		for (; i < n1; i += 4)
 		{
 			dot += y[i] * x[i]

kernel/x86_64/sgemv_n_4.c

@@ -115,6 +115,8 @@ static void sgemv_kernel_4x4(BLASLONG n, FLOAT **ap, FLOAT *xo, FLOAT *y, FLOAT
 
 #endif
 
+#ifndef HAVE_SGEMV_N_SKYLAKE_KERNEL				
+
 #ifndef HAVE_KERNEL_4x2
 
 static void sgemv_kernel_4x2( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha) __attribute__ ((noinline));
@@ -170,6 +172,7 @@ static void sgemv_kernel_4x2( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT
 
 } 
 
+#endif
 #endif
 
 #ifndef HAVE_KERNEL_4x1