Merge pull request #3048 from martin-frbg/issue2998

Temporarily revert to the old NRM2 kernels for ThunderX2/3 and NeoverseN1

Author: martin-frbg

kernel/arm64/KERNEL.NEOVERSEN1

@@ -91,10 +91,10 @@ IDAMAXKERNEL   = iamax_thunderx2t99.c
 ICAMAXKERNEL   = izamax_thunderx2t99.c
 IZAMAXKERNEL   = izamax_thunderx2t99.c
 
-SNRM2KERNEL    = scnrm2_thunderx2t99.c
-DNRM2KERNEL    = dznrm2_thunderx2t99.c
-CNRM2KERNEL    = scnrm2_thunderx2t99.c
-ZNRM2KERNEL    = dznrm2_thunderx2t99.c
+SNRM2KERNEL    = nrm2.S
+DNRM2KERNEL    = nrm2.S
+CNRM2KERNEL    = znrm2.S
+ZNRM2KERNEL    = znrm2.S
 
 DDOTKERNEL     = dot_thunderx2t99.c
 SDOTKERNEL     = dot_thunderx2t99.c

kernel/arm64/KERNEL.THUNDERX2T99

@@ -153,12 +153,12 @@ IDAMAXKERNEL   = iamax_thunderx2t99.c
 ICAMAXKERNEL   = izamax_thunderx2t99.c
 IZAMAXKERNEL   = izamax_thunderx2t99.c
 
-SNRM2KERNEL    = scnrm2_thunderx2t99.c
-CNRM2KERNEL    = scnrm2_thunderx2t99.c
+SNRM2KERNEL    = nrm2.S
+CNRM2KERNEL    = nrm2.S
 #DNRM2KERNEL    = dznrm2_thunderx2t99_fast.c
 #ZNRM2KERNEL    = dznrm2_thunderx2t99_fast.c
-DNRM2KERNEL    = dznrm2_thunderx2t99.c
-ZNRM2KERNEL    = dznrm2_thunderx2t99.c
+DNRM2KERNEL    = znrm2.S
+ZNRM2KERNEL    = znrm2.S
 
 
 DDOTKERNEL     = dot_thunderx2t99.c

kernel/arm64/KERNEL.THUNDERX3T110

@@ -153,13 +153,16 @@ IDAMAXKERNEL   = iamax_thunderx2t99.c
 ICAMAXKERNEL   = izamax_thunderx2t99.c
 IZAMAXKERNEL   = izamax_thunderx2t99.c
 
-SNRM2KERNEL    = scnrm2_thunderx2t99.c
-CNRM2KERNEL    = scnrm2_thunderx2t99.c
-#DNRM2KERNEL    = dznrm2_thunderx2t99_fast.c
-#ZNRM2KERNEL    = dznrm2_thunderx2t99_fast.c
-DNRM2KERNEL    = dznrm2_thunderx2t99.c
-ZNRM2KERNEL    = dznrm2_thunderx2t99.c
-
+#SNRM2KERNEL    = scnrm2_thunderx2t99.c
+#CNRM2KERNEL    = scnrm2_thunderx2t99.c
+##DNRM2KERNEL    = dznrm2_thunderx2t99_fast.c
+##ZNRM2KERNEL    = dznrm2_thunderx2t99_fast.c
+#DNRM2KERNEL    = dznrm2_thunderx2t99.c
+#ZNRM2KERNEL    = dznrm2_thunderx2t99.c
+SNRM2KERNEL = nrm2.S
+DNRM2KERNEL = nrm2.S
+CNRM2KERNEL = znrm2.S
+ZNRM2KERNEL = znrm2.S
 
 DDOTKERNEL     = dot_thunderx2t99.c
 SDOTKERNEL     = dot_thunderx2t99.c

kernel/x86_64/srot.c

@@ -13,7 +13,7 @@ static void srot_kernel(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT c, FLOAT s)
 {
     BLASLONG i = 0;
 
-#if V_SIMD && (defined(HAVE_FMA3) || V_SIMD > 128)
+#if V_SIMD && !defined(C_PGI) && (defined(HAVE_FMA3) || V_SIMD > 128)
     const int vstep = v_nlanes_f32;
     const int unrollx4 = n & (-vstep * 4);
     const int unrollx = n & -vstep;