Thanos did someting

[bytom/vapor.git] / vendor / gonum.org / v1 / gonum / internal / asm / f32 / ddotinc_amd64.s

diff --git a/vendor/gonum.org/v1/gonum/internal/asm/f32/ddotinc_amd64.s b/vendor/gonum.org/v1/gonum/internal/asm/f32/ddotinc_amd64.s
deleted file mode 100644 (file)
index 68c7fa9..0000000
--- a/vendor/gonum.org/v1/gonum/internal/asm/f32/ddotinc_amd64.s
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright ©2017 The Gonum Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//+build !noasm,!appengine
-
-#include "textflag.h"
-
-#define X_PTR SI
-#define Y_PTR DI
-#define LEN CX
-#define TAIL BX
-#define INC_X R8
-#define INCx3_X R10
-#define INC_Y R9
-#define INCx3_Y R11
-#define SUM X0
-#define P_SUM X1
-
-// func DdotInc(x, y []float32, n, incX, incY, ix, iy uintptr) (sum float64)
-TEXT ·DdotInc(SB), NOSPLIT, $0
-       MOVQ x_base+0(FP), X_PTR  // X_PTR = &x
-       MOVQ y_base+24(FP), Y_PTR // Y_PTR = &y
-       MOVQ n+48(FP), LEN        // LEN = n
-       PXOR SUM, SUM             // SUM = 0
-       CMPQ LEN, $0
-       JE   dot_end
-
-       MOVQ ix+72(FP), INC_X        // INC_X = ix
-       MOVQ iy+80(FP), INC_Y        // INC_Y = iy
-       LEAQ (X_PTR)(INC_X*4), X_PTR // X_PTR = &(x[ix])
-       LEAQ (Y_PTR)(INC_Y*4), Y_PTR // Y_PTR = &(y[iy])
-
-       MOVQ incX+56(FP), INC_X // INC_X = incX * sizeof(float32)
-       SHLQ $2, INC_X
-       MOVQ incY+64(FP), INC_Y // INC_Y = incY * sizeof(float32)
-       SHLQ $2, INC_Y
-
-       MOVQ LEN, TAIL
-       ANDQ $3, TAIL  // TAIL = LEN % 4
-       SHRQ $2, LEN   // LEN = floor( LEN / 4 )
-       JZ   dot_tail  // if LEN == 0 { goto dot_tail }
-
-       PXOR P_SUM, P_SUM              // P_SUM = 0  for pipelining
-       LEAQ (INC_X)(INC_X*2), INCx3_X // INCx3_X = INC_X * 3
-       LEAQ (INC_Y)(INC_Y*2), INCx3_Y // INCx3_Y = INC_Y * 3
-
-dot_loop: // Loop unrolled 4x  do {
-       CVTSS2SD (X_PTR), X2            // X_i = x[i:i+1]
-       CVTSS2SD (X_PTR)(INC_X*1), X3
-       CVTSS2SD (X_PTR)(INC_X*2), X4
-       CVTSS2SD (X_PTR)(INCx3_X*1), X5
-
-       CVTSS2SD (Y_PTR), X6            // X_j = y[i:i+1]
-       CVTSS2SD (Y_PTR)(INC_Y*1), X7
-       CVTSS2SD (Y_PTR)(INC_Y*2), X8
-       CVTSS2SD (Y_PTR)(INCx3_Y*1), X9
-
-       MULSD X6, X2 // X_i *= X_j
-       MULSD X7, X3
-       MULSD X8, X4
-       MULSD X9, X5
-
-       ADDSD X2, SUM   // SUM += X_i
-       ADDSD X3, P_SUM
-       ADDSD X4, SUM
-       ADDSD X5, P_SUM
-
-       LEAQ (X_PTR)(INC_X*4), X_PTR // X_PTR = &(X_PTR[INC_X * 4])
-       LEAQ (Y_PTR)(INC_Y*4), Y_PTR // Y_PTR = &(Y_PTR[INC_Y * 4])
-
-       DECQ LEN
-       JNZ  dot_loop // } while --LEN > 0
-
-       ADDSD P_SUM, SUM // SUM += P_SUM
-       CMPQ  TAIL, $0   // if TAIL == 0 { return }
-       JE    dot_end
-
-dot_tail: // do {
-       CVTSS2SD (X_PTR), X2  // X2 = x[i]
-       CVTSS2SD (Y_PTR), X3  // X2 *= y[i]
-       MULSD    X3, X2
-       ADDSD    X2, SUM      // SUM += X2
-       ADDQ     INC_X, X_PTR // X_PTR += INC_X
-       ADDQ     INC_Y, Y_PTR // Y_PTR += INC_Y
-       DECQ     TAIL
-       JNZ      dot_tail     // } while --TAIL > 0
-
-dot_end:
-       MOVSD SUM, sum+88(FP) // return SUM
-       RET