Merge pull request #201 from Bytom/v0.1

[bytom/vapor.git] / vendor / gonum.org / v1 / gonum / internal / asm / f32 / axpyinc_amd64.s

diff --git a/vendor/gonum.org/v1/gonum/internal/asm/f32/axpyinc_amd64.s b/vendor/gonum.org/v1/gonum/internal/asm/f32/axpyinc_amd64.s
deleted file mode 100644 (file)
index 2b3126f..0000000
--- a/vendor/gonum.org/v1/gonum/internal/asm/f32/axpyinc_amd64.s
+++ /dev/null
@@ -1,73 +0,0 @@
-// Copyright ©2016 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"
-
-// func AxpyInc(alpha float32, x, y []float32, n, incX, incY, ix, iy uintptr)
-TEXT ·AxpyInc(SB), NOSPLIT, $0
-       MOVQ  n+56(FP), CX      // CX = n
-       CMPQ  CX, $0            // if n==0 { return }
-       JLE   axpyi_end
-       MOVQ  x_base+8(FP), SI  // SI = &x
-       MOVQ  y_base+32(FP), DI // DI = &y
-       MOVQ  ix+80(FP), R8     // R8 = ix
-       MOVQ  iy+88(FP), R9     // R9 = iy
-       LEAQ  (SI)(R8*4), SI    // SI = &(x[ix])
-       LEAQ  (DI)(R9*4), DI    // DI = &(y[iy])
-       MOVQ  DI, DX            // DX = DI   Read Pointer for y
-       MOVQ  incX+64(FP), R8   // R8 = incX
-       SHLQ  $2, R8            // R8 *= sizeof(float32)
-       MOVQ  incY+72(FP), R9   // R9 = incY
-       SHLQ  $2, R9            // R9 *= sizeof(float32)
-       MOVSS alpha+0(FP), X0   // X0 = alpha
-       MOVSS X0, X1            // X1 = X0  // for pipelining
-       MOVQ  CX, BX
-       ANDQ  $3, BX            // BX = n % 4
-       SHRQ  $2, CX            // CX = floor( n / 4 )
-       JZ    axpyi_tail_start  // if CX == 0 { goto axpyi_tail_start }
-
-axpyi_loop: // Loop unrolled 4x   do {
-       MOVSS (SI), X2       // X_i = x[i]
-       MOVSS (SI)(R8*1), X3
-       LEAQ  (SI)(R8*2), SI // SI = &(SI[incX*2])
-       MOVSS (SI), X4
-       MOVSS (SI)(R8*1), X5
-       MULSS X1, X2         // X_i *= a
-       MULSS X0, X3
-       MULSS X1, X4
-       MULSS X0, X5
-       ADDSS (DX), X2       // X_i += y[i]
-       ADDSS (DX)(R9*1), X3
-       LEAQ  (DX)(R9*2), DX // DX = &(DX[incY*2])
-       ADDSS (DX), X4
-       ADDSS (DX)(R9*1), X5
-       MOVSS X2, (DI)       // y[i] = X_i
-       MOVSS X3, (DI)(R9*1)
-       LEAQ  (DI)(R9*2), DI // DI = &(DI[incY*2])
-       MOVSS X4, (DI)
-       MOVSS X5, (DI)(R9*1)
-       LEAQ  (SI)(R8*2), SI // SI = &(SI[incX*2])  // Increment addresses
-       LEAQ  (DX)(R9*2), DX // DX = &(DX[incY*2])
-       LEAQ  (DI)(R9*2), DI // DI = &(DI[incY*2])
-       LOOP  axpyi_loop     // } while --CX > 0
-       CMPQ  BX, $0         // if BX == 0 { return }
-       JE    axpyi_end
-
-axpyi_tail_start: // Reset loop registers
-       MOVQ BX, CX // Loop counter: CX = BX
-
-axpyi_tail: // do {
-       MOVSS (SI), X2   // X2 = x[i]
-       MULSS X1, X2     // X2 *= a
-       ADDSS (DI), X2   // X2 += y[i]
-       MOVSS X2, (DI)   // y[i] = X2
-       ADDQ  R8, SI     // SI = &(SI[incX])
-       ADDQ  R9, DI     // DI = &(DI[incY])
-       LOOP  axpyi_tail // } while --CX > 0
-
-axpyi_end:
-       RET
-