Merge pull request #201 from Bytom/v0.1

[bytom/vapor.git] / vendor / gonum.org / v1 / gonum / internal / asm / c128 / scalUnitary_amd64.s

diff --git a/vendor/gonum.org/v1/gonum/internal/asm/c128/scalUnitary_amd64.s b/vendor/gonum.org/v1/gonum/internal/asm/c128/scalUnitary_amd64.s
deleted file mode 100644 (file)
index 17c3ef4..0000000
--- a/vendor/gonum.org/v1/gonum/internal/asm/c128/scalUnitary_amd64.s
+++ /dev/null
@@ -1,116 +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 SRC SI
-#define DST SI
-#define LEN CX
-#define IDX AX
-#define TAIL BX
-#define ALPHA X0
-#define ALPHA_C X1
-#define ALPHA2 X10
-#define ALPHA_C2 X11
-
-#define MOVDDUP_X2_X3    LONG $0xDA120FF2 // MOVDDUP X2, X3
-#define MOVDDUP_X4_X5    LONG $0xEC120FF2 // MOVDDUP X4, X5
-#define MOVDDUP_X6_X7    LONG $0xFE120FF2 // MOVDDUP X6, X7
-#define MOVDDUP_X8_X9    LONG $0x120F45F2; BYTE $0xC8 // MOVDDUP X8, X9
-
-#define ADDSUBPD_X2_X3    LONG $0xDAD00F66 // ADDSUBPD X2, X3
-#define ADDSUBPD_X4_X5    LONG $0xECD00F66 // ADDSUBPD X4, X5
-#define ADDSUBPD_X6_X7    LONG $0xFED00F66 // ADDSUBPD X6, X7
-#define ADDSUBPD_X8_X9    LONG $0xD00F4566; BYTE $0xC8 // ADDSUBPD X8, X9
-
-// func ScalUnitary(alpha complex128, x []complex128)
-TEXT ·ScalUnitary(SB), NOSPLIT, $0
-       MOVQ x_base+16(FP), SRC // SRC = &x
-       MOVQ x_len+24(FP), LEN  // LEN = len(x)
-       CMPQ LEN, $0            // if LEN == 0 { return }
-       JE   scal_end
-
-       MOVUPS alpha+0(FP), ALPHA     // ALPHA = { imag(alpha), real(alpha) }
-       MOVAPS ALPHA, ALPHA_C
-       SHUFPD $0x1, ALPHA_C, ALPHA_C // ALPHA_C = { real(alpha), imag(alpha) }
-
-       XORQ   IDX, IDX          // IDX = 0
-       MOVAPS ALPHA, ALPHA2     // Copy ALPHA and ALPHA_C for pipelining
-       MOVAPS ALPHA_C, ALPHA_C2
-       MOVQ   LEN, TAIL
-       SHRQ   $2, LEN           // LEN = floor( n / 4 )
-       JZ     scal_tail         // if BX == 0 { goto scal_tail }
-
-scal_loop: // do {
-       MOVUPS (SRC)(IDX*8), X2   // X_i = { imag(x[i]), real(x[i]) }
-       MOVUPS 16(SRC)(IDX*8), X4
-       MOVUPS 32(SRC)(IDX*8), X6
-       MOVUPS 48(SRC)(IDX*8), X8
-
-       // X_(i+1) = { real(x[i], real(x[i]) }
-       MOVDDUP_X2_X3
-       MOVDDUP_X4_X5
-       MOVDDUP_X6_X7
-       MOVDDUP_X8_X9
-
-       // X_i = { imag(x[i]), imag(x[i]) }
-       SHUFPD $0x3, X2, X2
-       SHUFPD $0x3, X4, X4
-       SHUFPD $0x3, X6, X6
-       SHUFPD $0x3, X8, X8
-
-       // X_i     = { real(ALPHA) * imag(x[i]), imag(ALPHA) * imag(x[i])  }
-       // X_(i+1) = { imag(ALPHA) * real(x[i]), real(ALPHA) * real(x[i])  }
-       MULPD ALPHA_C, X2
-       MULPD ALPHA, X3
-       MULPD ALPHA_C2, X4
-       MULPD ALPHA2, X5
-       MULPD ALPHA_C, X6
-       MULPD ALPHA, X7
-       MULPD ALPHA_C2, X8
-       MULPD ALPHA2, X9
-
-       // X_(i+1) = {
-       //      imag(result[i]):  imag(ALPHA)*real(x[i]) + real(ALPHA)*imag(x[i]),
-       //      real(result[i]):  real(ALPHA)*real(x[i]) - imag(ALPHA)*imag(x[i])
-       //  }
-       ADDSUBPD_X2_X3
-       ADDSUBPD_X4_X5
-       ADDSUBPD_X6_X7
-       ADDSUBPD_X8_X9
-
-       MOVUPS X3, (DST)(IDX*8)   // x[i] = X_(i+1)
-       MOVUPS X5, 16(DST)(IDX*8)
-       MOVUPS X7, 32(DST)(IDX*8)
-       MOVUPS X9, 48(DST)(IDX*8)
-       ADDQ   $8, IDX            // IDX += 8
-       DECQ   LEN
-       JNZ    scal_loop          // } while --LEN > 0
-
-scal_tail:
-       ANDQ $3, TAIL // TAIL = TAIL % 4
-       JZ   scal_end // if TAIL == 0 { return }
-
-scal_tail_loop: // do {
-       MOVUPS (SRC)(IDX*8), X2 // X_i = { imag(x[i]), real(x[i]) }
-       MOVDDUP_X2_X3           // X_(i+1) = { real(x[i], real(x[i]) }
-       SHUFPD $0x3, X2, X2     // X_i = { imag(x[i]), imag(x[i]) }
-       MULPD  ALPHA_C, X2      // X_i     = { real(ALPHA) * imag(x[i]), imag(ALPHA) * imag(x[i])  }
-       MULPD  ALPHA, X3        // X_(i+1) = { imag(ALPHA) * real(x[i]), real(ALPHA) * real(x[i])  }
-
-       // X_(i+1) = {
-       //      imag(result[i]):  imag(ALPHA)*real(x[i]) + real(ALPHA)*imag(x[i]),
-       //      real(result[i]):  real(ALPHA)*real(x[i]) - imag(ALPHA)*imag(x[i])
-       //  }
-       ADDSUBPD_X2_X3
-
-       MOVUPS X3, (DST)(IDX*8) // x[i] = X_(i+1)
-       ADDQ   $2, IDX          // IDX += 2
-       DECQ   TAIL
-       JNZ    scal_tail_loop   // }  while --LEN > 0
-
-scal_end:
-       RET