File: fq_amd64.s

package info (click to toggle)
golang-github-cloudflare-circl 1.0.0%2B20200724-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 5,788 kB
  • sloc: asm: 19,418; ansic: 1,289; makefile: 54
file content (56 lines) | stat: -rw-r--r-- 1,320 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
// +build amd64,!purego

#include "fq_amd64.h"

#define fqMulLegacy \
    _fqMulLeg(0(DI),0(SI),0(BX))
#define fqMulBmi2 \
    _fqMulBmi2(0(DI),0(SI),0(BX))

#define fqSqrLegacy \
    _fqSqrLeg(0(DI),0(SI))
#define fqSqrBmi2 \
    _fqSqrBmi2(0(DI),0(SI))

// func fqCmov(c, a *fq, b int)
TEXT ·fqCmov(SB),0,$0-24
    MOVQ c+0(FP), DI
    MOVQ a+8(FP), SI
    MOVQ b+16(FP), BX
    TESTQ BX, BX
    MOVQ  0(DI), AX; MOVQ  0(SI), DX; CMOVQNE DX, AX; MOVQ AX,  0(DI);
    MOVQ  8(DI), AX; MOVQ  8(SI), DX; CMOVQNE DX, AX; MOVQ AX,  8(DI);
    MOVQ 16(DI), AX; MOVQ 16(SI), DX; CMOVQNE DX, AX; MOVQ AX, 16(DI);
    MOVQ 24(DI), AX; MOVQ 24(SI), DX; CMOVQNE DX, AX; MOVQ AX, 24(DI);
    RET

// func fqAdd(c, a, b *fq)
TEXT ·fqAdd(SB),0,$0-24
    MOVQ c+0(FP), DI
    MOVQ a+8(FP), SI
    MOVQ b+16(FP), BX
    _fqAdd(0(DI), 0(SI), 0(BX))
    RET

// func fqSub(c, a, b *fq)
TEXT ·fqSub(SB),0,$0-24
    MOVQ c+0(FP), DI
    MOVQ a+8(FP), SI
    MOVQ b+16(FP), BX
    _fqSub(0(DI), 0(SI), 0(BX))
    RET

// func fqMul(c, a, b *fq)
TEXT ·fqMul(SB),0,$0-24
    MOVQ c+0(FP), DI
    MOVQ a+8(FP), SI
    MOVQ b+16(FP), BX
    CHECK_BMI2(LFQMUL, fqMulLegacy, fqMulBmi2)
    RET

// func fqSqr(c, a *fq)
TEXT ·fqSqr(SB),0,$0-16
    MOVQ c+0(FP), DI
    MOVQ a+8(FP), SI
    CHECK_BMI2(LFQSQR, fqSqrLegacy, fqSqrBmi2)
    RET