diff options
Diffstat (limited to 'vendor/golang.org/x/crypto/salsa20/salsa/salsa2020_amd64.s')
| -rw-r--r-- | vendor/golang.org/x/crypto/salsa20/salsa/salsa2020_amd64.s | 43 |
1 files changed, 15 insertions, 28 deletions
diff --git a/vendor/golang.org/x/crypto/salsa20/salsa/salsa2020_amd64.s b/vendor/golang.org/x/crypto/salsa20/salsa/salsa2020_amd64.s index 6e1df9639..083fe3857 100644 --- a/vendor/golang.org/x/crypto/salsa20/salsa/salsa2020_amd64.s +++ b/vendor/golang.org/x/crypto/salsa20/salsa/salsa2020_amd64.s @@ -8,26 +8,20 @@ // domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html // func salsa2020XORKeyStream(out, in *byte, n uint64, nonce, key *byte) -TEXT ·salsa2020XORKeyStream(SB),0,$512-40 +// This needs up to 64 bytes at 360(SP); hence the non-obvious frame size. +TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment MOVQ out+0(FP),DI MOVQ in+8(FP),SI MOVQ n+16(FP),DX MOVQ nonce+24(FP),CX MOVQ key+32(FP),R8 - MOVQ SP,R11 - MOVQ $31,R9 - NOTQ R9 - ANDQ R9,SP - ADDQ $32,SP + MOVQ SP,R12 + MOVQ SP,R9 + ADDQ $31, R9 + ANDQ $~31, R9 + MOVQ R9, SP - MOVQ R11,352(SP) - MOVQ R12,360(SP) - MOVQ R13,368(SP) - MOVQ R14,376(SP) - MOVQ R15,384(SP) - MOVQ BX,392(SP) - MOVQ BP,400(SP) MOVQ DX,R9 MOVQ CX,DX MOVQ R8,R10 @@ -133,7 +127,7 @@ TEXT ·salsa2020XORKeyStream(SB),0,$512-40 SHRQ $32,CX MOVL DX,16(SP) MOVL CX, 36 (SP) - MOVQ R9,408(SP) + MOVQ R9,352(SP) MOVQ $20,DX MOVOA 64(SP),X0 MOVOA 80(SP),X1 @@ -650,7 +644,7 @@ TEXT ·salsa2020XORKeyStream(SB),0,$512-40 MOVL CX,244(DI) MOVL R8,248(DI) MOVL R9,252(DI) - MOVQ 408(SP),R9 + MOVQ 352(SP),R9 SUBQ $256,R9 ADDQ $256,SI ADDQ $256,DI @@ -662,13 +656,13 @@ TEXT ·salsa2020XORKeyStream(SB),0,$512-40 CMPQ R9,$64 JAE NOCOPY MOVQ DI,DX - LEAQ 416(SP),DI + LEAQ 360(SP),DI MOVQ R9,CX REP; MOVSB - LEAQ 416(SP),DI - LEAQ 416(SP),SI + LEAQ 360(SP),DI + LEAQ 360(SP),SI NOCOPY: - MOVQ R9,408(SP) + MOVQ R9,352(SP) MOVOA 48(SP),X0 MOVOA 0(SP),X1 MOVOA 16(SP),X2 @@ -867,7 +861,7 @@ TEXT ·salsa2020XORKeyStream(SB),0,$512-40 MOVL R8,44(DI) MOVL R9,28(DI) MOVL AX,12(DI) - MOVQ 408(SP),R9 + MOVQ 352(SP),R9 MOVL 16(SP),CX MOVL 36 (SP),R8 ADDQ $1,CX @@ -886,14 +880,7 @@ TEXT ·salsa2020XORKeyStream(SB),0,$512-40 REP; MOVSB BYTESATLEAST64: DONE: - MOVQ 352(SP),R11 - MOVQ 360(SP),R12 - MOVQ 368(SP),R13 - MOVQ 376(SP),R14 - MOVQ 384(SP),R15 - MOVQ 392(SP),BX - MOVQ 400(SP),BP - MOVQ R11,SP + MOVQ R12,SP RET BYTESATLEAST65: SUBQ $64,R9 |