1 files changed, 144 insertions, 0 deletions
diff --git a/vendor/github.com/dchest/siphash/blocks_arm.s b/vendor/github.com/dchest/siphash/blocks_arm.s
new file mode 100644
index 0000000..bfcfd9b
--- /dev/null
+++ b/vendor/github.com/dchest/siphash/blocks_arm.s
@@ -0,0 +1,144 @@
+#include "textflag.h"
+
+#define ROUND()\
+	ADD.S	R2,R0,R0;\
+	ADC	R3,R1,R1;\
+	EOR	R2<<13,R0,R8;\
+	EOR	R3>>19,R8,R8;\
+	EOR	R2>>19,R1,R11;\
+	EOR	R3<<13,R11,R11;\
+	ADD.S	R6,R4,R4;\
+	ADC	R7,R5,R5;\
+	EOR	R6<<16,R4,R2;\
+	EOR	R7>>16,R2,R2;\
+	EOR	R6>>16,R5,R3;\
+	EOR	R7<<16,R3,R3;\
+	ADD.S	R2,R1,R1;\
+	ADC	R3,R0,R0;\
+	EOR	R2<<21,R1,R6;\
+	EOR	R3>>11,R6,R6;\
+	EOR	R2>>11,R0,R7;\
+	EOR	R3<<21,R7,R7;\
+	ADD.S	R8,R4,R4;\
+	ADC	R11,R5,R5;\
+	EOR	R8<<17,R4,R2;\
+	EOR	R11>>15,R2,R2;\
+	EOR	R8>>15,R5,R3;\
+	EOR	R11<<17,R3,R3;\
+	ADD.S	R2,R1,R1;\
+	ADC	R3,R0,R0;\
+	EOR	R2<<13,R1,R8;\
+	EOR	R3>>19,R8,R8;\
+	EOR	R2>>19,R0,R11;\
+	EOR	R3<<13,R11,R11;\
+	ADD.S	R6,R5,R5;\
+	ADC	R7,R4,R4;\
+	EOR	R6<<16,R5,R2;\
+	EOR	R7>>16,R2,R2;\
+	EOR	R6>>16,R4,R3;\
+	EOR	R7<<16,R3,R3;\
+	ADD.S	R2,R0,R0;\
+	ADC	R3,R1,R1;\
+	EOR	R2<<21,R0,R6;\
+	EOR	R3>>11,R6,R6;\
+	EOR	R2>>11,R1,R7;\
+	EOR	R3<<21,R7,R7;\
+	ADD.S	R8,R5,R5;\
+	ADC	R11,R4,R4;\
+	EOR	R8<<17,R5,R2;\
+	EOR	R11>>15,R2,R2;\
+	EOR	R8>>15,R4,R3;\
+	EOR	R11<<17,R3,R3;
+
+// once(d *digest)
+TEXT ·once(SB),NOSPLIT,$4-4
+	MOVW	d+0(FP),R8
+	MOVM.IA	(R8),[R0,R1,R2,R3,R4,R5,R6,R7]
+	MOVW	48(R8),R12
+	MOVW	52(R8),R14
+	EOR	R12,R6,R6
+	EOR	R14,R7,R7
+	ROUND()
+	EOR	R12,R0,R0
+	EOR	R14,R1,R1
+	MOVW	d+0(FP),R8
+	MOVM.IA [R0,R1,R2,R3,R4,R5,R6,R7],(R8)
+	RET
+
+// finalize(d *digest) uint64
+TEXT ·finalize(SB),NOSPLIT,$4-12
+	MOVW	d+0(FP),R8
+	MOVM.IA	(R8),[R0,R1,R2,R3,R4,R5,R6,R7]
+	MOVW	48(R8),R12
+	MOVW	52(R8),R14
+	EOR	R12,R6,R6
+	EOR	R14,R7,R7
+	ROUND()
+	EOR	R12,R0,R0
+	EOR	R14,R1,R1
+	EOR	$255,R4
+	ROUND()
+	ROUND()
+	EOR	R2,R0,R0
+	EOR	R3,R1,R1
+	EOR	R6,R4,R4
+	EOR	R7,R5,R5
+	EOR	R4,R0,R0
+	EOR	R5,R1,R1
+	MOVW	R0,ret_lo+4(FP)
+	MOVW	R1,ret_hi+8(FP)
+	RET
+
+// blocks(d *digest, data []uint8)
+TEXT ·blocks(SB),NOSPLIT,$8-16
+	MOVW	R9,sav-8(SP)
+	MOVW	d+0(FP),R8
+	MOVM.IA	(R8),[R0,R1,R2,R3,R4,R5,R6,R7]
+	MOVW	p+4(FP),R9
+	MOVW	p_len+8(FP),R11
+	ADD	R9,R11,R11
+	MOVW	R11,endp-4(SP)
+	AND.S   $3,R9,R8
+	BNE     blocksunaligned
+blocksloop:
+	MOVM.IA.W (R9),[R12,R14]
+	EOR	R12,R6,R6
+	EOR	R14,R7,R7
+	ROUND()
+	EOR	R12,R0,R0
+	EOR	R14,R1,R1
+	MOVW	endp-4(SP),R11
+	CMP	R11,R9
+	BLO	blocksloop
+	MOVW	d+0(FP),R8
+	MOVM.IA [R0,R1,R2,R3,R4,R5,R6,R7],(R8)
+	MOVW	sav-8(SP),R9
+	RET
+blocksunaligned:
+	MOVBU    (R9),R12
+	MOVBU    1(R9),R11
+	ORR     R11<<8,R12,R12
+	MOVBU    2(R9),R11
+	ORR     R11<<16,R12,R12
+	MOVBU    3(R9),R11
+	ORR     R11<<24,R12,R12
+	MOVBU    4(R9),R14
+	MOVBU    5(R9),R11
+	ORR     R11<<8,R14,R14
+	MOVBU    6(R9),R11
+	ORR     R11<<16,R14,R14
+	MOVBU    7(R9),R11
+	ORR     R11<<24,R14,R14
+	ADD     $8,R9,R9
+	EOR     R12,R6,R6
+	EOR     R14,R7,R7
+	ROUND()
+	EOR     R12,R0,R0
+	EOR     R14,R1,R1
+	MOVW    endp-4(SP),R11
+	CMP     R11,R9
+	BLO     blocksunaligned
+	MOVW    d+0(FP),R8
+	MOVM.IA [R0,R1,R2,R3,R4,R5,R6,R7],(R8)
+	MOVW    sav-8(SP),R9
+	RET