Initial QSfera import

2026-06-07 10:20:04 +03:00
commit 2315f25754
16485 changed files with 4826827 additions and 0 deletions
@@ -0,0 +1,87 @@
+// Code generated by command: go run encode_asm.go -pkg base64 -out ../base64/encode_amd64.s -stubs ../base64/encode_amd64.go. DO NOT EDIT.
+
+//go:build !purego
+
+#include "textflag.h"
+
+// func encodeAVX2(dst []byte, src []byte, lut *int8) (int, int)
+// Requires: AVX, AVX2, SSE4.1
+TEXT ·encodeAVX2(SB), NOSPLIT, $0-72
+	MOVQ         dst_base+0(FP), AX
+	MOVQ         src_base+24(FP), DX
+	MOVQ         lut+48(FP), SI
+	MOVQ         src_len+32(FP), DI
+	MOVB         $0x33, CL
+	PINSRB       $0x00, CX, X4
+	VPBROADCASTB X4, Y4
+	MOVB         $0x19, CL
+	PINSRB       $0x00, CX, X5
+	VPBROADCASTB X5, Y5
+	XORQ         CX, CX
+	XORQ         BX, BX
+
+	// Load the 16-byte LUT into both lanes of the register
+	VPERMQ $0x44, (SI), Y3
+
+	// Load the first block using a mask to avoid potential fault
+	VMOVDQU    b64_enc_load<>+0(SB), Y0
+	VPMASKMOVD -4(DX)(BX*1), Y0, Y0
+
+loop:
+	VPSHUFB  b64_enc_shuf<>+0(SB), Y0, Y0
+	VPAND    b64_enc_mask1<>+0(SB), Y0, Y1
+	VPSLLW   $0x08, Y1, Y2
+	VPSLLW   $0x04, Y1, Y1
+	VPBLENDW $0xaa, Y2, Y1, Y2
+	VPAND    b64_enc_mask2<>+0(SB), Y0, Y1
+	VPMULHUW b64_enc_mult<>+0(SB), Y1, Y0
+	VPOR     Y0, Y2, Y0
+	VPSUBUSB Y4, Y0, Y1
+	VPCMPGTB Y5, Y0, Y2
+	VPSUBB   Y2, Y1, Y1
+	VPSHUFB  Y1, Y3, Y1
+	VPADDB   Y0, Y1, Y0
+	VMOVDQU  Y0, (AX)(CX*1)
+	ADDQ     $0x20, CX
+	ADDQ     $0x18, BX
+	SUBQ     $0x18, DI
+	CMPQ     DI, $0x20
+	JB       done
+	VMOVDQU  -4(DX)(BX*1), Y0
+	JMP      loop
+
+done:
+	MOVQ CX, ret+56(FP)
+	MOVQ BX, ret1+64(FP)
+	VZEROUPPER
+	RET
+
+DATA b64_enc_load<>+0(SB)/8, $0x8000000000000000
+DATA b64_enc_load<>+8(SB)/8, $0x8000000080000000
+DATA b64_enc_load<>+16(SB)/8, $0x8000000080000000
+DATA b64_enc_load<>+24(SB)/8, $0x8000000080000000
+GLOBL b64_enc_load<>(SB), RODATA|NOPTR, $32
+
+DATA b64_enc_shuf<>+0(SB)/8, $0x0809070805060405
+DATA b64_enc_shuf<>+8(SB)/8, $0x0e0f0d0e0b0c0a0b
+DATA b64_enc_shuf<>+16(SB)/8, $0x0405030401020001
+DATA b64_enc_shuf<>+24(SB)/8, $0x0a0b090a07080607
+GLOBL b64_enc_shuf<>(SB), RODATA|NOPTR, $32
+
+DATA b64_enc_mask1<>+0(SB)/8, $0x003f03f0003f03f0
+DATA b64_enc_mask1<>+8(SB)/8, $0x003f03f0003f03f0
+DATA b64_enc_mask1<>+16(SB)/8, $0x003f03f0003f03f0
+DATA b64_enc_mask1<>+24(SB)/8, $0x003f03f0003f03f0
+GLOBL b64_enc_mask1<>(SB), RODATA|NOPTR, $32
+
+DATA b64_enc_mask2<>+0(SB)/8, $0x0fc0fc000fc0fc00
+DATA b64_enc_mask2<>+8(SB)/8, $0x0fc0fc000fc0fc00
+DATA b64_enc_mask2<>+16(SB)/8, $0x0fc0fc000fc0fc00
+DATA b64_enc_mask2<>+24(SB)/8, $0x0fc0fc000fc0fc00
+GLOBL b64_enc_mask2<>(SB), RODATA|NOPTR, $32
+
+DATA b64_enc_mult<>+0(SB)/8, $0x0400004004000040
+DATA b64_enc_mult<>+8(SB)/8, $0x0400004004000040
+DATA b64_enc_mult<>+16(SB)/8, $0x0400004004000040
+DATA b64_enc_mult<>+24(SB)/8, $0x0400004004000040
+GLOBL b64_enc_mult<>(SB), RODATA|NOPTR, $32