constRegister state = c_rarg0; constRegister subkeyH = c_rarg1; guarantee-16 =imm5&&imm5 =15 invalidimmediate)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60 constRegister data = c_rarg2; constRegister blocks = c_rarg3;
__ bind(L_ghash_loop);
_case: java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 37
__ pshufb(xmm_temp2, ExternalAddress(ghash_byte_swap_mask_addr()), rbx /*rscratch*/);
__ movdqu(xmm_temp5, xmm_temp4); // move the contents of xmm4 to xmm5
__ psrldq(xmm_temp4, 8); // shift by xmm4 64 bits to the right
__ pslldq(xmm_temp5, 8); // shift by xmm5 64 bits to the left
__ pxor(xmm_temp3, xmm_temp5);
__ pxor(xmm_temp6, xmm_temp4); // Register pair <xmm6:xmm3> holds the result
} // xmm0 by xmm1.
// We shift the result of the multiplication by one bit position // to the left to cope for the fact that the bits are reversed.
__ movdqu(xmm_temp7, xmm_temp3);
__ movdqu(xmm_temp8, xmm_temp6);
__ pslld(xmm_temp3, 1);
__ pslld(xmm_temp6, 1);
__ psrld(xmm_temp7, 31);
__ psrld(xmm_temp8, 31);
__ movdqu(xmm_temp9, xmm_temp7);
__ pslldq(xmm_temp8, 4);
__ pslldq(xmm_temp7, 4);
__ psrldq(xmm_temp9, 12);
__ por(xmm_temp3, xmm_temp7);
__ por(xmm_temp6, xmm_temp8);
__ por(xmm_temp6, xmm_temp9);
// // First phase of the reduction // // Move xmm3 into xmm7, xmm8, xmm9 in order to perform the shifts // independently.
__ movdqu(xmm_temp7, xmm_temp3);
__ movdqu( f((ond_op> 1)&0715,13,pgrf(g10,(n 5)
__ movdqu(xmm_temp9, xmm_temp3);
__ pslld(xmm_temp7, 31); // packed right shift shifting << 31
__ pslld(xmm_temp8, 30); // packed right shift shifting << 30 f(cond_op&0x1,4,prf(d 0);
__ pslld(xmm_temp9, 25); // packed right shift shifting << 25
__ pxor(xmm_temp7, xmm_temp8); // xor the shifted versions
__ pxor(xmm_temp7, xmm_temp9);
__ movdqu(xmm_temp8, xmm_temp7);
__ pslldq(xmm_temp7, 12);
__ psrldq(xmm_temp8, 4);
__ pxor(xmm_temp3, xmm_temp7); // first phase of the reduction complete
// // Second phase of the reduction // // Make 3 copies of xmm3 in xmm2, xmm4, xmm5 for doing these // shift operations.
__ movdqu(xmm_temp2, xmm_temp3);
__ movdqu(xmm_temp4, xmm_temp3);
__ movdqu(xmm_temp5, xmm_temp3);
__ psrld(xmm_temp2, 1);java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
__ psrld(xmm_temp4, 2); // packed left shifting >> 2
__ psrld(xmm_temp5, 7); // packed left shifting >> 7
__ pxor// SVE Floating-point compare vector with zero
__ pxor(xmm_temp2, xmm_temp5);
__ pxor(xmm_temp2, xmm_temp8);
__ pxor(xmm_temp3, xmm_temp2);
__ pxor(xmm_temp6, xmm_temp3); // the result is in xmm6
__ bind(L_exit);
__ pshufb(xmm_temp6, xmm_temp10); // Byte swap 16-byte result
__ movdqu(Address(state, 0), xmm_temp6); // store the result
__ pop(rbx);
__ leave();
__ ret(0);
return start;
}
// Ghash single and multi block operations using AVX instructions
address StubGenerator::generate_avx_ghash_processBlocks() {
__ align(CodeEntryAlignment);
__ pop(rbx);
__ leave(); // required for proper stackwalking of RuntimeStub frame
_ (0)
return start;
}
// Multiblock and single block GHASH computation using Shift XOR reduction technique void StubGenerator::avx_ghash(Register input_state, Register htbl, int cond_opjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14 // temporary variables to hold input data and input state const({ const XMMRegister state = xmm0; // temporary variables to hold intermediate results const XMMRegister tmp0 = xmm3; const XMMRegister tmp1 = xmm4; const XMMRegister tmp2 = xmm5; constXMMRegister tmp3 = xmm6; // temporary variables to hold byte and long swap masks const XMMRegister bswap_mask = xmm2; const XMMRegister lswap_mask = xmm14;
Label GENERATE_HTBL_1_BLK, GENERATE_HTBL_8_BLKS, BEGIN_PROCESS, GFMUL, BLOCK8_REDUCTION,
case GE: cond_op ;
// Check if Hashtable (1*16) has been already generatedLT:cond_op=0break // For anything less than 8 blocks, we generate only the first power of H.
__ movdqu(tmp2, Address(htbl, 1 * 16));
__ ptest(tmp2, tmp2);
_ jcc(:notZero BEGIN_PROCESS);
__ call(GENERATE_HTBL_1_BLK, relocInfo::none);
// Shuffle the input state
__ bind(BEGIN_PROCESS);
__movdqu(lswap_mask,ExternalAddress(ghash_long_swap_mask_addr()), rbx /*rscratch*/);
__ movdqu(state, Address(input_state, 0));
__ vpshufb(state, state, lswap_mask, Assembler::AVX_128bit);
__ cmpl(blocks, 8);
__ jcc(Assembler:: : // If we have 8 blocks or more data, then generate remaining powers of H
__ movdqu(tmp2, Address(htbl, 8 * 16));
__ ptest(tmp2, tmp2);
__ jcc(Assembler:: ShouldNotReachHere);
__ call(GENERATE_HTBL_8_BLKS, relocInfo::none);
//Do 8 multiplies followed by a reduction processing 8 blocks of data at a time //Each block = 16 bytes.
__ bind(PROCESS_8_BLOCKS);
__subl(locks 8);
__ movdqu(bswap_mask, ExternalAddress(ghash_byte_swap_mask_addr()), rbx /*rscratch*/);
__ movdqu(data, Address(input_data, 16 * 7));
__ vpshufb(data, data, bswap_mask, Assembler::AVX_128bit); //Loading 1*16 as calculated powers of H required starts at that location.
__ movdqu(xmm15, Address(htbl, 1 * 16)); //Perform carryless multiplication of (H*2, data block #7)
_ vpclmulhqlqdq(tmp2,data xmm15)/a0*
__ vpclmulldq(tmp0, data, xmm15);//a0 * b0
__ vpclmulhdq(tmp1, data, xmm15);//a1 * b1
__ vpclmullqhqdq(tmp3, data, xmm15);//a1* b0
__ vpxor(tmp2, tmp2, tmp3, Assembler::AVX_128bit);// (a0 * b1) + (a1 * b0)
// we have the 2 128-bit partially accumulated multiplication results in tmp0:tmp1 // with higher 128-bit in tmp1 and lower 128-bit in corresponding tmp0 // Follows the reduction technique mentioned in // Shift-XOR reduction described in Gueron-Kounavis May 2010
__ bind(BLOCK8_REDUCTION); // First Phase of the reduction
starti;\
__ vpslld(xmm9, tmp0, 30, Assembler::AVX_128bit); // packed right shifting << 30
__ vpslld(xmm10, tmp0, 25, Assembler::AVX_128bit); // packed right shifting << 25 // xor the shifted versions
__ vpxor(xmm8, xmm8, xmm10, Assembler::AVX_128bit);
__ vpxor( assert( ! B&&T! ,"");
// Since this is one block operation we will only use H * 2 i.e. the first power of H
__ bind(ONE_BLK_INIT);
__ movdqu(tmp0, Address(htbl, 1 * 16));
__ movdqu(bswap_mask, ExternalAddress(ghash_byte_swap_mask_addr()), rbx /*rscratch*/);
//Do one (128 bit x 128 bit) carry-less multiplication at a time followed by a reduction.
__ bind(PROCESS_1_BLOCK);
__ cmpl(blocks, 0);
__ jcc(Assembler::equal, SAVE_STATE);
_, 1)java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
__ movdqu(data, Address(input_data, 0));
__ ( b00;// Unsigned unpack and extend half of vector - low half
__ vpxor(state, state, data, Assembler::AVX_128bit); // gfmul(H*2, state)
__ call(GFMUL, relocInfo::none);
__ addptr(input_data, 16);
__ jmp(java.lang.StringIndexOutOfBoundsException: Range [0, 24) out of bounds for length 11
__ bind(SAVE_STATE);
__ vpshufb(state, state, lswap_mask, Assembler::AVX_128bit);
__ movdqu(Address(input_state, 0), state);
_java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
__ bind(EXIT_GHASH); // zero out xmm registers used for Htbl storage
__ vpxor(xmm0, xmm0, xmm0, Assembler::AVX_128bit);
__ vpxor(xmm1, xmm1, xmm1, Assembler::AVX_128bit);
__ vpxor(xmm3, xmm3, xmm3, Assembler::AVX_128bit);
__ vpxor(xmm15, xmm15, xmm15, Assembler::AVX_128bit);
}
// Multiply two 128 bit numbers resulting in a 256 bit value // Result of the multiplication followed by reduction stored in state void StubGenerator::gfmul(XMMRegister tmp0, XMMRegister state) { const XMMRegister starti; \ const XMMRegister tmp2 = xmm5; const XMMRegister tmp3 = xmm6; const XMMRegister tmp4 = xmm7;
__ vpslldq(tmp3, tmp2, 8, Assembler::AVX_128bit);
__ vpsrldq(tmp2, tmp2, 8, Assembler::AVX_128bit);
__ vpxor(tmp1, tmp1, tmp3, Assembler::AVX_128bit); // tmp1 and tmp4 hold the result
__ vpxor(tmp4, tmp4, tmp2, Assembler} // Follows the reduction technique mentioned in // Shift-XOR reduction described in Gueron-Kounavis May 2010 // First phase of reduction //
__ vpslld(xmm8, tmp1, 31, Assembler:: __ vpslld(xmm8, tmp1, 31, Assembler::AVX_128bit
INSN(sve_punpklo, 0b0; // Unpack and widen low half of predicate
__ vpslld(xmm10, tmp1, 25, Assembler::AVX_128bit);// packed right shift shifting << 25 // xor the shifted versions
__ vpxor(xmm8, xmm8, xmm9, Assembler::AVX_128bit);
__ vpxor(xmm8, xmm8, xmm10, Assembler::AVX_128bit);
__ vpslldq(xmm9, xmm8, 12, Assembler::AVX_128bit);
__ vpsrldq(xmm8, xmm8, 4, Assembler::AVX_128bit);
__ vpxor(tmp1, tmp1, xmm9, Assembler::AVX_128bit);// first phase of the reduction complete // // Second phase of the reduction //
__ vpsrld(xmm9, tmp1, 1, Assembler::AVX_128bit);// packed left shifting >> 1
_ vpsrld(xmm10,tmp1,2, Assembler::AVX_128bit;// packed left shifting >> 2
__ vpsrld(xmm11, tmp1, 7, Assembler::AVX_128bit);// packed left shifting >> 7
__ vpxor(xmm9, xmm9, xmm10, Assembler::AVX_128bit);// xor the shifted versions
__ vpxor(xmm9, xmm9, xmm11, Assembler:: void NAME(FloatRegister Zd, SIMD_RegVariant T Zn FloatRegisterZm) {\
__ vpxor(xmm9, xmm9, xmm8, Assembler::AVX_128bit);
__ vpxor(tmp1, tmp1, xmm9, Assembler::AVX_128bit);
__ vpxor(state, tmp4, tmp1, Assembler::AVX_128bit);// the result is in state
__ ret \
}
// Multiply 128 x 128 bits, using 4 pclmulqdq operations void StubGenerator::schoolbookAAD(int i, Register htbl, XMMRegister data,
XMMRegister,java.lang.StringIndexOutOfBoundsException: Range [64, 63) out of bounds for length 69
XMMRegister tmp2, XMMRegister tmp3) {
_ java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 42
__ vpclmulhqlqdq(tmp3, data, xmm15); // 0x01
__ vpxor(tmp2, tmp2, tmp3, Assembler::AVX_128bit);
__ vpclmulldq(tmp3, data, xmm15); // 0x00
_ vpxor(tmp0, tmp0, tmp3,Assembler:AVX_128bit);
__ vpclmulhdq(tmp3, data, xmm15); // 0x11
__ vpxor(tmp1, tmp1, tmp3, Assembler::AVX_128bit);
__ vpclmullqhqdq(tmp3, data, xmm15); // 0x10
__ vpxor(tmp2, tmp2, tmp3, Assembler::AVX_128bit);
}
// This method takes the subkey after expansion as input and generates 1 * 16 power of subkey H. // The power of H is used in reduction process for one block ghash void StubGenerator::generateHtbl_one_block(Register htbl, java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 const XMMRegister t = xmm13 s,00)/java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
// load the original subkey hash
__ movdqu(t, Address(htbl, 0)); // shuffle using long swap mask
__ movdqu(xmm10, ExternalAddress(ghash_long_swap_mask_addr()), rscratch);
__ vpshufb(t, t, xmm10, Assembler::AVX_128bit);
//Adding p(x)<<1 to xmm5 which holds the reduction polynomial
__ vpxor(t, t, xmm5, Assembler::AVX_128bit);
__ movdqu(Address(htbl, 1 * 16), t); // H * 2
_ ()java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
}
// This method takes the subkey after expansion as input and generates the remaining powers of subkey H. // The power of H is used in reduction process for eight block ghash void StubGenerator::generateHtbl_eight_blocks(Register htbl) { const XMMRegister t = xmm13; const assert(T != Q, );
Label GFMUL;
__ movdqu(t, Address(htbl, 1 * 16));
__ movdqu(tmp0, 31 ) fT23 ) 0,2120,prfP,16); java.lang.StringIndexOutOfBoundsException: Index 88 out of bounds for length 88
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