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src/cpu/x86/vm/stubGenerator_x86_64.cpp

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rev 10837 : SHA256-AVX2

*** 3770,3785 **** --- 3770,3802 ---- __ align(64); StubCodeMark mark(this, "StubRoutines", "pshuffle_byte_flip_mask"); address start = __ pc(); __ emit_data64(0x0405060700010203, relocInfo::none); __ emit_data64(0x0c0d0e0f08090a0b, relocInfo::none); + + if (VM_Version::supports_avx2()) { + __ emit_data64(0x0405060700010203, relocInfo::none); // second copy + __ emit_data64(0x0c0d0e0f08090a0b, relocInfo::none); + // _SHUF_00BA + __ emit_data64(0x0b0a090803020100, relocInfo::none); + __ emit_data64(0xFFFFFFFFFFFFFFFF, relocInfo::none); + __ emit_data64(0x0b0a090803020100, relocInfo::none); + __ emit_data64(0xFFFFFFFFFFFFFFFF, relocInfo::none); + // _SHUF_DC00 + __ emit_data64(0xFFFFFFFFFFFFFFFF, relocInfo::none); + __ emit_data64(0x0b0a090803020100, relocInfo::none); + __ emit_data64(0xFFFFFFFFFFFFFFFF, relocInfo::none); + __ emit_data64(0x0b0a090803020100, relocInfo::none); + } + return start; } // ofs and limit are use for multi-block byte array. // int com.sun.security.provider.DigestBase.implCompressMultiBlock(byte[] b, int ofs, int limit) address generate_sha256_implCompress(bool multi_block, const char *name) { + assert(VM_Version::supports_sha() || VM_Version::supports_avx2(), ""); __ align(CodeEntryAlignment); StubCodeMark mark(this, "StubRoutines", name); address start = __ pc(); Register buf = c_rarg0;
*** 3804,3823 **** // save the xmm registers which must be preserved 6-7 __ subptr(rsp, 6 * wordSize); __ movdqu(Address(rsp, 0), xmm6); __ movdqu(Address(rsp, 2 * wordSize), xmm7); __ movdqu(Address(rsp, 4 * wordSize), xmm8); #endif __ subptr(rsp, 4 * wordSize); __ fast_sha256(msg, state0, state1, msgtmp0, msgtmp1, msgtmp2, msgtmp3, msgtmp4, buf, state, ofs, limit, rsp, multi_block, shuf_mask); ! __ addptr(rsp, 4 * wordSize); #ifdef _WIN64 // restore xmm regs belonging to calling function __ movdqu(xmm6, Address(rsp, 0)); __ movdqu(xmm7, Address(rsp, 2 * wordSize)); __ movdqu(xmm8, Address(rsp, 4 * wordSize)); __ addptr(rsp, 6 * wordSize); #endif --- 3821,3861 ---- // save the xmm registers which must be preserved 6-7 __ subptr(rsp, 6 * wordSize); __ movdqu(Address(rsp, 0), xmm6); __ movdqu(Address(rsp, 2 * wordSize), xmm7); __ movdqu(Address(rsp, 4 * wordSize), xmm8); + + if (!VM_Version::supports_sha() && VM_Version::supports_avx2()) { + __ subptr(rsp, 10 * wordSize); + __ movdqu(Address(rsp, 0), xmm9); + __ movdqu(Address(rsp, 2 * wordSize), xmm10); + __ movdqu(Address(rsp, 4 * wordSize), xmm11); + __ movdqu(Address(rsp, 6 * wordSize), xmm12); + __ movdqu(Address(rsp, 8 * wordSize), xmm13); + } #endif __ subptr(rsp, 4 * wordSize); + if (VM_Version::supports_sha()) { __ fast_sha256(msg, state0, state1, msgtmp0, msgtmp1, msgtmp2, msgtmp3, msgtmp4, buf, state, ofs, limit, rsp, multi_block, shuf_mask); ! } else if (VM_Version::supports_avx2()) { ! __ sha256_AVX2(msg, state0, state1, msgtmp0, msgtmp1, msgtmp2, msgtmp3, msgtmp4, ! buf, state, ofs, limit, rsp, multi_block, shuf_mask); ! } __ addptr(rsp, 4 * wordSize); #ifdef _WIN64 // restore xmm regs belonging to calling function + if (!VM_Version::supports_sha() && VM_Version::supports_avx2()) { + __ movdqu(xmm9, Address(rsp, 0)); + __ movdqu(xmm10, Address(rsp, 2 * wordSize)); + __ movdqu(xmm11, Address(rsp, 4 * wordSize)); + __ movdqu(xmm12, Address(rsp, 6 * wordSize)); + __ movdqu(xmm13, Address(rsp, 8 * wordSize)); + __ addptr(rsp, 10 * wordSize); + } __ movdqu(xmm6, Address(rsp, 0)); __ movdqu(xmm7, Address(rsp, 2 * wordSize)); __ movdqu(xmm8, Address(rsp, 4 * wordSize)); __ addptr(rsp, 6 * wordSize); #endif
*** 5216,5225 **** --- 5254,5264 ---- StubRoutines::_sha1_implCompress = generate_sha1_implCompress(false, "sha1_implCompress"); StubRoutines::_sha1_implCompressMB = generate_sha1_implCompress(true, "sha1_implCompressMB"); } if (UseSHA256Intrinsics) { StubRoutines::x86::_k256_adr = (address)StubRoutines::x86::_k256; + StubRoutines::x86::_k256_W_adr = (address)StubRoutines::x86::_k256_W; StubRoutines::x86::_pshuffle_byte_flip_mask_addr = generate_pshuffle_byte_flip_mask(); StubRoutines::_sha256_implCompress = generate_sha256_implCompress(false, "sha256_implCompress"); StubRoutines::_sha256_implCompressMB = generate_sha256_implCompress(true, "sha256_implCompressMB"); }
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