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src/cpu/x86/vm/stubGenerator_x86_64.cpp
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@@ -2972,23 +2972,10 @@
StubRoutines::_arrayof_oop_arraycopy_uninit = StubRoutines::_oop_arraycopy_uninit;
}
void generate_math_stubs() {
{
- StubCodeMark mark(this, "StubRoutines", "log");
- StubRoutines::_intrinsic_log = (double (*)(double)) __ pc();
-
- __ subq(rsp, 8);
- __ movdbl(Address(rsp, 0), xmm0);
- __ fld_d(Address(rsp, 0));
- __ flog();
- __ fstp_d(Address(rsp, 0));
- __ movdbl(xmm0, Address(rsp, 0));
- __ addq(rsp, 8);
- __ ret(0);
- }
- {
StubCodeMark mark(this, "StubRoutines", "log10");
StubRoutines::_intrinsic_log10 = (double (*)(double)) __ pc();
__ subq(rsp, 8);
__ movdbl(Address(rsp, 0), xmm0);
@@ -4185,19 +4172,62 @@
BLOCK_COMMENT("Entry:");
__ enter(); // required for proper stackwalking of RuntimeStub frame
#ifdef _WIN64
// save the xmm registers which must be preserved 6-7
- __ movdqu(xmm_save(6), as_XMMRegister(6));
- __ movdqu(xmm_save(7), as_XMMRegister(7));
+ __ subptr(rsp, 4 * wordSize);
+ __ movdqu(Address(rsp, 0), xmm6);
+ __ movdqu(Address(rsp, 2 * wordSize), xmm7);
#endif
__ fast_exp(x0, x1, x2, x3, x4, x5, x6, x7, rax, rcx, rdx, tmp);
#ifdef _WIN64
// restore xmm regs belonging to calling function
- __ movdqu(as_XMMRegister(6), xmm_save(6));
- __ movdqu(as_XMMRegister(7), xmm_save(7));
+ __ movdqu(xmm6, Address(rsp, 0));
+ __ movdqu(xmm7, Address(rsp, 2 * wordSize));
+ __ addptr(rsp, 4 * wordSize);
+#endif
+
+ __ leave(); // required for proper stackwalking of RuntimeStub frame
+ __ ret(0);
+
+ return start;
+
+ }
+
+ address generate_libmLog() {
+ address start = __ pc();
+
+ const XMMRegister x0 = xmm0;
+ const XMMRegister x1 = xmm1;
+ const XMMRegister x2 = xmm2;
+ const XMMRegister x3 = xmm3;
+
+ const XMMRegister x4 = xmm4;
+ const XMMRegister x5 = xmm5;
+ const XMMRegister x6 = xmm6;
+ const XMMRegister x7 = xmm7;
+
+ const Register tmp1 = r11;
+ const Register tmp2 = r8;
+
+ BLOCK_COMMENT("Entry:");
+ __ enter(); // required for proper stackwalking of RuntimeStub frame
+
+#ifdef _WIN64
+ // save the xmm registers which must be preserved 6-7
+ __ subptr(rsp, 4 * wordSize);
+ __ movdqu(Address(rsp, 0), xmm6);
+ __ movdqu(Address(rsp, 2 * wordSize), xmm7);
+#endif
+ __ fast_log(x0, x1, x2, x3, x4, x5, x6, x7, rax, rcx, rdx, tmp1, tmp2);
+
+#ifdef _WIN64
+ // restore xmm regs belonging to calling function
+ __ movdqu(xmm6, Address(rsp, 0));
+ __ movdqu(xmm7, Address(rsp, 2 * wordSize));
+ __ addptr(rsp, 4 * wordSize);
#endif
__ leave(); // required for proper stackwalking of RuntimeStub frame
__ ret(0);
@@ -4390,11 +4420,14 @@
bool supports_clmul = VM_Version::supports_clmul();
StubRoutines::x86::generate_CRC32C_table(supports_clmul);
StubRoutines::_crc32c_table_addr = (address)StubRoutines::x86::_crc32c_table;
StubRoutines::_updateBytesCRC32C = generate_updateBytesCRC32C(supports_clmul);
}
+ if (VM_Version::supports_sse2()) {
StubRoutines::_dexp = generate_libmExp();
+ StubRoutines::_dlog = generate_libmLog();
+ }
}
void generate_all() {
// Generates all stubs and initializes the entry points
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