--- a/hotspot/src/cpu/x86/vm/stubGenerator_x86_64.cpp Wed Sep 21 08:14:46 2016 +0200
+++ b/hotspot/src/cpu/x86/vm/stubGenerator_x86_64.cpp Wed Sep 21 13:47:56 2016 -0700
@@ -3236,11 +3236,6 @@
#ifdef _WIN64
// on win64, fill len_reg from stack position
__ movl(len_reg, len_mem);
- // save the xmm registers which must be preserved 6-15
- __ subptr(rsp, -rsp_after_call_off * wordSize);
- for (int i = 6; i <= XMM_REG_NUM_KEY_LAST; i++) {
- __ movdqu(xmm_save(i), as_XMMRegister(i));
- }
#else
__ push(len_reg); // Save
#endif
@@ -3281,10 +3276,6 @@
__ movdqu(Address(rvec, 0), xmm_result); // final value of r stored in rvec of CipherBlockChaining object
#ifdef _WIN64
- // restore xmm regs belonging to calling function
- for (int i = 6; i <= XMM_REG_NUM_KEY_LAST; i++) {
- __ movdqu(as_XMMRegister(i), xmm_save(i));
- }
__ movl(rax, len_mem);
#else
__ pop(rax); // return length
@@ -3446,11 +3437,6 @@
#ifdef _WIN64
// on win64, fill len_reg from stack position
__ movl(len_reg, len_mem);
- // save the xmm registers which must be preserved 6-15
- __ subptr(rsp, -rsp_after_call_off * wordSize);
- for (int i = 6; i <= XMM_REG_NUM_KEY_LAST; i++) {
- __ movdqu(xmm_save(i), as_XMMRegister(i));
- }
#else
__ push(len_reg); // Save
#endif
@@ -3644,10 +3630,6 @@
__ movdqu(Address(rvec, 0), xmm_prev_block_cipher); // final value of r stored in rvec of CipherBlockChaining object
__ pop(rbx);
#ifdef _WIN64
- // restore regs belonging to calling function
- for (int i = 6; i <= XMM_REG_NUM_KEY_LAST; i++) {
- __ movdqu(as_XMMRegister(i), xmm_save(i));
- }
__ movl(rax, len_mem);
#else
__ pop(rax); // return length
@@ -3699,25 +3681,12 @@
__ enter();
-#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
-
__ subptr(rsp, 4 * wordSize);
__ fast_sha1(abcd, e0, e1, msg0, msg1, msg2, msg3, shuf_mask,
buf, state, ofs, limit, rsp, multi_block);
__ addptr(rsp, 4 * wordSize);
-#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();
__ ret(0);
@@ -3775,22 +3744,6 @@
const XMMRegister shuf_mask = xmm8;
__ enter();
-#ifdef _WIN64
- // 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);
@@ -3802,21 +3755,7 @@
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
+
__ leave();
__ ret(0);
return start;
@@ -3917,18 +3856,14 @@
}
#ifdef _WIN64
- // save the xmm registers which must be preserved 6-14
- const int XMM_REG_NUM_KEY_LAST = 14;
- __ subptr(rsp, -rsp_after_call_off * wordSize);
- for (int i = 6; i <= XMM_REG_NUM_KEY_LAST; i++) {
- __ movdqu(xmm_save(i), as_XMMRegister(i));
- }
-
- const Address r13_save(rbp, rdi_off * wordSize);
- const Address r14_save(rbp, rsi_off * wordSize);
-
- __ movptr(r13_save, r13);
- __ movptr(r14_save, r14);
+ // allocate spill slots for r13, r14
+ enum {
+ saved_r13_offset,
+ saved_r14_offset
+ };
+ __ subptr(rsp, 2 * wordSize);
+ __ movptr(Address(rsp, saved_r13_offset * wordSize), r13);
+ __ movptr(Address(rsp, saved_r14_offset * wordSize), r14);
// on win64, fill len_reg from stack position
__ movl(len_reg, len_mem);
@@ -4130,13 +4065,10 @@
__ movdqu(Address(counter, 0), xmm_curr_counter); //save counter back
__ pop(rbx); // pop the saved RBX.
#ifdef _WIN64
- // restore regs belonging to calling function
- for (int i = 6; i <= XMM_REG_NUM_KEY_LAST; i++) {
- __ movdqu(as_XMMRegister(i), xmm_save(i));
- }
__ movl(rax, len_mem);
- __ movptr(r13, r13_save);
- __ movptr(r14, r14_save);
+ __ movptr(r13, Address(rsp, saved_r13_offset * wordSize));
+ __ movptr(r14, Address(rsp, saved_r14_offset * wordSize));
+ __ addptr(rsp, 2 * wordSize);
#else
__ pop(rax); // return 'len'
#endif
@@ -4177,10 +4109,6 @@
const Register data = c_rarg2;
const Register blocks = c_rarg3;
-#ifdef _WIN64
- const int XMM_REG_LAST = 10;
-#endif
-
const XMMRegister xmm_temp0 = xmm0;
const XMMRegister xmm_temp1 = xmm1;
const XMMRegister xmm_temp2 = xmm2;
@@ -4203,14 +4131,6 @@
__ kmovql(k1, rax);
}
-#ifdef _WIN64
- // save the xmm registers which must be preserved 6-10
- __ subptr(rsp, -rsp_after_call_off * wordSize);
- for (int i = 6; i <= XMM_REG_LAST; i++) {
- __ movdqu(xmm_save(i), as_XMMRegister(i));
- }
-#endif
-
__ movdqu(xmm_temp10, ExternalAddress(StubRoutines::x86::ghash_long_swap_mask_addr()));
__ movdqu(xmm_temp0, Address(state, 0));
@@ -4310,12 +4230,6 @@
__ pshufb(xmm_temp6, xmm_temp10); // Byte swap 16-byte result
__ movdqu(Address(state, 0), xmm_temp6); // store the result
-#ifdef _WIN64
- // restore xmm regs belonging to calling function
- for (int i = 6; i <= XMM_REG_LAST; i++) {
- __ movdqu(as_XMMRegister(i), xmm_save(i));
- }
-#endif
__ leave();
__ ret(0);
return start;
@@ -4652,21 +4566,8 @@
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_exp(x0, x1, x2, x3, x4, x5, x6, x7, rax, rcx, rdx, tmp);
-#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);
@@ -4693,21 +4594,8 @@
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);
@@ -4733,21 +4621,8 @@
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_log10(x0, x1, x2, x3, x4, x5, x6, x7, rax, rcx, rdx, tmp);
-#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);
@@ -4776,21 +4651,8 @@
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_pow(x0, x1, x2, x3, x4, x5, x6, x7, rax, rcx, rdx, tmp1, tmp2, tmp3, tmp4);
-#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);
@@ -4822,18 +4684,10 @@
#ifdef _WIN64
__ push(rsi);
__ push(rdi);
- // 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_sin(x0, x1, x2, x3, x4, x5, x6, x7, rax, rbx, rcx, rdx, tmp1, tmp2, tmp3, tmp4);
#ifdef _WIN64
- // restore xmm regs belonging to calling function
- __ movdqu(xmm6, Address(rsp, 0));
- __ movdqu(xmm7, Address(rsp, 2 * wordSize));
- __ addptr(rsp, 4 * wordSize);
__ pop(rdi);
__ pop(rsi);
#endif
@@ -4869,18 +4723,10 @@
#ifdef _WIN64
__ push(rsi);
__ push(rdi);
- // 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_cos(x0, x1, x2, x3, x4, x5, x6, x7, rax, rcx, rdx, tmp1, tmp2, tmp3, tmp4);
#ifdef _WIN64
- // restore xmm regs belonging to calling function
- __ movdqu(xmm6, Address(rsp, 0));
- __ movdqu(xmm7, Address(rsp, 2 * wordSize));
- __ addptr(rsp, 4 * wordSize);
__ pop(rdi);
__ pop(rsi);
#endif
@@ -4916,18 +4762,10 @@
#ifdef _WIN64
__ push(rsi);
__ push(rdi);
- // 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_tan(x0, x1, x2, x3, x4, x5, x6, x7, rax, rcx, rdx, tmp1, tmp2, tmp3, tmp4);
#ifdef _WIN64
- // restore xmm regs belonging to calling function
- __ movdqu(xmm6, Address(rsp, 0));
- __ movdqu(xmm7, Address(rsp, 2 * wordSize));
- __ addptr(rsp, 4 * wordSize);
__ pop(rdi);
__ pop(rsi);
#endif