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8238681: Make -XX:UseSSE flag x86-specific

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Reviewed-by: dholmes, kvn
This commit is contained in:
Vladimir Ivanov 2020-03-10 20:51:07 +03:00
parent 8208b9ce32
commit 072cfd2e48
14 changed files with 108 additions and 76 deletions
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49
src/hotspot/cpu/x86/macroAssembler_x86.cpp
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@ -2724,17 +2724,6 @@ void MacroAssembler::divss(XMMRegister dst, AddressLiteral src) {
}
}
#ifndef _LP64
void MacroAssembler::empty_FPU_stack() {
if (VM_Version::supports_mmx()) {
emms();
} else {
for (int i = 8; i-- > 0; ) ffree(i);
}
}
#endif // !LP64
void MacroAssembler::enter() {
push(rbp);
mov(rbp, rsp);
@ -2753,7 +2742,7 @@ void MacroAssembler::fat_nop() {
}
}
#if !defined(_LP64)
#ifndef _LP64
void MacroAssembler::fcmp(Register tmp) {
fcmp(tmp, 1, true, true);
}
@ -2856,6 +2845,14 @@ void MacroAssembler::fremr(Register tmp) {
fxch(1);
fpop();
}
void MacroAssembler::empty_FPU_stack() {
if (VM_Version::supports_mmx()) {
emms();
} else {
for (int i = 8; i-- > 0; ) ffree(i);
}
}
#endif // !LP64
void MacroAssembler::mulpd(XMMRegister dst, AddressLiteral src) {
@ -2868,39 +2865,51 @@ void MacroAssembler::mulpd(XMMRegister dst, AddressLiteral src) {
}
void MacroAssembler::load_float(Address src) {
#ifdef _LP64
movflt(xmm0, src);
#else
if (UseSSE >= 1) {
movflt(xmm0, src);
} else {
LP64_ONLY(ShouldNotReachHere());
NOT_LP64(fld_s(src));
fld_s(src);
}
#endif // LP64
}
void MacroAssembler::store_float(Address dst) {
#ifdef _LP64
movflt(dst, xmm0);
#else
if (UseSSE >= 1) {
movflt(dst, xmm0);
} else {
LP64_ONLY(ShouldNotReachHere());
NOT_LP64(fstp_s(dst));
fstp_s(dst);
}
#endif // LP64
}
void MacroAssembler::load_double(Address src) {
#ifdef _LP64
movdbl(xmm0, src);
#else
if (UseSSE >= 2) {
movdbl(xmm0, src);
} else {
LP64_ONLY(ShouldNotReachHere());
NOT_LP64(fld_d(src));
fld_d(src);
}
#endif // LP64
}
void MacroAssembler::store_double(Address dst) {
#ifdef _LP64
movdbl(dst, xmm0);
#else
if (UseSSE >= 2) {
movdbl(dst, xmm0);
} else {
LP64_ONLY(ShouldNotReachHere());
NOT_LP64(fstp_d(dst));
fstp_d(dst);
}
#endif // LP64
}
// dst = c = a * b + c