archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-18 10:04:42 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8292153: x86: Represent Registers as values

Browse source 
Reviewed-by: kvn, aph
This commit is contained in:
Vladimir Ivanov 2022-08-11 21:16:02 +00:00
parent dedc05cb40
commit 755ecf6b73
28 changed files with 482 additions and 433 deletions
Download patch file Download diff file Expand all files Collapse all files

88
src/hotspot/cpu/x86/assembler_x86.hpp
View file

@ -63,33 +63,33 @@ class Argument {
#ifdef _WIN64
REGISTER_DECLARATION(Register, c_rarg0, rcx);
REGISTER_DECLARATION(Register, c_rarg1, rdx);
REGISTER_DECLARATION(Register, c_rarg2, r8);
REGISTER_DECLARATION(Register, c_rarg3, r9);
constexpr Register c_rarg0 = rcx;
constexpr Register c_rarg1 = rdx;
constexpr Register c_rarg2 = r8;
constexpr Register c_rarg3 = r9;
REGISTER_DECLARATION(XMMRegister, c_farg0, xmm0);
REGISTER_DECLARATION(XMMRegister, c_farg1, xmm1);
REGISTER_DECLARATION(XMMRegister, c_farg2, xmm2);
REGISTER_DECLARATION(XMMRegister, c_farg3, xmm3);
constexpr XMMRegister c_farg0 = xmm0;
constexpr XMMRegister c_farg1 = xmm1;
constexpr XMMRegister c_farg2 = xmm2;
constexpr XMMRegister c_farg3 = xmm3;
#else
REGISTER_DECLARATION(Register, c_rarg0, rdi);
REGISTER_DECLARATION(Register, c_rarg1, rsi);
REGISTER_DECLARATION(Register, c_rarg2, rdx);
REGISTER_DECLARATION(Register, c_rarg3, rcx);
REGISTER_DECLARATION(Register, c_rarg4, r8);
REGISTER_DECLARATION(Register, c_rarg5, r9);
constexpr Register c_rarg0 = rdi;
constexpr Register c_rarg1 = rsi;
constexpr Register c_rarg2 = rdx;
constexpr Register c_rarg3 = rcx;
constexpr Register c_rarg4 = r8;
constexpr Register c_rarg5 = r9;
REGISTER_DECLARATION(XMMRegister, c_farg0, xmm0);
REGISTER_DECLARATION(XMMRegister, c_farg1, xmm1);
REGISTER_DECLARATION(XMMRegister, c_farg2, xmm2);
REGISTER_DECLARATION(XMMRegister, c_farg3, xmm3);
REGISTER_DECLARATION(XMMRegister, c_farg4, xmm4);
REGISTER_DECLARATION(XMMRegister, c_farg5, xmm5);
REGISTER_DECLARATION(XMMRegister, c_farg6, xmm6);
REGISTER_DECLARATION(XMMRegister, c_farg7, xmm7);
constexpr XMMRegister c_farg0 = xmm0;
constexpr XMMRegister c_farg1 = xmm1;
constexpr XMMRegister c_farg2 = xmm2;
constexpr XMMRegister c_farg3 = xmm3;
constexpr XMMRegister c_farg4 = xmm4;
constexpr XMMRegister c_farg5 = xmm5;
constexpr XMMRegister c_farg6 = xmm6;
constexpr XMMRegister c_farg7 = xmm7;
#endif // _WIN64
@ -109,33 +109,33 @@ REGISTER_DECLARATION(XMMRegister, c_farg7, xmm7);
// | j_rarg5 j_rarg0 j_rarg1 j_rarg2 j_rarg3 j_rarg4 |
// |-------------------------------------------------------|
REGISTER_DECLARATION(Register, j_rarg0, c_rarg1);
REGISTER_DECLARATION(Register, j_rarg1, c_rarg2);
REGISTER_DECLARATION(Register, j_rarg2, c_rarg3);
constexpr Register j_rarg0 = c_rarg1;
constexpr Register j_rarg1 = c_rarg2;
constexpr Register j_rarg2 = c_rarg3;
// Windows runs out of register args here
#ifdef _WIN64
REGISTER_DECLARATION(Register, j_rarg3, rdi);
REGISTER_DECLARATION(Register, j_rarg4, rsi);
constexpr Register j_rarg3 = rdi;
constexpr Register j_rarg4 = rsi;
#else
REGISTER_DECLARATION(Register, j_rarg3, c_rarg4);
REGISTER_DECLARATION(Register, j_rarg4, c_rarg5);
constexpr Register j_rarg3 = c_rarg4;
constexpr Register j_rarg4 = c_rarg5;
#endif /* _WIN64 */
REGISTER_DECLARATION(Register, j_rarg5, c_rarg0);
constexpr Register j_rarg5 = c_rarg0;
REGISTER_DECLARATION(XMMRegister, j_farg0, xmm0);
REGISTER_DECLARATION(XMMRegister, j_farg1, xmm1);
REGISTER_DECLARATION(XMMRegister, j_farg2, xmm2);
REGISTER_DECLARATION(XMMRegister, j_farg3, xmm3);
REGISTER_DECLARATION(XMMRegister, j_farg4, xmm4);
REGISTER_DECLARATION(XMMRegister, j_farg5, xmm5);
REGISTER_DECLARATION(XMMRegister, j_farg6, xmm6);
REGISTER_DECLARATION(XMMRegister, j_farg7, xmm7);
constexpr XMMRegister j_farg0 = xmm0;
constexpr XMMRegister j_farg1 = xmm1;
constexpr XMMRegister j_farg2 = xmm2;
constexpr XMMRegister j_farg3 = xmm3;
constexpr XMMRegister j_farg4 = xmm4;
constexpr XMMRegister j_farg5 = xmm5;
constexpr XMMRegister j_farg6 = xmm6;
constexpr XMMRegister j_farg7 = xmm7;
REGISTER_DECLARATION(Register, rscratch1, r10); // volatile
REGISTER_DECLARATION(Register, rscratch2, r11); // volatile
constexpr Register rscratch1 = r10; // volatile
constexpr Register rscratch2 = r11; // volatile
REGISTER_DECLARATION(Register, r12_heapbase, r12); // callee-saved
REGISTER_DECLARATION(Register, r15_thread, r15); // callee-saved
constexpr Register r12_heapbase = r12; // callee-saved
constexpr Register r15_thread = r15; // callee-saved
#else
// rscratch1 will appear in 32bit code that is dead but of course must compile
@ -149,7 +149,7 @@ REGISTER_DECLARATION(Register, r15_thread, r15); // callee-saved
// JSR 292
// On x86, the SP does not have to be saved when invoking method handle intrinsics
// or compiled lambda forms. We indicate that by setting rbp_mh_SP_save to noreg.
REGISTER_DECLARATION(Register, rbp_mh_SP_save, noreg);
constexpr Register rbp_mh_SP_save = noreg;
// Address is an abstraction used to represent a memory location
// using any of the amd64 addressing modes with one object.
@ -2932,7 +2932,7 @@ public:
// Set embedded opmask register specifier.
void set_embedded_opmask_register_specifier(KRegister mask) {
_embedded_opmask_register_specifier = (*mask).encoding() & 0x7;
_embedded_opmask_register_specifier = mask->encoding() & 0x7;
}
};