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8132160: support for AVX 512 call frames and stack management

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Simplify save/restore frame on x86 systems which support EVEX.

Reviewed-by: kvn, iveresov
This commit is contained in:
Michael Berg 2015-09-11 17:02:44 -07:00
parent 9f9739c156
commit d67924dc8e
17 changed files with 1578 additions and 1257 deletions
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56
hotspot/src/cpu/x86/vm/assembler_x86.hpp
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@ -438,7 +438,9 @@ class ArrayAddress VALUE_OBJ_CLASS_SPEC {
};
const int FPUStateSizeInWords = NOT_LP64(27) LP64_ONLY( 512*2 / wordSize);
// 64-bit refect the fxsave size which is 512 bytes and the new xsave area on EVEX which is another 2176 bytes
// See fxsave and xsave(EVEX enabled) documentation for layout
const int FPUStateSizeInWords = NOT_LP64(27) LP64_ONLY(2688 / wordSize);
// The Intel x86/Amd64 Assembler: Pure assembler doing NO optimizations on the instruction
// level (e.g. mov rax, 0 is not translated into xor rax, rax!); i.e., what you write
@ -594,11 +596,16 @@ class Assembler : public AbstractAssembler {
private:
int evex_encoding;
int input_size_in_bits;
int avx_vector_len;
int tuple_type;
bool is_evex_instruction;
int _evex_encoding;
int _input_size_in_bits;
int _avx_vector_len;
int _tuple_type;
bool _is_evex_instruction;
bool _legacy_mode_bw;
bool _legacy_mode_dq;
bool _legacy_mode_vl;
bool _legacy_mode_vlbw;
bool _instruction_uses_vl;
// 64bit prefixes
int prefix_and_encode(int reg_enc, bool byteinst = false);
@ -972,11 +979,16 @@ private:
// belong in macro assembler but there is no need for both varieties to exist
void init_attributes(void) {
evex_encoding = 0;
input_size_in_bits = 0;
avx_vector_len = AVX_NoVec;
tuple_type = EVEX_ETUP;
is_evex_instruction = false;
_evex_encoding = 0;
_input_size_in_bits = 0;
_avx_vector_len = AVX_NoVec;
_tuple_type = EVEX_ETUP;
_is_evex_instruction = false;
_legacy_mode_bw = (VM_Version::supports_avx512bw() == false);
_legacy_mode_dq = (VM_Version::supports_avx512dq() == false);
_legacy_mode_vl = (VM_Version::supports_avx512vl() == false);
_legacy_mode_vlbw = (VM_Version::supports_avx512vlbw() == false);
_instruction_uses_vl = false;
}
void lea(Register dst, Address src);
@ -1344,8 +1356,10 @@ private:
void fxch(int i = 1);
void fxrstor(Address src);
void xrstor(Address src);
void fxsave(Address dst);
void xsave(Address dst);
void fyl2x();
void frndint();
@ -1479,11 +1493,12 @@ private:
void movb(Address dst, int imm8);
void movb(Register dst, Address src);
void kmovq(KRegister dst, KRegister src);
void kmovql(KRegister dst, KRegister src);
void kmovql(KRegister dst, Register src);
void kmovdl(KRegister dst, Register src);
void kmovq(Address dst, KRegister src);
void kmovq(KRegister dst, Address src);
void kmovwl(KRegister dst, Register src);
void kmovql(Address dst, KRegister src);
void kmovql(KRegister dst, Address src);
void movdl(XMMRegister dst, Register src);
void movdl(Register dst, XMMRegister src);
@ -1509,9 +1524,12 @@ private:
void vmovdqu(XMMRegister dst, XMMRegister src);
// Move Unaligned 512bit Vector
void evmovdqu(Address dst, XMMRegister src, int vector_len);
void evmovdqu(XMMRegister dst, Address src, int vector_len);
void evmovdqu(XMMRegister dst, XMMRegister src, int vector_len);
void evmovdqul(Address dst, XMMRegister src, int vector_len);
void evmovdqul(XMMRegister dst, Address src, int vector_len);
void evmovdqul(XMMRegister dst, XMMRegister src, int vector_len);
void evmovdquq(Address dst, XMMRegister src, int vector_len);
void evmovdquq(XMMRegister dst, Address src, int vector_len);
void evmovdquq(XMMRegister dst, XMMRegister src, int vector_len);
// Move lower 64bit to high 64bit in 128bit register
void movlhps(XMMRegister dst, XMMRegister src);
@ -1643,6 +1661,7 @@ private:
// Pemutation of 64bit words
void vpermq(XMMRegister dst, XMMRegister src, int imm8, int vector_len);
void vpermq(XMMRegister dst, XMMRegister src, int imm8);
void pause();
@ -2061,6 +2080,9 @@ private:
void vextracti64x2h(XMMRegister dst, XMMRegister src, int value);
void vextractf64x2h(XMMRegister dst, XMMRegister src, int value);
void vextractf32x4h(XMMRegister dst, XMMRegister src, int value);
void vextractf32x4h(Address dst, XMMRegister src, int value);
void vinsertf32x4h(XMMRegister dst, XMMRegister nds, XMMRegister src, int value);
void vinsertf32x4h(XMMRegister dst, Address src, int value);
// duplicate 4-bytes integer data from src into 8 locations in dest
void vpbroadcastd(XMMRegister dst, XMMRegister src);