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comparison src/gpu/hsail/vm/gpu_hsail_Frame.hpp @ 15482:a250a512434d

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HSAIL: support for object values in stack slots at deoptimization points Contributed-by: Tom Deneau <tom.deneau@amd.com>
author Doug Simon <doug.simon@oracle.com>
date Fri, 02 May 2014 21:58:28 +0200
parents 3e9a960f0da1
children 217c721b1ee1
comparison
equal deleted inserted replaced
15481:09d721bcffe2 15482:a250a512434d
3 3
4 #include "graal/graalEnv.hpp" 4 #include "graal/graalEnv.hpp"
5 #include "code/debugInfo.hpp" 5 #include "code/debugInfo.hpp"
6 #include "code/location.hpp" 6 #include "code/location.hpp"
7 7
8 // maximum registers that could be saved for now
9 #define MAX_SREGS 32
10 #define MAX_DREGS 16
11
12 class HSAILFrame { 8 class HSAILFrame {
13 friend class VMStructs; 9 friend class VMStructs;
14 private: 10 private:
15 jint _pc_offset; // The HSAIL "pc_offset" where the exception happens 11 jint _pc_offset; // The HSAIL "pc_offset" where the exception happens
16 jbyte _num_s_regs; 12 jbyte _num_s_regs;
17 jbyte _num_d_regs; 13 jbyte _num_d_regs;
18 jshort _dreg_oops_map; // bits = 1 if that dreg is an oop 14 jshort _num_stack_slots;
19 jlong _save_area[MAX_SREGS/2 + MAX_DREGS]; 15 jbyte _save_area[0]; // save area size can vary per kernel compilation
20 16
21 public: 17 public:
22 // Accessors 18 // Accessors
23 jint pc_offset() { return _pc_offset; } 19 jint pc_offset() { return _pc_offset; }
24 jint num_s_regs() {return _num_s_regs; } 20 jint num_s_regs() {return _num_s_regs; }
25 jint num_d_regs() {return _num_d_regs; } 21 jint num_d_regs() {return _num_d_regs; }
26 jint dreg_oops_map() {return _dreg_oops_map; } 22 jint num_stack_slots() {return _num_stack_slots; }
27 jlong get_d_reg(int idx) { 23 jlong get_d_reg(int idx) {
28 char *p = (char *) _save_area;
29 int ofst = num_s_regs() * 4 + idx * 8; 24 int ofst = num_s_regs() * 4 + idx * 8;
30 return(*(jlong *) (p + ofst)); 25 return(*(jlong *) (_save_area + ofst));
31 } 26 }
32 jint get_s_reg(int idx) { 27 jint get_s_reg(int idx) {
33 char *p = (char *) _save_area;
34 int ofst = idx * 4; 28 int ofst = idx * 4;
35 return(*(jint *) (p + ofst)); 29 return(*(jint *) (_save_area + ofst));
36 } 30 }
37 void put_d_reg(int idx, jlong val) { 31 void put_d_reg(int idx, jlong val) {
38 char *p = (char *) _save_area;
39 int ofst = num_s_regs() * 4 + idx * 8; 32 int ofst = num_s_regs() * 4 + idx * 8;
40 (*(jlong *) (p + ofst)) = val; 33 (*(jlong *) (_save_area + ofst)) = val;
34 }
35 jint get_stackslot32(int stackOffset) {
36 int ofst = num_s_regs() * 4 + num_d_regs() * 8 + stackOffset;
37 return(*(jint *) (_save_area + ofst));
38 }
39 jlong get_stackslot64(int stackOffset) {
40 int ofst = num_s_regs() * 4 + num_d_regs() * 8 + stackOffset;
41 return(*(jlong *) (_save_area + ofst));
42 }
43 void put_stackslot64(int stackOffset, jlong val) {
44 int ofst = num_s_regs() * 4 + num_d_regs() * 8 + stackOffset;
45 (*(jlong *) (_save_area + ofst)) = val;
41 } 46 }
42 }; 47 };
43 48
44 #endif // GPU_HSAIL_FRAME_HPP 49 #endif // GPU_HSAIL_FRAME_HPP