Alter register address decoding using a lookup table instead of single function with multiple switch blocks. Reduced scheduler sleep time during tool dispatch setting.

arr committed 10 years ago

Commit 824a71a1 parent fcc75fd7 files · +500 −86Browse files

Showing the changes to src/exec/main.cpp (1 of 7 files). Show all

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@@ -107,6 +107,7 @@ namespace · 106 unmodified lines
107	107	{ vm_exec_op_t
108	108	{
109	109	opcode_t::load,
	110	+ assembly::construct_address_code(address_mode_t::offset_indirect_mp, address_mode_middle_t::small_immediate, address_mode_t::offset_indirect_fp),
110	111	{ address_mode_t::offset_indirect_mp, 0, 0 }, // command module path
111	112	{ address_mode_middle_t::small_immediate, 0 }, // import table index
112	113	{ address_mode_t::offset_indirect_fp, 20, 0 } // module reference
@@ -115,6 +116,7 @@ namespace · 2 unmodified lines
115	116	{ vm_exec_op_t
116	117	{
117	118	opcode_t::mframe,
	119	+ assembly::construct_address_code(address_mode_t::offset_indirect_fp, address_mode_middle_t::small_immediate, address_mode_t::offset_indirect_fp),
118	120	{ address_mode_t::offset_indirect_fp, 20, 0 }, // module reference
119	121	{ address_mode_middle_t::small_immediate, 0 }, // function index into module
120	122	{ address_mode_t::offset_indirect_fp, 24, 0 } // module call frame
@@ -123,6 +125,7 @@ namespace · 2 unmodified lines
123	125	{ vm_exec_op_t
124	126	{
125	127	opcode_t::movp,
	128	+ assembly::construct_address_code(address_mode_t::offset_indirect_mp, address_mode_middle_t::none, address_mode_t::offset_double_indirect_fp),
126	129	{ address_mode_t::offset_indirect_mp, 4, 0 }, // Argument list
127	130	{ address_mode_middle_t::none },
128	131	{ address_mode_t::offset_double_indirect_fp, 24, first_arg_offset } // module call frame -> argument list offset
@@ -131,12 +134,21 @@ namespace · 2 unmodified lines
131	134	{ vm_exec_op_t
132	135	{
133	136	opcode_t::mcall,
	137	+ assembly::construct_address_code(address_mode_t::offset_indirect_fp, address_mode_middle_t::small_immediate, address_mode_t::offset_indirect_fp),
134	138	{ address_mode_t::offset_indirect_fp, 24, 0 }, // module call frame
135	139	{ address_mode_middle_t::small_immediate, 0 }, // function index into module
136	140	{ address_mode_t::offset_indirect_fp, 20, 0 } // module reference
137	141	}
138	142	},
139		− { vm_exec_op_t{ opcode_t::ret,{ address_mode_t::none },{ address_mode_middle_t::none },{ address_mode_t::none } } },
	143	+ { vm_exec_op_t
	144	+ {
	145	+ opcode_t::ret,
	146	+ assembly::construct_address_code(address_mode_t::none, address_mode_middle_t::none, address_mode_t::none),
	147	+ { address_mode_t::none },
	148	+ { address_mode_middle_t::none },
	149	+ { address_mode_t::none }
	150	+ }
	151	+ },
140	152	};
141	153
142	154	// Create import section for Exec