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Added code generation for first batch of FPU instructions; instructions added are most common instructions used in Quake.

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This commit is contained in:
TomW 2015-04-19 08:42:04 +01:00
commit 15bca849c8
11 changed files with 1179 additions and 48 deletions
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16
src/codegen_x86.c
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@ -22,6 +22,7 @@
#endif
int codegen_flags_changed = 0;
int codegen_fpu_entered = 0;
x86seg *op_ea_seg;
int op_ssegs;
uint32_t op_old_pc;
@ -253,6 +254,7 @@ void codegen_block_init(uint32_t phys_addr)
recomp_page = phys_addr & ~0xfff;
codegen_flags_changed = 0;
codegen_fpu_entered = 0;
}
void codegen_block_remove()
@ -750,7 +752,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
case 0xd8:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_d8_a32 : x86_dynarec_opcodes_d8_a16;
recomp_op_table = NULL;
recomp_op_table = recomp_opcodes_d8;
opcode_shift = 3;
opcode_mask = 0x1f;
over = 1;
@ -759,7 +761,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
break;
case 0xd9:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_d9_a32 : x86_dynarec_opcodes_d9_a16;
recomp_op_table = NULL;
recomp_op_table = recomp_opcodes_d9;
opcode_mask = 0xff;
over = 1;
pc_off = -1;
@ -775,7 +777,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
break;
case 0xdb:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_db_a32 : x86_dynarec_opcodes_db_a16;
recomp_op_table = NULL;
recomp_op_table = recomp_opcodes_db;
opcode_mask = 0xff;
over = 1;
pc_off = -1;
@ -783,7 +785,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
break;
case 0xdc:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_dc_a32 : x86_dynarec_opcodes_dc_a16;
recomp_op_table = NULL;
recomp_op_table = recomp_opcodes_dc;
opcode_shift = 3;
opcode_mask = 0x1f;
over = 1;
@ -792,7 +794,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
break;
case 0xdd:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_dd_a32 : x86_dynarec_opcodes_dd_a16;
recomp_op_table = NULL;
recomp_op_table = recomp_opcodes_dd;
opcode_mask = 0xff;
over = 1;
pc_off = -1;
@ -800,7 +802,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
break;
case 0xde:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_de_a32 : x86_dynarec_opcodes_de_a16;
recomp_op_table = NULL;
recomp_op_table = recomp_opcodes_de;
opcode_mask = 0xff;
over = 1;
pc_off = -1;
@ -808,7 +810,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
break;
case 0xdf:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_df_a32 : x86_dynarec_opcodes_df_a16;
recomp_op_table = NULL;
recomp_op_table = recomp_opcodes_df;
opcode_mask = 0xff;
over = 1;
pc_off = -1;