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Moved integer registers, PC and flags_* variables into new cpu_state structure. Reduces recompiled code size slightly, small speedup (1-3%).

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This commit is contained in:
SarahW 2016-04-20 21:39:41 +01:00
commit c81a91fd72
52 changed files with 1494 additions and 1408 deletions
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19
src/codegen_x86-64.c
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@ -204,7 +204,7 @@ void codegen_block_init(uint32_t phys_addr)
page_t *page = &pages[phys_addr >> 12];
if (!page->block)
mem_flush_write_page(phys_addr, cs+pc);
mem_flush_write_page(phys_addr, cs+cpu_state.pc);
block_current = (block_current + 1) & BLOCK_MASK;
block = &codeblock[block_current];
@ -220,7 +220,7 @@ void codegen_block_init(uint32_t phys_addr)
block_num = HASH(phys_addr);
codeblock_hash[block_num] = &codeblock[block_current];
block->ins = 0;
block->pc = cs + pc;
block->pc = cs + cpu_state.pc;
block->_cs = cs;
block->pnt = block_current;
block->phys = phys_addr;
@ -570,7 +570,7 @@ void codegen_debug()
{
if (output)
{
pclog("At %04x(%08x):%04x %04x(%08x):%04x es=%08x EAX=%08x BX=%04x ECX=%08x BP=%04x EDX=%08x EDI=%08x\n", CS, cs, pc, SS, ss, ESP, es,EAX, BX,ECX,BP, EDX,EDI);
pclog("At %04x(%08x):%04x %04x(%08x):%04x es=%08x EAX=%08x BX=%04x ECX=%08x BP=%04x EDX=%08x EDI=%08x\n", CS, cs, cpu_state.pc, SS, ss, ESP, es,EAX, BX,ECX,BP, EDX,EDI);
}
}
@ -1102,12 +1102,12 @@ generate_call:
if (new_pc)
{
if (new_pc != -1)
STORE_IMM_ADDR_L((uintptr_t)&pc, new_pc);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.pc, new_pc);
codegen_block_ins++;
block->ins++;
codegen_block_full_ins++;
codegen_endpc = (cs + pc) + 8;
codegen_endpc = (cs + cpu_state.pc) + 8;
return;
}
@ -1188,10 +1188,9 @@ generate_call:
// }
addbyte(0xC7); /*MOVL $new_pc,(pc)*/
addbyte(0x04);
addbyte(0x25);
addlong((uint32_t)&pc);
addbyte(0xC7); /*MOVL [pc],new_pc*/
addbyte(0x45);
addbyte((uintptr_t)&cpu_state.pc - (uintptr_t)&cpu_state);
addlong(op_pc + pc_off);
addbyte(0xC7); /*MOVL $old_pc,(oldpc)*/
addbyte(0x04);
@ -1222,7 +1221,7 @@ generate_call:
// call(block, codegen_debug);
codegen_endpc = (cs + pc) + 8;
codegen_endpc = (cs + cpu_state.pc) + 8;
}
void codegen_check_abrt()