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Added recompiled versions of mem->reg, reg->mem and imm->mem versions of ADD, AND, CMP, OR, SUB and XOR.

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This commit is contained in:
SarahW 2018-07-27 22:24:34 +01:00
commit e64271f5bb
18 changed files with 1554 additions and 542 deletions
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12
src/codegen_backend_x86.c
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@ -253,18 +253,18 @@ void codegen_backend_prologue(codeblock_t *block)
addbyte(0x55); /*PUSH EBP*/
addbyte(0x56); /*PUSH ESI*/
addbyte(0x57); /*PUSH EDI*/
addbyte(0x83); /*SUBL $16,%esp*/
addbyte(0x83); /*SUBL $32,%esp*/
addbyte(0xEC);
addbyte(0x10);
addbyte(0x20);
addbyte(0xBD); /*MOVL EBP, &cpu_state*/
addlong(((uintptr_t)&cpu_state) + 128);
}
void codegen_backend_epilogue(codeblock_t *block)
{
addbyte(0x83); /*ADDL $16,%esp*/
addbyte(0x83); /*ADDL $32,%esp*/
addbyte(0xC4);
addbyte(0x10);
addbyte(0x20);
addbyte(0x5f); /*POP EDI*/
addbyte(0x5e); /*POP ESI*/
addbyte(0x5d); /*POP EBP*/
@ -287,9 +287,9 @@ void codegen_backend_epilogue(codeblock_t *block)
addbyte(0xe8); /*CALL x86gpf*/
addlong((uint32_t)x86gpf - (uint32_t)(&codeblock[block_current].data[block_pos + 4]));
block_pos = BLOCK_EXIT_OFFSET; /*Exit code*/
addbyte(0x83); /*ADDL $16,%esp*/
addbyte(0x83); /*ADDL $32,%esp*/
addbyte(0xC4);
addbyte(0x10);
addbyte(0x20);
addbyte(0x5f); /*POP EDI*/
addbyte(0x5e); /*POP ESI*/
addbyte(0x5d); /*POP EBP*/