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Added recompiled register versions of FADD, FDIV, FDIVR, FMUL, FSUB and FSUBR.

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This commit is contained in:
SarahW 2018-10-07 22:02:31 +01:00
commit 78996b3e5c
31 changed files with 1642 additions and 166 deletions
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34
src/codegen_backend_x86.c
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@ -5,6 +5,7 @@
#include "codegen_backend.h"
#include "codegen_backend_x86_defs.h"
#include "codegen_backend_x86_ops.h"
#include "codegen_reg.h"
#include "x86.h"
#if defined(__linux__) || defined(__APPLE__)
@ -30,12 +31,23 @@ int codegen_host_reg_list[CODEGEN_HOST_REGS] =
REG_EDX
};
int codegen_host_fp_reg_list[CODEGEN_HOST_FP_REGS] =
{
REG_XMM0,
REG_XMM1,
REG_XMM2,
REG_XMM3,
REG_XMM4,
REG_XMM5,
REG_XMM6
};
static void *mem_abrt_rout;
static void build_load_routine(codeblock_t *block, int size)
{
uint8_t *branch_offset;
uint8_t *misaligned_offset;
uint8_t *misaligned_offset = NULL;
/*In - ESI = address
Out - ECX = data, ESI = abrt*/
@ -107,7 +119,7 @@ static void build_load_routine(codeblock_t *block, int size)
static void build_store_routine(codeblock_t *block, int size)
{
uint8_t *branch_offset;
uint8_t *misaligned_offset;
uint8_t *misaligned_offset = NULL;
/*In - ECX = data, ESI = address
Out - ESI = abrt
@ -253,18 +265,24 @@ void codegen_backend_prologue(codeblock_t *block)
addbyte(0x55); /*PUSH EBP*/
addbyte(0x56); /*PUSH ESI*/
addbyte(0x57); /*PUSH EDI*/
addbyte(0x83); /*SUBL $32,%esp*/
addbyte(0x83); /*SUBL $64,%esp*/
addbyte(0xEC);
addbyte(0x20);
addbyte(0x40);
addbyte(0xBD); /*MOVL EBP, &cpu_state*/
addlong(((uintptr_t)&cpu_state) + 128);
if (block->flags & CODEBLOCK_HAS_FPU)
{
host_x86_MOV32_REG_ABS(block, REG_EAX, &cpu_state.TOP);
host_x86_SUB32_REG_IMM(block, REG_EAX, REG_EAX, block->TOP);
host_x86_MOV32_BASE_OFFSET_REG(block, REG_ESP, IREG_TOP_diff_stack_offset, REG_EAX);
}
}
void codegen_backend_epilogue(codeblock_t *block)
{
addbyte(0x83); /*ADDL $32,%esp*/
addbyte(0x83); /*ADDL $64,%esp*/
addbyte(0xC4);
addbyte(0x20);
addbyte(0x40);
addbyte(0x5f); /*POP EDI*/
addbyte(0x5e); /*POP ESI*/
addbyte(0x5d); /*POP EBP*/
@ -287,9 +305,9 @@ 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 $32,%esp*/
addbyte(0x83); /*ADDL $64,%esp*/
addbyte(0xC4);
addbyte(0x20);
addbyte(0x40);
addbyte(0x5f); /*POP EDI*/
addbyte(0x5e); /*POP ESI*/
addbyte(0x5d); /*POP EBP*/