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#include "config.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <orc/orcprogram.h>
#include <orc/orcdebug.h>
#include <orc/orcmmx.h>
/**
* SECTION:orcmmx
* @title: MMX
* @short_description: code generation for MMX
*/
const char *
orc_x86_get_regname_mmx(int i)
{
static const char *x86_regs[] = {
"mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7",
"mm8", "mm9", "mm10", "mm11", "mm12", "mm13", "mm14", "mm15"
};
if (i>=X86_MM0 && i<X86_MM0 + 16) return x86_regs[i - X86_MM0];
switch (i) {
case 0:
return "UNALLOCATED";
case 1:
return "direct";
default:
return "ERROR";
}
}
#if 0
void
orc_x86_emit_mov_memindex_mmx (OrcCompiler *compiler, int size, int offset,
int reg1, int regindex, int shift, int reg2, int is_aligned)
{
switch (size) {
case 4:
ORC_ASM_CODE(compiler," movd %d(%%%s,%%%s,%d), %%%s\n", offset,
orc_x86_get_regname_ptr(compiler, reg1),
orc_x86_get_regname_ptr(compiler, regindex), 1<<shift,
orc_x86_get_regname_mmx(reg2));
orc_x86_emit_rex(compiler, 0, reg2, 0, reg1);
*compiler->codeptr++ = 0x0f;
*compiler->codeptr++ = 0x6e;
break;
case 8:
ORC_ASM_CODE(compiler," movq %d(%%%s,%%%s,%d), %%%s\n", offset, orc_x86_get_regname_ptr(compiler, reg1),
orc_x86_get_regname_ptr(compiler, regindex), 1<<shift,
orc_x86_get_regname_mmx(reg2));
orc_x86_emit_rex(compiler, 0, reg2, 0, reg1);
*compiler->codeptr++ = 0x0f;
*compiler->codeptr++ = 0x7e;
break;
default:
ORC_COMPILER_ERROR(compiler, "bad size");
break;
}
orc_x86_emit_modrm_memindex (compiler, reg2, offset, reg1, regindex, shift);
}
void
orc_x86_emit_mov_memoffset_mmx (OrcCompiler *compiler, int size, int offset,
int reg1, int reg2, int is_aligned)
{
switch (size) {
case 4:
ORC_ASM_CODE(compiler," movd %d(%%%s), %%%s\n", offset, orc_x86_get_regname_ptr(compiler, reg1),
orc_x86_get_regname_mmx(reg2));
orc_x86_emit_rex(compiler, 0, reg2, 0, reg1);
*compiler->codeptr++ = 0x0f;
*compiler->codeptr++ = 0x6e;
break;
case 8:
ORC_ASM_CODE(compiler," movq %d(%%%s), %%%s\n", offset, orc_x86_get_regname_ptr(compiler, reg1),
orc_x86_get_regname_mmx(reg2));
orc_x86_emit_rex(compiler, 0, reg2, 0, reg1);
*compiler->codeptr++ = 0x0f;
*compiler->codeptr++ = 0x6f;
break;
default:
ORC_COMPILER_ERROR(compiler, "bad size");
break;
}
orc_x86_emit_modrm_memoffset (compiler, offset, reg1, reg2);
}
void
orc_x86_emit_mov_mmx_memoffset (OrcCompiler *compiler, int size, int reg1, int offset,
int reg2, int aligned, int uncached)
{
switch (size) {
case 4:
ORC_ASM_CODE(compiler," movd %%%s, %d(%%%s)\n", orc_x86_get_regname_mmx(reg1), offset,
orc_x86_get_regname_ptr(compiler, reg2));
orc_x86_emit_rex(compiler, 0, reg1, 0, reg2);
*compiler->codeptr++ = 0x0f;
*compiler->codeptr++ = 0x7e;
break;
case 8:
ORC_ASM_CODE(compiler," movq %%%s, %d(%%%s)\n", orc_x86_get_regname_mmx(reg1), offset,
orc_x86_get_regname_ptr(compiler, reg2));
orc_x86_emit_rex(compiler, 0, reg1, 0, reg2);
*compiler->codeptr++ = 0x0f;
*compiler->codeptr++ = 0x7f;
break;
default:
ORC_COMPILER_ERROR(compiler, "bad size");
break;
}
orc_x86_emit_modrm_memoffset (compiler, offset, reg2, reg1);
}
#endif
void
orc_x86_emit_mov_memoffset_mmx (OrcCompiler *compiler, int size, int offset,
int reg1, int reg2, int is_aligned)
{
switch (size) {
case 4:
orc_mmx_emit_movd_load_memoffset (compiler, offset, reg1, reg2);
break;
case 8:
orc_mmx_emit_movq_load_memoffset (compiler, offset, reg1, reg2);
break;
default:
ORC_COMPILER_ERROR(compiler, "bad size");
break;
}
}
void
orc_x86_emit_mov_memindex_mmx (OrcCompiler *compiler, int size, int offset,
int reg1, int regindex, int shift, int reg2, int is_aligned)
{
switch (size) {
case 4:
orc_mmx_emit_movd_load_memindex (compiler, offset,
reg1, regindex, shift, reg2);
break;
case 8:
orc_mmx_emit_movq_load_memindex (compiler, offset,
reg1, regindex, shift, reg2);
break;
default:
ORC_COMPILER_ERROR(compiler, "bad size");
break;
}
}
void
orc_x86_emit_mov_mmx_memoffset (OrcCompiler *compiler, int size, int reg1,
int offset, int reg2, int aligned, int uncached)
{
switch (size) {
case 4:
orc_mmx_emit_movd_store_memoffset (compiler, offset, reg1, reg2);
break;
case 8:
orc_mmx_emit_movq_store_memoffset (compiler, offset, reg1, reg2);
break;
default:
ORC_COMPILER_ERROR(compiler, "bad size");
break;
}
}
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