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|
#ifndef _X86SSE_H_
#define _X86SSE_H_
#if defined(USE_X86_ASM)
#include "glheader.h"
/* It is up to the caller to ensure that instructions issued are
* suitable for the host cpu. There are no checks made in this module
* for mmx/sse/sse2 support on the cpu.
*/
struct x86_reg {
GLuint file:3;
GLuint idx:3;
GLuint mod:2; /* mod_REG if this is just a register */
GLint disp:24; /* only +/- 23bits of offset - should be enough... */
};
struct x86_function {
GLubyte *store;
GLubyte *csr;
GLuint stack_offset;
GLint need_emms;
};
enum x86_reg_file {
file_REG32,
file_MMX,
file_XMM
};
/* Values for mod field of modr/m byte
*/
enum x86_reg_mod {
mod_INDIRECT,
mod_DISP8,
mod_DISP32,
mod_REG
};
enum x86_reg_name {
reg_AX,
reg_CX,
reg_DX,
reg_BX,
reg_SP,
reg_BP,
reg_SI,
reg_DI
};
enum x86_cc {
cc_O, /* overflow */
cc_NO, /* not overflow */
cc_NAE, /* not above or equal / carry */
cc_AE, /* above or equal / not carry */
cc_E, /* equal / zero */
cc_NE /* not equal / not zero */
};
#define cc_Z cc_E
#define cc_NZ cc_NE
/* Begin/end/retreive function creation:
*/
void x86_init_func( struct x86_function *p );
void x86_release_func( struct x86_function *p );
void (*x86_get_func( struct x86_function *p ))( void );
/* Create and manipulate registers and regmem values:
*/
struct x86_reg x86_make_reg( enum x86_reg_file file,
enum x86_reg_name idx );
struct x86_reg x86_make_disp( struct x86_reg reg,
GLint disp );
struct x86_reg x86_deref( struct x86_reg reg );
struct x86_reg x86_get_base_reg( struct x86_reg reg );
/* Labels, jumps and fixup:
*/
GLubyte *x86_get_label( struct x86_function *p );
void x86_jcc( struct x86_function *p,
enum x86_cc cc,
GLubyte *label );
/* Always use a 32bit offset for forward jumps:
*/
GLubyte *x86_jcc_forward( struct x86_function *p,
enum x86_cc cc );
/* Fixup offset from forward jump:
*/
void x86_fixup_fwd_jump( struct x86_function *p,
GLubyte *fixup );
void x86_push( struct x86_function *p,
struct x86_reg reg );
void x86_pop( struct x86_function *p,
struct x86_reg reg );
void x86_inc( struct x86_function *p,
struct x86_reg reg );
void x86_dec( struct x86_function *p,
struct x86_reg reg );
void x86_ret( struct x86_function *p );
void mmx_emms( struct x86_function *p );
void x86_mov( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void x86_xor( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void x86_cmp( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void sse2_movd( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void mmx_movd( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void mmx_movq( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void sse_movss( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void sse_movaps( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void sse_movups( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void sse_movhps( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void sse_movlps( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
/* SSE operations often only have one format, with dest constrained to
* be a register:
*/
void sse_mulps( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void sse_addps( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void sse_movhlps( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void sse_movlhps( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void sse2_cvtps2dq( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void sse2_packssdw( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void sse2_packsswb( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void sse2_packuswb( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void sse_cvtps2pi( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void mmx_packssdw( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void mmx_packuswb( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
/* Load effective address:
*/
void x86_lea( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
void x86_test( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src );
/* Perform a reduced swizzle in a single sse instruction:
*/
void sse2_pshufd( struct x86_function *p,
struct x86_reg dest,
struct x86_reg arg0,
GLubyte x,
GLubyte y,
GLubyte z,
GLubyte w );
/* Shufps can also be used to implement a reduced swizzle when dest ==
* arg0.
*/
void sse_shufps( struct x86_function *p,
struct x86_reg dest,
struct x86_reg arg0,
GLubyte x,
GLubyte y,
GLubyte z,
GLubyte w );
/* Retreive a reference to one of the function arguments, taking into
* account any push/pop activity:
*/
struct x86_reg x86_fn_arg( struct x86_function *p,
GLuint arg );
#endif
#endif
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