2 #if defined(__i386__) || defined(__386__)
4 #include "main/imports.h"
11 static unsigned char *cptr( void (*label
)() )
13 return (unsigned char *)(unsigned long)label
;
18 static void do_realloc( struct x86_function
*p
)
22 p
->store
= _mesa_exec_malloc(p
->size
);
26 unsigned used
= p
->csr
- p
->store
;
27 unsigned char *tmp
= p
->store
;
29 p
->store
= _mesa_exec_malloc(p
->size
);
30 memcpy(p
->store
, tmp
, used
);
31 p
->csr
= p
->store
+ used
;
36 /* Emit bytes to the instruction stream:
38 static unsigned char *reserve( struct x86_function
*p
, int bytes
)
40 if (p
->csr
+ bytes
- p
->store
> p
->size
)
44 unsigned char *csr
= p
->csr
;
52 static void emit_1b( struct x86_function
*p
, char b0
)
54 char *csr
= (char *)reserve(p
, 1);
58 static void emit_1i( struct x86_function
*p
, int i0
)
60 int *icsr
= (int *)reserve(p
, sizeof(i0
));
64 static void emit_1ub( struct x86_function
*p
, unsigned char b0
)
66 unsigned char *csr
= reserve(p
, 1);
70 static void emit_2ub( struct x86_function
*p
, unsigned char b0
, unsigned char b1
)
72 unsigned char *csr
= reserve(p
, 2);
77 static void emit_3ub( struct x86_function
*p
, unsigned char b0
, unsigned char b1
, unsigned char b2
)
79 unsigned char *csr
= reserve(p
, 3);
86 /* Build a modRM byte + possible displacement. No treatment of SIB
87 * indexing. BZZT - no way to encode an absolute address.
89 static void emit_modrm( struct x86_function
*p
,
91 struct x86_reg regmem
)
93 unsigned char val
= 0;
95 assert(reg
.mod
== mod_REG
);
97 val
|= regmem
.mod
<< 6; /* mod field */
98 val
|= reg
.idx
<< 3; /* reg field */
99 val
|= regmem
.idx
; /* r/m field */
103 /* Oh-oh we've stumbled into the SIB thing.
105 if (regmem
.file
== file_REG32
&&
106 regmem
.idx
== reg_SP
) {
107 emit_1ub(p
, 0x24); /* simplistic! */
110 switch (regmem
.mod
) {
115 emit_1b(p
, regmem
.disp
);
118 emit_1i(p
, regmem
.disp
);
127 static void emit_modrm_noreg( struct x86_function
*p
,
129 struct x86_reg regmem
)
131 struct x86_reg dummy
= x86_make_reg(file_REG32
, op
);
132 emit_modrm(p
, dummy
, regmem
);
135 /* Many x86 instructions have two opcodes to cope with the situations
136 * where the destination is a register or memory reference
137 * respectively. This function selects the correct opcode based on
138 * the arguments presented.
140 static void emit_op_modrm( struct x86_function
*p
,
141 unsigned char op_dst_is_reg
,
142 unsigned char op_dst_is_mem
,
148 emit_1ub(p
, op_dst_is_reg
);
149 emit_modrm(p
, dst
, src
);
154 assert(src
.mod
== mod_REG
);
155 emit_1ub(p
, op_dst_is_mem
);
156 emit_modrm(p
, src
, dst
);
170 /* Create and manipulate registers and regmem values:
172 struct x86_reg
x86_make_reg( enum x86_reg_file file
,
173 enum x86_reg_name idx
)
185 struct x86_reg
x86_make_disp( struct x86_reg reg
,
188 assert(reg
.file
== file_REG32
);
190 if (reg
.mod
== mod_REG
)
196 reg
.mod
= mod_INDIRECT
;
197 else if (reg
.disp
<= 127 && reg
.disp
>= -128)
200 reg
.mod
= mod_DISP32
;
205 struct x86_reg
x86_deref( struct x86_reg reg
)
207 return x86_make_disp(reg
, 0);
210 struct x86_reg
x86_get_base_reg( struct x86_reg reg
)
212 return x86_make_reg( reg
.file
, reg
.idx
);
215 unsigned char *x86_get_label( struct x86_function
*p
)
222 /***********************************************************************
227 void x86_jcc( struct x86_function
*p
,
229 unsigned char *label
)
231 int offset
= label
- (x86_get_label(p
) + 2);
233 if (offset
<= 127 && offset
>= -128) {
234 emit_1ub(p
, 0x70 + cc
);
235 emit_1b(p
, (char) offset
);
238 offset
= label
- (x86_get_label(p
) + 6);
239 emit_2ub(p
, 0x0f, 0x80 + cc
);
244 /* Always use a 32bit offset for forward jumps:
246 unsigned char *x86_jcc_forward( struct x86_function
*p
,
249 emit_2ub(p
, 0x0f, 0x80 + cc
);
251 return x86_get_label(p
);
254 unsigned char *x86_jmp_forward( struct x86_function
*p
)
258 return x86_get_label(p
);
261 unsigned char *x86_call_forward( struct x86_function
*p
)
265 return x86_get_label(p
);
268 /* Fixup offset from forward jump:
270 void x86_fixup_fwd_jump( struct x86_function
*p
,
271 unsigned char *fixup
)
273 *(int *)(fixup
- 4) = x86_get_label(p
) - fixup
;
276 void x86_jmp( struct x86_function
*p
, unsigned char *label
)
279 emit_1i(p
, label
- x86_get_label(p
) - 4);
283 /* This doesn't work once we start reallocating & copying the
284 * generated code on buffer fills, because the call is relative to the
287 void x86_call( struct x86_function
*p
, void (*label
)())
290 emit_1i(p
, cptr(label
) - x86_get_label(p
) - 4);
293 void x86_call( struct x86_function
*p
, struct x86_reg reg
)
296 emit_modrm_noreg(p
, 2, reg
);
302 * Temporary. As I need immediate operands, and dont want to mess with the codegen,
303 * I load the immediate into general purpose register and use it.
305 void x86_mov_reg_imm( struct x86_function
*p
, struct x86_reg dst
, int imm
)
307 assert(dst
.mod
== mod_REG
);
308 emit_1ub(p
, 0xb8 + dst
.idx
);
312 void x86_push( struct x86_function
*p
,
315 assert(reg
.mod
== mod_REG
);
316 emit_1ub(p
, 0x50 + reg
.idx
);
317 p
->stack_offset
+= 4;
320 void x86_pop( struct x86_function
*p
,
323 assert(reg
.mod
== mod_REG
);
324 emit_1ub(p
, 0x58 + reg
.idx
);
325 p
->stack_offset
-= 4;
328 void x86_inc( struct x86_function
*p
,
331 assert(reg
.mod
== mod_REG
);
332 emit_1ub(p
, 0x40 + reg
.idx
);
335 void x86_dec( struct x86_function
*p
,
338 assert(reg
.mod
== mod_REG
);
339 emit_1ub(p
, 0x48 + reg
.idx
);
342 void x86_ret( struct x86_function
*p
)
347 void x86_sahf( struct x86_function
*p
)
352 void x86_mov( struct x86_function
*p
,
356 emit_op_modrm( p
, 0x8b, 0x89, dst
, src
);
359 void x86_xor( struct x86_function
*p
,
363 emit_op_modrm( p
, 0x33, 0x31, dst
, src
);
366 void x86_cmp( struct x86_function
*p
,
370 emit_op_modrm( p
, 0x3b, 0x39, dst
, src
);
373 void x86_lea( struct x86_function
*p
,
378 emit_modrm( p
, dst
, src
);
381 void x86_test( struct x86_function
*p
,
386 emit_modrm( p
, dst
, src
);
389 void x86_add( struct x86_function
*p
,
393 emit_op_modrm(p
, 0x03, 0x01, dst
, src
);
396 void x86_mul( struct x86_function
*p
,
399 assert (src
.file
== file_REG32
&& src
.mod
== mod_REG
);
400 emit_op_modrm(p
, 0xf7, 0, x86_make_reg (file_REG32
, reg_SP
), src
);
403 void x86_sub( struct x86_function
*p
,
407 emit_op_modrm(p
, 0x2b, 0x29, dst
, src
);
410 void x86_or( struct x86_function
*p
,
414 emit_op_modrm( p
, 0x0b, 0x09, dst
, src
);
417 void x86_and( struct x86_function
*p
,
421 emit_op_modrm( p
, 0x23, 0x21, dst
, src
);
426 /***********************************************************************
431 void sse_movss( struct x86_function
*p
,
435 emit_2ub(p
, 0xF3, X86_TWOB
);
436 emit_op_modrm( p
, 0x10, 0x11, dst
, src
);
439 void sse_movaps( struct x86_function
*p
,
443 emit_1ub(p
, X86_TWOB
);
444 emit_op_modrm( p
, 0x28, 0x29, dst
, src
);
447 void sse_movups( struct x86_function
*p
,
451 emit_1ub(p
, X86_TWOB
);
452 emit_op_modrm( p
, 0x10, 0x11, dst
, src
);
455 void sse_movhps( struct x86_function
*p
,
459 assert(dst
.mod
!= mod_REG
|| src
.mod
!= mod_REG
);
460 emit_1ub(p
, X86_TWOB
);
461 emit_op_modrm( p
, 0x16, 0x17, dst
, src
); /* cf movlhps */
464 void sse_movlps( struct x86_function
*p
,
468 assert(dst
.mod
!= mod_REG
|| src
.mod
!= mod_REG
);
469 emit_1ub(p
, X86_TWOB
);
470 emit_op_modrm( p
, 0x12, 0x13, dst
, src
); /* cf movhlps */
473 void sse_maxps( struct x86_function
*p
,
477 emit_2ub(p
, X86_TWOB
, 0x5F);
478 emit_modrm( p
, dst
, src
);
481 void sse_maxss( struct x86_function
*p
,
485 emit_3ub(p
, 0xF3, X86_TWOB
, 0x5F);
486 emit_modrm( p
, dst
, src
);
489 void sse_divss( struct x86_function
*p
,
493 emit_3ub(p
, 0xF3, X86_TWOB
, 0x5E);
494 emit_modrm( p
, dst
, src
);
497 void sse_minps( struct x86_function
*p
,
501 emit_2ub(p
, X86_TWOB
, 0x5D);
502 emit_modrm( p
, dst
, src
);
505 void sse_subps( struct x86_function
*p
,
509 emit_2ub(p
, X86_TWOB
, 0x5C);
510 emit_modrm( p
, dst
, src
);
513 void sse_mulps( struct x86_function
*p
,
517 emit_2ub(p
, X86_TWOB
, 0x59);
518 emit_modrm( p
, dst
, src
);
521 void sse_mulss( struct x86_function
*p
,
525 emit_3ub(p
, 0xF3, X86_TWOB
, 0x59);
526 emit_modrm( p
, dst
, src
);
529 void sse_addps( struct x86_function
*p
,
533 emit_2ub(p
, X86_TWOB
, 0x58);
534 emit_modrm( p
, dst
, src
);
537 void sse_addss( struct x86_function
*p
,
541 emit_3ub(p
, 0xF3, X86_TWOB
, 0x58);
542 emit_modrm( p
, dst
, src
);
545 void sse_andnps( struct x86_function
*p
,
549 emit_2ub(p
, X86_TWOB
, 0x55);
550 emit_modrm( p
, dst
, src
);
553 void sse_andps( struct x86_function
*p
,
557 emit_2ub(p
, X86_TWOB
, 0x54);
558 emit_modrm( p
, dst
, src
);
561 void sse_rsqrtps( struct x86_function
*p
,
565 emit_2ub(p
, X86_TWOB
, 0x52);
566 emit_modrm( p
, dst
, src
);
569 void sse_rsqrtss( struct x86_function
*p
,
573 emit_3ub(p
, 0xF3, X86_TWOB
, 0x52);
574 emit_modrm( p
, dst
, src
);
578 void sse_movhlps( struct x86_function
*p
,
582 assert(dst
.mod
== mod_REG
&& src
.mod
== mod_REG
);
583 emit_2ub(p
, X86_TWOB
, 0x12);
584 emit_modrm( p
, dst
, src
);
587 void sse_movlhps( struct x86_function
*p
,
591 assert(dst
.mod
== mod_REG
&& src
.mod
== mod_REG
);
592 emit_2ub(p
, X86_TWOB
, 0x16);
593 emit_modrm( p
, dst
, src
);
596 void sse_orps( struct x86_function
*p
,
600 emit_2ub(p
, X86_TWOB
, 0x56);
601 emit_modrm( p
, dst
, src
);
604 void sse_xorps( struct x86_function
*p
,
608 emit_2ub(p
, X86_TWOB
, 0x57);
609 emit_modrm( p
, dst
, src
);
612 void sse_cvtps2pi( struct x86_function
*p
,
616 assert(dst
.file
== file_MMX
&&
617 (src
.file
== file_XMM
|| src
.mod
!= mod_REG
));
621 emit_2ub(p
, X86_TWOB
, 0x2d);
622 emit_modrm( p
, dst
, src
);
626 /* Shufps can also be used to implement a reduced swizzle when dest ==
629 void sse_shufps( struct x86_function
*p
,
634 emit_2ub(p
, X86_TWOB
, 0xC6);
635 emit_modrm(p
, dest
, arg0
);
639 void sse_cmpps( struct x86_function
*p
,
644 emit_2ub(p
, X86_TWOB
, 0xC2);
645 emit_modrm(p
, dest
, arg0
);
649 void sse_pmovmskb( struct x86_function
*p
,
653 emit_3ub(p
, 0x66, X86_TWOB
, 0xD7);
654 emit_modrm(p
, dest
, src
);
657 /***********************************************************************
662 * Perform a reduced swizzle:
664 void sse2_pshufd( struct x86_function
*p
,
669 emit_3ub(p
, 0x66, X86_TWOB
, 0x70);
670 emit_modrm(p
, dest
, arg0
);
674 void sse2_cvttps2dq( struct x86_function
*p
,
678 emit_3ub( p
, 0xF3, X86_TWOB
, 0x5B );
679 emit_modrm( p
, dst
, src
);
682 void sse2_cvtps2dq( struct x86_function
*p
,
686 emit_3ub(p
, 0x66, X86_TWOB
, 0x5B);
687 emit_modrm( p
, dst
, src
);
690 void sse2_packssdw( struct x86_function
*p
,
694 emit_3ub(p
, 0x66, X86_TWOB
, 0x6B);
695 emit_modrm( p
, dst
, src
);
698 void sse2_packsswb( struct x86_function
*p
,
702 emit_3ub(p
, 0x66, X86_TWOB
, 0x63);
703 emit_modrm( p
, dst
, src
);
706 void sse2_packuswb( struct x86_function
*p
,
710 emit_3ub(p
, 0x66, X86_TWOB
, 0x67);
711 emit_modrm( p
, dst
, src
);
714 void sse2_rcpps( struct x86_function
*p
,
718 emit_2ub(p
, X86_TWOB
, 0x53);
719 emit_modrm( p
, dst
, src
);
722 void sse2_rcpss( struct x86_function
*p
,
726 emit_3ub(p
, 0xF3, X86_TWOB
, 0x53);
727 emit_modrm( p
, dst
, src
);
730 void sse2_movd( struct x86_function
*p
,
734 emit_2ub(p
, 0x66, X86_TWOB
);
735 emit_op_modrm( p
, 0x6e, 0x7e, dst
, src
);
741 /***********************************************************************
744 void x87_fist( struct x86_function
*p
, struct x86_reg dst
)
747 emit_modrm_noreg(p
, 2, dst
);
750 void x87_fistp( struct x86_function
*p
, struct x86_reg dst
)
753 emit_modrm_noreg(p
, 3, dst
);
756 void x87_fild( struct x86_function
*p
, struct x86_reg arg
)
759 emit_modrm_noreg(p
, 0, arg
);
762 void x87_fldz( struct x86_function
*p
)
764 emit_2ub(p
, 0xd9, 0xee);
768 void x87_fldcw( struct x86_function
*p
, struct x86_reg arg
)
770 assert(arg
.file
== file_REG32
);
771 assert(arg
.mod
!= mod_REG
);
773 emit_modrm_noreg(p
, 5, arg
);
776 void x87_fld1( struct x86_function
*p
)
778 emit_2ub(p
, 0xd9, 0xe8);
781 void x87_fldl2e( struct x86_function
*p
)
783 emit_2ub(p
, 0xd9, 0xea);
786 void x87_fldln2( struct x86_function
*p
)
788 emit_2ub(p
, 0xd9, 0xed);
791 void x87_fwait( struct x86_function
*p
)
796 void x87_fnclex( struct x86_function
*p
)
798 emit_2ub(p
, 0xdb, 0xe2);
801 void x87_fclex( struct x86_function
*p
)
808 static void x87_arith_op( struct x86_function
*p
, struct x86_reg dst
, struct x86_reg arg
,
809 unsigned char dst0ub0
,
810 unsigned char dst0ub1
,
811 unsigned char arg0ub0
,
812 unsigned char arg0ub1
,
813 unsigned char argmem_noreg
)
815 assert(dst
.file
== file_x87
);
817 if (arg
.file
== file_x87
) {
819 emit_2ub(p
, dst0ub0
, dst0ub1
+arg
.idx
);
820 else if (arg
.idx
== 0)
821 emit_2ub(p
, arg0ub0
, arg0ub1
+arg
.idx
);
825 else if (dst
.idx
== 0) {
826 assert(arg
.file
== file_REG32
);
828 emit_modrm_noreg(p
, argmem_noreg
, arg
);
834 void x87_fmul( struct x86_function
*p
, struct x86_reg dst
, struct x86_reg arg
)
836 x87_arith_op(p
, dst
, arg
,
842 void x87_fsub( struct x86_function
*p
, struct x86_reg dst
, struct x86_reg arg
)
844 x87_arith_op(p
, dst
, arg
,
850 void x87_fsubr( struct x86_function
*p
, struct x86_reg dst
, struct x86_reg arg
)
852 x87_arith_op(p
, dst
, arg
,
858 void x87_fadd( struct x86_function
*p
, struct x86_reg dst
, struct x86_reg arg
)
860 x87_arith_op(p
, dst
, arg
,
866 void x87_fdiv( struct x86_function
*p
, struct x86_reg dst
, struct x86_reg arg
)
868 x87_arith_op(p
, dst
, arg
,
874 void x87_fdivr( struct x86_function
*p
, struct x86_reg dst
, struct x86_reg arg
)
876 x87_arith_op(p
, dst
, arg
,
882 void x87_fmulp( struct x86_function
*p
, struct x86_reg dst
)
884 assert(dst
.file
== file_x87
);
885 assert(dst
.idx
>= 1);
886 emit_2ub(p
, 0xde, 0xc8+dst
.idx
);
889 void x87_fsubp( struct x86_function
*p
, struct x86_reg dst
)
891 assert(dst
.file
== file_x87
);
892 assert(dst
.idx
>= 1);
893 emit_2ub(p
, 0xde, 0xe8+dst
.idx
);
896 void x87_fsubrp( struct x86_function
*p
, struct x86_reg dst
)
898 assert(dst
.file
== file_x87
);
899 assert(dst
.idx
>= 1);
900 emit_2ub(p
, 0xde, 0xe0+dst
.idx
);
903 void x87_faddp( struct x86_function
*p
, struct x86_reg dst
)
905 assert(dst
.file
== file_x87
);
906 assert(dst
.idx
>= 1);
907 emit_2ub(p
, 0xde, 0xc0+dst
.idx
);
910 void x87_fdivp( struct x86_function
*p
, struct x86_reg dst
)
912 assert(dst
.file
== file_x87
);
913 assert(dst
.idx
>= 1);
914 emit_2ub(p
, 0xde, 0xf8+dst
.idx
);
917 void x87_fdivrp( struct x86_function
*p
, struct x86_reg dst
)
919 assert(dst
.file
== file_x87
);
920 assert(dst
.idx
>= 1);
921 emit_2ub(p
, 0xde, 0xf0+dst
.idx
);
924 void x87_fucom( struct x86_function
*p
, struct x86_reg arg
)
926 assert(arg
.file
== file_x87
);
927 emit_2ub(p
, 0xdd, 0xe0+arg
.idx
);
930 void x87_fucomp( struct x86_function
*p
, struct x86_reg arg
)
932 assert(arg
.file
== file_x87
);
933 emit_2ub(p
, 0xdd, 0xe8+arg
.idx
);
936 void x87_fucompp( struct x86_function
*p
)
938 emit_2ub(p
, 0xda, 0xe9);
941 void x87_fxch( struct x86_function
*p
, struct x86_reg arg
)
943 assert(arg
.file
== file_x87
);
944 emit_2ub(p
, 0xd9, 0xc8+arg
.idx
);
947 void x87_fabs( struct x86_function
*p
)
949 emit_2ub(p
, 0xd9, 0xe1);
952 void x87_fchs( struct x86_function
*p
)
954 emit_2ub(p
, 0xd9, 0xe0);
957 void x87_fcos( struct x86_function
*p
)
959 emit_2ub(p
, 0xd9, 0xff);
963 void x87_fprndint( struct x86_function
*p
)
965 emit_2ub(p
, 0xd9, 0xfc);
968 void x87_fscale( struct x86_function
*p
)
970 emit_2ub(p
, 0xd9, 0xfd);
973 void x87_fsin( struct x86_function
*p
)
975 emit_2ub(p
, 0xd9, 0xfe);
978 void x87_fsincos( struct x86_function
*p
)
980 emit_2ub(p
, 0xd9, 0xfb);
983 void x87_fsqrt( struct x86_function
*p
)
985 emit_2ub(p
, 0xd9, 0xfa);
988 void x87_fxtract( struct x86_function
*p
)
990 emit_2ub(p
, 0xd9, 0xf4);
995 * Restrictions: -1.0 <= st0 <= 1.0
997 void x87_f2xm1( struct x86_function
*p
)
999 emit_2ub(p
, 0xd9, 0xf0);
1002 /* st1 = st1 * log2(st0);
1005 void x87_fyl2x( struct x86_function
*p
)
1007 emit_2ub(p
, 0xd9, 0xf1);
1010 /* st1 = st1 * log2(st0 + 1.0);
1013 * A fast operation, with restrictions: -.29 < st0 < .29
1015 void x87_fyl2xp1( struct x86_function
*p
)
1017 emit_2ub(p
, 0xd9, 0xf9);
1021 void x87_fld( struct x86_function
*p
, struct x86_reg arg
)
1023 if (arg
.file
== file_x87
)
1024 emit_2ub(p
, 0xd9, 0xc0 + arg
.idx
);
1027 emit_modrm_noreg(p
, 0, arg
);
1031 void x87_fst( struct x86_function
*p
, struct x86_reg dst
)
1033 if (dst
.file
== file_x87
)
1034 emit_2ub(p
, 0xdd, 0xd0 + dst
.idx
);
1037 emit_modrm_noreg(p
, 2, dst
);
1041 void x87_fstp( struct x86_function
*p
, struct x86_reg dst
)
1043 if (dst
.file
== file_x87
)
1044 emit_2ub(p
, 0xdd, 0xd8 + dst
.idx
);
1047 emit_modrm_noreg(p
, 3, dst
);
1051 void x87_fcom( struct x86_function
*p
, struct x86_reg dst
)
1053 if (dst
.file
== file_x87
)
1054 emit_2ub(p
, 0xd8, 0xd0 + dst
.idx
);
1057 emit_modrm_noreg(p
, 2, dst
);
1061 void x87_fcomp( struct x86_function
*p
, struct x86_reg dst
)
1063 if (dst
.file
== file_x87
)
1064 emit_2ub(p
, 0xd8, 0xd8 + dst
.idx
);
1067 emit_modrm_noreg(p
, 3, dst
);
1072 void x87_fnstsw( struct x86_function
*p
, struct x86_reg dst
)
1074 assert(dst
.file
== file_REG32
);
1076 if (dst
.idx
== reg_AX
&&
1078 emit_2ub(p
, 0xdf, 0xe0);
1081 emit_modrm_noreg(p
, 7, dst
);
1088 /***********************************************************************
1092 void mmx_emms( struct x86_function
*p
)
1094 assert(p
->need_emms
);
1095 emit_2ub(p
, 0x0f, 0x77);
1099 void mmx_packssdw( struct x86_function
*p
,
1101 struct x86_reg src
)
1103 assert(dst
.file
== file_MMX
&&
1104 (src
.file
== file_MMX
|| src
.mod
!= mod_REG
));
1108 emit_2ub(p
, X86_TWOB
, 0x6b);
1109 emit_modrm( p
, dst
, src
);
1112 void mmx_packuswb( struct x86_function
*p
,
1114 struct x86_reg src
)
1116 assert(dst
.file
== file_MMX
&&
1117 (src
.file
== file_MMX
|| src
.mod
!= mod_REG
));
1121 emit_2ub(p
, X86_TWOB
, 0x67);
1122 emit_modrm( p
, dst
, src
);
1125 void mmx_movd( struct x86_function
*p
,
1127 struct x86_reg src
)
1130 emit_1ub(p
, X86_TWOB
);
1131 emit_op_modrm( p
, 0x6e, 0x7e, dst
, src
);
1134 void mmx_movq( struct x86_function
*p
,
1136 struct x86_reg src
)
1139 emit_1ub(p
, X86_TWOB
);
1140 emit_op_modrm( p
, 0x6f, 0x7f, dst
, src
);
1144 /***********************************************************************
1149 /* Retreive a reference to one of the function arguments, taking into
1150 * account any push/pop activity:
1152 struct x86_reg
x86_fn_arg( struct x86_function
*p
,
1155 return x86_make_disp(x86_make_reg(file_REG32
, reg_SP
),
1156 p
->stack_offset
+ arg
* 4); /* ??? */
1160 void x86_init_func( struct x86_function
*p
)
1167 int x86_init_func_size( struct x86_function
*p
, unsigned code_size
)
1169 p
->size
= code_size
;
1170 p
->store
= _mesa_exec_malloc(code_size
);
1172 return p
->store
!= NULL
;
1175 void x86_release_func( struct x86_function
*p
)
1177 _mesa_exec_free(p
->store
);
1184 void (*x86_get_func( struct x86_function
*p
))(void)
1186 if (DISASSEM
&& p
->store
)
1187 printf("disassemble %p %p\n", p
->store
, p
->csr
);
1188 return (void (*)(void)) (unsigned long) p
->store
;
1193 void x86sse_dummy( void )
1199 #else /* USE_X86_ASM */
1201 int x86sse_c_dummy_var
; /* silence warning */
1203 #endif /* USE_X86_ASM */