sse3dnow.h

基于Blas CLapck的.用过的人知道是干啥的

#define gen_vec_mr(op,mem,reg) \
        __asm__ __volatile__ (#op " %0, " #reg \
                              :  /* nothing */ \
                              : "m" (((mem)[0])), "m" (((mem)[1])))


#define gen_vec_rm(op,reg,mem) \
        __asm__ __volatile__ (#op " " #reg ", %0" \
                              : "=m" (((mem)[0])), "=m" (((mem)[1])) \
                              :  /* nothing */ )                          




#define VECLEN 2

#define reg0 %%xmm0
#define reg1 %%xmm1
#define reg2 %%xmm2
#define reg3 %%xmm3
#define reg4 %%xmm4
#define reg5 %%xmm5
#define reg6 %%xmm6
#define reg7 %%xmm7
#ifdef ATL_GAS_x8664
   #define reg8 %%xmm8
   #define reg9 %%xmm9
   #define reg10 %%xmm10
   #define reg11 %%xmm11
   #define reg12 %%xmm12
   #define reg13 %%xmm13
   #define reg14 %%xmm14
   #define reg15 %%xmm15
#endif


#define vec_mov_mr(mem,reg)     gen_vec_mr(movupd,mem,reg)
#define vec_mov_rm(reg,mem)     gen_vec_rm(movupd,reg,mem)
#define vec_mov_mr_a(mem,reg)   gen_vec_mr(movapd,mem,reg)
#define vec_mov_rm_a(reg,mem)   gen_vec_rm(movapd,reg,mem)
#define vec_mov_rr(reg1,reg2)   gen_vec_rr(movapd,reg1,reg2)

#define vec_add_mr_a(mem,reg)   gen_vec_mr(addpd,mem,reg)
#define vec_mul_mr_a(mem,reg)   gen_vec_mr(mulpd,mem,reg)

#define vec_add_rr(mem,reg)     gen_vec_rr(addpd,mem,reg)
#define vec_mul_rr(mem,reg)     gen_vec_rr(mulpd,mem,reg)

#define vec_mov_mr_1(mem,reg)   gen_vec_mr(movsd,mem,reg)
#define vec_mov_rm_1(reg,mem)   gen_vec_rm(movsd,reg,mem)
#define vec_mov_rr_1(reg1,reg2) gen_vec_rr(movsd,reg1,reg2)

#define vec_add_mr_1(mem,reg)   gen_vec_mr(addsd,mem,reg)
#define vec_add_rr_1(reg1,reg2) gen_vec_rr(addsd,reg1,reg2)

#define vec_mul_mr_1(mem,reg)   gen_vec_mr(mulsd,mem,reg)
#define vec_mul_rr_1(reg1,reg2) gen_vec_rr(mulsd,reg1,reg2)

#define vec_splat(mem,reg)      vec_splat_wrap(mem,reg)
#define vec_splat_wrap(mem,reg) \
        __asm__ __volatile__ ("movsd %0, " #reg "\n"\
			      "unpcklpd " #reg ", " #reg \
			      : /* nothing */ \
                              : "m" ((mem)[0]))

/* Hack! */
/* To use this instruction be sure that register 7 is not in use!!! */
#define vec_sum(reg) vec_sum_wrap(reg)
#define vec_sum_wrap(reg) \
        __asm__ __volatile__ ("movhlps " #reg ", %%xmm7\n"\
    			      "addpd %%xmm7, " #reg "\n"\
			      : /* nothing */\
			      : /* nothing */) 
/* 
 * Added by RCW to improve performance and avoid xmm7 hack (replace vec_sum)
 */
#define vec_zero(vd) __asm__ __volatile__("xorps " Mstr(vd) ", " Mstr(vd) ::)
#ifdef ATL_SSE3
   #define vec_red(vr, vwrk) \
      __asm__ __volatile__("haddpd " Mstr(vr) ", " Mstr(vr) "\n" ::)
   #define vec_red2(v0, v1, vw) \
      __asm__ __volatile__("haddpd " Mstr(v1) ", " Mstr(v0) "\n" ::)
   #define vec_red4(v0, v1, v2, v3, w0, w1) \
      __asm__ __volatile__("haddpd " Mstr(v1) ", " Mstr(v0) "\n"\
                           "haddpd " Mstr(v3) ", " Mstr(v2) "\n"\
                           ::)
#else
   #define vec_red(vr, vwrk) \
      __asm__ __volatile__ ("pshufd $0xEE, " Mstr(vr) ", " Mstr(vwrk) "\n"\
                            "addsd " Mstr(vwrk) ", " Mstr(vr) "\n" ::)
/*
 * movapd v0, vw        # vw = {v0b, v0a}
 * unpcklpd v1,v0      # v0 = {v1a, v0a}
 * unpckhpd v1, vw     # vw = {v1b, v0b}
 * addpd     vw, v0     # v0 = {v1ab,v0ab}
 */
   #define vec_red2(v0, v1, vw) \
      __asm__ __volatile__("movapd " Mstr(v0) ", " Mstr(vw) "\n"\
                           "unpcklpd " Mstr(v1) ", " Mstr(v0) "\n"\
                           "unpckhpd " Mstr(v1) ", " Mstr(vw) "\n"\
                           "addpd " Mstr(vw) ", " Mstr(v0) "\n"\
                           ::)
/*
 * movapd   v0, w0      # w0 = {v0b, v0a}
 * movapd   v2, w1      # w1 = {v2b, v2a}
 * unpcklpd v1, v0      # v0 = {v1a, v0a}
 * unpcklpd v3, v2      # v2 = {v3a, v2a}
 * unpckhpd v1, w0      # w0 = {v1b, v0b}
 * unpckhpd v3, w1      # w1 = {v3b, v2b}
 * addpd    w0, v0      # v0 = {v1ab, v0ab}
 * addpd    w1, v2      # v2 = {v3ab, v2ab}
 */
   #define vec_red4(v0, v1, v2, v3, w0, w1) \
      __asm__ __volatile__("movapd " Mstr(v0) ", " Mstr(w0) "\n"\
                           "movapd " Mstr(v2) ", " Mstr(w1) "\n"\
                           "unpcklpd " Mstr(v1) ", " Mstr(v0) "\n"\
                           "unpcklpd " Mstr(v3) ", " Mstr(v2) "\n"\
                           "unpckhpd " Mstr(v1) ", " Mstr(w0) "\n"\
                           "unpckhpd " Mstr(v3) ", " Mstr(w1) "\n"\
                           "addpd " Mstr(w0) ", " Mstr(v0) "\n"\
                           "addpd " Mstr(w1) ", " Mstr(v2) "\n"\
                           ::)
#endif

#define vec_sum_full(reg1,reg2,empty1) vec_sum_full_wrap(reg1,reg2,empty1)
#define vec_sum_full_wrap(reg1,reg2,empty1) \
        __asm__ __volatile__ ("movhlps " #reg2 ", " #empty1 "\n"\
                              "movlhps " #reg2 ", " #empty1 "\n"\
    			      "addpd " #empty1 ", " #reg1 "\n"\
			      : /* nothing */\
			      : /* nothing */) 

     
typedef double vector[VECLEN];

#endif  /* end ifdef SSE2 */


#ifdef THREEDNOW

/* Peculiarities of 3DNOW. Alignment is not an issue,
 * all alignments are legal, however alignment gives a speed increase.
 * The vec_acc instruction can be used to sum to registers at once more efficiently
 * than a series of vec_sum and vec_store_one
 * No muladd.
 */


#define gen_vec_mr(op,mem,reg) \
        __asm__ __volatile__ (#op " %0, " #reg \
                              :  /* nothing */ \
                              : "m" (((mem)[0])), "m" (((mem)[1])))

#define gen_vec_rm(op,reg,mem) \
        __asm__ __volatile__ (#op " " #reg ", %0" \
                              : "=m" (((mem)[0])), "=m" (((mem)[1])) \
			      :  /* nothing */ )                            




#define VECLEN 2

#define reg0 %%mm0
#define reg1 %%mm1
#define reg2 %%mm2
#define reg3 %%mm3
#define reg4 %%mm4
#define reg5 %%mm5
#define reg6 %%mm6
#define reg7 %%mm7

#define vec_add_mr(mem,reg)     gen_vec_mr(pfadd,mem,reg)
#define vec_mul_mr(mem,reg)     gen_vec_mr(pfmul,mem,reg)
#define vec_mov_mr(mem,reg)     gen_vec_mr(movq,mem,reg)
#define vec_mov_rm(reg,mem)     gen_vec_rm(movq,reg,mem)
#define vec_add_rr(reg1,reg2)   gen_vec_rr(pfadd,reg1,reg2)
#define vec_mul_rr(reg1,reg2)   gen_vec_rr(pfmul,reg1,reg2)
#define vec_acc_rr(reg1,reg2)   gen_vec_rr(pfacc,reg1,reg2)
#define vec_mov_rr(reg1,reg2)   gen_vec_rr(movq,reg1,reg2)

#define vec_sum(reg)            gen_vec_rr(pfacc,reg,reg)
#define vec_sum_full(reg1,reg2)  gen_vec_rr(pfacc,reg1,reg2)

#define vec_mov_mr_1(mem,reg)   gen_vec_mr(movd,mem,reg)
#define vec_mov_rm_1(reg,mem)   gen_vec_rm(movd,reg,mem)
#define vec_mov_rr_1(reg1,reg2) gen_vec_rr(movd,reg1,reg2)

#define vec_add_rr_1(reg1,reg2) gen_vec_rr(pfadd,reg1,reg2)
#define vec_mul_rr_1(reg1,reg2) gen_vec_rr(pfmul,reg1,reg2)


#define vec_splat(mem,reg)      vec_splat_wrap(mem,reg)
#define vec_splat_wrap(mem,reg) \
        __asm__ __volatile__ ("movd %0, " #reg "\n"\
			      "punpckldq " #reg ", " #reg \
			      : /* nothing */ \
                              : "m" ((mem)[0]))


#define vec_load_apart(mem1,mem2,reg) vec_load_apart_wrap(mem1,mem2,reg)
#define vec_load_apart_wrap(mem1,mem2,reg) \
        __asm__ __volatile__ ("movd %0, " #reg "\n"\
			      "punpckldq %1, " #reg \
			      : /* nothing */ \
                              : "m" ((mem1)[0]), "m" (((mem2)[0])))


#define vec_zero(reg)           gen_vec_rr(pxor,reg,reg)     

#define vec_enter()             __asm__ __volatile__ ("femms")
#define vec_exit()              __asm__ __volatile__ ("femms")

#define align()                 __asm__ __volatile__ (".align 16")


typedef float vector[VECLEN];

#endif





#ifdef ALTIVEC

#define VECLEN 4

#define reg0 %%vr0
#define reg1 %%vr1
#define reg2 %%vr2
#define reg3 %%vr3
#define reg4 %%vr4
#define reg5 %%vr5
#define reg6 %%vr6
#define reg7 %%vr7
#define reg8 %%vr8
#define reg9 %%vr9
#define reg10 %%vr10
#define reg11 %%vr11
#define reg12 %%vr12
#define reg13 %%vr13
#define reg14 %%vr14
#define reg15 %%vr15
#define reg16 %%vr16
#define reg17 %%vr17
#define reg18 %%vr18
#define reg19 %%vr19
#define reg20 %%vr20
#define reg21 %%vr21
#define reg22 %%vr22
#define reg23 %%vr23
#define reg24 %%vr24
#define reg25 %%vr25
#define reg26 %%vr26
#define reg27 %%vr27
#define reg28 %%vr28
#define reg29 %%vr29
#define reg30 %%vr30
#define reg31 %%vr31

#define gen_vec_mr(op,mem,reg) \
        __asm__ __volatile__ (#op " %0, " #reg \
                              :  /* nothing */ \
                              : "m" (((mem)[0])), "m" (((mem)[1])), "m" (((mem)[2])), "m" (((mem)[3])))


#define gen_vec_rm(op,reg,mem) \
        __asm__ __volatile__ (#op " " #reg ", %0" \
                              : "=m" (((mem)[0])), "=m" (((mem)[1])), "=m" (((mem)[2])), "=m" (((mem)[3])) \
                              :  /* nothing */ )                          


#define gen_alti3(op,reg1,reg2,regout) \
        __asm__ __volatile__ (#op " " #reg1 ", " #reg2 ", " #regout \
                              :  /* nothing */ \
                              : /* nothing */)

#define gen_alti_muladd(op,reg1,reg2,regout) \
        __asm__ __volatile__ (#op " " #reg1 ", " #reg2 ", " #regout ", " #regout \
                              :  /* nothing */ \
                              : /* nothing */)



#define vec_mov_mr_a(mem,reg) gen_vec_mr(lvx,mem,reg)
#define vec_mov_rm_a(reg,mem) gen_vec_rm(svx,reg,mem)
#define vec_muladd(reg1,reg2,regout) gen_alti3(vmaddfp,reg1,reg2,regout)

#define vec_zero(reg) gen_alti3(vxor,reg,reg,reg)


typedef float vector[VECLEN];

#endif


#ifdef ALTIVEC_C

/* These macros have been written by, or greatly inspired by,
 *  Nicholas A. Coult . Thanks.
 */

/* assumes that last four registers are not in use! */
#define transpose(x0,x1,x2,x3) \
reg28 = vec_mergeh(x0,x2); \
reg29 = vec_mergeh(x1,x3); \
reg30 = vec_mergel(x0,x2); \
reg31 = vec_mergel(x1,x3); \
x0 = vec_mergeh(reg28,reg29); \
x1 = vec_mergel(reg28,reg29); \
x2 = vec_mergeh(reg30,reg31); \
x3 = vec_mergel(reg30,reg31)

#define vec_mov_rm(v, where) \
low = vec_ld(0, (where)); \
high = vec_ld(16, (where)); \
p_vector = vec_lvsr(0, (int *)(where)); \
mask  = vec_perm((vector unsigned char)(0), (vector unsigned char)(-1), p_vector); \
v = vec_perm(v, v, p_vector); \
low = vec_sel(low,  v, mask); \
high = vec_sel(v, high, mask); \
vec_st(low,  0, (where)); \
vec_st(high, 16, (where))

#define vec_mov_mr_a(mem,reg)  reg = vec_ld(0, mem) 

#define vec_mov_mr(u,v) \
p_vector = (vector unsigned char)vec_lvsl(0, (int*)(v)); \
low = (vector unsigned char)vec_ld(0, (v)); \
high = (vector unsigned char)vec_ld(16, (v)); \
u=(vector float)vec_perm(low, high, p_vector)

#define vec_muladd(reg1,reg2,regout) regout = vec_madd(reg1,reg2,regout)
#define vec_add_rr(reg1,reg2)        reg2 = vec_add(reg1,reg2)

#define vec_zero(reg)                reg = vec_xor(reg,reg)

#define vec_sum_full(reg0,reg1,reg2,reg3,regout,empty0,empty1) \
transpose(reg0, reg1,reg2,reg3,regout,empty0,empty1); \
empty0 = vec_add(reg0,reg1); \
empty1 = vec_add(reg2,reg3); \
regout = vec_add(empty0,empty1)


#endif /* ALTIVEC_C */