The patchset is tested OK. Thanks.
On Fri, Jan 10, 2014 at 01:39:39PM +0800, Ruiling Song wrote: > Signed-off-by: Ruiling Song <[email protected]> > --- > backend/src/ocl_stdlib.tmpl.h | 512 > +++++++++++++++++++++++++++++++++++++---- > 1 file changed, 469 insertions(+), 43 deletions(-) > > diff --git a/backend/src/ocl_stdlib.tmpl.h b/backend/src/ocl_stdlib.tmpl.h > index 07a4fd9..959ee55 100755 > --- a/backend/src/ocl_stdlib.tmpl.h > +++ b/backend/src/ocl_stdlib.tmpl.h > @@ -694,6 +694,15 @@ PURE CONST float __gen_ocl_rndz(float x); > PURE CONST float __gen_ocl_rnde(float x); > PURE CONST float __gen_ocl_rndu(float x); > PURE CONST float __gen_ocl_rndd(float x); > +INLINE_OVERLOADABLE float __gen_ocl_internal_floor(float x) { return > __gen_ocl_rndd(x); } > +INLINE_OVERLOADABLE float __gen_ocl_internal_copysign(float x, float y) { > + union { unsigned u; float f; } ux, uy; > + ux.f = x; > + uy.f = y; > + ux.u = (ux.u & 0x7fffffff) | (uy.u & 0x80000000u); > + return ux.f; > +} > + > INLINE_OVERLOADABLE float __gen_ocl_internal_log(float x) { > /* > * Conversion to float by Ian Lance Taylor, Cygnus Support, [email protected] > @@ -894,6 +903,464 @@ INLINE_OVERLOADABLE float __gen_ocl_internal_log2(float > x) { > } > } > > +INLINE float __gen_ocl_scalbnf (float x, int n){ > + /* copy from fdlibm */ > + float two25 = 3.355443200e+07, /* 0x4c000000 */ > + twom25 = 2.9802322388e-08, /* 0x33000000 */ > + huge = 1.0e+30, > + tiny = 1.0e-30; > + int k,ix; > + GEN_OCL_GET_FLOAT_WORD(ix,x); > + k = (ix&0x7f800000)>>23; /* extract exponent */ > + if (k==0) { /* 0 or subnormal x */ > + if ((ix&0x7fffffff)==0) return x; /* +-0 */ > + x *= two25; > + GEN_OCL_GET_FLOAT_WORD(ix,x); > + k = ((ix&0x7f800000)>>23) - 25; > + } > + if (k==0xff) return x+x; /* NaN or Inf */ > + if (n< -50000) > + return tiny*__gen_ocl_internal_copysign(tiny,x); /*underflow*/ > + if (n> 50000 || k+n > 0xfe) > + return huge*__gen_ocl_internal_copysign(huge,x); /* overflow */ > + /* Now k and n are bounded we know that k = k+n does not overflow. */ > + k = k+n; > + if (k > 0) { /* normal result */ > + GEN_OCL_SET_FLOAT_WORD(x,(ix&0x807fffff)|(k<<23)); > + return x; > + } > + if (k <= -25) > + return tiny*__gen_ocl_internal_copysign(tiny,x); /*underflow*/ > + k += 25; /* subnormal result */ > + GEN_OCL_SET_FLOAT_WORD(x,(ix&0x807fffff)|(k<<23)); > + return x*twom25; > +} > + > + > + > +__constant const float PIo2[] = { > + 1.5703125000e+00, /* 0x3fc90000 */ > + 4.5776367188e-04, /* 0x39f00000 */ > + 2.5987625122e-05, /* 0x37da0000 */ > + 7.5437128544e-08, /* 0x33a20000 */ > + 6.0026650317e-11, /* 0x2e840000 */ > + 7.3896444519e-13, /* 0x2b500000 */ > + 5.3845816694e-15, /* 0x27c20000 */ > + 5.6378512969e-18, /* 0x22d00000 */ > + 8.3009228831e-20, /* 0x1fc40000 */ > + 3.2756352257e-22, /* 0x1bc60000 */ > + 6.3331015649e-25, /* 0x17440000 */ > +}; > + > +INLINE int __kernel_rem_pio2f(float *x, float *y, int e0, int nx, int prec, > const __constant int *ipio2) > +{ > + /* copied from fdlibm */ > +const float > +zero = 0.0, > +one = 1.0, > +two8 = 2.5600000000e+02, /* 0x43800000 */ > +twon8 = 3.9062500000e-03; /* 0x3b800000 */ > + > + int init_jk[3]; /* initial value for jk */ > + int jz,jx,jv,jp,jk,carry,n,iq[20],i,j,k,m,q0,ih; > + float z,fw,f[20],fq[20],q[20]; > + init_jk[0] = 4; init_jk[1] = 7; init_jk[2] = 9; > + /* initialize jk*/ > + jk = init_jk[prec]; > + jp = jk; > + > + /* determine jx,jv,q0, note that 3>q0 */ > + jx = nx-1; > + jv = (e0-3)/8; if(jv<0) jv=0; > + q0 = e0-8*(jv+1); > + > + /* set up f[0] to f[jx+jk] where f[jx+jk] = ipio2[jv+jk] */ > + j = jv-jx; m = jx+jk; > + for(i=0;i<=m;i++,j++) f[i] = (j<0)? zero : (float) ipio2[j]; > + > + /* compute q[0],q[1],...q[jk] */ > + for (i=0;i<=jk;i++) { > + for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; q[i] = fw; > + } > + > + jz = jk; > +recompute: > + /* distill q[] into iq[] reversingly */ > + for(i=0,j=jz,z=q[jz];j>0;i++,j--) { > + fw = (float)((int)(twon8* z)); > + iq[i] = (int)(z-two8*fw); > + z = q[j-1]+fw; > + } > + > + /* compute n */ > + z = __gen_ocl_scalbnf(z,q0); /* actual value of z */ > + z -= (float)8.0*__gen_ocl_internal_floor(z*(float)0.125); /* trim off > integer >= 8 */ > + n = (int) z; > + z -= (float)n; > + ih = 0; > + if(q0>0) { /* need iq[jz-1] to determine n */ > + i = (iq[jz-1]>>(8-q0)); n += i; > + iq[jz-1] -= i<<(8-q0); > + ih = iq[jz-1]>>(7-q0); > + } > + else if(q0==0) ih = iq[jz-1]>>8; > + else if(z>=(float)0.5) ih=2; > + > + if(ih>0) { /* q > 0.5 */ > + n += 1; carry = 0; > + for(i=0;i<jz ;i++) { /* compute 1-q */ > + j = iq[i]; > + if(carry==0) { > + if(j!=0) { > + carry = 1; iq[i] = 0x100- j; > + } > + } else iq[i] = 0xff - j; > + } > + if(q0>0) { /* rare case: chance is 1 in 12 */ > + switch(q0) { > + case 1: > + iq[jz-1] &= 0x7f; break; > + case 2: > + iq[jz-1] &= 0x3f; break; > + } > + } > + if(ih==2) { > + z = one - z; > + if(carry!=0) z -= __gen_ocl_scalbnf(one,q0); > + } > + } > + > + /* check if recomputation is needed */ > + if(z==zero) { > + j = 0; > + for (i=jz-1;i>=jk;i--) j |= iq[i]; > + if(j==0) { /* need recomputation */ > + for(k=1;iq[jk-k]==0;k++); /* k = no. of terms needed */ > + > + for(i=jz+1;i<=jz+k;i++) { /* add q[jz+1] to q[jz+k] */ > + f[jx+i] = (float) ipio2[jv+i]; > + for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; > + q[i] = fw; > + } > + jz += k; > + goto recompute; > + } > + } > + > + /* chop off zero terms */ > + if(z==(float)0.0) { > + jz -= 1; q0 -= 8; > + while(iq[jz]==0) { jz--; q0-=8;} > + } else { /* break z into 8-bit if necessary */ > + z = __gen_ocl_scalbnf(z,-q0); > + if(z>=two8) { > + fw = (float)((int)(twon8*z)); > + iq[jz] = (int)(z-two8*fw); > + jz += 1; q0 += 8; > + iq[jz] = (int) fw; > + } else iq[jz] = (int) z ; > + } > + > + /* convert integer "bit" chunk to floating-point value */ > + fw = __gen_ocl_scalbnf(one,q0); > + for(i=jz;i>=0;i--) { > + q[i] = fw*(float)iq[i]; fw*=twon8; > + } > + > + /* compute PIo2[0,...,jp]*q[jz,...,0] */ > + for(i=jz;i>=0;i--) { > + for(fw=0.0,k=0;k<=jp&&k<=jz-i;k++) fw += PIo2[k]*q[i+k]; > + fq[jz-i] = fw; > + } > + > + /* compress fq[] into y[] */ > + switch(prec) { > + case 0: > + fw = 0.0; > + for (i=jz;i>=0;i--) fw += fq[i]; > + y[0] = (ih==0)? fw: -fw; > + break; > + case 1: > + case 2: > + fw = 0.0; > + for (i=jz;i>=0;i--) fw += fq[i]; > + y[0] = (ih==0)? fw: -fw; > + fw = fq[0]-fw; > + for (i=1;i<=jz;i++) fw += fq[i]; > + y[1] = (ih==0)? fw: -fw; > + break; > + case 3: /* painful */ > + for (i=jz;i>0;i--) { > + fw = fq[i-1]+fq[i]; > + fq[i] += fq[i-1]-fw; > + fq[i-1] = fw; > + } > + for (i=jz;i>1;i--) { > + fw = fq[i-1]+fq[i]; > + fq[i] += fq[i-1]-fw; > + fq[i-1] = fw; > + } > + for (fw=0.0,i=jz;i>=2;i--) fw += fq[i]; > + if(ih==0) { > + y[0] = fq[0]; y[1] = fq[1]; y[2] = fw; > + } else { > + y[0] = -fq[0]; y[1] = -fq[1]; y[2] = -fw; > + } > + } > + return n&7; > + > +} > +__constant const int npio2_hw[32] = { > +0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, > +0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, > +0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, > +0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, > +0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, > +0x4242c700, 0x42490f00 > +}; > + > +__constant const int two_over_pi[22*9] = { > +0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, > +0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, > +0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, > +0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, > +0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, > +0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, > +0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, > +0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, > +0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, > +0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, > +0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, > +0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, > +0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, > +0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, > +0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, > +0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, > +0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, > +0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, > +0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, > +0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, > +0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, > +0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, > +}; > + > + > + > +INLINE int __ieee754_rem_pio2f(float x, float *y) { > + /* copied from fdlibm */ > + float z,w,t,r,fn; > + float tx[3]; > + > +const float half_value = 5.0000000e-1; > +const float zero = 0.0000000000; > +const float two8 = 2.5600000000e+02; > +const float invpio2 = 6.3661980629e-01; > +const float pio2_1 = 1.5707855225e+00; > +const float pio2_1t = 1.0804334124e-05; > +const float pio2_2 = 1.0804273188e-05; > +const float pio2_2t = 6.0770999344e-11; > +const float pio2_3 = 6.0770943833e-11; > +const float pio2_3t = 6.1232342629e-17; > + int e0,i,j,nx,n,ix,hx; > + > + GEN_OCL_GET_FLOAT_WORD(hx,x); > + ix = hx&0x7fffffff; > + if(ix<=0x3f490fd8) /* |x| ~<= pi/4 , no need for reduction */ > + {y[0] = x; y[1] = 0; return 0;} > + if(ix<0x4016cbe4) { /* |x| < 3pi/4, special case with n=+-1 */ > + if(hx>0) { > + z = x - pio2_1; > + if((ix&0xfffffff0)!=0x3fc90fd0) { /* 24+24 bit pi OK */ > + y[0] = z - pio2_1t; > + y[1] = (z-y[0])-pio2_1t; > + } else { /* near pi/2, use 24+24+24 bit pi */ > + z -= pio2_2; > + y[0] = z - pio2_2t; > + y[1] = (z-y[0])-pio2_2t; > + } > + return 1; > + } else { /* negative x */ > + z = x + pio2_1; > + if((ix&0xfffffff0)!=0x3fc90fd0) { /* 24+24 bit pi OK */ > + y[0] = z + pio2_1t; > + y[1] = (z-y[0])+pio2_1t; > + } else { /* near pi/2, use 24+24+24 bit pi */ > + z += pio2_2; > + y[0] = z + pio2_2t; > + y[1] = (z-y[0])+pio2_2t; > + } > + return -1; > + } > + } > + if(ix<=0x43490f80) { /* |x| ~<= 2^7*(pi/2), medium size */ > + t = __gen_ocl_fabs(x); > + n = (int) (t*invpio2+half_value); > + fn = (float)n; > + r = t-fn*pio2_1; > + w = fn*pio2_1t; /* 1st round good to 40 bit */ > + if(n<32&&(ix&0xffffff00)!=npio2_hw[n-1]) { > + y[0] = r-w; /* quick check no cancellation */ > + } else { > + uint high; > + j = ix>>23; > + y[0] = r-w; > + GEN_OCL_GET_FLOAT_WORD(high,y[0]); > + i = j-((high>>23)&0xff); > + if(i>8) { /* 2nd iteration needed, good to 57 */ > + t = r; > + w = fn*pio2_2; > + r = t-w; > + w = fn*pio2_2t-((t-r)-w); > + y[0] = r-w; > + GEN_OCL_GET_FLOAT_WORD(high,y[0]); > + i = j-((high>>23)&0xff); > + if(i>25) { /* 3rd iteration need, 74 bits acc */ > + t = r; /* will cover all possible cases */ > + w = fn*pio2_3; > + r = t-w; > + w = fn*pio2_3t-((t-r)-w); > + y[0] = r-w; > + } > + } > + } > + y[1] = (r-y[0])-w; > + if(hx<0) {y[0] = -y[0]; y[1] = -y[1]; return -n;} > + else return n; > + } > + /* > + * all other (large) arguments > + */ > + if(ix>=0x7f800000) { /* x is inf or NaN */ > + y[0]=y[1]=x-x; return 0; > + } > + /* set z = scalbn(|x|,ilogb(x)-7) */ > + e0 = (ix>>23)-134; /* e0 = ilogb(z)-7; */ > + GEN_OCL_SET_FLOAT_WORD(z, ix - ((int)(e0<<23))); > + for(i=0;i<2;i++) { > + tx[i] = (float)((int)(z)); > + z = (z-tx[i])*two8; > + } > + tx[2] = z; > + nx = 3; > + while(tx[nx-1]==zero) nx--; /* skip zero term */ > + n = __kernel_rem_pio2f(tx,y,e0,nx,2,two_over_pi); > + if(hx<0) {y[0] = -y[0]; y[1] = -y[1]; return -n;} > + return n; > +} > + > +INLINE_OVERLOADABLE float __kernel_sinf(float x, float y, int iy) > +{ > + /* copied from fdlibm */ > +const float > +half_value = 5.0000000000e-01,/* 0x3f000000 */ > +S1 = -1.6666667163e-01, /* 0xbe2aaaab */ > +S2 = 8.3333337680e-03, /* 0x3c088889 */ > +S3 = -1.9841270114e-04, /* 0xb9500d01 */ > +S4 = 2.7557314297e-06, /* 0x3638ef1b */ > +S5 = -2.5050759689e-08, /* 0xb2d72f34 */ > +S6 = 1.5896910177e-10; /* 0x2f2ec9d3 */ > + float z,r,v; > + int ix; > + GEN_OCL_GET_FLOAT_WORD(ix,x); > + ix &= 0x7fffffff; /* high word of x */ > + if(ix<0x32000000) /* |x| < 2**-27 */ > + {if((int)x==0) return x;} /* generate inexact */ > + z = x*x; > + v = z*x; > + r = S2+z*(S3+z*(S4+z*(S5+z*S6))); > + if(iy==0) return x+v*(S1+z*r); > + else return x-((z*(half_value*y-v*r)-y)-v*S1); > +} > + > +INLINE float __kernel_cosf(float x, float y) > +{ > + /* copied from fdlibm */ > + const float > + one = 1.0000000000e+00, /* 0x3f800000 */ > + C1 = 4.1666667908e-02, /* 0x3d2aaaab */ > + C2 = -1.3888889225e-03, /* 0xbab60b61 */ > + C3 = 2.4801587642e-05, /* 0x37d00d01 */ > + C4 = -2.7557314297e-07, /* 0xb493f27c */ > + C5 = 2.0875723372e-09, /* 0x310f74f6 */ > + C6 = -1.1359647598e-11; /* 0xad47d74e */ > + const float pio2_hi = 0x1.92p0, pio2_mid = 0x1.fb4p-12, pio2_low = > 0x1.4442d2p-24; > + float a,hz,z,r,qx; > + int ix; > + GEN_OCL_GET_FLOAT_WORD(ix,x); > + ix &= 0x7fffffff; /* ix = |x|'s high word*/ > + if(ix<0x32000000) { /* if x < 2**27 */ > + if(((int)x)==0) return one; /* generate inexact */ > + } > + > + if(x < 0.0f) { x= -x; y = -y; } > + if(ix > 0x3f490fdb) { /* |x|>pi/4*/ > + return -__kernel_sinf(x-pio2_hi-pio2_mid-pio2_low, y, 1); > + } > + z = x*x; > + r = z*(C1+z*(C2+z*(C3+z*(C4+z*(C5+z*C6))))); > + if(ix < 0x3e99999a) /* if |x| < 0.3 */ > + return one - ((float)0.5*z - (z*r - x*y)); > + else { > + GEN_OCL_SET_FLOAT_WORD(qx,ix-0x01000000); /* x/4 */ > + hz = (float)0.5*z-qx; > + a = one-qx; > + return a - (hz - (z*r-x*y)); > + } > +} > + > +INLINE_OVERLOADABLE float sin(float x) { > + /* copied from fdlibm */ > + float y[2],z=0.0; > + int n, ix; > + > + GEN_OCL_GET_FLOAT_WORD(ix,x); > + > + /* |x| ~< pi/4 */ > + ix &= 0x7fffffff; > + if(ix <= 0x3f490fd8) return __kernel_sinf(x,z,0); > + > + /* sin(Inf or NaN) is NaN */ > + else if (ix>=0x7f800000) return x-x; > + > + /* argument reduction needed */ > + else { > + n = __ieee754_rem_pio2f(x,y); > + switch(n&3) { > + case 0: return __kernel_sinf(y[0],y[1],1); > + case 1: return __kernel_cosf(y[0],y[1]); > + case 2: return -__kernel_sinf(y[0],y[1],1); > + default: > + return -__kernel_cosf(y[0],y[1]); > + } > + } > +} > +INLINE_OVERLOADABLE float cos(float x) { > + /* copied from fdlibm */ > + float y[2],z=0.0; > + int n, ix; > + > + GEN_OCL_GET_FLOAT_WORD(ix,x); > + > + /* |x| ~< pi/4 */ > + ix &= 0x7fffffff; > + if(ix <= 0x3f490fd8) return __kernel_cosf(x,z); > + > + /* cos(Inf or NaN) is NaN */ > + else if (ix>=0x7f800000) return x-x; > + > + /* argument reduction needed */ > + else { > + n = __ieee754_rem_pio2f(x,y); > + switch(n&3) { > + case 0: return __kernel_cosf(y[0],y[1]); > + case 1: return -__kernel_sinf(y[0],y[1],1); > + case 2: return -__kernel_cosf(y[0],y[1]); > + default: > + return __kernel_sinf(y[0],y[1],1); > + } > + } > +} > + > INLINE_OVERLOADABLE float hypot(float x, float y) { return > __gen_ocl_sqrt(x*x + y*y); } > INLINE_OVERLOADABLE float native_cos(float x) { return __gen_ocl_cos(x); } > INLINE_OVERLOADABLE float __gen_ocl_internal_cospi(float x) { > @@ -1672,17 +2139,10 @@ INLINE_OVERLOADABLE float native_exp10(float x) { > return __gen_ocl_pow(10, x); } > INLINE_OVERLOADABLE float __gen_ocl_internal_cbrt(float x) { > return __gen_ocl_pow(x, 0.3333333333f); > } > -INLINE_OVERLOADABLE float __gen_ocl_internal_copysign(float x, float y) { > - union { unsigned u; float f; } ux, uy; > - ux.f = x; > - uy.f = y; > - ux.u = (ux.u & 0x7fffffff) | (uy.u & 0x80000000u); > - return ux.f; > -} > > #define BODY \ > - *cosval = native_cos(x); \ > - return native_sin(x); > + *cosval = cos(x); \ > + return sin(x); > INLINE_OVERLOADABLE float sincos(float x, global float *cosval) { BODY; } > INLINE_OVERLOADABLE float sincos(float x, local float *cosval) { BODY; } > INLINE_OVERLOADABLE float sincos(float x, private float *cosval) { BODY; } > @@ -1717,37 +2177,6 @@ INLINE float __gen_ocl_asin_util(float x) { > float w = p / q; > return x + x*w; > } > -float __gen_ocl_scalbnf (float x, int n){ > - float two25 = 3.355443200e+07, /* 0x4c000000 */ > - twom25 = 2.9802322388e-08, /* 0x33000000 */ > - huge = 1.0e+30, > - tiny = 1.0e-30; > - int k,ix; > - GEN_OCL_GET_FLOAT_WORD(ix,x); > - k = (ix&0x7f800000)>>23; /* extract exponent */ > - if (k==0) { /* 0 or subnormal x */ > - if ((ix&0x7fffffff)==0) return x; /* +-0 */ > - x *= two25; > - GEN_OCL_GET_FLOAT_WORD(ix,x); > - k = ((ix&0x7f800000)>>23) - 25; > - } > - if (k==0xff) return x+x; /* NaN or Inf */ > - if (n< -50000) > - return tiny*__gen_ocl_internal_copysign(tiny,x); /*underflow*/ > - if (n> 50000 || k+n > 0xfe) > - return huge*__gen_ocl_internal_copysign(huge,x); /* overflow */ > - /* Now k and n are bounded we know that k = k+n does not overflow. */ > - k = k+n; > - if (k > 0) { /* normal result */ > - GEN_OCL_SET_FLOAT_WORD(x,(ix&0x807fffff)|(k<<23)); > - return x; > - } > - if (k <= -25) > - return tiny*__gen_ocl_internal_copysign(tiny,x); /*underflow*/ > - k += 25; /* subnormal result */ > - GEN_OCL_SET_FLOAT_WORD(x,(ix&0x807fffff)|(k<<23)); > - return x*twom25; > -} > > INLINE_OVERLOADABLE float __gen_ocl_internal_asin(float x) { > uint ix; > @@ -1906,7 +2335,6 @@ INLINE_OVERLOADABLE float > __gen_ocl_internal_round(float x) { > y += __gen_ocl_internal_copysign(1.f, x); > return y; > } > -INLINE_OVERLOADABLE float __gen_ocl_internal_floor(float x) { return > __gen_ocl_rndd(x); } > INLINE_OVERLOADABLE float __gen_ocl_internal_ceil(float x) { return > __gen_ocl_rndu(x); } > INLINE_OVERLOADABLE float powr(float x, float y) { return > __gen_ocl_pow(x,y); } > INLINE_OVERLOADABLE float __gen_ocl_internal_rint(float x) { > @@ -2382,13 +2810,11 @@ INLINE_OVERLOADABLE float > __gen_ocl_internal_atanh(float x) { > } > > // TODO use llvm intrinsics definitions > -#define cos native_cos > #define cospi __gen_ocl_internal_cospi > #define cosh __gen_ocl_internal_cosh > #define acos __gen_ocl_internal_acos > #define acospi __gen_ocl_internal_acospi > #define acosh __gen_ocl_internal_acosh > -#define sin native_sin > #define sinpi __gen_ocl_internal_sinpi > #define sinh __gen_ocl_internal_sinh > #define asin __gen_ocl_internal_asin > -- > 1.7.9.5 > > _______________________________________________ > Beignet mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/beignet _______________________________________________ Beignet mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/beignet
