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Searched refs:exp (Results 1 – 25 of 50) sorted by relevance

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/arch/powerpc/kernel/
Dvecemu.c41 int exp, pwr; in eexp2() local
45 exp = ((s >> 23) & 0xff) - 127; in eexp2()
46 if (exp > 7) { in eexp2()
48 if (exp == 128 && (s & 0x7fffff) != 0) in eexp2()
53 if (exp < -23) in eexp2()
58 if (exp > 0) in eexp2()
59 pwr <<= exp; in eexp2()
61 pwr >>= -exp; in eexp2()
66 exp = (pwr >> 23) + 126; in eexp2()
67 if (exp >= 254) in eexp2()
[all …]
Dsyscalls.c82 ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct __kernel_old_… in ppc_select() argument
91 || __get_user(exp, ((fd_set __user * __user *)(buffer+3))) in ppc_select()
95 return sys_select(n, inp, outp, exp, tvp); in ppc_select()
/arch/m68k/math-emu/
Dfp_arith.c20 .exp = 0x7fff,
26 .exp = 0x7fff,
95 if ((diff = dest->exp - src->exp) > 0) in fp_fadd()
154 int exp; in fp_fmul() local
181 dest->exp = 0; in fp_fmul()
188 exp = dest->exp + src->exp - 0x3ffe; in fp_fmul()
194 exp -= fp_overnormalize(dest); in fp_fmul()
196 exp -= fp_overnormalize(src); in fp_fmul()
204 exp--; in fp_fmul()
209 if (exp >= 0x7fff) { in fp_fmul()
[all …]
Dfp_log.c22 .exp = 0x3fff,
32 int i, exp; in fp_fsqrt() local
60 exp = dest->exp; in fp_fsqrt()
61 dest->exp = 0x3FFF; in fp_fsqrt()
62 if (!(exp & 1)) /* lowest bit of exponent is set */ in fp_fsqrt()
63 dest->exp++; in fp_fsqrt()
74 dest->exp--; /* * 1/2 */ in fp_fsqrt()
93 dest->exp--; in fp_fsqrt()
96 dest->exp += (exp - 0x3FFF) / 2; in fp_fsqrt()
195 fp_conv_long2ext(dest, (int)dest->exp - 0x3FFF); in fp_fgetexp()
[all …]
Dfp_emu.h48 #define IS_INF(a) ((a)->exp == 0x7fff)
104 dest->exp = 0x7fff; \
Dfp_util.S107 move.l %d1,(%a0)+ | set sign / exp
140 9: move.l %d1,(%a0)+ | fp_ext.sign, fp_ext.exp
178 9: move.l %d1,(%a0)+ | fp_ext.sign, fp_ext.exp
/arch/sh/kernel/cpu/sh2a/
Dfpu.c98 int exp, w; in denormal_mulf() local
105 exp = (iy & 0x7f800000) >> 23; in denormal_mulf()
114 exp += w - 126 - 46; in denormal_mulf()
115 if (exp > 0) in denormal_mulf()
116 ix = ((int) (m >> (w - 23)) & 0x007fffff) | (exp << 23); in denormal_mulf()
117 else if (exp + 22 >= 0) in denormal_mulf()
118 ix = (int) (m >> (w - 22 - exp)) & 0x007fffff; in denormal_mulf()
165 int exp, w; in denormal_muld() local
172 exp = (iy & 0x7ff0000000000000LL) >> 52; in denormal_muld()
186 exp += w - 1022 - 52 * 2; in denormal_muld()
[all …]
/arch/x86/math-emu/
Dreg_ld_str.c39 static u_char normalize_no_excep(FPU_REG *r, int exp, int sign) in normalize_no_excep() argument
43 setexponent16(r, exp); in normalize_no_excep()
55 int exp; in FPU_tagof() local
57 exp = exponent16(ptr) & 0x7fff; in FPU_tagof()
58 if (exp == 0) { in FPU_tagof()
66 if (exp == 0x7fff) { in FPU_tagof()
97 int exp, tag, negative; in FPU_load_double() local
107 exp = ((m64 & 0x7ff00000) >> 20) - DOUBLE_Ebias + EXTENDED_Ebias; in FPU_load_double()
109 if (exp > DOUBLE_Emax + EXTENDED_Ebias) { in FPU_load_double()
115 exp = EXP_Infinity + EXTENDED_Ebias; in FPU_load_double()
[all …]
Dfpu_emu.h121 short exp; member
172 *(short *)&(y->exp) = *(const short *)&(x->exp); in reg_copy()
176 #define exponent(x) (((*(short *)&((x)->exp)) & 0x7fff) - EXTENDED_Ebias)
177 #define setexponentpos(x,y) { (*(short *)&((x)->exp)) = \
179 #define exponent16(x) (*(short *)&((x)->exp))
180 #define setexponent16(x,y) { (*(short *)&((x)->exp)) = (u16)(y); }
181 #define addexponent(x,y) { (*(short *)&((x)->exp)) += (y); }
182 #define stdexp(x) { (*(short *)&((x)->exp)) += EXTENDED_Ebias; }
Dpoly.h88 static inline void add_two_Xsig(Xsig *dest, const Xsig *x2, long int *exp) in add_two_Xsig() argument
98 "0: xorl %%eax,%%eax;\n" "1:\n":"=g" (*exp), "=g"(*dest) in add_two_Xsig()
99 :"g"(dest), "g"(x2), "g"(exp) in add_two_Xsig()
Dfpu_tags.c64 int exp = exponent(ptr); in FPU_Special() local
66 if (exp == EXP_BIAS + EXP_UNDER) in FPU_Special()
68 else if (exp != EXP_BIAS + EXP_OVER) in FPU_Special()
/arch/parisc/math-emu/
Dcnv_float.h95 #define Dbl_to_sgl_denormalized(srcA,srcB,exp,dest,inexact,guard,sticky,odd,tiny) \ argument
98 if (exp >= -2) { \
99 if (exp == 0) { \
143 inexact = Dallp2(srcB) << (2 + exp); \
147 if (exp == -2) dest = Dallp1(srcA); \
148 else Variable_shift_double(Dallp1(srcA),Dallp2(srcB),30-exp,dest); \
154 if (exp > (1 - SGL_P)) { \
155 dest = Dallp1(srcA) >> (- 2 - exp); \
156 inexact = Dallp1(srcA) << (34 + exp); \
165 if (exp == (1 - SGL_P)) { \
[all …]
/arch/m68k/fpsp040/
Dsgetem.S19 | Output: The functions return exp(X) or man(X) in fp0.
52 fmovew %d0,%fp0 |move the exp to fp0
58 bsr nrm_set |normalize (exp will go negative)
61 fmovew %d0,%fp0 |move the exp to fp0
81 movew LOCAL_EX(%a0),%d0 |get the exp (really just want sign bit)
82 orw #0x7fff,%d0 |clear old exp
83 bclrl #14,%d0 |make it the new exp +-3fff
84 movew %d0,LOCAL_EX(%a0) |move the sign & exp back to fsave stack
Dsint.S27 | 1. If exp(X) >= 63, return X.
28 | If exp(X) < 0, return +/- 0 or +/- 1, according to
31 | 2. (X is in range) set rsc = 63 - exp(X). Unnormalize the
144 cmpw #0x403e,LOCAL_EX(%a0) |check if (unbiased) exp > 63
145 bgts out_rnge |branch if exp < 63
146 cmpw #0x3ffd,LOCAL_EX(%a0) |check if (unbiased) exp < 0
147 bgt in_rnge |if 63 >= exp > 0, do calc
201 fmovex LOCAL_EX(%a0),%fp0 |if exp > 63
Ddecbin.S50 | A4. Calculate the factor 10^exp in FP1 using a table of
454 movel %d1,%d0 |copy exp to d0;use d0
455 bpls no_neg |if exp is negative,
471 | Check the sign of the adjusted exp and make the value in fp0 the
472 | same sign. If the exp was pos then multiply fp1*fp0;
479 | ( ) fp1: scaling factor - 10**(abs(exp))
485 fdivx %fp1,%fp0 |exp is negative, so divide mant by exp
488 fmulx %fp1,%fp0 |exp is positive, so multiply by exp
Dx_store.S118 | extended -> |s| exp | |1| ms mant | | ls mant |
126 | double -> |s|exp| mant | | mant |
138 lsll #4,%d0 |d0 now in proper place for dbl prec exp
151 movel %d0,LOCAL_EX(%a1) |put the new exp back on the stack
157 movel %d0,LOCAL_EX(%a1) |put the new exp back on the stack
Dscosh.S26 | y = |X|, z = exp(Y), and
33 | cosh(X) = sign(X) * exp(|X|)/2.
34 | However, invoking exp(|X|) may cause premature overflow.
Dsetox.S6 | number. setoxm1 computes exp(X)-1, and setoxm1d computes
7 | exp(X)-1 for denormalized X.
16 | exp(X) or exp(X)-1 returned in floating-point register fp0.
127 | Step 4. Approximate exp(R)-1 by a polynomial
133 | |p - (exp(R)-1)| < 2^(-68.8) for all |R| <= 0.0062.
141 | Step 5. Compute 2^(J/64)*exp(R) = 2^(J/64)*(1+p) by
152 | Step 6. Reconstruction of exp(X)
153 | exp(X) = 2^M * 2^(J/64) * exp(R).
159 | |M| <= 16380, and Scale = 2^M. Moreover, exp(X) will
163 | Hence, exp(X) may overflow or underflow or neither.
[all …]
Dround.S220 addw #0x1,LOCAL_EX(%a0) |and inc exp
306 cmpw #64,%d0 |see if exp > 64
308 bsr nrm_set |exp > 64 so exp won't exceed 0
330 lsrl %d5,%d6 |by the number in the exp, then
331 | ;set exp = 0.
333 movel #0,%d0 |same as if decremented exp to 0
346 bsr nrm_set |else exp won't go past 0
390 subw %d7,%d0 |subtract shift count from exp
393 movel %d1,LOCAL_HI(%a0) |store exp
442 subw LOCAL_EX(%a0),%d0 |diff = threshold - exp
[all …]
Dres_func.S71 bsr nrm_set |normalize number (exp will go negative)
705 bfextu ETEMP_EX(%a6){#1:#15},%d0 |get src exp (always pos)
706 bfexts FPTEMP_EX(%a6){#1:#15},%d1 |get dest exp (always neg)
744 bfextu FPTEMP_EX(%a6){#1:#15},%d0 |get dest exp (always pos)
745 bfexts ETEMP_EX(%a6){#1:#15},%d1 |get src exp (always neg)
809 bfextu ETEMP_EX(%a6){#1:#15},%d0 |get src exp (always pos)
810 bfexts FPTEMP_EX(%a6){#1:#15},%d1 |get dest exp (always neg)
818 bfextu FPTEMP_EX(%a6){#1:#15},%d0 |get dest exp (always pos)
819 bfexts ETEMP_EX(%a6){#1:#15},%d1 |get src exp (always neg)
984 bfextu ETEMP_EX(%a6){#1:#15},%d0 |get src exp (always pos)
[all …]
/arch/powerpc/lib/
Dtest_emulate_step.c1349 #define gpr_mismatch(gprn, exp, got) \ argument
1351 gprn, exp, got)
1353 #define reg_mismatch(name, exp, got) \ argument
1355 name, exp, got)
1361 struct pt_regs *regs, exp, got; in run_tests_compute() local
1383 memcpy(&exp, regs, sizeof(struct pt_regs)); in run_tests_compute()
1390 exp.msr = MSR_KERNEL; in run_tests_compute()
1398 } else if (rc || execute_compute_instr(&exp, instr)) { in run_tests_compute()
1406 if (!ignore_gpr && exp.gpr[k] != got.gpr[k]) { in run_tests_compute()
1408 gpr_mismatch(k, exp.gpr[k], got.gpr[k]); in run_tests_compute()
[all …]
/arch/ia64/include/asm/
Dbitops.h381 long exp; in ia64_fls() local
383 exp = ia64_getf_exp(d); in ia64_fls()
384 return exp - 0xffff; in ia64_fls()
/arch/alpha/kernel/
Dtraps.c651 unsigned long exp; in s_mem_to_reg() local
653 exp = (exp_msb << 10) | exp_low; /* common case */ in s_mem_to_reg()
656 exp = 0x7ff; in s_mem_to_reg()
660 exp = 0x000; in s_mem_to_reg()
662 exp |= (0x7 << 7); in s_mem_to_reg()
665 return (sign << 63) | (exp << 52) | (frac << 29); in s_mem_to_reg()
/arch/powerpc/perf/
Disa207-common.c142 unsigned int cmp, exp; in is_thresh_cmp_valid() local
153 exp = cmp >> 7; in is_thresh_cmp_valid()
155 if (exp && (cmp & 0x60) == 0) in is_thresh_cmp_valid()
245 u64 exp = MMCRA_THR_CTR_EXP(mmcra); in isa207_get_mem_weight() local
256 *weight = mantissa << (2 * exp); in isa207_get_mem_weight()
/arch/x86/platform/uv/
Duv_time.c178 u64 exp = head->cpu[c].expires; in uv_rtc_find_next_timer() local
179 if (exp < lowest) { in uv_rtc_find_next_timer()
181 lowest = exp; in uv_rtc_find_next_timer()

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