diff options
Diffstat (limited to 'sysdeps/x86/fpu')
| -rw-r--r-- | sysdeps/x86/fpu/bits/mathinline.h | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/sysdeps/x86/fpu/bits/mathinline.h b/sysdeps/x86/fpu/bits/mathinline.h index aed2a8febb..061f62ef62 100644 --- a/sysdeps/x86/fpu/bits/mathinline.h +++ b/sysdeps/x86/fpu/bits/mathinline.h @@ -26,219 +26,6 @@ # define __MATH_INLINE __extern_always_inline #endif -/* The gcc, version 2.7 or below, has problems with all this inlining - code. So disable it for this version of the compiler. */ -#if __GNUC_PREREQ (2, 8) -# if !__GNUC_PREREQ (3, 4) && !defined __NO_MATH_INLINES \ - && defined __OPTIMIZE__ -/* GCC 3.4 introduced builtins for all functions below, so - there's no need to define any of these inline functions. */ - -# ifdef __USE_ISOC99 - -/* Round to nearest integer. */ -# ifdef __SSE_MATH__ -__MATH_INLINE long int -__NTH (lrintf (float __x)) -{ - long int __res; - /* Mark as volatile since the result is dependent on the state of - the SSE control register (the rounding mode). Otherwise GCC might - remove these assembler instructions since it does not know about - the rounding mode change and cannot currently be told. */ - __asm __volatile__ ("cvtss2si %1, %0" : "=r" (__res) : "xm" (__x)); - return __res; -} -# endif -# ifdef __SSE2_MATH__ -__MATH_INLINE long int -__NTH (lrint (double __x)) -{ - long int __res; - /* Mark as volatile since the result is dependent on the state of - the SSE control register (the rounding mode). Otherwise GCC might - remove these assembler instructions since it does not know about - the rounding mode change and cannot currently be told. */ - __asm __volatile__ ("cvtsd2si %1, %0" : "=r" (__res) : "xm" (__x)); - return __res; -} -# endif -# ifdef __x86_64__ -__extension__ -__MATH_INLINE long long int -__NTH (llrintf (float __x)) -{ - long long int __res; - /* Mark as volatile since the result is dependent on the state of - the SSE control register (the rounding mode). Otherwise GCC might - remove these assembler instructions since it does not know about - the rounding mode change and cannot currently be told. */ - __asm __volatile__ ("cvtss2si %1, %0" : "=r" (__res) : "xm" (__x)); - return __res; -} -__extension__ -__MATH_INLINE long long int -__NTH (llrint (double __x)) -{ - long long int __res; - /* Mark as volatile since the result is dependent on the state of - the SSE control register (the rounding mode). Otherwise GCC might - remove these assembler instructions since it does not know about - the rounding mode change and cannot currently be told. */ - __asm __volatile__ ("cvtsd2si %1, %0" : "=r" (__res) : "xm" (__x)); - return __res; -} -# endif - -# if defined __FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0 \ - && defined __SSE2_MATH__ -/* Determine maximum of two values. */ -__MATH_INLINE float -__NTH (fmaxf (float __x, float __y)) -{ -# ifdef __AVX__ - float __res; - __asm ("vmaxss %2, %1, %0" : "=x" (__res) : "x" (x), "xm" (__y)); - return __res; -# else - __asm ("maxss %1, %0" : "+x" (__x) : "xm" (__y)); - return __x; -# endif -} -__MATH_INLINE double -__NTH (fmax (double __x, double __y)) -{ -# ifdef __AVX__ - float __res; - __asm ("vmaxsd %2, %1, %0" : "=x" (__res) : "x" (x), "xm" (__y)); - return __res; -# else - __asm ("maxsd %1, %0" : "+x" (__x) : "xm" (__y)); - return __x; -# endif -} - -/* Determine minimum of two values. */ -__MATH_INLINE float -__NTH (fminf (float __x, float __y)) -{ -# ifdef __AVX__ - float __res; - __asm ("vminss %2, %1, %0" : "=x" (__res) : "x" (x), "xm" (__y)); - return __res; -# else - __asm ("minss %1, %0" : "+x" (__x) : "xm" (__y)); - return __x; -# endif -} -__MATH_INLINE double -__NTH (fmin (double __x, double __y)) -{ -# ifdef __AVX__ - float __res; - __asm ("vminsd %2, %1, %0" : "=x" (__res) : "x" (x), "xm" (__y)); - return __res; -# else - __asm ("minsd %1, %0" : "+x" (__x) : "xm" (__y)); - return __x; -# endif -} -# endif - -# endif - -# if defined __SSE4_1__ && defined __SSE2_MATH__ -# if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99 - -/* Round to nearest integer. */ -__MATH_INLINE double -__NTH (rint (double __x)) -{ - double __res; - /* Mark as volatile since the result is dependent on the state of - the SSE control register (the rounding mode). Otherwise GCC might - remove these assembler instructions since it does not know about - the rounding mode change and cannot currently be told. */ - __asm __volatile__ ("roundsd $4, %1, %0" : "=x" (__res) : "xm" (__x)); - return __res; -} -__MATH_INLINE float -__NTH (rintf (float __x)) -{ - float __res; - /* Mark as volatile since the result is dependent on the state of - the SSE control register (the rounding mode). Otherwise GCC might - remove these assembler instructions since it does not know about - the rounding mode change and cannot currently be told. */ - __asm __volatile__ ("roundss $4, %1, %0" : "=x" (__res) : "xm" (__x)); - return __res; -} - -# ifdef __USE_ISOC99 -/* Round to nearest integer without raising inexact exception. */ -__MATH_INLINE double -__NTH (nearbyint (double __x)) -{ - double __res; - /* Mark as volatile since the result is dependent on the state of - the SSE control register (the rounding mode). Otherwise GCC might - remove these assembler instructions since it does not know about - the rounding mode change and cannot currently be told. */ - __asm __volatile__ ("roundsd $0xc, %1, %0" : "=x" (__res) : "xm" (__x)); - return __res; -} -__MATH_INLINE float -__NTH (nearbyintf (float __x)) -{ - float __res; - /* Mark as volatile since the result is dependent on the state of - the SSE control register (the rounding mode). Otherwise GCC might - remove these assembler instructions since it does not know about - the rounding mode change and cannot currently be told. */ - __asm __volatile__ ("roundss $0xc, %1, %0" : "=x" (__res) : "xm" (__x)); - return __res; -} -# endif - -# endif - -/* Smallest integral value not less than X. */ -__MATH_INLINE double -__NTH (ceil (double __x)) -{ - double __res; - __asm ("roundsd $2, %1, %0" : "=x" (__res) : "xm" (__x)); - return __res; -} - -__MATH_INLINE float -__NTH (ceilf (float __x)) -{ - float __res; - __asm ("roundss $2, %1, %0" : "=x" (__res) : "xm" (__x)); - return __res; -} - -/* Largest integer not greater than X. */ -__MATH_INLINE double -__NTH (floor (double __x)) -{ - double __res; - __asm ("roundsd $1, %1, %0" : "=x" (__res) : "xm" (__x)); - return __res; -} - -__MATH_INLINE float -__NTH (floorf (float __x)) -{ - float __res; - __asm ("roundss $1, %1, %0" : "=x" (__res) : "xm" (__x)); - return __res; -} -# endif -# endif -#endif - /* Disable x87 inlines when -fpmath=sse is passed and also when we're building on x86_64. Older gcc (gcc-3.2 for example) does not define __SSE2_MATH__ for x86_64. */ @@ -486,17 +273,6 @@ __inline_mathcodeNP_ (long double, __expl, __x, return __builtin_expl (__x)) __inline_mathcodeNP (exp, __x, __exp_code) __inline_mathcodeNP_ (long double, __expl, __x, __exp_code) # endif - - -# if !__GNUC_PREREQ (3, 5) -__inline_mathcodeNP (tan, __x, \ - register long double __value; \ - register long double __value2 __attribute__ ((__unused__)); \ - __asm __volatile__ \ - ("fptan" \ - : "=t" (__value2), "=u" (__value) : "0" (__x)); \ - return __value) -# endif # endif /* __FAST_MATH__ */ @@ -517,19 +293,6 @@ __inline_mathcodeNP2_ (long double, __atan2l, __y, __x, __atan2_code) # endif -# if defined __FAST_MATH__ && !__GNUC_PREREQ (3, 5) -__inline_mathcodeNP2 (fmod, __x, __y, \ - register long double __value; \ - __asm __volatile__ \ - ("1: fprem\n\t" \ - "fnstsw %%ax\n\t" \ - "sahf\n\t" \ - "jp 1b" \ - : "=t" (__value) : "0" (__x), "u" (__y) : "ax", "cc"); \ - return __value) -# endif - - # ifdef __FAST_MATH__ # if !__GNUC_PREREQ (3,3) __inline_mathopNP (sqrt, "fsqrt") @@ -552,28 +315,6 @@ __inline_mathop (fabs, "fabs") __inline_mathop_ (long double, __fabsl, "fabs") # endif -# ifdef __FAST_MATH__ -# if !__GNUC_PREREQ (3, 4) -/* The argument range of this inline version is reduced. */ -__inline_mathopNP (sin, "fsin") -/* The argument range of this inline version is reduced. */ -__inline_mathopNP (cos, "fcos") - -__inline_mathop_declNP (log, "fldln2; fxch; fyl2x", "0" (__x) : "st(1)") -# endif - -# if !__GNUC_PREREQ (3, 5) -__inline_mathop_declNP (log10, "fldlg2; fxch; fyl2x", "0" (__x) : "st(1)") - -__inline_mathcodeNP (asin, __x, return __atan2l (__x, __libc_sqrtl (1.0 - __x * __x))) -__inline_mathcodeNP (acos, __x, return __atan2l (__libc_sqrtl (1.0 - __x * __x), __x)) -# endif - -# if !__GNUC_PREREQ (3, 4) -__inline_mathop_declNP (atan, "fld1; fpatan", "0" (__x) : "st(1)") -# endif -# endif /* __FAST_MATH__ */ - __inline_mathcode_ (long double, __sgn1l, __x, \ __extension__ union { long double __xld; unsigned int __xi[3]; } __n = \ { __xld: __x }; \ @@ -656,25 +397,6 @@ __NTH (ldexp (double __x, int __y)) # ifdef __FAST_MATH__ __inline_mathcodeNP (expm1, __x, __expm1_code) -/* We cannot rely on M_SQRT being defined. So we do it for ourself - here. */ -# define __M_SQRT2 1.41421356237309504880L /* sqrt(2) */ - -# if !__GNUC_PREREQ (3, 5) -__inline_mathcodeNP (log1p, __x, \ - register long double __value; \ - if (__fabsl (__x) >= 1.0 - 0.5 * __M_SQRT2) \ - __value = logl (1.0 + __x); \ - else \ - __asm __volatile__ \ - ("fldln2\n\t" \ - "fxch\n\t" \ - "fyl2xp1" \ - : "=t" (__value) : "0" (__x) : "st(1)"); \ - return __value) -# endif - - /* The argument range of the inline version of asinhl is slightly reduced. */ __inline_mathcodeNP (asinh, __x, \ register long double __y = __fabsl (__x); \ @@ -692,26 +414,12 @@ __inline_mathcodeNP (atanh, __x, \ __inline_mathcodeNP2 (hypot, __x, __y, return __libc_sqrtl (__x * __x + __y * __y)) -# if !__GNUC_PREREQ (3, 5) -__inline_mathcodeNP(logb, __x, \ - register long double __value; \ - register long double __junk; \ - __asm __volatile__ \ - ("fxtract\n\t" \ - : "=t" (__junk), "=u" (__value) : "0" (__x)); \ - return __value) -# endif - # endif # endif # ifdef __USE_ISOC99 # ifdef __FAST_MATH__ -# if !__GNUC_PREREQ (3, 5) -__inline_mathop_declNP (log2, "fld1; fxch; fyl2x", "0" (__x) : "st(1)") -# endif - __MATH_INLINE float __NTH (ldexpf (float __x, int __y)) { @@ -781,20 +489,6 @@ __NTH (llrintl (long double __x)) # ifdef __USE_MISC -# if defined __FAST_MATH__ && !__GNUC_PREREQ (3, 5) -__inline_mathcodeNP2 (drem, __x, __y, \ - register double __value; \ - register int __clobbered; \ - __asm __volatile__ \ - ("1: fprem1\n\t" \ - "fstsw %%ax\n\t" \ - "sahf\n\t" \ - "jp 1b" \ - : "=t" (__value), "=&a" (__clobbered) : "0" (__x), "u" (__y) : "cc"); \ - return __value) -# endif - - /* This function is used in the `isfinite' macro. */ __MATH_INLINE int __NTH (__finite (double __x)) |