+2018-03-14 Joseph Myers <joseph@codesourcery.com>
+
+ * sysdeps/x86/fpu/bits/mathinline.h [!__GNUC_PREREQ (3, 4)]
+ (lrintf): Remove definitions used only with old GCC.
+ [!__GNUC_PREREQ (3, 4)] (lrint): Likewise.
+ [!__GNUC_PREREQ (3, 4)] (llrintf): Likewise.
+ [!__GNUC_PREREQ (3, 4)] (llrint): Likewise.
+ [!__GNUC_PREREQ (3, 4)] (fmaxf): Likewise.
+ [!__GNUC_PREREQ (3, 4)] (fmax): Likewise.
+ [!__GNUC_PREREQ (3, 4)] (fminf): Likewise.
+ [!__GNUC_PREREQ (3, 4)] (fmin): Likewise.
+ [!__GNUC_PREREQ (3, 4)] (rint): Likewise.
+ [!__GNUC_PREREQ (3, 4)] (rintf): Likewise.
+ [!__GNUC_PREREQ (3, 4)] (nearbyint): Likewise.
+ [!__GNUC_PREREQ (3, 4)] (nearbyintf): Likewise.
+ [!__GNUC_PREREQ (3, 4)] (ceil): Likewise.
+ [!__GNUC_PREREQ (3, 4)] (ceilf): Likewise.
+ [!__GNUC_PREREQ (3, 4)] (floor): Likewise.
+ [!__GNUC_PREREQ (3, 4)] (floorf): Likewise.
+ [__FAST_MATH__ && !__GNUC_PREREQ (3, 5)] (tan): Likewise.
+ [__FAST_MATH__ && !__GNUC_PREREQ (3, 5)] (fmod): Likewise.
+ [__FAST_MATH__ && !__GNUC_PREREQ (3, 4)] (sin): Likewise.
+ [__FAST_MATH__ && !__GNUC_PREREQ (3, 4)] (cos): Likewise.
+ [__FAST_MATH__ && !__GNUC_PREREQ (3, 5)] (log10): Likewise.
+ [__FAST_MATH__ && !__GNUC_PREREQ (3, 5)] (asin): Likewise.
+ [__FAST_MATH__ && !__GNUC_PREREQ (3, 5)] (acos): Likewise.
+ [__FAST_MATH__ && !__GNUC_PREREQ (3, 4)] (atan): Likewise.
+ [__FAST_MATH__ && !__GNUC_PREREQ (3, 5)] (log1p): Likewise.
+ [__FAST_MATH__ && !__GNUC_PREREQ (3, 5)] (logb): Likewise.
+ [__FAST_MATH__ && !__GNUC_PREREQ (3, 5)] (log2): Likewise.
+ [__FAST_MATH__ && !__GNUC_PREREQ (3, 5)] (drem): Likewise.
+ [__FAST_MATH__] (__M_SQRT2): Remove macro.
+
2018-03-14 Siddhesh Poyarekar <siddhesh@sourceware.org>
* sysdeps/aarch64/strncmp.S (strncmp): Use a separate shift
# 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. */
__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__ */
# 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")
__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 }; \
# 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); \
__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))
{
# 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))