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-rw-r--r--sysdeps/powerpc/fpu/e_hypotf.c76
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diff --git a/sysdeps/powerpc/fpu/e_hypotf.c b/sysdeps/powerpc/fpu/e_hypotf.c
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--- a/sysdeps/powerpc/fpu/e_hypotf.c
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-/* Pythagorean addition using floats
- Copyright (C) 2011-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, see <http://www.gnu.org/licenses/>. */
-
-#include <math.h>
-#include <math_private.h>
-#include <stdint.h>
-
-/* __ieee754_hypotf(x,y)
-
- This a FP only version without any FP->INT conversion.
- It is similar to default C version, making appropriates
- overflow and underflows checks as using double precision
- instead of scaling. */
-
-#ifdef _ARCH_PWR7
-/* POWER7 isinf and isnan optimizations are fast. */
-# define TEST_INF_NAN(x, y) \
- if ((isinff(x) || isinff(y)) \
- && !issignaling (x) && !issignaling (y)) \
- return INFINITY; \
- if (isnanf(x) || isnanf(y)) \
- return x + y;
-# else
-/* For POWER6 and below isinf/isnan triggers LHS and PLT calls are
- * costly (especially for POWER6). */
-# define GET_TWO_FLOAT_WORD(f1,f2,i1,i2) \
- do { \
- ieee_float_shape_type gf_u1; \
- ieee_float_shape_type gf_u2; \
- gf_u1.value = (f1); \
- gf_u2.value = (f2); \
- (i1) = gf_u1.word & 0x7fffffff; \
- (i2) = gf_u2.word & 0x7fffffff; \
- } while (0)
-
-# define TEST_INF_NAN(x, y) \
- do { \
- uint32_t hx, hy; \
- GET_TWO_FLOAT_WORD(x, y, hx, hy); \
- if (hy > hx) { \
- uint32_t ht = hx; hx = hy; hy = ht; \
- } \
- if (hx >= 0x7f800000) { \
- if ((hx == 0x7f800000 || hy == 0x7f800000) \
- && !issignaling (x) && !issignaling (y)) \
- return INFINITY; \
- return x + y; \
- } \
- } while (0)
-#endif
-
-
-float
-__ieee754_hypotf (float x, float y)
-{
- TEST_INF_NAN (x, y);
-
- return __ieee754_sqrt ((double) x * x + (double) y * y);
-}
-strong_alias (__ieee754_hypotf, __hypotf_finite)