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The first patch adds special cases needed for 32-bit targets =0A= (FIX_INT_FP_CONVERT_ZERO and FIX_DBL_LONG_CONVERT_OVERFLOW) to the=0A= wordsize-64 versions. This has no effect on 64-bit targets since they don't= define=0A= these macros.=0A= =0A= ---=0A= =0A= diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c b/sysdeps/ieee754= /dbl-64/wordsize-64/e_log10.c=0A= index 0b4116e0a843e0c925b08501a028d15e8daa64ae..b89064fb7c41dd857d216b911ae= b3935605c6d38 100644=0A= --- a/sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c=0A= +++ b/sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c=0A= @@ -44,6 +44,7 @@=0A= */=0A= =0A= #include =0A= +#include =0A= #include =0A= #include =0A= #include =0A= @@ -80,6 +81,8 @@ __ieee754_log10 (double x)=0A= i =3D ((uint64_t) k & UINT64_C(0x8000000000000000)) >> 63;=0A= hx =3D (hx & UINT64_C(0x000fffffffffffff)) | ((0x3ff - i) << 52);=0A= y =3D (double) (k + i);=0A= + if (FIX_INT_FP_CONVERT_ZERO && y =3D=3D 0.0)=0A= + y =3D 0.0;=0A= INSERT_WORDS64 (x, hx);=0A= z =3D y * log10_2lo + ivln10 * __ieee754_log (x);=0A= return z + y * log10_2hi;=0A= diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_getpayload.c b/sysdeps/ie= ee754/dbl-64/wordsize-64/s_getpayload.c=0A= index eba96d0c771a84ccae9bfc99200d8a4c0c3ea14f..d541f0f1b6b00ed78d2ec6f0508= 6f5c053841f2b 100644=0A= --- a/sysdeps/ieee754/dbl-64/wordsize-64/s_getpayload.c=0A= +++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_getpayload.c=0A= @@ -1,4 +1,4 @@=0A= -/* Get NaN payload. dbl-64/wordsize-64 version.=0A= +/* Get NaN payload.=0A= Copyright (C) 2016-2020 Free Software Foundation, Inc.=0A= This file is part of the GNU C Library.=0A= =0A= @@ -20,6 +20,7 @@=0A= #include =0A= #include =0A= #include =0A= +#include =0A= =0A= double=0A= __getpayload (const double *x)=0A= @@ -30,6 +31,8 @@ __getpayload (const double *x)=0A= || (ix & 0xfffffffffffffULL) =3D=3D 0)=0A= return -1;=0A= ix &=3D 0x7ffffffffffffULL;=0A= + if (FIX_INT_FP_CONVERT_ZERO && ix =3D=3D 0)=0A= + return 0.0f;=0A= return (double) ix;=0A= }=0A= libm_alias_double (__getpayload, getpayload)=0A= diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_llround.c b/sysdeps/ieee7= 54/dbl-64/wordsize-64/s_llround.c=0A= index a91099f0d5e129f511cd7eeb219a9b763b96874f..1d9c6c5b1676920c951fdb56cf1= 33bfc64195405 100644=0A= --- a/sysdeps/ieee754/dbl-64/wordsize-64/s_llround.c=0A= +++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_llround.c=0A= @@ -20,12 +20,14 @@=0A= #define lround __hidden_lround=0A= #define __lround __hidden___lround=0A= =0A= +#include =0A= +#include =0A= #include =0A= #include =0A= =0A= #include =0A= #include =0A= -=0A= +#include =0A= =0A= long long int=0A= __llround (double x)=0A= @@ -56,8 +58,16 @@ __llround (double x)=0A= }=0A= else=0A= {=0A= - /* The number is too large. It is left implementation defined=0A= - what happens. */=0A= +#ifdef FE_INVALID=0A= + /* The number is too large. Unless it rounds to LLONG_MIN,=0A= + FE_INVALID must be raised and the return value is=0A= + unspecified. */=0A= + if (FIX_DBL_LLONG_CONVERT_OVERFLOW && x !=3D (double) LLONG_MIN)=0A= + {=0A= + feraiseexcept (FE_INVALID);=0A= + return sign =3D=3D 1 ? LLONG_MAX : LLONG_MIN;=0A= + }=0A= +#endif=0A= return (long long int) x;=0A= }=0A= =0A= diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_lround.c b/sysdeps/ieee75= 4/dbl-64/wordsize-64/s_lround.c=0A= index 787a7c201dd607584c64af416b9a7447dccc8c38..c0cebe57b798c910f2f3cdc02e8= 6cbecb14285a3 100644=0A= --- a/sysdeps/ieee754/dbl-64/wordsize-64/s_lround.c=0A= +++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_lround.c=0A= @@ -22,6 +22,7 @@=0A= =0A= #include =0A= #include =0A= +#include =0A= =0A= /* For LP64, lround is an alias for llround. */=0A= #ifndef _LP64=0A= @@ -66,7 +67,17 @@ __lround (double x)=0A= FE_INVALID must be raised and the return value is=0A= unspecified. */=0A= #ifdef FE_INVALID=0A= - if (sizeof (long int) =3D=3D 4=0A= + if (FIX_DBL_LONG_CONVERT_OVERFLOW=0A= + && !(sign =3D=3D -1=0A= + && (sizeof (long int) =3D=3D 4=0A= + ? x > (double) LONG_MIN - 0.5=0A= + : x >=3D (double) LONG_MIN)))=0A= + {=0A= + feraiseexcept (FE_INVALID);=0A= + return sign =3D=3D 1 ? LONG_MAX : LONG_MIN;=0A= + }=0A= + else if (!FIX_DBL_LONG_CONVERT_OVERFLOW=0A= + && sizeof (long int) =3D=3D 4=0A= && x <=3D (double) LONG_MIN - 0.5)=0A= {=0A= /* If truncation produces LONG_MIN, the cast will not raise=0A= diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_roundeven.c b/sysdeps/iee= e754/dbl-64/wordsize-64/s_roundeven.c=0A= index 47dca5f00043e1890d86552446f2bdb2324da8b2..f6b592a368199679fb078d54577= 1219ac794f46c 100644=0A= --- a/sysdeps/ieee754/dbl-64/wordsize-64/s_roundeven.c=0A= +++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_roundeven.c=0A= @@ -1,5 +1,4 @@=0A= /* Round to nearest integer value, rounding halfway cases to even.=0A= - dbl-64/wordsize-64 version.=0A= Copyright (C) 2016-2020 Free Software Foundation, Inc.=0A= This file is part of the GNU C Library.=0A= =0A= diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_setpayload_main.c b/sysde= ps/ieee754/dbl-64/wordsize-64/s_setpayload_main.c=0A= index 4240c4c54c8e6a33af4968f68bb5cb4672e509ce..dda177c5ee7a7a53878c7db575e= 288d9a021870b 100644=0A= --- a/sysdeps/ieee754/dbl-64/wordsize-64/s_setpayload_main.c=0A= +++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_setpayload_main.c=0A= @@ -1,4 +1,4 @@=0A= -/* Set NaN payload. dbl-64/wordsize-64 version.=0A= +/* Set NaN payload.=0A= Copyright (C) 2016-2020 Free Software Foundation, Inc.=0A= This file is part of the GNU C Library.=0A= =0A= diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_totalorder.c b/sysdeps/ie= ee754/dbl-64/wordsize-64/s_totalorder.c=0A= index 6f7020a96e8c3857da30c7e434c7bbf8dc0ebb91..acc629a00ffbcb8ebcadc38caad= fe46d3d8189b8 100644=0A= --- a/sysdeps/ieee754/dbl-64/wordsize-64/s_totalorder.c=0A= +++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_totalorder.c=0A= @@ -1,4 +1,4 @@=0A= -/* Total order operation. dbl-64/wordsize-64 version.=0A= +/* Total order operation.=0A= Copyright (C) 2016-2020 Free Software Foundation, Inc.=0A= This file is part of the GNU C Library.=0A= =0A= diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_totalordermag.c b/sysdeps= /ieee754/dbl-64/wordsize-64/s_totalordermag.c=0A= index a5b0d417a9660cf448bd68fb13a0e216ff91ab2f..a60cf57129d80c50e6e8608dc25= 2db68106cc47d 100644=0A= --- a/sysdeps/ieee754/dbl-64/wordsize-64/s_totalordermag.c=0A= +++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_totalordermag.c=0A= @@ -1,4 +1,4 @@=0A= -/* Total order operation on absolute values. dbl-64/wordsize-64 version.= =0A= +/* Total order operation on absolute values.=0A= Copyright (C) 2016-2020 Free Software Foundation, Inc.=0A= This file is part of the GNU C Library.=0A= =0A=