diff options
Diffstat (limited to 'stdlib')
36 files changed, 660 insertions, 1946 deletions
diff --git a/stdlib/Makefile b/stdlib/Makefile index 513445b..e4f3b4e 100644 --- a/stdlib/Makefile +++ b/stdlib/Makefile @@ -37,6 +37,7 @@ headers := \ bits/time64.h \ bits/timesize.h \ bits/types/error_t.h \ + bits/types/once_flag.h \ bits/wordsize.h \ errno.h \ fmtmsg.h \ @@ -96,6 +97,7 @@ routines := \ mblen \ mbstowcs \ mbtowc \ + memalignment \ mrand48 \ mrand48_r \ nrand48 \ @@ -211,6 +213,9 @@ routines := \ strtoull_l \ swapcontext \ system \ + uabs \ + ulabs \ + ullabs \ wcstombs \ wctomb \ xpg_basename \ @@ -275,6 +280,7 @@ tests := \ tst-canon-bz26341 \ tst-concurrent-exit \ tst-concurrent-quick_exit \ + tst-const \ tst-cxa_atexit \ tst-environ \ tst-environ-change-1 \ @@ -295,6 +301,7 @@ tests := \ tst-makecontext-align \ tst-makecontext2 \ tst-makecontext3 \ + tst-memalignment \ tst-on_exit \ tst-qsort \ tst-qsort2 \ @@ -363,12 +370,22 @@ tests := \ tst-swapcontext2 \ tst-thread-quick_exit \ tst-tininess \ + tst-uabs \ + tst-ulabs \ + tst-ullabs \ + tst-umaxabs \ tst-unsetenv1 \ tst-width \ tst-width-stdint \ tst-xpg-basename \ # tests +ifeq ($(have-GLIBC_2.42)$(build-shared),yesyes) +tests += \ + tst-uimaxabs \ + # tests +endif + tests-internal := \ tst-qsort4 \ tst-strtod1i \ @@ -412,6 +429,12 @@ CFLAGS-tst-abs.c += -fno-builtin CFLAGS-tst-labs.c += -fno-builtin CFLAGS-tst-llabs.c += -fno-builtin +CFLAGS-tst-uabs.c += -fno-builtin +CFLAGS-tst-uimaxabs.c += -fno-builtin +CFLAGS-tst-ulabs.c += -fno-builtin +CFLAGS-tst-ullabs.c += -fno-builtin +CFLAGS-tst-umaxabs.c += -fno-builtin + CFLAGS-tst-stdbit-Wconversion.c += -Wconversion -Werror CFLAGS-tst-stdc_trailing_zeros.c += -fno-builtin CFLAGS-tst-stdc_trailing_ones.c += -fno-builtin @@ -428,6 +451,8 @@ CFLAGS-tst-stdc_bit_width.c += -fno-builtin CFLAGS-tst-stdc_bit_floor.c += -fno-builtin CFLAGS-tst-stdc_bit_ceil.c += -fno-builtin +CFLAGS-tst-memalignment.c += -fno-builtin + ifeq ($(have-cxx-thread_local),yes) CFLAGS-tst-quick_exit.o = -std=c++11 LDLIBS-tst-quick_exit = -lstdc++ @@ -469,14 +494,12 @@ mpn-routines := \ rshift \ sub_n \ submul_1 \ - udiv_qrnnd \ # mpn-routines mpn-headers = \ asm-syntax.h \ gmp-impl.h \ gmp-mparam.h \ gmp.h \ - longlong.h \ # mpn-headers routines := \ @@ -489,7 +512,6 @@ routines := \ # routines aux += \ fpioconst \ - mp_clz_tab \ # aux tests-extras += \ @@ -521,18 +543,6 @@ CFLAGS-strfromd.c += $(libio-mtsafe) CFLAGS-strfromf.c += $(libio-mtsafe) CFLAGS-strfroml.c += $(libio-mtsafe) -CFLAGS-strtol.c += $(config-cflags-wno-ignored-attributes) -CFLAGS-strtoul.c += $(config-cflags-wno-ignored-attributes) -CFLAGS-strtoll.c += $(config-cflags-wno-ignored-attributes) -CFLAGS-strtoull.c += $(config-cflags-wno-ignored-attributes) -CFLAGS-strtof.c += $(config-cflags-wno-ignored-attributes) -CFLAGS-strtof_l.c += $(config-cflags-wno-ignored-attributes) -CFLAGS-strtod.c += $(config-cflags-wno-ignored-attributes) -CFLAGS-strtod_l.c += $(config-cflags-wno-ignored-attributes) -CFLAGS-strtold.c += $(config-cflags-wno-ignored-attributes) -CFLAGS-strtold_l.c += $(config-cflags-wno-ignored-attributes) -CFLAGS-secure-getenv.c += $(config-cflags-wno-ignored-attributes) - CFLAGS-tst-bsearch.c += $(stack-align-test-flags) CFLAGS-tst-qsort.c += $(stack-align-test-flags) CFLAGS-tst-makecontext.c += -funwind-tables @@ -654,7 +664,6 @@ $(objpfx)tst-setcontext3.out: tst-setcontext3.sh $(objpfx)tst-setcontext3 $(common-objpfx)stdlib/; \ $(evaluate-test) -$(objpfx)tst-qsort5: $(libm) $(objpfx)tst-concurrent-exit: $(shared-thread-library) $(objpfx)tst-concurrent-quick_exit: $(shared-thread-library) $(objpfx)tst-getrandom2: $(shared-thread-library) diff --git a/stdlib/Versions b/stdlib/Versions index ea2265b..7e52590 100644 --- a/stdlib/Versions +++ b/stdlib/Versions @@ -223,6 +223,16 @@ libc { stdc_bit_ceil_ul; stdc_bit_ceil_ull; } + GLIBC_2.42 { + uabs; + uimaxabs; + ulabs; + ullabs; + } + GLIBC_2.43 { + memalignment; + umaxabs; + } GLIBC_PRIVATE { # functions which have an additional interface since they are # are cancelable. diff --git a/stdlib/abort.c b/stdlib/abort.c index caa9e6d..904244a 100644 --- a/stdlib/abort.c +++ b/stdlib/abort.c @@ -19,6 +19,7 @@ #include <internal-signals.h> #include <libc-lock.h> #include <pthreadP.h> +#include <string.h> #include <unistd.h> /* Try to get a machine dependent instruction which will make the @@ -42,7 +43,10 @@ __libc_rwlock_define_initialized (static, lock); void __abort_fork_reset_child (void) { - __libc_rwlock_init (lock); + /* Reinitialize lock without calling pthread_rwlock_init, to + avoid a valgrind DRD false positive. */ + __libc_rwlock_define_initialized (, reset_lock); + memcpy (&lock, &reset_lock, sizeof (lock)); } void diff --git a/stdlib/addmul_1.c b/stdlib/addmul_1.c index 52411c3..95b4c60 100644 --- a/stdlib/addmul_1.c +++ b/stdlib/addmul_1.c @@ -23,7 +23,6 @@ along with the GNU MP Library; see the file COPYING.LIB. If not, see #include <gmp.h> #include "gmp-impl.h" -#include "longlong.h" mp_limb_t mpn_addmul_1 (register mp_ptr res_ptr, register mp_srcptr s1_ptr, diff --git a/stdlib/divmod_1.c b/stdlib/divmod_1.c index f503042..7d833df 100644 --- a/stdlib/divmod_1.c +++ b/stdlib/divmod_1.c @@ -25,8 +25,8 @@ along with the GNU MP Library; see the file COPYING.LIB. If not, see <https://www.gnu.org/licenses/>. */ #include <gmp.h> +#include <stdbit.h> #include "gmp-impl.h" -#include "longlong.h" #ifndef UMUL_TIME #define UMUL_TIME 1 @@ -62,9 +62,7 @@ mpn_divmod_1 (mp_ptr quot_ptr, if (UDIV_TIME > (2 * UMUL_TIME + 6) && (UDIV_TIME - (2 * UMUL_TIME + 6)) * dividend_size > UDIV_TIME) { - int normalization_steps; - - count_leading_zeros (normalization_steps, divisor_limb); + int normalization_steps = stdc_leading_zeros (divisor_limb); if (normalization_steps != 0) { mp_limb_t divisor_limb_inverted; @@ -144,9 +142,7 @@ mpn_divmod_1 (mp_ptr quot_ptr, { if (UDIV_NEEDS_NORMALIZATION) { - int normalization_steps; - - count_leading_zeros (normalization_steps, divisor_limb); + int normalization_steps = stdc_leading_zeros (divisor_limb); if (normalization_steps != 0) { divisor_limb <<= normalization_steps; diff --git a/stdlib/divrem.c b/stdlib/divrem.c index 889fe3d..9f54c33 100644 --- a/stdlib/divrem.c +++ b/stdlib/divrem.c @@ -21,7 +21,6 @@ along with the GNU MP Library; see the file COPYING.LIB. If not, see #include <gmp.h> #include "gmp-impl.h" -#include "longlong.h" /* Divide num (NP/NSIZE) by den (DP/DSIZE) and write the NSIZE-DSIZE least significant quotient limbs at QP diff --git a/stdlib/gmp-impl.h b/stdlib/gmp-impl.h index dea739c..3da6d05 100644 --- a/stdlib/gmp-impl.h +++ b/stdlib/gmp-impl.h @@ -298,6 +298,8 @@ typedef unsigned int UHWtype; #define impn_sqr_n_basecase __MPN(impn_sqr_n_basecase) #define impn_sqr_n __MPN(impn_sqr_n) +#include <gmp-arch.h> + #ifndef _PROTO #if defined (__STDC__) || defined (__cplusplus) #define _PROTO(x) x diff --git a/stdlib/inttypes.h b/stdlib/inttypes.h index 95324f0..13cb7fa 100644 --- a/stdlib/inttypes.h +++ b/stdlib/inttypes.h @@ -23,6 +23,11 @@ #define _INTTYPES_H 1 #include <features.h> + +#if __GLIBC_USE (ISOC23) +# define __STDC_VERSION_INTTYPES_H__ 202311L +#endif + /* Get the type definitions. */ #include <stdint.h> @@ -51,97 +56,97 @@ typedef wchar_t __gwchar_t; /* Macros for printing format specifiers. */ /* Decimal notation. */ -# define PRId8 "d" -# define PRId16 "d" +# define PRId8 "hhd" +# define PRId16 "hd" # define PRId32 "d" # define PRId64 __PRI64_PREFIX "d" -# define PRIdLEAST8 "d" -# define PRIdLEAST16 "d" +# define PRIdLEAST8 "hhd" +# define PRIdLEAST16 "hd" # define PRIdLEAST32 "d" # define PRIdLEAST64 __PRI64_PREFIX "d" -# define PRIdFAST8 "d" +# define PRIdFAST8 "hhd" # define PRIdFAST16 __PRIPTR_PREFIX "d" # define PRIdFAST32 __PRIPTR_PREFIX "d" # define PRIdFAST64 __PRI64_PREFIX "d" -# define PRIi8 "i" -# define PRIi16 "i" +# define PRIi8 "hhi" +# define PRIi16 "hi" # define PRIi32 "i" # define PRIi64 __PRI64_PREFIX "i" -# define PRIiLEAST8 "i" -# define PRIiLEAST16 "i" +# define PRIiLEAST8 "hhi" +# define PRIiLEAST16 "hi" # define PRIiLEAST32 "i" # define PRIiLEAST64 __PRI64_PREFIX "i" -# define PRIiFAST8 "i" +# define PRIiFAST8 "hhi" # define PRIiFAST16 __PRIPTR_PREFIX "i" # define PRIiFAST32 __PRIPTR_PREFIX "i" # define PRIiFAST64 __PRI64_PREFIX "i" /* Octal notation. */ -# define PRIo8 "o" -# define PRIo16 "o" +# define PRIo8 "hho" +# define PRIo16 "ho" # define PRIo32 "o" # define PRIo64 __PRI64_PREFIX "o" -# define PRIoLEAST8 "o" -# define PRIoLEAST16 "o" +# define PRIoLEAST8 "hho" +# define PRIoLEAST16 "ho" # define PRIoLEAST32 "o" # define PRIoLEAST64 __PRI64_PREFIX "o" -# define PRIoFAST8 "o" +# define PRIoFAST8 "hho" # define PRIoFAST16 __PRIPTR_PREFIX "o" # define PRIoFAST32 __PRIPTR_PREFIX "o" # define PRIoFAST64 __PRI64_PREFIX "o" /* Unsigned integers. */ -# define PRIu8 "u" -# define PRIu16 "u" +# define PRIu8 "hhu" +# define PRIu16 "hu" # define PRIu32 "u" # define PRIu64 __PRI64_PREFIX "u" -# define PRIuLEAST8 "u" -# define PRIuLEAST16 "u" +# define PRIuLEAST8 "hhu" +# define PRIuLEAST16 "hu" # define PRIuLEAST32 "u" # define PRIuLEAST64 __PRI64_PREFIX "u" -# define PRIuFAST8 "u" +# define PRIuFAST8 "hhu" # define PRIuFAST16 __PRIPTR_PREFIX "u" # define PRIuFAST32 __PRIPTR_PREFIX "u" # define PRIuFAST64 __PRI64_PREFIX "u" /* lowercase hexadecimal notation. */ -# define PRIx8 "x" -# define PRIx16 "x" +# define PRIx8 "hhx" +# define PRIx16 "hx" # define PRIx32 "x" # define PRIx64 __PRI64_PREFIX "x" -# define PRIxLEAST8 "x" -# define PRIxLEAST16 "x" +# define PRIxLEAST8 "hhx" +# define PRIxLEAST16 "hx" # define PRIxLEAST32 "x" # define PRIxLEAST64 __PRI64_PREFIX "x" -# define PRIxFAST8 "x" +# define PRIxFAST8 "hhx" # define PRIxFAST16 __PRIPTR_PREFIX "x" # define PRIxFAST32 __PRIPTR_PREFIX "x" # define PRIxFAST64 __PRI64_PREFIX "x" /* UPPERCASE hexadecimal notation. */ -# define PRIX8 "X" -# define PRIX16 "X" +# define PRIX8 "hhX" +# define PRIX16 "hX" # define PRIX32 "X" # define PRIX64 __PRI64_PREFIX "X" -# define PRIXLEAST8 "X" -# define PRIXLEAST16 "X" +# define PRIXLEAST8 "hhX" +# define PRIXLEAST16 "hX" # define PRIXLEAST32 "X" # define PRIXLEAST64 __PRI64_PREFIX "X" -# define PRIXFAST8 "X" +# define PRIXFAST8 "hhX" # define PRIXFAST16 __PRIPTR_PREFIX "X" # define PRIXFAST32 __PRIPTR_PREFIX "X" # define PRIXFAST64 __PRI64_PREFIX "X" @@ -166,17 +171,17 @@ typedef wchar_t __gwchar_t; /* Binary notation. */ # if __GLIBC_USE (ISOC23) -# define PRIb8 "b" -# define PRIb16 "b" +# define PRIb8 "hhb" +# define PRIb16 "hb" # define PRIb32 "b" # define PRIb64 __PRI64_PREFIX "b" -# define PRIbLEAST8 "b" -# define PRIbLEAST16 "b" +# define PRIbLEAST8 "hhb" +# define PRIbLEAST16 "hb" # define PRIbLEAST32 "b" # define PRIbLEAST64 __PRI64_PREFIX "b" -# define PRIbFAST8 "b" +# define PRIbFAST8 "hhb" # define PRIbFAST16 __PRIPTR_PREFIX "b" # define PRIbFAST32 __PRIPTR_PREFIX "b" # define PRIbFAST64 __PRI64_PREFIX "b" @@ -184,17 +189,17 @@ typedef wchar_t __gwchar_t; # define PRIbMAX __PRI64_PREFIX "b" # define PRIbPTR __PRIPTR_PREFIX "b" -# define PRIB8 "B" -# define PRIB16 "B" +# define PRIB8 "hhB" +# define PRIB16 "hB" # define PRIB32 "B" # define PRIB64 __PRI64_PREFIX "B" -# define PRIBLEAST8 "B" -# define PRIBLEAST16 "B" +# define PRIBLEAST8 "hhB" +# define PRIBLEAST16 "hB" # define PRIBLEAST32 "B" # define PRIBLEAST64 __PRI64_PREFIX "B" -# define PRIBFAST8 "B" +# define PRIBFAST8 "hhB" # define PRIBFAST16 __PRIPTR_PREFIX "B" # define PRIBFAST32 __PRIPTR_PREFIX "B" # define PRIBFAST64 __PRI64_PREFIX "B" @@ -350,6 +355,11 @@ typedef struct /* Compute absolute value of N. */ extern intmax_t imaxabs (intmax_t __n) __THROW __attribute__ ((__const__)); + +#if __GLIBC_USE (ISOC2Y) +extern uintmax_t umaxabs (intmax_t __n) __THROW __attribute__ ((__const__)); +#endif + /* Return the `imaxdiv_t' representation of the value of NUMER over DENOM. */ extern imaxdiv_t imaxdiv (intmax_t __numer, intmax_t __denom) __THROW __attribute__ ((__const__)); diff --git a/stdlib/longlong.h b/stdlib/longlong.h deleted file mode 100644 index 4549f0a..0000000 --- a/stdlib/longlong.h +++ /dev/null @@ -1,1786 +0,0 @@ -/* longlong.h -- definitions for mixed size 32/64 bit arithmetic. - Copyright (C) 1991-2025 Free Software Foundation, Inc. - - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - In addition to the permissions in the GNU Lesser General Public - License, the Free Software Foundation gives you unlimited - permission to link the compiled version of this file into - combinations with other programs, and to distribute those - combinations without any restriction coming from the use of this - file. (The Lesser General Public License restrictions do apply in - other respects; for example, they cover modification of the file, - and distribution when not linked into a combine executable.) - - 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <https://www.gnu.org/licenses/>. */ - -/* You have to define the following before including this file: - - UWtype -- An unsigned type, default type for operations (typically a "word") - UHWtype -- An unsigned type, at least half the size of UWtype. - UDWtype -- An unsigned type, at least twice as large a UWtype - W_TYPE_SIZE -- size in bits of UWtype - - UQItype -- Unsigned 8 bit type. - SItype, USItype -- Signed and unsigned 32 bit types. - DItype, UDItype -- Signed and unsigned 64 bit types. - - On a 32 bit machine UWtype should typically be USItype; - on a 64 bit machine, UWtype should typically be UDItype. */ - -#define __BITS4 (W_TYPE_SIZE / 4) -#define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2)) -#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1)) -#define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2)) - -#ifndef W_TYPE_SIZE -#define W_TYPE_SIZE 32 -#define UWtype USItype -#define UHWtype USItype -#define UDWtype UDItype -#endif - -/* Used in glibc only. */ -#ifndef attribute_hidden -#define attribute_hidden -#endif - -extern const UQItype __clz_tab[256] attribute_hidden; - -/* Define auxiliary asm macros. - - 1) umul_ppmm(high_prod, low_prod, multiplier, multiplicand) multiplies two - UWtype integers MULTIPLIER and MULTIPLICAND, and generates a two UWtype - word product in HIGH_PROD and LOW_PROD. - - 2) __umulsidi3(a,b) multiplies two UWtype integers A and B, and returns a - UDWtype product. This is just a variant of umul_ppmm. - - 3) udiv_qrnnd(quotient, remainder, high_numerator, low_numerator, - denominator) divides a UDWtype, composed by the UWtype integers - HIGH_NUMERATOR and LOW_NUMERATOR, by DENOMINATOR and places the quotient - in QUOTIENT and the remainder in REMAINDER. HIGH_NUMERATOR must be less - than DENOMINATOR for correct operation. If, in addition, the most - significant bit of DENOMINATOR must be 1, then the pre-processor symbol - UDIV_NEEDS_NORMALIZATION is defined to 1. - - 4) sdiv_qrnnd(quotient, remainder, high_numerator, low_numerator, - denominator). Like udiv_qrnnd but the numbers are signed. The quotient - is rounded towards 0. - - 5) count_leading_zeros(count, x) counts the number of zero-bits from the - msb to the first nonzero bit in the UWtype X. This is the number of - steps X needs to be shifted left to set the msb. Undefined for X == 0, - unless the symbol COUNT_LEADING_ZEROS_0 is defined to some value. - - 6) count_trailing_zeros(count, x) like count_leading_zeros, but counts - from the least significant end. - - 7) add_ssaaaa(high_sum, low_sum, high_addend_1, low_addend_1, - high_addend_2, low_addend_2) adds two UWtype integers, composed by - HIGH_ADDEND_1 and LOW_ADDEND_1, and HIGH_ADDEND_2 and LOW_ADDEND_2 - respectively. The result is placed in HIGH_SUM and LOW_SUM. Overflow - (i.e. carry out) is not stored anywhere, and is lost. - - 8) sub_ddmmss(high_difference, low_difference, high_minuend, low_minuend, - high_subtrahend, low_subtrahend) subtracts two two-word UWtype integers, - composed by HIGH_MINUEND_1 and LOW_MINUEND_1, and HIGH_SUBTRAHEND_2 and - LOW_SUBTRAHEND_2 respectively. The result is placed in HIGH_DIFFERENCE - and LOW_DIFFERENCE. Overflow (i.e. carry out) is not stored anywhere, - and is lost. - - If any of these macros are left undefined for a particular CPU, - C macros are used. */ - -/* The CPUs come in alphabetical order below. - - Please add support for more CPUs here, or improve the current support - for the CPUs below! - (E.g. WE32100, IBM360.) */ - -#if defined (__GNUC__) && !defined (NO_ASM) - -/* We sometimes need to clobber "cc" with gcc2, but that would not be - understood by gcc1. Use cpp to avoid major code duplication. */ -#if __GNUC__ < 2 -#define __CLOBBER_CC -#define __AND_CLOBBER_CC -#else /* __GNUC__ >= 2 */ -#define __CLOBBER_CC : "cc" -#define __AND_CLOBBER_CC , "cc" -#endif /* __GNUC__ < 2 */ - -#if defined (__aarch64__) - -#if W_TYPE_SIZE == 32 -#define count_leading_zeros(COUNT, X) ((COUNT) = __builtin_clz (X)) -#define count_trailing_zeros(COUNT, X) ((COUNT) = __builtin_ctz (X)) -#define COUNT_LEADING_ZEROS_0 32 -#endif /* W_TYPE_SIZE == 32 */ - -#if W_TYPE_SIZE == 64 -#define count_leading_zeros(COUNT, X) ((COUNT) = __builtin_clzll (X)) -#define count_trailing_zeros(COUNT, X) ((COUNT) = __builtin_ctzll (X)) -#define COUNT_LEADING_ZEROS_0 64 -#endif /* W_TYPE_SIZE == 64 */ - -#endif /* __aarch64__ */ - -#if defined (__alpha) && W_TYPE_SIZE == 64 -/* There is a bug in g++ before version 5 that - errors on __builtin_alpha_umulh. */ -#if !defined(__cplusplus) || __GNUC__ >= 5 -#define umul_ppmm(ph, pl, m0, m1) \ - do { \ - UDItype __m0 = (m0), __m1 = (m1); \ - (ph) = __builtin_alpha_umulh (__m0, __m1); \ - (pl) = __m0 * __m1; \ - } while (0) -#define UMUL_TIME 46 -#endif /* !c++ */ -#ifndef LONGLONG_STANDALONE -#define udiv_qrnnd(q, r, n1, n0, d) \ - do { UDItype __r; \ - (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ - (r) = __r; \ - } while (0) -extern UDItype __udiv_qrnnd (UDItype *, UDItype, UDItype, UDItype); -#define UDIV_TIME 220 -#endif /* LONGLONG_STANDALONE */ -#ifdef __alpha_cix__ -#define count_leading_zeros(COUNT,X) ((COUNT) = __builtin_clzl (X)) -#define count_trailing_zeros(COUNT,X) ((COUNT) = __builtin_ctzl (X)) -#define COUNT_LEADING_ZEROS_0 64 -#else -#define count_leading_zeros(COUNT,X) \ - do { \ - UDItype __xr = (X), __t, __a; \ - __t = __builtin_alpha_cmpbge (0, __xr); \ - __a = __clz_tab[__t ^ 0xff] - 1; \ - __t = __builtin_alpha_extbl (__xr, __a); \ - (COUNT) = 64 - (__clz_tab[__t] + __a*8); \ - } while (0) -#define count_trailing_zeros(COUNT,X) \ - do { \ - UDItype __xr = (X), __t, __a; \ - __t = __builtin_alpha_cmpbge (0, __xr); \ - __t = ~__t & -~__t; \ - __a = ((__t & 0xCC) != 0) * 2; \ - __a += ((__t & 0xF0) != 0) * 4; \ - __a += ((__t & 0xAA) != 0); \ - __t = __builtin_alpha_extbl (__xr, __a); \ - __a <<= 3; \ - __t &= -__t; \ - __a += ((__t & 0xCC) != 0) * 2; \ - __a += ((__t & 0xF0) != 0) * 4; \ - __a += ((__t & 0xAA) != 0); \ - (COUNT) = __a; \ - } while (0) -#endif /* __alpha_cix__ */ -#endif /* __alpha */ - -#if defined (__arc__) && W_TYPE_SIZE == 32 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("add.f %1, %4, %5\n\tadc %0, %2, %3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "%r" ((USItype) (ah)), \ - "rICal" ((USItype) (bh)), \ - "%r" ((USItype) (al)), \ - "rICal" ((USItype) (bl)) \ - : "cc") -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("sub.f %1, %4, %5\n\tsbc %0, %2, %3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "r" ((USItype) (ah)), \ - "rICal" ((USItype) (bh)), \ - "r" ((USItype) (al)), \ - "rICal" ((USItype) (bl)) \ - : "cc") - -#define __umulsidi3(u,v) ((UDItype)(USItype)u*(USItype)v) -#ifdef __ARC_NORM__ -#define count_leading_zeros(count, x) \ - do \ - { \ - SItype c_; \ - \ - __asm__ ("norm.f\t%0,%1\n\tmov.mi\t%0,-1" : "=r" (c_) : "r" (x) : "cc");\ - (count) = c_ + 1; \ - } \ - while (0) -#define COUNT_LEADING_ZEROS_0 32 -#endif /* __ARC_NORM__ */ -#endif /* __arc__ */ - -#if defined (__arm__) && (defined (__thumb2__) || !defined (__thumb__)) \ - && W_TYPE_SIZE == 32 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("adds %1, %4, %5\n\tadc %0, %2, %3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "%r" ((USItype) (ah)), \ - "rI" ((USItype) (bh)), \ - "%r" ((USItype) (al)), \ - "rI" ((USItype) (bl)) __CLOBBER_CC) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("subs %1, %4, %5\n\tsbc %0, %2, %3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "r" ((USItype) (ah)), \ - "rI" ((USItype) (bh)), \ - "r" ((USItype) (al)), \ - "rI" ((USItype) (bl)) __CLOBBER_CC) -# if defined(__ARM_ARCH_2__) || defined(__ARM_ARCH_2A__) \ - || defined(__ARM_ARCH_3__) -# define umul_ppmm(xh, xl, a, b) \ - do { \ - register USItype __t0, __t1, __t2; \ - __asm__ ("%@ Inlined umul_ppmm\n" \ - " mov %2, %5, lsr #16\n" \ - " mov %0, %6, lsr #16\n" \ - " bic %3, %5, %2, lsl #16\n" \ - " bic %4, %6, %0, lsl #16\n" \ - " mul %1, %3, %4\n" \ - " mul %4, %2, %4\n" \ - " mul %3, %0, %3\n" \ - " mul %0, %2, %0\n" \ - " adds %3, %4, %3\n" \ - " addcs %0, %0, #65536\n" \ - " adds %1, %1, %3, lsl #16\n" \ - " adc %0, %0, %3, lsr #16" \ - : "=&r" ((USItype) (xh)), \ - "=r" ((USItype) (xl)), \ - "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \ - : "r" ((USItype) (a)), \ - "r" ((USItype) (b)) __CLOBBER_CC ); \ - } while (0) -# define UMUL_TIME 20 -# else -# define umul_ppmm(xh, xl, a, b) \ - do { \ - /* Generate umull, under compiler control. */ \ - register UDItype __t0 = (UDItype)(USItype)(a) * (USItype)(b); \ - (xl) = (USItype)__t0; \ - (xh) = (USItype)(__t0 >> 32); \ - } while (0) -# define UMUL_TIME 3 -# endif -# define UDIV_TIME 100 -#endif /* __arm__ */ - -#if defined(__arm__) -/* Let gcc decide how best to implement count_leading_zeros. */ -#define count_leading_zeros(COUNT,X) ((COUNT) = __builtin_clz (X)) -#define count_trailing_zeros(COUNT,X) ((COUNT) = __builtin_ctz (X)) -#define COUNT_LEADING_ZEROS_0 32 -#endif - -#if defined (__AVR__) - -#if W_TYPE_SIZE == 16 -#define count_leading_zeros(COUNT,X) ((COUNT) = __builtin_clz (X)) -#define count_trailing_zeros(COUNT,X) ((COUNT) = __builtin_ctz (X)) -#define COUNT_LEADING_ZEROS_0 16 -#endif /* W_TYPE_SIZE == 16 */ - -#if W_TYPE_SIZE == 32 -#define count_leading_zeros(COUNT,X) ((COUNT) = __builtin_clzl (X)) -#define count_trailing_zeros(COUNT,X) ((COUNT) = __builtin_ctzl (X)) -#define COUNT_LEADING_ZEROS_0 32 -#endif /* W_TYPE_SIZE == 32 */ - -#if W_TYPE_SIZE == 64 -#define count_leading_zeros(COUNT,X) ((COUNT) = __builtin_clzll (X)) -#define count_trailing_zeros(COUNT,X) ((COUNT) = __builtin_ctzll (X)) -#define COUNT_LEADING_ZEROS_0 64 -#endif /* W_TYPE_SIZE == 64 */ - -#endif /* defined (__AVR__) */ - -#if defined (__CRIS__) - -#if __CRIS_arch_version >= 3 -#define count_leading_zeros(COUNT, X) ((COUNT) = __builtin_clz (X)) -#define COUNT_LEADING_ZEROS_0 32 -#endif /* __CRIS_arch_version >= 3 */ - -#if __CRIS_arch_version >= 8 -#define count_trailing_zeros(COUNT, X) ((COUNT) = __builtin_ctz (X)) -#endif /* __CRIS_arch_version >= 8 */ - -#if __CRIS_arch_version >= 10 -#define __umulsidi3(u,v) ((UDItype)(USItype) (u) * (UDItype)(USItype) (v)) -#else -#define __umulsidi3 __umulsidi3 -extern UDItype __umulsidi3 (USItype, USItype); -#endif /* __CRIS_arch_version >= 10 */ - -#define umul_ppmm(w1, w0, u, v) \ - do { \ - UDItype __x = __umulsidi3 (u, v); \ - (w0) = (USItype) (__x); \ - (w1) = (USItype) (__x >> 32); \ - } while (0) - -/* FIXME: defining add_ssaaaa and sub_ddmmss should be advantageous for - DFmode ("double" intrinsics, avoiding two of the three insns handling - carry), but defining them as open-code C composing and doing the - operation in DImode (UDImode) shows that the DImode needs work: - register pressure from requiring neighboring registers and the - traffic to and from them come to dominate, in the 4.7 series. */ - -#endif /* defined (__CRIS__) */ - -#if defined (__hppa) && W_TYPE_SIZE == 32 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("add %4,%5,%1\n\taddc %2,%3,%0" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "%rM" ((USItype) (ah)), \ - "rM" ((USItype) (bh)), \ - "%rM" ((USItype) (al)), \ - "rM" ((USItype) (bl))) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("sub %4,%5,%1\n\tsubb %2,%3,%0" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "rM" ((USItype) (ah)), \ - "rM" ((USItype) (bh)), \ - "rM" ((USItype) (al)), \ - "rM" ((USItype) (bl))) -#if defined (_PA_RISC1_1) -#define umul_ppmm(w1, w0, u, v) \ - do { \ - union \ - { \ - UDItype __f; \ - struct {USItype __w1, __w0;} __w1w0; \ - } __t; \ - __asm__ ("xmpyu %1,%2,%0" \ - : "=x" (__t.__f) \ - : "x" ((USItype) (u)), \ - "x" ((USItype) (v))); \ - (w1) = __t.__w1w0.__w1; \ - (w0) = __t.__w1w0.__w0; \ - } while (0) -#define UMUL_TIME 8 -#else -#define UMUL_TIME 30 -#endif -#define UDIV_TIME 40 -#define count_leading_zeros(count, x) \ - do { \ - USItype __tmp; \ - __asm__ ( \ - "ldi 1,%0\n" \ -" extru,= %1,15,16,%%r0 ; Bits 31..16 zero?\n" \ -" extru,tr %1,15,16,%1 ; No. Shift down, skip add.\n"\ -" ldo 16(%0),%0 ; Yes. Perform add.\n" \ -" extru,= %1,23,8,%%r0 ; Bits 15..8 zero?\n" \ -" extru,tr %1,23,8,%1 ; No. Shift down, skip add.\n"\ -" ldo 8(%0),%0 ; Yes. Perform add.\n" \ -" extru,= %1,27,4,%%r0 ; Bits 7..4 zero?\n" \ -" extru,tr %1,27,4,%1 ; No. Shift down, skip add.\n"\ -" ldo 4(%0),%0 ; Yes. Perform add.\n" \ -" extru,= %1,29,2,%%r0 ; Bits 3..2 zero?\n" \ -" extru,tr %1,29,2,%1 ; No. Shift down, skip add.\n"\ -" ldo 2(%0),%0 ; Yes. Perform add.\n" \ -" extru %1,30,1,%1 ; Extract bit 1.\n" \ -" sub %0,%1,%0 ; Subtract it.\n" \ - : "=r" (count), "=r" (__tmp) : "1" (x)); \ - } while (0) -#endif - -#if (defined (__i370__) || defined (__s390__) || defined (__mvs__)) && W_TYPE_SIZE == 32 -#if !defined (__zarch__) -#define smul_ppmm(xh, xl, m0, m1) \ - do { \ - union {DItype __ll; \ - struct {USItype __h, __l;} __i; \ - } __x; \ - __asm__ ("lr %N0,%1\n\tmr %0,%2" \ - : "=&r" (__x.__ll) \ - : "r" (m0), "r" (m1)); \ - (xh) = __x.__i.__h; (xl) = __x.__i.__l; \ - } while (0) -#define sdiv_qrnnd(q, r, n1, n0, d) \ - do { \ - union {DItype __ll; \ - struct {USItype __h, __l;} __i; \ - } __x; \ - __x.__i.__h = n1; __x.__i.__l = n0; \ - __asm__ ("dr %0,%2" \ - : "=r" (__x.__ll) \ - : "0" (__x.__ll), "r" (d)); \ - (q) = __x.__i.__l; (r) = __x.__i.__h; \ - } while (0) -#else -#define smul_ppmm(xh, xl, m0, m1) \ - do { \ - register SItype __r0 __asm__ ("0"); \ - register SItype __r1 __asm__ ("1") = (m0); \ - \ - __asm__ ("mr\t%%r0,%3" \ - : "=r" (__r0), "=r" (__r1) \ - : "r" (__r1), "r" (m1)); \ - (xh) = __r0; (xl) = __r1; \ - } while (0) - -#define sdiv_qrnnd(q, r, n1, n0, d) \ - do { \ - register SItype __r0 __asm__ ("0") = (n1); \ - register SItype __r1 __asm__ ("1") = (n0); \ - \ - __asm__ ("dr\t%%r0,%4" \ - : "=r" (__r0), "=r" (__r1) \ - : "r" (__r0), "r" (__r1), "r" (d)); \ - (q) = __r1; (r) = __r0; \ - } while (0) -#endif /* __zarch__ */ -#endif - -#if (defined (__i386__) || defined (__i486__)) && W_TYPE_SIZE == 32 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("add{l} {%5,%1|%1,%5}\n\tadc{l} {%3,%0|%0,%3}" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "%0" ((USItype) (ah)), \ - "g" ((USItype) (bh)), \ - "%1" ((USItype) (al)), \ - "g" ((USItype) (bl))) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("sub{l} {%5,%1|%1,%5}\n\tsbb{l} {%3,%0|%0,%3}" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "0" ((USItype) (ah)), \ - "g" ((USItype) (bh)), \ - "1" ((USItype) (al)), \ - "g" ((USItype) (bl))) -#define umul_ppmm(w1, w0, u, v) \ - __asm__ ("mul{l} %3" \ - : "=a" ((USItype) (w0)), \ - "=d" ((USItype) (w1)) \ - : "%0" ((USItype) (u)), \ - "rm" ((USItype) (v))) -#define udiv_qrnnd(q, r, n1, n0, dv) \ - __asm__ ("div{l} %4" \ - : "=a" ((USItype) (q)), \ - "=d" ((USItype) (r)) \ - : "0" ((USItype) (n0)), \ - "1" ((USItype) (n1)), \ - "rm" ((USItype) (dv))) -#define count_leading_zeros(count, x) ((count) = __builtin_clz (x)) -#define count_trailing_zeros(count, x) ((count) = __builtin_ctz (x)) -#define UMUL_TIME 40 -#define UDIV_TIME 40 -#endif /* 80x86 */ - -#if defined (__x86_64__) && W_TYPE_SIZE == 64 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("add{q} {%5,%1|%1,%5}\n\tadc{q} {%3,%0|%0,%3}" \ - : "=r" ((UDItype) (sh)), \ - "=&r" ((UDItype) (sl)) \ - : "%0" ((UDItype) (ah)), \ - "rme" ((UDItype) (bh)), \ - "%1" ((UDItype) (al)), \ - "rme" ((UDItype) (bl))) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("sub{q} {%5,%1|%1,%5}\n\tsbb{q} {%3,%0|%0,%3}" \ - : "=r" ((UDItype) (sh)), \ - "=&r" ((UDItype) (sl)) \ - : "0" ((UDItype) (ah)), \ - "rme" ((UDItype) (bh)), \ - "1" ((UDItype) (al)), \ - "rme" ((UDItype) (bl))) -#define umul_ppmm(w1, w0, u, v) \ - __asm__ ("mul{q} %3" \ - : "=a" ((UDItype) (w0)), \ - "=d" ((UDItype) (w1)) \ - : "%0" ((UDItype) (u)), \ - "rm" ((UDItype) (v))) -#define udiv_qrnnd(q, r, n1, n0, dv) \ - __asm__ ("div{q} %4" \ - : "=a" ((UDItype) (q)), \ - "=d" ((UDItype) (r)) \ - : "0" ((UDItype) (n0)), \ - "1" ((UDItype) (n1)), \ - "rm" ((UDItype) (dv))) -#define count_leading_zeros(count, x) ((count) = __builtin_clzll (x)) -#define count_trailing_zeros(count, x) ((count) = __builtin_ctzll (x)) -#define UMUL_TIME 40 -#define UDIV_TIME 40 -#endif /* x86_64 */ - -#if defined (__i960__) && W_TYPE_SIZE == 32 -#define umul_ppmm(w1, w0, u, v) \ - ({union {UDItype __ll; \ - struct {USItype __l, __h;} __i; \ - } __xx; \ - __asm__ ("emul %2,%1,%0" \ - : "=d" (__xx.__ll) \ - : "%dI" ((USItype) (u)), \ - "dI" ((USItype) (v))); \ - (w1) = __xx.__i.__h; (w0) = __xx.__i.__l;}) -#define __umulsidi3(u, v) \ - ({UDItype __w; \ - __asm__ ("emul %2,%1,%0" \ - : "=d" (__w) \ - : "%dI" ((USItype) (u)), \ - "dI" ((USItype) (v))); \ - __w; }) -#endif /* __i960__ */ - -#if defined (__ia64) && W_TYPE_SIZE == 64 -/* This form encourages gcc (pre-release 3.4 at least) to emit predicated - "sub r=r,r" and "sub r=r,r,1", giving a 2 cycle latency. The generic - code using "al<bl" arithmetically comes out making an actual 0 or 1 in a - register, which takes an extra cycle. */ -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - do { \ - UWtype __x; \ - __x = (al) - (bl); \ - if ((al) < (bl)) \ - (sh) = (ah) - (bh) - 1; \ - else \ - (sh) = (ah) - (bh); \ - (sl) = __x; \ - } while (0) - -/* Do both product parts in assembly, since that gives better code with - all gcc versions. Some callers will just use the upper part, and in - that situation we waste an instruction, but not any cycles. */ -#define umul_ppmm(ph, pl, m0, m1) \ - __asm__ ("xma.hu %0 = %2, %3, f0\n\txma.l %1 = %2, %3, f0" \ - : "=&f" (ph), "=f" (pl) \ - : "f" (m0), "f" (m1)) -#define count_leading_zeros(count, x) \ - do { \ - UWtype _x = (x), _y, _a, _c; \ - __asm__ ("mux1 %0 = %1, @rev" : "=r" (_y) : "r" (_x)); \ - __asm__ ("czx1.l %0 = %1" : "=r" (_a) : "r" (-_y | _y)); \ - _c = (_a - 1) << 3; \ - _x >>= _c; \ - if (_x >= 1 << 4) \ - _x >>= 4, _c += 4; \ - if (_x >= 1 << 2) \ - _x >>= 2, _c += 2; \ - _c += _x >> 1; \ - (count) = W_TYPE_SIZE - 1 - _c; \ - } while (0) -/* similar to what gcc does for __builtin_ffs, but 0 based rather than 1 - based, and we don't need a special case for x==0 here */ -#define count_trailing_zeros(count, x) \ - do { \ - UWtype __ctz_x = (x); \ - __asm__ ("popcnt %0 = %1" \ - : "=r" (count) \ - : "r" ((__ctz_x-1) & ~__ctz_x)); \ - } while (0) -#define UMUL_TIME 14 -#endif - -#ifdef __loongarch__ -# if W_TYPE_SIZE == 32 -# define count_leading_zeros(count, x) ((count) = __builtin_clz (x)) -# define count_trailing_zeros(count, x) ((count) = __builtin_ctz (x)) -# define COUNT_LEADING_ZEROS_0 32 -# elif W_TYPE_SIZE == 64 -# define count_leading_zeros(count, x) ((count) = __builtin_clzll (x)) -# define count_trailing_zeros(count, x) ((count) = __builtin_ctzll (x)) -# define COUNT_LEADING_ZEROS_0 64 -# endif -#endif - -#if defined (__M32R__) && W_TYPE_SIZE == 32 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - /* The cmp clears the condition bit. */ \ - __asm__ ("cmp %0,%0\n\taddx %1,%5\n\taddx %0,%3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "0" ((USItype) (ah)), \ - "r" ((USItype) (bh)), \ - "1" ((USItype) (al)), \ - "r" ((USItype) (bl)) \ - : "cbit") -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - /* The cmp clears the condition bit. */ \ - __asm__ ("cmp %0,%0\n\tsubx %1,%5\n\tsubx %0,%3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "0" ((USItype) (ah)), \ - "r" ((USItype) (bh)), \ - "1" ((USItype) (al)), \ - "r" ((USItype) (bl)) \ - : "cbit") -#endif /* __M32R__ */ - -#if defined (__mc68000__) && W_TYPE_SIZE == 32 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("add%.l %5,%1\n\taddx%.l %3,%0" \ - : "=d" ((USItype) (sh)), \ - "=&d" ((USItype) (sl)) \ - : "%0" ((USItype) (ah)), \ - "d" ((USItype) (bh)), \ - "%1" ((USItype) (al)), \ - "g" ((USItype) (bl))) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("sub%.l %5,%1\n\tsubx%.l %3,%0" \ - : "=d" ((USItype) (sh)), \ - "=&d" ((USItype) (sl)) \ - : "0" ((USItype) (ah)), \ - "d" ((USItype) (bh)), \ - "1" ((USItype) (al)), \ - "g" ((USItype) (bl))) - -/* The '020, '030, '040, '060 and CPU32 have 32x32->64 and 64/32->32q-32r. */ -#if (defined (__mc68020__) && !defined (__mc68060__)) -#define umul_ppmm(w1, w0, u, v) \ - __asm__ ("mulu%.l %3,%1:%0" \ - : "=d" ((USItype) (w0)), \ - "=d" ((USItype) (w1)) \ - : "%0" ((USItype) (u)), \ - "dmi" ((USItype) (v))) -#define UMUL_TIME 45 -#define udiv_qrnnd(q, r, n1, n0, d) \ - __asm__ ("divu%.l %4,%1:%0" \ - : "=d" ((USItype) (q)), \ - "=d" ((USItype) (r)) \ - : "0" ((USItype) (n0)), \ - "1" ((USItype) (n1)), \ - "dmi" ((USItype) (d))) -#define UDIV_TIME 90 -#define sdiv_qrnnd(q, r, n1, n0, d) \ - __asm__ ("divs%.l %4,%1:%0" \ - : "=d" ((USItype) (q)), \ - "=d" ((USItype) (r)) \ - : "0" ((USItype) (n0)), \ - "1" ((USItype) (n1)), \ - "dmi" ((USItype) (d))) - -#elif defined (__mcoldfire__) /* not mc68020 */ - -#define umul_ppmm(xh, xl, a, b) \ - __asm__ ("| Inlined umul_ppmm\n" \ - " move%.l %2,%/d0\n" \ - " move%.l %3,%/d1\n" \ - " move%.l %/d0,%/d2\n" \ - " swap %/d0\n" \ - " move%.l %/d1,%/d3\n" \ - " swap %/d1\n" \ - " move%.w %/d2,%/d4\n" \ - " mulu %/d3,%/d4\n" \ - " mulu %/d1,%/d2\n" \ - " mulu %/d0,%/d3\n" \ - " mulu %/d0,%/d1\n" \ - " move%.l %/d4,%/d0\n" \ - " clr%.w %/d0\n" \ - " swap %/d0\n" \ - " add%.l %/d0,%/d2\n" \ - " add%.l %/d3,%/d2\n" \ - " jcc 1f\n" \ - " add%.l %#65536,%/d1\n" \ - "1: swap %/d2\n" \ - " moveq %#0,%/d0\n" \ - " move%.w %/d2,%/d0\n" \ - " move%.w %/d4,%/d2\n" \ - " move%.l %/d2,%1\n" \ - " add%.l %/d1,%/d0\n" \ - " move%.l %/d0,%0" \ - : "=g" ((USItype) (xh)), \ - "=g" ((USItype) (xl)) \ - : "g" ((USItype) (a)), \ - "g" ((USItype) (b)) \ - : "d0", "d1", "d2", "d3", "d4") -#define UMUL_TIME 100 -#define UDIV_TIME 400 -#else /* not ColdFire */ -/* %/ inserts REGISTER_PREFIX, %# inserts IMMEDIATE_PREFIX. */ -#define umul_ppmm(xh, xl, a, b) \ - __asm__ ("| Inlined umul_ppmm\n" \ - " move%.l %2,%/d0\n" \ - " move%.l %3,%/d1\n" \ - " move%.l %/d0,%/d2\n" \ - " swap %/d0\n" \ - " move%.l %/d1,%/d3\n" \ - " swap %/d1\n" \ - " move%.w %/d2,%/d4\n" \ - " mulu %/d3,%/d4\n" \ - " mulu %/d1,%/d2\n" \ - " mulu %/d0,%/d3\n" \ - " mulu %/d0,%/d1\n" \ - " move%.l %/d4,%/d0\n" \ - " eor%.w %/d0,%/d0\n" \ - " swap %/d0\n" \ - " add%.l %/d0,%/d2\n" \ - " add%.l %/d3,%/d2\n" \ - " jcc 1f\n" \ - " add%.l %#65536,%/d1\n" \ - "1: swap %/d2\n" \ - " moveq %#0,%/d0\n" \ - " move%.w %/d2,%/d0\n" \ - " move%.w %/d4,%/d2\n" \ - " move%.l %/d2,%1\n" \ - " add%.l %/d1,%/d0\n" \ - " move%.l %/d0,%0" \ - : "=g" ((USItype) (xh)), \ - "=g" ((USItype) (xl)) \ - : "g" ((USItype) (a)), \ - "g" ((USItype) (b)) \ - : "d0", "d1", "d2", "d3", "d4") -#define UMUL_TIME 100 -#define UDIV_TIME 400 - -#endif /* not mc68020 */ - -/* The '020, '030, '040 and '060 have bitfield insns. - cpu32 disguises as a 68020, but lacks them. */ -#if defined (__mc68020__) && !defined (__mcpu32__) -#define count_leading_zeros(count, x) \ - __asm__ ("bfffo %1{%b2:%b2},%0" \ - : "=d" ((USItype) (count)) \ - : "od" ((USItype) (x)), "n" (0)) -/* Some ColdFire architectures have a ff1 instruction supported via - __builtin_clz. */ -#elif defined (__mcfisaaplus__) || defined (__mcfisac__) -#define count_leading_zeros(count,x) ((count) = __builtin_clz (x)) -#define COUNT_LEADING_ZEROS_0 32 -#endif -#endif /* mc68000 */ - -#if defined (__m88000__) && W_TYPE_SIZE == 32 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("addu.co %1,%r4,%r5\n\taddu.ci %0,%r2,%r3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "%rJ" ((USItype) (ah)), \ - "rJ" ((USItype) (bh)), \ - "%rJ" ((USItype) (al)), \ - "rJ" ((USItype) (bl))) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("subu.co %1,%r4,%r5\n\tsubu.ci %0,%r2,%r3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "rJ" ((USItype) (ah)), \ - "rJ" ((USItype) (bh)), \ - "rJ" ((USItype) (al)), \ - "rJ" ((USItype) (bl))) -#define count_leading_zeros(count, x) \ - do { \ - USItype __cbtmp; \ - __asm__ ("ff1 %0,%1" \ - : "=r" (__cbtmp) \ - : "r" ((USItype) (x))); \ - (count) = __cbtmp ^ 31; \ - } while (0) -#define COUNT_LEADING_ZEROS_0 63 /* sic */ -#if defined (__mc88110__) -#define umul_ppmm(wh, wl, u, v) \ - do { \ - union {UDItype __ll; \ - struct {USItype __h, __l;} __i; \ - } __xx; \ - __asm__ ("mulu.d %0,%1,%2" \ - : "=r" (__xx.__ll) \ - : "r" ((USItype) (u)), \ - "r" ((USItype) (v))); \ - (wh) = __xx.__i.__h; \ - (wl) = __xx.__i.__l; \ - } while (0) -#define udiv_qrnnd(q, r, n1, n0, d) \ - ({union {UDItype __ll; \ - struct {USItype __h, __l;} __i; \ - } __xx; \ - USItype __q; \ - __xx.__i.__h = (n1); __xx.__i.__l = (n0); \ - __asm__ ("divu.d %0,%1,%2" \ - : "=r" (__q) \ - : "r" (__xx.__ll), \ - "r" ((USItype) (d))); \ - (r) = (n0) - __q * (d); (q) = __q; }) -#define UMUL_TIME 5 -#define UDIV_TIME 25 -#else -#define UMUL_TIME 17 -#define UDIV_TIME 150 -#endif /* __mc88110__ */ -#endif /* __m88000__ */ - -#if defined (__mn10300__) -# if defined (__AM33__) -# define count_leading_zeros(COUNT,X) ((COUNT) = __builtin_clz (X)) -# define umul_ppmm(w1, w0, u, v) \ - asm("mulu %3,%2,%1,%0" : "=r"(w0), "=r"(w1) : "r"(u), "r"(v)) -# define smul_ppmm(w1, w0, u, v) \ - asm("mul %3,%2,%1,%0" : "=r"(w0), "=r"(w1) : "r"(u), "r"(v)) -# else -# define umul_ppmm(w1, w0, u, v) \ - asm("nop; nop; mulu %3,%0" : "=d"(w0), "=z"(w1) : "%0"(u), "d"(v)) -# define smul_ppmm(w1, w0, u, v) \ - asm("nop; nop; mul %3,%0" : "=d"(w0), "=z"(w1) : "%0"(u), "d"(v)) -# endif -# define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - do { \ - DWunion __s, __a, __b; \ - __a.s.low = (al); __a.s.high = (ah); \ - __b.s.low = (bl); __b.s.high = (bh); \ - __s.ll = __a.ll + __b.ll; \ - (sl) = __s.s.low; (sh) = __s.s.high; \ - } while (0) -# define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - do { \ - DWunion __s, __a, __b; \ - __a.s.low = (al); __a.s.high = (ah); \ - __b.s.low = (bl); __b.s.high = (bh); \ - __s.ll = __a.ll - __b.ll; \ - (sl) = __s.s.low; (sh) = __s.s.high; \ - } while (0) -# define udiv_qrnnd(q, r, nh, nl, d) \ - asm("divu %2,%0" : "=D"(q), "=z"(r) : "D"(d), "0"(nl), "1"(nh)) -# define sdiv_qrnnd(q, r, nh, nl, d) \ - asm("div %2,%0" : "=D"(q), "=z"(r) : "D"(d), "0"(nl), "1"(nh)) -# define UMUL_TIME 3 -# define UDIV_TIME 38 -#endif - -#if defined (__mips__) && W_TYPE_SIZE == 32 -#define umul_ppmm(w1, w0, u, v) \ - do { \ - UDItype __x = (UDItype) (USItype) (u) * (USItype) (v); \ - (w1) = (USItype) (__x >> 32); \ - (w0) = (USItype) (__x); \ - } while (0) -#define UMUL_TIME 10 -#define UDIV_TIME 100 - -#if (__mips == 32 || __mips == 64) && ! defined (__mips16) -#define count_leading_zeros(COUNT,X) ((COUNT) = __builtin_clz (X)) -#define COUNT_LEADING_ZEROS_0 32 -#endif -#endif /* __mips__ */ - -/* FIXME: We should test _IBMR2 here when we add assembly support for the - system vendor compilers. - FIXME: What's needed for gcc PowerPC VxWorks? __vxworks__ is not good - enough, since that hits ARM and m68k too. */ -#if (defined (_ARCH_PPC) /* AIX */ \ - || defined (__powerpc__) /* gcc */ \ - || defined (__POWERPC__) /* BEOS */ \ - || defined (__ppc__) /* Darwin */ \ - || (defined (PPC) && ! defined (CPU_FAMILY)) /* gcc 2.7.x GNU&SysV */ \ - || (defined (PPC) && defined (CPU_FAMILY) /* VxWorks */ \ - && CPU_FAMILY == PPC) \ - ) && W_TYPE_SIZE == 32 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - do { \ - if (__builtin_constant_p (bh) && (bh) == 0) \ - __asm__ ("add%I4c %1,%3,%4\n\taddze %0,%2" \ - : "=r" (sh), "=&r" (sl) : "r" (ah), "%r" (al), "rI" (bl));\ - else if (__builtin_constant_p (bh) && (bh) == ~(USItype) 0) \ - __asm__ ("add%I4c %1,%3,%4\n\taddme %0,%2" \ - : "=r" (sh), "=&r" (sl) : "r" (ah), "%r" (al), "rI" (bl));\ - else \ - __asm__ ("add%I5c %1,%4,%5\n\tadde %0,%2,%3" \ - : "=r" (sh), "=&r" (sl) \ - : "%r" (ah), "r" (bh), "%r" (al), "rI" (bl)); \ - } while (0) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - do { \ - if (__builtin_constant_p (ah) && (ah) == 0) \ - __asm__ ("subf%I3c %1,%4,%3\n\tsubfze %0,%2" \ - : "=r" (sh), "=&r" (sl) : "r" (bh), "rI" (al), "r" (bl));\ - else if (__builtin_constant_p (ah) && (ah) == ~(USItype) 0) \ - __asm__ ("subf%I3c %1,%4,%3\n\tsubfme %0,%2" \ - : "=r" (sh), "=&r" (sl) : "r" (bh), "rI" (al), "r" (bl));\ - else if (__builtin_constant_p (bh) && (bh) == 0) \ - __asm__ ("subf%I3c %1,%4,%3\n\taddme %0,%2" \ - : "=r" (sh), "=&r" (sl) : "r" (ah), "rI" (al), "r" (bl));\ - else if (__builtin_constant_p (bh) && (bh) == ~(USItype) 0) \ - __asm__ ("subf%I3c %1,%4,%3\n\taddze %0,%2" \ - : "=r" (sh), "=&r" (sl) : "r" (ah), "rI" (al), "r" (bl));\ - else \ - __asm__ ("subf%I4c %1,%5,%4\n\tsubfe %0,%3,%2" \ - : "=r" (sh), "=&r" (sl) \ - : "r" (ah), "r" (bh), "rI" (al), "r" (bl)); \ - } while (0) -#define count_leading_zeros(count, x) \ - __asm__ ("cntlzw %0,%1" : "=r" (count) : "r" (x)) -#define COUNT_LEADING_ZEROS_0 32 -#if defined (_ARCH_PPC) || defined (__powerpc__) || defined (__POWERPC__) \ - || defined (__ppc__) \ - || (defined (PPC) && ! defined (CPU_FAMILY)) /* gcc 2.7.x GNU&SysV */ \ - || (defined (PPC) && defined (CPU_FAMILY) /* VxWorks */ \ - && CPU_FAMILY == PPC) -#define umul_ppmm(ph, pl, m0, m1) \ - do { \ - USItype __m0 = (m0), __m1 = (m1); \ - __asm__ ("mulhwu %0,%1,%2" : "=r" (ph) : "%r" (m0), "r" (m1)); \ - (pl) = __m0 * __m1; \ - } while (0) -#define UMUL_TIME 15 -#define smul_ppmm(ph, pl, m0, m1) \ - do { \ - SItype __m0 = (m0), __m1 = (m1); \ - __asm__ ("mulhw %0,%1,%2" : "=r" (ph) : "%r" (m0), "r" (m1)); \ - (pl) = __m0 * __m1; \ - } while (0) -#define SMUL_TIME 14 -#define UDIV_TIME 120 -#endif -#endif /* 32-bit POWER architecture variants. */ - -/* We should test _IBMR2 here when we add assembly support for the system - vendor compilers. */ -#if (defined (_ARCH_PPC64) || defined (__powerpc64__)) && W_TYPE_SIZE == 64 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - do { \ - if (__builtin_constant_p (bh) && (bh) == 0) \ - __asm__ ("add%I4c %1,%3,%4\n\taddze %0,%2" \ - : "=r" (sh), "=&r" (sl) : "r" (ah), "%r" (al), "rI" (bl));\ - else if (__builtin_constant_p (bh) && (bh) == ~(UDItype) 0) \ - __asm__ ("add%I4c %1,%3,%4\n\taddme %0,%2" \ - : "=r" (sh), "=&r" (sl) : "r" (ah), "%r" (al), "rI" (bl));\ - else \ - __asm__ ("add%I5c %1,%4,%5\n\tadde %0,%2,%3" \ - : "=r" (sh), "=&r" (sl) \ - : "%r" (ah), "r" (bh), "%r" (al), "rI" (bl)); \ - } while (0) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - do { \ - if (__builtin_constant_p (ah) && (ah) == 0) \ - __asm__ ("subf%I3c %1,%4,%3\n\tsubfze %0,%2" \ - : "=r" (sh), "=&r" (sl) : "r" (bh), "rI" (al), "r" (bl));\ - else if (__builtin_constant_p (ah) && (ah) == ~(UDItype) 0) \ - __asm__ ("subf%I3c %1,%4,%3\n\tsubfme %0,%2" \ - : "=r" (sh), "=&r" (sl) : "r" (bh), "rI" (al), "r" (bl));\ - else if (__builtin_constant_p (bh) && (bh) == 0) \ - __asm__ ("subf%I3c %1,%4,%3\n\taddme %0,%2" \ - : "=r" (sh), "=&r" (sl) : "r" (ah), "rI" (al), "r" (bl));\ - else if (__builtin_constant_p (bh) && (bh) == ~(UDItype) 0) \ - __asm__ ("subf%I3c %1,%4,%3\n\taddze %0,%2" \ - : "=r" (sh), "=&r" (sl) : "r" (ah), "rI" (al), "r" (bl));\ - else \ - __asm__ ("subf%I4c %1,%5,%4\n\tsubfe %0,%3,%2" \ - : "=r" (sh), "=&r" (sl) \ - : "r" (ah), "r" (bh), "rI" (al), "r" (bl)); \ - } while (0) -#define count_leading_zeros(count, x) \ - __asm__ ("cntlzd %0,%1" : "=r" (count) : "r" (x)) -#define COUNT_LEADING_ZEROS_0 64 -#define umul_ppmm(ph, pl, m0, m1) \ - do { \ - UDItype __m0 = (m0), __m1 = (m1); \ - __asm__ ("mulhdu %0,%1,%2" : "=r" (ph) : "%r" (m0), "r" (m1)); \ - (pl) = __m0 * __m1; \ - } while (0) -#define UMUL_TIME 15 -#define smul_ppmm(ph, pl, m0, m1) \ - do { \ - DItype __m0 = (m0), __m1 = (m1); \ - __asm__ ("mulhd %0,%1,%2" : "=r" (ph) : "%r" (m0), "r" (m1)); \ - (pl) = __m0 * __m1; \ - } while (0) -#define SMUL_TIME 14 /* ??? */ -#define UDIV_TIME 120 /* ??? */ -#endif /* 64-bit PowerPC. */ - -#if defined (__ibm032__) /* RT/ROMP */ && W_TYPE_SIZE == 32 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("a %1,%5\n\tae %0,%3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "%0" ((USItype) (ah)), \ - "r" ((USItype) (bh)), \ - "%1" ((USItype) (al)), \ - "r" ((USItype) (bl))) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("s %1,%5\n\tse %0,%3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "0" ((USItype) (ah)), \ - "r" ((USItype) (bh)), \ - "1" ((USItype) (al)), \ - "r" ((USItype) (bl))) -#define umul_ppmm(ph, pl, m0, m1) \ - do { \ - USItype __m0 = (m0), __m1 = (m1); \ - __asm__ ( \ - "s r2,r2\n" \ -" mts r10,%2\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" m r2,%3\n" \ -" cas %0,r2,r0\n" \ -" mfs r10,%1" \ - : "=r" ((USItype) (ph)), \ - "=r" ((USItype) (pl)) \ - : "%r" (__m0), \ - "r" (__m1) \ - : "r2"); \ - (ph) += ((((SItype) __m0 >> 31) & __m1) \ - + (((SItype) __m1 >> 31) & __m0)); \ - } while (0) -#define UMUL_TIME 20 -#define UDIV_TIME 200 -#define count_leading_zeros(count, x) \ - do { \ - if ((x) >= 0x10000) \ - __asm__ ("clz %0,%1" \ - : "=r" ((USItype) (count)) \ - : "r" ((USItype) (x) >> 16)); \ - else \ - { \ - __asm__ ("clz %0,%1" \ - : "=r" ((USItype) (count)) \ - : "r" ((USItype) (x))); \ - (count) += 16; \ - } \ - } while (0) -#endif - -#if defined(__riscv) -#ifdef __riscv_mul -#define __umulsidi3(u,v) ((UDWtype)(UWtype)(u) * (UWtype)(v)) -#define __muluw3(a, b) ((UWtype)(a) * (UWtype)(b)) -#else -#if __riscv_xlen == 32 - #define MULUW3 "call __mulsi3" -#elif __riscv_xlen == 64 - #define MULUW3 "call __muldi3" -#else -#error unsupported xlen -#endif /* __riscv_xlen */ -/* We rely on the fact that MULUW3 doesn't clobber the t-registers. - It can get better register allocation result. */ -#define __muluw3(a, b) \ - ({ \ - register UWtype __op0 asm ("a0") = a; \ - register UWtype __op1 asm ("a1") = b; \ - asm volatile (MULUW3 \ - : "+r" (__op0), "+r" (__op1) \ - : \ - : "ra", "a2", "a3"); \ - __op0; \ - }) -#endif /* __riscv_mul */ -#define umul_ppmm(w1, w0, u, v) \ - do { \ - UWtype __x0, __x1, __x2, __x3; \ - UHWtype __ul, __vl, __uh, __vh; \ - \ - __ul = __ll_lowpart (u); \ - __uh = __ll_highpart (u); \ - __vl = __ll_lowpart (v); \ - __vh = __ll_highpart (v); \ - \ - __x0 = __muluw3 (__ul, __vl); \ - __x1 = __muluw3 (__ul, __vh); \ - __x2 = __muluw3 (__uh, __vl); \ - __x3 = __muluw3 (__uh, __vh); \ - \ - __x1 += __ll_highpart (__x0);/* this can't give carry */ \ - __x1 += __x2; /* but this indeed can */ \ - if (__x1 < __x2) /* did we get it? */ \ - __x3 += __ll_B; /* yes, add it in the proper pos. */ \ - \ - (w1) = __x3 + __ll_highpart (__x1); \ - (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0); \ - } while (0) -#endif /* __riscv */ - -#if defined(__sh__) && W_TYPE_SIZE == 32 -#ifndef __sh1__ -#define umul_ppmm(w1, w0, u, v) \ - __asm__ ( \ - "dmulu.l %2,%3\n\tsts%M1 macl,%1\n\tsts%M0 mach,%0" \ - : "=r<" ((USItype)(w1)), \ - "=r<" ((USItype)(w0)) \ - : "r" ((USItype)(u)), \ - "r" ((USItype)(v)) \ - : "macl", "mach") -#define UMUL_TIME 5 -#endif - -/* This is the same algorithm as __udiv_qrnnd_c. */ -#define UDIV_NEEDS_NORMALIZATION 1 - -#ifdef __FDPIC__ -/* FDPIC needs a special version of the asm fragment to extract the - code address from the function descriptor. __udiv_qrnnd_16 is - assumed to be local and not to use the GOT, so loading r12 is - not needed. */ -#define udiv_qrnnd(q, r, n1, n0, d) \ - do { \ - extern UWtype __udiv_qrnnd_16 (UWtype, UWtype) \ - __attribute__ ((visibility ("hidden"))); \ - /* r0: rn r1: qn */ /* r0: n1 r4: n0 r5: d r6: d1 */ /* r2: __m */ \ - __asm__ ( \ - "mov%M4 %4,r5\n" \ -" swap.w %3,r4\n" \ -" swap.w r5,r6\n" \ -" mov.l @%5,r2\n" \ -" jsr @r2\n" \ -" shll16 r6\n" \ -" swap.w r4,r4\n" \ -" mov.l @%5,r2\n" \ -" jsr @r2\n" \ -" swap.w r1,%0\n" \ -" or r1,%0" \ - : "=r" (q), "=&z" (r) \ - : "1" (n1), "r" (n0), "rm" (d), "r" (&__udiv_qrnnd_16) \ - : "r1", "r2", "r4", "r5", "r6", "pr", "t"); \ - } while (0) -#else -#define udiv_qrnnd(q, r, n1, n0, d) \ - do { \ - extern UWtype __udiv_qrnnd_16 (UWtype, UWtype) \ - __attribute__ ((visibility ("hidden"))); \ - /* r0: rn r1: qn */ /* r0: n1 r4: n0 r5: d r6: d1 */ /* r2: __m */ \ - __asm__ ( \ - "mov%M4 %4,r5\n" \ -" swap.w %3,r4\n" \ -" swap.w r5,r6\n" \ -" jsr @%5\n" \ -" shll16 r6\n" \ -" swap.w r4,r4\n" \ -" jsr @%5\n" \ -" swap.w r1,%0\n" \ -" or r1,%0" \ - : "=r" (q), "=&z" (r) \ - : "1" (n1), "r" (n0), "rm" (d), "r" (&__udiv_qrnnd_16) \ - : "r1", "r2", "r4", "r5", "r6", "pr", "t"); \ - } while (0) -#endif /* __FDPIC__ */ - -#define UDIV_TIME 80 - -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("clrt;subc %5,%1; subc %4,%0" \ - : "=r" (sh), "=r" (sl) \ - : "0" (ah), "1" (al), "r" (bh), "r" (bl) : "t") - -#endif /* __sh__ */ - -#if defined (__sparc__) && !defined (__arch64__) && !defined (__sparcv9) \ - && W_TYPE_SIZE == 32 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("addcc %r4,%5,%1\n\taddx %r2,%3,%0" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "%rJ" ((USItype) (ah)), \ - "rI" ((USItype) (bh)), \ - "%rJ" ((USItype) (al)), \ - "rI" ((USItype) (bl)) \ - __CLOBBER_CC) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("subcc %r4,%5,%1\n\tsubx %r2,%3,%0" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "rJ" ((USItype) (ah)), \ - "rI" ((USItype) (bh)), \ - "rJ" ((USItype) (al)), \ - "rI" ((USItype) (bl)) \ - __CLOBBER_CC) -#if defined (__sparc_v9__) -#define umul_ppmm(w1, w0, u, v) \ - do { \ - register USItype __g1 asm ("g1"); \ - __asm__ ("umul\t%2,%3,%1\n\t" \ - "srlx\t%1, 32, %0" \ - : "=r" ((USItype) (w1)), \ - "=r" (__g1) \ - : "r" ((USItype) (u)), \ - "r" ((USItype) (v))); \ - (w0) = __g1; \ - } while (0) -#define udiv_qrnnd(__q, __r, __n1, __n0, __d) \ - __asm__ ("mov\t%2,%%y\n\t" \ - "udiv\t%3,%4,%0\n\t" \ - "umul\t%0,%4,%1\n\t" \ - "sub\t%3,%1,%1" \ - : "=&r" ((USItype) (__q)), \ - "=&r" ((USItype) (__r)) \ - : "r" ((USItype) (__n1)), \ - "r" ((USItype) (__n0)), \ - "r" ((USItype) (__d))) -#else -#if defined (__sparc_v8__) -#define umul_ppmm(w1, w0, u, v) \ - __asm__ ("umul %2,%3,%1;rd %%y,%0" \ - : "=r" ((USItype) (w1)), \ - "=r" ((USItype) (w0)) \ - : "r" ((USItype) (u)), \ - "r" ((USItype) (v))) -#define udiv_qrnnd(__q, __r, __n1, __n0, __d) \ - __asm__ ("mov %2,%%y;nop;nop;nop;udiv %3,%4,%0;umul %0,%4,%1;sub %3,%1,%1"\ - : "=&r" ((USItype) (__q)), \ - "=&r" ((USItype) (__r)) \ - : "r" ((USItype) (__n1)), \ - "r" ((USItype) (__n0)), \ - "r" ((USItype) (__d))) -#else -#if defined (__sparclite__) -/* This has hardware multiply but not divide. It also has two additional - instructions scan (ffs from high bit) and divscc. */ -#define umul_ppmm(w1, w0, u, v) \ - __asm__ ("umul %2,%3,%1;rd %%y,%0" \ - : "=r" ((USItype) (w1)), \ - "=r" ((USItype) (w0)) \ - : "r" ((USItype) (u)), \ - "r" ((USItype) (v))) -#define udiv_qrnnd(q, r, n1, n0, d) \ - __asm__ ("! Inlined udiv_qrnnd\n" \ -" wr %%g0,%2,%%y ! Not a delayed write for sparclite\n" \ -" tst %%g0\n" \ -" divscc %3,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%%g1\n" \ -" divscc %%g1,%4,%0\n" \ -" rd %%y,%1\n" \ -" bl,a 1f\n" \ -" add %1,%4,%1\n" \ -"1: ! End of inline udiv_qrnnd" \ - : "=r" ((USItype) (q)), \ - "=r" ((USItype) (r)) \ - : "r" ((USItype) (n1)), \ - "r" ((USItype) (n0)), \ - "rI" ((USItype) (d)) \ - : "g1" __AND_CLOBBER_CC) -#define UDIV_TIME 37 -#define count_leading_zeros(count, x) \ - do { \ - __asm__ ("scan %1,1,%0" \ - : "=r" ((USItype) (count)) \ - : "r" ((USItype) (x))); \ - } while (0) -/* Early sparclites return 63 for an argument of 0, but they warn that future - implementations might change this. Therefore, leave COUNT_LEADING_ZEROS_0 - undefined. */ -#else -/* SPARC without integer multiplication and divide instructions. - (i.e. at least Sun4/20,40,60,65,75,110,260,280,330,360,380,470,490) */ -#define umul_ppmm(w1, w0, u, v) \ - __asm__ ("! Inlined umul_ppmm\n" \ -" wr %%g0,%2,%%y ! SPARC has 0-3 delay insn after a wr\n"\ -" sra %3,31,%%o5 ! Don't move this insn\n" \ -" and %2,%%o5,%%o5 ! Don't move this insn\n" \ -" andcc %%g0,0,%%g1 ! Don't move this insn\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,%3,%%g1\n" \ -" mulscc %%g1,0,%%g1\n" \ -" add %%g1,%%o5,%0\n" \ -" rd %%y,%1" \ - : "=r" ((USItype) (w1)), \ - "=r" ((USItype) (w0)) \ - : "%rI" ((USItype) (u)), \ - "r" ((USItype) (v)) \ - : "g1", "o5" __AND_CLOBBER_CC) -#define UMUL_TIME 39 /* 39 instructions */ -/* It's quite necessary to add this much assembler for the sparc. - The default udiv_qrnnd (in C) is more than 10 times slower! */ -#define udiv_qrnnd(__q, __r, __n1, __n0, __d) \ - __asm__ ("! Inlined udiv_qrnnd\n" \ -" mov 32,%%g1\n" \ -" subcc %1,%2,%%g0\n" \ -"1: bcs 5f\n" \ -" addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb\n" \ -" sub %1,%2,%1 ! this kills msb of n\n" \ -" addx %1,%1,%1 ! so this can't give carry\n" \ -" subcc %%g1,1,%%g1\n" \ -"2: bne 1b\n" \ -" subcc %1,%2,%%g0\n" \ -" bcs 3f\n" \ -" addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb\n" \ -" b 3f\n" \ -" sub %1,%2,%1 ! this kills msb of n\n" \ -"4: sub %1,%2,%1\n" \ -"5: addxcc %1,%1,%1\n" \ -" bcc 2b\n" \ -" subcc %%g1,1,%%g1\n" \ -"! Got carry from n. Subtract next step to cancel this carry.\n" \ -" bne 4b\n" \ -" addcc %0,%0,%0 ! shift n1n0 and a 0-bit in lsb\n" \ -" sub %1,%2,%1\n" \ -"3: xnor %0,0,%0\n" \ -" ! End of inline udiv_qrnnd" \ - : "=&r" ((USItype) (__q)), \ - "=&r" ((USItype) (__r)) \ - : "r" ((USItype) (__d)), \ - "1" ((USItype) (__n1)), \ - "0" ((USItype) (__n0)) : "g1" __AND_CLOBBER_CC) -#define UDIV_TIME (3+7*32) /* 7 instructions/iteration. 32 iterations. */ -#endif /* __sparclite__ */ -#endif /* __sparc_v8__ */ -#endif /* __sparc_v9__ */ -#endif /* sparc32 */ - -#if ((defined (__sparc__) && defined (__arch64__)) || defined (__sparcv9)) \ - && W_TYPE_SIZE == 64 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - do { \ - UDItype __carry = 0; \ - __asm__ ("addcc\t%r5,%6,%1\n\t" \ - "add\t%r3,%4,%0\n\t" \ - "movcs\t%%xcc, 1, %2\n\t" \ - "add\t%0, %2, %0" \ - : "=r" ((UDItype)(sh)), \ - "=&r" ((UDItype)(sl)), \ - "+r" (__carry) \ - : "%rJ" ((UDItype)(ah)), \ - "rI" ((UDItype)(bh)), \ - "%rJ" ((UDItype)(al)), \ - "rI" ((UDItype)(bl)) \ - __CLOBBER_CC); \ - } while (0) - -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - do { \ - UDItype __carry = 0; \ - __asm__ ("subcc\t%r5,%6,%1\n\t" \ - "sub\t%r3,%4,%0\n\t" \ - "movcs\t%%xcc, 1, %2\n\t" \ - "sub\t%0, %2, %0" \ - : "=r" ((UDItype)(sh)), \ - "=&r" ((UDItype)(sl)), \ - "+r" (__carry) \ - : "%rJ" ((UDItype)(ah)), \ - "rI" ((UDItype)(bh)), \ - "%rJ" ((UDItype)(al)), \ - "rI" ((UDItype)(bl)) \ - __CLOBBER_CC); \ - } while (0) - -#define umul_ppmm(wh, wl, u, v) \ - do { \ - UDItype tmp1, tmp2, tmp3, tmp4; \ - __asm__ __volatile__ ( \ - "srl %7,0,%3\n\t" \ - "mulx %3,%6,%1\n\t" \ - "srlx %6,32,%2\n\t" \ - "mulx %2,%3,%4\n\t" \ - "sllx %4,32,%5\n\t" \ - "srl %6,0,%3\n\t" \ - "sub %1,%5,%5\n\t" \ - "srlx %5,32,%5\n\t" \ - "addcc %4,%5,%4\n\t" \ - "srlx %7,32,%5\n\t" \ - "mulx %3,%5,%3\n\t" \ - "mulx %2,%5,%5\n\t" \ - "sethi %%hi(0x80000000),%2\n\t" \ - "addcc %4,%3,%4\n\t" \ - "srlx %4,32,%4\n\t" \ - "add %2,%2,%2\n\t" \ - "movcc %%xcc,%%g0,%2\n\t" \ - "addcc %5,%4,%5\n\t" \ - "sllx %3,32,%3\n\t" \ - "add %1,%3,%1\n\t" \ - "add %5,%2,%0" \ - : "=r" ((UDItype)(wh)), \ - "=&r" ((UDItype)(wl)), \ - "=&r" (tmp1), "=&r" (tmp2), "=&r" (tmp3), "=&r" (tmp4) \ - : "r" ((UDItype)(u)), \ - "r" ((UDItype)(v)) \ - __CLOBBER_CC); \ - } while (0) -#define UMUL_TIME 96 -#define UDIV_TIME 230 -#endif /* sparc64 */ - -#if defined (__vax__) && W_TYPE_SIZE == 32 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("addl2 %5,%1\n\tadwc %3,%0" \ - : "=g" ((USItype) (sh)), \ - "=&g" ((USItype) (sl)) \ - : "%0" ((USItype) (ah)), \ - "g" ((USItype) (bh)), \ - "%1" ((USItype) (al)), \ - "g" ((USItype) (bl))) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("subl2 %5,%1\n\tsbwc %3,%0" \ - : "=g" ((USItype) (sh)), \ - "=&g" ((USItype) (sl)) \ - : "0" ((USItype) (ah)), \ - "g" ((USItype) (bh)), \ - "1" ((USItype) (al)), \ - "g" ((USItype) (bl))) -#define umul_ppmm(xh, xl, m0, m1) \ - do { \ - union { \ - UDItype __ll; \ - struct {USItype __l, __h;} __i; \ - } __xx; \ - USItype __m0 = (m0), __m1 = (m1); \ - __asm__ ("emul %1,%2,$0,%0" \ - : "=r" (__xx.__ll) \ - : "g" (__m0), \ - "g" (__m1)); \ - (xh) = __xx.__i.__h; \ - (xl) = __xx.__i.__l; \ - (xh) += ((((SItype) __m0 >> 31) & __m1) \ - + (((SItype) __m1 >> 31) & __m0)); \ - } while (0) -#define sdiv_qrnnd(q, r, n1, n0, d) \ - do { \ - union {DItype __ll; \ - struct {SItype __l, __h;} __i; \ - } __xx; \ - __xx.__i.__h = n1; __xx.__i.__l = n0; \ - __asm__ ("ediv %3,%2,%0,%1" \ - : "=g" (q), "=g" (r) \ - : "g" (__xx.__ll), "g" (d)); \ - } while (0) -#endif /* __vax__ */ - -#ifdef _TMS320C6X -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - do \ - { \ - UDItype __ll; \ - __asm__ ("addu .l1 %1, %2, %0" \ - : "=a" (__ll) : "a" (al), "a" (bl)); \ - (sl) = (USItype)__ll; \ - (sh) = ((USItype)(__ll >> 32)) + (ah) + (bh); \ - } \ - while (0) - -#ifdef _TMS320C6400_PLUS -#define __umulsidi3(u,v) ((UDItype)(USItype)u*(USItype)v) -#define umul_ppmm(w1, w0, u, v) \ - do { \ - UDItype __x = (UDItype) (USItype) (u) * (USItype) (v); \ - (w1) = (USItype) (__x >> 32); \ - (w0) = (USItype) (__x); \ - } while (0) -#endif /* _TMS320C6400_PLUS */ - -#define count_leading_zeros(count, x) ((count) = __builtin_clz (x)) -#ifdef _TMS320C6400 -#define count_trailing_zeros(count, x) ((count) = __builtin_ctz (x)) -#endif -#define UMUL_TIME 4 -#define UDIV_TIME 40 -#endif /* _TMS320C6X */ - -#if defined (__xtensa__) && W_TYPE_SIZE == 32 -/* This code is not Xtensa-configuration-specific, so rely on the compiler - to expand builtin functions depending on what configuration features - are available. This avoids library calls when the operation can be - performed in-line. */ -#define umul_ppmm(w1, w0, u, v) \ - do { \ - DWunion __w; \ - __w.ll = __builtin_umulsidi3 (u, v); \ - w1 = __w.s.high; \ - w0 = __w.s.low; \ - } while (0) -#define __umulsidi3(u, v) __builtin_umulsidi3 (u, v) -#define count_leading_zeros(COUNT, X) ((COUNT) = __builtin_clz (X)) -#define count_trailing_zeros(COUNT, X) ((COUNT) = __builtin_ctz (X)) -#endif /* __xtensa__ */ - -#if defined xstormy16 -extern UHItype __stormy16_count_leading_zeros (UHItype); -#define count_leading_zeros(count, x) \ - do \ - { \ - UHItype size; \ - \ - /* We assume that W_TYPE_SIZE is a multiple of 16... */ \ - for ((count) = 0, size = W_TYPE_SIZE; size; size -= 16) \ - { \ - UHItype c; \ - \ - c = __clzhi2 ((x) >> (size - 16)); \ - (count) += c; \ - if (c != 16) \ - break; \ - } \ - } \ - while (0) -#define COUNT_LEADING_ZEROS_0 W_TYPE_SIZE -#endif - -#if defined (__z8000__) && W_TYPE_SIZE == 16 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("add %H1,%H5\n\tadc %H0,%H3" \ - : "=r" ((unsigned int)(sh)), \ - "=&r" ((unsigned int)(sl)) \ - : "%0" ((unsigned int)(ah)), \ - "r" ((unsigned int)(bh)), \ - "%1" ((unsigned int)(al)), \ - "rQR" ((unsigned int)(bl))) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("sub %H1,%H5\n\tsbc %H0,%H3" \ - : "=r" ((unsigned int)(sh)), \ - "=&r" ((unsigned int)(sl)) \ - : "0" ((unsigned int)(ah)), \ - "r" ((unsigned int)(bh)), \ - "1" ((unsigned int)(al)), \ - "rQR" ((unsigned int)(bl))) -#define umul_ppmm(xh, xl, m0, m1) \ - do { \ - union {long int __ll; \ - struct {unsigned int __h, __l;} __i; \ - } __xx; \ - unsigned int __m0 = (m0), __m1 = (m1); \ - __asm__ ("mult %S0,%H3" \ - : "=r" (__xx.__i.__h), \ - "=r" (__xx.__i.__l) \ - : "%1" (__m0), \ - "rQR" (__m1)); \ - (xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \ - (xh) += ((((signed int) __m0 >> 15) & __m1) \ - + (((signed int) __m1 >> 15) & __m0)); \ - } while (0) -#endif /* __z8000__ */ - -#endif /* __GNUC__ */ - -/* If this machine has no inline assembler, use C macros. */ - -#if !defined (add_ssaaaa) -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - do { \ - UWtype __x; \ - __x = (al) + (bl); \ - (sh) = (ah) + (bh) + (__x < (al)); \ - (sl) = __x; \ - } while (0) -#endif - -#if !defined (sub_ddmmss) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - do { \ - UWtype __x; \ - __x = (al) - (bl); \ - (sh) = (ah) - (bh) - (__x > (al)); \ - (sl) = __x; \ - } while (0) -#endif - -/* If we lack umul_ppmm but have smul_ppmm, define umul_ppmm in terms of - smul_ppmm. */ -#if !defined (umul_ppmm) && defined (smul_ppmm) -#define umul_ppmm(w1, w0, u, v) \ - do { \ - UWtype __w1; \ - UWtype __xm0 = (u), __xm1 = (v); \ - smul_ppmm (__w1, w0, __xm0, __xm1); \ - (w1) = __w1 + (-(__xm0 >> (W_TYPE_SIZE - 1)) & __xm1) \ - + (-(__xm1 >> (W_TYPE_SIZE - 1)) & __xm0); \ - } while (0) -#endif - -/* If we still don't have umul_ppmm, define it using plain C. */ -#if !defined (umul_ppmm) -#define umul_ppmm(w1, w0, u, v) \ - do { \ - UWtype __x0, __x1, __x2, __x3; \ - UHWtype __ul, __vl, __uh, __vh; \ - \ - __ul = __ll_lowpart (u); \ - __uh = __ll_highpart (u); \ - __vl = __ll_lowpart (v); \ - __vh = __ll_highpart (v); \ - \ - __x0 = (UWtype) __ul * __vl; \ - __x1 = (UWtype) __ul * __vh; \ - __x2 = (UWtype) __uh * __vl; \ - __x3 = (UWtype) __uh * __vh; \ - \ - __x1 += __ll_highpart (__x0);/* this can't give carry */ \ - __x1 += __x2; /* but this indeed can */ \ - if (__x1 < __x2) /* did we get it? */ \ - __x3 += __ll_B; /* yes, add it in the proper pos. */ \ - \ - (w1) = __x3 + __ll_highpart (__x1); \ - (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0); \ - } while (0) -#endif - -#if !defined (__umulsidi3) -#define __umulsidi3(u, v) \ - ({DWunion __w; \ - umul_ppmm (__w.s.high, __w.s.low, u, v); \ - __w.ll; }) -#endif - -/* Define this unconditionally, so it can be used for debugging. */ -#define __udiv_qrnnd_c(q, r, n1, n0, d) \ - do { \ - UWtype __d1, __d0, __q1, __q0; \ - UWtype __r1, __r0, __m; \ - __d1 = __ll_highpart (d); \ - __d0 = __ll_lowpart (d); \ - \ - __r1 = (n1) % __d1; \ - __q1 = (n1) / __d1; \ - __m = (UWtype) __q1 * __d0; \ - __r1 = __r1 * __ll_B | __ll_highpart (n0); \ - if (__r1 < __m) \ - { \ - __q1--, __r1 += (d); \ - if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */\ - if (__r1 < __m) \ - __q1--, __r1 += (d); \ - } \ - __r1 -= __m; \ - \ - __r0 = __r1 % __d1; \ - __q0 = __r1 / __d1; \ - __m = (UWtype) __q0 * __d0; \ - __r0 = __r0 * __ll_B | __ll_lowpart (n0); \ - if (__r0 < __m) \ - { \ - __q0--, __r0 += (d); \ - if (__r0 >= (d)) \ - if (__r0 < __m) \ - __q0--, __r0 += (d); \ - } \ - __r0 -= __m; \ - \ - (q) = (UWtype) __q1 * __ll_B | __q0; \ - (r) = __r0; \ - } while (0) - -/* If the processor has no udiv_qrnnd but sdiv_qrnnd, go through - __udiv_w_sdiv (defined in libgcc or elsewhere). */ -#if !defined (udiv_qrnnd) && defined (sdiv_qrnnd) -#define udiv_qrnnd(q, r, nh, nl, d) \ - do { \ - extern UWtype __udiv_w_sdiv (UWtype *, UWtype, UWtype, UWtype); \ - UWtype __r; \ - (q) = __udiv_w_sdiv (&__r, nh, nl, d); \ - (r) = __r; \ - } while (0) -#endif - -/* If udiv_qrnnd was not defined for this processor, use __udiv_qrnnd_c. */ -#if !defined (udiv_qrnnd) -#define UDIV_NEEDS_NORMALIZATION 1 -#define udiv_qrnnd __udiv_qrnnd_c -#endif - -#if !defined (count_leading_zeros) -#define count_leading_zeros(count, x) \ - do { \ - UWtype __xr = (x); \ - UWtype __a; \ - \ - if (W_TYPE_SIZE <= 32) \ - { \ - __a = __xr < ((UWtype)1<<2*__BITS4) \ - ? (__xr < ((UWtype)1<<__BITS4) ? 0 : __BITS4) \ - : (__xr < ((UWtype)1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \ - } \ - else \ - { \ - for (__a = W_TYPE_SIZE - 8; __a > 0; __a -= 8) \ - if (((__xr >> __a) & 0xff) != 0) \ - break; \ - } \ - \ - (count) = W_TYPE_SIZE - (__clz_tab[__xr >> __a] + __a); \ - } while (0) -#define COUNT_LEADING_ZEROS_0 W_TYPE_SIZE -#endif - -#if !defined (count_trailing_zeros) -/* Define count_trailing_zeros using count_leading_zeros. The latter might be - defined in asm, but if it is not, the C version above is good enough. */ -#define count_trailing_zeros(count, x) \ - do { \ - UWtype __ctz_x = (x); \ - UWtype __ctz_c; \ - count_leading_zeros (__ctz_c, __ctz_x & -__ctz_x); \ - (count) = W_TYPE_SIZE - 1 - __ctz_c; \ - } while (0) -#endif - -#ifndef UDIV_NEEDS_NORMALIZATION -#define UDIV_NEEDS_NORMALIZATION 0 -#endif diff --git a/stdlib/memalignment.c b/stdlib/memalignment.c new file mode 100644 index 0000000..fb3eef9 --- /dev/null +++ b/stdlib/memalignment.c @@ -0,0 +1,27 @@ +/* Return the alignment of a pointer. + Copyright (C) 2025 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <stdlib.h> + +/* Return the alignment of P. */ +size_t +memalignment (const void *p) +{ + size_t i = (size_t) p; + return i & -i; +} diff --git a/stdlib/mod_1.c b/stdlib/mod_1.c index a4d81d4..a95051d 100644 --- a/stdlib/mod_1.c +++ b/stdlib/mod_1.c @@ -22,8 +22,8 @@ along with the GNU MP Library; see the file COPYING.LIB. If not, see <https://www.gnu.org/licenses/>. */ #include <gmp.h> +#include <stdbit.h> #include "gmp-impl.h" -#include "longlong.h" #ifndef UMUL_TIME #define UMUL_TIME 1 @@ -58,9 +58,7 @@ mpn_mod_1 (mp_srcptr dividend_ptr, mp_size_t dividend_size, if (UDIV_TIME > (2 * UMUL_TIME + 6) && (UDIV_TIME - (2 * UMUL_TIME + 6)) * dividend_size > UDIV_TIME) { - int normalization_steps; - - count_leading_zeros (normalization_steps, divisor_limb); + int normalization_steps = stdc_leading_zeros (divisor_limb); if (normalization_steps != 0) { mp_limb_t divisor_limb_inverted; @@ -137,9 +135,7 @@ mpn_mod_1 (mp_srcptr dividend_ptr, mp_size_t dividend_size, { if (UDIV_NEEDS_NORMALIZATION) { - int normalization_steps; - - count_leading_zeros (normalization_steps, divisor_limb); + int normalization_steps = stdc_leading_zeros (divisor_limb); if (normalization_steps != 0) { divisor_limb <<= normalization_steps; diff --git a/stdlib/mp_clz_tab.c b/stdlib/mp_clz_tab.c deleted file mode 100644 index 9084298..0000000 --- a/stdlib/mp_clz_tab.c +++ /dev/null @@ -1,36 +0,0 @@ -/* __clz_tab -- support for longlong.h - Copyright (C) 1991-2025 Free Software Foundation, Inc. - This file is part of the GNU C Library. Its master source is NOT part of - the C library, however. The master source lives in the GNU MP Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <https://www.gnu.org/licenses/>. */ - -#if 0 -#include <gmp.h> -#include "gmp-impl.h" -#endif - -const -unsigned char __clz_tab[] = -{ - 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, - 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, -}; diff --git a/stdlib/mul_1.c b/stdlib/mul_1.c index 225b491..e53fbea 100644 --- a/stdlib/mul_1.c +++ b/stdlib/mul_1.c @@ -21,7 +21,6 @@ along with the GNU MP Library; see the file COPYING.LIB. If not, see #include <gmp.h> #include "gmp-impl.h" -#include "longlong.h" mp_limb_t mpn_mul_1 (register mp_ptr res_ptr, register mp_srcptr s1_ptr, diff --git a/stdlib/secure-getenv.c b/stdlib/secure-getenv.c index a2408a3..b16efcb 100644 --- a/stdlib/secure-getenv.c +++ b/stdlib/secure-getenv.c @@ -29,7 +29,7 @@ __libc_secure_getenv (const char *name) return __libc_enable_secure ? NULL : getenv (name); } weak_alias (__libc_secure_getenv, secure_getenv) -libc_hidden_weak (__libc_secure_getenv) +libc_hidden_def (__libc_secure_getenv) #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_17) compat_symbol (libc, __libc_secure_getenv, __secure_getenv, GLIBC_2_0); diff --git a/stdlib/setenv.c b/stdlib/setenv.c index 0ef5dde..2b8b6ca 100644 --- a/stdlib/setenv.c +++ b/stdlib/setenv.c @@ -21,14 +21,6 @@ #include <assert.h> #include <setenv.h> - -/* Pacify GCC; see the commentary about VALLEN below. This is needed - at least through GCC 4.9.2. Pacify GCC for the entire file, as - there seems to be no way to pacify GCC selectively, only for the - place where it's needed. Do not use DIAG_IGNORE_NEEDS_COMMENT - here, as it's not defined yet. */ -#pragma GCC diagnostic ignored "-Wmaybe-uninitialized" - #include <errno.h> #if !_LIBC # if !defined errno && !defined HAVE_ERRNO_DECL @@ -147,10 +139,8 @@ __add_to_environ (const char *name, const char *value, const char *combined, { /* Compute lengths before locking, so that the critical section is less of a performance bottleneck. VALLEN is needed only if - COMBINED is null (unfortunately GCC is not smart enough to deduce - this; see the #pragma at the start of this file). Testing - COMBINED instead of VALUE causes setenv (..., NULL, ...) to dump - core now instead of corrupting memory later. */ + COMBINED is null. Testing COMBINED instead of VALUE causes setenv + (..., NULL, ...) to dump core now instead of corrupting memory later. */ const size_t namelen = strlen (name); size_t vallen; if (combined == NULL) diff --git a/stdlib/setenv.h b/stdlib/setenv.h index 7cbf9f2..aed97ef 100644 --- a/stdlib/setenv.h +++ b/stdlib/setenv.h @@ -61,7 +61,7 @@ __environ_is_from_array_list (char **ep) but given that counter wrapround is probably impossible to hit (2**32 operations in unsetenv concurrently with getenv), using <atomic_wide_counter.h> seems unnecessary. */ -#if __HAVE_64B_ATOMICS +#if USE_64B_ATOMICS typedef uint64_t environ_counter; #else typedef uint32_t environ_counter; diff --git a/stdlib/stdint.h b/stdlib/stdint.h index 3ec1bc4..814718a 100644 --- a/stdlib/stdint.h +++ b/stdlib/stdint.h @@ -28,6 +28,10 @@ #include <bits/wchar.h> #include <bits/wordsize.h> +#if __GLIBC_USE (ISOC23) +# define __STDC_VERSION_STDINT_H__ 202311L +#endif + /* Exact integral types. */ /* Signed. */ @@ -91,6 +95,8 @@ typedef __intmax_t intmax_t; typedef __uintmax_t uintmax_t; +# undef __INT64_C +# undef __UINT64_C # if __WORDSIZE == 64 # define __INT64_C(c) c ## L # define __UINT64_C(c) c ## UL diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h index 975f5ae..a1ea003 100644 --- a/stdlib/stdlib.h +++ b/stdlib/stdlib.h @@ -35,6 +35,10 @@ __BEGIN_DECLS #define _STDLIB_H 1 +#if __GLIBC_USE (ISOC23) +# define __STDC_VERSION_STDLIB_H__ 202311L +#endif + #if (defined __USE_XOPEN || defined __USE_XOPEN2K8) && !defined _SYS_WAIT_H /* XPG requires a few symbols from <sys/wait.h> being defined. */ # include <bits/waitflags.h> @@ -686,6 +690,24 @@ extern void *realloc (void *__ptr, size_t __size) /* Free a block allocated by `malloc', `realloc' or `calloc'. */ extern void free (void *__ptr) __THROW; +#if __GLIBC_USE(ISOC23) +/* Free a block allocated by `malloc', `realloc' or `calloc' but not + `aligned_alloc', `memalign', `posix_memalign', `valloc' or + `pvalloc'. SIZE must be equal to the original requested size + provided to `malloc', `realloc' or `calloc'. For `calloc' SIZE is + NMEMB elements * SIZE bytes. It is forbidden to call `free_sized' + for allocations which the caller did not directly allocate but + must still deallocate, such as `strdup' or `strndup'. Instead + continue using `free` for these cases. */ +extern void free_sized (void *__ptr, size_t __size) __THROW; + +/* Free a block allocated by `aligned_alloc', `memalign' or + `posix_memalign'. ALIGNMENT and SIZE must be the same as the values + provided to `aligned_alloc', `memalign' or `posix_memalign'. */ +extern void free_aligned_sized (void *__ptr, size_t __alignment, size_t __size) + __THROW; +#endif + #ifdef __USE_MISC /* Re-allocate the previously allocated block in PTR, making the new block large enough for NMEMB elements of SIZE bytes each. */ @@ -965,6 +987,12 @@ extern void *bsearch (const void *__key, const void *__base, # include <bits/stdlib-bsearch.h> #endif +#if __GLIBC_USE (ISOC23) && defined __glibc_const_generic && !defined _LIBC +# define bsearch(KEY, BASE, NMEMB, SIZE, COMPAR) \ + __glibc_const_generic (BASE, const void *, \ + bsearch (KEY, BASE, NMEMB, SIZE, COMPAR)) +#endif + /* Sort NMEMB elements of BASE, of SIZE bytes each, using COMPAR to perform the comparisons. */ extern void qsort (void *__base, size_t __nmemb, size_t __size, @@ -985,6 +1013,12 @@ __extension__ extern long long int llabs (long long int __x) __THROW __attribute__ ((__const__)) __wur; #endif +#if __GLIBC_USE (ISOC2Y) +extern unsigned int uabs (int __x) __THROW __attribute__ ((__const__)) __wur; +extern unsigned long int ulabs (long int __x) __THROW __attribute__ ((__const__)) __wur; +__extension__ extern unsigned long long int ullabs (long long int __x) + __THROW __attribute__ ((__const__)) __wur; +#endif /* Return the `div_t', `ldiv_t' or `lldiv_t' representation of the value of NUMER over DENOM. */ @@ -1152,6 +1186,19 @@ extern int getloadavg (double __loadavg[], int __nelem) extern int ttyslot (void) __THROW; #endif +#if __GLIBC_USE (ISOC23) +# ifndef __cplusplus +# include <bits/types/once_flag.h> + +/* Call function __FUNC exactly once, even if invoked from several threads. + All calls must be made with the same __FLAGS object. */ +extern void call_once (once_flag *__flag, void (*__func)(void)); +# endif /* !__cplusplus */ + +/* Return the alignment of P. */ +extern size_t memalignment (const void *__p); +#endif + #include <bits/stdlib-float.h> /* Define some macros helping to catch buffer overflows. */ diff --git a/stdlib/strtod_l.c b/stdlib/strtod_l.c index f9572b9..3988049 100644 --- a/stdlib/strtod_l.c +++ b/stdlib/strtod_l.c @@ -72,6 +72,7 @@ extern double ____strtod_l_internal (const char *, char **, int, locale_t); #include <stdint.h> #include <rounding-mode.h> #include <tininess.h> +#include <stdbit.h> /* The gmp headers need some configuration frobs. */ #define HAVE_ALLOCA 1 @@ -81,7 +82,6 @@ extern double ____strtod_l_internal (const char *, char **, int, locale_t); #include <gmp-mparam.h> #include <gmp.h> #include "gmp-impl.h" -#include "longlong.h" #include "fpioconst.h" #include <assert.h> @@ -1247,7 +1247,7 @@ ____STRTOF_INTERNAL (const STRING_TYPE *nptr, STRING_TYPE **endptr, int group, } /* Determine how many bits of the result we already have. */ - count_leading_zeros (bits, num[numsize - 1]); + bits = stdc_leading_zeros (num[numsize - 1]); bits = numsize * BITS_PER_MP_LIMB - bits; /* Now we know the exponent of the number in base two. @@ -1465,7 +1465,8 @@ ____STRTOF_INTERNAL (const STRING_TYPE *nptr, STRING_TYPE **endptr, int group, |--- n ---| */ - count_leading_zeros (cnt, den[densize - 1]); + cnt = stdc_leading_zeros (den[densize - 1]); + if (cnt > 0) { @@ -1504,11 +1505,7 @@ ____STRTOF_INTERNAL (const STRING_TYPE *nptr, STRING_TYPE **endptr, int group, #define got_limb \ if (bits == 0) \ { \ - int cnt; \ - if (quot == 0) \ - cnt = BITS_PER_MP_LIMB; \ - else \ - count_leading_zeros (cnt, quot); \ + int cnt = stdc_leading_zeros (quot); \ exponent -= cnt; \ if (BITS_PER_MP_LIMB - cnt > MANT_DIG) \ { \ @@ -1788,7 +1785,7 @@ __STRTOF (const STRING_TYPE *nptr, STRING_TYPE **endptr, locale_t loc) libc_hidden_def (__STRTOF) libc_hidden_ver (__STRTOF, STRTOF) #endif -weak_alias (__STRTOF, STRTOF) +static_weak_alias (__STRTOF, STRTOF) #ifdef LONG_DOUBLE_COMPAT # if LONG_DOUBLE_COMPAT(libc, GLIBC_2_1) @@ -1812,18 +1809,18 @@ compat_symbol (libc, strtod_l, strtold_l, GLIBC_2_3); # undef strtof64_l # undef wcstof64_l # ifdef USE_WIDE_CHAR -weak_alias (wcstod_l, wcstof64_l) +weak_alias (__wcstod_l, wcstof64_l) # else -weak_alias (strtod_l, strtof64_l) +weak_alias (__strtod_l, strtof64_l) # endif # endif # if __HAVE_FLOAT32X && !__HAVE_DISTINCT_FLOAT32X # undef strtof32x_l # undef wcstof32x_l # ifdef USE_WIDE_CHAR -weak_alias (wcstod_l, wcstof32x_l) +weak_alias (__wcstod_l, wcstof32x_l) # else -weak_alias (strtod_l, strtof32x_l) +weak_alias (__strtod_l, strtof32x_l) # endif # endif #endif diff --git a/stdlib/strtof_l.c b/stdlib/strtof_l.c index 2ec5f57..966db79 100644 --- a/stdlib/strtof_l.c +++ b/stdlib/strtof_l.c @@ -47,8 +47,8 @@ extern float ____strtof_l_internal (const char *, char **, int, locale_t); # undef strtof32_l # undef wcstof32_l # ifdef USE_WIDE_CHAR -weak_alias (wcstof_l, wcstof32_l) +weak_alias (__wcstof_l, wcstof32_l) # else -weak_alias (strtof_l, strtof32_l) +weak_alias (__strtof_l, strtof32_l) # endif #endif diff --git a/stdlib/strtol.c b/stdlib/strtol.c index 155bfe1..5b4e9d1 100644 --- a/stdlib/strtol.c +++ b/stdlib/strtol.c @@ -117,7 +117,7 @@ __strtol (const STRING_TYPE *nptr, STRING_TYPE **endptr, int base) return INTERNAL (__strtol_l) (nptr, endptr, base, 0, false, _NL_CURRENT_LOCALE); } -weak_alias (__strtol, strtol) +static_weak_alias (__strtol, strtol) libc_hidden_weak (strtol) INT diff --git a/stdlib/submul_1.c b/stdlib/submul_1.c index 3eb4d01..31a6d4b 100644 --- a/stdlib/submul_1.c +++ b/stdlib/submul_1.c @@ -23,7 +23,6 @@ along with the GNU MP Library; see the file COPYING.LIB. If not, see #include <gmp.h> #include "gmp-impl.h" -#include "longlong.h" mp_limb_t mpn_submul_1 (register mp_ptr res_ptr, register mp_srcptr s1_ptr, diff --git a/stdlib/test-bz22786.c b/stdlib/test-bz22786.c index e2dbae7..3db8590 100644 --- a/stdlib/test-bz22786.c +++ b/stdlib/test-bz22786.c @@ -60,8 +60,11 @@ do_test (void) *(p++) = '/'; p[path_len - (p - path) - 1] = '\0'; - /* This call crashes before the fix for bz22786 on 32-bit platforms. */ + /* This call crashes before the fix for bz22786 on 32-bit platforms. + It may trigger an OOM event. */ + support_accept_oom (true); p = realpath (path, NULL); + support_accept_oom (false); TEST_VERIFY (p == NULL); /* For 64-bit platforms readlink return ENAMETOOLONG, while for 32-bit realpath will try to allocate a buffer larger than PTRDIFF_MAX. */ diff --git a/stdlib/test-canon.c b/stdlib/test-canon.c index 51b0af1..51ac60d 100644 --- a/stdlib/test-canon.c +++ b/stdlib/test-canon.c @@ -165,7 +165,7 @@ do_test (int argc, char ** argv) int has_dir = mkdir ("doesExist", 0777) == 0; - int fd = has_dir ? creat ("doesExist/someFile", 0777) : -1; + int fd = has_dir ? creat ("doesExist/someFile", 0666) : -1; for (i = 0; i < (int) (sizeof (tests) / sizeof (tests[0])); ++i) { diff --git a/stdlib/tst-const.c b/stdlib/tst-const.c new file mode 100644 index 0000000..89662fd --- /dev/null +++ b/stdlib/tst-const.c @@ -0,0 +1,55 @@ +/* Test bsearch const-generic macro. + Copyright (C) 2025 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <stdlib.h> +#include <libc-diag.h> + +void *vp; +const void *cvp; +int *ip; +const int *cip; +size_t sz; +int (*compar) (const void *, const void *); + +#define CHECK_TYPE(EXPR, TYPE) \ + _Static_assert (_Generic (EXPR, TYPE: 1), "type check") + +static int +do_test (void) +{ + /* This is a compilation test. */ + CHECK_TYPE (bsearch (cvp, cvp, sz, sz, compar), const void *); + CHECK_TYPE (bsearch (cvp, vp, sz, sz, compar), void *); + CHECK_TYPE (bsearch (vp, cvp, sz, sz, compar), const void *); + CHECK_TYPE (bsearch (vp, vp, sz, sz, compar), void *); + CHECK_TYPE (bsearch (cvp, cip, sz, sz, compar), const void *); + CHECK_TYPE (bsearch (cvp, ip, sz, sz, compar), void *); + CHECK_TYPE (bsearch (vp, cip, sz, sz, compar), const void *); + CHECK_TYPE (bsearch (vp, ip, sz, sz, compar), void *); + DIAG_PUSH_NEEDS_COMMENT; + /* This deliberately tests the type of the result with a null + pointer constant argument. */ + DIAG_IGNORE_NEEDS_COMMENT (14, "-Wnonnull"); + CHECK_TYPE (bsearch (cvp, 0, sz, sz, compar), void *); + CHECK_TYPE (bsearch (cvp, (void *) 0, sz, sz, compar), void *); + DIAG_POP_NEEDS_COMMENT; + CHECK_TYPE ((bsearch) (cvp, cvp, sz, sz, compar), void *); + return 0; +} + +#include <support/test-driver.c> diff --git a/stdlib/tst-memalignment.c b/stdlib/tst-memalignment.c new file mode 100644 index 0000000..518b83c --- /dev/null +++ b/stdlib/tst-memalignment.c @@ -0,0 +1,43 @@ +/* Test memalignment. + Copyright (C) 2025 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <stdlib.h> +#include <array_length.h> +#include <support/check.h> + +static int +do_test (void) +{ + void *null = NULL; + TEST_COMPARE (memalignment (NULL), 0); + TEST_COMPARE (memalignment (null), 0); + char ca[256]; + array_foreach (p, ca) + TEST_VERIFY (memalignment (p) >= 1); + TEST_VERIFY (memalignment (&ca[0]) == 1 || memalignment (&ca[1]) == 1); + TEST_VERIFY (memalignment (&ca[0]) == 2 || memalignment (&ca[1]) == 2 + || memalignment (&ca[2]) == 2 || memalignment (&ca[3]) == 2); + long long int lla[256]; + array_foreach (p, lla) + TEST_VERIFY (memalignment (p) >= _Alignof (long long int)); + TEST_VERIFY (memalignment (&lla[0]) <= sizeof (long long int) + || memalignment (&lla[1]) <= sizeof (long long int)); + return 0; +} + +#include <support/test-driver.c> diff --git a/stdlib/tst-secure-getenv.c b/stdlib/tst-secure-getenv.c index 3fd1d23..c12c63a 100644 --- a/stdlib/tst-secure-getenv.c +++ b/stdlib/tst-secure-getenv.c @@ -57,13 +57,7 @@ do_test (void) exit (1); } - int status = support_capture_subprogram_self_sgid (MAGIC_ARGUMENT); - - if (WEXITSTATUS (status) == EXIT_UNSUPPORTED) - return EXIT_UNSUPPORTED; - - if (!WIFEXITED (status)) - FAIL_EXIT1 ("Unexpected exit status %d from child process\n", status); + support_capture_subprogram_self_sgid (MAGIC_ARGUMENT); return 0; } @@ -82,6 +76,7 @@ alternative_main (int argc, char **argv) if (secure_getenv ("PATH") != NULL) FAIL_EXIT (4, "PATH variable not filtered out\n"); + support_record_failure_barrier (); exit (EXIT_SUCCESS); } } diff --git a/stdlib/tst-uabs.c b/stdlib/tst-uabs.c new file mode 100644 index 0000000..13c9f58 --- /dev/null +++ b/stdlib/tst-uabs.c @@ -0,0 +1,45 @@ +/* Basic tests for uabs. + Copyright (C) 2025 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <limits.h> +#include <stdlib.h> + +#include <support/check.h> + +#define LARGE_PRIME 49999 + +static int do_test (void) +{ + int i; + + TEST_COMPARE (uabs (INT_MAX), INT_MAX); + TEST_COMPARE (uabs (INT_MIN), (unsigned int)INT_MAX + 1); + TEST_COMPARE (uabs (-1), 1); + TEST_COMPARE (uabs (0), 0); + TEST_COMPARE (uabs (1), 1); + + for (i = INT_MIN + 1; i < 0; i += LARGE_PRIME) + TEST_COMPARE (uabs (i), -i); + + for (i = 0; i < INT_MAX - LARGE_PRIME; i += LARGE_PRIME) + TEST_COMPARE (uabs (i), i); + + return EXIT_SUCCESS; +} + +#include <support/test-driver.c> diff --git a/stdlib/tst-uimaxabs.c b/stdlib/tst-uimaxabs.c new file mode 100644 index 0000000..78e7895 --- /dev/null +++ b/stdlib/tst-uimaxabs.c @@ -0,0 +1,55 @@ +/* Basic tests for uimaxabs (compat symbol). + Copyright (C) 2025 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <inttypes.h> +#include <limits.h> +#include <stdlib.h> + +#include <shlib-compat.h> +#include <support/check.h> + +extern uintmax_t uimaxabs (intmax_t); +compat_symbol_reference (libc, uimaxabs, uimaxabs, GLIBC_2_42); + +#define LARGE_PRIME 49999 + +static int do_test (void) +{ + intmax_t i; + + TEST_COMPARE (uimaxabs (INTMAX_MIN), (uintmax_t)INTMAX_MAX + 1); + TEST_COMPARE (uimaxabs (-1), 1); + TEST_COMPARE (uimaxabs (0), 0); + TEST_COMPARE (uimaxabs (1), 1); + + for (i = INTMAX_MIN + 1; i < INTMAX_MIN + INT_MAX; i += LARGE_PRIME) + TEST_COMPARE (uimaxabs (i), -i); + + for (i = INTMAX_MAX - INT_MAX; i < INTMAX_MAX - LARGE_PRIME; i += LARGE_PRIME) + TEST_COMPARE (uimaxabs (i), i); + + for (i = INT_MIN + 1; i < 0; i += LARGE_PRIME) + TEST_COMPARE (uimaxabs (i), -i); + + for (i = 0; i < INT_MAX; i += LARGE_PRIME) + TEST_COMPARE (uimaxabs (i), i); + + return EXIT_SUCCESS; +} + +#include <support/test-driver.c> diff --git a/stdlib/tst-ulabs.c b/stdlib/tst-ulabs.c new file mode 100644 index 0000000..3b5323e --- /dev/null +++ b/stdlib/tst-ulabs.c @@ -0,0 +1,52 @@ +/* Basic tests for ulabs. + Copyright (C) 2025 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <limits.h> +#include <stdlib.h> + +#include <support/check.h> + +#define LARGE_PRIME 49999 + +static int do_test (void) +{ + long int i; + + TEST_COMPARE (ulabs (LONG_MAX), LONG_MAX); + TEST_COMPARE (ulabs (LONG_MIN), (unsigned long int)LONG_MAX + 1); + TEST_COMPARE (ulabs (-1), 1); + TEST_COMPARE (ulabs (0), 0); + TEST_COMPARE (ulabs (1), 1); + + for (i = LONG_MIN + 1; i < LONG_MIN + INT_MAX; i += LARGE_PRIME) + TEST_COMPARE (ulabs (i), -i); + + for (i = LONG_MAX - INT_MAX; i < LONG_MAX - LARGE_PRIME; + i += LARGE_PRIME) + TEST_COMPARE (ulabs (i), i); + + for (i = INT_MIN + 1; i < 0; i += LARGE_PRIME) + TEST_COMPARE (ulabs (i), -i); + + for (i = 0; i <= INT_MAX - LARGE_PRIME; i += LARGE_PRIME) + TEST_COMPARE (ulabs (i), i); + + return EXIT_SUCCESS; +} + +#include <support/test-driver.c> diff --git a/stdlib/tst-ullabs.c b/stdlib/tst-ullabs.c new file mode 100644 index 0000000..ac34ec7 --- /dev/null +++ b/stdlib/tst-ullabs.c @@ -0,0 +1,55 @@ +/* Basic tests for ullabs. + Copyright (C) 2025 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <limits.h> +#include <stdlib.h> + +#include <support/check.h> + +#define LARGE_PRIME 49999 + +static int do_test (void) +{ + long long int i; + + TEST_COMPARE (ullabs (LLONG_MAX), LLONG_MAX); + TEST_COMPARE (ullabs (LLONG_MIN), (unsigned long long int)LLONG_MAX + 1); + TEST_COMPARE (ullabs (0x00000000ffffffffL), 0x00000000ffffffffL); + TEST_COMPARE (ullabs (0x0000000100000000L), 0x0000000100000000L); + TEST_COMPARE (ullabs (0x80000000ffffffffL), 0x7fffffff00000001L); + TEST_COMPARE (ullabs (0x8000000100000000L), 0x7fffffff00000000L); + TEST_COMPARE (ullabs (-1), 1); + TEST_COMPARE (ullabs (0), 0); + TEST_COMPARE (ullabs (1), 1); + + for (i = LLONG_MIN + 1; i < LLONG_MIN + INT_MAX; i += LARGE_PRIME) + TEST_COMPARE (ullabs (i), -i); + + for (i = LLONG_MAX - INT_MAX; i < LLONG_MAX - LARGE_PRIME; i += LARGE_PRIME) + TEST_COMPARE (ullabs (i), i); + + for (i = INT_MIN + 1; i < 0; i += LARGE_PRIME) + TEST_COMPARE (ullabs (i), -i); + + for (i = 0; i < INT_MAX; i += LARGE_PRIME) + TEST_COMPARE (ullabs (i), i); + + return EXIT_SUCCESS; +} + +#include <support/test-driver.c> diff --git a/stdlib/tst-umaxabs.c b/stdlib/tst-umaxabs.c new file mode 100644 index 0000000..af42fc7 --- /dev/null +++ b/stdlib/tst-umaxabs.c @@ -0,0 +1,51 @@ +/* Basic tests for umaxabs. + Copyright (C) 2025 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <inttypes.h> +#include <limits.h> +#include <stdlib.h> + +#include <support/check.h> + +#define LARGE_PRIME 49999 + +static int do_test (void) +{ + intmax_t i; + + TEST_COMPARE (umaxabs (INTMAX_MIN), (uintmax_t)INTMAX_MAX + 1); + TEST_COMPARE (umaxabs (-1), 1); + TEST_COMPARE (umaxabs (0), 0); + TEST_COMPARE (umaxabs (1), 1); + + for (i = INTMAX_MIN + 1; i < INTMAX_MIN + INT_MAX; i += LARGE_PRIME) + TEST_COMPARE (umaxabs (i), -i); + + for (i = INTMAX_MAX - INT_MAX; i < INTMAX_MAX - LARGE_PRIME; i += LARGE_PRIME) + TEST_COMPARE (umaxabs (i), i); + + for (i = INT_MIN + 1; i < 0; i += LARGE_PRIME) + TEST_COMPARE (umaxabs (i), -i); + + for (i = 0; i < INT_MAX; i += LARGE_PRIME) + TEST_COMPARE (umaxabs (i), i); + + return EXIT_SUCCESS; +} + +#include <support/test-driver.c> diff --git a/stdlib/uabs.c b/stdlib/uabs.c new file mode 100644 index 0000000..72aea5f --- /dev/null +++ b/stdlib/uabs.c @@ -0,0 +1,28 @@ +/* Copyright (C) 2025 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <stdlib.h> + +#undef uabs + +/* Return the absolute value of I. */ +unsigned int +uabs (int i) +{ + unsigned int j = i; + return i < 0 ? -j : i; +} diff --git a/stdlib/udiv_qrnnd.c b/stdlib/udiv_qrnnd.c deleted file mode 100644 index d32796c..0000000 --- a/stdlib/udiv_qrnnd.c +++ /dev/null @@ -1,10 +0,0 @@ -/* For some machines GNU MP needs to define an auxiliary function: - - udiv_qrnnd (quotient, remainder, high_numerator, low_numerator, denominator) - - Divides a two-word unsigned integer, composed by the integers - HIGH_NUMERATOR and LOW_NUMERATOR, by DENOMINATOR and places the quotient - in QUOTIENT and the remainder in REMAINDER. HIGH_NUMERATOR must be less - than DENOMINATOR for correct operation. If, in addition, the most - significant bit of DENOMINATOR must be 1, then the pre-processor symbol - UDIV_NEEDS_NORMALIZATION is defined to 1. */ diff --git a/stdlib/ulabs.c b/stdlib/ulabs.c new file mode 100644 index 0000000..6bede67 --- /dev/null +++ b/stdlib/ulabs.c @@ -0,0 +1,37 @@ +/* Copyright (C) 2025 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <limits.h> +#include <stdlib.h> +#include <shlib-compat.h> + +#undef ulabs + +/* Return the absolute value of I. */ +unsigned long int +ulabs (long int i) +{ + unsigned long int j = i; + return i < 0 ? -j : i; +} + +#if ULONG_MAX != UINT_MAX +weak_alias (ulabs, umaxabs) +# if SHLIB_COMPAT (libc, GLIBC_2_42, GLIBC_2_43) +compat_symbol (libc, ulabs, uimaxabs, GLIBC_2_42); +# endif +#endif diff --git a/stdlib/ullabs.c b/stdlib/ullabs.c new file mode 100644 index 0000000..c8d6d23 --- /dev/null +++ b/stdlib/ullabs.c @@ -0,0 +1,37 @@ +/* Copyright (C) 2025 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <limits.h> +#include <stdlib.h> +#include <shlib-compat.h> + +#undef ullabs + +/* Return the absolute value of I. */ +unsigned long long int +ullabs (long long int i) +{ + unsigned long long int j = i; + return i < 0 ? -j : i; +} + +#if ULONG_MAX == UINT_MAX +weak_alias (ullabs, umaxabs) +# if SHLIB_COMPAT (libc, GLIBC_2_42, GLIBC_2_43) +compat_symbol (libc, ullabs, uimaxabs, GLIBC_2_42); +# endif +#endif |