Overview
| Comment: | Check for and use __builtin_bswap{16,32,64} |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
2729104cf63dca383c5f6f7a96cbb627 |
| User & Date: | js on 2014-05-05 02:13:37 |
| Other Links: | manifest | tags |
Context
|
2014-05-05
| ||
| 02:43 | Add OF_NO_RETURN and OF_UNREACHABLE check-in: b885b6fdfa user: js tags: trunk | |
| 02:13 | Check for and use __builtin_bswap{16,32,64} check-in: 2729104cf6 user: js tags: trunk | |
| 01:42 | atomic.h: Prefer GCC builtins over ASM check-in: a199313c53 user: js tags: trunk | |
Changes
Modified configure.ac from [7027d6b582] to [7cdaa767b1].
| ︙ | ︙ | |||
790 791 792 793 794 795 796 797 798 799 800 801 802 803 | AC_CHECK_FUNCS([h_errno hstrerror]) ]) AS_IF([test x"$enable_sockets" != x"no" -a x"$enable_threads" != x"no"], [ AC_SUBST(OFHTTPCLIENTTESTS_M, "OFHTTPClientTests.m") ]) case "$host" in arm-apple-darwin*) have_processes="no" ;; *-*-mingw*) have_processes="yes" | > > > > > > > > > > > > > > > > > > > > > > | 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 |
AC_CHECK_FUNCS([h_errno hstrerror])
])
AS_IF([test x"$enable_sockets" != x"no" -a x"$enable_threads" != x"no"], [
AC_SUBST(OFHTTPCLIENTTESTS_M, "OFHTTPClientTests.m")
])
AC_DEFUN([CHECK_BUILTIN_BSWAP], [
AC_MSG_CHECKING(for __builtin_bswap$1)
AC_TRY_LINK([
#include <stdint.h>
#include <stdio.h>
#include <inttypes.h>
#include <errno.h>
], [
uint$1_t i = errno;
printf("%" PRIu$1, __builtin_bswap$1(i));
], [
AC_MSG_RESULT(yes)
AC_DEFINE(OF_HAVE_BUILTIN_BSWAP$1, 1,
[Whether we have __builtin_bswap$1])
], [
AC_MSG_RESULT(no)
])
])
CHECK_BUILTIN_BSWAP(16)
CHECK_BUILTIN_BSWAP(32)
CHECK_BUILTIN_BSWAP(64)
case "$host" in
arm-apple-darwin*)
have_processes="no"
;;
*-*-mingw*)
have_processes="yes"
|
| ︙ | ︙ |
Modified src/macros.h from [9ad949e286] to [8621e81b30].
| ︙ | ︙ | |||
195 196 197 198 199 200 201 |
(i & UINT64_C(0x000000000000FF00)) << 40 |
(i & UINT64_C(0x00000000000000FF)) << 56;
}
static OF_INLINE uint16_t OF_CONST_FUNC
OF_BSWAP16_NONCONST(uint16_t i)
{
| > > | | 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 |
(i & UINT64_C(0x000000000000FF00)) << 40 |
(i & UINT64_C(0x00000000000000FF)) << 56;
}
static OF_INLINE uint16_t OF_CONST_FUNC
OF_BSWAP16_NONCONST(uint16_t i)
{
#if defined(OF_HAVE_BUILTIN_BSWAP16)
return __builtin_bswap16(i);
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
__asm__ (
"xchgb %h0, %b0"
: "=Q"(i)
: "0"(i)
);
#elif defined(OF_PPC_ASM)
__asm__ (
|
| ︙ | ︙ | |||
223 224 225 226 227 228 229 |
#endif
return i;
}
static OF_INLINE uint32_t OF_CONST_FUNC
OF_BSWAP32_NONCONST(uint32_t i)
{
| > > | | 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 |
#endif
return i;
}
static OF_INLINE uint32_t OF_CONST_FUNC
OF_BSWAP32_NONCONST(uint32_t i)
{
#if defined(OF_HAVE_BUILTIN_BSWAP32)
return __builtin_bswap32(i);
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
__asm__ (
"bswap %0"
: "=q"(i)
: "0"(i)
);
#elif defined(OF_PPC_ASM)
__asm__ (
|
| ︙ | ︙ | |||
253 254 255 256 257 258 259 |
#endif
return i;
}
static OF_INLINE uint64_t OF_CONST_FUNC
OF_BSWAP64_NONCONST(uint64_t i)
{
| > > | | 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 |
#endif
return i;
}
static OF_INLINE uint64_t OF_CONST_FUNC
OF_BSWAP64_NONCONST(uint64_t i)
{
#if defined(OF_HAVE_BUILTIN_BSWAP64)
return __builtin_bswap64(i);
#elif defined(OF_X86_64_ASM)
__asm__ (
"bswap %0"
: "=r"(i)
: "0"(i)
);
#elif defined(OF_X86_ASM)
__asm__ (
|
| ︙ | ︙ |
Modified src/objfw-defs.h.in from [ff70a225ad] to [b64e054749].
1 2 3 4 5 6 7 8 9 10 11 12 | #undef OF_APPLE_RUNTIME #undef OF_BIG_ENDIAN #undef OF_FLOAT_BIG_ENDIAN #undef OF_HAVE_ASPRINTF #undef OF_HAVE_ATOMIC_OPS #undef OF_HAVE_CHMOD #undef OF_HAVE_CHOWN #undef OF_HAVE_COMPILER_TLS #undef OF_HAVE_FILES #undef OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR #undef OF_HAVE_GCC_ATOMIC_OPS #undef OF_HAVE_LINK | > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | #undef OF_APPLE_RUNTIME #undef OF_BIG_ENDIAN #undef OF_FLOAT_BIG_ENDIAN #undef OF_HAVE_ASPRINTF #undef OF_HAVE_ATOMIC_OPS #undef OF_HAVE_BUILTIN_BSWAP16 #undef OF_HAVE_BUILTIN_BSWAP32 #undef OF_HAVE_BUILTIN_BSWAP64 #undef OF_HAVE_CHMOD #undef OF_HAVE_CHOWN #undef OF_HAVE_COMPILER_TLS #undef OF_HAVE_FILES #undef OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR #undef OF_HAVE_GCC_ATOMIC_OPS #undef OF_HAVE_LINK |
| ︙ | ︙ |