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Fix incorrect description of USE_SLICING_BY_8_CRC32C.

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And a typo in the description of USE_SSE42_CRC32C_WITH_RUNTIME_CHECK,
spotted by Daniel Gustafsson.
This commit is contained in:
Heikki Linnakangas 2018-04-04 11:20:53 +03:00
parent efa04da657
commit 127f489c2c
2 changed files with 4 additions and 4 deletions
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4
configure.in
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@ -1918,11 +1918,11 @@ if test x"$USE_SSE42_CRC32C" = x"1"; then
AC_MSG_RESULT(SSE 4.2)
else
if test x"$USE_SSE42_CRC32C_WITH_RUNTIME_CHECK" = x"1"; then
AC_DEFINE(USE_SSE42_CRC32C_WITH_RUNTIME_CHECK, 1, [Define to 1 to use Intel SSSE 4.2 CRC instructions with a runtime check.])
AC_DEFINE(USE_SSE42_CRC32C_WITH_RUNTIME_CHECK, 1, [Define to 1 to use Intel SSE 4.2 CRC instructions with a runtime check.])
PG_CRC32C_OBJS="pg_crc32c_sse42.o pg_crc32c_sb8.o pg_crc32c_choose.o"
AC_MSG_RESULT(SSE 4.2 with runtime check)
else
AC_DEFINE(USE_SLICING_BY_8_CRC32C, 1, [Define to 1 to use Intel SSE 4.2 CRC instructions with a runtime check.])
AC_DEFINE(USE_SLICING_BY_8_CRC32C, 1, [Define to 1 to use software CRC-32C implementation (slicing-by-8).])
PG_CRC32C_OBJS="pg_crc32c_sb8.o"
AC_MSG_RESULT(slicing-by-8)
fi

4
src/include/pg_config.h.in
View File

@ -847,13 +847,13 @@
/* Use replacement snprintf() functions. */
#undef USE_REPL_SNPRINTF
/* Define to 1 to use Intel SSE 4.2 CRC instructions with a runtime check. */
/* Define to 1 to use software CRC-32C implementation (slicing-by-8). */
#undef USE_SLICING_BY_8_CRC32C
/* Define to 1 use Intel SSE 4.2 CRC instructions. */
#undef USE_SSE42_CRC32C
/* Define to 1 to use Intel SSSE 4.2 CRC instructions with a runtime check. */
/* Define to 1 to use Intel SSE 4.2 CRC instructions with a runtime check. */
#undef USE_SSE42_CRC32C_WITH_RUNTIME_CHECK
/* Define to select SysV-style semaphores. */